/* ═══════════════════════════════════════════
           DESIGN TOKENS
           ═══════════════════════════════════════════ */
        :root,
        [data-theme="dark"] {
            --midnight: #0a1628;
            --slate: #1e293b;
            --deep: #0f1d32;
            --ocean: #0ea5e9;
            --teal: #14b8a6;
            --amber: #f59e0b;
            --rose: #e11d48;
            --violet: #8b5cf6;
            --cream: #fdfbf7;
            --mist: #e2e8f0;
            --silver: #94a3b8;
            --glass: rgba(255, 255, 255, 0.03);
            --glass-border: rgba(255, 255, 255, 0.08);
            --glass-hover: rgba(255, 255, 255, 0.06);
            --nav-bg: rgba(10, 22, 40, 0.85);
            --nav-mobile-bg: rgba(10, 22, 40, 0.97);
            --body-bg: #0a1628;
            --config-bg: rgba(0, 0, 0, 0.2);
            --proof-bg: rgba(0, 0, 0, 0.12);
            --about-bg: rgba(0, 0, 0, 0.15);
            --footer-bg: rgba(0, 0, 0, 0.35);
            --config-code-bg: rgba(15, 23, 42, 0.8);
            --outcomes-bg: rgba(14, 165, 233, 0.04);
            --tombstone-bg: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
            --tombstone-border: rgba(255,255,255,0.08);
            --tombstone-cross-opacity: 0.35;
            --rip-color: rgba(241,245,249,0.35);
            --hero-grad-from: var(--cream);
        }

        [data-theme="light"] {
            --midnight: #f8fafc;
            --slate: #e2e8f0;
            --deep: #f1f5f9;
            --ocean: #0284c7;
            --teal: #0d9488;
            --amber: #d97706;
            --rose: #be123c;
            --violet: #7c3aed;
            --cream: #0f172a;
            --mist: #334155;
            --silver: #64748b;
            --glass: rgba(0, 0, 0, 0.03);
            --glass-border: rgba(0, 0, 0, 0.08);
            --glass-hover: rgba(0, 0, 0, 0.05);
            --nav-bg: rgba(248, 250, 252, 0.88);
            --nav-mobile-bg: rgba(248, 250, 252, 0.97);
            --body-bg: #f8fafc;
            --config-bg: rgba(0, 0, 0, 0.03);
            --proof-bg: rgba(0, 0, 0, 0.02);
            --about-bg: rgba(0, 0, 0, 0.03);
            --footer-bg: #0f172a;
            --config-code-bg: #1e293b;
            --outcomes-bg: rgba(14, 165, 233, 0.05);
            --tombstone-bg: linear-gradient(180deg, rgba(0,0,0,0.04), rgba(0,0,0,0.02));
            --tombstone-border: rgba(0,0,0,0.1);
            --tombstone-cross-opacity: 0.3;
            --rip-color: rgba(100,116,139,0.5);
            --hero-grad-from: #0f172a;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }

        body {
            font-family: 'Public Sans', sans-serif;
            background: var(--body-bg);
            color: var(--cream);
            line-height: 1.6;
            overflow-x: hidden;
            transition: background 0.4s ease, color 0.4s ease;
        }

        /* Background texture */
        body::before {
            content: '';
            position: fixed;
            inset: 0;
            background:
                radial-gradient(ellipse 80% 50% at 50% -20%, rgba(14, 165, 233, 0.08), transparent),
                radial-gradient(ellipse 60% 40% at 80% 60%, rgba(20, 184, 166, 0.05), transparent),
                radial-gradient(ellipse 50% 30% at 10% 80%, rgba(225, 29, 72, 0.04), transparent);
            pointer-events: none;
            z-index: 0;
            transition: opacity 0.4s ease;
        }

        [data-theme="light"] body::before {
            background:
                radial-gradient(ellipse 80% 50% at 50% -20%, rgba(14, 165, 233, 0.06), transparent),
                radial-gradient(ellipse 60% 40% at 80% 60%, rgba(20, 184, 166, 0.04), transparent),
                radial-gradient(ellipse 50% 30% at 10% 80%, rgba(225, 29, 72, 0.03), transparent);
        }

        /* ═══════════════════════════════════════════
           NAVIGATION
           ═══════════════════════════════════════════ */
        nav {
            background: var(--nav-bg);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--glass-border);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: background 0.4s ease;
        }

        .nav-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .nav-brand a {
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .nav-brand img {
            width: 36px;
            height: 36px;
            object-fit: contain;
            border-radius: 50%;
            filter: drop-shadow(0 0 8px rgba(14, 165, 233, 0.3));
        }

        .nav-brand h2 {
            font-family: 'DM Serif Display', serif;
            font-size: 1.5rem;
            font-weight: 400;
            background: linear-gradient(135deg, var(--hero-grad-from) 0%, var(--ocean) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
            align-items: center;
        }

        .nav-links a {
            color: var(--silver);
            text-decoration: none;
            font-weight: 400;
            transition: color 0.3s;
            font-size: 0.9rem;
            letter-spacing: 0.01em;
        }

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

        .nav-cta {
            background: linear-gradient(135deg, var(--ocean) 0%, var(--teal) 100%);
            color: white !important;
            padding: 0.6rem 1.5rem;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(14, 165, 233, 0.35);
        }

        /* Mobile menu toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--cream);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.25rem;
        }

        /* ═══════════════════════════════════════════
           HERO CAROUSEL — SCENE-BASED (from dvloop)
           ═══════════════════════════════════════════ */
        .hero {
            position: relative;
            text-align: center;
            max-width: 1200px;
            margin: 0 auto;
            min-height: 560px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            overflow: hidden;
        }

        .hero-scene {
            position: absolute;
            inset: 0;
            padding: 4rem 2rem 3rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transform: scale(0.97);
            pointer-events: none;
        }

        .hero-scene.active {
            opacity: 1;
            transform: scale(1);
            animation: sceneFadeIn 0.8s ease forwards;
            pointer-events: auto;
        }

        .hero-scene.active.first-scene {
            animation: none;
            opacity: 1;
            transform: scale(1);
        }

        .hero-scene.exiting {
            animation: sceneFadeOut 0.6s ease forwards;
        }

        @keyframes sceneFadeIn {
            from { opacity: 0; }
            to   { opacity: 1; }
        }
        @keyframes sceneFadeOut {
            from { opacity: 1; }
            to   { opacity: 0; }
        }

        .hero-badge {
            display: inline-block;
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.78rem;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            padding: 0.5rem 1.25rem;
            border-radius: 20px;
            margin-bottom: 1.5rem;
        }

        .hero-badge.rose {
            color: var(--rose);
            border: 1px solid rgba(225, 29, 72, 0.35);
            background: rgba(225, 29, 72, 0.06);
        }
        .hero-badge.ocean {
            color: var(--ocean);
            border: 1px solid rgba(14, 165, 233, 0.35);
            background: rgba(14, 165, 233, 0.06);
        }
        .hero-badge.teal {
            color: var(--teal);
            border: 1px solid rgba(20, 184, 166, 0.35);
            background: rgba(20, 184, 166, 0.06);
        }

        .hero h1 {
            font-family: 'DM Serif Display', serif;
            font-size: 3.5rem;
            font-weight: 400;
            letter-spacing: -0.02em;
            margin-bottom: 1.25rem;
            background: linear-gradient(135deg, var(--hero-grad-from) 0%, var(--ocean) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.15;
            max-width: 900px;
        }
        .hero h1 em {
            font-style: normal;
            -webkit-text-fill-color: var(--rose);
        }

        .hero p {
            font-size: 1.15rem;
            color: var(--silver);
            max-width: 720px;
            margin: 0 auto 2rem;
            line-height: 1.8;
        }

        .hero-cta-group {
            display: flex;
            gap: 1.25rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ── Scene 1: Brand ── */
        .scene-brand .brand-logo-img {
            width: 140px;
            height: 140px;
            object-fit: contain;
            border-radius: 50%;
            margin-bottom: 1.5rem;
            filter: drop-shadow(0 0 30px rgba(14, 165, 233, 0.25));
        }
        .scene-brand .brand-logo-text {
            font-family: 'DM Serif Display', serif;
            font-size: 5.5rem;
            letter-spacing: -2px;
            line-height: 1;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--ocean), var(--teal));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .scene-brand .brand-tagline {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 1.15rem;
            font-weight: 500;
            color: var(--silver);
            letter-spacing: 6px;
            text-transform: uppercase;
        }
        .scene-brand .accent-line {
            width: 80px;
            height: 3px;
            background: linear-gradient(90deg, var(--ocean), var(--teal));
            margin: 1.5rem auto 0;
            border-radius: 2px;
        }

        /* ── Scene 2: Graveyard ── */
        .tombstone-row {
            display: flex;
            justify-content: center;
            gap: 1.25rem;
            flex-wrap: wrap;
            margin-top: 1rem;
        }
        .tombstone {
            width: 150px;
        }
        .tombstone-stone {
            background: var(--tombstone-bg);
            border: 1px solid var(--tombstone-border);
            border-radius: 60px 60px 4px 4px;
            padding: 1.5rem 0.75rem 1.25rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .tombstone-stone::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 2px;
            background: var(--rose);
            opacity: 0.4;
            border-radius: 60px 60px 0 0;
        }
        .tombstone-cross { font-size: 1.25rem; margin-bottom: 0.5rem; opacity: var(--tombstone-cross-opacity); }
        .tombstone-text {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.7rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--silver);
            line-height: 1.5;
        }
        .tombstone-text .rip {
            display: block;
            font-family: 'DM Serif Display', serif;
            font-size: 0.8rem;
            color: var(--rip-color);
            letter-spacing: 3px;
            margin-bottom: 0.4rem;
        }
        .tombstone-date {
            color: var(--rip-color);
            font-size: 0.6rem;
            margin-top: 0.3rem;
            display: block;
        }
        .tombstone-ground {
            height: 4px;
            background: linear-gradient(180deg, rgba(255,255,255,0.04), transparent);
            border-radius: 0 0 4px 4px;
            margin-top: -1px;
        }

        /* ── Scene 3: Manifesto ── */
        .manifesto-layout {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 3rem;
            width: 100%;
            max-width: 1050px;
            padding: 0 1rem;
        }
        .scene-manifesto .manifesto-inner {
            flex: 1 1 55%;
            text-align: left;
        }
        .scene-manifesto .build-body {
            font-size: 1.1rem;
            line-height: 1.8;
            color: var(--silver);
            margin-bottom: 1.5rem;
        }
        .scene-manifesto .build-line { display: block; margin-bottom: 0.25rem; }
        .scene-manifesto .build-closer {
            font-family: 'DM Serif Display', serif;
            font-size: 1.4rem;
            color: var(--teal);
        }

        /* Tombstone vignette (right side) */
        .build-vignette {
            flex: 0 0 280px;
            position: relative;
            height: 340px;
        }
        .vignette-tombstone {
            position: absolute;
            width: 120px;
            opacity: 0.7;
        }
        .vignette-tombstone:nth-child(1) { left: 10px; top: 30px; transform: rotate(-4deg); }
        .vignette-tombstone:nth-child(2) { left: 90px; top: 5px; transform: rotate(2deg); }
        .vignette-tombstone:nth-child(3) { right: 10px; top: 50px; transform: rotate(5deg); }
        .vignette-tombstone:nth-child(4) { left: 40px; top: 170px; transform: rotate(-2deg); }
        .vignette-tombstone:nth-child(5) { right: 20px; top: 185px; transform: rotate(3deg); }

        .v-stone {
            background: linear-gradient(180deg, rgba(148,163,184,0.18), rgba(100,116,139,0.10));
            border: 1px solid rgba(148,163,184,0.25);
            border-radius: 50px 50px 3px 3px;
            padding: 1.25rem 0.75rem 1rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .v-stone::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 2px;
            background: var(--rose);
            opacity: 0.35;
            border-radius: 50px 50px 0 0;
        }
        .v-cross {
            font-size: 1rem;
            opacity: 0.45;
            margin-bottom: 0.35rem;
        }
        .v-text {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.6rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: rgba(203,213,225,0.7);
            line-height: 1.4;
        }

        .build-vignette::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center bottom, rgba(10,14,26,0.5) 0%, transparent 60%);
            pointer-events: none;
            z-index: 2;
        }

        /* ── Scene 4: Stat ── */
        .scene-stat .stat-layout {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 3rem;
            flex-wrap: wrap;
        }
        .scene-stat .stat-number {
            font-family: 'DM Serif Display', serif;
            font-size: 8rem;
            line-height: 1;
            color: var(--rose);
        }
        .scene-stat .stat-label {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.85rem;
            color: var(--rip-color);
            text-transform: uppercase;
            letter-spacing: 4px;
            margin-top: 0.5rem;
        }
        .scene-stat .stat-text {
            text-align: left;
            max-width: 460px;
        }
        .scene-stat .stat-text h2 {
            font-family: 'DM Serif Display', serif;
            font-size: 2.75rem;
            line-height: 1.15;
            margin-bottom: 1rem;
            color: var(--cream);
        }
        .scene-stat .stat-text h2 em {
            font-style: normal;
            color: var(--amber);
        }
        .scene-stat .stat-text p {
            font-size: 1.15rem;
            color: var(--silver);
            line-height: 1.5;
            margin: 0;
        }

        /* ── Scene 5: Arc ── */
        .arc-visual {
            position: relative;
            width: 100%;
            max-width: 800px;
            height: 280px;
            margin: 1rem auto 0;
        }
        .arc-visual svg { position: absolute; inset: 0; width: 100%; height: 100%; }
        .arc-path-bg { fill: none; stroke: rgba(255,255,255,0.06); stroke-width: 3; stroke-linecap: round; }
        .hero-scene.active .arc-path-draw {
            fill: none; stroke: url(#arcGrad); stroke-width: 3; stroke-linecap: round;
            stroke-dasharray: 800; stroke-dashoffset: 800;
            animation: drawArc 2s 0.6s cubic-bezier(0.25,0.46,0.45,0.94) forwards;
        }
        @keyframes drawArc { to { stroke-dashoffset: 0; } }

        .arc-labels {
            display: flex;
            justify-content: space-between;
            max-width: 800px;
            margin: 0 auto;
            padding: 0 1rem;
        }
        .arc-label { text-align: center; }
        .arc-label-name {
            font-family: 'DM Serif Display', serif;
            font-size: 1.5rem;
            margin-bottom: 0.2rem;
        }
        .arc-label-desc {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.7rem;
            color: var(--rip-color);
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .arc-gap-badge {
            display: inline-block;
            margin: 1.25rem auto 0;
            background: rgba(244,63,94,0.1);
            border: 1px solid rgba(244,63,94,0.25);
            border-radius: 30px;
            padding: 0.4rem 1.2rem;
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--rose);
            white-space: nowrap;
            letter-spacing: 1px;
            text-align: center;
        }
        .arc-bottom-text {
            margin-top: 1rem;
            font-size: 1.1rem;
            color: var(--silver);
        }
        .arc-bottom-text strong {
            color: var(--teal);
            font-weight: 700;
        }

        /* ── Scene 6: Pipeline ── */
        .pipeline-steps {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1.5rem;
        }
        .pipeline-step {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.75rem;
        }
        .step-icon {
            width: 80px;
            height: 80px;
            border-radius: 16px;
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.08);
            backdrop-filter: blur(20px);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            position: relative;
            overflow: hidden;
        }
        .step-icon::after {
            content: '';
            position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(255,255,255,0.08), transparent);
            border-radius: 16px;
        }
        .step-icon.cyan  { box-shadow: 0 0 30px rgba(6,182,212,0.15); }
        .step-icon.emerald { box-shadow: 0 0 30px rgba(16,185,129,0.15); }
        .step-icon.violet { box-shadow: 0 0 30px rgba(139,92,246,0.15); }
        .step-icon.amber  { box-shadow: 0 0 30px rgba(245,158,11,0.15); }
        .step-label {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--silver);
            max-width: 120px;
            text-align: center;
        }
        .pipeline-arrow {
            font-size: 1.5rem;
            color: var(--rip-color);
            margin: 0 0.5rem;
            margin-bottom: 2rem;
        }

        /* ── Scene 7: Suite ── */
        .app-grid-hero {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 0.75rem;
            max-width: 900px;
            margin: 1rem auto 0;
        }
        .app-card-mini {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 12px;
            padding: 1rem 0.5rem;
            text-align: center;
            backdrop-filter: blur(20px);
            position: relative;
            overflow: hidden;
        }
        .app-card-mini::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0;
            height: 2px;
            border-radius: 12px 12px 0 0;
        }
        .app-card-mini:nth-child(5n+1)::before { background: var(--ocean); }
        .app-card-mini:nth-child(5n+2)::before { background: var(--teal); }
        .app-card-mini:nth-child(5n+3)::before { background: #8b5cf6; }
        .app-card-mini:nth-child(5n+4)::before { background: var(--amber); }
        .app-card-mini:nth-child(5n+5)::before { background: var(--rose); }
        .app-card-mini .app-icon { font-size: 1.5rem; margin-bottom: 0.5rem; }
        .app-card-mini .app-name {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.65rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            color: var(--cream);
        }

        /* ── Scene 8: CTA ── */
        .scene-cta h1 em {
            -webkit-text-fill-color: var(--teal);
        }
        .scene-cta .cta-sub {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 1.05rem;
            color: var(--silver);
            letter-spacing: 3px;
            text-transform: uppercase;
            margin-bottom: 2rem;
        }
        .scene-cta .cta-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            background: linear-gradient(135deg, rgba(6,182,212,0.12), rgba(16,185,129,0.12));
            border: 1px solid rgba(6,182,212,0.25);
            border-radius: 60px;
            padding: 1rem 2rem;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--ocean);
            text-decoration: none;
            transition: all 0.3s;
        }
        .scene-cta .cta-badge:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(14, 165, 233, 0.25);
        }
        .cta-badge .pulse-dot {
            width: 10px; height: 10px;
            border-radius: 50%;
            background: var(--teal);
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0%,100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.8); }
        }

        /* ── Progress bar ── */
        .hero-progress-track {
            position: absolute;
            bottom: 0; left: 0; right: 0;
            height: 3px;
            background: rgba(255,255,255,0.05);
            z-index: 20;
        }
        .hero-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--ocean), var(--teal));
            width: 0%;
            transition: width 0.1s linear;
        }

        /* Hero dots */
        .hero-dots {
            display: flex;
            gap: 0.4rem;
            justify-content: center;
            position: absolute;
            bottom: 1rem;
            left: 50%;
            transform: translateX(-50%);
            z-index: 20;
        }

        .hero-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--glass-border);
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            padding: 0;
        }

        .hero-dot.active {
            background: var(--ocean);
            width: 20px;
            border-radius: 3px;
        }

        /* ═══════════════════════════════════════════
           SHARED SECTION STYLES
           ═══════════════════════════════════════════ */
        .section-label {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.78rem;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            margin-bottom: 1rem;
            text-align: center;
        }
        .section-label.rose { color: var(--rose); }
        .section-label.ocean { color: var(--ocean); }
        .section-label.teal { color: var(--teal); }
        .section-label.amber { color: var(--amber); }
        .section-label.violet { color: var(--violet); }

        .section-title {
            font-family: 'DM Serif Display', serif;
            font-size: 2.5rem;
            font-weight: 400;
            text-align: center;
            margin-bottom: 1rem;
            line-height: 1.2;
        }

        .section-title.gradient-ocean {
            background: linear-gradient(135deg, var(--hero-grad-from) 0%, var(--ocean) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-title.gradient-teal {
            background: linear-gradient(135deg, var(--hero-grad-from) 0%, var(--teal) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-title.gradient-violet {
            background: linear-gradient(135deg, var(--hero-grad-from) 0%, var(--violet) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--silver);
            text-align: center;
            max-width: 750px;
            margin: 0 auto 3rem;
            line-height: 1.8;
        }

        /* ═══════════════════════════════════════════
           BUTTONS (shared)
           ═══════════════════════════════════════════ */
        .btn-primary {
            background: linear-gradient(135deg, var(--ocean) 0%, var(--teal) 100%);
            color: white;
            padding: 0.9rem 2.25rem;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(14, 165, 233, 0.35);
        }
        .btn-secondary {
            background: var(--glass);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: var(--cream);
            padding: 0.9rem 2.25rem;
            border-radius: 10px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s;
        }
        .btn-secondary:hover {
            background: var(--glass-hover);
            border-color: var(--ocean);
            transform: translateY(-3px);
        }

        /* ═══════════════════════════════════════════
           OUTCOMES / STATS STRIP
           ═══════════════════════════════════════════ */
        .outcomes-strip {
            background: var(--outcomes-bg);
            border-top: 1px solid var(--glass-border);
            border-bottom: 1px solid var(--glass-border);
            padding: 3.5rem 2rem;
            position: relative;
            z-index: 1;
        }

        .outcomes-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
        }

        .outcome-card { text-align: center; }

        .outcome-value {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 2.75rem;
            font-weight: 600;
            color: var(--teal);
            margin-bottom: 0.25rem;
        }

        .outcome-label {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--cream);
            margin-bottom: 0.15rem;
        }

        .outcome-detail {
            font-size: 0.8rem;
            color: var(--silver);
        }

        /* ═══════════════════════════════════════════
           PROBLEM / INSIGHT GRAVEYARD
           ═══════════════════════════════════════════ */
        .problem-section {
            padding: 5rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .problem-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .problem-card {
            background: rgba(225, 29, 72, 0.04);
            border: 1px solid rgba(225, 29, 72, 0.12);
            border-radius: 16px;
            padding: 2rem;
            transition: border-color 0.3s;
        }

        .problem-card:hover {
            border-color: rgba(225, 29, 72, 0.25);
        }

        .problem-stat {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 2rem;
            font-weight: 600;
            color: var(--rose);
            margin-bottom: 0.25rem;
        }

        .problem-stat-label {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.7rem;
            color: var(--rose);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 1rem;
            opacity: 0.8;
        }

        .problem-card h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--cream);
            margin-bottom: 0.75rem;
        }

        .problem-card .description {
            font-size: 0.92rem;
            color: var(--silver);
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .problem-card .solution {
            background: rgba(20, 184, 166, 0.06);
            border-left: 3px solid var(--teal);
            padding: 0.75rem 1rem;
            border-radius: 0 8px 8px 0;
            font-size: 0.85rem;
            color: var(--teal);
            line-height: 1.5;
        }

        /* ═══════════════════════════════════════════
           DECISION PIPELINE ARCHITECTURE
           ═══════════════════════════════════════════ */
        .architecture-section {
            padding: 5rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .pipeline-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0;
            margin: 3rem auto 2.5rem;
            max-width: 1100px;
            flex-wrap: wrap;
        }

        .pipeline-stage {
            flex: 1;
            min-width: 140px;
            text-align: center;
            padding: 1.5rem 1rem;
            position: relative;
        }

        .pipeline-stage-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin: 0 auto 0.75rem;
            border: 2px solid;
        }

        .stage-surfaced .pipeline-stage-icon { background: rgba(225, 29, 72, 0.1); border-color: rgba(225, 29, 72, 0.3); }
        .stage-owned .pipeline-stage-icon { background: rgba(245, 158, 11, 0.1); border-color: rgba(245, 158, 11, 0.3); }
        .stage-tracked .pipeline-stage-icon { background: rgba(14, 165, 233, 0.1); border-color: rgba(14, 165, 233, 0.3); }
        .stage-actioned .pipeline-stage-icon { background: rgba(20, 184, 166, 0.1); border-color: rgba(20, 184, 166, 0.3); }
        .stage-measured .pipeline-stage-icon { background: rgba(139, 92, 246, 0.1); border-color: rgba(139, 92, 246, 0.3); }

        .pipeline-stage h4 {
            font-size: 0.95rem;
            color: var(--cream);
            margin-bottom: 0.25rem;
        }

        .pipeline-stage span {
            font-size: 0.78rem;
            color: var(--silver);
        }

        .pipeline-arrow {
            color: var(--silver);
            font-size: 1.25rem;
            flex-shrink: 0;
            opacity: 0.4;
        }

        /* Four-layer cards */
        .layers-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.25rem;
            margin-bottom: 2.5rem;
        }

        .layer-card {
            background: var(--glass);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            padding: 1.5rem;
            text-align: center;
            transition: all 0.3s;
        }

        .layer-card:hover {
            border-color: rgba(14, 165, 233, 0.25);
            background: var(--glass-hover);
        }

        .layer-num {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.68rem;
            color: var(--ocean);
            text-transform: uppercase;
            letter-spacing: 0.12em;
            margin-bottom: 0.75rem;
        }

        .layer-card h4 {
            font-size: 1rem;
            color: var(--cream);
            margin-bottom: 0.35rem;
        }

        .layer-persona {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.68rem;
            color: var(--teal);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.5rem;
        }

        .layer-card p {
            font-size: 0.85rem;
            color: var(--silver);
            line-height: 1.5;
        }

        .pipeline-benefits {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .pipeline-benefit {
            background: rgba(20, 184, 166, 0.08);
            padding: 0.6rem 1.25rem;
            border-radius: 8px;
            font-size: 0.85rem;
            color: var(--teal);
        }

        /* ═══════════════════════════════════════════
           YAML CONFIG SHOWCASE
           ═══════════════════════════════════════════ */
        .config-section {
            padding: 4rem 2rem;
            background: var(--config-bg);
            border-top: 1px solid var(--glass-border);
            border-bottom: 1px solid var(--glass-border);
            position: relative;
            z-index: 1;
        }

        .config-container {
            max-width: 700px;
            margin: 0 auto;
            display: block;
            text-align: center;
        }

        .config-text h3 {
            font-family: 'DM Serif Display', serif;
            font-size: 1.75rem;
            font-weight: 400;
            color: var(--cream);
            margin-bottom: 1rem;
            text-align: center;
        }

        .config-text p {
            color: var(--silver);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 1rem;
        }

        .config-features {
            list-style: none;
            display: inline-block;
            text-align: left;
        }

        .config-features li {
            color: var(--mist);
            padding: 0.4rem 0;
            padding-left: 1.5rem;
            position: relative;
            font-size: 0.9rem;
        }

        .config-features li::before {
            content: "→";
            position: absolute;
            left: 0;
            color: var(--teal);
        }

        .config-code {
            background: var(--config-code-bg);
            border: 1px solid var(--glass-border);
            border-radius: 12px;
            padding: 1.75rem;
            overflow-x: auto;
        }

        .config-code pre {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.82rem;
            color: var(--mist);
            line-height: 1.7;
            margin: 0;
        }

        .config-code .comment { color: var(--silver); }
        .config-code .key { color: var(--ocean); }
        .config-code .value { color: var(--teal); }
        .config-code .string { color: var(--amber); }

        /* ═══════════════════════════════════════════
           PRODUCTS / APPLICATIONS
           ═══════════════════════════════════════════ */
        .products-section {
            padding: 5rem 2rem;
            position: relative;
            z-index: 1;
        }

        .products-container {
            max-width: 1400px;
            margin: 0 auto;
        }

        .products-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 1.25rem;
        }

        .product-card {
            background: var(--glass);
            border: 1px solid var(--glass-border);
            border-radius: 14px;
            padding: 1.75rem;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .product-card:hover {
            transform: translateY(-4px);
            border-color: rgba(14, 165, 233, 0.3);
            box-shadow: 0 8px 30px rgba(14, 165, 233, 0.08);
        }

        .product-header {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            margin-bottom: 0.75rem;
        }

        .product-icon { font-size: 2rem; flex-shrink: 0; }

        .product-header h3 {
            font-family: 'DM Serif Display', serif;
            font-size: 1.25rem;
            font-weight: 400;
            color: var(--cream);
        }

        .product-tagline {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.68rem;
            color: var(--ocean);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 0.75rem;
        }

        .product-outcome {
            background: rgba(20, 184, 166, 0.06);
            border-left: 3px solid var(--teal);
            padding: 0.6rem 0.9rem;
            border-radius: 0 8px 8px 0;
            font-size: 0.85rem;
            color: var(--teal);
            font-weight: 500;
            margin-bottom: 0.75rem;
        }

        .product-features {
            list-style: none;
        }

        .product-features li {
            color: var(--silver);
            padding: 0.3rem 0;
            padding-left: 1.25rem;
            position: relative;
            font-size: 0.85rem;
        }

        .product-features li::before {
            content: "→";
            position: absolute;
            left: 0;
            color: var(--ocean);
            font-size: 0.8rem;
        }

        /* ═══════════════════════════════════════════
           AGENTIC WORKFLOWS
           ═══════════════════════════════════════════ */
        .agentic-section {
            padding: 5rem 2rem;
            position: relative;
            z-index: 1;
            background: var(--glass);
            border-top: 1px solid var(--glass-border);
            border-bottom: 1px solid var(--glass-border);
        }

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

        .agentic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin: 3rem 0 2.5rem;
        }

        .agentic-card {
            background: var(--glass);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            padding: 2rem;
            text-align: center;
            transition: all 0.3s;
        }

        .agentic-card:hover {
            border-color: rgba(139, 92, 246, 0.3);
            background: var(--glass-hover);
            transform: translateY(-2px);
        }

        .agentic-icon {
            font-size: 2rem;
            margin-bottom: 1rem;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            background: rgba(139, 92, 246, 0.1);
            border: 2px solid rgba(139, 92, 246, 0.3);
        }

        .agentic-card h4 {
            font-size: 1.05rem;
            color: var(--cream);
            margin-bottom: 0.5rem;
        }

        .agentic-card p {
            color: var(--silver);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .agentic-bottom-text {
            text-align: center;
            color: var(--mist);
            font-size: 0.95rem;
            max-width: 700px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ═══════════════════════════════════════════
           COMPARISON
           ═══════════════════════════════════════════ */
        .comparison-section {
            padding: 5rem 2rem;
            max-width: 1100px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

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

        .comparison-card {
            border-radius: 16px;
            padding: 2.5rem;
        }

        .comparison-card.old {
            background: rgba(225, 29, 72, 0.04);
            border: 1px solid rgba(225, 29, 72, 0.12);
        }

        .comparison-card.new {
            background: rgba(20, 184, 166, 0.04);
            border: 1px solid rgba(20, 184, 166, 0.15);
        }

        .comparison-card h3 {
            font-family: 'DM Serif Display', serif;
            font-size: 1.4rem;
            font-weight: 400;
            margin-bottom: 1.5rem;
        }

        .comparison-card.old h3 { color: var(--rose); }
        .comparison-card.new h3 { color: var(--teal); }

        .comparison-card ul {
            list-style: none;
        }

        .comparison-card li {
            color: var(--mist);
            padding: 0.55rem 0;
            padding-left: 1.75rem;
            position: relative;
            font-size: 0.92rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .comparison-card li:last-child { border-bottom: none; }

        .comparison-card.old li::before {
            content: "✕";
            position: absolute;
            left: 0;
            color: var(--rose);
            font-weight: 600;
        }

        .comparison-card.new li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--teal);
            font-weight: 600;
        }

        /* ═══════════════════════════════════════════
           PROOF / TESTIMONIALS
           ═══════════════════════════════════════════ */
        .proof-section {
            padding: 5rem 2rem;
            background: var(--proof-bg);
            border-top: 1px solid var(--glass-border);
            position: relative;
            z-index: 1;
        }

        .proof-container {
            max-width: 1200px;
            margin: 0 auto;
        }

        .proof-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .proof-card {
            background: var(--glass);
            border: 1px solid var(--glass-border);
            border-radius: 16px;
            padding: 2.25rem;
            position: relative;
        }

        .proof-card::before {
            content: '"';
            font-family: 'DM Serif Display', serif;
            font-size: 3.5rem;
            color: var(--ocean);
            opacity: 0.25;
            position: absolute;
            top: 0.75rem;
            left: 1.25rem;
            line-height: 1;
        }

        .proof-card blockquote {
            font-size: 0.95rem;
            color: var(--mist);
            line-height: 1.7;
            margin-bottom: 1.25rem;
            font-style: italic;
            padding-top: 1.25rem;
        }

        .proof-author {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--cream);
        }

        .proof-org {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.72rem;
            color: var(--silver);
        }

        /* ═══════════════════════════════════════════
           ABOUT / FOUNDER
           ═══════════════════════════════════════════ */
        .about-section {
            padding: 5rem 2rem;
            background: var(--about-bg);
            border-top: 1px solid var(--glass-border);
            position: relative;
            z-index: 1;
        }

        .about-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .about-container p {
            color: var(--mist);
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: 1.25rem;
        }

        .experience-badges {
            display: flex;
            gap: 0.75rem;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 2rem;
        }

        .exp-badge {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.72rem;
            color: var(--teal);
            letter-spacing: 0.05em;
            padding: 0.5rem 1rem;
            border: 1px solid rgba(20, 184, 166, 0.2);
            border-radius: 8px;
            background: rgba(20, 184, 166, 0.04);
        }

        /* ═══════════════════════════════════════════
           FINAL CTA
           ═══════════════════════════════════════════ */
        .cta-section {
            padding: 6rem 2rem;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-family: 'DM Serif Display', serif;
            font-size: 2.75rem;
            font-weight: 400;
            margin-bottom: 1.25rem;
            background: linear-gradient(135deg, var(--hero-grad-from) 0%, var(--ocean) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .cta-section p {
            font-size: 1.15rem;
            color: var(--silver);
            margin-bottom: 2.5rem;
            line-height: 1.8;
        }

        .cta-detail {
            font-family: 'IBM Plex Mono', monospace;
            font-size: 0.78rem;
            color: var(--silver);
            margin-top: 1.5rem;
        }

        /* ═══════════════════════════════════════════
           FOOTER
           ═══════════════════════════════════════════ */
        footer {
            background: var(--footer-bg);
            border-top: 1px solid var(--glass-border);
            padding: 3rem 2rem 2rem;
            position: relative;
            z-index: 1;
        }

        .footer-grid {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 2rem;
        }

        .footer-brand h3 {
            font-family: 'DM Serif Display', serif;
            font-size: 1.35rem;
            font-weight: 400;
            color: var(--cream);
            margin-bottom: 0.75rem;
        }

        .footer-brand p {
            color: var(--silver);
            font-size: 0.88rem;
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--cream);
        }

        .footer-col ul { list-style: none; }
        .footer-col li { margin-bottom: 0.5rem; }

        .footer-col a {
            color: var(--silver);
            text-decoration: none;
            transition: color 0.3s;
            font-size: 0.88rem;
        }

        .footer-col a:hover { color: var(--ocean); }

        .footer-bottom {
            max-width: 1400px;
            margin: 0 auto;
            padding-top: 1.5rem;
            border-top: 1px solid var(--glass-border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-bottom p {
            color: var(--silver);
            font-size: 0.82rem;
        }

        /* ═══════════════════════════════════════════
           RESPONSIVE
           ═══════════════════════════════════════════ */
        @media (max-width: 1024px) {
            .layers-grid { grid-template-columns: repeat(2, 1fr); }
            .outcomes-grid { grid-template-columns: repeat(2, 1fr); }
            .proof-grid { grid-template-columns: 1fr; }
            .comparison-grid { grid-template-columns: 1fr; }
            .agentic-grid { grid-template-columns: 1fr; }
            .config-container { }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }

        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--nav-mobile-bg);
                backdrop-filter: blur(20px);
                padding: 1.5rem 2rem;
                border-bottom: 1px solid var(--glass-border);
                gap: 1rem;
            }
            .nav-toggle { display: block; }
            .hero h1 { font-size: 2.25rem; }
            .hero { min-height: 480px; }
            .hero-scene { padding: 3rem 1.5rem 2.5rem; }
            .scene-brand .brand-logo-img { width: 100px; height: 100px; }
            .scene-brand .brand-logo-text { font-size: 3.5rem; }
            .scene-brand .brand-tagline { font-size: 0.85rem; letter-spacing: 3px; }
            .manifesto-layout { flex-direction: column; gap: 1.5rem; }
            .build-vignette { display: none; }
            .tombstone-row { gap: 0.5rem; }
            .tombstone { width: 110px; }
            .tombstone-stone { padding: 1rem 0.5rem 0.75rem; }
            .tombstone-text { font-size: 0.55rem; }
            .scene-stat .stat-number { font-size: 5rem; }
            .scene-stat .stat-text h2 { font-size: 1.75rem; }
            .pipeline-arrow { display: none; }
            .pipeline-steps { gap: 1rem; }
            .app-grid-hero { grid-template-columns: repeat(5, 1fr); gap: 0.5rem; }
            .app-card-mini { padding: 0.75rem 0.25rem; }
            .app-card-mini .app-icon { font-size: 1.15rem; }
            .app-card-mini .app-name { font-size: 0.55rem; }
            .section-title { font-size: 2rem; }
            .problem-grid { grid-template-columns: 1fr; }
            .products-grid { grid-template-columns: 1fr; }
            .layers-grid { grid-template-columns: 1fr; }
            .outcomes-grid { grid-template-columns: 1fr 1fr; }
            .pipeline-visual { gap: 0.5rem; }
            .pipeline-arrow { display: none; }
            .pipeline-benefits { flex-direction: column; align-items: center; }
            .footer-grid { grid-template-columns: 1fr; }
        }

        /* ═══════════════════════════════════════════
           ANIMATIONS
           ═══════════════════════════════════════════ */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .animate-in {
            opacity: 0;
            transform: translateY(20px);
        }

        .animate-in.visible {
            animation: fadeInUp 0.6s ease forwards;
        }

        /* ═══════════════════════════════════════════
           THEME TOGGLE
           ═══════════════════════════════════════════ */
        .theme-toggle {
            background: var(--glass);
            border: 1px solid var(--glass-border);
            color: var(--cream);
            width: 38px;
            height: 38px;
            border-radius: 10px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: all 0.3s;
            flex-shrink: 0;
        }
        .theme-toggle:hover {
            border-color: var(--ocean);
            background: var(--glass-hover);
        }
        .theme-toggle .icon-sun { display: none; }
        .theme-toggle .icon-moon { display: inline; }
        [data-theme="light"] .theme-toggle .icon-sun { display: inline; }
        [data-theme="light"] .theme-toggle .icon-moon { display: none; }

        /* ═══════════════════════════════════════════
           LIGHT THEME SPECIFIC OVERRIDES
           ═══════════════════════════════════════════ */
        [data-theme="light"] .nav-brand img {
            filter: drop-shadow(0 0 8px rgba(2, 132, 199, 0.2));
        }

        [data-theme="light"] .hero-scene.active .arc-path-bg {
            stroke: rgba(0,0,0,0.08);
        }

        [data-theme="light"] .hero-progress-track {
            background: rgba(0,0,0,0.06);
        }

        [data-theme="light"] .step-icon {
            background: rgba(0,0,0,0.03);
            border: 1px solid rgba(0,0,0,0.08);
        }
        [data-theme="light"] .step-icon::after {
            background: linear-gradient(135deg, rgba(0,0,0,0.05), transparent);
        }

        [data-theme="light"] .app-card-mini {
            background: rgba(0,0,0,0.03);
            border: 1px solid rgba(0,0,0,0.08);
        }

        [data-theme="light"] .tombstone-ground {
            background: linear-gradient(180deg, rgba(0,0,0,0.04), transparent);
        }

        [data-theme="light"] .tombstone-stone::before,
        [data-theme="light"] .v-stone::before {
            opacity: 0.5;
        }

        [data-theme="light"] .build-vignette::after {
            background: radial-gradient(ellipse at center bottom, rgba(248,250,252,0.5) 0%, transparent 60%);
        }

        [data-theme="light"] .v-stone {
            background: linear-gradient(180deg, rgba(100,116,139,0.12), rgba(71,85,105,0.06));
            border-color: rgba(100,116,139,0.2);
        }

        [data-theme="light"] .v-text {
            color: rgba(51,65,85,0.65);
        }

        [data-theme="light"] .scene-brand .brand-logo-text {
            background: linear-gradient(135deg, var(--ocean), var(--teal));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        [data-theme="light"] .hero h1 em {
            -webkit-text-fill-color: var(--rose);
        }

        [data-theme="light"] .scene-cta h1 em {
            -webkit-text-fill-color: var(--teal);
        }

        [data-theme="light"] .comparison-card li {
            border-bottom-color: rgba(0,0,0,0.04);
        }

        [data-theme="light"] .config-code pre {
            color: #e2e8f0;
        }
        [data-theme="light"] .config-code .comment { color: #94a3b8; }
        [data-theme="light"] .config-code .key { color: #38bdf8; }
        [data-theme="light"] .config-code .value { color: #5eead4; }
        [data-theme="light"] .config-code .string { color: #fbbf24; }

        /* Footer stays dark in light mode for contrast */
        [data-theme="light"] footer {
            color: #e2e8f0;
        }
        [data-theme="light"] .footer-brand h3 { color: #fdfbf7; }
        [data-theme="light"] .footer-brand p { color: #94a3b8; }
        [data-theme="light"] .footer-col h4 { color: #fdfbf7; }
        [data-theme="light"] .footer-col a { color: #94a3b8; }
        [data-theme="light"] .footer-col a:hover { color: #0ea5e9; }
        [data-theme="light"] .footer-bottom p { color: #94a3b8; }
        [data-theme="light"] .footer-bottom { border-top-color: rgba(255,255,255,0.08); }

        [data-theme="light"] .btn-secondary {
            border-color: rgba(0,0,0,0.15);
        }
        [data-theme="light"] .btn-secondary:hover {
            border-color: var(--ocean);
        }

        [data-theme="light"] .scene-cta .cta-badge {
            background: linear-gradient(135deg, rgba(2,132,199,0.1), rgba(13,148,136,0.1));
            border-color: rgba(2,132,199,0.25);
        }

        [data-theme="light"] .hero-badge.rose {
            background: rgba(190, 18, 60, 0.06);
            border-color: rgba(190, 18, 60, 0.25);
        }
        [data-theme="light"] .hero-badge.ocean {
            background: rgba(2, 132, 199, 0.06);
            border-color: rgba(2, 132, 199, 0.25);
        }
        [data-theme="light"] .hero-badge.teal {
            background: rgba(13, 148, 136, 0.06);
            border-color: rgba(13, 148, 136, 0.25);
        }

        [data-theme="light"] .problem-card {
            background: rgba(190, 18, 60, 0.04);
            border-color: rgba(190, 18, 60, 0.12);
        }
        [data-theme="light"] .problem-card:hover {
            border-color: rgba(190, 18, 60, 0.25);
        }

        [data-theme="light"] .comparison-card.old {
            background: rgba(190, 18, 60, 0.04);
            border-color: rgba(190, 18, 60, 0.12);
        }
        [data-theme="light"] .comparison-card.new {
            background: rgba(13, 148, 136, 0.04);
            border-color: rgba(13, 148, 136, 0.15);
        }