/* Assicura che tutti i link "Scarica Certificato" siano bianchi */
.card a[download] {
  color: white !important;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 0.8rem 1.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  text-align: center;
  width: 100%;
  margin-top: 1rem;
  position: relative;
  overflow: hidden;
  z-index: 1;
}