@media (max-width: 768px) {
  .catalog-container {
    grid-template-columns: 1fr;
    padding: 1rem;
  }

  .product-image-container {
    height: 220px;
  }

  .product-info {
    padding: 1rem;
  }

  .offcanvas {
    width: 100%;
    left: -100%;
  }

  .offcanvas.open {
    left: 0;
  }

  .offcanvas-header h2 {
    font-size: 1.2rem;
  }

  .filtro-toggle button {
    width: 90%;
    font-size: 1rem;
  }

  .modal-content {
    width: 95%;
    max-width: none;
  }

  .tema-toggle {
    top: 1rem;
    right: 1rem;
    font-size: 1.3rem;
  }

  .header h1 {
    font-size: 1.8rem;
  }
}