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

        :root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --secondary: #10b981;
            --accent: #f59e0b;
            --bg-dark: #0f172a;
            --bg-secondary: #1e293b;
            --bg-tertiary: #334155;
            --text-primary: #f8fafc;
            --text-secondary: #cbd5e1;
            --text-muted: #94a3b8;
            --border: #475569;
            --success: #22c55e;
            --warning: #eab308;
            --error: #ef4444;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: var(--bg-dark);
            color: var(--text-primary);
            line-height: 1.6;
            min-height: 100vh;
        }

        .header {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 2rem 0;
            position: relative;
            overflow: hidden;
        }

        .header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
            opacity: 0.3;
        }

        .container {
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding: 0 2rem;
            position: relative;
            z-index: 1;
        }

        .hero {
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: clamp(2.5rem, 5vw, 4rem);
            font-weight: 800;
            margin-bottom: 1rem;
            background: linear-gradient(135deg, #ffffff 0%, #e2e8f0 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero p {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .ad-banner {
            background: var(--bg-secondary);
            border: 2px dashed var(--border);
            border-radius: 12px;
            padding: 2rem;
            margin: 2rem 0;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.9rem;
            min-height: 120px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .ad-banner.horizontal {
            min-height: 100px;
        }

        .main-content {
            background: var(--bg-secondary);
            padding: 4rem 0;
        }

        .section {
            margin: 4rem 0;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 3rem;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin: 3rem 0;
        }

        .feature-card {
            background: var(--bg-tertiary);
            border-radius: 16px;
            padding: 2rem;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
        }

        .feature-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary);
            box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 1rem;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

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

        .install-button-container {
            text-align: center;
            margin: 2rem 0;
        }

        .install-button {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border: none;
            color: white;
            padding: 1.2rem 3rem;
            font-size: 1.2rem;
            font-weight: 700;
            border-radius: 16px;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
            text-transform: uppercase;
            letter-spacing: 1px;
            position: relative;
            overflow: hidden;
            min-width: 250px;
        }

        .install-button:hover:not(:disabled) {
            transform: translateY(-4px);
            box-shadow: 0 12px 32px rgba(99, 102, 241, 0.4);
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
        }

        .install-button:active:not(:disabled) {
            transform: translateY(-2px);
        }

        .install-button:disabled {
            opacity: 0.6;
            cursor: not-allowed;
            transform: none;
        }

        .install-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: left 0.5s;
        }

        .install-button:hover:not(:disabled)::before {
            left: 100%;
        }

        .progress-container {
            display: none;
            margin: 2rem 0;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .progress-bar {
            width: 100%;
            height: 20px;
            background: var(--bg-tertiary);
            border-radius: 10px;
            overflow: hidden;
            margin: 1rem 0;
        }

        .progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            width: 0%;
            transition: width 0.3s ease;
            border-radius: 10px;
        }

        .progress-text {
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin: 0.5rem 0;
        }

        .alert {
            padding: 1.5rem;
            border-radius: 12px;
            margin: 1.5rem 0;
            border-left: 4px solid;
        }

        .alert.warning {
            background: rgba(239, 68, 68, 0.1);
            border-color: var(--error);
            color: var(--text-secondary);
        }

        .alert.success {
            background: rgba(34, 197, 94, 0.1);
            border-color: var(--success);
            color: var(--text-secondary);
        }

        .alert.error {
            background: rgba(239, 68, 68, 0.1);
            border-color: var(--error);
            color: var(--text-secondary);
        }

        .alert strong {
            color: var(--text-primary);
            display: block;
            margin-bottom: 0.5rem;
        }

        .github-section {
            background: var(--bg-tertiary);
            padding: 3rem 0;
            text-align: center;
            border-top: 1px solid var(--border);
        }

        .github-link {
            background: linear-gradient(135deg, #24292e, #1a1e22);
            color: white;
            padding: 1rem 2rem;
            border-radius: 12px;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 600;
            transition: all 0.3s ease;
            border: 1px solid #404040;
        }

        .github-link:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 24px rgba(36, 41, 46, 0.3);
            background: linear-gradient(135deg, #1a1e22, #24292e);
        }

        @media (max-width: 1200px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }

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

            .section-title {
                font-size: 2rem;
            }

            .hero h1 {
                font-size: 2.5rem;
            }
        }

        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            animation: fadeIn 0.8s ease forwards;
        }

        @keyframes fadeIn {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hardware-image {
            background: #f8f9fa;
            border-radius: 12px;
            padding: 1rem;
            min-height: 200px;
            min-width: 250px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex: 1;
            overflow: hidden;
            color: #666;
            font-size: 0.9rem;
        }

        .console {
            background: #1a1a1a;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 1rem;
            font-family: 'Courier New', monospace;
            font-size: 0.9rem;
            max-height: 300px;
            overflow-y: auto;
            margin: 1rem 0;
            display: none;
        }

        .console-line {
            margin: 0.2rem 0;
            color: #00ff00;
        }

        .console-error {
            color: #ff4444;
        }

        .console-info {
            color: #4488ff;
        }