.buy-link {
  display: inline-block;
  margin: 0 8px 14px;
  padding: 8px 13px;
  border-radius: 9px;
  background: #0891b2;
  color: #fff;
  text-decoration: none;
  font-size: .84rem;
  font-weight: 700;
}

.buy-link:hover { background: #0e7490; }
.product-card:has(.buy-link) h2 { padding-bottom: 8px; }