/* ============================================================
       CUSTOM FONT — Sukajan Brush (local)
    ============================================================ */
        @font-face {
            font-family: 'Sukajan Brush';
            src: url('../fonts/sukajan-brush-demo.regular.otf') format('opentype');
            font-weight: normal;
            font-style: normal;
            font-display: swap;
        }

        /* ============================================================
       DESIGN TOKENS & SYSTEM
    ============================================================ */
        :root {
            /* Theme independent variables */
            --red-seal: #c0392b;
            --red-light: #e74c3c;
            --red-dark: #922b21;
            --gold-subtle: #c9a84c;

            --font-callig: 'Sukajan Brush', 'Shojumaru', 'Zen Antique', serif;
            --font-title: 'Cormorant Garamond', 'Noto Serif JP', serif;
            --font-body: 'Inter', sans-serif;
            --font-jp: 'Noto Serif JP', serif;

            --ease-silk: cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --ease-water: cubic-bezier(0.4, 0, 0.2, 1);

            /* Light Theme Variables (Default) */
            --bg-color: #fdfcf9;
            --bg-alt: #f5f2ec;
            --bg-color-rgb: 253, 252, 249;
            --bg-alt-rgb: 245, 242, 236;
            --bg-opacity: 0.75;
            --bg-color-trans: rgba(var(--bg-color-rgb), var(--bg-opacity));
            --bg-alt-trans: rgba(var(--bg-alt-rgb), var(--bg-opacity));
            --bg-card: #ffffff;
            --border-color: rgba(0, 0, 0, 0.08);
            --border-subtle: rgba(0, 0, 0, 0.04);

            --text-main: #141414;
            --text-main-rgb: 20, 20, 20;
            --text-muted: #4a4a4a;
            --text-ash: #7a7a7a;
            --text-white: #f5f2ec;

            --logo-filter: none;
            --logo-blend: multiply;
            --fish-bg-opacity: 0.12;

            --enso-color: #000000;
            --enso-opacity: 0.05;

            --radial-1: rgba(0, 0, 0, 0.03);
            --radial-2: rgba(192, 57, 43, 0.01);
            --nav-bg: rgba(253, 252, 249, 0.92);

            --cursor-blend: normal;
        }

        body.dark-mode {
            /* Dark Theme Variables */
            --bg-color: #0d0d0d;
            --bg-alt: #141414;
            --bg-color-rgb: 13, 13, 13;
            --bg-alt-rgb: 20, 20, 20;
            --bg-color-trans: rgba(var(--bg-color-rgb), var(--bg-opacity));
            --bg-alt-trans: rgba(var(--bg-alt-rgb), var(--bg-opacity));
            --bg-card: #1a1a1a;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-subtle: rgba(255, 255, 255, 0.05);

            --text-main: #e8e4dc;
            --text-main-rgb: 232, 228, 220;
            --text-muted: #b0b0b0;
            --text-ash: #7a7a7a;
            --text-white: #f5f2ec;

            --logo-filter: invert(1) hue-rotate(180deg);
            --logo-blend: screen;
            --fish-bg-opacity: 0.06;

            --enso-color: #ffffff;
            --enso-opacity: 0.04;

            --radial-1: rgba(26, 26, 26, 0.9);
            --radial-2: rgba(20, 10, 10, 0.6);
            --nav-bg: rgba(13, 13, 13, 0.92);

            --cursor-blend: screen;
        }

        /* ============================================================
       RESET & BASE
    ============================================================ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            scroll-padding-top: 90px;
        }

        body {
            background-color: var(--bg-color);
            color: var(--text-main);
            font-family: var(--font-body);
            font-weight: 300;
            line-height: 1.7;
            overflow-x: hidden;
            transition: background-color 0.4s var(--ease-silk), color 0.4s var(--ease-silk);
        }

        ::selection {
            background: var(--red-seal);
            color: var(--text-white);
        }

        /* ============================================================
       SCROLLBAR
    ============================================================ */
        ::-webkit-scrollbar {
            width: 4px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-color);
        }

        ::-webkit-scrollbar-thumb {
            background: var(--text-ash);
            border-radius: 2px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--red-seal);
        }

        /* ============================================================
       ANIMATED BACKGROUND
    ============================================================ */
        .bg-canvas {
            position: fixed;
            inset: 0;
            z-index: 0;
            pointer-events: none;
            overflow: hidden;
        }

        .bg-canvas::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                radial-gradient(ellipse 80% 50% at 20% 30%, var(--radial-1) 0%, transparent 70%),
                radial-gradient(ellipse 60% 80% at 80% 70%, var(--radial-2) 0%, transparent 60%),
                radial-gradient(ellipse 100% 100% at 50% 50%, var(--bg-color) 40%, transparent 100%);
            animation: inkWash 15s ease-in-out infinite alternate;
            transition: background 0.4s var(--ease-silk);
        }

        .bg-canvas::after {
            content: '';
            position: absolute;
            width: 600px;
            height: 600px;
            top: -100px;
            right: -100px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(192, 57, 43, 0.04) 0%, transparent 70%);
            animation: floatOrb 20s ease-in-out infinite;
        }

        @keyframes inkWash {
            0% {
                opacity: 0.8;
            }

            100% {
                opacity: 1;
            }
        }

        @keyframes floatOrb {

            0%,
            100% {
                transform: translate(0, 0) scale(1);
            }

            33% {
                transform: translate(-50px, 80px) scale(1.1);
            }

            66% {
                transform: translate(40px, -60px) scale(0.95);
            }
        }

        /* ============================================================
       TEXTURE OVERLAY
    ============================================================ */
        .texture-overlay {
            position: fixed;
            inset: 0;
            z-index: 0;
            pointer-events: none;
            background-image:
                url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='400' height='400' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
            opacity: 0.4;
        }

        /* ============================================================
       LAYOUT WRAPPER
    ============================================================ */
        .site-wrapper {
            position: relative;
            z-index: 1;
        }

        /* ============================================================
       NAVIGATION
    ============================================================ */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 1.5rem 3rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: background 0.5s var(--ease-silk), backdrop-filter 0.5s, border-color 0.4s;
        }

        nav.scrolled {
            background: var(--nav-bg);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
        }

        nav.open-active {
            background: transparent !important;
            backdrop-filter: none !important;
            border-bottom: 1px solid transparent !important;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
            z-index: 101;
            position: relative;
        }

        .nav-logo img {
            width: 44px;
            height: 44px;
            object-fit: contain;
            filter: var(--logo-filter);
            mix-blend-mode: var(--logo-blend);
            transition: filter 0.4s, transform 0.3s;
        }

        .nav-logo:hover img {
            transform: scale(1.05);
        }

        .nav-brand {
            display: flex;
            flex-direction: column;
            line-height: 1;
        }

        .nav-brand-name {
            font-family: var(--font-callig);
            font-size: 1.3rem;
            color: var(--text-main);
            letter-spacing: 0.12em;
            transition: color 0.4s;
        }

        .nav-brand-sub {
            font-family: var(--font-body);
            font-size: 0.55rem;
            font-weight: 300;
            letter-spacing: 0.45em;
            color: var(--text-ash);
            text-transform: uppercase;
            margin-top: 2px;
            transition: color 0.4s;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2.5rem;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            font-family: var(--font-body);
            font-size: 0.7rem;
            font-weight: 400;
            letter-spacing: 0.3em;
            text-transform: uppercase;
            color: var(--text-muted);
            transition: color 0.3s var(--ease-silk);
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--red-seal);
            transition: width 0.3s var(--ease-silk);
        }

        .nav-links a:hover {
            color: var(--text-main);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-cta {
            background: transparent;
            border: 1px solid rgba(192, 57, 43, 0.5);
            color: var(--text-main) !important;
            padding: 0.5rem 1.2rem;
            border-radius: 2px;
            transition: background 0.3s, border-color 0.3s !important;
        }

        .nav-cta::after {
            display: none !important;
        }

        .nav-cta:hover {
            background: var(--red-seal) !important;
            border-color: var(--red-seal) !important;
            color: var(--text-white) !important;
        }

        /* Theme toggle button styling */
        .theme-toggle-btn {
            background: none;
            border: none;
            color: var(--text-muted);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: color 0.3s, transform 0.4s var(--ease-silk);
        }

        .theme-toggle-btn:hover {
            color: var(--red-seal);
            transform: rotate(180deg);
        }

        .nav-actions-mobile {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .desktop-only {
            display: block;
        }

        #theme-toggle-mobile {
            display: none;
        }

        /* Mobile centered yin-yang toggle inside the open fullscreen menu */
        .mobile-toggle-center {
            display: none;
            width: 100%;
            justify-content: center;
            align-items: center;
            margin-top: 1rem;
        }

        .mobile-toggle-center .theme-toggle-btn {
            font-size: 2.2rem;
            padding: 0.8rem 1.2rem;
            border: 1px solid var(--border-color);
            border-radius: 50%;
            width: 64px;
            height: 64px;
            transition: color 0.3s, transform 0.6s var(--ease-silk), border-color 0.3s;
        }

        .mobile-toggle-center .theme-toggle-btn:hover {
            color: var(--red-seal);
            border-color: var(--red-seal);
            transform: rotate(360deg);
        }

        /* ============================================================
       HERO SECTION
    ============================================================ */
        .hero {
            /* Exact viewport fill — 100dvh accounts for mobile browser chrome */
            height: 100vh;
            height: 100dvh;
            min-height: 0;
            box-sizing: border-box;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            align-items: center;
            /* flex-start so margin-top:auto on .hero-bottom pushes it down */
            justify-content: flex-start;
            text-align: center;
            /* Clamp padding: top leaves room for fixed nav, bottom shrinks on small screens */
            padding: clamp(4rem, 6vh, 6rem) clamp(1rem, 4vw, 2rem) clamp(1rem, 3vh, 2rem);
            position: relative;
        }

        /* Hero content (logo → title → desc) stays in the center zone */
        .hero-center {
            display: flex;
            flex-direction: column;
            align-items: center;
            flex: 1;
            justify-content: center;
        }

        /* Buttons + Explorar anchored to the bottom */
        .hero-bottom {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0;
            margin-top: auto;
            padding-top: 0.8rem;
            width: 100%;
        }

        .hero-moon {
            position: absolute;
            width: 280px;
            height: 280px;
            border-radius: 53% 47% 51% 49% / 49% 52% 48% 52%;
            /* Organic full moon wabi-sabi shape — positioned by JS scroll magic */
            top: 0;
            left: 0;
            transform: translate(-50%, -50%) rotate(-5deg) scale(1);
            will-change: transform, opacity, filter;
            overflow: hidden;
            /* Clips the lunar phase shadow */
            background:
                /* Lunar seas / craters */
                radial-gradient(circle at 65% 30%, rgba(0, 0, 0, 0.05) 0%, transparent 22%),
                radial-gradient(circle at 35% 65%, rgba(0, 0, 0, 0.04) 0%, transparent 18%),
                radial-gradient(circle at 45% 42%, rgba(0, 0, 0, 0.035) 0%, transparent 30%),
                radial-gradient(circle at 75% 70%, rgba(0, 0, 0, 0.045) 0%, transparent 15%),
                /* Sphere shadow / Paper base */
                radial-gradient(circle at 30% 30%, var(--bg-card) 0%, var(--bg-alt) 65%, var(--border-color) 100%);
            box-shadow:
                inset 10px -10px 40px rgba(0, 0, 0, 0.03),
                0 0 50px rgba(0, 0, 0, 0.01);
            opacity: 0.88;
            pointer-events: none;
            z-index: 1;
            filter: blur(1.5px);
            /* JS controls transform & opacity — only background/shadow transition via CSS */
            transition: background 0.4s var(--ease-silk), box-shadow 0.4s;
        }

        /* Lunar phase shadow overlay */
        .hero-moon::after {
            content: '';
            position: absolute;
            inset: -2px;
            border-radius: inherit;
            background: rgba(253, 252, 249, 0.88);
            /* cream shadow matching paper background */
            mix-blend-mode: multiply;
            transition: background 0.4s var(--ease-silk);
            transform: translateX(var(--moon-shadow-x, 100%));
            pointer-events: none;
            z-index: 2;
        }

        body.dark-mode .hero-moon {
            background:
                /* Dark maria on glowing base */
                radial-gradient(circle at 65% 30%, rgba(0, 0, 0, 0.25) 0%, transparent 25%),
                radial-gradient(circle at 35% 65%, rgba(0, 0, 0, 0.2) 0%, transparent 20%),
                radial-gradient(circle at 45% 42%, rgba(0, 0, 0, 0.18) 0%, transparent 32%),
                radial-gradient(circle at 75% 70%, rgba(0, 0, 0, 0.2) 0%, transparent 16%),
                /* Glowing sphere gradient */
                radial-gradient(circle at 30% 30%, rgba(245, 242, 236, 0.12) 0%, rgba(180, 175, 165, 0.06) 65%, rgba(13, 13, 13, 0.9) 100%),
                #1c1b18;
            box-shadow:
                inset 15px -15px 45px rgba(0, 0, 0, 0.85),
                0 0 80px rgba(255, 255, 255, 0.03);
            opacity: 0.85;
            filter: blur(1.5px) drop-shadow(0 0 20px rgba(255, 255, 255, 0.03));
        }

        body.dark-mode .hero-moon::after {
            background: rgba(13, 13, 13, 0.85);
            /* dark shadow matching deep dark theme */
            mix-blend-mode: normal;
        }

        /* ============================================================
           MOON WRAPPER — Fixed layer, scroll-animated by JS
        ============================================================ */
        .moon-wrapper {
            position: fixed;
            top: 0;
            left: 0;
            width: 0;
            height: 0;
            z-index: 1;
            pointer-events: none;
            overflow: visible;
        }

        /* Pulsing concentric halo rings */
        .moon-halo {
            position: absolute;
            top: 0;
            left: 0;
            border-radius: 50%;
            border: 1px solid rgba(192, 57, 43, 0.22);
            transform: translate(-50%, -50%);
            pointer-events: none;
            animation: haloExpand 3.6s ease-out infinite;
            opacity: 0;
        }

        .moon-halo:nth-child(1) {
            width: 320px;
            height: 320px;
            animation-delay: 0s;
        }

        .moon-halo:nth-child(2) {
            width: 435px;
            height: 435px;
            animation-delay: 1.2s;
            border-color: rgba(192, 57, 43, 0.13);
        }

        .moon-halo:nth-child(3) {
            width: 565px;
            height: 565px;
            animation-delay: 2.4s;
            border-color: rgba(192, 57, 43, 0.06);
        }

        body.dark-mode .moon-halo {
            border-color: rgba(255, 255, 255, 0.08);
        }

        body.dark-mode .moon-halo:nth-child(2) {
            border-color: rgba(255, 255, 255, 0.04);
        }

        body.dark-mode .moon-halo:nth-child(3) {
            border-color: rgba(255, 255, 255, 0.02);
        }

        @keyframes haloExpand {
            0% {
                transform: translate(calc(-50% + var(--halo-x, 0px)), calc(-50% + var(--halo-y, 0px))) scale(0.82);
                opacity: 0.9;
            }

            100% {
                transform: translate(calc(-50% + var(--halo-x, 0px)), calc(-50% + var(--halo-y, 0px))) scale(1.45);
                opacity: 0;
            }
        }

        /* Comet / stela — JS drives opacity & rotation */
        .moon-comet {
            position: absolute;
            top: 0;
            left: 0;
            width: 200px;
            height: 2px;
            transform-origin: 0% 50%;
            background: linear-gradient(to right, rgba(192, 57, 43, 0.7), rgba(192, 57, 43, 0.12), transparent);
            opacity: 0;
            pointer-events: none;
            filter: blur(1.5px);
            border-radius: 2px;
        }

        body.dark-mode .moon-comet {
            background: linear-gradient(to right, rgba(245, 242, 236, 0.55), rgba(245, 242, 236, 0.08), transparent);
        }

        /* Orbiting dust particles — JS drives transform & opacity */
        .moon-particle {
            position: absolute;
            top: 0;
            left: 0;
            border-radius: 50%;
            pointer-events: none;
            background: rgba(192, 57, 43, 0.45);
            will-change: transform, opacity;
        }

        body.dark-mode .moon-particle {
            background: rgba(245, 242, 236, 0.38);
        }

        .hero-logo {
            /* Scales down smoothly on smaller screens */
            width: clamp(140px, 20vh, 240px);
            height: clamp(140px, 20vh, 240px);
            object-fit: contain;
            filter: var(--logo-filter);
            mix-blend-mode: var(--logo-blend);
            animation: logoReveal 1.5s var(--ease-silk) forwards;
            opacity: 0;
            margin-bottom: clamp(0.5rem, 2vh, 1.2rem);
            position: relative;
            z-index: 2;
            transition: filter 0.4s;
        }

        @keyframes logoReveal {
            from {
                opacity: 0;
                transform: translateY(30px) scale(0.95);
            }

            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        .hero-brand-tag {
            font-family: var(--font-callig);
            font-size: clamp(1.4rem, 3vw, 2.2rem);
            font-weight: 400;
            letter-spacing: 0.1em;
            color: var(--text-main);
            /* Black / theme-dependent default text color */
            margin-top: 0.8rem;
            margin-bottom: 0.4rem;
            animation: fadeUp 1s var(--ease-silk) 0.4s forwards;
            opacity: 0;
            position: relative;
            z-index: 2;
            text-align: center;
            display: inline-block;
        }

        .hero-main-title {
            font-family: 'Sukajan Brush', var(--font-callig), 'Zen Antique', serif;
            font-size: clamp(1.8rem, 4.5vw, 3.4rem);
            font-weight: 400;
            font-style: normal;
            color: var(--red-seal);
            /* Red */
            line-height: 1.25;
            letter-spacing: -0.01em;
            animation: fadeUp 1s var(--ease-silk) 0.6s forwards;
            opacity: 0;
            position: relative;
            z-index: 2;
            margin-bottom: 0.8rem;
            text-align: center;
            transition: color 0.4s;
            display: inline-block;
            padding: 0 4.5rem;
        }

        .hero-main-title::before,
        .hero-main-title::after {
            content: '';
            position: absolute;
            top: 50%;
            width: 3rem;
            height: 2px;
            background-color: var(--red-seal);
            transform: translateY(-50%);
        }

        .hero-main-title::before {
            left: 0;
        }

        .hero-main-title::after {
            right: 0;
        }

        .brush-accent {
            position: relative;
            display: inline-block;
            white-space: nowrap;
        }

        .brush-accent::after {
            content: '';
            position: absolute;
            left: -5%;
            bottom: -6px;
            width: 110%;
            height: 12px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 500 20' preserveAspectRatio='none'%3E%3Cpath d='M5%2C12 C120%2C2 280%2C1 490%2C10 C380%2C15 150%2C16 10%2C12' fill='none' stroke='%23c0392b' stroke-width='6' stroke-linecap='round' opacity='0.85'/%3E%3C/svg%3E");
            background-size: 100% 100%;
            background-repeat: no-repeat;
            z-index: -1;
            transform: scaleX(0);
            transform-origin: left;
            animation: drawBrush 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.1s forwards;
        }

        @keyframes drawBrush {
            to {
                transform: scaleX(1);
            }
        }

        @media (max-width: 768px) {
            .hero-main-title {
                font-size: 2.2rem;
                padding: 0 2.2rem;
            }

            .hero-main-title::before,
            .hero-main-title::after {
                width: 1.2rem;
            }
        }

        .hero-desc {
            max-width: 600px;
            font-family: 'Cormorant Garamond', 'Noto Serif JP', serif;
            font-size: clamp(1.2rem, 2.5vw, 1.55rem);
            font-style: italic;
            font-weight: 300;
            color: var(--text-muted);
            line-height: 1.6;
            animation: fadeUp 1s var(--ease-silk) 0.8s forwards;
            opacity: 0;
            position: relative;
            z-index: 2;
            margin-top: 1rem;
            margin-bottom: 0.5rem;
            transition: color 0.4s;
            text-align: center;
        }

        .hero-seal-stamp {
            font-family: var(--font-jp);
            font-size: 1rem;
            color: var(--red-seal);
            border: 1px solid var(--red-seal);
            padding: 0.25rem 0.5rem;
            line-height: 1.3;
            letter-spacing: 0.05em;
            text-align: center;
            display: inline-block;
            margin-top: 0.75rem;
            margin-bottom: clamp(0.5rem, 2vh, 1rem);
            animation: fadeUp 1s var(--ease-silk) 0.9s forwards;
            opacity: 0;
            position: relative;
            z-index: 2;
        }

        .hero-actions {
            display: flex;
            gap: 1.2rem;
            animation: fadeUp 1s var(--ease-silk) 1.3s forwards;
            opacity: 0;
            position: relative;
            z-index: 2;
        }

        .btn-primary {
            display: inline-block;
            padding: 0.9rem 2.4rem;
            background: var(--red-seal);
            color: var(--text-white);
            text-decoration: none;
            font-family: var(--font-body);
            font-size: 0.65rem;
            letter-spacing: 0.4em;
            text-transform: uppercase;
            border: 1px solid var(--red-seal);
            transition: background 0.3s, color 0.3s, transform 0.3s;
        }

        .btn-primary:hover {
            background: transparent;
            color: var(--red-light);
            transform: translateY(-2px);
        }

        .btn-secondary {
            display: inline-block;
            padding: 0.9rem 2.4rem;
            background: transparent;
            color: var(--text-muted);
            text-decoration: none;
            font-family: var(--font-body);
            font-size: 0.65rem;
            letter-spacing: 0.4em;
            text-transform: uppercase;
            border: 1px solid var(--border-color);
            transition: border-color 0.3s, color 0.3s, transform 0.3s;
        }

        .btn-secondary:hover {
            border-color: var(--text-main);
            color: var(--text-main);
            transform: translateY(-2px);
        }

        .hero-scroll {
            margin-top: clamp(1rem, 2vh, 2rem);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.4rem;
            animation: fadeUp 1s var(--ease-silk) 1.8s forwards;
            opacity: 0;
            z-index: 2;
        }

        .hero-scroll span {
            font-size: 0.55rem;
            letter-spacing: 0.4em;
            text-transform: uppercase;
            color: var(--text-ash);
            transition: color 0.4s;
        }

        .scroll-line {
            width: 1px;
            height: 50px;
            background: linear-gradient(to bottom, var(--text-ash), transparent);
            animation: scrollPulse 2s ease-in-out infinite;
            transition: background 0.4s;
        }

        @keyframes scrollPulse {

            0%,
            100% {
                opacity: 0.3;
                transform: scaleY(1);
            }

            50% {
                opacity: 1;
                transform: scaleY(1.2);
            }
        }

        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ============================================================
       SECTION COMMON
    ============================================================ */
        section {
            padding: 7rem 2rem;
            position: relative;
        }

        .container {
            max-width: 1100px;
            width: 100%;
            margin: 0 auto;
        }

        /* Fullscreen Layout for Selected Sections */
        .about,
        .philosophy,
        #proceso,
        .tech,
        .contact,
        .what-we-do,
        #landings-pricing {
            min-height: 100vh;
            min-height: 100dvh;
            display: flex;
            align-items: center;
            justify-content: center;
            box-sizing: border-box;
            padding: 6rem 2rem 4rem 2rem;
        }

        .section-label {
            font-family: var(--font-body);
            font-size: 0.6rem;
            letter-spacing: 0.6em;
            text-transform: uppercase;
            color: var(--red-seal);
            margin-bottom: 0.8rem;
            display: block;
        }

        .section-title {
            font-family: var(--font-callig);
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 400;
            color: var(--text-main);
            line-height: 1.1;
            margin-bottom: 1.5rem;
            transition: color 0.4s;
        }

        .section-body {
            font-family: var(--font-title);
            font-size: 1.05rem;
            font-style: italic;
            color: var(--text-muted);
            max-width: 560px;
            line-height: 1.9;
            transition: color 0.4s;
        }

        /* ============================================================
       DIVIDER
    ============================================================ */
        .ink-divider {
            width: 100%;
            height: 1px;
            background: linear-gradient(to right, transparent, var(--border-color), transparent);
            transition: background 0.4s;
        }

        .what-we-do {
            background: var(--bg-color-trans);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            position: relative;
            overflow: hidden;
            transition: background-color 0.4s, backdrop-filter 0.4s;
        }

        .what-we-do-enso {
            position: absolute;
            left: 2%;
            top: 5%;
            width: 380px;
            height: 380px;
            pointer-events: none;
            user-select: none;
            z-index: 1;
            transform: rotate(-15deg);
            opacity: 0.85;
            animation: ensoRotate 180s linear infinite;
        }

        .what-we-do-enso circle {
            stroke-dasharray: 252;
            stroke-dashoffset: 252;
            transition: stroke-dashoffset 2.5s var(--ease-silk);
        }

        .what-we-do-enso.visible circle {
            stroke-dashoffset: 25;
        }

        @keyframes ensoRotate {
            from {
                transform: rotate(0deg);
            }

            to {
                transform: rotate(360deg);
            }
        }



        .what-we-do-vertical-deco {
            position: absolute;
            right: 4%;
            top: 15%;
            writing-mode: vertical-rl;
            text-orientation: upright;
            font-family: var(--font-jp);
            font-size: 1.1rem;
            letter-spacing: 0.5em;
            color: var(--text-ash);
            opacity: 0.15;
            pointer-events: none;
            user-select: none;
            z-index: 2;
        }

        .what-we-do-intro {
            text-align: left;
            position: relative;
            z-index: 2;
        }

        .what-we-do-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2.5rem;
            width: 100%;
            position: relative;
            z-index: 2;
        }

        .what-we-do-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 2.2rem 2rem 1.8rem;
            border-radius: 6px;
            position: relative;
            overflow: hidden;
            transition: transform 0.5s var(--ease-silk), border-color 0.5s var(--ease-silk), box-shadow 0.5s var(--ease-silk), background-color 0.4s;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            height: 100%;
        }

        .what-we-do-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 0;
            background: var(--red-seal);
            transition: height 0.45s var(--ease-silk);
        }

        .what-we-do-card:hover::before {
            height: 100%;
        }

        .what-we-do-card:hover {
            transform: translateY(-8px);
            border-color: rgba(192, 57, 43, 0.45);
            box-shadow: 0 20px 45px rgba(192, 57, 43, 0.08), inset 0 0 20px rgba(192, 57, 43, 0.02);
            background: linear-gradient(135deg, var(--bg-card) 0%, rgba(var(--bg-alt-rgb), 0.35) 100%);
        }

        body.dark-mode .what-we-do-card {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }

        body.dark-mode .what-we-do-card:hover {
            box-shadow: 0 20px 45px rgba(192, 57, 43, 0.18), inset 0 0 25px rgba(192, 57, 43, 0.04);
            border-color: rgba(192, 57, 43, 0.6);
            background: linear-gradient(135deg, var(--bg-card) 0%, rgba(var(--bg-alt-rgb), 0.35) 100%);
        }

        .card-badge {
            font-family: var(--font-jp);
            font-size: 0.95rem;
            color: var(--red-seal);
            border: 2px solid var(--red-seal);
            border-radius: 4px;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 0.8rem;
            opacity: 0.85;
            font-weight: 600;
            position: relative;
            background: transparent;
            transition: all 0.4s var(--ease-silk);
        }

        .what-we-do-card:hover .card-badge {
            transform: rotate(8deg) scale(1.1);
            background: var(--red-seal);
            color: var(--bg-color);
            border-color: var(--red-seal);
            box-shadow: 0 0 12px rgba(192, 57, 43, 0.35);
        }

        .card-kanji {
            font-family: var(--font-jp);
            font-size: 8rem;
            color: var(--red-seal);
            opacity: 0.03;
            position: absolute;
            right: -0.5rem;
            bottom: -1rem;
            line-height: 1;
            pointer-events: none;
            user-select: none;
            transition: transform 0.6s var(--ease-silk), opacity 0.6s, color 0.4s;
            transform: rotate(-5deg);
        }

        body.dark-mode .card-kanji {
            opacity: 0.02;
            color: #ffffff;
        }

        .what-we-do-card:hover .card-kanji {
            transform: rotate(-15deg) scale(1.2);
            opacity: 0.09;
            color: var(--red-seal);
        }

        body.dark-mode .what-we-do-card:hover .card-kanji {
            opacity: 0.06;
            color: var(--red-light);
        }

        .card-title {
            font-family: var(--font-title);
            font-size: 1.55rem;
            font-weight: 400;
            color: var(--text-main);
            margin-bottom: 0.4rem;
            letter-spacing: -0.2px;
        }

        .card-subtitle {
            font-family: var(--font-title);
            font-size: 0.92rem;
            font-style: italic;
            color: var(--gold-subtle);
            margin-bottom: 0.8rem;
            display: block;
        }

        .card-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            font-weight: 300;
        }

        .card-features {
            margin-top: 0.8rem;
            margin-bottom: 1.2rem;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            width: 100%;
        }

        .card-feature-tag {
            font-family: var(--font-body);
            font-size: 0.7rem;
            background: var(--bg-alt);
            color: var(--text-muted);
            padding: 0.3rem 0.65rem;
            border-radius: 3px;
            border: 1px solid var(--border-color);
            transition: all 0.3s;
            font-weight: 400;
            letter-spacing: 0.2px;
        }

        .card-feature-tag:hover {
            border-color: var(--red-seal) !important;
            color: var(--red-seal) !important;
            background: rgba(192, 57, 43, 0.06) !important;
            transform: translateY(-2px);
        }

        .what-we-do-card:hover .card-feature-tag {
            border-color: rgba(192, 57, 43, 0.18);
            background: var(--bg-card);
        }

        .card-action {
            font-family: var(--font-body);
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-main);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            position: relative;
            transition: color 0.3s;
        }

        .card-action::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--red-seal);
            transition: width 0.3s ease;
        }

        .what-we-do-card:hover .card-action {
            color: var(--red-seal);
        }

        .what-we-do-card:hover .card-action::after {
            width: 100%;
        }

        .action-arrow {
            transition: transform 0.3s;
            display: inline-block;
        }

        .what-we-do-card:hover .action-arrow {
            transform: translateX(4px);
        }

        /* Contenedores de cuerpo en desktop para what-we-do */
        .what-we-do-card-header {
            width: 100%;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }

        .what-we-do-card-body {
            display: flex;
            flex-direction: column;
            flex: 1;
            width: 100%;
        }

        .what-we-do-card-body-inner {
            display: flex;
            flex-direction: column;
            flex: 1;
            width: 100%;
        }

        .what-we-do-accordion-toggle {
            display: none;
        }

        /* Responsive styling for what-we-do */
        @media (max-width: 991px) {
            .what-we-do-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }
        }

        @media (max-width: 768px) {
            .what-we-do {
                padding: 6rem 1.5rem;
            }

            .what-we-do-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }

            .what-we-do-card {
                padding: 2.2rem 2rem;
                display: block;
                height: auto;
            }

            .what-we-do-card-header {
                position: relative;
                cursor: pointer;
                padding-right: 2.5rem;
                user-select: none;
                display: block;
            }

            /* Chevron arrow accordion marker */
            .what-we-do-accordion-toggle {
                display: block;
                position: absolute;
                right: 0;
                top: 50%;
                transform: translateY(-50%) rotate(0deg);
                width: 18px;
                height: 18px;
                transition: transform 0.4s var(--ease-silk);
            }

            .what-we-do-accordion-toggle::before,
            .what-we-do-accordion-toggle::after {
                content: '';
                position: absolute;
                background: var(--text-ash);
                transition: background 0.3s;
            }

            .what-we-do-accordion-toggle::before {
                top: 8px;
                left: 2px;
                width: 8px;
                height: 1.5px;
                transform: rotate(45deg);
            }

            .what-we-do-accordion-toggle::after {
                top: 8px;
                right: 2px;
                width: 8px;
                height: 1.5px;
                transform: rotate(-45deg);
            }

            /* Collapsible Accordion Body */
            .what-we-do-card-body {
                display: grid;
                grid-template-rows: 0fr;
                transition: grid-template-rows 0.4s var(--ease-silk);
                overflow: hidden;
            }

            .what-we-do-card-body-inner {
                min-height: 0;
                padding-top: 0;
                transition: padding 0.4s var(--ease-silk);
            }

            /* EXPANDED STATES */
            .what-we-do-card.expanded {
                background: var(--bg-alt);
                padding-bottom: 2rem;
            }

            .what-we-do-card.expanded .what-we-do-card-body {
                grid-template-rows: 1fr;
            }

            .what-we-do-card.expanded .what-we-do-card-body-inner {
                padding-top: 1.5rem;
            }

            .what-we-do-card.expanded .what-we-do-accordion-toggle {
                transform: translateY(-50%) rotate(180deg);
            }

            .what-we-do-card.expanded .what-we-do-accordion-toggle::before,
            .what-we-do-card.expanded .what-we-do-accordion-toggle::after {
                background: var(--red-seal);
            }

            .card-badge {
                margin-bottom: 1rem;
            }

            .card-kanji {
                font-size: 5.5rem;
                right: 0.2rem;
                bottom: -0.5rem;
            }

            .what-we-do-vertical-deco {
                display: none;
            }
        }

        /* ============================================================
       ABOUT SECTION
    ============================================================ */
        .about {
            background: var(--bg-alt-trans);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 9rem 0;
            position: relative;
            overflow: hidden;
            transition: background-color 0.4s, backdrop-filter 0.4s;
        }

        .about::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 80% 50%, rgba(192, 57, 43, 0.015) 0%, transparent 60%);
            pointer-events: none;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 6rem;
            align-items: center;
        }

        .about-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem 0;
        }

        .about-fish-bg {
            width: 420px;
            height: 420px;
            object-fit: contain;
            filter: var(--logo-filter);
            mix-blend-mode: var(--logo-blend);
            opacity: var(--fish-bg-opacity);
            position: absolute;
            animation: slowSpin 80s linear infinite;
            transition: filter 0.4s, opacity 0.4s;
            pointer-events: none;
        }

        @keyframes slowSpin {
            0% {
                transform: rotate(0deg);
            }

            100% {
                transform: rotate(360deg);
            }
        }

        .about-stats {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
            width: 100%;
            max-width: 320px;
            z-index: 2;
        }

        .stat-item {
            border-left: 3px solid var(--red-seal);
            padding: 1.2rem 2rem;
            background: rgba(255, 255, 255, 0.45);
            border: 1px solid rgba(0, 0, 0, 0.03);
            border-radius: 0 8px 8px 0;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.01);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition:
                transform 0.4s var(--ease-silk),
                border-left-color 0.4s var(--ease-silk),
                border-left-width 0.3s var(--ease-silk),
                background-color 0.4s,
                box-shadow 0.4s;
        }

        .stat-item:hover {
            transform: translateX(10px) translateY(-2px);
            border-left-color: var(--gold-subtle);
            border-left-width: 5px;
            background: rgba(255, 255, 255, 0.85);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
        }

        body.dark-mode .stat-item {
            background: rgba(26, 26, 26, 0.45);
            border-color: rgba(255, 255, 255, 0.03);
            border-left-color: var(--red-seal);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }

        body.dark-mode .stat-item:hover {
            background: rgba(40, 40, 40, 0.7);
            border-color: rgba(255, 255, 255, 0.06);
            border-left-color: var(--gold-subtle);
            box-shadow: 0 10px 35px rgba(0, 0, 0, 0.25);
        }

        .stat-number {
            font-family: var(--font-title);
            font-size: 3.4rem;
            color: var(--red-seal);
            line-height: 1;
            font-weight: 600;
            transition: color 0.4s var(--ease-silk), transform 0.3s var(--ease-silk);
            display: inline-block;
        }

        .stat-item:hover .stat-number {
            color: var(--gold-subtle);
            transform: scale(1.03);
        }

        .stat-label {
            font-size: 0.68rem;
            letter-spacing: 0.25em;
            text-transform: uppercase;
            color: var(--text-ash);
            margin-top: 0.3rem;
            transition: color 0.4s var(--ease-silk);
        }

        .stat-item:hover .stat-label {
            color: var(--text-main);
        }

        /* ============================================================
       SERVICES / PRODUCTS SECTION
    ============================================================ */
        .products-intro {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            margin-bottom: 4rem;
            gap: 2rem;
            flex-wrap: wrap;
        }

        .products-intro-left {
            flex: 1;
            min-width: 260px;
        }

        .products-intro-right {
            font-family: var(--font-title);
            font-style: italic;
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 320px;
            line-height: 1.8;
            text-align: right;
            transition: color 0.4s;
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5px;
            background: var(--border-color);
            transition: background-color 0.4s;
        }

        .landings-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5px;
            background: var(--border-color);
            transition: background-color 0.4s;
        }

        #landings-pricing {
            background: var(--bg-alt-trans);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: background-color 0.4s, backdrop-filter 0.4s;
        }

        #landings-pricing .products-intro {
            margin-bottom: 2rem;
        }

        #landings-pricing .product-card-body-inner ul {
            margin-bottom: 1.2rem !important;
            gap: 0.35rem !important;
        }

        .product-card {
            background: var(--bg-color);
            padding: 2.2rem 2rem;
            position: relative;
            overflow: hidden;
            cursor: default;
            transition: background 0.45s var(--ease-silk);
            display: flex;
            flex-direction: column;
            gap: 0;
            min-height: 340px;
        }

        /* Animated left accent line */
        .product-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 0;
            background: var(--product-accent, var(--red-seal));
            transition: height 0.55s var(--ease-silk);
        }

        .product-card:hover::before {
            height: 100%;
        }

        /* Kanji watermark background */
        .product-card::after {
            content: attr(data-kanji);
            position: absolute;
            right: -0.1em;
            bottom: -0.15em;
            font-family: var(--font-jp);
            font-size: 9rem;
            line-height: 1;
            color: var(--product-accent, var(--red-seal));
            opacity: 0.04;
            pointer-events: none;
            transition: opacity 0.4s, transform 0.55s var(--ease-silk);
            transform: rotate(-8deg);
        }

        .product-card:hover::after {
            opacity: 0.08;
            transform: rotate(-5deg) scale(1.06);
        }

        .product-card[data-product="takumi"]::after,
        .product-card[data-product="koro"]::after,
        .product-card[data-product="mise"]::after,
        .product-card[data-product="kin"]::after {
            content: "";
            background-image: var(--product-vector);
            background-size: contain;
            background-repeat: no-repeat;
            background-position: right bottom;
            width: 8.5rem;
            height: 8.5rem;
            right: -0.5rem;
            bottom: -0.5rem;
            opacity: 0.04;
            filter: var(--logo-filter);
        }

        .product-card:hover {
            background: var(--bg-alt);
        }

        .product-header {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            margin-bottom: 1.8rem;
        }

        .product-kanji {
            font-family: var(--font-jp);
            font-size: 2.8rem;
            line-height: 1;
            color: var(--product-accent, var(--red-seal));
            opacity: 0.75;
            transition: opacity 0.3s;
        }

        .product-card:hover .product-kanji {
            opacity: 1;
        }

        .product-logo {
            height: 2.8rem;
            width: auto;
            max-width: 140px;
            object-fit: contain;
            opacity: 0.85;
            transition: opacity 0.3s, transform 0.3s;
            filter: var(--logo-filter);
        }

        .product-card:hover .product-logo {
            opacity: 1;
            transform: scale(1.03);
        }

        .product-card[data-product="takumi"] .product-logo {
            height: 2.8rem;
        }

        .product-card[data-product="koro"] .product-logo {
            height: 3.1rem;
        }

        .product-card[data-product="mise"] .product-logo {
            height: 3.0rem;
        }

        .product-card[data-product="kin"] .product-logo {
            height: 3.6rem;
        }

        .product-badge {
            font-family: var(--font-body);
            font-size: 0.55rem;
            letter-spacing: 0.3em;
            text-transform: uppercase;
            border: 1px solid var(--product-accent, var(--red-seal));
            color: var(--product-accent, var(--red-seal));
            padding: 0.28rem 0.65rem;
            border-radius: 1px;
            white-space: nowrap;
            transition: background 0.3s, color 0.3s;
        }

        .product-card:hover .product-badge {
            background: var(--product-accent, var(--red-seal));
            color: #fff;
        }

        .product-header-actions {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-product-demo-mobile {
            display: none;
        }

        .product-name-jp {
            font-family: var(--font-jp);
            font-size: 0.65rem;
            letter-spacing: 0.2em;
            color: var(--text-ash);
            margin-bottom: 0.3rem;
            transition: color 0.4s;
        }

        .product-name {
            font-family: var(--font-callig);
            font-size: 2rem;
            color: var(--text-main);
            font-weight: 400;
            line-height: 1.05;
            margin-bottom: 1.2rem;
            transition: color 0.4s;
        }

        .product-desc {
            font-size: 0.83rem;
            color: var(--text-muted);
            line-height: 1.85;
            font-weight: 300;
            flex: 1;
            margin-bottom: 1.8rem;
            transition: color 0.4s;
        }

        .product-features {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: auto;
        }

        .product-feature-tag {
            font-size: 0.6rem;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--text-ash);
            background: var(--bg-alt);
            border: 1px solid var(--border-color);
            padding: 0.25rem 0.7rem;
            border-radius: 1px;
            transition: background 0.3s, color 0.3s, border-color 0.3s;
        }

        .product-card:hover .product-feature-tag {
            border-color: var(--product-accent, var(--red-seal));
            color: var(--product-accent, var(--red-seal));
        }

        /* Product accent colours */
        .product-card[data-product="takumi"] {
            --product-accent: #c0392b;
            --product-vector: url('../Logos/TAKUMI/logo-vector.png');
            --plaque-bg: #c0392b;
            --plaque-bg-light: #e74c3c;
            --plaque-border: #922b21;
            --plaque-color: #fffdec;
            --plaque-shadow: rgba(0, 0, 0, 0.4);
            --plaque-glow: rgba(231, 76, 60, 0.65);
        }

        .product-card[data-product="koro"] {
            --product-accent: #2471a3;
            --product-vector: url('../Logos/KORO/logo-vector.png');
        }

        .product-card[data-product="mise"] {
            --product-accent: #1e8449;
            --product-vector: url('../Logos/MISE/logo-vector.png');
        }

        .product-card[data-product="kin"] {
            --product-accent: #b7950b;
            --product-vector: url('../Logos/KIN/logo-vector.png');
            --plaque-bg: #b7950b;
            --plaque-bg-light: #f1c40f;
            --plaque-border: #7d6608;
            --plaque-color: #3a2d04;
            --plaque-shadow: rgba(255, 255, 255, 0.5);
            --plaque-glow: rgba(243, 156, 18, 0.7);
        }

        /* Contenedores de cuerpo flexibles en PC para alinear botones al final */
        .product-card-body {
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .product-card-body-inner {
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        /* Accordion Toggle indicator (hidden on desktop) */
        .product-accordion-toggle {
            display: none;
        }

        @media (max-width: 900px) {

            .products-grid,
            .landings-grid {
                grid-template-columns: 1fr;
                gap: 8px;
                /* Subtle spacing between cards */
                background: transparent;
            }

            .products-intro-right {
                text-align: left;
            }

            .product-card {
                min-height: auto;
                padding: 1.5rem 1.8rem;
                transition: padding 0.4s var(--ease-silk), background-color 0.4s;
                border: 1px solid var(--border-color);
            }

            /* Cabecera interactiva */
            .product-card-header {
                position: relative;
                cursor: pointer;
                padding-right: 2.5rem;
                /* Room for the chevron */
                user-select: none;
            }

            /* Chevron Minimalista */
            .product-accordion-toggle {
                display: block;
                position: absolute;
                right: 0;
                top: 50%;
                transform: translateY(-50%) rotate(0deg);
                width: 18px;
                height: 18px;
                transition: transform 0.4s var(--ease-silk);
            }

            /* Drawing the chevron arrow with pure CSS */
            .product-accordion-toggle::before,
            .product-accordion-toggle::after {
                content: '';
                position: absolute;
                background: var(--text-ash);
                transition: background 0.3s;
            }

            .product-accordion-toggle::before {
                top: 8px;
                left: 2px;
                width: 8px;
                height: 1.5px;
                transform: rotate(45deg);
            }

            .product-accordion-toggle::after {
                top: 8px;
                right: 2px;
                width: 8px;
                height: 1.5px;
                transform: rotate(-45deg);
            }

            /* Collapsible Accordion Body */
            .product-card-body {
                display: grid;
                grid-template-rows: 0fr;
                transition: grid-template-rows 0.4s var(--ease-silk);
                overflow: hidden;
            }

            .product-card-body-inner {
                min-height: 0;
                padding-top: 0;
                transition: padding 0.4s var(--ease-silk);
            }

            /* EXPANDED STATES */
            .product-card.expanded {
                background: var(--bg-alt);
                padding-bottom: 2rem;
            }

            .product-card.expanded .product-card-body {
                grid-template-rows: 1fr;
            }

            .product-card.expanded .product-card-body-inner {
                padding-top: 1.5rem;
            }

            .product-card.expanded .product-accordion-toggle {
                transform: translateY(-50%) rotate(180deg);
            }

            .product-card.expanded .product-accordion-toggle::before,
            .product-card.expanded .product-accordion-toggle::after {
                background: var(--product-accent, var(--red-seal));
            }

            /* Replicate hover states in expanded state on mobile */
            .product-card.expanded::before {
                height: 100%;
            }

            .product-card.expanded::after {
                opacity: 0.08;
                transform: rotate(-5deg) scale(1.06);
            }

            .product-card.expanded .product-kanji,
            .product-card.expanded .product-logo {
                opacity: 1;
            }

            .product-card.expanded .product-badge {
                background: var(--product-accent, var(--red-seal));
                color: #fff;
            }

            .product-card.expanded .product-feature-tag {
                border-color: var(--product-accent, var(--red-seal));
                color: var(--product-accent, var(--red-seal));
            }

            /* Animar línea de acento izquierda automáticamente al hacer scroll en móviles */
            .product-card.visible::before {
                height: 100%;
                transition: height 0.85s var(--ease-silk) 0.25s;
            }

            /* Aumentar legibilidad de los números del proceso (Kanji 1,2,3,4,5) en celular */
            .step-num {
                color: rgba(192, 57, 43, 0.52);
            }

            body.dark-mode .step-num {
                color: rgba(231, 76, 60, 0.52);
            }

            /* Estilos del botón Ver Demo en cabeceras de proyectos en móviles */
            .product-header-actions {
                display: flex;
                flex-direction: row;
                align-items: center;
                gap: 0.6rem;
            }

            .btn-product-demo-mobile {
                display: inline-flex;
                align-items: center;
                justify-content: center;
                gap: 0.35rem;
                padding: 0.35rem 0.8rem;
                font-family: var(--font-body);
                font-size: 0.55rem;
                font-weight: 600;
                letter-spacing: 0.15em;
                text-transform: uppercase;
                text-decoration: none;
                color: var(--product-accent, var(--red-seal));
                background: color-mix(in srgb, var(--product-accent, var(--red-seal)) 6%, transparent);
                border: 1px solid var(--product-accent, var(--red-seal));
                border-radius: 2px;
                cursor: pointer;
                box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
                transition: background 0.3s var(--ease-silk), color 0.3s, transform 0.25s var(--ease-silk), box-shadow 0.3s;
                white-space: nowrap;
            }

            .btn-product-demo-mobile:hover {
                background: var(--product-accent, var(--red-seal));
                color: #fff;
                box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
                transform: translateY(-1px);
            }

            .btn-product-demo-mobile.in-development {
                position: relative;
                border-style: dashed;
                color: color-mix(in srgb, var(--product-accent, var(--red-seal)) 75%, var(--text-ash));
            }

            .btn-product-demo-mobile.in-development:hover {
                background: color-mix(in srgb, var(--product-accent, var(--red-seal)) 6%, transparent);
                color: var(--product-accent, var(--red-seal));
                border-color: var(--product-accent, var(--red-seal));
                border-style: dashed;
                transform: none;
                box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
            }

            /* Cartel "EN DESARROLLO" (placa de madera) para móvil */
            .btn-product-demo-mobile.in-development::before {
                content: "準備中 · EN DESARROLLO";
                position: absolute;
                top: -14px;
                left: 50%;
                transform: translateX(-50%) scale(0.72);
                transform-origin: 50% -8px;
                
                background-color: #d8ae81;
                background-image: 
                    linear-gradient(rgba(84, 51, 16, 0.04) 50%, transparent 50%),
                    linear-gradient(135deg, #f3d4b2 0%, #d8ae81 100%);
                background-size: 100% 2px, 100% 100%;
                color: #543310;
                border: 1px solid #ac8052;
                box-shadow: 
                    inset 0 1px 0 rgba(255, 255, 255, 0.45),
                    0 2px 6px rgba(0, 0, 0, 0.16);
                text-shadow: 0 0.5px 0px rgba(255, 255, 255, 0.35);
                
                font-family: 'Noto Serif JP', 'Inter', sans-serif;
                font-size: 0.5rem;
                font-weight: 700;
                letter-spacing: 0.05em;
                padding: 2px 6px;
                border-radius: 2px;
                white-space: nowrap;
                z-index: 10;
                transition: all 0.3s var(--ease-silk);
                animation: sakuraBreezeMobile 4s ease-in-out infinite;
            }

            .btn-product-demo-mobile.in-development::after {
                content: "";
                position: absolute;
                top: -19px;
                left: 50%;
                width: 10px;
                height: 10px;
                border-left: 1px solid #ac8052;
                border-top: 1px solid #ac8052;
                transform: translateX(-50%) rotate(45deg);
                pointer-events: none;
                z-index: 9;
                opacity: 0.75;
                transition: all 0.3s var(--ease-silk);
            }

            .btn-product-demo-mobile.in-development:hover::before {
                animation: kanbanSwingMobile 1.5s ease-in-out infinite;
                box-shadow: 
                    inset 0 1px 0 rgba(255, 255, 255, 0.55),
                    0 3px 8px rgba(0, 0, 0, 0.22);
            }

            .btn-product-demo-mobile.in-development:hover::after {
                opacity: 1;
                height: 11px;
                top: -20px;
            }

            /* Cartel "YA DISPONIBLE" (placa lacada) para móvil */
            .btn-product-demo-mobile.demo-available {
                position: relative;
            }

            .btn-product-demo-mobile.demo-available::before {
                content: "✨ 公開中 · YA DISPONIBLE ✨";
                position: absolute;
                top: -14px;
                left: 50%;
                transform: translateX(-50%) scale(0.86);
                transform-origin: 50% -8px;
                
                background-color: var(--plaque-bg, #c0392b);
                background-image: 
                    linear-gradient(rgba(255, 255, 255, 0.08) 50%, transparent 50%),
                    linear-gradient(135deg, var(--plaque-bg-light, #e74c3c) 0%, var(--plaque-bg, #c0392b) 100%);
                background-size: 100% 2px, 100% 100%;
                color: var(--plaque-color, #fffdec);
                border: 1px solid var(--plaque-border, #922b21);
                box-shadow: 
                    inset 0 1px 0 rgba(255, 255, 255, 0.35),
                    0 0 10px var(--plaque-glow, rgba(192, 57, 43, 0.5)),
                    0 2px 6px rgba(0, 0, 0, 0.16);
                text-shadow: 0 0.5px 1px var(--plaque-shadow, rgba(0, 0, 0, 0.4));
                
                font-family: 'Noto Serif JP', 'Inter', sans-serif;
                font-size: 0.5rem;
                font-weight: 700;
                letter-spacing: 0.05em;
                padding: 2px 6px;
                border-radius: 2px;
                white-space: nowrap;
                z-index: 10;
                transition: all 0.3s var(--ease-silk);
                animation: availableBreezeMobile 4s ease-in-out infinite, plaqueGlowPulse 2.5s ease-in-out infinite;
            }

            .btn-product-demo-mobile.demo-available::after {
                content: "";
                position: absolute;
                top: -19px;
                left: 50%;
                width: 10px;
                height: 10px;
                border-left: 1px solid var(--plaque-border, #922b21);
                border-top: 1px solid var(--plaque-border, #922b21);
                transform: translateX(-50%) rotate(45deg);
                pointer-events: none;
                z-index: 9;
                opacity: 0.75;
                transition: all 0.3s var(--ease-silk);
            }

            .btn-product-demo-mobile.demo-available:hover::before {
                animation: availableSwingMobile 1.5s ease-in-out infinite, plaqueGlowPulse 2.5s ease-in-out infinite;
                box-shadow: 
                    inset 0 1px 0 rgba(255, 255, 255, 0.45),
                    0 0 16px var(--plaque-glow, rgba(192, 57, 43, 0.75)),
                    0 3px 8px rgba(0, 0, 0, 0.22);
            }

            .btn-product-demo-mobile.demo-available:hover::after {
                opacity: 1;
                height: 11px;
                top: -20px;
            }

            /* Ocultar carteles (placas) cuando la tarjeta está expandida en móvil */
            .product-card.expanded .btn-product-demo-mobile::before,
            .product-card.expanded .btn-product-demo-mobile::after,
            .product-card.expanded .btn-product-demo::before,
            .product-card.expanded .btn-product-demo::after {
                display: none !important;
            }

        }

        /* Product card action buttons */
        .product-actions {
            display: flex;
            gap: 0.75rem;
            margin-top: 1.8rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            flex-wrap: wrap;
            transition: border-color 0.4s;
        }

        .btn-product-demo {
            flex: 1;
            min-width: 120px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.65rem 1.2rem;
            font-family: var(--font-body);
            font-size: 0.6rem;
            letter-spacing: 0.25em;
            text-transform: uppercase;
            text-decoration: none;
            color: var(--product-accent, var(--red-seal));
            background: transparent;
            border: 1px solid var(--product-accent, var(--red-seal));
            border-radius: 1px;
            cursor: pointer;
            transition: background 0.3s var(--ease-silk), color 0.3s, transform 0.25s var(--ease-silk);
        }

        .btn-product-demo:hover {
            background: var(--product-accent, var(--red-seal));
            color: #fff;
            transform: translateY(-2px);
        }

        /* In development / Construction states for demo buttons */
        .btn-product-demo.in-development {
            position: relative;
            border-style: dashed;
            color: color-mix(in srgb, var(--product-accent, var(--red-seal)) 75%, var(--text-ash));
        }

        .btn-product-demo.in-development:hover {
            background: color-mix(in srgb, var(--product-accent, var(--red-seal)) 6%, transparent);
            color: var(--product-accent, var(--red-seal));
            border-color: var(--product-accent, var(--red-seal));
            border-style: dashed;
        }

        .btn-product-demo.in-development::before {
            content: "準備中 · EN DESARROLLO";
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%) scale(0.85);
            transform-origin: 50% -8px;
            
            /* High-fidelity wooden plaque styling */
            background-color: #d8ae81;
            background-image: 
                linear-gradient(rgba(84, 51, 16, 0.04) 50%, transparent 50%),
                linear-gradient(135deg, #f3d4b2 0%, #d8ae81 100%);
            background-size: 100% 2px, 100% 100%;
            color: #543310; /* Elegant dark burnt wood color */
            border: 1px solid #ac8052;
            box-shadow: 
                inset 0 1px 0 rgba(255, 255, 255, 0.45),
                0 3px 8px rgba(0, 0, 0, 0.16);
            text-shadow: 0 0.5px 0px rgba(255, 255, 255, 0.35);
            
            font-family: 'Noto Serif JP', 'Inter', sans-serif;
            font-size: 0.52rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            padding: 3px 10px;
            border-radius: 2px;
            white-space: nowrap;
            z-index: 10;
            transition: all 0.3s var(--ease-silk);
            animation: sakuraBreezeDesktop 4.5s ease-in-out infinite;
        }

        .btn-product-demo.in-development::after {
            content: "";
            position: absolute;
            top: -18px;
            left: 50%;
            width: 12px;
            height: 12px;
            border-left: 1px solid #ac8052;
            border-top: 1px solid #ac8052;
            transform: translateX(-50%) rotate(45deg);
            pointer-events: none;
            z-index: 9;
            opacity: 0.75;
            transition: all 0.3s var(--ease-silk);
        }

        .btn-product-demo.in-development:hover::before {
            animation: kanbanSwing 1.5s ease-in-out infinite;
            /* Keep wood colors but highlight shadow and scale slightly */
            box-shadow: 
                inset 0 1px 0 rgba(255, 255, 255, 0.55),
                0 4px 12px rgba(0, 0, 0, 0.22);
            transform: translateX(-50%) scale(0.9);
        }

        .btn-product-demo.in-development:hover::after {
            opacity: 1;
            height: 13px;
            top: -19px;
        }

        /* Cartel "YA DISPONIBLE" (placa lacada) para desktop */
        .btn-product-demo.demo-available {
            position: relative;
        }

        .btn-product-demo.demo-available::before {
            content: "✨ 公開中 · YA DISPONIBLE ✨";
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%) scale(0.96);
            transform-origin: 50% -8px;
            
            background-color: var(--plaque-bg, #c0392b);
            background-image: 
                linear-gradient(rgba(255, 255, 255, 0.08) 50%, transparent 50%),
                linear-gradient(135deg, var(--plaque-bg-light, #e74c3c) 0%, var(--plaque-bg, #c0392b) 100%);
            background-size: 100% 2px, 100% 100%;
            color: var(--plaque-color, #fffdec);
            border: 1px solid var(--plaque-border, #922b21);
            box-shadow: 
                inset 0 1px 0 rgba(255, 255, 255, 0.35),
                0 0 10px var(--plaque-glow, rgba(192, 57, 43, 0.5)),
                0 3px 8px rgba(0, 0, 0, 0.16);
            text-shadow: 0 0.5px 1px var(--plaque-shadow, rgba(0, 0, 0, 0.4));
            
            font-family: 'Noto Serif JP', 'Inter', sans-serif;
            font-size: 0.52rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            padding: 3px 10px;
            border-radius: 2px;
            white-space: nowrap;
            z-index: 10;
            transition: all 0.3s var(--ease-silk);
            animation: availableBreezeDesktop 4.5s ease-in-out infinite, plaqueGlowPulse 2.5s ease-in-out infinite;
        }

        .btn-product-demo.demo-available::after {
            content: "";
            position: absolute;
            top: -18px;
            left: 50%;
            width: 12px;
            height: 12px;
            border-left: 1px solid var(--plaque-border, #922b21);
            border-top: 1px solid var(--plaque-border, #922b21);
            transform: translateX(-50%) rotate(45deg);
            pointer-events: none;
            z-index: 9;
            opacity: 0.75;
            transition: all 0.3s var(--ease-silk);
        }

        .btn-product-demo.demo-available:hover::before {
            animation: availableSwing 1.5s ease-in-out infinite, plaqueGlowPulse 2.5s ease-in-out infinite;
            box-shadow: 
                inset 0 1px 0 rgba(255, 255, 255, 0.45),
                0 0 18px var(--plaque-glow, rgba(192, 57, 43, 0.75)),
                0 4px 12px rgba(0, 0, 0, 0.22);
        }

        .btn-product-demo.demo-available:hover::after {
            opacity: 1;
            height: 13px;
            top: -19px;
        }

        @keyframes kanbanSwing {
            0% { transform: translateX(-50%) rotate(0deg) scale(0.85); }
            15% { transform: translateX(-50%) rotate(8deg) scale(0.85); }
            30% { transform: translateX(-50%) rotate(-6deg) scale(0.85); }
            45% { transform: translateX(-50%) rotate(4deg) scale(0.85); }
            60% { transform: translateX(-50%) rotate(-3deg) scale(0.85); }
            75% { transform: translateX(-50%) rotate(1.5deg) scale(0.85); }
            90% { transform: translateX(-50%) rotate(-0.5deg) scale(0.85); }
            100% { transform: translateX(-50%) rotate(0deg) scale(0.85); }
        }

        @keyframes kanbanSwingMobile {
            0% { transform: translateX(-50%) rotate(0deg) scale(0.78); }
            15% { transform: translateX(-50%) rotate(8deg) scale(0.78); }
            30% { transform: translateX(-50%) rotate(-6deg) scale(0.78); }
            45% { transform: translateX(-50%) rotate(4deg) scale(0.78); }
            60% { transform: translateX(-50%) rotate(-3deg) scale(0.78); }
            75% { transform: translateX(-50%) rotate(1.5deg) scale(0.78); }
            90% { transform: translateX(-50%) rotate(-0.5deg) scale(0.78); }
            100% { transform: translateX(-50%) rotate(0deg) scale(0.78); }
        }

        @keyframes availableSwing {
            0% { transform: translateX(-50%) rotate(0deg) scale(0.96); }
            15% { transform: translateX(-50%) rotate(8deg) scale(0.96); }
            30% { transform: translateX(-50%) rotate(-6deg) scale(0.96); }
            45% { transform: translateX(-50%) rotate(4deg) scale(0.96); }
            60% { transform: translateX(-50%) rotate(-3deg) scale(0.96); }
            75% { transform: translateX(-50%) rotate(1.5deg) scale(0.96); }
            90% { transform: translateX(-50%) rotate(-0.5deg) scale(0.96); }
            100% { transform: translateX(-50%) rotate(0deg) scale(0.96); }
        }

        @keyframes availableSwingMobile {
            0% { transform: translateX(-50%) rotate(0deg) scale(0.86); }
            15% { transform: translateX(-50%) rotate(8deg) scale(0.86); }
            30% { transform: translateX(-50%) rotate(-6deg) scale(0.86); }
            45% { transform: translateX(-50%) rotate(4deg) scale(0.86); }
            60% { transform: translateX(-50%) rotate(-3deg) scale(0.86); }
            75% { transform: translateX(-50%) rotate(1.5deg) scale(0.86); }
            90% { transform: translateX(-50%) rotate(-0.5deg) scale(0.86); }
            100% { transform: translateX(-50%) rotate(0deg) scale(0.86); }
        }

        @keyframes sakuraBreezeDesktop {
            0%, 100% { transform: translateX(-50%) rotate(-3deg) scale(0.85); }
            50% { transform: translateX(-50%) rotate(3.5deg) scale(0.85); }
        }

        @keyframes sakuraBreezeMobile {
            0%, 100% { transform: translateX(-50%) rotate(-4.5deg) scale(0.72); }
            50% { transform: translateX(-50%) rotate(4.5deg) scale(0.72); }
        }

        @keyframes availableBreezeDesktop {
            0%, 100% { transform: translateX(-50%) rotate(-3deg) scale(0.96); }
            50% { transform: translateX(-50%) rotate(3.5deg) scale(0.96); }
        }

        @keyframes availableBreezeMobile {
            0%, 100% { transform: translateX(-50%) rotate(-4.5deg) scale(0.86); }
            50% { transform: translateX(-50%) rotate(4.5deg) scale(0.86); }
        }

        @keyframes plaqueGlowPulse {
            0%, 100% {
                box-shadow: 
                    inset 0 1px 0 rgba(255, 255, 255, 0.35),
                    0 0 6px var(--plaque-glow, rgba(192, 57, 43, 0.4)),
                    0 2px 6px rgba(0, 0, 0, 0.16);
            }
            50% {
                box-shadow: 
                    inset 0 1px 0 rgba(255, 255, 255, 0.55),
                    0 0 16px var(--plaque-glow, rgba(192, 57, 43, 0.75)),
                    0 2px 8px rgba(0, 0, 0, 0.22);
            }
        }

        .btn-product-service {
            flex: 1;
            min-width: 120px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            padding: 0.65rem 1.2rem;
            font-family: var(--font-body);
            font-size: 0.6rem;
            letter-spacing: 0.25em;
            text-transform: uppercase;
            text-decoration: none;
            color: #fff;
            background: var(--product-accent, var(--red-seal));
            border: 1px solid var(--product-accent, var(--red-seal));
            border-radius: 1px;
            cursor: pointer;
            transition: background 0.3s var(--ease-silk), opacity 0.3s, transform 0.25s var(--ease-silk);
        }

        .btn-product-service:hover {
            opacity: 0.82;
            transform: translateY(-2px);
        }

        /* ============================================================
       PHILOSOPHY SECTION
    ============================================================ */
        .philosophy {
            background: transparent;
            text-align: center;
            transition: background-color 0.4s;
        }

        .philosophy-quote {
            max-width: 800px;
            margin: 0 auto 5rem;
        }

        .quote-text {
            font-family: var(--font-title);
            font-size: clamp(1.3rem, 3vw, 2rem);
            font-style: italic;
            font-weight: 300;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 1.5rem;
            transition: color 0.4s;
        }

        .quote-attribution {
            font-size: 0.6rem;
            letter-spacing: 0.5em;
            text-transform: uppercase;
            color: var(--text-ash);
            transition: color 0.4s;
        }

        .pillars-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            margin-top: 4rem;
            width: 100%;
        }

        .pillar {
            text-align: center;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 3rem 1.5rem;
            border-radius: 2px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.01);
            transition: transform 0.45s var(--ease-silk), border-color 0.45s var(--ease-silk), box-shadow 0.45s var(--ease-silk), background-color 0.4s;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }

        .pillar:hover {
            transform: translateY(-8px) scale(1.02);
            border-color: var(--red-seal);
            box-shadow: 0 12px 30px rgba(192, 57, 43, 0.05);
            background: var(--bg-color);
        }

        body.dark-mode .pillar {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }

        body.dark-mode .pillar:hover {
            box-shadow: 0 12px 35px rgba(255, 255, 255, 0.015);
            background: var(--bg-alt);
        }

        .pillar-kanji {
            font-family: var(--font-jp);
            font-size: 3rem;
            color: var(--red-seal);
            display: block;
            margin-bottom: 0.8rem;
            opacity: 0.7;
            line-height: 1;
            transition: transform 0.3s var(--ease-silk), opacity 0.3s;
        }

        .pillar:hover .pillar-kanji {
            transform: scale(1.1) rotate(5deg);
            opacity: 0.95;
        }

        .pillar-title {
            font-family: var(--font-callig);
            font-size: 1.15rem;
            color: var(--text-main);
            display: block;
            margin-bottom: 0.6rem;
            transition: color 0.4s;
        }

        .pillar-desc {
            font-size: 0.75rem;
            color: var(--text-ash);
            letter-spacing: 0.05em;
            line-height: 1.6;
            transition: color 0.4s;
        }

        /* ============================================================
       PROCESS SECTION
    ============================================================ */
        #proceso {
            background: var(--bg-color-trans);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: background-color 0.4s, backdrop-filter 0.4s;
        }

        .process-two-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 6rem;
            align-items: start;
        }

        .process-timeline {
            margin-top: 0;
            position: relative;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 1px;
            background: linear-gradient(to bottom, var(--red-seal), transparent);
        }

        .process-step {
            display: grid;
            grid-template-columns: 80px 1fr;
            gap: 2rem;
            padding: 1rem 1.5rem 1rem 2rem;
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            border-radius: 2px;
            transition: padding-left 0.4s var(--ease-water), background-color 0.4s var(--ease-silk), border-color 0.4s;
        }

        .process-step::before {
            content: '';
            position: absolute;
            left: -5px;
            top: 50%;
            transform: translateY(-50%);
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--red-seal);
            box-shadow: 0 0 12px rgba(192, 57, 43, 0.4);
            z-index: 2;
            transition: transform 0.4s var(--ease-water), background-color 0.4s var(--ease-silk);
        }

        .process-step:hover {
            padding-left: 2.8rem;
            background: rgba(192, 57, 43, 0.02);
            border-bottom-color: rgba(192, 57, 43, 0.15);
        }

        body.dark-mode .process-step:hover {
            background: rgba(255, 255, 255, 0.01);
            border-bottom-color: rgba(255, 255, 255, 0.1);
        }

        .process-step:hover::before {
            transform: translateY(-50%) scale(1.4);
            background: var(--gold-subtle);
            box-shadow: 0 0 16px rgba(201, 168, 76, 0.6);
        }

        .process-step:last-child {
            border-bottom: none;
        }

        .step-num {
            font-family: var(--font-callig);
            font-size: 2.8rem;
            color: rgba(192, 57, 43, 0.35);
            /* Mayor visibilidad por defecto */
            font-weight: 300;
            line-height: 1;
            padding-top: 0.1rem;
            transition: color 0.4s var(--ease-silk), transform 0.4s var(--ease-silk);
        }

        body.dark-mode .step-num {
            color: rgba(231, 76, 60, 0.28);
            /* Rojo claro para modo oscuro */
        }

        .process-step:hover .step-num {
            color: var(--red-seal);
            transform: scale(1.08);
        }

        body.dark-mode .process-step:hover .step-num {
            color: var(--red-light);
        }

        .step-title {
            font-family: var(--font-callig);
            font-size: 1.4rem;
            color: var(--text-main);
            margin-bottom: 0.5rem;
            font-weight: 400;
            transition: color 0.4s;
        }

        .process-step:hover .step-title {
            color: var(--red-seal);
        }

        body.dark-mode .process-step:hover .step-title {
            color: var(--text-white);
        }

        .step-desc {
            font-size: 0.82rem;
            color: var(--text-ash);
            line-height: 1.8;
            transition: color 0.4s;
        }

        .process-step:hover .step-desc {
            color: var(--text-muted);
        }

        /* ============================================================
       TECH STACK SECTION
    ============================================================ */
        .tech {
            background: transparent;
            padding: 7rem 0;
            position: relative;
            overflow: hidden;
            transition: background-color 0.4s;
        }



        .tech-vertical-deco {
            position: absolute;
            right: 4%;
            top: 15%;
            writing-mode: vertical-rl;
            text-orientation: upright;
            font-family: var(--font-jp);
            font-size: 1.1rem;
            letter-spacing: 0.5em;
            color: var(--text-ash);
            opacity: 0.15;
            pointer-events: none;
            user-select: none;
            z-index: 2;
        }

        .tech-intro {
            text-align: center;
            margin-bottom: 3.5rem;
            position: relative;
            z-index: 2;
        }

        /* Tabs styling */
        .tech-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.75rem;
            margin-bottom: 3rem;
            position: relative;
            z-index: 2;
        }

        .tech-tab-btn {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 0.7rem 1.4rem;
            border-radius: 4px;
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            transition: all 0.4s var(--ease-silk);
            position: relative;
        }

        .tech-tab-btn:hover {
            border-color: var(--red-seal);
            background: var(--bg-alt);
        }

        .tech-tab-btn.active {
            border-color: var(--red-seal);
            background: var(--bg-alt);
            box-shadow: 0 4px 15px rgba(192, 57, 43, 0.08);
        }

        .tech-tab-btn.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 15%;
            right: 15%;
            height: 2px;
            background: var(--red-seal);
        }

        .tab-jp {
            font-family: var(--font-jp);
            font-size: 0.9rem;
            color: var(--red-seal);
            font-weight: 500;
        }

        .tab-en {
            font-family: var(--font-body);
            font-size: 0.78rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--text-main);
            font-weight: 500;
        }

        /* Dashboard Panel */
        .tech-panels-container {
            max-width: 1050px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
            width: 100%;
        }

        .tech-panel {
            display: none;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            padding: 3.5rem;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            position: relative;
            overflow: hidden;
        }

        body.dark-mode .tech-panel {
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
            background: rgba(20, 20, 20, 0.55);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        @keyframes panelFadeIn {
            from {
                opacity: 0;
                transform: translateY(12px) scale(0.995);
            }

            to {
                opacity: 1;
                transform: translateY(0) scale(1);
            }
        }

        .tech-panel.active {
            display: grid;
            grid-template-columns: 1.1fr 1.3fr;
            gap: 3.5rem;
            animation: panelFadeIn 0.5s var(--ease-silk) forwards;
        }

        /* Panel Left Column */
        .tech-panel-info {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            position: relative;
            border-right: 1px solid var(--border-color);
            padding-right: 3.5rem;
        }

        .tech-panel-number {
            font-family: var(--font-jp);
            font-size: 1rem;
            color: var(--red-seal);
            margin-bottom: 0.75rem;
            font-weight: 600;
            opacity: 0.85;
        }

        .tech-panel-concept {
            font-family: var(--font-jp);
            font-size: 0.78rem;
            color: var(--text-ash);
            letter-spacing: 0.1em;
            margin-bottom: 0.5rem;
            text-transform: uppercase;
        }

        .tech-panel-title {
            font-family: var(--font-title);
            font-size: 1.8rem;
            color: var(--text-main);
            margin-bottom: 1.25rem;
            font-weight: 400;
            letter-spacing: -0.3px;
        }

        .tech-panel-desc {
            font-family: var(--font-body);
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            font-weight: 300;
        }

        /* Panel Right Column */
        .tech-panel-tools {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
            gap: 1rem;
            align-content: center;
        }

        /* Minimalistic pills */
        .tech-pill {
            background: var(--bg-alt);
            border: 1px solid var(--border-color);
            border-radius: 4px;
            padding: 0.9rem 1rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            transition: all 0.4s var(--ease-silk);
            position: relative;
            overflow: hidden;
            cursor: default;
        }

        .tech-pill::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at center, var(--brand-color) 0%, transparent 70%);
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s ease;
        }

        .tech-pill:hover::after {
            opacity: 0.08;
        }

        body.dark-mode .tech-pill:hover::after {
            opacity: 0.12;
        }

        .tech-pill:hover {
            transform: translateY(-2px);
            border-color: var(--brand-color);
            background: var(--bg-card);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02), 0 0 10px var(--brand-color-glow, rgba(0, 0, 0, 0.02));
        }

        body.dark-mode .tech-pill:hover {
            box-shadow: 0 4px 12px rgba(255, 255, 255, 0.01), 0 0 15px var(--brand-color-glow, rgba(255, 255, 255, 0.01));
        }

        .tech-pill i,
        .tech-pill svg {
            font-size: 1.3rem;
            width: 1.3rem;
            height: 1.3rem;
            color: var(--text-ash);
            transition: color 0.4s, transform 0.4s var(--ease-silk);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .tech-pill svg {
            stroke-width: 1.8px;
        }

        .tech-pill:hover i,
        .tech-pill:hover svg {
            color: var(--brand-color);
            transform: scale(1.1);
        }

        .tech-pill span {
            font-family: var(--font-body);
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-main);
            letter-spacing: 0.2px;
        }

        /* Responsive */
        @media (max-width: 991px) {
            .tech-panel.active {
                grid-template-columns: 1fr;
                gap: 2.5rem;
                padding: 2.5rem;
            }

            .tech-panel-info {
                border-right: none;
                border-bottom: 1px solid var(--border-color);
                padding-right: 0;
                padding-bottom: 2rem;
            }
        }

        @media (max-width: 768px) {
            .tech {
                padding: 5rem 0;
            }

            .tech-tabs {
                gap: 0.5rem;
            }

            .tech-tab-btn {
                padding: 0.55rem 1.1rem;
            }

            .tech-panel {
                padding: 2rem;
            }

            .tech-panel-title {
                font-size: 1.5rem;
            }

            .tech-panel-tools {
                grid-template-columns: repeat(2, 1fr);
                gap: 0.75rem;
            }

            .tech-pill {
                padding: 0.75rem 0.85rem;
            }
        }

        /* ============================================================
       CONTACT SECTION
    ============================================================ */
        .contact {
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .contact::before {
            content: '';
            position: absolute;
            width: 800px;
            height: 800px;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            border-radius: 50%;
            background: radial-gradient(circle, rgba(192, 57, 43, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 5rem;
            text-align: left;
            margin-top: 4rem;
        }

        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 1.2rem;
        }

        .form-group {
            position: relative;
        }

        .form-group label {
            display: block;
            font-size: 0.6rem;
            letter-spacing: 0.4em;
            text-transform: uppercase;
            color: var(--text-ash);
            margin-bottom: 0.5rem;
        }

        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            background: transparent;
            border: none;
            border-bottom: 1px solid var(--border-color);
            color: var(--text-main);
            font-family: var(--font-body);
            font-size: 0.88rem;
            font-weight: 300;
            padding: 0.6rem 0;
            outline: none;
            transition: border-color 0.4s var(--ease-silk), color 0.4s, box-shadow 0.4s var(--ease-silk);
            -webkit-appearance: none;
            appearance: none;
        }

        .form-group select {
            cursor: pointer;
            background: var(--bg-color);
            padding: 0.5rem;
            transition: background-color 0.4s, border-color 0.4s var(--ease-silk), color 0.4s;
        }

        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--red-seal);
            box-shadow: 0 2px 0 rgba(192, 57, 43, 0.2);
        }

        .form-group textarea {
            resize: none;
            height: 100px;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .info-item {
            padding-bottom: 0.8rem;
            border-bottom: 1px solid var(--border-subtle);
            transition: border-color 0.4s var(--ease-silk);
        }

        .info-item:hover {
            border-bottom-color: rgba(192, 57, 43, 0.35);
        }

        body.dark-mode .info-item:hover {
            border-bottom-color: rgba(255, 255, 255, 0.2);
        }

        .info-label {
            font-size: 0.58rem;
            letter-spacing: 0.5em;
            text-transform: uppercase;
            color: var(--red-seal);
            display: block;
            margin-bottom: 0.4rem;
        }

        .info-value {
            font-family: var(--font-title);
            font-size: 1.1rem;
            color: var(--text-muted);
            font-style: italic;
            transition: color 0.4s var(--ease-silk), transform 0.3s var(--ease-silk);
            display: inline-block;
        }

        .info-item:hover .info-value {
            color: var(--text-main);
            transform: translateX(4px);
        }

        /* ============================================================
       FOOTER
    ============================================================ */
        footer {
            background: var(--bg-alt);
            border-top: 1px solid var(--border-color);
            padding: 3rem 3rem 2rem;
            transition: background-color 0.4s, border-color 0.4s;
        }

        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 3rem;
        }

        .footer-logo-wrap {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .footer-logo-wrap img {
            width: 50px;
            height: 50px;
            object-fit: contain;
            filter: var(--logo-filter);
            mix-blend-mode: var(--logo-blend);
            opacity: 0.7;
            transition: filter 0.4s;
        }

        .footer-brand-name {
            font-family: var(--font-callig);
            font-size: 1.5rem;
            color: var(--text-main);
            opacity: 0.8;
            letter-spacing: 0.1em;
            transition: color 0.4s;
        }

        .footer-brand-sub {
            font-size: 0.55rem;
            letter-spacing: 0.5em;
            text-transform: uppercase;
            color: var(--text-muted);
            transition: color 0.4s;
        }

        .footer-nav {
            display: flex;
            gap: 4rem;
        }

        .footer-nav-group h4 {
            font-family: var(--font-body);
            font-size: 0.6rem;
            letter-spacing: 0.4em;
            text-transform: uppercase;
            color: var(--red-seal);
            margin-bottom: 1rem;
            font-weight: 400;
        }

        .footer-nav-group ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .footer-nav-group ul a {
            text-decoration: none;
            font-size: 0.78rem;
            color: var(--text-muted);
            transition: color 0.3s;
            letter-spacing: 0.05em;
        }

        .footer-nav-group ul a:hover {
            color: var(--text-main);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 2rem;
            border-top: 1px solid var(--border-subtle);
            transition: border-color 0.4s;
        }

        .footer-copy {
            font-size: 0.72rem;
            color: var(--text-muted);
            letter-spacing: 0.05em;
            transition: color 0.4s;
        }

        .footer-copy span {
            color: var(--red-seal);
        }

        .footer-seal {
            font-family: var(--font-jp);
            font-size: 0.9rem;
            color: var(--red-seal);
            border: 1px solid var(--red-seal);
            padding: 0.15rem 0.4rem;
            opacity: 0.6;
        }

        /* ============================================================
       SCROLL REVEAL
    ============================================================ */
        .reveal {
            opacity: 0;
            filter: blur(4px);
            transform: translateY(15px) scale(0.995);
            transition: opacity 0.35s var(--ease-silk), filter 0.35s var(--ease-silk), transform 0.35s var(--ease-silk);
            will-change: opacity, filter, transform;
        }

        .reveal.visible {
            opacity: 1;
            filter: blur(0);
            transform: translateY(0) scale(1);
        }

        /* ============================================================
       HAMBURGER
    ============================================================ */
        .hamburger {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            padding: 8px;
            background: none;
            border: none;
            z-index: 101;
            position: relative;
        }

        .hamburger span {
            width: 24px;
            height: 1.5px;
            background: var(--text-main);
            transition: transform 0.3s var(--ease-silk), opacity 0.3s, background-color 0.4s;
            display: block;
        }

        /* Hamburger to X transformation */
        .hamburger.active span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }

        .hamburger.active span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* Social links */
        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 2rem;
        }

        .social-link {
            width: 40px;
            height: 40px;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-ash);
            text-decoration: none;
            font-size: 0.8rem;
            transition: border-color 0.3s, color 0.3s;
        }

        .social-link:hover {
            border-color: var(--red-seal);
            color: var(--text-main);
        }

        /* ============================================================
       RESPONSIVE & MOBILE
    ============================================================ */
        @media (max-width: 900px) {

            .about,
            .philosophy,
            #proceso,
            .tech,
            .contact,
            .what-we-do,
            #landings-pricing {
                min-height: auto;
                padding: 6rem 1.5rem 4rem 1.5rem;
                display: block;
            }

            nav {
                padding: 1.2rem 1.5rem;
            }

            .hamburger {
                display: flex;
            }

            /* Hide the desktop toggle from nav-links in mobile */
            .desktop-only {
                display: none !important;
            }

            /* Hide the toggle from the top bar on mobile (it goes into the open menu) */
            #theme-toggle-mobile {
                display: none !important;
            }

            /* Show the centered toggle slot inside the open menu */
            .mobile-toggle-center {
                display: flex;
            }

            .nav-links {
                display: flex;
                position: fixed;
                top: 0;
                left: 0;
                right: 0;
                bottom: 0;
                width: 100vw;
                height: 100vh;
                background: var(--nav-bg);
                backdrop-filter: blur(30px);
                -webkit-backdrop-filter: blur(30px);
                flex-direction: column;
                justify-content: center;
                align-items: center;
                gap: 1.5rem;
                z-index: 99;
                transform: translateY(-100%);
                opacity: 0;
                transition: transform 0.5s var(--ease-silk), opacity 0.5s ease;
                padding: 2rem;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }

            .nav-links li {
                width: 100%;
                text-align: center;
                opacity: 0;
                transform: translateY(20px);
                transition: transform 0.4s var(--ease-silk), opacity 0.4s ease;
            }

            .nav-links.open li {
                opacity: 1;
                transform: translateY(0);
            }

            /* Stagger delays for nav items */
            .nav-links.open li:nth-child(1) {
                transition-delay: 0.05s;
            }

            .nav-links.open li:nth-child(2) {
                transition-delay: 0.1s;
            }

            .nav-links.open li:nth-child(3) {
                transition-delay: 0.15s;
            }

            .nav-links.open li:nth-child(4) {
                transition-delay: 0.2s;
            }

            .nav-links.open li:nth-child(5) {
                transition-delay: 0.25s;
            }

            .nav-links.open li:nth-child(6) {
                transition-delay: 0.3s;
            }

            /* Stagger for the toggle center block (7th child) */
            .nav-links.open .mobile-toggle-center {
                opacity: 1;
                transform: translateY(0);
                transition-delay: 0.35s;
            }

            .mobile-toggle-center {
                opacity: 0;
                transform: translateY(20px);
                transition: transform 0.4s var(--ease-silk), opacity 0.4s ease;
            }

            .nav-links a {
                font-family: var(--font-callig);
                font-size: 1.6rem;
                letter-spacing: 0.08em;
                display: inline-block;
                padding: 0.6rem 1.2rem;
                color: var(--text-main);
            }

            .nav-links a:hover {
                color: var(--red-seal);
                transform: scale(1.05);
            }

            .about-grid {
                grid-template-columns: 1fr;
                gap: 3rem;
            }

            .about-visual {
                display: flex;
                width: 100%;
                justify-content: center;
                padding: 1rem 0;
            }

            .about-visual .about-fish-bg {
                display: none;
            }

            .about-stats {
                max-width: 100%;
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }

            .about-stats .stat-item {
                padding: 0.8rem 1.1rem;
                border-radius: 0 6px 6px 0;
            }

            .about-stats .stat-number {
                font-size: 2.2rem;
            }

            .about-stats .stat-label {
                font-size: 0.58rem;
                letter-spacing: 0.15em;
            }

            .services-grid {
                grid-template-columns: 1fr;
            }

            .tech-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }

            .tech-card-featured {
                grid-column: span 2;
            }

            .tech-vertical-deco {
                display: none;
            }

            .pillars-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }

            .process-two-col {
                grid-template-columns: 1fr;
                gap: 3rem;
            }

            .contact-grid {
                grid-template-columns: 1fr;
                gap: 3rem;
            }

            .footer-top {
                flex-direction: column;
                gap: 2rem;
            }

            .footer-nav {
                flex-wrap: wrap;
                gap: 2rem;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }
        }

        @media (max-width: 600px) {
            .hero-title {
                font-size: 3.5rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .pillars-grid {
                grid-template-columns: 1fr;
            }

            .tech-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }

            .tech-card-featured {
                grid-column: span 1;
            }

            section {
                padding: 5rem 1.2rem;
            }
        }

        /* Landscape / very short viewports — keep hero inside one screen */
        @media (max-height: 600px) {
            .hero {
                justify-content: flex-start;
                padding-top: clamp(4rem, 12vh, 6rem);
                overflow-y: auto;
            }

            .hero-logo {
                width: clamp(60px, 14vmin, 110px);
                height: clamp(60px, 14vmin, 110px);
                margin-bottom: 0.6rem;
            }

            .hero-moon {
                width: 160px;
                height: 160px;
            }

            .hero-desc {
                display: none;
            }

            .hero-scroll {
                display: none;
            }
        }

        /* ============================================================
           CHATBOT
        ============================================================ */
        /* Combined Floating buttons (Chat & Contact) */
        .chat-trigger, .floating-contact-cta {
            position: fixed;
            bottom: 1.8rem;
            z-index: 3000;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: var(--red-seal);
            border: none;
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(192, 57, 43, 0.45);
            transition: transform 0.3s var(--ease-silk), box-shadow 0.3s, opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .chat-trigger {
            right: 1.5rem;
        }

        .floating-contact-cta {
            left: 1.5rem;
            color: #fff;
            text-decoration: none;
            /* Hide initially until scroll */
            opacity: 0;
            transform: scale(0.8) translateY(20px);
            pointer-events: none;
        }

        .floating-contact-cta.visible {
            opacity: 1;
            transform: scale(1) translateY(0);
            pointer-events: auto;
        }

        .chat-trigger:hover, .floating-contact-cta:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(192, 57, 43, 0.6);
            color: #fff;
        }

        .chat-trigger svg, .floating-contact-cta svg {
            width: 24px;
            height: 24px;
            fill: #fff;
            z-index: 2;
            transition: transform 0.3s var(--ease-silk);
        }

        .chat-trigger.open svg.icon-chat {
            display: none;
        }

        .chat-trigger:not(.open) svg.icon-close {
            display: none;
        }

        /* Pulse ringg */
        .chat-trigger::before {
            content: '';
            position: absolute;
            inset: -6px;
            border-radius: 50%;
            border: 2px solid rgba(192, 57, 43, 0.4);
            animation: chatPulse 2.5s ease-in-out infinite;
        }

        @keyframes chatPulse {

            0%,
            100% {
                transform: scale(1);
                opacity: 0.5;
            }

            50% {
                transform: scale(1.18);
                opacity: 0;
            }
        }

        /* Unread badge */
        .chat-badge {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 16px;
            height: 16px;
            background: #fff;
            color: var(--red-seal);
            border-radius: 50%;
            font-size: 0.6rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-body);
            opacity: 1;
            transition: opacity 0.2s;
        }

        .chat-badge.hidden {
            opacity: 0;
            pointer-events: none;
        }

        /* Chat Speech Bubble Balloon */
        .chat-speech-bubble {
            position: fixed;
            right: 5.5rem;
            bottom: 2.2rem;
            z-index: 3000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 0.75rem 1rem;
            font-size: 0.85rem;
            color: var(--text-main);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.25rem;
            font-family: var(--font-body);
            max-width: 320px;
            white-space: nowrap;
            animation: bubbleFloat 3s ease-in-out infinite alternate, bubbleFadeIn 0.5s ease-out 2s forwards;
            opacity: 0;
            /* Wait 2 seconds then fade in */
            pointer-events: auto;
            transition: opacity 0.3s ease, transform 0.3s ease;
        }

        .chat-speech-bubble::after {
            content: '';
            position: absolute;
            right: -7px;
            top: 50%;
            transform: translateY(-50%) rotate(45deg);
            width: 12px;
            height: 12px;
            background: rgba(255, 255, 255, 0.95);
            border-right: 1px solid var(--border-color);
            border-top: 1px solid var(--border-color);
            z-index: 1;
        }

        .dark-mode .chat-speech-bubble {
            background: rgba(30, 30, 30, 0.95);
            color: #e8e4dc;
            border-color: rgba(255, 255, 255, 0.1);
        }

        .dark-mode .chat-speech-bubble::after {
            background: rgba(30, 30, 30, 0.95);
            border-right: 1px solid rgba(255, 255, 255, 0.1);
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .chat-speech-bubble-close {
            background: rgba(0, 0, 0, 0.04);
            border: none;
            color: var(--text-light);
            cursor: pointer;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background-color 0.2s, color 0.2s, transform 0.2s;
            flex-shrink: 0;
        }

        .chat-speech-bubble-close:hover {
            color: var(--red-seal);
            background: rgba(192, 57, 43, 0.1);
            transform: scale(1.1);
        }

        .dark-mode .chat-speech-bubble-close {
            background: rgba(255, 255, 255, 0.08);
        }

        .dark-mode .chat-speech-bubble-close:hover {
            background: rgba(192, 57, 43, 0.2);
            color: #ff8fa3;
        }

        .chat-speech-bubble.dismissed {
            animation: none !important;
            opacity: 0 !important;
            transform: scale(0.95) translateY(-8px) !important;
            pointer-events: none;
        }

        @keyframes bubbleFloat {
            0% {
                transform: translateY(0);
            }

            100% {
                transform: translateY(-5px);
            }
        }

        @keyframes bubbleFadeIn {
            to {
                opacity: 1;
            }
        }

        /* Chat panel */
        .chat-panel {
            position: fixed;
            right: 1.5rem;
            bottom: calc(58px + 2.8rem);
            z-index: 2999;
            width: min(380px, calc(100vw - 3rem));
            height: min(560px, calc(100vh - 120px));
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.18), 0 4px 16px rgba(0, 0, 0, 0.08);
            transform: translateY(24px) scale(0.96);
            opacity: 0;
            pointer-events: none;
            transition: transform 0.35s var(--ease-silk), opacity 0.35s ease;
            overflow: hidden;
        }

        .chat-panel.open {
            transform: translateY(0) scale(1);
            opacity: 1;
            pointer-events: all;
        }

        @keyframes chatBounce {

            0%,
            100% {
                transform: translateY(0) scale(1);
            }

            50% {
                transform: translateY(-12px) scale(1.02);
            }
        }

        .chat-panel.open.chat-bounce {
            animation: chatBounce 0.6s var(--ease-silk);
        }

        /* Chat header */
        .chat-header {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 1rem 1.2rem;
            border-bottom: 1px solid var(--border-color);
            background: linear-gradient(135deg, var(--bg-alt) 0%, var(--bg-card) 100%);
            flex-shrink: 0;
        }

        .chat-header-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--red-seal);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-jp);
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
            overflow: hidden;
        }

        .chat-header-avatar img {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            object-fit: cover;
        }

        .chat-header-info {
            flex: 1;
        }

        .chat-header-name {
            font-family: var(--font-callig);
            font-size: 1rem;
            color: var(--text-main);
            letter-spacing: 0.06em;
        }

        .chat-header-status {
            font-size: 0.6rem;
            color: #27ae60;
            letter-spacing: 0.1em;
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .chat-header-status::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #27ae60;
            display: inline-block;
        }

        .chat-header-close {
            background: none;
            border: none;
            cursor: pointer;
            color: var(--text-ash);
            font-size: 1.2rem;
            padding: 0.25rem;
            transition: color 0.2s;
            line-height: 1;
        }

        .chat-header-close:hover {
            color: var(--red-seal);
        }

        /* Messages area */
        .chat-messages {
            flex: 1;
            overflow-y: auto;
            padding: 1rem 1.1rem;
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
            scroll-behavior: smooth;
        }

        .chat-messages::-webkit-scrollbar {
            width: 3px;
        }

        .chat-messages::-webkit-scrollbar-thumb {
            background: var(--border-color);
            border-radius: 2px;
        }

        /* Welcome header inside chatbot */
        .chat-welcome-header {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 2rem 1.2rem 1rem;
            text-align: center;
            animation: fadeInWelcome 0.6s var(--ease-silk);
        }

        .chat-welcome-header::after {
            content: '';
            width: 60px;
            height: 2px;
            background: var(--red-seal);
            opacity: 0.4;
            margin-top: 1.25rem;
            border-radius: 1px;
        }

        .chat-welcome-avatar {
            width: 220px;
            height: 220px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            /* Outline following the transparent PNG contours + drop shadow */
            filter: drop-shadow(2px 0 0 var(--red-seal)) drop-shadow(-2px 0 0 var(--red-seal)) drop-shadow(0 2px 0 var(--red-seal)) drop-shadow(0 -2px 0 var(--red-seal)) drop-shadow(0 10px 18px rgba(192, 57, 43, 0.22));
        }

        .chat-welcome-avatar:hover {
            transform: scale(1.08) rotate(4deg);
            filter: drop-shadow(2px 0 0 var(--red-seal)) drop-shadow(-2px 0 0 var(--red-seal)) drop-shadow(0 2px 0 var(--red-seal)) drop-shadow(0 -2px 0 var(--red-seal)) drop-shadow(0 14px 24px rgba(192, 57, 43, 0.38));
        }

        .chat-welcome-avatar img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        @keyframes fadeInWelcome {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Message bubbles */
        .chat-msg {
            display: flex;
            gap: 0.5rem;
            align-items: flex-end;
            max-width: 88%;
        }

        .chat-msg.user {
            align-self: flex-end;
            flex-direction: row-reverse;
        }

        .chat-msg.assistant {
            align-self: flex-start;
        }

        .msg-avatar {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--bg-alt);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            flex-shrink: 0;
            font-family: var(--font-jp);
            color: var(--red-seal);
            overflow: hidden;
        }

        .msg-avatar img {
            width: 100%;
            height: 100%;
            border-radius: 50%;
            object-fit: cover;
        }

        .msg-bubble {
            padding: 0.65rem 0.9rem;
            border-radius: 12px;
            font-size: 0.82rem;
            line-height: 1.6;
            font-family: var(--font-body);
            word-break: break-word;
        }

        .chat-link {
            color: var(--red-seal);
            font-weight: 600;
            text-decoration: underline;
            text-decoration-style: dashed;
            text-underline-offset: 3px;
            transition: color 0.2s;
        }

        .chat-link:hover {
            color: var(--red-light);
            text-decoration-style: solid;
        }

        .dark-mode .chat-link {
            color: var(--red-light);
        }

        .dark-mode .chat-link:hover {
            color: #ff6b5c;
        }

        .chat-msg.user .msg-bubble {
            background: var(--red-seal);
            color: #fff;
            border-bottom-right-radius: 3px;
        }

        .chat-msg.assistant .msg-bubble {
            background: var(--bg-alt);
            color: var(--text-main);
            border: 1px solid var(--border-color);
            border-bottom-left-radius: 3px;
            transition: background 0.4s, color 0.4s, border-color 0.4s;
        }

        /* Typing indicator */
        .typing-indicator {
            display: flex;
            gap: 4px;
            padding: 0.65rem 0.9rem;
            background: var(--bg-alt);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            border-bottom-left-radius: 3px;
            width: fit-content;
            align-items: center;
        }

        .typing-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--text-ash);
            animation: typingBounce 1.2s ease-in-out infinite;
        }

        .typing-dot:nth-child(2) {
            animation-delay: 0.2s;
        }

        .typing-dot:nth-child(3) {
            animation-delay: 0.4s;
        }

        @keyframes typingBounce {

            0%,
            80%,
            100% {
                transform: translateY(0);
                opacity: 0.4;
            }

            40% {
                transform: translateY(-6px);
                opacity: 1;
            }
        }

        /* Quick replies */
        .chat-quick-replies {
            display: flex;
            gap: 0.4rem;
            flex-wrap: wrap;
            padding: 0.5rem 1.1rem 0;
            flex-shrink: 0;
        }

        .quick-reply {
            font-size: 0.58rem;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            border: 1px solid var(--border-color);
            background: transparent;
            color: var(--text-muted);
            padding: 0.3rem 0.7rem;
            border-radius: 20px;
            cursor: pointer;
            transition: border-color 0.2s, color 0.2s, background 0.2s;
            font-family: var(--font-body);
            white-space: nowrap;
        }

        .quick-reply:hover {
            border-color: var(--red-seal);
            color: var(--red-seal);
        }

        /* Input area */
        .chat-input-area {
            display: flex;
            gap: 0.5rem;
            padding: 0.85rem 1.1rem 1rem;
            border-top: 1px solid var(--border-color);
            flex-shrink: 0;
            background: var(--bg-card);
            transition: background 0.4s;
        }

        .chat-input {
            flex: 1;
            background: var(--bg-alt);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 0.55rem 1rem;
            font-family: var(--font-body);
            font-size: 0.82rem;
            color: var(--text-main);
            outline: none;
            resize: none;
            transition: border-color 0.2s, background 0.4s;
            line-height: 1.4;
            min-height: 36px;
            max-height: 100px;
        }

        .chat-input:focus {
            border-color: var(--red-seal);
        }

        .chat-input::placeholder {
            color: var(--text-ash);
        }

        .chat-send {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--red-seal);
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            align-self: flex-end;
            transition: opacity 0.2s, transform 0.2s;
        }

        .chat-send:hover {
            opacity: 0.85;
            transform: scale(1.08);
        }

        .chat-send:disabled {
            opacity: 0.45;
            cursor: not-allowed;
            transform: none;
        }

        .chat-send svg {
            width: 15px;
            height: 15px;
            fill: #fff;
        }

        /* ============================================================
           SCROLL PROGRESS BAR
        ============================================================ */
        .scroll-progress-bar {
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0%;
            height: 3px;
            background: linear-gradient(90deg, var(--gold-subtle), var(--red-seal));
            z-index: 102;
            transition: width 0.08s ease-out;
        }





        /* Mobile adjustment for back-to-top to avoid overlapping with bottom bar */
        @media (max-width: 768px) {

            .chat-trigger, .floating-contact-cta {
                bottom: 1.5rem;
                width: 48px;
                height: 48px;
            }

            .chat-trigger {
                right: 1rem;
            }

            .floating-contact-cta {
                left: 1rem;
            }

            .chat-trigger svg, .floating-contact-cta svg {
                width: 22px;
                height: 22px;
            }

            .chat-panel {
                right: 1rem;
                bottom: calc(48px + 2.3rem);
                width: calc(100vw - 2rem);
                height: calc(100vh - 100px);
            }

            /* Ajuste responsivo de la burbuja de diálogo para que no se desborde */
            .chat-speech-bubble {
                right: 1rem;
                bottom: 5.2rem;
                max-width: 260px;
                white-space: normal;
                gap: 0.75rem;
            }

            .chat-speech-bubble::after {
                right: 18px;
                top: auto;
                bottom: -7px;
                transform: rotate(45deg);
                border-right: 1px solid var(--border-color);
                border-bottom: 1px solid var(--border-color);
                border-top: none;
                border-left: none;
            }

            .dark-mode .chat-speech-bubble::after {
                border-right: 1px solid rgba(255, 255, 255, 0.1);
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                border-top: none;
                border-left: none;
            }
        }

        /* ============================================================
           SUMI-E INK INTERACTIONS (Click ripples & Transition overlay)
        ============================================================ */
        @keyframes inkBleedCore {
            0% {
                transform: translate(-50%, -50%) scale(0.1);
                opacity: 0;
            }

            12% {
                opacity: 0.8;
            }

            100% {
                transform: translate(-50%, -50%) scale(4.8);
                opacity: 0;
            }
        }

        @keyframes inkSplatterSpread {
            0% {
                transform: translate(-50%, -50%) translate(0, 0) scale(1.3);
                opacity: 0;
            }

            15% {
                opacity: 0.85;
            }

            100% {
                transform: translate(-50%, -50%) translate(var(--tx), var(--ty)) scale(0.1);
                opacity: 0;
            }
        }

        .ink-drop-core {
            position: fixed;
            width: 25px;
            height: 25px;
            border-radius: 50%;
            pointer-events: none;
            z-index: 99998;
            transform: translate(-50%, -50%);
            filter: url(#ink-splash-filter);
            animation: inkBleedCore 0.85s cubic-bezier(0.1, 0.8, 0.25, 1) forwards;
            will-change: transform, opacity;
        }

        .ink-splatter-particle {
            position: fixed;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            pointer-events: none;
            z-index: 99998;
            transform: translate(-50%, -50%);
            filter: url(#ink-splash-filter);
            animation: inkSplatterSpread 0.65s cubic-bezier(0.12, 0.85, 0.3, 1) forwards;
            will-change: transform, opacity;
        }

        #ink-transition-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            z-index: 99999;
            pointer-events: none;
            filter: url(#ink-bleed-filter);
            clip-path: circle(0px at 50% 50%);
            transition: clip-path 0.85s cubic-bezier(0.4, 0, 0.2, 1);
            will-change: clip-path;
        }

        /* ============================================================
           DEMO PREVIEW MODAL STYLES (Zen / Sumi-e style popup)
        ============================================================ */
        .demo-modal {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            z-index: 999999;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.4s var(--ease-silk);
        }

        .demo-modal.open {
            opacity: 1;
            pointer-events: all;
        }

        .demo-modal-backdrop {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(13, 13, 13, 0.45);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

        .demo-modal-content {
            position: relative;
            width: min(900px, 90vw);
            height: min(650px, 80vh);
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            box-shadow: 0 30px 90px rgba(0, 0, 0, 0.28);
            border-radius: 4px;
            display: flex;
            flex-direction: column;
            overflow: hidden;
            transform: translateY(30px) scale(0.97);
            transition: transform 0.4s var(--ease-silk);
            z-index: 10;
        }

        .demo-modal.open .demo-modal-content {
            transform: translateY(0) scale(1);
        }

        .demo-modal-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.5rem 2rem;
            border-bottom: 1px solid var(--border-color);
            background: linear-gradient(135deg, var(--bg-alt) 0%, var(--bg-card) 100%);
            position: relative;
        }

        .demo-modal-kanji-watermark {
            position: absolute;
            right: 4rem;
            top: 0;
            font-family: var(--font-jp);
            font-size: 4rem;
            color: var(--red-seal);
            opacity: 0.05;
            pointer-events: none;
            user-select: none;
        }

        .demo-modal-title {
            font-family: var(--font-title);
            font-size: 1.3rem;
            font-weight: 400;
            color: var(--text-main);
            margin: 0;
            letter-spacing: 0.05em;
        }

        .demo-modal-subtitle {
            font-family: var(--font-body);
            font-size: 0.65rem;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: var(--red-seal);
            margin: 0.2rem 0 0 0;
        }

        .demo-modal-close {
            background: transparent;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            padding: 0.4rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s var(--ease-silk);
        }

        .demo-modal-close:hover {
            color: var(--red-seal);
            background: rgba(192, 57, 43, 0.05);
            transform: rotate(90deg);
        }

        .demo-modal-body {
            flex: 1;
            position: relative;
            background: var(--bg-color);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .demo-modal-loader {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 1rem;
        }

        .zen-spinner {
            font-size: 2.5rem;
            color: var(--red-seal);
            animation: spin 2.5s linear infinite;
        }

        .demo-modal-loader p {
            font-family: var(--font-body);
            font-size: 0.75rem;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--text-ash);
        }

        .demo-modal-unavailable {
            text-align: center;
            max-width: 420px;
            padding: 2rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.8rem;
            animation: fadeIn 0.5s ease;
        }

        .unavailable-stamp {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            border: 2px dashed rgba(192, 57, 43, 0.25);
            color: var(--red-seal);
            font-family: var(--font-jp);
            font-size: 2.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 0.5rem;
            opacity: 0.85;
            user-select: none;
            transition: transform 0.4s var(--ease-silk), filter 0.4s, opacity 0.3s;
            cursor: pointer;
        }

        .unavailable-stamp:hover {
            transform: scale(1.08) rotate(-5deg);
            opacity: 1;
            filter: url(#ink-splash-filter);
        }

        .demo-modal-unavailable h4 {
            font-family: var(--font-title);
            font-size: 1.25rem;
            color: var(--text-main);
            margin: 0;
            font-weight: 400;
        }

        .demo-modal-unavailable p {
            font-family: var(--font-body);
            font-size: 0.82rem;
            color: var(--text-muted);
            line-height: 1.5;
            margin: 0 0 1rem 0;
        }

        .demo-modal-iframe {
            width: 100%;
            height: 100%;
            border: none;
            background: #fff;
            animation: fadeIn 0.5s ease;
        }

        body.dark-mode .demo-modal-iframe {
            background: #111;
        }

        /* Logo hold interaction styles */
        .nav-logo.holding img {
            transform: scale(0.9) !important;
            filter: drop-shadow(0 0 10px var(--red-seal)) !important;
        }

        #logo-hold-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 4px;
            width: 0%;
            background-color: var(--red-seal);
            z-index: 10000;
            transition: width 0.1s linear, opacity 0.3s ease;
            opacity: 0;
            pointer-events: none;
            box-shadow: 0 0 8px var(--red-seal);
        }

        #logo-hold-progress.active {
            opacity: 1;
        }

        /* Hide reCAPTCHA badge as we display terms in footer */
        .grecaptcha-badge {
            visibility: hidden;
        }

        /* ============================================================
           DEMO FULLSCREEN & SUGGESTION BANNER STYLES
        ============================================================ */

        /* Fullscreen state overrides for the modal container */
        #demoModal:fullscreen {
            background: var(--bg-color);
        }
        #demoModal:-webkit-full-screen {
            background: var(--bg-color);
        }
        #demoModal:-moz-full-screen {
            background: var(--bg-color);
        }
        #demoModal:-ms-fullscreen {
            background: var(--bg-color);
        }

        #demoModal:fullscreen .demo-modal-content {
            width: 100vw;
            height: 100vh;
            max-width: none;
            max-height: none;
            border: none;
            border-radius: 0;
        }
        #demoModal:-webkit-full-screen .demo-modal-content {
            width: 100vw;
            height: 100vh;
            max-width: none;
            max-height: none;
            border: none;
            border-radius: 0;
        }
        #demoModal:-moz-full-screen .demo-modal-content {
            width: 100vw;
            height: 100vh;
            max-width: none;
            max-height: none;
            border: none;
            border-radius: 0;
        }
        #demoModal:-ms-fullscreen .demo-modal-content {
            width: 100vw;
            height: 100vh;
            max-width: none;
            max-height: none;
            border: none;
            border-radius: 0;
        }

        /* Action buttons layout in the header */
        .demo-modal-header-actions {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            margin-left: auto;
        }

        /* Fullscreen header button stylings */
        .demo-modal-action-btn {
            background: transparent;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            width: 34px;
            height: 34px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s var(--ease-silk);
        }

        .demo-modal-action-btn:hover {
            color: var(--red-seal);
            background: rgba(192, 57, 43, 0.05);
            transform: scale(1.05);
        }

        .demo-modal-action-btn svg {
            display: block;
            transition: transform 0.25s var(--ease-silk);
        }

        .demo-modal-action-btn:hover svg {
            transform: scale(1.1);
        }

        /* Suggestion Banner inside Modal Body */
        .demo-modal-suggestion {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            z-index: 15;
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-color);
            padding: 0.9rem 1.8rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1.5rem;
            transform: translateY(-100%);
            opacity: 0;
            transition: transform 0.45s var(--ease-silk), opacity 0.45s var(--ease-silk);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .demo-modal-suggestion.show {
            transform: translateY(0);
            opacity: 1;
        }

        .suggestion-content {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .suggestion-icon {
            font-size: 1.25rem;
            animation: pulseDemoIcon 2s infinite ease-in-out;
        }

        .suggestion-text {
            font-family: var(--font-body);
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.4;
            font-weight: 300;
        }

        .suggestion-actions {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .btn-suggestion-action {
            background: var(--red-seal);
            color: #fff;
            border: 1px solid var(--red-seal);
            padding: 0.5rem 1.1rem;
            font-family: var(--font-body);
            font-size: 0.65rem;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            font-weight: 600;
            border-radius: 1px;
            cursor: pointer;
            white-space: nowrap;
            transition: background-color 0.3s var(--ease-silk), border-color 0.3s, color 0.3s, transform 0.2s;
        }

        .btn-suggestion-action:hover {
            background-color: var(--red-light);
            border-color: var(--red-light);
            transform: translateY(-1px);
        }

        .btn-suggestion-dismiss {
            background: transparent;
            border: 1px solid var(--border-color);
            color: var(--text-ash);
            padding: 0.48rem 1rem;
            font-family: var(--font-body);
            font-size: 0.65rem;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            border-radius: 1px;
            cursor: pointer;
            white-space: nowrap;
            transition: border-color 0.3s var(--ease-silk), color 0.3s;
        }

        .btn-suggestion-dismiss:hover {
            border-color: var(--text-muted);
            color: var(--text-main);
        }

        @keyframes pulseDemoIcon {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.15); }
        }

        /* Responsive styling for suggestion banner */
        @media (max-width: 680px) {
            .demo-modal-suggestion {
                flex-direction: column;
                align-items: stretch;
                gap: 1rem;
                padding: 1.1rem;
            }

            .suggestion-content {
                align-items: flex-start;
            }

            .suggestion-actions {
                justify-content: flex-end;
            }
        }

        /* ============================================================
           PREGUNTAS FRECUENTES (FAQ)
        ============================================================ */
        .faq {
            background: transparent;
            transition: background-color 0.4s;
            padding: 7rem 2rem; /* Fixed: Added horizontal padding to prevent text touching the screen edges */
        }

        .faq-header {
            text-align: center;
            max-width: 650px;
            margin: 0 auto 3.5rem auto;
            padding: 0 1rem;
        }

        .faq-header .section-label {
            display: inline-block;
            margin-bottom: 0.8rem;
        }

        .faq-header .section-title {
            margin-bottom: 1.2rem;
            line-height: 1.25;
            text-align: center;
        }

        .faq-header .section-body {
            margin: 0 auto;
            text-align: center;
        }

        /* Mobile Responsive Styles for FAQ */
        @media (max-width: 768px) {
            .faq {
                padding: 5rem 1.2rem;
            }
            .faq-header {
                margin-bottom: 2.2rem;
                padding: 0;
            }
            .faq-header .section-title {
                font-size: clamp(2rem, 6.5vw, 2.6rem) !important;
                margin-bottom: 0.8rem;
                line-height: 1.2;
            }
            .faq-question {
                font-size: 1.1rem !important;
                padding: 1.2rem 1.2rem !important;
            }
            .faq-answer p {
                padding: 0 1.2rem 1.2rem 1.2rem !important;
                font-size: 0.88rem !important;
            }
            .faq-icon {
                width: 24px;
                height: 24px;
                margin-left: 1rem;
            }
            .faq-icon::before {
                top: 11px;
                left: 7px;
                width: 10px;
            }
            .faq-icon::after {
                top: 7px;
                left: 11px;
                height: 10px;
            }
        }

        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem; /* Added gap between cards */
            padding: 0;
        }

        .faq-item {
            background: rgba(var(--bg-alt-rgb), 0.35);
            border: 1px solid var(--border-color) !important;
            border-left: 3px solid transparent !important; /* Visual calligraphy stroke placeholder */
            border-radius: 12px;
            transition: all 0.4s var(--ease-silk);
            overflow: hidden;
        }

        body.dark-mode .faq-item {
            background: rgba(255, 255, 255, 0.015);
        }

        /* Hover card effect */
        .faq-item:hover {
            border-color: rgba(192, 57, 43, 0.35) !important;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.02);
        }

        body.dark-mode .faq-item:hover {
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }

        /* Active card state */
        .faq-item.active {
            background: var(--bg-card);
            border-color: var(--red-seal) !important;
            border-left: 3px solid var(--red-seal) !important; /* Active brush stroke */
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
        }

        body.dark-mode .faq-item.active {
            background: rgba(20, 20, 20, 0.6);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3), 0 0 25px rgba(192, 57, 43, 0.04);
        }

        /* Disable duplicate top border on first child */
        .faq-item:first-child {
            border-top: 1px solid var(--border-color) !important;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1.5rem 1.75rem;
            cursor: pointer;
            user-select: none;
            font-family: var(--font-title); /* More elegant serif typeface instead of Sukajan Brush */
            font-size: 1.25rem;
            font-weight: 500;
            color: var(--text-main);
            transition: color 0.3s;
        }

        .faq-question:hover {
            color: var(--red-seal);
        }

        /* Circular Zen Container for Icon */
        .faq-icon {
            position: relative;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(var(--enso-color), 0.04);
            border: 1px solid var(--border-subtle);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.45s var(--ease-silk);
            flex-shrink: 0;
            margin-left: 1.5rem;
        }

        /* Center lines within the circle */
        .faq-icon::before,
        .faq-icon::after {
            content: '';
            position: absolute;
            background: var(--text-muted);
            transition: background 0.3s, transform 0.45s var(--ease-silk);
        }

        .faq-icon::before {
            top: 13px;
            left: 8px;
            width: 12px;
            height: 1.5px;
        }

        .faq-icon::after {
            top: 8px;
            left: 13px;
            width: 1.5px;
            height: 12px;
        }

        /* Active icon state */
        .faq-item.active .faq-icon {
            transform: rotate(135deg);
            background: var(--red-seal);
            border-color: var(--red-seal);
        }

        .faq-item.active .faq-icon::before,
        .faq-item.active .faq-icon::after {
            background: #ffffff; /* Turn white on active red background */
        }

        /* Answer styles */
        .faq-answer {
            display: grid;
            grid-template-rows: 0fr;
            transition: grid-template-rows 0.45s var(--ease-silk);
            overflow: hidden;
        }

        .faq-answer p {
            min-height: 0;
            padding: 0 1.75rem 1.5rem 1.75rem;
            font-size: 0.92rem;
            line-height: 1.8;
            color: var(--text-muted);
            transition: color 0.4s;
        }

        .faq-item.active .faq-answer {
            grid-template-rows: 1fr;
        }

        /* Pulsing ink ripples */
        .cta-pulse-ring {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            border-radius: 50%;
            border: 1px solid var(--red-seal);
            pointer-events: none;
            z-index: 1;
            animation: ctaRingPulse 2.8s cubic-bezier(0.1, 0.8, 0.25, 1) infinite;
        }

        .cta-pulse-ring.delay {
            animation-delay: 1.4s;
        }

        @keyframes ctaRingPulse {
            0% {
                transform: scale(1);
                opacity: 0.8;
            }
            100% {
                transform: scale(1.9);
                opacity: 0;
            }
        }

        /* Show on mobile/responsive views only (<= 900px) */
        @media (min-width: 901px) {
            .floating-contact-cta {
                display: none !important;
            }
        }

        /* ============================================================
           PREMIUM CONTACT MODAL DESIGN (Zen Sumi-e Glass)
        ============================================================ */
        #contactModal {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 1rem;
        }

        #contactModal .demo-modal-backdrop {
            background: rgba(var(--bg-color-rgb), 0.7);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: background 0.4s ease;
        }

        #contactModal .demo-modal-content {
            width: 100%;
            max-width: 450px;
            height: auto;
            max-height: 90vh;
            background: var(--bg-card); /* Adaptive background */
            border: 1px solid var(--border-color);
            border-radius: 16px;
            box-shadow: 0 25px 60px rgba(0, 0, 0, 0.08);
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            padding: 2.5rem 2rem;
            color: var(--text-main);
            position: relative;
            align-self: center;
            margin: auto;
            transform: translateY(30px) scale(0.97);
            transition: transform 0.4s var(--ease-silk), background-color 0.4s var(--ease-silk), border-color 0.4s, color 0.4s;
        }

        body.dark-mode #contactModal .demo-modal-content {
            background: #141414; /* Keep deep lacquer black for dark mode */
            box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
        }

        /* Traditional Japanese Red Signature Stamp (Hanko) */
        #contactModal .demo-modal-content::after {
            content: '和'; /* "Wa" - Harmony */
            position: absolute;
            bottom: 0.6rem;
            right: 2rem;
            font-size: 1.15rem;
            font-family: var(--font-callig), var(--font-jp), serif;
            color: rgba(192, 57, 43, 0.22);
            border: 1.5px solid rgba(192, 57, 43, 0.22);
            padding: 1px 5px;
            border-radius: 3px;
            line-height: 1.05;
            font-weight: bold;
            pointer-events: none;
            user-select: none;
            transform: rotate(-6deg);
            transition: all 0.4s var(--ease-silk);
            z-index: 12;
        }

        #contactModal:focus-within .demo-modal-content::after {
            color: rgba(192, 57, 43, 0.65) !important;
            border-color: rgba(192, 57, 43, 0.65) !important;
            transform: rotate(-6deg) scale(1.08);
            text-shadow: 0 0 6px rgba(192, 57, 43, 0.15);
        }

        #contactModal.open .demo-modal-content {
            transform: translateY(0) scale(1);
        }

        #contactModal .demo-modal-header {
            border: none;
            padding: 0 0 1.5rem 0;
            position: relative;
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            background: transparent !important;
        }

        #contactModal .demo-modal-title {
            font-family: var(--font-callig);
            font-size: 1.65rem;
            color: var(--text-main);
            margin-bottom: 0.4rem;
            font-weight: 500;
        }

        #contactModal .demo-modal-subtitle {
            font-size: 0.8rem;
            color: var(--text-muted);
            text-transform: none;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }

        #contactModal .demo-modal-kanji-watermark {
            position: absolute;
            right: 2.5rem;
            top: -0.5rem;
            font-size: 4rem;
            color: rgba(192, 57, 43, 0.08); /* Soft red stamp */
            font-family: var(--font-callig);
            user-select: none;
            pointer-events: none;
        }

        body.dark-mode #contactModal .demo-modal-kanji-watermark {
            color: rgba(192, 57, 43, 0.12);
        }

        #contactModal .demo-modal-close {
            background: rgba(0, 0, 0, 0.03);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-muted);
            cursor: pointer;
            transition: all 0.3s ease;
            position: absolute;
            right: 0;
            top: 0;
        }

        body.dark-mode #contactModal .demo-modal-close {
            background: rgba(255, 255, 255, 0.05);
            color: #a0a0a0;
        }

        #contactModal .demo-modal-close:hover {
            background: var(--red-seal);
            color: #fff;
            border-color: var(--red-seal);
            transform: rotate(90deg);
        }

        #contactModal .demo-modal-body {
            background: transparent !important;
            margin-top: 0;
            padding: 0;
            overflow: visible;
        }

        /* Form styling inside modal */
        #contactModal .contact-form {
            gap: 1.2rem;
            display: flex;
            flex-direction: column;
        }

        #contactModal .form-group {
            display: flex;
            flex-direction: column;
            gap: 0.4rem;
            position: relative;
        }

        #contactModal .form-group label {
            font-size: 0.65rem;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--text-muted);
            font-weight: 500;
            margin-bottom: 0.1rem;
        }

        #contactModal .form-group:focus-within label {
            color: var(--red-seal) !important;
            text-shadow: 0 0 8px rgba(192, 57, 43, 0.25) !important;
            transition: color 0.3s ease;
        }

        #contactModal .form-group input,
        #contactModal .form-group select,
        #contactModal .form-group textarea {
            background: var(--bg-color) !important; /* Soft paper white or lacquer gray */
            border: 1px solid var(--border-color) !important;
            border-left: 3px solid transparent !important; /* Visual anchor for calligraphy focus effect */
            border-radius: 8px !important;
            color: var(--text-main) !important;
            padding: 0.75rem 0.9rem !important;
            font-size: 0.9rem !important;
            transition: all 0.35s var(--ease-silk) !important;
            box-sizing: border-box !important;
            width: 100% !important;
            outline: none !important;
            box-shadow: none !important;
            font-family: var(--font-body) !important;
        }

        #contactModal .form-group input::placeholder,
        #contactModal .form-group textarea::placeholder {
            color: var(--text-ash) !important;
            opacity: 0.7;
        }

        #contactModal .form-group input:hover,
        #contactModal .form-group select:hover,
        #contactModal .form-group textarea:hover {
            border-color: var(--text-ash) !important;
        }

        #contactModal .form-group input:focus,
        #contactModal .form-group select:focus,
        #contactModal .form-group textarea:focus {
            border-color: var(--red-seal) !important;
            border-left-color: var(--red-seal) !important; /* Calligraphy brush stroke highlight */
            background: var(--bg-card) !important;
            box-shadow: 0 0 12px rgba(192, 57, 43, 0.12) !important;
        }

        #contactModal .form-group textarea {
            min-height: 90px !important;
            height: 90px !important;
            resize: none !important;
        }

        /* Style select dropdown inside modal */
        #contactModal select {
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23888888'%3E%3Cpath d='M7 10l5 5 5-5H7z'/%3E%3C/svg%3E") !important;
            background-repeat: no-repeat !important;
            background-position: right 0.75rem center !important;
            background-size: 20px !important;
            padding-right: 2.2rem !important;
        }

        #contactModal select option {
            background-color: var(--bg-card) !important;
            color: var(--text-main) !important;
        }

        #contactModal select option:disabled {
            color: var(--text-ash) !important;
        }

        /* Submit Button inside modal */
        #contactModal .btn-primary {
            background: linear-gradient(135deg, var(--red-seal), #922b21) !important;
            border: none !important;
            border-radius: 8px !important;
            color: #fff !important;
            font-size: 0.85rem !important;
            font-weight: 500 !important;
            letter-spacing: 0.15em !important;
            text-transform: uppercase !important;
            padding: 0.9rem !important;
            cursor: pointer !important;
            transition: all 0.3s ease !important;
            box-shadow: 0 4px 15px rgba(192, 57, 43, 0.3) !important;
            margin-top: 0.5rem !important;
            width: 100% !important;
            display: block !important;
        }

        #contactModal .btn-primary:hover {
            transform: translateY(-2px) !important;
            box-shadow: 0 6px 20px rgba(192, 57, 43, 0.5) !important;
            background: linear-gradient(135deg, #a93226, var(--red-seal)) !important;
        }

        #contactModal .btn-primary:active {
            transform: translateY(0) scale(0.98) !important;
            box-shadow: 0 2px 10px rgba(192, 57, 43, 0.25) !important;
        }

        /* Custom Scrollbar for Modal content if it overflows */
        #contactModal .demo-modal-content::-webkit-scrollbar {
            width: 5px;
        }
        #contactModal .demo-modal-content::-webkit-scrollbar-track {
            background: transparent;
        }
        #contactModal .demo-modal-content::-webkit-scrollbar-thumb {
            background: rgba(var(--enso-color), 0.1);
            border-radius: 10px;
        }
        #contactModal .demo-modal-content::-webkit-scrollbar-thumb:hover {
            background: var(--red-seal);
        }

        /* Decorative Calligraphic Section Hanko Seal Stamp */
        .hanko-seal {
            display: inline-block;
            font-size: 1.1rem;
            font-family: var(--font-callig), var(--font-jp), serif;
            color: rgba(192, 57, 43, 0.75);
            border: 1.5px solid rgba(192, 57, 43, 0.75);
            padding: 1px 4px;
            border-radius: 3px;
            line-height: 1.05;
            font-weight: bold;
            vertical-align: middle;
            user-select: none;
            pointer-events: none;
            transition: all 0.3s ease;
            box-shadow: 0 0 0 rgba(0, 0, 0, 0);
        }

        body.dark-mode .hanko-seal {
            color: rgba(192, 57, 43, 0.85);
            border-color: rgba(192, 57, 43, 0.85);
            box-shadow: 0 0 8px rgba(192, 57, 43, 0.2);
        }

        /* Stamp animation on scroll reveal */
        .section-title.reveal .hanko-seal {
            opacity: 0;
            transform: rotate(-30deg) scale(2.2) translateY(-12px);
            transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            transition-delay: 0.6s; /* Stamp down after the title text completes its reveal */
            display: inline-block;
        }

        .section-title.reveal.visible .hanko-seal {
            opacity: 1;
            transform: rotate(-6deg) scale(1) translateY(-8px);
        }

        /* ============================================================
           RESPONSIVE STYLE FOR PREMIUM CONTACT MODAL (Mobile Views)
           ============================================================ */
        @media (max-width: 600px) {
            #contactModal {
                padding: 0;
                align-items: flex-end; /* Modern bottom-sheet drawer look */
            }

            #contactModal .demo-modal-backdrop {
                background: rgba(var(--bg-color-rgb), 0.85); /* Darker blur relative to current theme */
            }

            #contactModal .demo-modal-content {
                max-width: 100%;
                width: 100%;
                border-radius: 24px 24px 0 0; /* Rounded top corners, flat bottom for bottom-sheet */
                max-height: 85vh; /* Keep form perfectly visible within mobile viewport */
                padding: 1.5rem 1.25rem 2.5rem 1.25rem; /* Compact padding for space, bottom padding for mobile home indicators */
                margin: 0;
                border-left: none;
                border-right: none;
                border-bottom: none;
                transform: translateY(100%) scale(1); /* Slide-up transition */
                box-shadow: 0 -15px 40px rgba(0, 0, 0, 0.1), 0 0 50px rgba(192, 57, 43, 0.05);
                transition: transform 0.4s var(--ease-silk), opacity 0.4s var(--ease-silk);
            }

            body.dark-mode #contactModal .demo-modal-content {
                box-shadow: 0 -15px 40px rgba(0, 0, 0, 0.7), 0 0 50px rgba(192, 57, 43, 0.08);
            }

            /* Adjust Hanko stamp position inside mobile sheet */
            #contactModal .demo-modal-content::after {
                bottom: 0.75rem;
                right: 1.25rem;
                font-size: 1rem;
            }

            /* Swipe handle / drag bar indicator */
            #contactModal .demo-modal-content::before {
                content: '';
                display: block;
                width: 44px;
                height: 4px;
                background: rgba(var(--enso-color), 0.15); /* Dark pill in light mode, light pill in dark mode */
                border-radius: 4px;
                margin: -0.5rem auto 1.2rem auto;
            }

            #contactModal.open .demo-modal-content {
                transform: translateY(0) scale(1);
            }

            #contactModal .demo-modal-header {
                display: block;
                text-align: center;
                padding: 0 0 1.2rem 0;
                margin-bottom: 0.8rem;
                position: relative;
                border-bottom: 1px solid var(--border-subtle);
                background: transparent !important;
            }

            #contactModal .demo-modal-header > div:first-child {
                margin: 0 auto;
                padding-right: 1.75rem;
                padding-left: 1.75rem;
            }

            #contactModal .demo-modal-header-actions {
                position: absolute;
                right: 0;
                top: 0;
            }

            #contactModal .demo-modal-title {
                font-size: 1.4rem;
                line-height: 1.2;
            }

            #contactModal .demo-modal-subtitle {
                font-size: 0.78rem;
                margin-top: 0.2rem;
            }

            #contactModal .demo-modal-kanji-watermark {
                font-size: 3.5rem;
                left: 50%;
                top: -1rem;
                transform: translateX(-50%);
                opacity: 0.05;
                right: auto;
            }

            #contactModal .demo-modal-close {
                width: 32px;
                height: 32px;
            }

            #contactModal .contact-form {
                gap: 1rem;
            }

            #contactModal .form-group {
                gap: 0.25rem;
            }

            #contactModal .form-group label {
                font-size: 0.58rem;
                letter-spacing: 0.12em;
            }

            #contactModal .form-group input,
            #contactModal .form-group select,
            #contactModal .form-group textarea {
                padding: 0.7rem 0.8rem !important;
                font-size: 0.85rem !important;
                border-radius: 8px !important;
            }

            #contactModal .form-group textarea {
                min-height: 75px !important;
                height: 75px !important;
            }

            #contactModal .btn-primary {
                padding: 0.85rem !important;
                font-size: 0.82rem !important;
                letter-spacing: 0.15em !important;
                margin-top: 0.75rem !important;
            }
        }