:root {
            --primary-color: #2c3e50;
            --secondary-color: #3498db;
            --accent-color: #e74c3c;
            --light-color: #ecf0f1;
            --dark-color: #2c3e50;
        }
        
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background-color: #f8f9fa;
            color: #333;
        }
        
        .navbar {
            background-color: var(--primary-color);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        .navbar-brand {
            font-weight: 700;
            font-size: 1.8rem;
            color: white !important;
        }
        
        .btn-download {
            background-color: var(--accent-color);
            border: none;
            padding: 10px 25px;
            font-weight: 600;
            transition: all 0.3s;
        }
        
        .btn-download:hover {
            background-color: #c0392b;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        }
        
        .hero-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, #34495e 100%);
            color: white;
            padding: 80px 0;
            margin-bottom: 50px;
        }
        
        .game-title {
            font-size: 3.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        
        .game-subtitle {
            font-size: 1.5rem;
            margin-bottom: 30px;
            opacity: 0.9;
        }
        
        .carousel-container {
            max-width: 900px;
            margin: 0 auto 50px;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }
        
        .carousel-item img, .carousel-item video {
            height: 500px;
            object-fit: cover;
        }
        
        .section-title {
            color: var(--primary-color);
            font-weight: 700;
            margin-bottom: 40px;
            position: relative;
            padding-bottom: 15px;
            text-align: center;
        }
        
        .section-title:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--secondary-color);
            border-radius: 2px;
        }
        
        .features-section {
            background-color: white;
            padding: 60px 0;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 50px;
        }
        
        .feature-icon {
            font-size: 2.5rem;
            color: var(--secondary-color);
            margin-bottom: 20px;
        }
        
        .download-section {
            background-color: var(--light-color);
            padding: 60px 0;
            border-radius: 15px;
            margin-bottom: 50px;
        }
        
        .instructions {
            background-color: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-top: 30px;
        }
        
        .step-number {
            display: inline-block;
            width: 40px;
            height: 40px;
            background-color: var(--secondary-color);
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            font-weight: bold;
            margin-right: 15px;
        }
        
        .key-indicator {
            display: inline-block;
            background-color: #333;
            color: white;
            padding: 5px 10px;
            border-radius: 5px;
            font-family: monospace;
            font-weight: bold;
            margin: 0 5px;
        }
        
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 40px 0 20px;
        }
        
        .footer-logo {
            max-width: 150px;
            margin-bottom: 20px;
        }
        
        .social-links a {
            color: white;
            font-size: 1.5rem;
            margin: 0 10px;
            transition: color 0.3s;
        }
        
        .social-links a:hover {
            color: var(--secondary-color);
        }
        
        .realistic-environment {
            background-color: #f0f8ff;
            padding: 25px;
            border-radius: 10px;
            border-left: 5px solid var(--secondary-color);
            margin: 20px 0;
        }
        
        .development-notice {
            background-color: #fff3cd;
            border: 1px solid #ffeaa7;
            border-left: 5px solid #f39c12;
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
        }
        
        .controls-info {
            background-color: #e8f4fd;
            padding: 20px;
            border-radius: 8px;
            border-left: 5px solid var(--secondary-color);
            margin: 20px 0;
        }
        
        .about-image {
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            margin-bottom: 25px;
        }
        
        @media (max-width: 768px) {
            .game-title {
                font-size: 2.5rem;
            }
            
            .game-subtitle {
                font-size: 1.2rem;
            }
            
            .carousel-item img, .carousel-item video {
                height: 300px;
            }
        }