/**
 * SKSculpts Premium — Collections Mega-Panel & Sub-menu
 * Covers: .sks-collections-nav, .sks-collections-trigger,
 *         .sks-collections-panel, .sks-collections-grid,
 *         .sks-collection-group, desktop submenu (.sk-menu .sub-menu)
 * Depends on: tokens.css
 * Note: The sk-megapanel (header.js-driven mega-panel) is in header.css
 */

/* ============================================================
   COLLECTIONS NAV TRIGGER
   ============================================================ */
.sks-collections-nav {
  position: relative;
  display: flex;
  align-items: center;
}
.sks-collections-trigger {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  font: 600 0.88rem/1 var(--sk-font-ui);
  letter-spacing: 0.055em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 18px 10px;
  cursor: pointer;
}
.sks-collections-chevron { transition: transform 0.2s ease; }
.sks-collections-nav.is-open .sks-collections-chevron { transform: rotate(180deg); }

/* ============================================================
   COLLECTIONS PANEL
   ============================================================ */
.sks-collections-panel {
  position: fixed;
  left: 0; right: 0;
  top: var(--sks-collections-top, 110px);
  z-index: 99998;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: 0.22s ease;
  background: linear-gradient(120deg, #20272a, #33251f 48%, #242b2e);
  border-top: 1px solid rgba(214, 165, 77, 0.24);
  border-bottom: 1px solid rgba(214, 165, 77, 0.24);
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.28);
}
.sks-collections-nav.is-open .sks-collections-panel {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.sks-collections-panel-inner {
  max-width: 1440px;
  margin: auto;
  padding: 28px clamp(20px, 5vw, 72px) 34px;
}
.sks-collections-heading {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 22px;
}
.sks-collections-heading span {
  font: 700 0.72rem/1 var(--sk-font-ui);
  letter-spacing: 0.14em;
  color: #d6a54d;
}
.sks-collections-heading strong {
  font-family: var(--sk-font-display);
  font-size: 2rem;
  color: #fff8ee;
}
.sks-collections-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}
.sks-collection-group { min-width: 0; }
.sks-collection-parent {
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff8ee;
  font-family: var(--sk-font-display);
  font-size: 1.22rem;
  font-weight: 600;
}
.sks-collection-parent img { width: 48px; height: 48px; border-radius: 10px; object-fit: cover; }
.sks-collection-group ul { list-style: none; margin: 10px 0 0; padding: 0; }
.sks-collection-group li a {
  display: block;
  padding: 5px 0;
  color: #d8c9b8;
  font: 500 0.88rem/1.35 var(--sk-font-ui);
}
.sks-collection-group a:hover { color: #e1b461; }

/* ============================================================
   DESKTOP SUB-MENU (wp_nav_menu children)
   ============================================================ */
.sk-menu .menu-item-has-children { position: relative; }
.sk-menu .sub-menu {
  position: absolute;
  left: 0; top: 100%;
  min-width: 260px;
  max-height: 70vh;
  overflow: auto;
  z-index: 99999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: 0.2s ease;
  background: #20272a;
  border: 1px solid rgba(214, 165, 77, 0.25);
  padding: 10px;
  margin: 0;
  list-style: none;
}
.sk-menu .menu-item-has-children:hover > .sub-menu,
.sk-menu .menu-item-has-children:focus-within > .sub-menu,
.sk-menu .menu-item-has-children.sks-submenu-open > .sub-menu {
  opacity: 1;
  visibility: visible;
  transform: none;
}
.sk-menu .sub-menu a { display: block; padding: 10px 12px; white-space: nowrap; }
.sk-menu .sub-menu .sub-menu { left: 100%; top: 0; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 980px) {
  .sks-collections-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

  /* Mobile submenu: accordion instead of dropdown */
  .sk-menu .menu-item-has-children > .sub-menu,
  .sk-menu .sub-menu .sub-menu {
    position: static;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: none;
    min-width: 0;
    background: transparent;
    border: 0;
    padding-left: 14px;
  }
  .sk-menu .menu-item-has-children.sks-submenu-open > .sub-menu { display: block; }
}

@media (max-width: 767px) {
  .sks-collections-nav { width: 100%; display: block; }
  .sks-collections-trigger { width: 100%; justify-content: space-between; padding: 14px 18px; }
  .sks-collections-panel {
    position: static;
    display: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    background: rgba(255, 255, 255, 0.035);
  }
  .sks-collections-nav.is-open .sks-collections-panel { display: block; }
  .sks-collections-panel-inner { padding: 18px; }
  .sks-collections-grid { grid-template-columns: 1fr; }
  .sks-collections-heading strong { font-size: 1.65rem; }
}