/* ================================================================
   MEGA DROPDOWN NAVIGATION
   ================================================================ */

/* ── Nav item with dropdown ──────────────────────────────────── */
.nav-item {
  position: relative;
}

.nav-item > a {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-item > a .arrow {
  font-size: 10px;
  transition: transform var(--t-fast);
}

.nav-item:hover > a .arrow {
  transform: rotate(180deg);
}

/* ── Dropdown / Mega menu ────────────────────────────────────── */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: rgba(10, 10, 25, 0.96);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(0, 229, 200, 0.12);
  border-radius: 12px;
  padding: 20px 0;
  min-width: 200px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--t-base), transform var(--t-base), visibility var(--t-base);
  z-index: 1200;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: translateX(-50%) translateY(4px);
}

.nav-dropdown a {
  display: block;
  padding: 8px 24px;
  font-size: 13px;
  color: var(--clr-text);
  white-space: nowrap;
  transition: color var(--t-fast), background var(--t-fast);
}

.nav-dropdown a:hover {
  color: var(--clr-accent);
  background: rgba(0, 229, 200, 0.05);
}

.nav-dropdown .dropdown-label {
  display: block;
  padding: 4px 24px 8px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--clr-accent);
  opacity: 0.6;
  cursor: default;
  pointer-events: none;
}

/* ── Mega menu (wide columns) ───────────────────────────────── */
.nav-dropdown.mega {
  display: flex;
  gap: 0;
  padding: 24px 0;
  min-width: 520px;
}

.nav-dropdown.mega .mega-col {
  flex: 1;
  min-width: 160px;
  border-right: 1px solid rgba(0, 229, 200, 0.06);
}

.nav-dropdown.mega .mega-col:last-child {
  border-right: none;
}

/* ── Mobile dropdown support ─────────────────────────────────── */
.mobile-overlay .nav-item {
  width: 100%;
  text-align: center;
}

.mobile-overlay .nav-item > a {
  justify-content: center;
}

.mobile-overlay .nav-dropdown {
  position: static;
  background: transparent;
  border: none;
  box-shadow: none;
  padding: 8px 0 0;
  opacity: 1;
  visibility: visible;
  pointer-events: all;
  transform: none;
  display: none;
  min-width: auto;
}

.mobile-overlay .nav-dropdown.open {
  display: block;
}

.mobile-overlay .nav-dropdown a {
  font-size: 16px;
  padding: 6px 24px;
  color: var(--clr-text);
  font-family: var(--ff-body);
  font-weight: 400;
}

.mobile-overlay .nav-dropdown .dropdown-label {
  text-align: center;
  font-size: 10px;
}