body {
    font-family: Arial, sans-serif;
    margin: 0;
    background: #f9f9f9;
  }
  header {
    background: #0077b6;
    color: white;
    padding: 1rem;
    text-align: center;
  }
  main {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    padding: 2rem;
  }
  .card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    padding: 1.5rem;
    transition: transform 0.3s;
  }
  .card:hover {
    transform: translateY(-5px);
  }
  .card h3 {
    color: #023e8a;
    font-size: 1.3rem;
  }
  .card p {
    margin: 0.8rem 0;
    color: #333;
  }
  .card a {
    display: inline-block;
    margin-top: 0.5rem;
    text-decoration: none;
    background: #00b4d8;
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
  }
  .card a:hover {
    background: #0096c7;
  }