*{margin:0;padding:0;box-sizing:border-box}body{font-family:Arial,sans-serif;background:linear-gradient(135deg,#667eea,#764ba2);min-height:100vh;padding:20px}.container{max-width:1200px;margin:0 auto}h1{text-align:center;color:#fff;font-size:3rem;margin-bottom:2rem;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.games-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-bottom:3rem}.game-card{background:#fff;border-radius:15px;padding:1.5rem;box-shadow:0 10px 30px #0003;transition:transform .3s ease,box-shadow .3s ease;text-align:center}.game-card:hover{transform:translateY(-5px);box-shadow:0 15px 40px #0000004d}.game-title{font-size:1.5rem;color:#333;margin-bottom:1rem;text-transform:uppercase;font-weight:700}.game-buttons{display:flex;gap:10px;justify-content:center;margin-bottom:1rem}.btn{padding:12px 24px;border:none;border-radius:8px;cursor:pointer;font-weight:700;text-decoration:none;text-align:center;transition:all .3s ease;display:inline-block;min-width:100px}.btn-play{background:linear-gradient(45deg,#ff6b6b,#ff8e53);color:#fff}.btn-play:hover{background:linear-gradient(45deg,#ff5252,#ff7043);transform:scale(1.05)}.btn-demo{background:linear-gradient(45deg,#4ecdc4,#44a08d);color:#fff}.btn-demo:hover{background:linear-gradient(45deg,#26c6da,#388e3c);transform:scale(1.05)}.iframe-info{background:#ffffff1a;padding:10px;border-radius:8px;margin-top:10px}.iframe-url{font-family:monospace;font-size:.8rem;color:#666;word-break:break-all;background:#f5f5f5;padding:5px;border-radius:4px;margin-top:5px}.instructions{background:#fffffff2;padding:2rem;border-radius:15px;margin-top:2rem;box-shadow:0 5px 20px #0000001a}.instructions h2{color:#333;margin-bottom:1rem}.instructions p{color:#666;line-height:1.6;margin-bottom:1rem}.iframe-example{background:#f8f9fa;padding:1rem;border-radius:8px;font-family:monospace;font-size:.9rem;color:#333;overflow-x:auto}@media (max-width: 768px){h1{font-size:2rem}.game-buttons{flex-direction:column}}