:root {
            /* Theme tokens (default: dark) */
            --bg-0: #05030a;
            --bg-1: #0b0617;
            --bg-2: #170b2f;

            --surface: rgba(19, 17, 27, 0.65);
            --surface-elevated: rgba(14, 11, 26, 0.68);
            --surface-elevated-2: rgba(14, 11, 26, 0.75);
            --surface-overlay: rgba(9, 7, 18, 0.9);

            --glass-highlight: rgba(255, 255, 255, 0.04);
            --border: rgba(255, 255, 255, 0.12);
            --border-subtle: rgba(255, 255, 255, 0.08);

            --ink: #f7f7ff;
            --ink-secondary: rgba(247, 247, 255, 0.82);
            --ink-muted: rgba(247, 247, 255, 0.72);

            --accent: #b11257;
            --accent-2: #7c3aed;
            --accent-3: #28f0a2;
            --accent-4: #21c7ff;

            --shadow-lg: 0 50px 120px rgba(5, 3, 15, 0.55);
            --shadow-md: 0 25px 70px rgba(5, 3, 15, 0.45);
            --shadow-sm: 0 15px 40px rgba(5, 3, 15, 0.35);

            /* Background glows (used by body gradient) */
            --bg-glow-1: rgba(124, 58, 237, 0.16);
            --bg-glow-2: rgba(177, 18, 87, 0.18);
            --bg-glow-3: rgba(33, 199, 255, 0.08);

            /* Layout */
            --header-offset: 96px;

            /* Component surfaces */
            --header-bg: rgba(9, 7, 18, 0.55);
            --header-border: rgba(255, 255, 255, 0.07);
            --nav-mobile-bg: var(--surface-overlay);
            --control-bg: rgba(5, 3, 15, 0.6);
            --control-border: rgba(255, 255, 255, 0.18);

            /* Compatibility tokens for `css/enhanced-v2.css` */
            --color-bg: var(--bg-0);
            --color-surface: var(--surface);
            --color-text: var(--ink);
            --color-text-secondary: var(--ink-secondary);
            --color-text-muted: var(--ink-muted);
            --color-accent: var(--accent);
            --color-accent-secondary: var(--accent-2);

            --font-sans: "Inter", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
            --font-display: "Fraunces", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", serif;
            --font-mono: "SFMono-Regular", Menlo, Consolas, monospace;

            color-scheme: dark;
        }

        /* Light Theme - Clean, Professional */
        [data-theme="light"] {
            --bg-0: #fafafa;
            --bg-1: #f5f5f5;
            --bg-2: #f5f5f5;

            --surface: rgba(255, 255, 255, 0.95);
            --surface-elevated: rgba(255, 255, 255, 0.97);
            --surface-elevated-2: rgba(255, 255, 255, 0.98);
            --surface-overlay: rgba(255, 255, 255, 0.96);

            --ink: #1a1a2e;
            --ink-secondary: rgba(26, 26, 46, 0.86);
            --ink-muted: rgba(26, 26, 46, 0.78);

            --accent: #a01850;
            --accent-2: #5b1a90;
            --accent-3: #0a7c72;
            --accent-4: #025a8c;

            --border: rgba(0, 0, 0, 0.12);
            --border-subtle: rgba(0, 0, 0, 0.08);
            --glass-highlight: rgba(0, 0, 0, 0.05);

            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.1);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.05);

            --bg-glow-1: rgba(160, 24, 80, 0.06);
            --bg-glow-2: rgba(91, 26, 144, 0.06);
            --bg-glow-3: rgba(2, 90, 140, 0.045);

            --header-bg: rgba(255, 255, 255, 0.92);
            --header-border: rgba(0, 0, 0, 0.08);
            --nav-mobile-bg: rgba(255, 255, 255, 0.96);
            --control-bg: rgba(255, 255, 255, 0.8);
            --control-border: rgba(0, 0, 0, 0.12);

            color-scheme: light;
        }

        /* Light Warm Theme - Softer, Elegant */
        [data-theme="light-warm"] {
            --bg-0: #fefcf9;
            --bg-1: #f9f6f2;
            --bg-2: #f9f6f2;

            --surface: rgba(255, 253, 250, 0.95);
            --surface-elevated: rgba(255, 253, 251, 0.97);
            --surface-elevated-2: rgba(252, 249, 245, 0.98);
            --surface-overlay: rgba(255, 253, 250, 0.96);

            --ink: #3d3730;
            --ink-secondary: rgba(61, 55, 48, 0.86);
            --ink-muted: rgba(61, 55, 48, 0.78);

            --accent: #a53509;
            --accent-2: #8a5306;
            --accent-3: #0a7c72;
            --accent-4: #6b32cc;

            --border: rgba(61, 55, 48, 0.14);
            --border-subtle: rgba(61, 55, 48, 0.1);
            --glass-highlight: rgba(61, 55, 48, 0.04);

            --shadow-lg: 0 8px 40px rgba(61, 55, 48, 0.1);
            --shadow-md: 0 6px 24px rgba(61, 55, 48, 0.08);
            --shadow-sm: 0 2px 12px rgba(61, 55, 48, 0.05);

            --bg-glow-1: rgba(165, 53, 9, 0.06);
            --bg-glow-2: rgba(138, 83, 6, 0.055);
            --bg-glow-3: rgba(107, 50, 204, 0.04);

            --header-bg: rgba(255, 253, 250, 0.92);
            --header-border: rgba(61, 55, 48, 0.1);
            --nav-mobile-bg: rgba(255, 253, 250, 0.96);
            --control-bg: rgba(255, 253, 250, 0.82);
            --control-border: rgba(61, 55, 48, 0.14);

            color-scheme: light;
        }

        /* Neon Theme - Purposefully vivid (optional) */
        [data-theme="neon"] {
            --bg-0: #000000;
            --bg-1: #0a0a0a;
            --bg-2: #0a0a0a;

            --surface: rgba(15, 15, 25, 0.85);
            --surface-elevated: rgba(15, 15, 25, 0.95);
            --surface-elevated-2: rgba(20, 20, 35, 0.98);
            --surface-overlay: rgba(10, 10, 16, 0.92);

            --ink: #ffffff;
            --ink-secondary: rgba(255, 255, 255, 0.9);
            --ink-muted: rgba(255, 255, 255, 0.82);

            --accent: #ff0080;
            --accent-2: #00ffff;
            --accent-3: #ffff00;
            --accent-4: #ff00ff;

            --border: rgba(255, 255, 255, 0.14);
            --border-subtle: rgba(255, 255, 255, 0.1);
            --glass-highlight: rgba(255, 255, 255, 0.06);

            --shadow-lg: 0 40px 120px rgba(255, 0, 128, 0.35);
            --shadow-md: 0 25px 70px rgba(255, 0, 128, 0.25);
            --shadow-sm: 0 10px 40px rgba(255, 0, 128, 0.15);

            --bg-glow-1: rgba(255, 0, 128, 0.12);
            --bg-glow-2: rgba(0, 255, 255, 0.08);
            --bg-glow-3: rgba(255, 255, 0, 0.06);

            --header-bg: rgba(0, 0, 0, 0.7);
            --header-border: rgba(255, 255, 255, 0.14);
            --nav-mobile-bg: rgba(0, 0, 0, 0.88);
            --control-bg: rgba(0, 0, 0, 0.65);
            --control-border: rgba(255, 255, 255, 0.2);

            color-scheme: dark;
        }

        /* Note: Light mode styles are handled via data-theme attribute in enhanced.css */
        /* The prefers-color-scheme media query is no longer used to avoid conflicts */

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--header-offset);
        }

        body {
            min-height: 100vh;
            font-family: var(--font-sans);
            color: var(--ink);
            background: radial-gradient(circle at 15% 20%, var(--bg-glow-1), transparent 45%),
                        radial-gradient(circle at 85% 15%, var(--bg-glow-2), transparent 40%),
                        radial-gradient(circle at 50% 80%, var(--bg-glow-3), transparent 50%),
                        linear-gradient(140deg, var(--bg-0), var(--bg-1) 35%, var(--bg-2));
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

        /* Better anchor positioning with fixed header */
        [id] {
            scroll-margin-top: var(--header-offset);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-display);
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        ::selection {
            background: rgba(177, 18, 87, 0.6);
            color: var(--ink);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        .skip-link {
            position: absolute;
            top: -100px;
            left: 12px;
            padding: 0.75rem 1.25rem;
            background: var(--accent);
            color: #fff;
            border-radius: 999px;
            transition: top 0.2s ease;
            z-index: 1000;
        }

        .skip-link:focus {
            top: 20px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 500;
            padding: 1.35rem 6vw;
            display: flex;
            justify-content: center;
            backdrop-filter: blur(18px);
            background: var(--header-bg);
            border-bottom: 1px solid var(--header-border);
        }

        .nav {
            width: min(1200px, 100%);
            display: flex;
            align-items: center;
            gap: 1.5rem;
            justify-content: space-between;
        }

        .nav__brand {
            font-weight: 800;
            letter-spacing: 0.3em;
            text-transform: uppercase;
            font-size: 0.95rem;
        }

        .nav__toggle {
            display: none;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            border-radius: 999px;
            border: 1px solid var(--control-border);
            background: var(--control-bg);
            color: var(--ink);
            letter-spacing: 0.18em;
            text-transform: uppercase;
            font-size: 0.7rem;
            cursor: pointer;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .nav__toggle:hover,
        .nav__toggle:focus {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
        }

        .nav__toggle[aria-expanded="true"] {
            background: rgba(255, 255, 255, 0.18);
        }

        .nav__list {
            list-style: none;
            display: flex;
            gap: 1.25rem;
            align-items: center;
            flex-wrap: nowrap;
        }

        .nav__link {
            font-size: 0.68rem;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--ink-muted);
            transition: color 0.25s ease;
            position: relative;
            padding-bottom: 4px;
            white-space: nowrap;
        }

        .nav__link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--accent-2));
            transition: width 0.3s ease;
            border-radius: 1px;
        }

        .nav__link:hover::after,
        .nav__link:focus::after {
            width: 100%;
        }

        .nav__link:hover,
        .nav__link:focus {
            color: var(--ink);
        }

        .hero {
            position: relative;
            min-height: 108vh;
            /* Keep vertical rhythm, but align horizontal gutters with `.section` */
            padding: clamp(6rem, 12vh, 10rem) 0 9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(5, 3, 15, 0.88) 10%, rgba(19, 17, 27, 0.35) 70%);
            pointer-events: none;
            z-index: 1;
        }

        .hero__canvas {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            pointer-events: none;
        }

        .hero__content {
            position: relative;
            z-index: 2;
            width: min(1200px, 100%);
            padding-inline: clamp(1.5rem, 6vw, 4rem);
            display: grid;
            gap: clamp(1.5rem, 2vw, 2.5rem);
            text-align: left;
        }

        .eyebrow {
            letter-spacing: 0.32em;
            text-transform: uppercase;
            font-size: 0.78rem;
            color: var(--ink-muted);
        }

        .hero__title {
            font-size: clamp(3rem, 6vw, 5.5rem);
            font-weight: 800;
            line-height: 1.05;
        }

        .gradient-text {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 45%, rgba(33, 199, 255, 0.9));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero__description {
            font-size: clamp(1rem, 1.2vw, 1.2rem);
            color: var(--ink-muted);
            max-width: 680px;
        }

        .hero__cta {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .button {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 0.9rem 1.8rem;
            border-radius: 999px;
            font-size: 0.82rem;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            font-weight: 600;
            border: 1px solid transparent;
            transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
            cursor: pointer;
            background: linear-gradient(120deg, rgba(177, 18, 87, 0.95), rgba(124, 58, 237, 0.9));
            color: #fff;
            box-shadow: var(--shadow-sm);
        }

        .button:hover,
        .button:focus {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .button:active {
            transform: translateY(0) scale(0.98);
            box-shadow: var(--shadow-sm);
            transition-duration: 0.1s;
        }

        .button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 4px;
        }

        .button--ghost {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.2);
            color: var(--ink);
        }

        .button--ghost:hover,
        .button--ghost:focus {
            background: rgba(255, 255, 255, 0.04);
            border-color: var(--accent);
        }

        .button--ghost:active {
            background: rgba(255, 255, 255, 0.08);
        }

        .hero__meta {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1rem;
        }

        .hero__meta-item {
            padding: 1.4rem 1.5rem;
            border-radius: 20px;
            background: var(--surface);
            border: 1px solid var(--glass-highlight);
            box-shadow: var(--shadow-sm);
        }

        .hero__meta-item dt {
            letter-spacing: 0.24em;
            text-transform: uppercase;
            font-size: 0.68rem;
            color: var(--ink-muted);
            margin-bottom: 0.45rem;
        }

        .hero__meta-item dd {
            font-family: var(--font-mono);
            font-size: 1.1rem;
        }

        .scroll-hint {
            position: absolute;
            left: 50%;
            bottom: clamp(2.5rem, 6vw, 4rem);
            transform: translateX(-50%);
            display: grid;
            justify-items: center;
            gap: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.22em;
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.7);
            z-index: 3;
        }

        .scroll-hint__bar {
            position: relative;
            width: 220px;
            height: 2px;
            background: rgba(255, 255, 255, 0.18);
            border-radius: 999px;
            overflow: hidden;
        }

        .scroll-hint__bar::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, var(--accent), var(--accent-2));
            animation: auto-scroll 15s linear forwards;
        }

        .scroll-hint.is-paused .scroll-hint__bar::after {
            animation-play-state: paused;
        }

        .scroll-hint__actions {
            display: flex;
            gap: 0.75rem;
        }

        .scroll-hint__action,
        .scroll-hint__pause {
            background: rgba(0, 0, 0, 0.25);
            color: var(--ink);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 999px;
            padding: 0.45rem 1rem;
            font-size: 0.65rem;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            transition: background 0.2s ease, color 0.2s ease;
        }

        .scroll-hint__action:hover,
        .scroll-hint__action:focus,
        .scroll-hint__pause:hover,
        .scroll-hint__pause:focus {
            background: rgba(255, 255, 255, 0.18);
        }

        .scroll-hint__pause[aria-pressed="true"] {
            background: rgba(255, 255, 255, 0.28);
        }

        .sections-wrapper {
            display: grid;
            gap: clamp(5rem, 9vw, 9rem);
            padding-top: 3rem;
        }

        .section {
            position: relative;
            width: min(1200px, 100%);
            margin: 0 auto;
            padding: clamp(4rem, 6vw, 6rem) clamp(1.5rem, 6vw, 4rem);
            border-radius: 34px;
            background: var(--surface);
            border: 1px solid var(--glass-highlight);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
        }

        .section--plain {
            background: transparent;
            border: none;
            box-shadow: none;
        }

        .section__header {
            display: grid;
            gap: 0.8rem;
            margin-bottom: clamp(2.5rem, 4vw, 3.5rem);
        }

        .section__title {
            font-size: clamp(2rem, 4vw, 3.1rem);
            line-height: 1.1;
        }

        .section__description {
            max-width: 720px;
            color: var(--ink-muted);
        }

        .about__grid {
            display: grid;
            gap: 2.5rem;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        }

        .glass-card {
            padding: 2.25rem;
            border-radius: 24px;
            background: var(--surface-elevated);
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-sm);
        }

        .glass-card p + p {
            margin-top: 1.1rem;
        }

        /* Subtle glow effect on hover for cards */
        .glow-on-hover {
            position: relative;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        .glow-on-hover:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(177, 18, 87, 0.15), 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .glow-on-hover:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 4px;
        }

        .about__highlights {
            display: grid;
            gap: 1.1rem;
            list-style: none;
        }

        .about__highlights li {
            display: flex;
            gap: 0.8rem;
            align-items: flex-start;
        }

        .about__highlights span {
            display: inline-flex;
            width: 0.55rem;
            height: 0.55rem;
            border-radius: 50%;
            background: linear-gradient(120deg, var(--accent), var(--accent-3));
            margin-top: 0.45rem;
        }

        .about__highlights p {
            color: var(--ink-muted);
            font-size: 0.98rem;
        }

        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem;
            margin-top: 1.8rem;
        }

        .tag {
            padding: 0.45rem 0.9rem;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.74rem;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .tag:hover {
            transform: translateY(-2px);
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.15);
            box-shadow: 0 4px 12px rgba(177, 18, 87, 0.12);
        }

        .immersive {
            position: relative;
            border-radius: 40px;
            overflow: hidden;
            min-height: clamp(68vh, 85vh, 95vh);
            display: grid;
            place-items: center;
            padding: 0;
        }

        .immersive__canvas {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            z-index: 0;
            pointer-events: none;
        }

        .immersive__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(140deg, rgba(0, 12, 8, 0.85) 15%, rgba(0, 12, 22, 0.35) 65%);
            z-index: 1;
            pointer-events: none;
        }

        .immersive__content {
            position: relative;
            z-index: 2;
            padding: clamp(4rem, 8vw, 6rem);
            width: min(1200px, 100%);
            padding-inline: clamp(1.5rem, 6vw, 4rem);
            display: grid;
            gap: clamp(2rem, 3vw, 3rem);
        }

        .metric-grid {
            display: grid;
            gap: 1.5rem;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }

        .metric {
            padding: 1.5rem 1.6rem;
            border-radius: 20px;
            background: var(--surface-elevated);
            border: 1px solid var(--border-subtle);
        }

        .metric dt {
            font-size: 0.72rem;
            letter-spacing: 0.24em;
            text-transform: uppercase;
            color: var(--ink-muted);
            margin-bottom: 0.5rem;
        }

        .metric dd {
            font-family: var(--font-mono);
            font-size: 1.35rem;
            color: var(--ink);
        }

        .projects-grid {
            display: grid;
            gap: 2rem;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        }

        .project-card {
            position: relative;
            padding: 2rem;
            border-radius: 26px;
            background: var(--surface-elevated-2);
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-sm);
            display: grid;
            gap: 1.25rem;
        }

        .project-card::before {
            content: "";
            position: absolute;
            inset: 0;
            border-radius: inherit;
            background: radial-gradient(circle at 20% 20%, rgba(177, 18, 87, 0.22), transparent 55%);
            opacity: 0.7;
            pointer-events: none;
        }

        .project-card strong {
            font-size: 1.05rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
        }

        .project-card p {
            color: var(--ink-muted);
        }

        .project-card ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 0.65rem;
        }

        .project-card li {
            font-size: 0.72rem;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            padding: 0.35rem 0.75rem;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .timeline {
            display: grid;
            gap: 1.6rem;
        }

        .timeline__item {
            display: grid;
            gap: 0.35rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .timeline__item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .timeline__meta {
            font-size: 0.73rem;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.55);
        }

        .timeline__title {
            font-size: 1.2rem;
            font-weight: 600;
        }

        .timeline__body {
            color: var(--ink-muted);
        }

        .testimonials {
            display: grid;
            gap: 1.5rem;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        }

        .quote-card {
            padding: 2rem;
            border-radius: 26px;
            background: var(--surface-elevated-2);
            border: 1px solid var(--border-subtle);
            box-shadow: var(--shadow-sm);
            display: grid;
            gap: 1rem;
        }

        .quote-card p {
            color: var(--ink-muted);
        }

        .quote-card span {
            font-size: 0.72rem;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: rgba(255, 255, 255, 0.6);
        }

        .contact-section {
            text-align: center;
            padding: clamp(4rem, 6vw, 6rem);
            border-radius: 34px;
            background: linear-gradient(135deg, rgba(177, 18, 87, 0.85), rgba(124, 58, 237, 0.85));
            box-shadow: var(--shadow-lg);
        }

        .contact-section .section__title {
            margin-bottom: 1.2rem;
        }

        .contact-section p {
            color: rgba(255, 255, 255, 0.82);
            max-width: 640px;
            margin: 0 auto 2rem;
        }

        .site-footer {
            padding: 3rem 6vw 4rem;
            text-align: center;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.82rem;
            letter-spacing: 0.12em;
            text-transform: uppercase;
        }

        @keyframes auto-scroll {
            from {
                transform: translateX(-100%);
            }
            to {
                transform: translateX(0%);
            }
        }

        @media (max-width: 960px) {
            .nav__list {
                gap: 1rem;
                font-size: 0.7rem;
            }

            .nav__link {
                font-size: 0.7rem;
            }

            .hero__content {
                text-align: left;
            }
        }

        @media (max-width: 768px) {
            .nav {
                position: relative;
            }

            .nav__toggle {
                display: inline-flex;
            }

            .nav__list {
                position: absolute;
                top: calc(100% + 0.75rem);
                right: 0;
                display: flex;
                flex-direction: column;
                gap: 0.5rem;
                padding: 1.25rem;
                background: var(--nav-mobile-bg);
                border-radius: 20px;
                border: 1px solid var(--border);
                box-shadow: var(--shadow-sm);
                width: min(260px, 80vw);
                max-height: 0;
                overflow: hidden;
                opacity: 0;
                pointer-events: none;
                transition: max-height 0.3s ease, opacity 0.2s ease;
            }

            .nav__list.is-open {
                max-height: calc(100vh - 8rem);
                opacity: 1;
                pointer-events: auto;
                overflow-y: auto;
                -webkit-overflow-scrolling: touch;
            }

            .nav__list li {
                width: 100%;
            }

            .nav__link {
                display: block;
                padding: 0.45rem 0.25rem;
            }

            .hero {
                padding-top: clamp(7.5rem, 16vw, 9rem);
            }

            .hero__meta {
                grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            }

            .section {
                border-radius: 28px;
                padding: clamp(3rem, 8vw, 4rem) clamp(1.2rem, 6vw, 2rem);
            }

            .immersive {
                border-radius: 30px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.001ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.001ms !important;
                scroll-behavior: auto !important;
            }

            .scroll-hint {
                display: none;
            }
        }

        .eyebrow--neuro {
            color: rgba(40, 240, 162, 0.7);
        }

        .eyebrow--ai {
            color: rgba(33, 199, 255, 0.75);
        }

        .eyebrow--contact {
            color: rgba(255, 255, 255, 0.78);
        }

        .immersive__overlay--ai {
            background: linear-gradient(140deg, rgba(0, 8, 16, 0.82) 15%, rgba(0, 12, 32, 0.4) 65%);
        }