/* ═══════════════════════════════════════════════
           DESIGN TOKENS — Brand Guide v1.0
           ═══════════════════════════════════════════════ */
        :root {
            --slate-50:  #f8fafc;
            --slate-100: #f1f5f9;
            --slate-200: #e2e8f0;
            --slate-300: #cbd5e1;
            --slate-400: #94a3b8;
            --slate-500: #64748b;
            --slate-600: #475569;
            --slate-700: #334155;
            --slate-800: #1e293b;
            --slate-900: #0f172a;
            --orange-400: #fb923c;
            --orange-500: #f97316;
            --orange-600: #ea580c;
            --white:     #ffffff;

            --font-body:    'Inter', system-ui, -apple-system, sans-serif;
            --font-display: 'Instrument Serif', Georgia, serif;

            --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
            --ease-out-quint: cubic-bezier(0.22, 1, 0.36, 1);
        }

        /* ═══════════════════════════════════════════════
           RESET & BASE
           ═══════════════════════════════════════════════ */
        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-body);
            color: var(--slate-900);
            line-height: 1.6;
            background: var(--white);
            overflow-x: hidden;
        }
        img, svg { display: block; max-width: 100%; }
        a { text-decoration: none; color: inherit; }

        /* ═══════════════════════════════════════════════
           UTILITY
           ═══════════════════════════════════════════════ */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .sr-only {
            position: absolute; width: 1px; height: 1px;
            padding: 0; margin: -1px; overflow: hidden;
            clip: rect(0,0,0,0); border: 0;
        }

        /* Scroll-triggered reveal */
        .reveal {
            opacity: 0;
            transform: translateY(32px);
            transition: opacity 0.8s var(--ease-out-expo), transform 0.8s var(--ease-out-expo);
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .reveal-delay-1 { transition-delay: 0.1s; }
        .reveal-delay-2 { transition-delay: 0.2s; }
        .reveal-delay-3 { transition-delay: 0.3s; }
        .reveal-delay-4 { transition-delay: 0.4s; }

        /* ═══════════════════════════════════════════════
           NAVIGATION
           ═══════════════════════════════════════════════ */
        .nav {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(24px) saturate(1.2);
            -webkit-backdrop-filter: blur(24px) saturate(1.2);
            border-bottom: 1px solid transparent;
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        .nav.scrolled {
            border-bottom-color: var(--slate-200);
            box-shadow: 0 1px 12px rgba(15, 23, 42, 0.04);
        }
        .nav-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 14px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .nav-logo img { height: 64px; width: auto; }
        .nav-links {
            display: flex;
            gap: 36px;
            list-style: none;
            align-items: center;
        }
        .nav-links a {
            font-size: 14px;
            font-weight: 500;
            color: var(--slate-500);
            letter-spacing: -0.01em;
            transition: color 0.2s;
        }
        .nav-links a:hover { color: var(--slate-900); }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--slate-900);
            color: var(--white);
            padding: 10px 22px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: -0.01em;
            transition: all 0.25s var(--ease-out-expo);
        }
        .nav-cta:hover {
            background: var(--slate-800);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(15, 23, 42, 0.15);
        }

        /* Mobile menu */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--slate-900);
            margin: 5px 0;
            border-radius: 2px;
            transition: all 0.3s;
        }

        /* ═══════════════════════════════════════════════
           HERO
           ═══════════════════════════════════════════════ */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: 140px 24px 100px;
            position: relative;
            overflow: hidden;
            background: var(--white);
        }

        /* Subtle grain overlay */
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.015'/%3E%3C/svg%3E");
            pointer-events: none;
            z-index: 0;
        }

        /* Ambient orange glow */
        .hero::after {
            content: '';
            position: absolute;
            top: -30%;
            right: -15%;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(249, 115, 22, 0.06) 0%, transparent 65%);
            pointer-events: none;
            z-index: 0;
        }

        .hero-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 80px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px 6px 10px;
            border-radius: 100px;
            background: var(--slate-50);
            border: 1px solid var(--slate-200);
            font-size: 13px;
            font-weight: 600;
            color: var(--slate-600);
            margin-bottom: 32px;
            animation: fadeInUp 0.8s var(--ease-out-expo) both;
        }
        .hero-badge-dot {
            width: 8px; height: 8px;
            background: var(--orange-500);
            border-radius: 50%;
            animation: pulse 2.5s ease-in-out infinite;
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(249,115,22,0.4); }
            50% { opacity: 0.85; box-shadow: 0 0 0 6px rgba(249,115,22,0); }
        }

        .hero h1 {
            font-family: var(--font-body);
            font-size: clamp(44px, 5.5vw, 64px);
            font-weight: 900;
            line-height: 1.05;
            letter-spacing: -0.03em;
            color: var(--slate-900);
            margin-bottom: 28px;
            animation: fadeInUp 0.8s var(--ease-out-expo) 0.1s both;
        }
        .hero h1 .accent {
            font-family: var(--font-display);
            font-style: italic;
            font-weight: 400;
            background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 19px;
            line-height: 1.7;
            color: var(--slate-500);
            max-width: 520px;
            margin-bottom: 44px;
            animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s both;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            align-items: center;
            animation: fadeInUp 0.8s var(--ease-out-expo) 0.3s both;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--slate-900);
            color: var(--white);
            padding: 16px 32px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            letter-spacing: -0.01em;
            transition: all 0.3s var(--ease-out-expo);
        }
        .btn-primary:hover {
            background: var(--slate-800);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(15, 23, 42, 0.2);
        }
        .btn-primary svg {
            transition: transform 0.3s var(--ease-out-expo);
        }
        .btn-primary:hover svg {
            transform: translateX(3px);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--slate-600);
            padding: 16px 24px;
            font-size: 15px;
            font-weight: 500;
            transition: color 0.2s;
        }
        .btn-ghost:hover { color: var(--slate-900); }

        /* Hero visual — large brand-inspired graphic */
        .hero-visual {
            position: relative;
            animation: fadeInUp 1s var(--ease-out-expo) 0.4s both;
        }
        .hero-card {
            background: var(--slate-900);
            border-radius: 24px;
            aspect-ratio: 4/3;
            position: relative;
            overflow: hidden;
            box-shadow:
                0 0 0 1px rgba(255,255,255,0.05) inset,
                0 40px 100px -20px rgba(15, 23, 42, 0.5),
                0 20px 60px -10px rgba(15, 23, 42, 0.3);
        }
        /* Animated brand layers inside the card */
        .hero-layers {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 0;
        }
        .hero-layer {
            height: 18px;
            border-radius: 5px;
            position: relative;
        }
        .hero-layer:nth-child(1) {
            width: 55%;
            background: linear-gradient(90deg, var(--slate-200), var(--slate-100));
            margin-left: -40px;
            animation: layerFloat 4s ease-in-out infinite;
        }
        .hero-layer:nth-child(2) {
            width: 55%;
            background: linear-gradient(90deg, var(--slate-400), var(--slate-300));
            margin-top: 16px;
            margin-left: -10px;
            animation: layerFloat 4s ease-in-out infinite 0.3s;
        }
        .hero-layer:nth-child(3) {
            width: 55%;
            background: linear-gradient(90deg, var(--slate-500), var(--slate-400));
            margin-top: 16px;
            margin-left: 20px;
            animation: layerFloat 4s ease-in-out infinite 0.6s;
        }
        .hero-dot {
            position: absolute;
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, var(--orange-500), var(--orange-600));
            border-radius: 50%;
            top: calc(50% - 52px);
            right: calc(50% - 140px);
            box-shadow: 0 0 40px rgba(249, 115, 22, 0.5), 0 0 80px rgba(249, 115, 22, 0.2);
            animation: dotGlow 3s ease-in-out infinite;
        }
        @keyframes layerFloat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-6px); }
        }
        @keyframes dotGlow {
            0%, 100% { box-shadow: 0 0 40px rgba(249,115,22,0.5), 0 0 80px rgba(249,115,22,0.2); }
            50% { box-shadow: 0 0 60px rgba(249,115,22,0.7), 0 0 120px rgba(249,115,22,0.3); }
        }

        /* Grid lines on the hero card */
        .hero-card::before {
            content: '';
            position: absolute;
            inset: 0;
            background:
                linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
            background-size: 60px 60px;
        }
        /* Subtle corner gradient */
        .hero-card::after {
            content: '';
            position: absolute;
            bottom: 0; right: 0;
            width: 60%; height: 60%;
            background: radial-gradient(ellipse at bottom right, rgba(249,115,22,0.08) 0%, transparent 60%);
        }

        /* Floating stat pills around the hero card */
        .hero-stat {
            position: absolute;
            background: var(--white);
            border-radius: 12px;
            padding: 14px 18px;
            box-shadow: 0 8px 32px rgba(15, 23, 42, 0.1), 0 0 0 1px rgba(15, 23, 42, 0.04);
            font-size: 13px;
            white-space: nowrap;
        }
        .hero-stat-value {
            font-weight: 800;
            font-size: 20px;
            color: var(--slate-900);
            letter-spacing: -0.02em;
        }
        .hero-stat-label {
            color: var(--slate-500);
            font-size: 12px;
            font-weight: 500;
            margin-top: 2px;
        }
        .hero-stat-1 {
            top: -16px; right: -20px;
            animation: floatStat 5s ease-in-out infinite;
        }
        .hero-stat-2 {
            bottom: 40px; left: -30px;
            animation: floatStat 5s ease-in-out infinite 1.5s;
        }
        @keyframes floatStat {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(28px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* ═══════════════════════════════════════════════
           SOCIAL PROOF BAR
           ═══════════════════════════════════════════════ */
        .proof {
            padding: 72px 24px;
            background: var(--slate-50);
            border-top: 1px solid var(--slate-200);
            border-bottom: 1px solid var(--slate-200);
        }
        .proof-grid {
            max-width: 1000px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .proof-item {}
        .proof-value {
            font-size: 36px;
            font-weight: 900;
            letter-spacing: -0.03em;
            color: var(--slate-900);
            line-height: 1;
        }
        .proof-value .orange {
            color: var(--orange-500);
        }
        .proof-label {
            font-size: 14px;
            color: var(--slate-500);
            margin-top: 8px;
            font-weight: 500;
        }

        /* ═══════════════════════════════════════════════
           SECTION GLOBALS
           ═══════════════════════════════════════════════ */
        .section-label {
            font-size: 12px;
            font-weight: 700;
            color: var(--orange-500);
            text-transform: uppercase;
            letter-spacing: 2.5px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: clamp(32px, 4vw, 48px);
            font-weight: 800;
            letter-spacing: -0.03em;
            line-height: 1.1;
            color: var(--slate-900);
            margin-bottom: 20px;
        }
        .section-subtitle {
            font-size: 18px;
            color: var(--slate-500);
            max-width: 580px;
            line-height: 1.7;
        }
        .section-header {
            text-align: center;
            margin-bottom: 72px;
        }
        .section-header .section-subtitle {
            margin: 0 auto;
        }

        /* ═══════════════════════════════════════════════
           HOW WE BUILD
           ═══════════════════════════════════════════════ */
        .method {
            padding: 120px 24px;
            background: var(--white);
        }
        .method-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .method-card {
            background: var(--slate-50);
            border: 1px solid var(--slate-100);
            border-radius: 20px;
            padding: 40px 36px;
            transition: all 0.4s var(--ease-out-expo);
            position: relative;
            overflow: hidden;
        }
        .method-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0;
            width: 100%; height: 3px;
            background: linear-gradient(90deg, var(--orange-500), var(--orange-400));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.5s var(--ease-out-expo);
        }
        .method-card:hover::before { transform: scaleX(1); }
        .method-card:hover {
            background: var(--white);
            border-color: var(--slate-200);
            transform: translateY(-4px);
            box-shadow: 0 24px 64px rgba(15, 23, 42, 0.06);
        }
        .method-number {
            font-size: 48px;
            font-weight: 900;
            color: var(--slate-200);
            letter-spacing: -0.04em;
            line-height: 1;
            margin-bottom: 20px;
            transition: color 0.4s;
        }
        .method-card:hover .method-number { color: var(--orange-500); }
        .method-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--slate-900);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .method-card p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--slate-500);
        }

        /* ═══════════════════════════════════════════════
           PRODUCTS
           ═══════════════════════════════════════════════ */
        .products {
            padding: 120px 24px;
            background: var(--slate-50);
        }
        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .product-card {
            background: var(--white);
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--slate-200);
            transition: all 0.4s var(--ease-out-expo);
            display: flex;
            flex-direction: column;
        }
        .product-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 28px 72px rgba(15, 23, 42, 0.1);
            border-color: var(--slate-300);
        }
        .product-card a.product-link {
            display: flex;
            flex-direction: column;
            flex: 1;
            text-decoration: none;
            color: inherit;
        }
        .product-visual {
            height: 200px;
            position: relative;
            overflow: hidden;
        }
        .product-visual.echoes {
            background: linear-gradient(135deg, #1a2744 0%, #2a3f5f 50%, #1e3a5f 100%);
        }
        .product-visual.otd {
            background: linear-gradient(135deg, #0f2818 0%, #1a472a 50%, #1f5c35 100%);
        }
        .product-visual.dealbid {
            background: linear-gradient(135deg, #2d1b4e 0%, #44286a 50%, #5a3780 100%);
        }
        .product-visual.idea {
            background: linear-gradient(135deg, var(--slate-800) 0%, var(--slate-700) 50%, var(--slate-600) 100%);
            position: relative;
        }
        .product-visual.idea::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 60% 40%, rgba(249,115,22,0.15) 0%, transparent 50%);
            z-index: 1;
        }
        .product-visual.idea .product-visual-icon {
            z-index: 2;
        }
        .product-visual.idea .product-visual-icon svg {
            animation: spinSlow 12s linear infinite;
            opacity: 0.6;
        }
        @keyframes spinSlow {
            from { transform: rotate(0deg); }
            to { transform: rotate(360deg); }
        }
        .product-card-idea {
            border-style: dashed;
        }
        .product-visual-icon {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .product-visual-icon svg {
            width: 48px;
            height: 48px;
            stroke: rgba(255,255,255,0.7);
            fill: none;
            stroke-width: 1.5;
            stroke-linecap: round;
            stroke-linejoin: round;
        }
        /* Subtle grid overlay on product cards */
        .product-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background:
                linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
            background-size: 40px 40px;
        }
        .product-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .product-stage {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }
        .product-stage.launched {
            color: #059669;
        }
        .product-stage.launched::before {
            content: '';
            width: 6px; height: 6px;
            border-radius: 50%;
            background: #059669;
        }
        .product-stage.building {
            color: var(--orange-500);
        }
        .product-stage.building::before {
            content: '';
            width: 6px; height: 6px;
            border-radius: 50%;
            background: var(--orange-500);
        }
        .product-stage.exploring {
            color: var(--slate-400);
        }
        .product-stage.exploring::before {
            content: '';
            width: 6px; height: 6px;
            border-radius: 50%;
            background: var(--slate-400);
        }
        .product-card h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--slate-900);
            letter-spacing: -0.02em;
            margin-bottom: 10px;
        }
        .product-card p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--slate-500);
            flex: 1;
        }
        .product-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--slate-100);
        }
        .product-tag {
            font-size: 12px;
            font-weight: 500;
            color: var(--slate-600);
            background: var(--slate-50);
            padding: 4px 10px;
            border-radius: 6px;
        }

        /* ═══════════════════════════════════════════════
           ABOUT / FOUNDER
           ═══════════════════════════════════════════════ */
        .about {
            padding: 120px 24px;
            background: var(--slate-900);
            color: var(--white);
            position: relative;
            overflow: hidden;
        }
        /* Large faded logomark in background */
        .about::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(249,115,22,0.05) 0%, transparent 60%);
            pointer-events: none;
        }

        .about-inner {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .about .section-label { color: var(--orange-500); }
        .about .section-title { color: var(--white); }
        .about-text {
            font-size: 17px;
            color: var(--slate-400);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .about-text strong { color: var(--slate-200); }
        .about-text a {
            color: var(--slate-200);
            text-decoration: underline;
            text-underline-offset: 3px;
            text-decoration-color: var(--slate-600);
            transition: text-decoration-color 0.2s;
        }
        .about-text a:hover { text-decoration-color: var(--orange-500); }

        .about-highlights {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 40px;
        }
        .about-highlight {
            background: var(--slate-800);
            border-radius: 12px;
            padding: 18px 20px;
            border: 1px solid rgba(255,255,255,0.04);
        }
        .about-highlight-label {
            font-size: 11px;
            font-weight: 700;
            color: var(--orange-500);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 4px;
        }
        .about-highlight-value {
            font-size: 15px;
            font-weight: 500;
            color: var(--slate-300);
        }

        /* ═══════════════════════════════════════════════
           THESIS — The big idea
           ═══════════════════════════════════════════════ */
        .thesis {
            padding: 120px 24px;
            background: var(--white);
            text-align: center;
            position: relative;
        }
        .thesis-inner {
            max-width: 780px;
            margin: 0 auto;
        }
        .thesis .section-title {
            font-size: clamp(28px, 3.5vw, 42px);
        }
        .thesis blockquote {
            font-family: var(--font-display);
            font-size: clamp(24px, 3vw, 36px);
            font-style: italic;
            line-height: 1.4;
            color: var(--slate-700);
            margin: 40px 0 24px;
            position: relative;
        }
        .thesis blockquote::before {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            background: var(--orange-500);
            margin: 0 auto 32px;
            border-radius: 2px;
        }
        .thesis cite {
            font-family: var(--font-body);
            font-style: normal;
            font-size: 14px;
            font-weight: 600;
            color: var(--slate-500);
        }

        /* ═══════════════════════════════════════════════
           CONTACT
           ═══════════════════════════════════════════════ */
        .contact {
            padding: 120px 24px;
            background: var(--slate-50);
        }
        .contact-inner {
            max-width: 720px;
            margin: 0 auto;
        }
        .contact-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .contact-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group.full { grid-column: span 2; }
        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--slate-700);
            letter-spacing: -0.01em;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 14px 18px;
            border: 1.5px solid var(--slate-200);
            border-radius: 10px;
            font-size: 15px;
            font-family: var(--font-body);
            color: var(--slate-900);
            background: var(--white);
            transition: all 0.2s;
            outline: none;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: var(--slate-900);
            box-shadow: 0 0 0 3px rgba(15, 23, 42, 0.06);
        }
        .form-group textarea {
            min-height: 140px;
            resize: vertical;
        }
        .form-submit {
            grid-column: span 2;
            margin-top: 8px;
        }
        .form-submit button {
            width: 100%;
            padding: 16px;
            background: var(--slate-900);
            color: var(--white);
            border: none;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            font-family: var(--font-body);
            cursor: pointer;
            transition: all 0.3s var(--ease-out-expo);
        }
        .form-submit button:hover {
            background: var(--slate-800);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(15, 23, 42, 0.2);
        }
        .hidden-field {
            position: absolute;
            left: -9999px;
        }

        /* ═══════════════════════════════════════════════
           FOOTER
           ═══════════════════════════════════════════════ */
        .footer {
            background: var(--slate-900);
            color: var(--slate-400);
            padding: 64px 24px 32px;
        }
        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
        }
        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .footer-brand img { height: 32px; width: auto; margin-bottom: 16px; }
        .footer-brand p {
            max-width: 320px;
            font-size: 14px;
            line-height: 1.7;
            color: var(--slate-500);
        }
        .footer-nav {
            display: flex;
            gap: 64px;
        }
        .footer-col h4 {
            font-size: 12px;
            font-weight: 700;
            color: var(--white);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 20px;
        }
        .footer-col ul { list-style: none; }
        .footer-col li { margin-bottom: 12px; }
        .footer-col a {
            font-size: 14px;
            color: var(--slate-400);
            transition: color 0.2s;
        }
        .footer-col a:hover { color: var(--white); }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 32px;
            font-size: 13px;
            color: var(--slate-600);
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px; height: 36px;
            background: rgba(255,255,255,0.04);
            border-radius: 8px;
            color: var(--slate-400);
            transition: all 0.2s;
        }
        .footer-social a:hover {
            background: rgba(255,255,255,0.08);
            color: var(--white);
        }

        /* ═══════════════════════════════════════════════
           RESPONSIVE
           ═══════════════════════════════════════════════ */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 60px;
            }
            .hero-visual { max-width: 560px; margin: 0 auto; }
            .hero-stat-1 { right: 0; }
            .hero-stat-2 { left: 0; }
            .products-grid { grid-template-columns: 1fr 1fr; }
            .about-inner { gap: 60px; }
        }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-toggle { display: block; }
            .nav-cta { display: none; }

            /* Mobile nav panel */
            .nav-mobile {
                display: none;
                position: fixed;
                top: 0; left: 0; right: 0; bottom: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(20px);
                z-index: 999;
                padding: 100px 32px 40px;
            }
            .nav-mobile.open { display: flex; flex-direction: column; }
            .nav-mobile a {
                font-size: 28px;
                font-weight: 700;
                color: var(--slate-900);
                padding: 16px 0;
                border-bottom: 1px solid var(--slate-100);
                letter-spacing: -0.02em;
            }
            .nav-mobile .mobile-cta {
                margin-top: auto;
                background: var(--slate-900);
                color: var(--white);
                text-align: center;
                padding: 18px;
                border-radius: 12px;
                font-size: 16px;
                font-weight: 600;
            }
            .nav-toggle.open span:nth-child(1) {
                transform: rotate(45deg) translate(5px, 5px);
            }
            .nav-toggle.open span:nth-child(2) { opacity: 0; }
            .nav-toggle.open span:nth-child(3) {
                transform: rotate(-45deg) translate(5px, -5px);
            }

            .proof-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .method-grid,
            .products-grid {
                grid-template-columns: 1fr;
            }
            .about-highlights { grid-template-columns: 1fr; }
            .contact-form { grid-template-columns: 1fr; }
            .form-group.full,
            .form-submit { grid-column: span 1; }
            .footer-top {
                flex-direction: column;
                gap: 40px;
            }
            .footer-nav { gap: 40px; }
            .hero { padding: 120px 24px 80px; }
            .hero h1 { font-size: 40px; }
        }
        @media (max-width: 480px) {
            .hero-stat { display: none; }
            .proof-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
            .proof-value { font-size: 28px; }
        }