/**
 * Primary navigation: white links on the slate bar.
 *
 * Uppercase at 14px with generous tracking, as the original had it — at this
 * size lowercase links on a mid-blue ground lose their edge.
 */

.primary-nav__list {
  display: flex;
  margin: 0; padding: 0;
  list-style: none;
}
.primary-nav__item { position: relative; }

.primary-nav__link {
  display: inline-flex;
  align-items: center;
  padding: var(--s-3) var(--s-4);
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--c-white);
  text-decoration: none;
  position: relative;
  transition: background var(--dur-fast) var(--ease);
}
.primary-nav__link:hover,
.primary-nav__item.is-active > .primary-nav__link {
  background: rgb(0 0 0 / 0.12);
  color: var(--c-white);
}

/* The gold underline marks the current section. */
.primary-nav__link::after {
  content: '';
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  height: 2px;
  background: var(--c-gold);
  transform: scaleX(0);
  transition: transform var(--dur) var(--ease-out);
}
.primary-nav__item.is-active > .primary-nav__link::after { transform: scaleX(1); }

@media (min-width: 64em) {
  .primary-nav__list { align-items: stretch; }
  .primary-nav__link { padding-block: 0; min-height: var(--nav-h); }
}

@media (max-width: 63.99em) {
  .primary-nav__list { flex-direction: column; align-items: stretch; }
  .primary-nav__item + .primary-nav__item { border-top: 1px solid rgb(255 255 255 / 0.18); }
  .primary-nav__link { width: 100%; padding: var(--s-4) 0; }
  .primary-nav__link::after { inset-inline: 0 auto; width: 2rem; }
}