:root {
            --bg-primary: #0d1117;
            --bg-secondary: #161b22;
            --bg-tertiary: #21262d;
            --border: #30363d;
            --border-light: #484f58;
            --text-primary: #e6edf3;
            --text-secondary: #8b949e;
            --text-muted: #6e7681;
            --accent: #238636;
            --accent-hover: #2ea043;
            --accent-glow: rgba(35, 134, 54, 0.15);
            --pixel-green: #0d3300;
            --pixel-green-light: #1a5c00;
            --orange: #d2691e;
            --danger: #da3633;
        }

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

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

        .pixel-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
            opacity: 0.03;
            background-image: 
                linear-gradient(rgba(255,255,255,0.1) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255,255,255,0.1) 1px, transparent 1px);
            background-size: 20px 20px;
        }

        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(13, 17, 23, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            z-index: 100;
            padding: 0 24px;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
        }

        .logo-text {
            font-family: 'Press Start 2P', cursive;
            font-size: 1.1rem;
            color: var(--accent-hover);
            text-shadow: 
                1px 1px 0px var(--pixel-green),
                2px 2px 0px rgba(0,0,0,0.3);
            letter-spacing: 1px;
            image-rendering: pixelated;
            line-height: 1.4;
        }

        .nav-links {
            display: flex;
            gap: 32px;
            align-items: center;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.875rem;
            font-weight: 500;
            transition: color 0.2s;
        }

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

        .github-btn {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            color: var(--text-primary);
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.875rem;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.2s;
        }

        .github-btn:hover {
            background: var(--border);
            border-color: var(--border-light);
        }

        .hero {
            position: relative;
            padding: 140px 24px 80px;
            text-align: center;
            z-index: 1;
        }

        .hero h1 {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .hero h1 span {
            color: var(--accent-hover);
        }

        .hero-subtitle {
            font-size: clamp(1.125rem, 2vw, 1.5rem);
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 40px;
            font-weight: 400;
        }

        .hero-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: white;
            padding: 14px 28px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.2s;
            border: 1px solid var(--accent);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(35, 134, 54, 0.25);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: var(--text-primary);
            padding: 14px 28px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.2s;
            border: 1px solid var(--border);
        }

        .btn-secondary:hover {
            background: var(--bg-tertiary);
            border-color: var(--border-light);
        }

        .btn-windows {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: #0078d4;
            color: white;
            padding: 14px 28px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.2s;
            border: 1px solid #0078d4;
        }

        .btn-windows:hover {
            background: #106ebe;
            transform: translateY(-1px);
            box-shadow: 0 8px 24px rgba(0, 120, 212, 0.25);
        }

        .screenshot-section {
            padding: 0 24px 80px;
            position: relative;
            z-index: 1;
        }

        .screenshot-container {
            max-width: 1000px;
            margin: 0 auto;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: 0 24px 80px rgba(0,0,0,0.5);
            background: var(--bg-secondary);
        }

        .screenshot-header {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 16px;
            background: var(--bg-tertiary);
            border-bottom: 1px solid var(--border);
        }

        .window-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }

        .dot-red { background: #ff5f56; }
        .dot-yellow { background: #ffbd2e; }
        .dot-green { background: #27c93f; }

        .screenshot-title {
            margin-left: 12px;
            font-size: 0.75rem;
            color: var(--text-muted);
            font-family: 'JetBrains Mono', monospace;
        }

        .screenshot-img {
            width: 100%;
            display: block;
            image-rendering: pixelated;
        }

        .features {
            padding: 80px 24px;
            position: relative;
            z-index: 1;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-header h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.125rem;
        }

        .features-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }

        .feature-card {
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 32px;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), transparent);
            opacity: 0;
            transition: opacity 0.3s;
        }

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

        .feature-card:hover::before {
            opacity: 1;
        }

        .feature-icon {
            width: 48px;
            height: 48px;
            background: var(--bg-tertiary);
            border: 1px solid var(--border);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            font-size: 1.5rem;
        }

        .feature-card h3 {
            font-size: 1.125rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .feature-card p {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            line-height: 1.6;
        }

        .feature-tag {
            display: inline-block;
            background: var(--accent-glow);
            color: var(--accent-hover);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 500;
            margin-top: 12px;
            font-family: 'JetBrains Mono', monospace;
        }

        .code-section {
            padding: 80px 24px;
            position: relative;
            z-index: 1;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .code-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .code-block {
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
        }

        .code-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 20px;
            background: var(--bg-tertiary);
            border-bottom: 1px solid var(--border);
        }

        .code-header-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .code-tab {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            color: var(--text-primary);
            font-family: 'JetBrains Mono', monospace;
        }

        .code-tab-icon {
            width: 16px;
            height: 16px;
            opacity: 0.7;
        }

        .copy-btn {
            display: flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-secondary);
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 0.8rem;
            cursor: pointer;
            transition: all 0.2s;
            font-family: 'JetBrains Mono', monospace;
        }

        .copy-btn:hover {
            background: var(--bg-secondary);
            color: var(--text-primary);
            border-color: var(--border-light);
        }

        .copy-btn.copied {
            background: var(--accent-glow);
            color: var(--accent-hover);
            border-color: var(--accent);
        }

        .code-content {
            padding: 24px 28px;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.9rem;
            line-height: 1.8;
            overflow-x: auto;
        }

        .code-line {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 2px 0;
        }

        .line-number {
            color: var(--text-muted);
            font-size: 0.8rem;
            min-width: 24px;
            text-align: right;
            user-select: none;
        }

        .code-content .comment { color: #7ee787; opacity: 0.7; }
        .code-content .command { color: #79c0ff; }
        .code-content .prompt { color: var(--text-muted); }
        .code-content .arg { color: #d2a8ff; }
        .code-content .string { color: #a5d6ff; }

        .architecture {
            padding: 80px 24px;
            position: relative;
            z-index: 1;
        }

        .arch-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 16px;
        }

        .arch-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px;
            background: var(--bg-secondary);
            border: 1px solid var(--border);
            border-radius: 8px;
            transition: all 0.2s;
        }

        .arch-item:hover {
            border-color: var(--border-light);
            background: var(--bg-tertiary);
        }

        .arch-item .icon {
            width: 40px;
            height: 40px;
            min-width: 40px;
            background: var(--bg-primary);
            border: 1px solid var(--border);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
        }

        .arch-item h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .arch-item p {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        footer {
            padding: 40px 24px;
            border-top: 1px solid var(--border);
            text-align: center;
            color: var(--text-muted);
            font-size: 0.875rem;
            position: relative;
            z-index: 1;
        }

        footer a {
            color: var(--text-secondary);
            text-decoration: none;
        }

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

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .hero {
                padding: 120px 20px 60px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .hero-buttons a {
                width: 100%;
                max-width: 280px;
                justify-content: center;
            }
        }