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

.header {
    text-align: center;
    padding: 40px 0;
}

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

.nav a {
    color: #00d4ff;
    text-decoration: none;
    font-weight: bold;
}

.hero {
    text-align: center;
    padding: 60px;
}