body { font-family: Arial, sans-serif; background-color: #1a1a2e; color: white; margin: 0; }
nav { display: flex; justify-content: space-between; padding: 20px; background: #16213e; }
.hero { text-align: center; padding: 50px; }
.container { display: flex; justify-content: center; gap: 20px; padding: 20px; }
.card { background: #0f3460; padding: 20px; border-radius: 10px; width: 200px; text-align: center; }
button { background: #e94560; color: white; border: none; padding: 10px; cursor: pointer; border-radius: 5px; }
button:hover { background: #ff2e63; }