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

        :root {
            --primary: #5b5f97;
            --primary-dark: #4a4d7a;
            --accent: #7b9fc4;
            --bg: #ffffff;
            --text: #333;
            --text-light: #666;
            --border: #ddd;
            --code-bg: #f8f8f8;
        }

        @import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500&display=swap');

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }

        header {
            background: white;
            padding: 1rem 0;
        }

        .header-content {
            max-width: 1000px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--primary);
            text-decoration: none;
        }

        nav {
            display: flex;
            gap: 2rem;
        }

        nav a {
            color: var(--text);
            text-decoration: none;
            transition: color 0.2s;
        }

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

        .container {
            max-width: 1000px;
            margin: 0 auto;
            padding: 3rem 2rem;
        }

        .hero {
            text-align: center;
            margin-bottom: 4rem;
        }

        .hero h1 {
            font-size: 3rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        .hero .subtitle {
            font-size: 1.3rem;
            color: var(--text-light);
            margin-bottom: 2rem;
        }

        .feature-section {
            display: grid;
            grid-template-columns: 80px 1fr;
            gap: 2rem;
            margin: 4rem 0;
            padding: 2rem 0;
            border-top: 1px solid var(--border);
        }

        .feature-section:first-of-type {
            border-top: none;
        }

        .feature-icon {
            font-size: 3rem;
            text-align: center;
        }

        .feature-content h2 {
            color: var(--primary-dark);
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .feature-content p {
            color: var(--text-light);
            margin-bottom: 1rem;
            font-size: 1.05rem;
        }

        .code-example {
            display: grid;
            grid-template-columns: 40px 1fr;
            gap: 0;
            background: var(--code-bg);
            border: 1px solid var(--border);
            border-radius: 4px;
            margin: 1.5rem 0;
            overflow: hidden;
        }

        .line-numbers {
            background: #eee;
            padding: 1.1rem 0.5rem;
            text-align: right;
            color: #999;
            font-family: 'Fira Code', 'Courier New', monospace;
            font-size: 0.8rem;
            user-select: none;
            border-right: 1px solid var(--border);
        }

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

        .code-content pre {
            margin: 0;
            white-space: pre;
            text-indent: 0;
        }

        .code-content code {
            font-family: 'Fira Code', 'Courier New', monospace;
            font-size: 0.9rem;
            line-height: 1.5;
            color: var(--text);
            font-feature-settings: 'liga' 1, 'calt' 1;
            white-space: pre;
            text-indent: 0;
            display: block;
        }

        .doc-section {
            margin: 3rem 0;
        }

        .doc-section h2 {
            color: var(--primary);
            font-size: 2rem;
            margin-bottom: 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border);
        }

        .doc-section h3 {
            color: var(--primary-dark);
            font-size: 1.3rem;
            margin: 2rem 0 1rem;
        }

        .doc-section p {
            color: var(--text-light);
            margin-bottom: 1rem;
        }

        code {
            background: var(--code-bg);
            padding: 0.15rem 0.4rem;
            border-radius: 3px;
            font-family: 'Fira Code', 'Courier New', monospace;
            font-size: 0.9em;
            color: var(--primary-dark);
            font-feature-settings: 'liga' 1, 'calt' 1;
        }

        .simple-code {
            background: var(--code-bg);
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 1rem;
            margin: 1rem 0;
            font-family: 'Fira Code', 'Courier New', monospace;
            font-size: 0.9rem;
            overflow-x: auto;
            font-feature-settings: 'liga' 1, 'calt' 1;
            white-space: pre;
        }

        .simple-code .keyword { color: #d73a49; font-weight: 500; }
        .simple-code .function { color: #6f42c1; }
        .simple-code .string { color: #22863a; }
        .simple-code .number { color: #005cc5; }
        .simple-code .comment { color: #6a737d; font-style: italic; }
        .simple-code .operator { color: #d73a49; }
        .simple-code .type { color: #005cc5; font-weight: 500; }

        .also-featuring {
            background: #f9f9f9;
            border: 1px solid var(--border);
            border-radius: 4px;
            padding: 2rem;
            margin: 3rem 0;
        }

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

        .also-featuring ul {
            list-style: none;
            padding-left: 0;
        }

        .also-featuring li {
            padding: 0.4rem 0;
            color: var(--text-light);
        }

        .also-featuring li::before {
            content: "• ";
            color: var(--primary);
            font-weight: bold;
            margin-right: 0.5rem;
        }

        /* Syntax Highlighting */
        .keyword { color: #d73a49; font-weight: 500; }
        .function { color: #6f42c1; }
        .string { color: #22863a; }
        .number { color: #005cc5; }
        .comment { color: #6a737d; font-style: italic; }
        .operator { color: #d73a49; }
        .type { color: #005cc5; font-weight: 500; }

        footer {
            text-align: center;
            padding: 2rem;
            color: var(--text-light);
            border-top: 1px solid var(--border);
            margin-top: 4rem;
            font-size: 0.9rem;
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2rem;
            }

            .feature-section {
                grid-template-columns: 1fr;
                gap: 1rem;
            }

            .feature-icon {
                text-align: left;
            }

            .code-example {
                font-size: 0.85rem;
            }
        }