/* Utilities nav tab — shared across every page.
   Colours come from each page's own tokens so the menu matches its theme. */

.nav-drop {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-drop__btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 44px;
  padding: 0 10px;
  border: 0;
  background: none;
  color: var(--nav-drop-fg, inherit);
  font-family: inherit;
  font-size: var(--nav-drop-size, 13px);
  font-weight: inherit;
  line-height: 1.2;
  letter-spacing: inherit;
  cursor: pointer;
  opacity: 0.8;
  transition: opacity 0.2s, color 0.2s;
}

.nav-drop__btn:hover,
.nav-drop__btn[aria-expanded="true"],
.nav-drop__btn.active {
  opacity: 1;
  color: var(--nav-drop-accent, var(--blue, #0066cc));
}

.nav-drop__chev {
  width: 9px;
  height: 9px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.2s;
}

.nav-drop__btn[aria-expanded="true"] .nav-drop__chev {
  transform: rotate(180deg);
}

.nav-drop__menu {
  position: absolute;
  top: calc(100% - 2px);
  left: 50%;
  z-index: 10;
  min-width: 244px;
  margin-top: 0;
  padding: 12px 6px 6px;
  background: var(--nav-drop-bg, #fff);
  border: 1px solid var(--nav-drop-line, rgba(0, 0, 0, 0.1));
  border-radius: 14px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.16);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(-50%) translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

.nav-drop.open .nav-drop__menu,
html:not(.nav-enhanced) .nav-drop:hover .nav-drop__menu,
html:not(.nav-enhanced) .nav-drop:focus-within .nav-drop__menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-drop__menu a {
  display: block;
  padding: 9px 11px;
  border-radius: 10px;
  color: inherit;
  text-decoration: none;
  opacity: 1;
}

.nav-drop__menu a:hover,
.nav-drop__menu a:focus-visible {
  background: var(--nav-drop-hover, rgba(0, 0, 0, 0.05));
  color: inherit;
}

.nav-drop__btn:focus-visible,
.nav-drop__menu a:focus-visible {
  outline: 2px solid var(--nav-drop-accent, var(--blue, #0066cc));
  outline-offset: 2px;
}

.nav-drop__name {
  display: block;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.3;
}

.nav-drop__desc {
  display: block;
  margin-top: 2px;
  font-size: 11.5px;
  font-weight: 400;
  line-height: 1.4;
  opacity: 0.62;
}

.nav-drop__menu a[aria-current="page"] .nav-drop__name {
  color: var(--nav-drop-accent, var(--blue, #0066cc));
}

/* Mobile menu grouping */
.mobile-menu__label {
  display: block;
  padding: 16px 0 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.5;
  border-bottom: 0;
}

.mobile-menu a.mobile-menu__sub,
.site-mobile-menu a.mobile-menu__sub {
  padding-left: 14px;
}

.menu-toggle {
  min-width: 44px;
  min-height: 44px;
}

.mobile-menu a {
  min-height: 44px;
}

.site-menu-toggle,
.site-mobile-menu {
  display: none;
}

@media (max-width: 768px) {
  .site-menu-toggle {
    display: inline-flex;
    min-width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--nav-drop-line, rgba(0, 0, 0, 0.1));
    border-radius: 10px;
    background: var(--nav-drop-bg, #fff);
    color: var(--nav-drop-fg, inherit);
    font: inherit;
    cursor: pointer;
  }

  .site-menu-toggle:focus-visible {
    outline: 2px solid var(--nav-drop-accent, var(--blue, #0066cc));
    outline-offset: 2px;
  }

  .site-mobile-menu {
    position: fixed;
    top: 60px;
    right: 12px;
    left: 12px;
    z-index: 10000;
    max-height: calc(100dvh - 72px);
    overflow: auto;
    padding: 12px;
    border: 1px solid var(--nav-drop-line, rgba(0, 0, 0, 0.1));
    border-radius: 14px;
    background: var(--nav-drop-bg, #fff);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.16);
  }

  .site-mobile-menu.open {
    display: block;
  }

  .site-mobile-menu a {
    display: block;
    min-height: 44px;
    padding: 12px;
    color: inherit;
    text-decoration: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-drop__menu,
  .nav-drop__chev {
    transition: none;
  }
}