/* MegaNav — sub-nav drill-down + global search */

.meganav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid rgba(15, 23, 42, 0.08);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

body.dark-mode .meganav {
  background: rgba(15, 23, 42, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.meganav-row {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.6rem 1.25rem;
}

.meganav-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 800;
  font-size: 1.05rem;
  color: #0f172a;
  text-decoration: none;
  letter-spacing: -0.02em;
}
body.dark-mode .meganav-brand { color: #fff; }

.meganav-list {
  display: flex;
  list-style: none;
  margin: 0 0 0 0.5rem;
  padding: 0;
  gap: 0.15rem;
  flex: 1;
}

.meganav-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: transparent;
  border: 0;
  color: #1e293b;
  font: inherit;
  font-size: clamp(0.78rem, 1.2vw, 0.9rem);
  font-weight: 600;
  padding: 0.5rem clamp(0.4rem, 0.9vw, 0.85rem);
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s;
  white-space: nowrap;
}
body.dark-mode .meganav-trigger { color: #e2e8f0; }
.meganav-trigger:hover { background: rgba(15, 23, 42, 0.06); }
body.dark-mode .meganav-trigger:hover { background: rgba(255, 255, 255, 0.08); }

.meganav-list > li.open .meganav-trigger {
  background: rgba(22, 163, 74, 0.12);
  color: #0f766e;
}

.meganav-caret { font-size: 0.65rem; opacity: 0.6; transition: transform 0.15s; }
.meganav-list > li.open .meganav-caret { transform: rotate(180deg); }

.meganav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: auto;
}

.meganav-search-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.7rem;
  background: rgba(15, 23, 42, 0.05);
  border: 1px solid rgba(15, 23, 42, 0.1);
  border-radius: 8px;
  color: #475569;
  font: inherit;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.15s;
}
.meganav-search-btn:hover { background: rgba(15, 23, 42, 0.08); }
.meganav-search-btn span { color: #94a3b8; }
.meganav-search-btn kbd {
  font-family: ui-monospace, "SF Mono", monospace;
  font-size: 0.72rem;
  padding: 0.1rem 0.35rem;
  background: #fff;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  color: #64748b;
}
body.dark-mode .meganav-search-btn { background: rgba(255,255,255,0.05); border-color: rgba(255,255,255,0.1); color: #e2e8f0; }
body.dark-mode .meganav-search-btn kbd { background: #1e293b; border-color: #334155; color: #94a3b8; }

.meganav-cta {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  background: #16a34a;
  color: #fff;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  transition: background 0.15s, transform 0.12s;
}
.meganav-cta:hover { background: #15803d; transform: translateY(-1px); }

/* ── Panel ─────────────────────────────────────────────────────────────── */
.meganav-panel {
  position: absolute;
  left: 0;
  right: 0;
  background: #fff;
  border-bottom: 1px solid rgba(15,23,42,0.08);
  box-shadow: 0 12px 32px rgba(15, 23, 42, 0.1);
  animation: meganav-fade-in 0.16s ease-out;
}
body.dark-mode .meganav-panel { background: #0f172a; border-color: rgba(255,255,255,0.08); }

@keyframes meganav-fade-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.meganav-panel-inner {
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr 280px;
  gap: 1.5rem;
  padding: 1.4rem 1.5rem;
}

.meganav-col h4 {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  margin: 0 0 0.6rem;
}

.meganav-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.1rem; }

.meganav-item {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  padding: 0.55rem 0.7rem;
  border-radius: 7px;
  text-decoration: none;
  color: inherit;
  transition: background 0.12s;
}
.meganav-item:hover { background: rgba(15, 23, 42, 0.04); }
body.dark-mode .meganav-item:hover { background: rgba(255,255,255,0.05); }

.meganav-item > i {
  flex: 0 0 18px;
  margin-top: 0.2rem;
  color: #16a34a;
  font-size: 0.95rem;
}

.meganav-item-label { font-weight: 600; font-size: 0.92rem; color: #0f172a; }
body.dark-mode .meganav-item-label { color: #f1f5f9; }
.meganav-item-desc { font-size: 0.78rem; color: #64748b; margin-top: 0.1rem; }
body.dark-mode .meganav-item-desc { color: #94a3b8; }

.meganav-featured {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.1rem;
  border-radius: 10px;
  color: #fff;
  text-decoration: none;
  min-height: 160px;
}
.meganav-featured h4 { color: #fff; text-transform: none; letter-spacing: 0; font-size: 1.05rem; font-weight: 700; margin-bottom: 0.4rem; }
.meganav-featured p { color: rgba(255,255,255,0.92); font-size: 0.85rem; line-height: 1.5; margin: 0 0 0.75rem; }
.meganav-featured-cta { font-weight: 700; font-size: 0.9rem; }

/* ── Search ────────────────────────────────────────────────────────────── */
.meganav-search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
  display: flex;
  justify-content: center;
  padding-top: 12vh;
  animation: meganav-fade-in 0.16s ease-out;
}

.meganav-search-modal {
  width: 100%;
  max-width: 640px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
  overflow: hidden;
}
body.dark-mode .meganav-search-modal { background: #0f172a; }

.meganav-search-input-row {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(15,23,42,0.08);
}
body.dark-mode .meganav-search-input-row { border-color: rgba(255,255,255,0.08); }

.meganav-search-input-row > i { color: #94a3b8; font-size: 1rem; }

.meganav-search-input-row input {
  flex: 1;
  border: none;
  outline: none;
  font: inherit;
  font-size: 1rem;
  background: transparent;
  color: #0f172a;
}
body.dark-mode .meganav-search-input-row input { color: #f1f5f9; }

.meganav-search-input-row kbd {
  font-family: ui-monospace, "SF Mono", monospace;
  font-size: 0.7rem;
  padding: 0.15rem 0.4rem;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  color: #64748b;
}

.meganav-search-results { list-style: none; margin: 0; padding: 0.4rem; max-height: 60vh; overflow-y: auto; }
.meganav-search-results li {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
}
.meganav-search-results li.active { background: rgba(22, 163, 74, 0.12); }
body.dark-mode .meganav-search-results li.active { background: rgba(22, 163, 74, 0.25); }
.meganav-search-type { font-size: 0.65rem; font-weight: 700; text-transform: uppercase; color: #94a3b8; letter-spacing: 0.06em; }
.meganav-search-label { font-weight: 600; color: #0f172a; }
body.dark-mode .meganav-search-label { color: #f1f5f9; }
.meganav-search-desc { color: #64748b; font-size: 0.8rem; grid-column: 2; }
.meganav-search-group { font-size: 0.72rem; color: #94a3b8; grid-row: 1; grid-column: 3; }

.meganav-search-empty { padding: 2rem; text-align: center; color: #64748b; }
.meganav-search-hints { display: flex; gap: 1rem; padding: 0.6rem 1rem; font-size: 0.78rem; color: #64748b; border-top: 1px solid rgba(15,23,42,0.06); }
.meganav-search-hints kbd {
  font-family: ui-monospace, "SF Mono", monospace;
  font-size: 0.7rem;
  padding: 0.1rem 0.35rem;
  background: #f1f5f9;
  border: 1px solid #cbd5e1;
  border-radius: 4px;
  margin-right: 0.3rem;
}

/* ── Icon button (theme toggle, hamburger) ──────────────────────────────── */
.meganav-icon-btn {
  width: 36px;
  height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--line, rgba(15,23,42,0.1));
  border-radius: 8px;
  color: #475569;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.meganav-icon-btn:hover { background: rgba(15,23,42,0.05); color: #0f172a; }
body.dark-mode .meganav-icon-btn { border-color: rgba(255,255,255,0.1); color: #cbd5e1; }
body.dark-mode .meganav-icon-btn:hover { background: rgba(255,255,255,0.06); color: #fff; }

.meganav-hamburger { display: none; }

/* ── Mobile drawer ──────────────────────────────────────────────────────── */
.meganav-mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.55);
  backdrop-filter: blur(4px);
  z-index: 150;
  display: flex;
  justify-content: flex-end;
  animation: meganav-fade-in 0.18s ease-out;
}
.meganav-mobile {
  width: 100%;
  max-width: 380px;
  height: 100%;
  background: #fff;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  animation: meganav-slide-in 0.24s ease-out;
}
body.dark-mode .meganav-mobile { background: #0f172a; }
@keyframes meganav-slide-in {
  from { transform: translateX(40px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.meganav-mobile-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.85rem 1rem;
  border-bottom: 1px solid rgba(15,23,42,0.08);
}
body.dark-mode .meganav-mobile-head { border-bottom-color: rgba(255,255,255,0.08); }
.meganav-mobile-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 800;
  font-size: 1.1rem;
  text-decoration: none;
  color: #0f172a;
}
body.dark-mode .meganav-mobile-brand { color: #fff; }

.meganav-mobile-search {
  margin: 0.85rem;
  padding: 0.75rem 1rem;
  background: rgba(15,23,42,0.05);
  border: 1px solid rgba(15,23,42,0.1);
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.92rem;
  color: #475569;
  cursor: pointer;
  text-align: left;
}
body.dark-mode .meganav-mobile-search {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
  color: #cbd5e1;
}

.meganav-mobile-groups { padding: 0 0.5rem; flex: 1; }

.meganav-mobile-group {
  border-radius: 10px;
  margin-bottom: 0.25rem;
  overflow: hidden;
}
.meganav-mobile-group-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 0.85rem;
  background: transparent;
  border: 0;
  font: inherit;
  font-size: 1rem;
  font-weight: 700;
  color: #0f172a;
  cursor: pointer;
  text-align: left;
}
body.dark-mode .meganav-mobile-group-trigger { color: #f1f5f9; }
.meganav-mobile-group-trigger > i:first-child { color: #16a34a; flex: 0 0 18px; }
.meganav-mobile-group-trigger > span { flex: 1; }
.meganav-mobile-caret { font-size: 0.78rem; color: #94a3b8; transition: transform 0.15s; }

.meganav-mobile-group.expanded {
  background: rgba(15,23,42,0.03);
}
body.dark-mode .meganav-mobile-group.expanded { background: rgba(255,255,255,0.03); }

.meganav-mobile-group-body { padding: 0.25rem 0.85rem 0.85rem; }
.meganav-mobile-group-body h5 {
  font-size: 0.66rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  margin: 0.6rem 0 0.4rem;
}

.meganav-mobile-item {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  padding: 0.55rem 0.5rem;
  border-radius: 6px;
  text-decoration: none;
  color: inherit;
}
.meganav-mobile-item:hover { background: rgba(15,23,42,0.05); }
body.dark-mode .meganav-mobile-item:hover { background: rgba(255,255,255,0.05); }
.meganav-mobile-item > i { color: #16a34a; flex: 0 0 18px; margin-top: 0.2rem; }
.meganav-mobile-item-label { font-weight: 600; font-size: 0.92rem; color: #0f172a; }
body.dark-mode .meganav-mobile-item-label { color: #f1f5f9; }
.meganav-mobile-item-desc { font-size: 0.75rem; color: #64748b; }

.meganav-mobile-featured {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.85rem;
  padding: 0.85rem 1rem;
  border-radius: 8px;
  color: #fff;
  text-decoration: none;
  font-size: 0.9rem;
}
.meganav-mobile-featured strong { font-size: 0.95rem; }
.meganav-mobile-featured span { opacity: 0.95; font-weight: 700; }

.meganav-mobile-foot {
  border-top: 1px solid rgba(15,23,42,0.08);
  padding: 0.85rem;
  display: flex;
  gap: 0.5rem;
}
body.dark-mode .meganav-mobile-foot { border-top-color: rgba(255,255,255,0.08); }
.meganav-mobile-theme {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: rgba(15,23,42,0.05);
  border: 1px solid rgba(15,23,42,0.1);
  border-radius: 8px;
  padding: 0.6rem;
  font: inherit;
  font-size: 0.88rem;
  color: #1e293b;
  cursor: pointer;
}
body.dark-mode .meganav-mobile-theme {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.1);
  color: #f1f5f9;
}
.meganav-mobile-cta {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #16a34a;
  color: #fff;
  border-radius: 8px;
  padding: 0.6rem;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none;
}

/* ── Responsive breakpoints ─────────────────────────────────────────────── */

/* Compact desktop (1100–1280px): keep nav visible but collapse labels → FA icons only */
@media (max-width: 1280px) {
  .meganav-search-btn kbd { display: none; }
}

@media (max-width: 1100px) {
  .meganav-trigger-label { display: none; }
  .meganav-trigger { padding: 0.5rem 0.6rem; gap: 0; }
  .meganav-caret { display: none; }
  .meganav-search-btn span,
  .meganav-search-btn kbd { display: none; }
  .meganav-search-btn { padding: 0.45rem 0.6rem; min-width: 36px; justify-content: center; }
  .meganav-actions .meganav-cta { display: none; }
  .meganav-row { gap: 0.5rem; }
  .meganav-list { gap: 0; }
}

/* Mobile (<= 900px): full hamburger */
@media (max-width: 900px) {
  .meganav-list { display: none; }
  .meganav-hamburger { display: inline-flex; }
  .meganav-panel-inner { grid-template-columns: 1fr; gap: 1rem; }
}

@media (min-width: 901px) {
  .meganav-mobile-overlay { display: none; }
}