/* Main navigation remains ordinary links, presented as a row of tabs. */
.site-header {
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px 24px;
  padding: 12px max(24px, 4vw) 0;
  min-width: 0;
}
.site-header > .brand { grid-column: 1; grid-row: 1; }
.site-header > .account-nav {
  grid-column: 2;
  grid-row: 1;
  min-width: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 20px;
}
.site-header > .main-nav {
  grid-column: 1 / -1;
  grid-row: 2;
  display: flex;
  justify-self: stretch;
  justify-content: flex-start;
  align-items: stretch;
  min-width: 0;
  gap: 5px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
  scrollbar-color: #b58a40 transparent;
  padding: 2px 2px 0;
}
.site-header > .main-nav a {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 11px 17px;
  border: 1px solid var(--line);
  border-bottom: 3px solid transparent;
  border-radius: 8px 8px 0 0;
  background: rgba(255, 253, 248, .7);
  font-size: 12px;
  letter-spacing: .035em;
  line-height: 1.3;
  white-space: nowrap;
  transition: background .15s, color .15s, border-color .15s;
}
.site-header > .main-nav a:hover {
  background: #eee2cd;
  border-bottom-color: #936b29;
}
.site-header > .main-nav a[aria-current] {
  color: #fff;
  background: #1c6b72;
  border-color: #1c6b72;
  border-bottom-color: #b58a40;
}
.site-header > .main-nav a:focus-visible {
  outline: 2px solid #936b29;
  outline-offset: -3px;
}
@media (max-width: 600px) {
  .site-header { padding: 10px 12px 0; gap: 10px 12px; }
  .site-header > .account-nav { gap: 8px 12px; }
  .site-header > .account-nav .nav-action { white-space: normal; text-align: right; }
  .site-header > .main-nav a { padding: 11px 14px; }
}
@media (prefers-reduced-motion: reduce) {
  .site-header > .main-nav a { transition: none; }
}