.product-master-reference {
  margin-top: 3rem;
  padding: clamp(3rem, 6vw, 5.5rem) 0;
  background: linear-gradient(135deg, #f5f9fd 0%, #edf5fb 100%);
  border-top: 1px solid #d8e5f1;
  border-bottom: 1px solid #d8e5f1;
}

.product-master-reference .container { max-width: 1200px; }
.product-master-reference .eyebrow {
  margin: 0 0 .55rem;
  color: #087dc5;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .13em;
}
.product-master-reference h2 { margin: 0 0 .85rem; color: #0b315d; }
.product-master-reference > .container > p:last-child { max-width: 900px; color: #4d627d; }
.product-master-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 1.8rem 0;
  background: #d8e5f1;
  border: 1px solid #d8e5f1;
  border-radius: .9rem;
  overflow: hidden;
}
.product-master-facts > div { padding: 1.15rem 1.2rem; background: #fff; }
.product-master-facts dt { margin-bottom: .38rem; color: #0b315d; font-size: .76rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.product-master-facts dd { margin: 0; color: #435a76; line-height: 1.55; }
.product-master-reference a { color: #086fc1; font-weight: 700; }
@media (max-width: 640px) { .product-master-facts { grid-template-columns: 1fr; } }