.hero {
    background: linear-gradient(135deg, #0d1117 0%, #1a1e2e 100%);
    color: white;
    min-height: 50vh;
    display: flex;
    align-items: center;
}
.card {
    transition: transform 0.2s;
}
.card:hover {
    transform: translateY(-5px);
}