body {
  background: linear-gradient(135deg, #f5f9ff 0%, #ffffff 100%);
  min-height: 100vh;
}

.card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
  header h1 {
    font-size: 1.9rem;
  }

  header p {
    font-size: 1rem;
  }

  .card {
    padding: 1.5rem !important;
  }

  footer {
    font-size: 0.8rem;
  }
}