/* Liquid-glass feature — scoped (lg- / nav-dropdown / nav-trigger)
   Menus are ALWAYS opaque enough for readable text. Glass is a decorative
   underlay only and must never punch a hole through to page content. */

/* ----- Dropdown shell (solid, readable baseline) ----- */
.nav-item--has-dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
  background: none;
  border: none;
  font: inherit;
  color: inherit;
  border-radius: 999px;
  transition: background 0.25s ease, color 0.25s ease;
}

.nav-trigger:hover,
.nav-trigger:focus-visible {
  background: rgba(10, 22, 40, 0.06);
  outline: none;
}

.nav-trigger:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan, #4ec4e0);
}

.nav-trigger.is-active,
.nav-item--has-dropdown.is-open .nav-trigger {
  background: rgba(78, 196, 224, 0.14);
  color: var(--ink, #0b1c2e);
}

.nav-trigger .nav-chevron {
  width: 0.65rem;
  height: 0.65rem;
  opacity: 0.55;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  flex-shrink: 0;
}

.nav-item--has-dropdown.is-open .nav-chevron {
  transform: rotate(180deg);
}

.nav-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  min-width: 16.5rem;
  max-width: min(20rem, calc(100vw - 2rem));
  padding: 0.4rem;
  margin: 0;
  list-style: none;
  border-radius: 1.125rem;
  z-index: 120;
  /* Opaque surface — never see page text through the menu */
  background: #fafbfc;
  border: 1px solid rgba(11, 28, 46, 0.12);
  box-shadow:
    0 4px 12px rgba(11, 28, 46, 0.05),
    0 18px 40px rgba(11, 28, 46, 0.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  /* Isolate so underlying page cannot composite through */
  isolation: isolate;
  transition:
    opacity 0.2s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.26s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0.2s;
}

.nav-dropdown.is-open,
.nav-item--has-dropdown.is-open .nav-dropdown {
  display: block;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown[hidden] {
  display: none !important;
}

.nav-item--has-dropdown.is-open .nav-dropdown[hidden] {
  display: block !important;
}

/* Menu rows — always fully visible (no opacity:0 stagger that can stick) */
.nav-dropdown-link {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.12rem;
  padding: 0.72rem 0.95rem;
  min-height: 2.75rem;
  border-radius: 0.8rem;
  color: var(--ink, #0b1c2e) !important;
  background: transparent;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: background 0.18s ease, color 0.18s ease;
  position: relative;
  z-index: 2;
  box-sizing: border-box;
  width: 100%;
  opacity: 1 !important;
  transform: none !important;
  text-shadow: none !important;
}

.nav-dropdown-link span {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--muted, #5c6b7a) !important;
  letter-spacing: 0;
  line-height: 1.35;
  opacity: 1 !important;
  text-shadow: none !important;
}

.nav-dropdown-link:hover,
.nav-dropdown-link:focus-visible {
  background: rgba(78, 196, 224, 0.14);
  color: var(--ink, #0b1c2e) !important;
  outline: none;
}

.nav-dropdown-link:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan, #4ec4e0);
}

/* Glass active: keep surface solid for readability.
   Decorative refraction lives on .lg-lens only (behind/around), not as a hole in the panel. */
html.lg-glass-active .nav-dropdown {
  background: #fafbfc !important;
  border-color: rgba(11, 28, 46, 0.12) !important;
  backdrop-filter: none !important;
  -webkit-backdrop-filter: none !important;
  box-shadow:
    0 4px 14px rgba(11, 28, 46, 0.06),
    0 20px 44px rgba(11, 28, 46, 0.12),
    0 0 0 1px rgba(78, 196, 224, 0.12);
}

html.lg-glass-active .nav-dropdown-link,
html.lg-glass-active .nav-dropdown-link span {
  opacity: 1 !important;
  text-shadow: none !important;
  color: inherit;
}

html.lg-glass-active .nav-dropdown-link {
  color: var(--ink, #0b1c2e) !important;
}

html.lg-glass-active .nav-dropdown-link span {
  color: var(--muted, #5c6b7a) !important;
}

html.lg-glass-fallback .nav-dropdown,
html.lg-glass-active.lg-force-opaque .nav-dropdown {
  background: #fafbfc !important;
  border: 1px solid rgba(11, 28, 46, 0.12) !important;
}

/* Lens / scene — never interactive; decorative only */
.lg-lens,
.lg-scene,
.lg-lens-copy,
.lg-lens-rim,
.lg-lens-clip,
.lg-lens-veil,
.lg-scene-source,
.lg-scene-orb,
.lg-scene-field {
  pointer-events: none !important;
  user-select: none !important;
  -webkit-user-select: none !important;
}

.lg-lens {
  border-radius: 1.125rem;
  /* Sit just under the opaque menu (header is 100; menu is 120 in-context).
     Lens remains a soft glow/rim accent, not a content surface. */
  z-index: 99 !important;
  opacity: 0.55;
}

/* Soft ambient glow under solid panel (optional polish) */
html.lg-glass-active .lg-lens {
  filter: none;
}

/* Mobile: solid designed stack */
@media (max-width: 960px) {
  .nav-item--has-dropdown {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
  }

  .nav-trigger {
    justify-content: center;
    font-family: var(--font-display, Georgia, serif);
    font-size: clamp(1.65rem, 6vw, 2rem);
    padding: 0.75rem 1.5rem;
    min-height: 2.75rem;
    border-radius: 0.75rem;
  }

  .nav-dropdown {
    position: static;
    transform: none !important;
    left: auto;
    min-width: 0;
    width: min(19rem, 92%);
    margin: 0.35rem auto 0.9rem;
    box-shadow: 0 8px 28px rgba(11, 28, 46, 0.08);
    border-radius: 1rem;
    background: #fafbfc !important;
    opacity: 1;
  }

  .nav-item--has-dropdown.is-open .nav-dropdown {
    transform: none !important;
    opacity: 1 !important;
    visibility: visible !important;
  }

  .nav-dropdown-link {
    min-height: 2.85rem;
    padding: 0.8rem 1rem;
    opacity: 1 !important;
  }

  .lg-lens {
    display: none !important;
  }

  html.lg-glass-active .nav-dropdown {
    background: #fafbfc !important;
  }
}

@media (prefers-reduced-motion: reduce) {
  .nav-dropdown,
  .nav-dropdown .nav-dropdown-link,
  .nav-trigger .nav-chevron,
  .nav-trigger {
    transition: none !important;
  }
  .nav-dropdown .nav-dropdown-link {
    opacity: 1 !important;
    transform: none !important;
  }
}

@media (prefers-reduced-transparency: reduce) {
  html.lg-glass-active .nav-dropdown,
  .nav-dropdown {
    background: #fafbfc !important;
    border: 1px solid rgba(11, 28, 46, 0.14) !important;
  }
  .lg-lens {
    display: none !important;
  }
}

@media (forced-colors: active) {
  .nav-dropdown {
    border: 1px solid CanvasText;
    background: Canvas;
  }
  .nav-dropdown-link:focus-visible,
  .nav-trigger:focus-visible {
    outline: 2px solid Highlight;
  }
  .lg-lens {
    display: none !important;
  }
}