:root {
            --bg-deep: #0a0e14;
            --bg-surface: #0f1419;
            --bg-elevated: #151b23;
            --bg-card: #1a222d;
            --aurora-1: #00b4d8;
            --aurora-2: #0077b6;
            --aurora-3: #48cae4;
            --aurora-glow: #90e0ef;
            --text-primary: #e6edf5;
            --text-secondary: #8b9bb4;
            --text-muted: #5c6f8a;
            --border: rgba(72, 202, 228, 0.15);
            --border-strong: rgba(72, 202, 228, 0.3);
            --code-bg: #0d1117;
            --success: #10b981;
            --warning: #f59e0b;
            --error: #ef4444;
            --info: #3b82f6;
        }

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

        body {
            font-family: 'Plus Jakarta Sans', sans-serif;
            background: var(--bg-deep);
            color: var(--text-primary);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Aurora Background */
        .aurora-bg {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 100vh;
            pointer-events: none;
            z-index: 0;
            overflow: hidden;
        }

        .aurora-bg::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: 
                radial-gradient(ellipse 80% 50% at 20% 20%, rgba(0, 180, 216, 0.12), transparent 50%),
                radial-gradient(ellipse 60% 40% at 80% 30%, rgba(0, 119, 182, 0.1), transparent 50%);
            animation: aurora 25s ease-in-out infinite alternate;
        }

        @keyframes aurora {
            0% { transform: translate(0, 0) rotate(0deg); }
            100% { transform: translate(-3%, 3%) rotate(2deg); }
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            position: relative;
            z-index: 2;
        }

        .container-wide {
            max-width: 100%;
            padding: 0;
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            padding: 1rem 0;
            background: linear-gradient(to bottom, var(--bg-deep) 0%, transparent 100%);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: background 0.3s ease;
        }

        nav.scrolled {
            background: rgba(10, 14, 20, 0.95);
        }

        nav .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            text-decoration: none;
        }

        .logo-text {
            font-family: 'Playfair Display', serif;
            font-size: 1.35rem;
            font-weight: 500;
            background: linear-gradient(135deg, #00b4d8 0%, #0077b6 50%, #005f8a 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .beta-badge {
            font-family: 'Plus Jakarta Sans', sans-serif;
            font-size: 0.55rem;
            font-weight: 600;
            background: none;
            -webkit-background-clip: unset;
            -webkit-text-fill-color: var(--text-muted);
            background-clip: unset;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-left: 0.2rem;
            vertical-align: super;
        }

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

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            transition: color 0.2s ease;
        }

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

        /* Hero Section - Compact */
        .hero {
            padding: 8rem 0 4rem;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(0, 180, 216, 0.1);
            border: 1px solid var(--border);
            border-radius: 100px;
            padding: 0.4rem 0.9rem;
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--aurora-3);
            margin-bottom: 1.5rem;
        }

        .hero-badge i {
            color: var(--success);
            font-size: 0.5rem;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }

        .hero h1 {
            font-family: 'Playfair Display', serif;
            font-size: 2.75rem;
            font-weight: 600;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, var(--aurora-glow) 0%, var(--aurora-3) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero h1 .highlight {
            background: linear-gradient(135deg, var(--aurora-1) 0%, var(--aurora-2) 50%, #005f8a 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-tagline {
            font-family: 'Playfair Display', serif;
            font-size: 1.1rem;
            font-style: italic;
            color: var(--text-muted);
            margin-bottom: 0.75rem;
            letter-spacing: 0.5px;
        }

        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 550px;
            margin: 0 auto 2rem;
        }

        /* Browser Frame - Within Container */
        .browser-frame {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            margin-bottom: 2rem;
        }

        .browser-header {
            background: var(--bg-elevated);
            padding: 0.75rem 1rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            border-bottom: 1px solid var(--border);
        }

        .browser-dots {
            display: flex;
            gap: 6px;
        }

        .browser-dots span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }

        .browser-dots span:nth-child(1) { background: #ff5f57; }
        .browser-dots span:nth-child(2) { background: #febc2e; }
        .browser-dots span:nth-child(3) { background: #28c840; }

        .browser-url {
            flex: 1;
            background: var(--bg-deep);
            border-radius: 6px;
            padding: 0.5rem 1rem;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.8rem;
            color: var(--text-muted);
            text-align: center;
        }

        .browser-content {
            padding: 1.5rem;
        }

        /* Code Block with Syntax Highlighting */
        .code-block {
            background: var(--code-bg);
            border-radius: 8px;
            overflow: hidden;
        }

        .code-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 0.6rem 1rem;
            background: rgba(255,255,255,0.03);
            border-bottom: 1px solid var(--border);
        }

        .code-label {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .code-copy {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-muted);
            padding: 0.3rem 0.6rem;
            border-radius: 4px;
            font-size: 0.75rem;
            cursor: pointer;
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .code-copy:hover {
            border-color: var(--aurora-3);
            color: var(--aurora-3);
        }

        .code-copy.copied {
            border-color: var(--success);
            color: var(--success);
            background: rgba(16, 185, 129, 0.1);
        }

        .code-content {
            padding: 1rem 1.25rem;
            overflow-x: auto;
        }

        .code-content pre {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.85rem;
            line-height: 1.6;
            margin: 0;
        }

        /* Syntax Highlighting */
        .token-keyword { color: #ff79c6; }
        .token-string { color: #a5d6ff; }
        .token-property { color: #79c0ff; }
        .token-number { color: #f2cc60; }
        .token-boolean { color: #ff7b72; }
        .token-comment { color: #6e7681; font-style: italic; }
        .token-method { color: #d2a8ff; }
        .token-url { color: #a5d6ff; }
        .token-flag { color: #8b949e; }

        /* Info Box - Within Container */
        .info-box {
            background: rgba(59, 130, 246, 0.08);
            border: 1px solid rgba(59, 130, 246, 0.25);
            border-radius: 10px;
            padding: 1rem 1.25rem;
            margin-bottom: 2rem;
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
        }

        .info-box i {
            color: var(--info);
            font-size: 1rem;
            margin-top: 2px;
        }

        .info-box-content h4 {
            color: var(--info);
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 0.25rem;
        }

        .info-box-content p {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.5;
        }

        .info-box-content code {
            background: rgba(59, 130, 246, 0.15);
            padding: 0.1rem 0.4rem;
            border-radius: 4px;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.8rem;
            color: var(--aurora-3);
        }

        /* Features Section - Compact */
        .features {
            padding: 3rem 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 2.5rem;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--aurora-3);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 0.75rem;
        }

        .section-title {
            font-family: 'Playfair Display', serif;
            font-size: 2rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 0.95rem;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }

        .feature-card {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 1rem 1.25rem;
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            border-color: var(--border-strong);
            transform: translateY(-2px);
        }

        .feature-header {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 0.5rem;
        }

        .feature-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--aurora-2), var(--aurora-1));
            border-radius: 7px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .feature-title {
            font-size: 0.9rem;
            font-weight: 600;
        }

        .feature-description {
            color: var(--text-muted);
            font-size: 0.8rem;
            line-height: 1.5;
            padding-left: 0;
        }

        /* API Docs Section */
        .api-docs {
            padding: 3rem 0;
            position: relative;
        }

        .api-docs-wrapper {
            display: flex;
            gap: 0;
        }

        /* Floating TOC */
        .api-toc {
            position: sticky;
            top: 5rem;
            width: 0;
            flex-shrink: 0;
            height: fit-content;
            opacity: 0;
            visibility: hidden;
            transition: width 0.3s ease, opacity 0.3s ease, visibility 0.3s ease, margin-right 0.3s ease;
            overflow: hidden;
            margin-right: 0;
        }

        .api-toc.visible {
            width: 200px;
            opacity: 1;
            visibility: visible;
            margin-right: 2rem;
        }

        .api-toc-inner {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 1rem;
        }

        .api-toc h4 {
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .api-toc ul {
            list-style: none;
        }

        .api-toc li {
            margin-bottom: 0.5rem;
        }

        .api-toc a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.8rem;
            transition: color 0.2s;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .api-toc a:hover,
        .api-toc a.active {
            color: var(--aurora-3);
        }

        .api-toc a i {
            font-size: 0.6rem;
            opacity: 0.6;
        }

        .api-content {
            flex: 1;
            min-width: 0;
            transition: flex 0.3s ease;
        }

        /* Endpoint Cards */
        .endpoint-group {
            margin-bottom: 2rem;
        }

        .endpoint-group-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .endpoint {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 10px;
            margin-bottom: 1rem;
            overflow: hidden;
        }

        .endpoint-header {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.875rem 1rem;
            border-bottom: 1px solid var(--border);
            flex-wrap: wrap;
        }

        .method-badge {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 0.25rem 0.5rem;
            border-radius: 4px;
            text-transform: uppercase;
        }

        .method-badge.get { background: rgba(16, 185, 129, 0.15); color: var(--success); }
        .method-badge.post { background: rgba(59, 130, 246, 0.15); color: var(--info); }
        .method-badge.delete { background: rgba(239, 68, 68, 0.15); color: var(--error); }

        .endpoint-path {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.85rem;
            color: var(--text-primary);
        }

        .endpoint-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-left: auto;
        }

        .endpoint-body {
            padding: 1rem;
        }

        .endpoint-section {
            margin-bottom: 1rem;
        }

        .endpoint-section:last-child {
            margin-bottom: 0;
        }

        .endpoint-section-title {
            font-size: 0.7rem;
            font-weight: 600;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 0.6rem;
        }

        /* Params Table */
        .params-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.8rem;
        }

        .params-table th,
        .params-table td {
            text-align: left;
            padding: 0.5rem 0.75rem;
            border-bottom: 1px solid var(--border);
        }

        .params-table th {
            color: var(--text-muted);
            font-weight: 500;
            font-size: 0.7rem;
            text-transform: uppercase;
        }

        .param-name {
            font-family: 'JetBrains Mono', monospace;
            color: var(--aurora-3);
        }

        .param-required {
            background: rgba(239, 68, 68, 0.15);
            color: var(--error);
            font-size: 0.65rem;
            padding: 0.15rem 0.35rem;
            border-radius: 3px;
            margin-left: 0.4rem;
        }

        .param-optional {
            background: rgba(139, 155, 180, 0.15);
            color: var(--text-muted);
            font-size: 0.65rem;
            padding: 0.15rem 0.35rem;
            border-radius: 3px;
            margin-left: 0.4rem;
        }

        .param-type {
            font-family: 'JetBrains Mono', monospace;
            color: var(--text-muted);
            font-size: 0.75rem;
        }

        /* Quick Reference */
        .quick-ref {
            padding: 3rem 0;
        }

        .quick-ref-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 10px;
            overflow: hidden;
            font-size: 0.85rem;
        }

        .quick-ref-table th,
        .quick-ref-table td {
            text-align: left;
            padding: 0.75rem 1rem;
            border-bottom: 1px solid var(--border);
        }

        .quick-ref-table th {
            background: var(--bg-elevated);
            color: var(--text-muted);
            font-weight: 600;
            font-size: 0.75rem;
            text-transform: uppercase;
        }

        .quick-ref-table code {
            background: var(--code-bg);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.8rem;
            color: var(--aurora-3);
        }

        /* Footer - Option C Compact Pyramid */
        footer {
            padding: 1.75rem 0;
            border-top: 1px solid var(--border);
        }

        .footer-row-1 {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            margin-bottom: 0.6rem;
        }

        .footer-row-1 .footer-logo {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .footer-logo-text {
            font-family: 'Playfair Display', serif;
            font-weight: 500;
            font-size: 0.95rem;
            background: linear-gradient(135deg, #00b4d8 0%, #0077b6 50%, #005f8a 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-copyright {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .footer-row-2 {
            text-align: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 0.6rem;
        }

        .footer-row-2 a {
            color: var(--aurora-3);
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-row-2 a:hover {
            color: var(--aurora-1);
        }

        .footer-sep {
            color: var(--text-muted);
            opacity: 0.4;
            margin: 0 0.4rem;
        }

        .footer-link {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.8rem;
            transition: color 0.2s;
        }

        .footer-link:hover {
            color: var(--aurora-3);
        }

        .footer-row-3 {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .footer-row-3 > span {
            display: flex;
            align-items: center;
            gap: 0.3rem;
        }

        .footer-row-3 a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-row-3 a:hover {
            color: var(--aurora-3);
        }

        .footer-ampersand {
            font-family: 'Playfair Display', serif;
            font-style: italic;
            font-size: 0.9rem;
            color: var(--text-muted);
            opacity: 0.7;
        }

        .heart { color: #ef4444; }
        .python-blue { color: #3776ab; }

        /* About Modal */
        .modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .modal-overlay.visible {
            opacity: 1;
            visibility: visible;
        }

        .modal-content {
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 2rem;
            max-width: 480px;
            width: 90%;
            position: relative;
            transform: scale(0.95) translateY(10px);
            transition: transform 0.3s ease;
        }

        .modal-overlay.visible .modal-content {
            transform: scale(1) translateY(0);
        }

        .modal-close {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: transparent;
            border: none;
            color: var(--text-muted);
            font-size: 1.25rem;
            cursor: pointer;
            padding: 0.25rem;
            transition: color 0.2s;
        }

        .modal-close:hover {
            color: var(--text-primary);
        }

        .modal-header {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-bottom: 1.25rem;
        }

        .modal-header h2 {
            font-family: 'Playfair Display', serif;
            font-size: 1.5rem;
            font-weight: 600;
        }

        .modal-body p {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .modal-body p strong {
            color: var(--text-primary);
        }

        .modal-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.75rem;
            margin: 1.25rem 0;
        }

        .modal-feature {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.8rem;
            color: var(--text-secondary);
        }

        .modal-feature i {
            color: var(--aurora-3);
            font-size: 0.9rem;
            width: 20px;
            text-align: center;
        }

        .modal-version {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 1rem;
            border-top: 1px solid var(--border);
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .modal-status {
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .modal-status i {
            font-size: 0.5rem;
            color: var(--success);
            animation: pulse 2s infinite;
        }

        /* Privacy Modal specific */
        .privacy-section {
            margin-bottom: 1.25rem;
        }

        .privacy-section:last-child {
            margin-bottom: 0;
        }

        .privacy-section h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .privacy-section h4 i {
            color: var(--aurora-3);
            font-size: 0.85rem;
        }

        .privacy-section ul {
            list-style: none;
            padding-left: 1.5rem;
        }

        .privacy-section li {
            color: var(--text-secondary);
            font-size: 0.85rem;
            line-height: 1.8;
            position: relative;
        }

        .privacy-section li::before {
            content: "—";
            position: absolute;
            left: -1.25rem;
            color: var(--text-muted);
        }

        .privacy-section p {
            margin-bottom: 0;
        }

        .privacy-section code {
            background: var(--code-bg);
            padding: 0.15rem 0.4rem;
            border-radius: 4px;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.8rem;
            color: var(--aurora-3);
        }

        /* Scroll to Top Button */
        .scroll-top {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 42px;
            height: 42px;
            background: var(--bg-surface);
            border: 1px solid var(--border);
            border-radius: 10px;
            color: var(--text-muted);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            z-index: 99;
        }

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

        .scroll-top:hover {
            background: var(--bg-elevated);
            border-color: var(--aurora-3);
            color: var(--aurora-3);
            transform: translateY(-2px);
        }

        /* Responsive */
        @media (max-width: 900px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .api-toc {
                display: none !important;
            }
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }
            .quick-ref [style*="grid-template-columns: 1fr 1fr"] {
                grid-template-columns: 1fr !important;
            }
        }

        @media (max-width: 600px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 1.75rem;
            }
            .nav-links {
                display: none;
            }
            .browser-content > div {
                grid-template-columns: 1fr !important;
            }
        }