body {
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    margin: 0;
    text-align: center;
}

header {
    background: #1f2937;
    color: white;
    padding: 2rem;
}

.cards {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 3rem;
}

.card {
    background: white;
    padding: 2rem;
    width: 280px;
    border-radius: 10px;
    text-decoration: none;
    color: #1f2937;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.card:hover {
    transform: scale(1.05);
}