body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 20px;
            background-color: #f5f5f5;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        h1 {
            text-align: center;
            color: #333;
            margin-bottom: 40px;
        }
        
        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }
        
        .project-card {
            background: white;
            border-radius: 15px;
            padding: 30px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            text-decoration: none;
            color: inherit;
        }
        
        .project-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
        }
        
        .project-card h2 {
            color: #2c3e50;
            margin-bottom: 15px;
            font-size: 1.5em;
        }
        
        .project-card p {
            color: #666;
            line-height: 1.6;
            margin-bottom: 20px;
        }
        
        .physics-card {
            border-left: 5px solid #609966;
        }
        
        .weather-card {
            border-left: 5px solid #3498db;
        }
        
        .game-card {
            border-left: 5px solid #e74c3c;
        }
        
        .lutemon-card {
            border-left: 5px solid #9b59b6;
        }