.references-card {
  background: #fff;
  border-radius: 10px;
  padding: 1.5rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.05);
  transition: transform .2s ease, box-shadow .2s ease;
}

.references-card.accent-top {
  border-top: 5px solid var(--bs-primary);
  padding-top: 1rem;
}