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

        :root {
            --primary: #0066ff;
            --primary-dark: #0052cc;
            --primary-light: #e6f0ff;
            --secondary: #00d9ff;
            --accent: #ff6b35;
            --background: #ffffff;
            --surface: #f5f7fa;
            --surface-dark: #e8ecf1;
            --text-primary: #1a202c;
            --text-secondary: #4a5568;
            --text-tertiary: #718096;
            --border: #e2e8f0;
            --success: #10b981;
            --warning: #f59e0b;
            --error: #ef4444;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            color: var(--text-primary);
            background: var(--background);
            line-height: 1.6;
        }

        /* Navigation */
        nav {
            position: sticky;
            top: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            padding: 1.2rem 0;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            gap: 2.5rem;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-secondary);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s ease;
        }

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

        /* Table of Contents Sidebar */
        .toc-sidebar {
            position: fixed;
            left: 2rem;
            top: 6rem;
            width: 200px;
            max-height: calc(100vh - 8rem);
            overflow-y: auto;
            background: var(--surface);
            padding: 1.5rem;
            border-radius: 8px;
            border: 1px solid var(--border);
            font-size: 0.85rem;
            display: none;
        }

        .toc-sidebar h3 {
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: var(--text-tertiary);
            margin-bottom: 1rem;
            font-weight: 700;
        }

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

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

        .toc-sidebar a {
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.2s ease;
            display: block;
            padding: 0.3rem 0;
            border-left: 2px solid transparent;
            padding-left: 0.8rem;
        }

        .toc-sidebar a:hover {
            color: var(--primary);
            border-left-color: var(--primary);
        }

        /* Main Content */
        main {
            margin-left: 250px;
            margin-right: 2rem;
        }

        .container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 2rem;
        }

        /* Section Spacing */
        section {
            margin-bottom: 6rem;
            scroll-margin-top: 80px;
        }

        /* Typography */
        h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.1;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        h2 {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 2rem;
            margin-top: 0;
            color: var(--text-primary);
        }

        h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 0.8rem;
            color: var(--text-primary);
        }

        h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

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

        .subheadline {
            font-size: 1.2rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            line-height: 1.8;
        }

        /* Hero Sections */
        .hero {
            background: linear-gradient(135deg, var(--primary-light) 0%, rgba(0, 217, 255, 0.05) 100%);
            padding: 4rem 2rem;
            border-radius: 12px;
            margin-bottom: 3rem;
            text-align: center;
        }

        .hero h1 {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1.5rem;
        }

        /* CTA Buttons */
        .cta-group {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 2rem;
        }

        .button {
            display: inline-block;
            padding: 0.9rem 2rem;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
            border: 2px solid;
            transition: all 0.3s ease;
            font-size: 0.95rem;
        }

        .button-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            border-color: var(--primary);
        }

        .button-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 24px rgba(0, 102, 255, 0.3);
        }

        .button-secondary {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .button-secondary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .button-small {
            padding: 0.7rem 1.5rem;
            font-size: 0.9rem;
        }

        /* Social Proof Bar */
        .social-proof {
            background: var(--surface);
            padding: 2rem;
            border-radius: 8px;
            margin: 3rem 0;
            text-align: center;
        }

        .social-proof p {
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .proof-logos {
            display: flex;
            justify-content: center;
            gap: 2rem;
            align-items: center;
            flex-wrap: wrap;
        }

        .proof-logo {
            color: var(--text-tertiary);
            font-weight: 600;
            font-size: 0.9rem;
        }

        /* Three Column Grid */
        .three-column {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }

        .column-card {
            padding: 2rem;
            background: var(--surface);
            border-radius: 8px;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        .column-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: 0 8px 24px rgba(0, 102, 255, 0.1);
        }

        .column-card h3 {
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        /* Grid Layouts */
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }

        .grid-card {
            padding: 2rem;
            background: linear-gradient(135deg, var(--primary-light) 0%, rgba(0, 217, 255, 0.05) 100%);
            border: 1px solid var(--border);
            border-radius: 8px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .grid-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

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

        .grid-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 8px 24px rgba(0, 102, 255, 0.15);
        }

        .grid-card h3 {
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .grid-card p {
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* Code Blocks */
        .code-block {
            background: #1a202c;
            color: #e2e8f0;
            padding: 1.5rem;
            border-radius: 8px;
            overflow-x: auto;
            margin: 2rem 0;
            font-family: 'Source Code Pro', monospace;
            font-size: 0.9rem;
            line-height: 1.5;
            border: 1px solid rgba(0, 102, 255, 0.2);
        }

        .code-block pre {
            margin: 0;
        }

        .code-label {
            font-size: 0.75rem;
            color: var(--secondary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 0.8rem;
            display: block;
        }

        /* Tables */
        .table-wrapper {
            overflow-x: auto;
            margin: 2rem 0;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            background: var(--background);
            border-radius: 8px;
            overflow: hidden;
        }

        table thead {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
        }

        table th {
            padding: 1rem;
            text-align: left;
            font-weight: 600;
            border: 1px solid var(--border);
        }

        table td {
            padding: 0.9rem 1rem;
            border: 1px solid var(--border);
            color: var(--text-secondary);
        }

        table tbody tr {
            transition: background-color 0.2s ease;
        }

        table tbody tr:nth-child(odd) {
            background: var(--surface);
        }

        table tbody tr:hover {
            background: rgba(0, 102, 255, 0.05);
        }

        table tbody tr:nth-child(even) {
            background: var(--background);
        }

        table strong {
            color: var(--text-primary);
        }

        /* Feature Cards */
        .feature-section {
            background: var(--surface);
            padding: 2.5rem;
            border-radius: 8px;
            margin: 2rem 0;
            border-left: 4px solid var(--primary);
        }

        .feature-section h3 {
            color: var(--primary);
            margin-bottom: 1rem;
        }

        /* Testimonials / Quote Cards */
        .testimonials {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }

        .testimonial {
            background: var(--surface);
            padding: 2rem;
            border-radius: 8px;
            border-left: 4px solid var(--secondary);
            position: relative;
        }

        .testimonial::before {
            content: '"';
            position: absolute;
            font-size: 4rem;
            color: var(--primary);
            opacity: 0.1;
            top: -10px;
            left: 10px;
        }

        .quote {
            font-size: 1rem;
            color: var(--text-primary);
            margin-bottom: 1.5rem;
            line-height: 1.8;
            font-style: italic;
        }

        .quote-author {
            color: var(--text-tertiary);
            font-size: 0.9rem;
            font-weight: 600;
        }

        .quote-author strong {
            color: var(--text-primary);
        }

        /* Metrics Bar */
        .metrics {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
            padding: 2rem;
            background: linear-gradient(135deg, var(--primary-light) 0%, rgba(0, 217, 255, 0.05) 100%);
            border-radius: 8px;
            border: 1px solid var(--border);
        }

        .metric {
            text-align: center;
        }

        .metric-value {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        .metric-label {
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* Pricing Cards */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }

        .pricing-card {
            background: var(--background);
            border: 2px solid var(--border);
            border-radius: 8px;
            padding: 2.5rem;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
        }

        .pricing-card.featured {
            border-color: var(--primary);
            transform: scale(1.05);
            box-shadow: 0 12px 36px rgba(0, 102, 255, 0.2);
        }

        .pricing-card.featured::before {
            content: 'MOST POPULAR';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            padding: 0.4rem 1rem;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.1em;
        }

        .pricing-card:hover:not(.featured) {
            border-color: var(--primary);
            transform: translateY(-4px);
        }

        .pricing-tier {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }

        .pricing-price {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        .pricing-price-period {
            color: var(--text-tertiary);
            font-size: 0.95rem;
            margin-bottom: 2rem;
        }

        .pricing-features {
            list-style: none;
            text-align: left;
            margin: 2rem 0;
            padding-bottom: 2rem;
            border-bottom: 1px solid var(--border);
        }

        .pricing-features li {
            padding: 0.6rem 0;
            color: var(--text-secondary);
            font-size: 0.95rem;
            display: flex;
            align-items: center;
        }

        .pricing-features li::before {
            content: '✓';
            color: var(--success);
            font-weight: 700;
            margin-right: 0.8rem;
            font-size: 1.2rem;
        }

        .pricing-best-for {
            color: var(--text-tertiary);
            font-size: 0.85rem;
            margin: 1rem 0;
            font-style: italic;
        }

        /* FAQ Section */
        .faq {
            margin: 3rem 0;
        }

        .faq-item {
            margin-bottom: 1.5rem;
            background: var(--surface);
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--border);
        }

        .faq-question {
            padding: 1.5rem;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background 0.2s ease;
        }

        .faq-question:hover {
            background: rgba(0, 102, 255, 0.05);
        }

        .faq-toggle {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
        }

        .faq-answer {
            padding: 0 1.5rem 1.5rem;
            color: var(--text-secondary);
            display: none;
        }

        .faq-answer.active {
            display: block;
        }

        /* Integration Grid */
        .integration-section {
            margin: 3rem 0;
        }

        .integration-category {
            margin-bottom: 2.5rem;
        }

        .integration-category h4 {
            color: var(--primary);
            margin-bottom: 1rem;
            font-size: 1rem;
        }

        .integration-items {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .integration-badge {
            background: var(--surface);
            border: 1px solid var(--border);
            padding: 0.7rem 1.2rem;
            border-radius: 20px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
            transition: all 0.2s ease;
        }

        .integration-badge:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        /* Comparison Table */
        .comparison-table {
            margin: 3rem 0;
        }

        .comparison-table table {
            margin-top: 1.5rem;
        }

        .comparison-table td:not(:first-child) {
            text-align: center;
            font-weight: 500;
        }

        .comparison-table tr td:nth-child(2),
        .comparison-table tr td:nth-child(3) {
            color: var(--text-primary);
        }

        .comparison-checkmark {
            color: var(--success);
            font-weight: 700;
            font-size: 1.2rem;
        }

        .comparison-cross {
            color: var(--text-tertiary);
            font-weight: 700;
        }

        /* Footer */
        footer {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: white;
            margin-top: 6rem;
            padding: 4rem 2rem 2rem;
        }

        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-section h4 {
            color: white;
            margin-bottom: 1rem;
        }

        .footer-section ul {
            list-style: none;
        }

        .footer-section li {
            margin-bottom: 0.6rem;
        }

        .footer-section a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .footer-section a:hover {
            color: white;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            padding-top: 2rem;
            text-align: center;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
        }

        .footer-divider {
            height: 1px;
            background: rgba(255, 255, 255, 0.2);
            margin: 2rem 0;
        }

        /* Document Info */
        .doc-header {
            background: var(--surface);
            padding: 2rem;
            border-radius: 8px;
            margin-bottom: 3rem;
            border-left: 4px solid var(--secondary);
        }

        .doc-meta {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            margin-top: 1.5rem;
        }

        .doc-meta-item {
            font-size: 0.9rem;
        }

        .doc-meta-label {
            color: var(--text-tertiary);
            font-weight: 600;
            text-transform: uppercase;
            font-size: 0.75rem;
            letter-spacing: 0.1em;
            margin-bottom: 0.4rem;
        }

        .doc-meta-value {
            color: var(--text-primary);
            font-weight: 500;
        }

        /* Responsive */
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }

            h2 {
                font-size: 1.5rem;
            }

            main {
                margin-left: 0;
                margin-right: 0;
            }

            .container {
                padding: 1.5rem;
            }

            .toc-sidebar {
                display: none;
            }

            .nav-links {
                gap: 1.5rem;
                font-size: 0.9rem;
            }

            .cta-group {
                flex-direction: column;
            }

            .button {
                width: 100%;
            }

            .pricing-card.featured {
                transform: scale(1);
            }

            .hero {
                padding: 2rem 1rem;
            }

            .grid-4 {
                grid-template-columns: 1fr;
            }

            .three-column {
                grid-template-columns: 1fr;
            }

            table {
                font-size: 0.9rem;
            }

            table th, table td {
                padding: 0.7rem 0.5rem;
            }

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

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

        @media (max-width: 480px) {
            .nav-links {
                display: none;
            }

            h1 {
                font-size: 1.5rem;
            }

            h2 {
                font-size: 1.2rem;
            }

            .subheadline {
                font-size: 1rem;
            }

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

            .footer-content {
                grid-template-columns: 1fr;
            }

            .code-block {
                font-size: 0.8rem;
                padding: 1rem;
            }

            p {
                font-size: 0.95rem;
            }
        }

        /* Print Styles */
        @media print {
            nav {
                display: none;
            }

            .toc-sidebar {
                display: none;
            }

            main {
                margin: 0;
            }

            .button {
                color: var(--primary);
                border: 2px solid var(--primary);
                background: white;
            }

            section {
                page-break-inside: avoid;
                margin-bottom: 3rem;
            }

            h1, h2 {
                page-break-after: avoid;
            }

            table {
                page-break-inside: avoid;
            }

            a {
                color: var(--primary);
            }

            .doc-header {
                border: 2px solid var(--primary);
            }

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

        /* Utilities */
        .text-center {
            text-align: center;
        }

        .text-muted {
            color: var(--text-tertiary);
        }

        .mt-4 {
            margin-top: 3rem;
        }

        .mb-4 {
            margin-bottom: 3rem;
        }

        .highlight {
            background: linear-gradient(120deg, rgba(0, 217, 255, 0.3) 0%, rgba(0, 102, 255, 0.3) 100%);
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
        }