/* Desktop nested navigation (up to 3 levels) */
.site-nav {
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

@media (min-width: 1024px) {
  .site-nav {
    gap: 0.35rem;
  }
}

.site-nav__item {
  position: relative;
  list-style: none;
}

.site-nav__hit {
  display: inline-flex;
  align-items: center;
  gap: 0.15rem;
}

.site-nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 0.5rem;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--muted-foreground);
  text-decoration: none;
  transition: color 0.2s ease;
}

@media (min-width: 1024px) {
  .site-nav__link {
    padding-inline: 0.75rem;
    font-size: 0.875rem;
  }
}

.site-nav__link:hover,
.site-nav__link:focus-visible,
.site-nav__link.is-active,
.site-nav__item.is-active > .site-nav__hit > .site-nav__link {
  color: var(--foreground);
}

.site-nav__underline {
  position: absolute;
  right: 0.75rem;
  bottom: 0.25rem;
  left: 0.75rem;
  height: 1px;
  transform: scaleX(0);
  transform-origin: left;
  background: var(--primary);
  transition: transform 0.3s ease;
}

.site-nav__item:hover > .site-nav__hit > .site-nav__link > .site-nav__underline,
.site-nav__item:focus-within > .site-nav__hit > .site-nav__link > .site-nav__underline,
.site-nav__link.is-active > .site-nav__underline {
  transform: scaleX(1);
}

.site-nav__caret {
  display: inline-flex;
  color: var(--muted-foreground);
  transition: color 0.2s ease, transform 0.2s ease;
}

.site-nav__item:hover > .site-nav__hit > .site-nav__caret,
.site-nav__item:focus-within > .site-nav__hit > .site-nav__caret {
  color: var(--foreground);
}

.site-nav__item.has-children:hover > .site-nav__hit > .site-nav__caret,
.site-nav__item.has-children:focus-within > .site-nav__hit > .site-nav__caret {
  transform: rotate(180deg);
}

.site-nav__item[data-nav-depth="1"].has-children:hover > .site-nav__hit > .site-nav__caret,
.site-nav__item[data-nav-depth="1"].has-children:focus-within > .site-nav__hit > .site-nav__caret {
  transform: none;
}

.site-nav__caret-icon {
  width: 0.85rem;
  height: 0.85rem;
}

.site-nav__dropdown {
  position: absolute;
  top: calc(100% - 0.15rem);
  left: 0;
  z-index: 80;
  min-width: 13.5rem;
  margin: 0;
  padding: 0.45rem;
  list-style: none;
  border: 1px solid color-mix(in oklab, var(--border) 90%, transparent);
  border-radius: 0.75rem;
  background: color-mix(in oklab, var(--background) 94%, #000);
  box-shadow: 0 18px 40px -24px rgba(0, 0, 0, 0.75);
  opacity: 0;
  visibility: hidden;
  transform: translateY(0.4rem);
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
}

.site-nav__item:hover > .site-nav__dropdown,
.site-nav__item:focus-within > .site-nav__dropdown,
.site-nav__item.is-open > .site-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.site-nav__dropdown .site-nav__item {
  width: 100%;
}

.site-nav__dropdown .site-nav__hit {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  width: 100%;
  gap: 0.35rem;
  border-radius: 0.5rem;
  transition: background-color 0.2s ease;
}

.site-nav__dropdown .site-nav__item:hover > .site-nav__hit,
.site-nav__dropdown .site-nav__item:focus-within > .site-nav__hit {
  background: color-mix(in oklab, var(--foreground) 8%, transparent);
}

.site-nav__dropdown .site-nav__link {
  display: block;
  width: 100%;
  min-width: 0;
  padding: 0.7rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 600;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.site-nav__dropdown .site-nav__caret {
  align-self: center;
  margin-right: 0.55rem;
}

.site-nav__dropdown .site-nav__dropdown {
  top: -0.45rem;
  left: calc(100% + 0.35rem);
  transform: translateX(0.35rem);
}

.site-nav__dropdown .site-nav__item:hover > .site-nav__dropdown,
.site-nav__dropdown .site-nav__item:focus-within > .site-nav__dropdown,
.site-nav__dropdown .site-nav__item.is-open > .site-nav__dropdown {
  transform: translateX(0);
}

.site-nav__dropdown .site-nav__dropdown.is-flip {
  left: auto;
  right: calc(100% + 0.35rem);
}

.site-nav__item[data-nav-depth="0"] > .site-nav__dropdown.is-flip {
  left: auto;
  right: 0;
}

/* Mobile nested navigation */
.mobile-nav {
  margin: 0;
  padding: 0;
  list-style: none;
}

.mobile-nav__item {
  list-style: none;
}

.mobile-nav__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: stretch;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.mobile-nav__link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1rem;
  min-width: 0;
  border: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
  border-radius: 0.5rem;
  background: var(--secondary, #141414);
  padding: 1.15rem 1.25rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--foreground);
  text-decoration: none;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

@media (min-width: 640px) {
  .mobile-nav__link {
    font-size: 1.125rem;
  }
}

.mobile-nav__link:hover,
.mobile-nav__link:focus-visible,
.mobile-nav__link.is-active {
  border-color: var(--primary);
  background: var(--accent, #1a1a1a);
}

.mobile-nav__label {
  min-width: 0;
  overflow-wrap: anywhere;
}

.mobile-nav__arrow,
.mobile-nav__toggle-icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  opacity: 0.65;
}

.mobile-nav__toggle {
  display: inline-flex;
  width: 3.25rem;
  align-items: center;
  justify-content: center;
  border: 1px solid color-mix(in oklab, var(--border) 70%, transparent);
  border-radius: 0.5rem;
  background: var(--secondary, #141414);
  color: var(--foreground);
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease, transform 0.2s ease;
}

.mobile-nav__toggle:hover,
.mobile-nav__toggle:focus-visible,
.mobile-nav__toggle[aria-expanded="true"] {
  border-color: var(--primary);
  background: var(--accent, #1a1a1a);
}

.mobile-nav__toggle[aria-expanded="true"] .mobile-nav__toggle-icon {
  transform: rotate(180deg);
}

.mobile-nav__toggle-icon {
  transition: transform 0.2s ease;
}

.mobile-nav__sub {
  margin: 0 0 0.85rem;
  padding: 0 0 0 0.85rem;
  list-style: none;
  border-left: 1px solid color-mix(in oklab, var(--border) 80%, transparent);
}

.mobile-nav__sub[hidden] {
  display: none;
}

.mobile-nav__item[data-nav-depth="1"] .mobile-nav__link,
.mobile-nav__item[data-nav-depth="2"] .mobile-nav__link {
  padding: 0.95rem 1rem;
  font-size: 0.95rem;
}

.mobile-nav__item[data-nav-depth="2"] .mobile-nav__link {
  font-size: 0.9rem;
  background: color-mix(in oklab, var(--secondary, #141414) 80%, transparent);
}

@media (prefers-reduced-motion: reduce) {
  .site-nav__dropdown,
  .site-nav__underline,
  .site-nav__caret,
  .mobile-nav__toggle-icon,
  .mobile-nav__link,
  .mobile-nav__toggle {
    transition: none;
  }
}