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

        :root {
            --primary: #0066cc;
            --primary-dark: #0052a3;
            --secondary: #00b4d8;
            --accent: #ff006e;
            --success: #06d6a0;
            --warning: #ffa500;
            --danger: #ff6b6b;
            --bg-light: #f8f9fa;
            --bg-white: #ffffff;
            --text-dark: #1a1a1a;
            --text-gray: #666666;
            --border-gray: #e0e0e0;
            --gradient-blue: linear-gradient(135deg, #0066cc 0%, #00b4d8 100%);
        }

        html {
            scroll-behavior: smooth;
        }

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

        /* Header & Navigation */
        header {
            background: var(--gradient-blue);
            color: white;
            padding: 40px 20px;
            text-align: center;
            box-shadow: 0 4px 12px rgba(0, 102, 204, 0.15);
        }

        header h1 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 10px;
            letter-spacing: -0.5px;
        }

        header p {
            font-size: 1.1rem;
            opacity: 0.95;
            max-width: 600px;
            margin: 0 auto;
        }

        .header-meta {
            margin-top: 20px;
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            font-size: 0.95rem;
            opacity: 0.9;
        }

        /* Container */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 250px 1fr;
            gap: 30px;
            padding: 40px 20px;
        }

        @media (max-width: 768px) {
            .container {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 20px 15px;
            }
        }

        /* Sidebar Navigation */
        aside {
            position: sticky;
            top: 20px;
            height: fit-content;
        }

        nav {
            background: var(--bg-white);
            border-radius: 12px;
            padding: 20px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
            border: 1px solid var(--border-gray);
        }

        nav h3 {
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--text-gray);
            margin-bottom: 15px;
            font-weight: 600;
        }

        nav ul {
            list-style: none;
        }

        nav li {
            margin-bottom: 8px;
        }

        nav a {
            display: block;
            padding: 8px 12px;
            color: var(--text-gray);
            text-decoration: none;
            border-radius: 6px;
            font-size: 0.9rem;
            transition: all 0.2s ease;
            border-left: 3px solid transparent;
            padding-left: 9px;
        }

        nav a:hover {
            background: var(--bg-light);
            color: var(--primary);
            border-left-color: var(--primary);
        }

        /* Main Content */
        main {
            background: var(--bg-white);
            border-radius: 12px;
            padding: 40px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }

        @media (max-width: 768px) {
            main {
                padding: 25px;
            }
        }

        /* Headings */
        h1 {
            font-size: 2.2rem;
            margin: 40px 0 20px 0;
            color: var(--text-dark);
            font-weight: 800;
        }

        h2 {
            font-size: 1.8rem;
            margin: 35px 0 20px 0;
            color: var(--text-dark);
            font-weight: 700;
            padding-bottom: 10px;
            border-bottom: 3px solid var(--primary);
            display: inline-block;
        }

        h3 {
            font-size: 1.3rem;
            margin: 25px 0 15px 0;
            color: var(--text-dark);
            font-weight: 700;
        }

        h4 {
            font-size: 1.1rem;
            margin: 18px 0 12px 0;
            color: var(--text-dark);
            font-weight: 600;
        }

        p {
            margin: 15px 0;
            color: var(--text-gray);
            line-height: 1.8;
        }

        /* Horizontal Rule */
        hr {
            margin: 40px 0;
            border: none;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--border-gray), transparent);
        }

        /* Lists */
        ul, ol {
            margin: 15px 0;
            padding-left: 25px;
        }

        li {
            margin-bottom: 10px;
            color: var(--text-gray);
        }

        /* Tables */
        table {
            width: 100%;
            margin: 25px 0;
            border-collapse: collapse;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
        }

        thead {
            background: linear-gradient(135deg, #0066cc 0%, #004499 100%);
            color: white;
        }

        th {
            padding: 15px;
            text-align: left;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
        }

        td {
            padding: 12px 15px;
            border-bottom: 1px solid var(--border-gray);
            color: var(--text-gray);
        }

        tbody tr {
            transition: background 0.2s ease;
        }

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

        tbody tr:hover {
            background: rgba(0, 102, 204, 0.05);
        }

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

        /* Code Blocks */
        pre {
            background: #1e1e1e;
            color: #d4d4d4;
            padding: 20px;
            border-radius: 8px;
            overflow-x: auto;
            margin: 20px 0;
            font-family: 'Fira Code', monospace;
            font-size: 0.9rem;
            line-height: 1.5;
            border-left: 4px solid var(--primary);
        }

        code {
            font-family: 'Fira Code', monospace;
            background: var(--bg-light);
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--primary);
        }

        pre code {
            background: none;
            color: inherit;
            padding: 0;
        }

        /* Inline styling in code blocks */
        pre {
            --keyword: #569cd6;
            --string: #ce9178;
            --comment: #6a9955;
            --number: #b5cea8;
        }

        /* Blockquotes */
        blockquote {
            border-left: 4px solid var(--primary);
            padding: 15px 20px;
            background: rgba(0, 102, 204, 0.05);
            margin: 20px 0;
            border-radius: 4px;
            color: var(--text-gray);
            font-style: italic;
        }

        /* Cards & Feature Boxes */
        .card {
            background: var(--bg-white);
            border: 1px solid var(--border-gray);
            border-radius: 8px;
            padding: 20px;
            margin: 20px 0;
            transition: all 0.3s ease;
        }

        .card:hover {
            box-shadow: 0 8px 24px rgba(0, 102, 204, 0.1);
            transform: translateY(-2px);
            border-color: var(--secondary);
        }

        /* Pricing Cards */
        .pricing-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin: 30px 0;
        }

        .pricing-card {
            background: var(--bg-white);
            border: 2px solid var(--border-gray);
            border-radius: 12px;
            padding: 30px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
        }

        .pricing-card:hover {
            border-color: var(--primary);
            box-shadow: 0 12px 32px rgba(0, 102, 204, 0.15);
            transform: translateY(-4px);
        }

        .pricing-card.featured {
            border-color: var(--primary);
            background: linear-gradient(135deg, rgba(0, 102, 204, 0.02) 0%, rgba(0, 180, 216, 0.02) 100%);
            transform: scale(1.05);
        }

        .pricing-card h3 {
            margin-top: 0;
            color: var(--primary);
            font-size: 1.4rem;
        }

        .pricing-card .price {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin: 15px 0;
        }

        .pricing-card .price-period {
            color: var(--text-gray);
            font-size: 0.95rem;
        }

        .pricing-card ul {
            list-style: none;
            padding: 0;
            margin: 20px 0;
            text-align: left;
        }

        .pricing-card li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-gray);
            color: var(--text-gray);
        }

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

        .pricing-card li::before {
            content: "✓ ";
            color: var(--success);
            font-weight: bold;
            margin-right: 8px;
        }

        /* Timeline Roadmap */
        .roadmap {
            margin: 30px 0;
        }

        .timeline-phase {
            margin: 30px 0;
            padding: 20px;
            border-left: 4px solid var(--primary);
            background: var(--bg-light);
            border-radius: 4px;
        }

        .timeline-phase h4 {
            color: var(--primary);
            margin-top: 0;
        }

        /* Feature Comparison Grid */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 25px 0;
        }

        .feature-item {
            padding: 18px;
            background: var(--bg-light);
            border-radius: 8px;
            border-left: 4px solid var(--primary);
        }

        .feature-item h4 {
            color: var(--primary);
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        /* Highlight Boxes */
        .highlight-box {
            background: linear-gradient(135deg, rgba(0, 102, 204, 0.1) 0%, rgba(0, 180, 216, 0.1) 100%);
            border-left: 4px solid var(--primary);
            padding: 20px;
            border-radius: 8px;
            margin: 25px 0;
        }

        .highlight-box h4 {
            color: var(--primary);
            margin-top: 0;
        }

        /* Risk Assessment */
        .risk-high {
            border-left-color: var(--danger);
            background: rgba(255, 107, 107, 0.05);
        }

        .risk-medium {
            border-left-color: var(--warning);
            background: rgba(255, 165, 0, 0.05);
        }

        .risk-low {
            border-left-color: var(--success);
            background: rgba(6, 214, 160, 0.05);
        }

        /* Metrics Display */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 25px 0;
        }

        .metric {
            background: var(--bg-light);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            border-top: 4px solid var(--primary);
        }

        .metric-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            margin: 10px 0;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-gray);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        /* Buttons */
        .btn {
            display: inline-block;
            padding: 12px 24px;
            background: var(--primary);
            color: white;
            text-decoration: none;
            border-radius: 6px;
            font-weight: 600;
            transition: all 0.2s ease;
            border: 2px solid var(--primary);
            cursor: pointer;
            font-family: inherit;
            font-size: 1rem;
        }

        .btn:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 16px rgba(0, 102, 204, 0.3);
        }

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

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

        /* Executive Summary Box */
        .executive-summary {
            background: linear-gradient(135deg, #0066cc 0%, #00b4d8 100%);
            color: white;
            padding: 30px;
            border-radius: 12px;
            margin: 30px 0;
        }

        .executive-summary h3 {
            color: white;
            margin-top: 0;
        }

        .executive-summary ol {
            margin-left: 25px;
        }

        .executive-summary li {
            color: rgba(255, 255, 255, 0.95);
            margin-bottom: 12px;
            font-weight: 500;
        }

        /* Footer */
        footer {
            background: var(--text-dark);
            color: white;
            text-align: center;
            padding: 30px 20px;
            margin-top: 60px;
            font-size: 0.9rem;
        }

        footer p {
            color: rgba(255, 255, 255, 0.7);
            margin: 5px 0;
        }

        /* Responsive Tables */
        @media (max-width: 768px) {
            table {
                font-size: 0.85rem;
            }

            th, td {
                padding: 10px;
            }

            header h1 {
                font-size: 1.8rem;
            }

            h2 {
                font-size: 1.4rem;
            }

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

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

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

            .container {
                grid-template-columns: 1fr;
                padding: 0;
            }

            main {
                padding: 0;
                box-shadow: none;
                border-radius: 0;
            }

            header {
                margin-bottom: 30px;
            }

            h2 {
                page-break-after: avoid;
                page-break-inside: avoid;
            }

            table, .card, .pricing-card {
                page-break-inside: avoid;
            }

            pre {
                page-break-inside: avoid;
            }

            footer {
                margin-top: 40px;
                border-top: 1px solid var(--border-gray);
            }

            body {
                background: white;
            }

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

        /* Animations */
        @keyframes slideIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        main > * {
            animation: slideIn 0.4s ease-out;
        }

        /* Utility Classes */
        .text-center {
            text-align: center;
        }

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

        .mt-lg {
            margin-top: 40px;
        }

        .mb-lg {
            margin-bottom: 40px;
        }

        .section {
            margin: 40px 0;
        }
