/* Information architecture and navigation layer.
   Loaded after the base shell so it can safely override the older single-menu rules. */

.primary-nav__inner {
  position: relative;
  overflow: visible;
}

.nav-menu {
  position: static;
}

.nav-menu__panel {
  left: 0;
  right: 0;
  width: auto;
  padding: 0;
  overflow: hidden;
  border-top: 3px solid var(--navy-mid);
  box-shadow: 0 0.9rem 1.8rem rgba(9, 20, 34, 0.2);
}

.nav-menu__layout {
  display: grid;
  grid-template-columns: minmax(14rem, 17rem) minmax(0, 1fr);
  min-height: 15rem;
}

.nav-menu__intro {
  padding: 1.4rem;
  background: var(--surface-blue);
  border-right: 1px solid var(--border);
}

.nav-menu__overview {
  min-height: 0 !important;
  display: grid !important;
  gap: 0.6rem;
  padding: 0 !important;
  border: 0 !important;
  color: var(--ink) !important;
  white-space: normal !important;
}

.nav-menu__overview:hover {
  background: transparent !important;
}

.nav-menu__overview-title {
  color: var(--link);
  font-family: var(--serif);
  font-size: 1.45rem;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: underline;
  text-decoration-thickness: 0.06em;
  text-underline-offset: 0.16em;
}

.nav-menu__overview > span:not(.nav-menu__overview-title):not(.nav-menu__arrow) {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 400;
  line-height: 1.55;
}

.nav-menu__arrow {
  color: var(--link);
  font-size: 1.25rem;
}

.nav-menu__columns {
  display: grid;
  gap: 0;
  padding: 1.1rem 1.25rem;
  background: var(--surface);
}

.nav-menu__columns--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.nav-menu__columns--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.nav-menu__feature,
.nav-menu__group a {
  min-height: 0 !important;
  align-content: start;
  display: grid !important;
  gap: 0.3rem;
  padding: 0.9rem 1rem !important;
  border: 0 !important;
  border-right: 1px solid var(--border) !important;
  color: var(--ink) !important;
  white-space: normal !important;
}

.nav-menu__feature:last-child {
  border-right: 0 !important;
}

.nav-menu__feature strong,
.nav-menu__group a strong {
  color: var(--link);
  font-size: 0.95rem;
}

.nav-menu__feature span,
.nav-menu__group a span {
  color: var(--muted);
  font-size: 0.83rem;
  font-weight: 400;
  line-height: 1.45;
}

.nav-menu__feature:hover,
.nav-menu__group a:hover,
.nav-menu__feature[aria-current="page"],
.nav-menu__group a[aria-current="page"] {
  background: var(--surface-blue) !important;
}

.nav-menu__group {
  min-width: 0;
  padding: 0 0.35rem;
  border-right: 1px solid var(--border);
}

.nav-menu__group:last-child {
  border-right: 0;
}

.nav-menu__group h2 {
  margin: 0;
  padding: 0.65rem 1rem 0.45rem;
  color: var(--ink);
  font-family: var(--sans);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-menu__group a {
  border-right: 0 !important;
  border-top: 1px solid var(--border) !important;
}

.nav-menu__group a:first-of-type {
  border-top: 2px solid var(--navy-mid) !important;
}

.page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem 1rem;
  padding: 0 0 1.35rem;
  margin: -0.35rem 0 1.6rem;
  border-bottom: 1px solid var(--border);
}

.page-actions a {
  font-weight: 700;
}

.page-actions a + a::before {
  content: "·";
  margin-right: 1rem;
  color: var(--faint);
  text-decoration: none;
}

.section-heading--with-action {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem 2rem;
}

.section-heading__action {
  flex: 0 0 auto;
  font-weight: 700;
}

.resource-cluster + .resource-cluster {
  margin-top: 2.4rem;
}

.resource-cluster__heading {
  max-width: 44rem;
  margin-bottom: 1rem;
}

.resource-cluster__heading h3 {
  margin: 0 0 0.35rem;
  font-size: 1.35rem;
}

.resource-cluster__heading p {
  margin: 0;
  color: var(--muted);
}

.page-rules .content-shell,
.page-opinions .content-shell {
  padding: clamp(1.25rem, 4vw, 2.75rem);
}

.rules-directory {
  display: grid;
  gap: 2.6rem;
}

.rules-directory__section + .rules-directory__section {
  padding-top: 2.1rem;
  border-top: 1px solid var(--border);
}

.rules-directory__heading {
  max-width: 48rem;
  margin-bottom: 1rem;
}

.rules-directory__heading h2 {
  margin: 0 0 0.45rem;
}

.rules-directory__heading p {
  margin: 0;
  color: var(--muted);
}

.rules-directory__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
}

.rules-directory__card {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.05rem;
  border: 1px solid var(--border);
  background: var(--surface-blue);
  color: inherit;
  text-decoration: none;
}

.rules-directory__card strong {
  color: var(--link);
  font-family: var(--serif);
  font-size: 1.05rem;
}

.rules-directory__card span {
  color: var(--muted);
  font-size: 0.9rem;
}

.rules-directory__card:hover {
  border-color: var(--border-strong);
  background: var(--surface-alt);
}

.opinions-list {
  display: grid;
  gap: 0;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--border);
  list-style: none;
}

.opinions-list li {
  border-bottom: 1px solid var(--border);
}

.opinions-list a {
  display: block;
  padding: 0.75rem 0.2rem;
  font-weight: 650;
}

.search-destinations {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
  margin: 1.25rem 0 1.8rem;
}

.search-destinations a {
  padding: 0.8rem;
  border: 1px solid var(--border);
  background: var(--surface-blue);
  font-weight: 700;
  text-decoration: none;
}

.search-destinations a span {
  display: block;
  margin-top: 0.2rem;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 400;
}

@media (max-width: 960px) {
  .primary-nav__inner {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    overflow: visible;
  }

  .primary-nav__inner > a,
  .primary-nav__inner > .nav-menu {
    min-width: 0;
    border-bottom: 1px solid var(--border);
  }

  .primary-nav a,
  .nav-menu summary {
    justify-content: center;
    white-space: normal;
    text-align: center;
  }

  .primary-nav__related {
    margin-left: 0;
  }

  .nav-menu__layout {
    grid-template-columns: 14rem minmax(0, 1fr);
  }
}

@media (max-width: 720px) {
  .primary-nav__inner {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    width: 100%;
  }

  .primary-nav__inner > .nav-menu {
    grid-column: 1 / -1;
    position: relative;
  }

  .nav-menu__panel {
    position: static;
    width: 100%;
    border-left: 0;
    border-right: 0;
    box-shadow: none;
  }

  .nav-menu__layout,
  .nav-menu__columns--two,
  .nav-menu__columns--three,
  .rules-directory__grid,
  .search-destinations {
    grid-template-columns: 1fr;
  }

  .nav-menu__intro {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .nav-menu__group {
    border-right: 0;
  }

  .nav-menu__feature,
  .nav-menu__group a {
    border-right: 0 !important;
    border-top: 1px solid var(--border) !important;
  }

  .nav-menu__feature:first-child {
    border-top: 0 !important;
  }

  .section-heading--with-action {
    align-items: start;
    flex-direction: column;
  }

  .page-actions a + a::before {
    content: none;
  }
}

@media (max-width: 520px) {
  .primary-nav__inner {
    grid-template-columns: 1fr;
  }

  .primary-nav a,
  .nav-menu summary {
    justify-content: flex-start;
    text-align: left;
  }
}