:root {
            --primary-navy: #1E3A5F;
            --primary-navy-dark: #0F1F3A;
            --accent-teal: #00D4AA;
            --accent-teal-light: #00F5C4;
            --accent-blue: #4A90D9;
            --success-green: #10B981;
            --warning-amber: #F59E0B;
            --error-red: #EF4444;
            --bg-primary: #FFFFFF;
            --bg-secondary: #F8FAFC;
            --bg-tertiary: #F1F5F9;
            --text-primary: #0F1724;
            --text-secondary: #475569;
            --text-tertiary: #94A3B8;
            --border-color: #E2E8F0;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            --gradient-primary: linear-gradient(135deg, #1E3A5F 0%, #00D4AA 100%);
            --gradient-teal: linear-gradient(135deg, #00D4AA 0%, #00F5C4 100%);
            --gradient-dark: linear-gradient(135deg, #0F1F3A 0%, #1E3A5F 100%);
            --code-bg: #1E293B;
            --transition-fast: 150ms ease;
            --transition-normal: 300ms ease;
            --transition-slow: 500ms ease;
            --border-radius-sm: 6px;
            --border-radius-md: 10px;
            --border-radius-lg: 16px;
            --border-radius-xl: 24px;
            --container-max: 1400px;
            --sidebar-width: 280px;
        }

        [data-theme="dark"] {
            --primary-navy: #00D4AA;
            --primary-navy-dark: #00B894;
            --accent-teal: #00F5C4;
            --bg-primary: #0A0F1A;
            --bg-secondary: #111827;
            --bg-tertiary: #1E293B;
            --text-primary: #F8FAFC;
            --text-secondary: #CBD5E1;
            --text-tertiary: #64748B;
            --border-color: #334155;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.4);
            --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.5);
            --code-bg: #0F172A;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            transition: background-color var(--transition-normal), color var(--transition-normal);
            overflow-x: hidden;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ==================== HEADER ==================== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background-color: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            transition: all var(--transition-normal);
        }

        .header.scrolled {
            box-shadow: var(--shadow-md);
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
        }

        [data-theme="dark"] .header.scrolled {
            background-color: rgba(10, 15, 26, 0.95);
        }

        .header-content {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--text-primary);
            transition: opacity var(--transition-fast);
        }

        .logo:hover {
            opacity: 0.8;
        }

        .logo-icon {
            width: 42px;
            height: 42px;
            background: var(--gradient-primary);
            border-radius: var(--border-radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 20px;
            color: white;
            font-family: 'JetBrains Mono', monospace;
        }

        .logo-text {
            font-size: 24px;
            font-weight: 700;
            letter-spacing: -0.5px;
            font-family: 'Inter', sans-serif;
        }

        .logo-text span {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 15px;
            font-weight: 500;
            transition: color var(--transition-fast);
            position: relative;
        }

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

        [data-theme="dark"] .nav-links a:hover {
            color: var(--accent-teal);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--gradient-primary);
            transition: width var(--transition-normal);
        }

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

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--border-radius-md);
            text-decoration: none;
            transition: all var(--transition-fast);
            cursor: pointer;
            border: none;
            font-family: inherit;
        }

        .btn-primary {
            background: var(--gradient-primary);
            color: white;
            box-shadow: var(--shadow-md);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-secondary {
            background: var(--bg-tertiary);
            color: var(--text-primary);
            border: 1px solid var(--border-color);
        }

        .btn-secondary:hover {
            background: var(--border-color);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-secondary);
            padding: 10px 16px;
        }

        .btn-ghost:hover {
            background: var(--bg-tertiary);
            color: var(--text-primary);
        }

        .theme-toggle {
            width: 44px;
            height: 44px;
            border-radius: var(--border-radius-md);
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-fast);
            color: var(--text-secondary);
        }

        .theme-toggle:hover {
            background: var(--border-color);
            color: var(--text-primary);
        }

        .theme-toggle svg {
            width: 22px;
            height: 22px;
        }

        .mobile-menu-btn {
            display: none;
            width: 44px;
            height: 44px;
            border-radius: var(--border-radius-md);
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .mobile-menu-btn svg {
            width: 24px;
            height: 24px;
            color: var(--text-secondary);
        }

        /* ==================== HERO SECTION ==================== */
        .hero {
            padding: 160px 0 100px;
            background: var(--bg-secondary);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 80%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(30, 58, 95, 0.1) 0%, transparent 50%);
            pointer-events: none;
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-text h1 {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.1;
            letter-spacing: -1.5px;
            margin-bottom: 24px;
        }

        .hero-text h1 span {
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 20px;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.6;
        }

        .hero-description {
            font-size: 17px;
            color: var(--text-tertiary);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-cta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-metrics {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 48px;
        }

        .metric-card {
            background: var(--bg-primary);
            padding: 24px;
            border-radius: var(--border-radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }

        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent-teal);
        }

        .metric-value {
            font-size: 36px;
            font-weight: 700;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 8px;
            font-family: 'JetBrains Mono', monospace;
        }

        .metric-label {
            font-size: 14px;
            color: var(--text-tertiary);
            font-weight: 500;
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-diagram {
            width: 100%;
            max-width: 500px;
            aspect-ratio: 1;
            background: var(--bg-primary);
            border-radius: var(--border-radius-xl);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-xl);
            padding: 40px;
            position: relative;
        }

        .convergence-diagram {
            width: 100%;
            height: 100%;
            position: relative;
        }

        .convergence-point {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 60px;
            height: 60px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 40px rgba(0, 212, 170, 0.4);
            animation: pulse 2s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 1; }
            50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.8; }
        }

        .convergence-point svg {
            width: 32px;
            height: 32px;
            color: white;
        }

        .convergence-line {
            position: absolute;
            height: 3px;
            background: var(--gradient-primary);
            transform-origin: left center;
            opacity: 0.6;
        }

        .model-node {
            position: absolute;
            width: 80px;
            height: 80px;
            background: var(--bg-tertiary);
            border: 2px solid var(--border-color);
            border-radius: var(--border-radius-md);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-size: 11px;
            font-weight: 600;
            color: var(--text-secondary);
            transition: all var(--transition-normal);
        }

        .model-node:hover {
            border-color: var(--accent-teal);
            background: var(--bg-primary);
            transform: scale(1.05);
        }

        .model-node svg {
            width: 28px;
            height: 28px;
            margin-bottom: 6px;
            color: var(--primary-navy);
        }

        [data-theme="dark"] .model-node svg {
            color: var(--accent-teal);
        }

        .hero-models {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-top: 32px;
            flex-wrap: wrap;
        }

        .model-badge {
            padding: 8px 16px;
            background: var(--bg-tertiary);
            border-radius: var(--border-radius-sm);
            font-size: 13px;
            font-weight: 500;
            color: var(--text-secondary);
            font-family: 'JetBrains Mono', monospace;
            border: 1px solid var(--border-color);
        }

        /* ==================== SECTIONS ==================== */
        .section {
            padding: 100px 0;
        }

        .section-alt {
            background: var(--bg-secondary);
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 60px;
        }

        .section-label {
            display: inline-block;
            padding: 6px 16px;
            background: var(--bg-tertiary);
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-navy);
            margin-bottom: 16px;
            font-family: 'JetBrains Mono', monospace;
            border: 1px solid var(--border-color);
        }

        [data-theme="dark"] .section-label {
            color: var(--accent-teal);
        }

        .section-title {
            font-size: 42px;
            font-weight: 700;
            letter-spacing: -1px;
            margin-bottom: 20px;
            line-height: 1.2;
        }

        .section-description {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ==================== CARDS GRID ==================== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 24px;
        }

        .card {
            background: var(--bg-primary);
            border-radius: var(--border-radius-lg);
            border: 1px solid var(--border-color);
            padding: 32px;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--gradient-primary);
            transform: scaleX(0);
            transition: transform var(--transition-normal);
        }

        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--accent-teal);
        }

        .card:hover::before {
            transform: scaleX(1);
        }

        .card-icon {
            width: 56px;
            height: 56px;
            background: var(--bg-tertiary);
            border-radius: var(--border-radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            transition: all var(--transition-normal);
        }

        .card:hover .card-icon {
            background: var(--gradient-primary);
        }

        .card-icon svg {
            width: 28px;
            height: 28px;
            color: var(--primary-navy);
            transition: color var(--transition-normal);
        }

        .card:hover .card-icon svg {
            color: white;
        }

        .card-title {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .card-description {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ==================== PROBLEM SECTION ==================== */
        .problem-section {
            padding: 100px 0;
        }

        .problem-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .problem-card {
            background: var(--bg-primary);
            border-radius: var(--border-radius-lg);
            border: 1px solid var(--border-color);
            padding: 40px;
            transition: all var(--transition-normal);
        }

        .problem-card:hover {
            border-color: var(--error-red);
            box-shadow: var(--shadow-lg);
        }

        .problem-icon {
            width: 64px;
            height: 64px;
            background: rgba(239, 68, 68, 0.1);
            border-radius: var(--border-radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
        }

        .problem-icon svg {
            width: 32px;
            height: 32px;
            color: var(--error-red);
        }

        .problem-title {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .problem-description {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .problem-stat {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px;
            background: var(--bg-tertiary);
            border-radius: var(--border-radius-md);
            margin-top: 20px;
        }

        .problem-stat-value {
            font-size: 24px;
            font-weight: 700;
            color: var(--error-red);
            font-family: 'JetBrains Mono', monospace;
        }

        .problem-stat-label {
            font-size: 13px;
            color: var(--text-tertiary);
        }

        /* ==================== COST TABLE ==================== */
        .cost-section {
            background: var(--bg-secondary);
            padding: 100px 0;
        }

        .cost-table {
            width: 100%;
            background: var(--bg-primary);
            border-radius: var(--border-radius-lg);
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .cost-table-header {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            padding: 20px 32px;
            background: var(--bg-tertiary);
            border-bottom: 1px solid var(--border-color);
            font-weight: 600;
            font-size: 14px;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .cost-table-row {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            padding: 24px 32px;
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-fast);
        }

        .cost-table-row:last-child {
            border-bottom: none;
        }

        .cost-table-row:hover {
            background: var(--bg-tertiary);
        }

        .cost-item-name {
            font-weight: 500;
            color: var(--text-primary);
        }

        .cost-item-desc {
            font-size: 13px;
            color: var(--text-tertiary);
            margin-top: 4px;
        }

        .cost-item-value {
            font-family: 'JetBrains Mono', monospace;
            font-weight: 600;
            color: var(--text-primary);
        }

        .cost-table-total {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            padding: 28px 32px;
            background: var(--gradient-primary);
            color: white;
            font-weight: 700;
        }

        .cost-table-total .cost-item-name,
        .cost-table-total .cost-item-value {
            color: white;
        }

        .cost-table-total .cost-item-desc {
            color: rgba(255, 255, 255, 0.8);
        }

        /* ==================== SOLUTION SECTION ==================== */
        .solution-section {
            padding: 100px 0;
        }

        .solution-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
            margin-top: 60px;
        }

        .solution-card {
            background: var(--bg-primary);
            border-radius: var(--border-radius-lg);
            border: 1px solid var(--border-color);
            padding: 40px;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .solution-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-teal);
            transform: scaleX(0);
            transition: transform var(--transition-normal);
        }

        .solution-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--accent-teal);
        }

        .solution-card:hover::after {
            transform: scaleX(1);
        }

        .solution-icon {
            width: 64px;
            height: 64px;
            background: var(--gradient-primary);
            border-radius: var(--border-radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
        }

        .solution-icon svg {
            width: 32px;
            height: 32px;
            color: white;
        }

        .solution-title {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .solution-description {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .solution-benefits {
            list-style: none;
            margin-top: 20px;
        }

        .solution-benefits li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            font-size: 14px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-color);
        }

        .solution-benefits li:last-child {
            border-bottom: none;
        }

        .solution-benefits li svg {
            width: 20px;
            height: 20px;
            color: var(--success-green);
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ==================== ARCHITECTURE SECTION ==================== */
        .architecture-section {
            background: var(--bg-secondary);
            padding: 100px 0;
        }

        .architecture-layers {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 900px;
            margin: 0 auto;
        }

        .layer-card {
            display: grid;
            grid-template-columns: 80px 1fr;
            gap: 24px;
            background: var(--bg-primary);
            border-radius: var(--border-radius-lg);
            border: 1px solid var(--border-color);
            padding: 28px 32px;
            transition: all var(--transition-normal);
            align-items: center;
        }

        .layer-card:hover {
            transform: translateX(8px);
            border-color: var(--accent-teal);
            box-shadow: var(--shadow-md);
        }

        .layer-number {
            width: 56px;
            height: 56px;
            background: var(--gradient-primary);
            border-radius: var(--border-radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 700;
            color: white;
            font-family: 'JetBrains Mono', monospace;
            flex-shrink: 0;
        }

        .layer-content h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .layer-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ==================== TECH STACK ==================== */
        .tech-stack {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 60px;
        }

        .tech-category {
            background: var(--bg-primary);
            border-radius: var(--border-radius-lg);
            border: 1px solid var(--border-color);
            padding: 32px;
        }

        .tech-category-title {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .tech-category-title svg {
            width: 22px;
            height: 22px;
            color: var(--primary-navy);
        }

        [data-theme="dark"] .tech-category-title svg {
            color: var(--accent-teal);
        }

        .tech-list {
            list-style: none;
        }

        .tech-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            font-size: 14px;
            color: var(--text-secondary);
            border-bottom: 1px solid var(--border-color);
        }

        .tech-list li:last-child {
            border-bottom: none;
        }

        .tech-list li::before {
            content: '•';
            color: var(--accent-teal);
            font-weight: bold;
        }

        /* ==================== CONSENSUS ENGINE ==================== */
        .consensus-section {
            padding: 100px 0;
        }

        .consensus-layers {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
            margin-top: 60px;
        }

        .consensus-layer {
            background: var(--bg-primary);
            border-radius: var(--border-radius-lg);
            border: 1px solid var(--border-color);
            padding: 32px;
            transition: all var(--transition-normal);
        }

        .consensus-layer:hover {
            border-color: var(--accent-teal);
            box-shadow: var(--shadow-md);
        }

        .consensus-layer-header {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
        }

        .consensus-layer-number {
            width: 48px;
            height: 48px;
            background: var(--bg-tertiary);
            border-radius: var(--border-radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            color: var(--primary-navy);
            font-family: 'JetBrains Mono', monospace;
            border: 2px solid var(--border-color);
        }

        [data-theme="dark"] .consensus-layer-number {
            color: var(--accent-teal);
            border-color: var(--accent-teal);
        }

        .consensus-layer-title {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .consensus-layer-description {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ==================== DECISION BRIEF ==================== */
        .decision-brief {
            background: var(--code-bg);
            border-radius: var(--border-radius-lg);
            padding: 32px;
            margin-top: 48px;
            font-family: 'JetBrains Mono', monospace;
            font-size: 13px;
            line-height: 1.8;
            color: #E2E8F0;
            overflow-x: auto;
            border: 1px solid var(--border-color);
        }

        .decision-brief .key {
            color: var(--accent-teal);
        }

        .decision-brief .string {
            color: #A5F3FC;
        }

        .decision-brief .number {
            color: #FCD34D;
        }

        .decision-brief .comment {
            color: #64748B;
        }

        /* ==================== METRICS SECTION ==================== */
        .metrics-section {
            background: var(--bg-secondary);
            padding: 100px 0;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 60px;
        }

        .metric-large {
            background: var(--bg-primary);
            border-radius: var(--border-radius-lg);
            border: 1px solid var(--border-color);
            padding: 40px 32px;
            text-align: center;
            transition: all var(--transition-normal);
        }

        .metric-large:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
            border-color: var(--accent-teal);
        }

        .metric-large-value {
            font-size: 48px;
            font-weight: 700;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 12px;
            font-family: 'JetBrains Mono', monospace;
        }

        .metric-large-label {
            font-size: 15px;
            color: var(--text-secondary);
            font-weight: 500;
            line-height: 1.5;
        }

        /* ==================== ROI CHART ==================== */
        .roi-chart {
            background: var(--bg-primary);
            border-radius: var(--border-radius-lg);
            border: 1px solid var(--border-color);
            padding: 40px;
            margin-top: 60px;
        }

        .roi-chart-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 32px;
        }

        .roi-chart-title {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-primary);
        }

        .roi-chart-legend {
            display: flex;
            gap: 24px;
        }

        .legend-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }

        .legend-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }

        .legend-dot.single {
            background: var(--text-tertiary);
        }

        .legend-dot.opencorum {
            background: var(--gradient-primary);
        }

        .chart-container {
            position: relative;
            height: 300px;
            display: flex;
            align-items: flex-end;
            gap: 16px;
            padding: 20px 0;
            border-bottom: 2px solid var(--border-color);
            border-left: 2px solid var(--border-color);
        }

        .chart-bar {
            flex: 1;
            background: var(--gradient-primary);
            border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
            transition: all var(--transition-normal);
            position: relative;
            min-height: 40px;
        }

        .chart-bar:hover {
            opacity: 0.8;
            transform: scaleX(1.05);
        }

        .chart-bar-label {
            position: absolute;
            bottom: -30px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 12px;
            color: var(--text-tertiary);
            font-weight: 500;
        }

        .chart-bar-value {
            position: absolute;
            top: -25px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 12px;
            font-weight: 600;
            color: var(--text-primary);
            font-family: 'JetBrains Mono', monospace;
        }

        /* ==================== ROADMAP ==================== */
        .roadmap-section {
            padding: 100px 0;
        }

        .roadmap {
            position: relative;
            max-width: 900px;
            margin: 60px auto 0;
        }

        .roadmap::before {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 4px;
            height: 100%;
            background: var(--gradient-primary);
            border-radius: 2px;
        }

        .roadmap-item {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            margin-bottom: 60px;
            position: relative;
        }

        .roadmap-item:nth-child(even) .roadmap-content {
            order: 2;
        }

        .roadmap-item:nth-child(even) .roadmap-marker {
            order: 1;
        }

        .roadmap-marker {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: flex-end;
            padding-right: 40px;
        }

        .roadmap-item:nth-child(even) .roadmap-marker {
            justify-content: flex-start;
            padding-right: 0;
            padding-left: 40px;
        }

        .roadmap-dot {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 20px;
            background: var(--gradient-primary);
            border-radius: 50%;
            border: 4px solid var(--bg-primary);
            box-shadow: var(--shadow-md);
        }

        .roadmap-content {
            background: var(--bg-primary);
            border-radius: var(--border-radius-lg);
            border: 1px solid var(--border-color);
            padding: 32px;
            transition: all var(--transition-normal);
        }

        .roadmap-content:hover {
            border-color: var(--accent-teal);
            box-shadow: var(--shadow-md);
        }

        .roadmap-quarter {
            display: inline-block;
            padding: 6px 14px;
            background: var(--bg-tertiary);
            border-radius: 100px;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary-navy);
            margin-bottom: 16px;
            font-family: 'JetBrains Mono', monospace;
        }

        [data-theme="dark"] .roadmap-quarter {
            color: var(--accent-teal);
        }

        .roadmap-title {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--text-primary);
        }

        .roadmap-list {
            list-style: none;
        }

        .roadmap-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            font-size: 14px;
            color: var(--text-secondary);
        }

        .roadmap-list li svg {
            width: 18px;
            height: 18px;
            color: var(--success-green);
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* ==================== TEAM SECTION ==================== */
        .team-section {
            background: var(--bg-secondary);
            padding: 100px 0;
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-top: 60px;
        }

        .team-card {
            background: var(--bg-primary);
            border-radius: var(--border-radius-lg);
            border: 1px solid var(--border-color);
            padding: 40px;
            text-align: center;
            transition: all var(--transition-normal);
        }

        .team-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
            border-color: var(--accent-teal);
        }

        .team-avatar {
            width: 120px;
            height: 120px;
            background: var(--gradient-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            font-size: 42px;
            font-weight: 700;
            color: white;
            font-family: 'JetBrains Mono', monospace;
        }

        .team-name {
            font-size: 22px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-primary);
        }

        .team-role {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 20px;
        }

        .team-bio {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .team-contact {
            display: flex;
            justify-content: center;
            gap: 16px;
        }

        .team-contact a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 18px;
            background: var(--bg-tertiary);
            border-radius: var(--border-radius-md);
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-fast);
        }

        .team-contact a:hover {
            background: var(--gradient-primary);
            color: white;
        }

        .team-contact a svg {
            width: 18px;
            height: 18px;
        }

        /* ==================== CTA SECTION ==================== */
        .cta-section {
            padding: 100px 0;
        }

        .cta-box {
            background: var(--gradient-primary);
            border-radius: var(--border-radius-xl);
            padding: 80px 60px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: 
                radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
            pointer-events: none;
        }

        .cta-title {
            font-size: 42px;
            font-weight: 700;
            color: white;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .cta-description {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.9);
            max-width: 600px;
            margin: 0 auto 40px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .btn-white {
            background: white;
            color: var(--primary-navy);
            box-shadow: var(--shadow-md);
        }

        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline-white {
            background: transparent;
            color: white;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: white;
        }

        /* ==================== FOOTER ==================== */
        .footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 80px 0 40px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 60px;
            margin-bottom: 60px;
        }

        .footer-brand .logo {
            margin-bottom: 20px;
        }

        .footer-brand-description {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .footer-social {
            display: flex;
            gap: 12px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            background: var(--bg-tertiary);
            border-radius: var(--border-radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .footer-social a:hover {
            background: var(--gradient-primary);
            color: white;
        }

        .footer-social a svg {
            width: 20px;
            height: 20px;
        }

        .footer-column-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 14px;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: var(--primary-navy);
        }

        [data-theme="dark"] .footer-links a:hover {
            color: var(--accent-teal);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 40px;
            border-top: 1px solid var(--border-color);
        }

        .footer-copyright {
            font-size: 14px;
            color: var(--text-tertiary);
        }

        .footer-legal {
            display: flex;
            gap: 24px;
        }

        .footer-legal a {
            color: var(--text-tertiary);
            text-decoration: none;
            font-size: 14px;
            transition: color var(--transition-fast);
        }

        .footer-legal a:hover {
            color: var(--text-secondary);
        }

        /* ==================== PRINT STYLES ==================== */
        @media print {
            .header, .footer, .theme-toggle, .mobile-menu-btn, .btn, .hero-visual, .roadmap::before {
                display: none !important;
            }

            body {
                background: white !important;
                color: black !important;
            }

            .hero, .section, .section-alt {
                padding: 40px 0 !important;
                background: white !important;
            }

            .card, .problem-card, .solution-card, .layer-card, .tech-category,
            .consensus-layer, .metric-large, .roadmap-content, .team-card {
                break-inside: avoid;
                box-shadow: none !important;
                border: 1px solid #ddd !important;
            }

            .hero-text h1 {
                font-size: 36px !important;
            }

            .section-title {
                font-size: 28px !important;
            }

            .cost-table, .roi-chart {
                box-shadow: none !important;
            }

            .cta-box {
                background: #1E3A5F !important;
                -webkit-print-color-adjust: exact;
                print-color-adjust: exact;
            }
        }

        /* ==================== RESPONSIVE ==================== */
        @media (max-width: 1200px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

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

        @media (max-width: 992px) {
            .hero-content {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .hero-text h1 {
                font-size: 42px;
            }

            .hero-cta {
                justify-content: center;
            }

            .hero-metrics {
                max-width: 500px;
                margin: 48px auto 0;
            }

            .hero-visual {
                order: -1;
            }

            .problem-grid, .solution-grid, .consensus-layers {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .roadmap-item {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .roadmap-item:nth-child(even) .roadmap-content {
                order: 1;
            }

            .roadmap-item:nth-child(even) .roadmap-marker {
                order: 2;
                justify-content: flex-end;
                padding-right: 40px;
                padding-left: 0;
            }

            .roadmap-marker {
                justify-content: flex-start;
                padding-right: 0;
            }

            .roadmap::before {
                left: 20px;
            }

            .roadmap-dot {
                left: 20px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

            .mobile-menu-btn {
                display: flex;
            }

            .hero {
                padding: 120px 0 60px;
            }

            .hero-text h1 {
                font-size: 32px;
            }

            .hero-subtitle {
                font-size: 17px;
            }

            .section-title {
                font-size: 32px;
            }

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

            .cost-table-header, .cost-table-row, .cost-table-total {
                grid-template-columns: 1fr;
                gap: 8px;
            }

            .cost-table-header {
                display: none;
            }

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

            .tech-stack {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 20px;
                text-align: center;
            }

            .cta-box {
                padding: 50px 30px;
            }

            .cta-title {
                font-size: 28px;
            }

            .architecture-layers {
                gap: 12px;
            }

            .layer-card {
                grid-template-columns: 60px 1fr;
                padding: 20px;
            }

            .layer-number {
                width: 44px;
                height: 44px;
                font-size: 18px;
            }
        }

        @media (max-width: 480px) {
            .container {
                padding: 0 16px;
            }

            .hero-metrics {
                grid-template-columns: 1fr;
            }

            .hero-diagram {
                padding: 24px;
            }

            .card, .problem-card, .solution-card {
                padding: 24px;
            }

            .btn {
                padding: 10px 18px;
                font-size: 14px;
            }

            .section {
                padding: 60px 0;
            }
        }

        /* ==================== ANIMATIONS ==================== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-on-scroll {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }

        .animate-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* ==================== MOBILE MENU ==================== */
        .mobile-menu {
            position: fixed;
            top: 80px;
            left: 0;
            right: 0;
            background: var(--bg-primary);
            border-bottom: 1px solid var(--border-color);
            padding: 24px;
            transform: translateY(-100%);
            opacity: 0;
            visibility: hidden;
            transition: all var(--transition-normal);
            z-index: 999;
        }

        .mobile-menu.active {
            transform: translateY(0);
            opacity: 1;
            visibility: visible;
        }

        .mobile-menu-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .mobile-menu-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 16px;
            font-weight: 500;
            display: block;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
            transition: color var(--transition-fast);
        }

        .mobile-menu-links a:hover {
            color: var(--primary-navy);
        }

        [data-theme="dark"] .mobile-menu-links a:hover {
            color: var(--accent-teal);
        }