/* Mega-menu catalog: desktop flyout + mobile drawer */

.site-header__catalog-btn {
  gap: 0.4rem;
}

.site-header__catalog-icon {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
}

.mega-menu {
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  z-index: 1;
  padding: 0 clamp(0.75rem, 2vw, 1.25rem) var(--sp-4);
  pointer-events: none;
}

.mega-menu::before {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  top: -0.75rem;
  height: 0.75rem;
}

.mega-menu:not([hidden]) {
  pointer-events: auto;
}

.mega-menu__dialog {
  display: flex;
  flex-direction: column;
  max-width: var(--container-wide);
  margin-inline: auto;
  max-height: min(70vh, 36rem);
  max-height: min(70dvh, 36rem);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-lift);
}

.mega-menu__top {
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
  padding: calc(var(--sp-3) + env(safe-area-inset-top, 0px)) var(--sp-4) var(--sp-3);
  border-bottom: 1px solid var(--color-border);
}

.mega-menu__title {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: 650;
  color: var(--color-ink);
}

.mega-menu__close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--touch);
  height: var(--touch);
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-ink);
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  -webkit-tap-highlight-color: transparent;
}

.mega-menu__close svg {
  width: 1.25rem;
  height: 1.25rem;
}

.mega-menu__tabs {
  display: flex;
  gap: var(--sp-1);
  padding: var(--sp-3) var(--sp-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.mega-menu__tab {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 2.75rem;
  margin: 0 0 -1px;
  padding: 0.5rem 0.85rem;
  border: 0;
  border-bottom: 2px solid transparent;
  background: transparent;
  color: var(--color-muted);
  font-family: inherit;
  font-size: var(--text-sm);
  font-weight: 600;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  -webkit-tap-highlight-color: transparent;
  transition: color var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.mega-menu__tab svg {
  width: 1rem;
  height: 1rem;
}

.mega-menu__tab.is-active {
  color: var(--color-coral-deep);
  border-bottom-color: var(--color-coral);
}

.mega-menu__body {
  display: flex;
  min-height: 0;
  flex: 1;
}

.mega-menu__panel {
  display: none;
  flex: 1;
  min-height: 0;
  min-width: 0;
}

.mega-menu__panel.is-active {
  display: flex;
}

.mega-menu__panel[data-mega-panel="category"].is-active {
  position: relative;
  --mega-rail-w: 17.5rem;
}

.mega-menu__tree {
  flex: 0 0 var(--mega-rail-w);
  width: var(--mega-rail-w);
  max-width: var(--mega-rail-w);
  min-height: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  border-right: 1px solid var(--color-border);
  background: var(--color-surface-soft);
  z-index: 1;
}

.mega-menu__branch {
  display: block;
}

.mega-menu__sidebar {
  flex: 0 0 min(17.5rem, 34%);
  max-width: 19rem;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  border-right: 1px solid var(--color-border);
  background: var(--color-surface-soft);
}

.mega-menu__sidebar--letters {
  flex-basis: 4.5rem;
  max-width: 4.5rem;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: var(--sp-2) 0;
}

.mega-menu__cat,
.mega-menu__letter {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  min-height: 3rem;
  margin: 0;
  padding: 0.65rem 0.9rem;
  border: 0;
  border-left: 3px solid transparent;
  background: transparent;
  color: var(--color-ink);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  -webkit-tap-highlight-color: transparent;
  transition:
    background var(--dur-fast) var(--ease-out),
    border-color var(--dur-fast) var(--ease-out),
    color var(--dur-fast) var(--ease-out);
}

.mega-menu__cat.is-active,
.mega-menu__letter.is-active {
  background: var(--color-surface);
  border-left-color: var(--color-coral);
  color: var(--color-ink);
  font-weight: 650;
}

.mega-menu__cat:hover,
.mega-menu__letter:hover {
  background: rgba(255, 255, 255, 0.7);
}

.mega-menu__cat-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  flex-shrink: 0;
  color: var(--color-charcoal);
}

.mega-menu__cat-icon img {
  width: 1.35rem;
  height: 1.35rem;
  object-fit: contain;
}

.mega-menu__cat-name {
  flex: 1;
  min-width: 0;
  line-height: 1.3;
}

.mega-menu__cat-chevron {
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  color: var(--color-muted);
  transition: transform var(--dur-fast) var(--ease-out);
}

.mega-menu__letter {
  justify-content: center;
  min-height: 2.5rem;
  padding-inline: 0.35rem;
  font-weight: 650;
}

.mega-menu__content {
  position: relative;
  flex: 1;
  min-width: 0;
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: var(--sp-4) var(--sp-5) var(--sp-4);
  background: var(--color-surface);
}

.mega-menu__subs {
  display: none;
  padding: var(--sp-4) var(--sp-5) var(--sp-4);
  background: var(--color-surface);
  overflow-x: hidden;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.mega-menu__subs-inner {
  min-height: 0;
}

.mega-menu__subs.is-active {
  display: block;
}

/* Desktop / tablet: subcategory flyout beside the rail */
@media (min-width: 769px) {
  .mega-menu__panel[data-mega-panel="category"] .mega-menu__subs.is-active {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: var(--mega-rail-w);
    display: block;
  }
}

.mega-menu__cols {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: 0.15rem 1.5rem;
  align-content: start;
}

.mega-menu__link {
  display: block;
  padding: 0.45rem 0;
  color: var(--color-ink);
  font-size: 0.9375rem;
  line-height: 1.35;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.mega-menu__link:hover {
  color: var(--color-coral-deep);
}

.mega-menu__link--all {
  font-weight: 600;
}

.mega-menu__letter-heading {
  margin: 0 0 var(--sp-3);
  color: var(--color-muted);
  font-size: var(--text-sm);
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.mega-menu__footer-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: var(--sp-5);
  color: var(--color-coral-deep);
  font-size: var(--text-sm);
  font-weight: 650;
  text-decoration: none;
}

.mega-menu__footer-link svg {
  width: 1rem;
  height: 1rem;
}

.mega-menu__empty {
  margin: auto;
  padding: var(--sp-8);
  color: var(--color-muted);
  text-align: center;
}

.mega-menu__backdrop {
  position: fixed;
  inset: 0;
  z-index: calc(var(--z-header) - 1);
  background: rgba(26, 25, 23, 0.34);
  -webkit-backdrop-filter: blur(3px);
  backdrop-filter: blur(3px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.45s cubic-bezier(0.23, 1, 0.32, 1),
    visibility 0.45s cubic-bezier(0.23, 1, 0.32, 1);
}

body.is-mega-open {
  overflow: hidden;
  overscroll-behavior: none;
}

body.is-mega-open .mega-menu__backdrop {
  opacity: 1;
  visibility: visible;
}

/* Desktop: no scroll lock / no dim backdrop on hover */
@media (hover: hover) and (pointer: fine) and (min-width: 769px) {
  body.is-mega-open {
    overflow: visible;
    overscroll-behavior: auto;
  }

  .mega-menu__backdrop {
    display: none;
  }
}

/* Tablet */
@media (max-width: 1024px) {
  .mega-menu__cols {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.1rem 1.1rem;
  }

  .mega-menu__panel[data-mega-panel="category"].is-active {
    --mega-rail-w: 15rem;
  }

  .mega-menu__sidebar {
    flex-basis: min(15rem, 38%);
  }

  .mega-menu__dialog {
    max-height: min(72vh, 34rem);
    max-height: min(72dvh, 34rem);
  }
}