[data-site-navigation] {
  --nav-background: #f5f0e8;
  --nav-text: #1a1612;
  --nav-highlight: #73551f;
  --nav-border: #c8b992;
}

header.top[data-site-navigation] {
  --nav-background: var(--bg);
  --nav-text: var(--text);
  --nav-highlight: #e0c38e;
  --nav-border: #796847;
}

[data-site-navigation] .logo {
  overflow: visible;
}

[data-site-navigation] .logo a {
  display: flex;
  align-items: center;
  min-width: 44px;
  min-height: 44px;
}

[data-site-navigation] .navigation-links {
  display: flex;
  align-items: center;
  gap: clamp(0.5rem, 2vw, 2rem);
  margin: 0;
  padding: 0;
  list-style: none;
}

[data-site-navigation] .navigation-links li {
  display: block;
}

[data-site-navigation] .navigation-links a,
[data-site-navigation] .site-nav__back {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem;
  color: var(--nav-text);
  font-size: 0.875rem;
  line-height: 1.5;
  letter-spacing: 0.06em;
  text-decoration: none;
}

[data-site-navigation] .navigation-links a:hover,
[data-site-navigation] .navigation-links a[aria-current="page"] {
  color: var(--nav-highlight);
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

[data-site-navigation] a:focus-visible,
[data-site-navigation] button:focus-visible {
  outline: 3px solid var(--nav-highlight);
  outline-offset: 3px;
  border-radius: 4px;
}

.navigation-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-width: 100px;
  min-height: 48px;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--nav-border);
  border-radius: 6px;
  background: var(--nav-background);
  color: var(--nav-text);
  font: inherit;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  touch-action: manipulation;
}

.navigation-toggle svg {
  flex-shrink: 0;
}

.navigation-toggle[aria-expanded="true"] .navigation-icon-menu,
.navigation-toggle[aria-expanded="false"] .navigation-icon-close {
  display: none;
}

[data-site-navigation] .navigation-links[hidden] {
  display: none;
}

@media (max-width: 900px) {
  [data-site-navigation]:not(.navigation-enhanced) {
    position: sticky;
    top: 0;
  }

  [data-site-navigation],
  header.top[data-site-navigation] {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.75rem;
    padding: 0.65rem max(1rem, env(safe-area-inset-right)) 0.65rem max(1rem, env(safe-area-inset-left));
  }

  [data-site-navigation] .logo,
  [data-site-navigation] .logo img {
    height: 44px;
  }

  [data-site-navigation] .brand,
  [data-site-navigation] .site-nav__brand {
    min-width: 0;
    min-height: 44px;
    gap: 0.5rem;
    font-size: 1rem;
    letter-spacing: normal;
  }

  [data-site-navigation] .brand img,
  [data-site-navigation] .site-nav__brand img {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
  }

  [data-site-navigation] .site-nav__brand span {
    display: inline;
  }

  [data-site-navigation] .navigation-links {
    flex: 1 0 100%;
    flex-wrap: wrap;
    gap: 0.25rem;
  }

  [data-site-navigation].navigation-enhanced .navigation-toggle {
    display: flex;
  }

  [data-site-navigation].navigation-enhanced .navigation-links {
    position: absolute;
    top: 100%;
    right: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    flex-wrap: nowrap;
    gap: 0.25rem;
    max-height: calc(100vh - var(--navigation-height, 80px) - 1rem);
    max-height: calc(100dvh - var(--navigation-height, 80px) - 1rem);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 0.75rem max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
    border-bottom: 1px solid var(--nav-border);
    background: var(--nav-background);
    box-shadow: 0 12px 18px rgba(26, 22, 18, 0.15);
  }

  [data-site-navigation].navigation-enhanced .navigation-links[hidden] {
    display: none;
  }

  [data-site-navigation] .navigation-links a {
    min-height: 48px;
    padding: 0.75rem 1rem;
    border-radius: 4px;
    font-size: 1rem;
  }

  [data-site-navigation] .navigation-links a:hover,
  [data-site-navigation] .navigation-links a[aria-current="page"] {
    background: var(--nav-text);
    color: var(--nav-background);
  }
}