/* ============================================
   Apple-like global navigation
   ============================================ */

.site-navbar-wrap {
  position: sticky;
  top: var(--banner-height, 0);
  z-index: 1030;
}

.site-navbar {
  --nav-surface: rgba(var(--site-theme-primary-rgb, var(--bs-primary-rgb)), 0.88);
  --nav-surface-solid: rgba(var(--site-theme-primary-rgb, var(--bs-primary-rgb)), 0.94);
  --nav-border: rgba(255, 255, 255, 0.08);
  --nav-text: rgba(245, 245, 247, 0.92);
  --nav-muted: rgba(245, 245, 247, 0.72);
  min-height: 48px;
  padding: 0;
  background: var(--nav-surface);
  border-bottom: 1px solid var(--nav-border);
  box-shadow: none;
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.site-navbar.navbar-scrolled {
  background: var(--nav-surface-solid);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
}

.site-navbar-container {
  min-height: 48px;
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-navbar-brand {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  margin-right: 0.5rem;
  color: var(--nav-text);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  text-decoration: none;
  white-space: nowrap;
  opacity: 0.95;
  transition: color 0.18s ease, opacity 0.18s ease;
}

.site-navbar-brand:hover,
.site-navbar-brand:focus {
  color: #fff;
  opacity: 1;
}

.navbar-brand-text {
  line-height: 1;
}

.site-navbar-nav {
  align-items: center;
  justify-content: center;
  gap: 1.65rem;
  margin-inline: auto;
  padding: 0;
}

.site-nav-item {
  position: static;
}

.site-navbar .site-nav-link {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0;
  color: var(--nav-muted);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: -0.005em;
  line-height: 1;
  transition: color 0.18s ease, opacity 0.18s ease;
}

.site-navbar .site-nav-link:hover,
.site-navbar .site-nav-link:focus,
.site-navbar .site-nav-link.show,
.site-navbar .site-nav-link.active {
  color: #fff;
}

.site-navbar .dropdown-toggle::after {
  display: none;
}

.site-navbar-actions {
  align-items: center;
  gap: 0.35rem;
  margin-left: 0.5rem;
}

.site-navbar .navbar-icon-btn,
.navbar-btn-glass {
  width: 34px;
  min-width: 34px;
  height: 34px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--nav-muted) !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  line-height: 1;
  transition: color 0.18s ease, background-color 0.18s ease, transform 0.12s ease;
}

.site-navbar .navbar-icon-btn:hover,
.site-navbar .navbar-icon-btn:focus,
.navbar-btn-glass:hover,
.navbar-btn-glass:focus {
  color: #fff !important;
  background: rgba(255, 255, 255, 0.1);
}

.site-navbar .navbar-icon-btn:active,
.navbar-btn-glass:active {
  transform: scale(0.94);
}

.navbar-btn-glass {
  width: auto;
  min-width: 0;
  height: 34px;
  padding-inline: 0.8rem;
  font-size: 0.75rem;
  font-weight: 500;
}

.site-navbar .navbar-icon-btn,
.site-navbar .navbar-icon-btn:focus,
.site-navbar .navbar-icon-btn:focus-visible,
.site-navbar .navbar-icon-btn:active,
.navbar-btn-glass,
.navbar-btn-glass:focus,
.navbar-btn-glass:focus-visible,
.navbar-btn-glass:active,
.language-switcher__button,
.language-switcher__button:focus,
.language-switcher__button:focus-visible,
.language-switcher__button:active,
.navbar-menu-link,
.navbar-menu-link:focus,
.navbar-menu-link:focus-visible,
.navbar-menu-link:active,
.site-navbar .site-nav-link,
.site-navbar .site-nav-link:focus,
.site-navbar .site-nav-link:focus-visible,
.site-navbar .site-nav-link:active,
.site-navbar .site-nav-link.show {
  outline: none !important;
  box-shadow: none !important;
}

.site-navbar .site-nav-link:focus-visible {
  color: #fff;
  text-decoration: none;
}

/* ---- Global dropdown drawer ---- */
.navbar-menu {
  width: 100%;
  min-width: 0;
  max-width: none;
  padding: 0;
  margin: 0 !important;
  left: 0 !important;
  right: 0 !important;
  top: 100% !important;
  transform: none !important;
  border-radius: 0;
  color: #f5f5f7;
  background: rgba(var(--site-theme-primary-rgb, var(--bs-primary-rgb)), 0.94);
  border: 0 !important;
  border-top: 1px solid rgba(255, 255, 255, 0.06) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06) !important;
  box-shadow: 0 22px 42px rgba(0, 0, 0, 0.28) !important;
  backdrop-filter: saturate(180%) blur(28px);
  -webkit-backdrop-filter: saturate(180%) blur(28px);
}

.navbar-menu-inner {
  max-width: 980px;
  padding-top: 1.75rem;
  padding-bottom: 2.15rem;
}

.navbar-menu-grid {
  display: grid;
  grid-template-columns: minmax(15rem, 1.4fr) repeat(2, minmax(10rem, 1fr));
  gap: 2.35rem;
}

.navbar-menu-column {
  display: grid;
  gap: 0.35rem;
  align-content: start;
}

.navbar-menu-section-label {
  display: block;
  margin-bottom: 0.55rem;
  color: rgba(245, 245, 247, 0.56);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0;
}

.navbar-menu-link {
  min-height: 0;
  padding: 0.34rem 0;
  border-radius: 0;
  color: rgba(245, 245, 247, 0.86);
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  width: fit-content;
  max-width: 100%;
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.018em;
  line-height: 1.25;
  text-decoration: none;
  transition: color 0.16s ease, opacity 0.16s ease;
}

.navbar-menu-link:hover,
.navbar-menu-link:focus,
.navbar-menu-link.active {
  color: #fff;
  background: transparent;
}

.navbar-menu-link-title {
  display: inline-block;
}

.navbar-menu-link.is-emphasized {
  font-weight: 600;
}

.navbar-menu-link.is-emphasized .navbar-menu-link-title {
  color: #fff;
}

.navbar-menu-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.28);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  opacity: 0;
  visibility: hidden;
  z-index: -1;
  transition: opacity 0.2s ease, visibility 0.2s;
}

.site-navbar-wrap.menu-open .navbar-menu-backdrop {
  opacity: 1;
  visibility: visible;
}

/* ---- Language selector ---- */
.language-switcher {
  --language-switcher-text: var(--nav-muted);
  --language-switcher-muted: rgba(245, 245, 247, 0.48);
  --language-switcher-bg: transparent;
  --language-switcher-bg-hover: rgba(255, 255, 255, 0.1);
  --language-switcher-border: transparent;
}

.language-switcher__button {
  min-width: 64px;
  height: 34px;
  padding: 0 0.5rem;
  border: 0;
  border-radius: 999px;
  background: var(--language-switcher-bg);
  color: var(--language-switcher-text);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.32rem;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0;
  line-height: 1;
  transition: background-color 0.18s ease, color 0.18s ease, transform 0.12s ease;
}

.language-switcher__button:hover,
.language-switcher__button:focus-visible,
.language-switcher__button.show {
  background: var(--language-switcher-bg-hover);
  color: #fff;
}

.language-switcher__button:active {
  transform: scale(0.96);
}

.language-switcher__icon {
  font-size: 0.8rem;
  color: var(--language-switcher-muted);
}

.language-switcher__code {
  min-width: 1.3rem;
  text-align: center;
}

.language-switcher__chevron {
  font-size: 0.56rem;
  color: var(--language-switcher-muted);
  transition: transform 0.18s ease;
}

.language-switcher__button.show .language-switcher__chevron {
  transform: rotate(180deg);
}

.language-switcher__menu {
  min-width: 13rem;
  padding: 0.45rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
  background: rgba(var(--bs-body-bg-rgb), 0.96);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18), 0 2px 8px rgba(0, 0, 0, 0.08);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
}

.language-switcher__item {
  min-height: 44px;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.65rem;
  color: var(--bs-body-color);
  font-size: 0.875rem;
}

.language-switcher__item:hover,
.language-switcher__item:focus {
  background: var(--bs-tertiary-bg);
  color: var(--bs-body-color);
}

.language-switcher__item.active,
.language-switcher__item.active:hover,
.language-switcher__item.active:focus {
  background: rgba(var(--bs-primary-rgb), 0.1);
  color: var(--bs-primary);
}

.language-switcher__item-main {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.language-switcher__item-name {
  font-weight: 600;
  line-height: 1.2;
}

.language-switcher__item-code {
  color: var(--bs-secondary-color);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.language-switcher__check {
  width: 1.375rem;
  height: 1.375rem;
  border-radius: 999px;
  background: var(--bs-primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.6875rem;
  flex: 0 0 auto;
}

.offcanvas .language-switcher {
  --language-switcher-text: var(--bs-body-color);
  --language-switcher-muted: var(--bs-secondary-color);
  --language-switcher-bg: var(--bs-body-bg);
  --language-switcher-bg-hover: var(--bs-tertiary-bg);
  --language-switcher-border: var(--bs-border-color);
}

/* ---- Mobile offcanvas ---- */
.mobile-nav-panel {
  --bs-offcanvas-width: min(92vw, 410px);
  border-left: 1px solid var(--bs-border-color-translucent);
  background: rgba(var(--bs-body-bg-rgb), 0.96);
  backdrop-filter: saturate(180%) blur(24px);
  -webkit-backdrop-filter: saturate(180%) blur(24px);
}

#mobileNav.mobile-nav-panel.offcanvas.show:not(.hiding),
#mobileNav.mobile-nav-panel.offcanvas.showing {
  transform: translateX(0) !important;
  translate: 0 !important;
  transition: none !important;
}

.mobile-nav-panel .offcanvas-header {
  min-height: 58px;
  background: rgba(var(--bs-body-bg-rgb), 0.72) !important;
}

.mobile-menu-section-label {
  color: var(--bs-secondary-color);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0;
}

.mobile-menu-accordion {
  --bs-accordion-bg: transparent;
  --bs-accordion-border-width: 0;
  --bs-accordion-btn-focus-box-shadow: none;
}

.offcanvas-menu-item,
.mobile-menu-item {
  transition: background-color 0.15s ease, color 0.15s ease;
}

.mobile-menu-accordion .mobile-menu-icon {
  display: none;
}

.mobile-menu-toggle,
.mobile-menu-item {
  min-height: 56px;
  width: 100%;
  color: var(--bs-body-color);
  background: transparent;
  border-bottom: 1px solid rgba(var(--bs-body-color-rgb), 0.08);
  box-shadow: none;
}

.mobile-menu-toggle:not(.collapsed),
.mobile-menu-item:hover,
.mobile-menu-toggle:hover,
.offcanvas-menu-item:hover {
  color: var(--bs-body-color);
  background: var(--bs-body-tertiary-bg);
}

.mobile-menu-toggle::after {
  flex-shrink: 0;
}

.mobile-menu-item.active,
.mobile-submenu-link.active {
  background: rgba(var(--bs-primary-rgb), 0.08);
  color: var(--bs-primary) !important;
}

.mobile-submenu {
  background: rgba(var(--bs-body-color-rgb), 0.025);
  border-bottom: 1px solid rgba(var(--bs-body-color-rgb), 0.08);
}

.mobile-submenu-link {
  min-height: 46px;
  font-size: 0.95rem;
}

@media (max-width: 991.98px) {
  .site-navbar {
    min-height: 56px;
  }

  .site-navbar-container {
    min-height: 56px;
  }

  .site-navbar-brand {
    margin-right: auto;
    font-size: 0.9rem;
  }

  .site-navbar .navbar-icon-btn {
    width: 40px;
    min-width: 40px;
    height: 40px;
    font-size: 0.95rem;
  }

  .language-switcher__button {
    min-width: 78px;
    height: 40px;
  }
}

@media (max-width: 767.98px) {
  .navbar-menu-grid {
    grid-template-columns: 1fr;
    gap: 1.35rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .site-navbar *,
  .navbar-menu *,
  .mobile-nav-panel *,
  .navbar-menu-backdrop {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}