:root {
            --bg: #0a0a0a;
            --surface: #111111;
            --surface-2: #1a1a1a;
            --text: #e0e0e0;
            --text-secondary: #aaaaaa;
            --text-muted: #888888;
            --primary: #00d4ff;
            --accent: #ff6b6b;
            --success: #4ecdc4;
            --warning: #ffd93d;
            --purple: #c7f0bd;
            --border: #222222;
            --radius: 12px;
            --shadow: 0 6px 20px rgba(0,0,0,0.4);
            --font-main: 'Inter', sans-serif;
            --font-mono: 'JetBrains Mono', monospace;
            --transition: all 0.3s ease;
        }

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

        body {
            background: var(--bg);
            color: var(--text);
            font-family: var(--font-main);
            line-height: 1.7;
            padding: 0;
            overflow-x: hidden;
        }

        header {
            background: linear-gradient(135deg, #000 0%, #111 100%);
            padding: clamp(1.5rem, 5vw, 2.5rem) 5%;
            text-align: center;
            border-bottom: 1px solid var(--border);
            position: relative;
        }

        .logo {
            font-size: clamp(2rem, 6vw, 3rem);
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 0.4rem;
        }

        .tagline {
            font-size: clamp(1.1rem, 3.5vw, 1.3rem);
            color: var(--text-secondary);
            font-weight: 500;
            margin-bottom: 0.3rem;
        }

        .version {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.8rem;
            font-family: var(--font-mono);
        }

        nav {
            background: var(--surface);
            padding: 1rem 5%;
       
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border);
            backdrop-filter: blur(10px);
        }

        .nav-container {
            max-width: 1600px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 0.8rem;
            justify-content: center;
            align-items: center;
        }

        .nav-link {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            font-size: clamp(0.8rem, 2.2vw, 0.9rem);
            padding: 0.5rem 0.9rem;
            border-radius: 8px;
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary);
            background: rgba(0, 212, 255, 0.15);
        }

        main {
            max-width: 1600px;
            margin: 0 auto;
            padding: clamp(1.5rem, 4vw, 2.5rem) 5%;
        }

        section {
            margin-bottom: clamp(2rem, 5vw, 3rem);
        }

        h1 {
            font-size: clamp(2.2rem, 7vw, 3rem);
            font-weight: 700;
            margin-bottom: 1.2rem;
            text-align: center;
            background: linear-gradient(90deg, var(--primary), #00ffaa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        h2 {
            font-size: clamp(1.7rem, 5.5vw, 2.2rem);
            font-weight: 700;
            margin: 2rem 0 1rem;
            color: var(--primary);
            position: relative;
            padding-bottom: 0.6rem;
        }

        h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 70px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        h3 {
            font-size: clamp(1.3rem, 4.5vw, 1.6rem);
            margin: 1.5rem 0 0.8rem;
            color: #ffffff;
        }

        h4 {
            font-size: clamp(1.1rem, 4vw, 1.3rem);
            margin: 1.2rem 0 0.6rem;
            color: var(--success);
        }

        p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
            font-size: clamp(0.55rem, 2.5vw, 1.05rem);
        }

        ul, ol {
            margin: 1rem 0;
            padding-left: 1.5rem;
        }

        li {
            margin-bottom: 0.5rem;
            color: var(--text-secondary);
            font-size: clamp(0.9rem, 2.5vw, 1rem);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            background: var(--surface-2);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            font-size: clamp(0.8rem, 2.2vw, 0.95rem);
        }

        th {
            background: #1f1f1f;
            padding: 0.9rem;
            text-align: left;
            font-weight: 600;
            color: var(--primary);
            border-bottom: 1px solid var(--border);
        }

        td {
            padding: 0.9rem;
            border-bottom: 1px solid var(--border);
            vertical-align: top;
        }

        tr:last-child td {
            border-bottom: none;
        }

        .highlight {
            background: linear-gradient(135deg, rgba(0,212,255,0.1), rgba(255,107,107,0.05));
            padding: 1.5rem;
            border-radius: var(--radius);
            border-left: 4px solid var(--primary);
            margin: 1.5rem 0;
            box-shadow: 0 4px 15px rgba(0,212,255,0.1);
        }

        .badge {
            display: inline-block;
            padding: 0.25rem 0.7rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 700;
            margin: 0.3rem 0.2rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .badge-success { background: rgba(78, 205, 196, 0.2); color: var(--success); border: 1px solid rgba(78, 205, 196, 0.3); }
        .badge-warning { background: rgba(255, 217, 61, 0.2); color: var(--warning); border: 1px solid rgba(255, 217, 61, 0.3); }
        .badge-primary { background: rgba(0, 212, 255, 0.2); color: var(--primary); border: 1px solid rgba(0, 212, 255, 0.3); }
        .badge-accent { background: rgba(255, 107, 107, 0.2); color: var(--accent); border: 1px solid rgba(255, 107, 107, 0.3); }

        /* Small Responsive Pie Chart */
        .chart-container {
            background: var(--surface-2);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 1.5rem auto;
            box-shadow: var(--shadow);
            text-align: center;
            max-width: 320px;
        }

        .chart-title {
            font-size: 1.1rem;
            margin-bottom: 0.8rem;
            color: var(--primary);
            font-weight: 600;
        }

        #tokenChart {
            max-height: 300px !important;
            width: 100% !important;
        }

        .mermaid {
            background: var(--surface-2);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 1.5rem 0;
            text-align: center;
            overflow-x: auto;
            box-shadow: var(--shadow);
        }

        code {
            background: #1a1a1a;
            padding: 0.3rem 0.6rem;
            border-radius: 6px;
            font-family: var(--font-mono);
            font-size: 0.85rem;
            color: var(--success);
            border: 1px solid var(--border);
        }

        pre {
            background: #1a1a1a;
            padding: 1.5rem;
            border-radius: var(--radius);
            overflow-x: auto;
            font-family: var(--font-mono);
            margin: 1.5rem 0;
            border: 1px solid var(--border);
            font-size: clamp(0.75rem, 2.2vw, 0.9rem);
            line-height: 1.6;
            box-shadow: inset 0 2px 10px rgba(0,0,0,0.3);
        }

        .cta-section {
            background: linear-gradient(135deg, rgba(0,212,255,0.15), rgba(255,107,107,0.1));
            padding: clamp(2rem, 6vw, 3rem) 1.5rem;
            border-radius: var(--radius);
            text-align: center;
            margin: 2.5rem 0;
            border: 1px solid var(--border);
            box-shadow: 0 8px 30px rgba(0,212,255,0.2);
        }

        .cta-section h2 {
            font-size: clamp(1.8rem, 6vw, 2.5rem);
            margin-bottom: 1rem;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .price-box {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
            margin: 1rem 0;
            font-size: clamp(1.3rem, 4.5vw, 1.8rem);
            font-weight: 700;
        }

        .price-current { color: var(--success); }
        .price-next { color: var(--warning); }

        .btn {
            display: inline-block;
            padding: clamp(0.8rem, 2.5vw, 1.1rem) clamp(1.5rem, 5vw, 2.2rem);
            margin: 0.8rem;
            background: var(--primary);
            color: #000;
            font-weight: 700;
            text-decoration: none;
            border-radius: 50px;
            font-size: clamp(0.9rem, 2.5vw, 1rem);
            box-shadow: 0 4px 15px rgba(0,212,255,0.3);
            min-width: 160px;
            text-align: center;
            transition: var(--transition);
        }

        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(0,212,255,0.5);
        }

        .btn-secondary {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary);
            color: #000;
        }

        footer {
            background: #000;
            padding: clamp(2rem, 5vw, 3rem) 5% 1.5rem;
            text-align: center;
            border-top: 1px solid var(--border);
            font-size: clamp(0.8rem, 2.2vw, 0.9rem);
            color: var(--text-secondary);
        }

        .footer-links {
            margin: 1rem 0;
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
        }

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

        .toc {
            background: var(--surface-2);
            padding: 1.5rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
        }

        .toc h3 {
            margin-bottom: 1rem;
            color: var(--primary);
            font-size: 1.2rem;
            text-align: center;
        }

        .toc ul {
            list-style: none;
            padding: 0;
            columns: 1;
        }

        .toc li {
            margin: 0.5rem 0;
            break-inside: avoid;
        }

        .toc a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: clamp(0.85rem, 2.3vw, 0.95rem);
            display: block;
            padding: 0.4rem 0;
            border-radius: 6px;
            transition: var(--transition);
        }

        .toc a:hover {
            color: var(--primary);
            background: rgba(0,212,255,0.1);
        }

        .team-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 1.5rem;
            margin: 1.5rem 0;
        }

        .team-card {
            background: var(--surface-2);
            padding: 1.5rem;
            border-radius: var(--radius);
            text-align: center;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .team-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 30px rgba(0,212,255,0.2);
        }

        .team-avatar {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 50%;
            margin: 0 auto 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: #000;
            font-weight: bold;
        }

        .team-name {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 0.4rem;
            color: var(--primary);
        }

        .team-role {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 0.8rem;
        }

        .team-links a {
            color: var(--text-muted);
            margin: 0 0.5rem;
            font-size: 1rem;
            transition: var(--transition);
        }

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

        .risk-item {
            background: rgba(255,107,107,0.1);
            padding: 1.2rem;
            border-radius: var(--radius);
            margin: 1rem 0;
            border-left: 4px solid var(--accent);
        }

        .appendix {
            background: var(--surface-2);
            padding: 2rem;
            border-radius: var(--radius);
            margin: 2rem 0;
            border: 1px dashed var(--border);
        }

        .scroll-top {
            position: fixed;
            bottom: 1.5rem;
            right: 1.5rem;
            background: var(--primary);
            color: #000;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0,212,255,0.4);
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
        }

        .scroll-top.show {
            opacity: 1;
            visibility: visible;
        }

        .scroll-top:hover {
            transform: scale(1.1);
        }

        @media (max-width: 768px) {
            .nav-container { gap: 0.5rem; }
            .nav-link { padding: 0.4rem 0.7rem; font-size: 0.8rem; }
            table { font-size: 0.8rem; }
            th, td { padding: 0.7rem; }
            .chart-container { max-width: 280px; padding: 1.2rem; }
            #tokenChart { max-height: 180px !important; }
            .mermaid { padding: 1.2rem; }
            .team-grid { grid-template-columns: 1fr; }
            .cta-section { padding: 2rem 1rem; }
            .price-box { font-size: 1.3rem; }
            .btn { padding: 0.8rem 1.5rem; font-size: 0.9rem; min-width: 140px; }
            .toc ul { columns: 1; }
        }

        @media (max-width: 480px) {
            .logo { font-size: 1.8rem; }
            .tagline { font-size: 1rem; }
            .nav-link { font-size: 0.75rem; padding: 0.3rem 0.6rem; }
            table { font-size: 0.75rem; }
            .chart-container { max-width: 240px; }
            #tokenChart { max-height: 160px !important; }
            .btn { font-size: 0.85rem; padding: 0.7rem 1.2rem; }
            .team-avatar { width: 70px; height: 70px; font-size: 1.5rem; }
        }