body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #0a0a0a;
    color: white;
    }

    header {
    text-align: center;
    padding: 60px 20px;
    background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
    }

    nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    background: #111;
    padding: 15px;
    }

    nav a {
    color: white;
    text-decoration: none;
    font-weight: bold;
    }

    section {
    padding: 50px 20px;
    max-width: 1000px;
    margin: auto;
    }

    .card {
    background: #1a1a1a;
    padding: 20px;
    margin: 15px 0;
    border-radius: 10px;
    transition: 0.3s;
    }

    .card:hover {
    transform: scale(1.03);
    background: #222;
    }

    footer {
    text-align: center;
    padding: 20px;
    background: #111;
    }