/* Shared navigation. Links stay in the HTML and also work without JavaScript. */
.site-header {
  --site-nav-surface: #fff;
  --site-nav-ink: #26334d;
  --site-nav-muted: #64748b;
  --site-nav-accent: #3d59dc;
  --site-nav-hover: #eef2ff;
  --site-nav-border: #e2e7f0;
  overflow: visible;
}

.site-header .header-content {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.site-header .header-content .logo {
  order: 0;
  flex: 0 0 auto;
  min-width: 0;
  justify-content: flex-start;
}

.site-header .header-content .logo > a { max-width: 100%; }
.site-header .header-content .site-name { white-space: nowrap; }

.site-header .header-content .header-controls {
  order: 2;
  flex: 0 0 auto;
  min-width: 0;
  overflow: visible;
}

.site-header .header-content .site-navigation {
  display: flex;
  position: relative;
  order: 1;
  flex: 1 1 auto;
  min-width: 0;
  align-items: center;
  justify-content: center;
}

.site-header .site-navigation .site-nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 3px;
  margin: 0;
  padding: 0;
  width: 100%;
  list-style: none;
}

.site-header .site-navigation .site-nav-group {
  position: relative;
  min-width: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header .site-nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  max-width: 100%;
  margin: 0;
  padding: 9px 10px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--site-nav-ink);
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.4;
  text-align: start;
  cursor: pointer;
  transition: background-color .15s ease, color .15s ease;
}

.site-header .site-nav-toggle:hover,
.site-header .site-nav-toggle[aria-expanded="true"] {
  background: var(--site-nav-hover);
  color: var(--site-nav-accent);
}

.site-header .site-nav-chevron {
  display: block;
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-block-start: -3px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  transition: transform .15s ease;
}

.site-header .site-nav-toggle[aria-expanded="true"] .site-nav-chevron {
  margin-block-start: 3px;
  transform: rotate(225deg);
}

.site-header .site-navigation .site-nav-panel {
  display: none;
  position: absolute;
  z-index: 110;
  inset-block-start: 100%;
  inset-inline-start: 0;
  width: 280px;
  max-width: calc(100vw - 40px);
  max-height: 65vh;
  max-height: min(65dvh, 32rem);
  overflow-y: auto;
  overscroll-behavior: contain;
  margin: 0;
  padding: 7px;
  border: 1px solid var(--site-nav-border);
  border-radius: 10px;
  background: var(--site-nav-surface);
  box-shadow: 0 12px 32px #17234a1a;
  list-style: none;
  text-align: start;
}

.site-header .site-nav-group:nth-last-child(-n+2) > .site-nav-panel {
  inset-inline-start: auto;
  inset-inline-end: 0;
}

.site-header .site-navigation .site-nav-panel > li {
  display: block;
  margin: 0;
  padding: 0;
  list-style: none;
}

.site-header .site-navigation .site-nav-panel a {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 42px;
  padding: 10px 12px;
  border-radius: 6px;
  color: var(--site-nav-ink);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.45;
  text-align: start;
  text-decoration: none;
  white-space: normal;
  overflow-wrap: anywhere;
}

.site-header .site-navigation .site-nav-panel a:hover,
.site-header .site-navigation .site-nav-panel a:focus-visible,
.site-header .site-navigation .site-nav-panel a[aria-current="page"] {
  background: var(--site-nav-hover);
  color: var(--site-nav-accent);
}

.site-header .site-nav-badge {
  flex: 0 0 auto;
  margin-inline-start: auto;
  padding: 2px 5px;
  border: 1px solid var(--site-nav-border);
  border-radius: 4px;
  color: var(--site-nav-muted);
  font-size: 10px;
  font-weight: 600;
  line-height: 1.4;
}

.site-header .site-navigation [data-open] > .site-nav-panel,
.site-header .site-navigation:not([data-managed]) .site-nav-group:hover > .site-nav-panel,
.site-header .site-navigation:not([data-managed]) .site-nav-group:focus-within > .site-nav-panel {
  display: block;
}

.site-header :is(.site-nav-toggle, .site-nav-panel a, .language-toggle, .theme-toggle):focus-visible {
  outline: 3px solid #7f9bff;
  outline-offset: 2px;
}

/* The shared header keeps its controls at the right edge in both directions.
   Anchor the menu to that edge instead of RTL inline-end, which opens outward. */
.site-header .header-content .language-dropdown {
  left: auto;
  right: 0;
  max-width: calc(100vw - 32px);
  z-index: 120;
}

/* Keep language links reachable by keyboard and pointer before scripts load. */
.site-header .language-switcher:not([data-language-managed]):hover .language-dropdown,
.site-header .language-switcher:not([data-language-managed]):focus-within .language-dropdown {
  display: block;
}

[data-theme="dark"] .site-header,
html.dark .site-header {
  --site-nav-surface: #16213e;
  --site-nav-ink: #e2e8f0;
  --site-nav-muted: #b2bed1;
  --site-nav-accent: #b3c6ff;
  --site-nav-hover: #293b64;
  --site-nav-border: #3b4a66;
}

[data-theme="dark"] .site-header .language-dropdown,
html.dark .site-header .language-dropdown {
  background: var(--site-nav-surface);
  border-color: var(--site-nav-border);
}

[data-theme="dark"] .site-header .language-dropdown a,
html.dark .site-header .language-dropdown a { color: var(--site-nav-ink); }

[data-theme="dark"] .site-header .language-dropdown a:hover,
html.dark .site-header .language-dropdown a:hover { background: var(--site-nav-hover); }

@media (max-width: 1100px) {
  .site-header .header-content .logo { flex: 1 1 auto; }
  .site-header .header-content .site-navigation {
    order: 3;
    flex: 0 0 100%;
    width: 100%;
    justify-content: center;
  }
  .site-header .header-content .header-controls { order: 2; }
  .site-header .site-navigation .site-nav-group { position: static; }
  .site-header .site-navigation .site-nav-panel {
    inset-inline-start: 0;
    inset-inline-end: auto;
    width: min(360px, 100%);
    max-width: 100%;
  }
  .site-header .site-nav-group:nth-last-child(-n+2) > .site-nav-panel {
    inset-inline-start: auto;
    inset-inline-end: 0;
  }
}

@media (max-width: 768px) {
  .site-header .header-content { padding-block: 12px; gap: 8px 12px; }
  .site-header .header-content .site-navigation .site-nav-list { gap: 2px 3px; }
  .site-header .site-nav-toggle { min-height: 42px; padding: 8px 9px; font-size: 13px; }
  .site-header .site-navigation .site-nav-panel {
    inset-inline-start: 0;
    inset-inline-end: 0;
    width: 100%;
    max-height: 60vh;
    max-height: calc(100dvh - 190px);
  }
}

@media (max-width: 520px) {
  .site-header > .container { padding-inline: 16px; }
  .site-header .header-content .logo > a { gap: 7px; }
  .site-header .header-content .logo img { width: 32px; height: 32px; }
  .site-header .header-content .logo :is(.site-name, h1) { font-size: 18px; }
  .site-header .header-content .header-controls { gap: 6px; }
  .site-header .language-toggle { padding-inline: 7px; gap: 5px; }
  .site-header .language-toggle .language-name {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip-path: inset(50%);
    white-space: nowrap;
    border: 0;
  }
  .site-header .site-nav-toggle { gap: 7px; padding-inline: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .site-header .site-nav-toggle,
  .site-header .site-nav-chevron { transition: none; }
}