/* Keep the primary navigation available while scrolling. */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}

/* Prevent anchor-linked sections from sitting underneath the sticky header. */
section[id] {
  scroll-margin-top: 96px;
}