/* ============================================================
   AxisEV — Mega Menu
   megamenu.css
   ============================================================ */

.mega-menu-backdrop {
  position: fixed;
  inset: 0;
  top: calc(var(--promo-height) + var(--nav-height));
  background: hsla(220, 30%, 4%, 0.6);
  backdrop-filter: blur(4px);
  z-index: 105;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base);
}
.mega-menu-backdrop.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.mega-menu {
  position: fixed;
  top: calc(var(--promo-height) + var(--nav-height));
  left: 0;
  right: 0;
  z-index: 106;
  background: hsla(220, 28%, 10%, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-8);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-8px);
  transition: opacity var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
}
.mega-menu.is-open {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.mega-menu__container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-12);
}

.mega-menu__grid {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.mega-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  width: 130px;
  cursor: pointer;
  transition: opacity var(--duration-fast);
}
.mega-item:hover { opacity: 0.85; }

.mega-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.mega-item h3 {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-white);
}

.mega-links {
  display: flex;
  gap: var(--space-4);
}
.mega-links span {
  font-size: 12px;
  color: var(--color-primary);
  font-weight: 500;
  cursor: pointer;
}
.mega-links span:hover { text-decoration: underline; }

.mega-item-icon {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--color-surface);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-display);
  letter-spacing: -1px;
}

.mega-menu__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  min-width: 160px;
  padding-top: var(--space-2);
  border-left: 1px solid var(--color-border);
  padding-left: var(--space-8);
}
.mega-menu__list a {
  font-size: 13px;
  color: var(--color-white-70);
  padding: 5px 0;
  transition: color var(--duration-fast);
}
.mega-menu__list a:hover { color: var(--color-white); }

/* Discover layout */
.mega-menu__grid-col {
  display: flex;
  gap: var(--space-10);
}
.mega-menu__list-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.mega-menu__list-group h3.list-heading {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-white-40);
  margin-bottom: var(--space-1);
}
.mega-menu__list-group a {
  font-size: 13px;
  color: var(--color-white-70);
  padding: 4px 0;
  transition: color var(--duration-fast);
}
.mega-menu__list-group a:hover { color: var(--color-white); }