@media (max-width: 768px) {
  .container {
    margin: 1rem auto;
  }

  .form-container {
    padding: 1.5rem;
  }

  h1, h2 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .container {
    margin: 0.5rem auto;
  }

  .form-container {
    padding: 1rem;
    border-radius: 8px;
  }

  input,
  .primary-button,
  .secondary-button {
    padding: 0.6rem;
  }
}