/* Opt-in sticky wrapper contract for composed in-page rails. */
.scrollspy.scrollspy--sticky {
  position: sticky;
  top: calc(var(--nav-h, 60px) + var(--spacing-lg, 16px));
  align-self: start;
}

/* Style hook for the active anchor — the runtime sets both
   aria-current="true" and .is-active so apps can target either. */
.scrollspy a.is-active,
.scrollspy a[aria-current="true"] {
  color: var(--color-primary, #2563EB);
  font-weight: 600;
}