/* =============================================================================
   DESKTOP OVERLAY NAVIGATION BAR
   ============================================================================= */

.desktop-overlay-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 65px;
  background: rgba(10, 10, 10, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 215, 0, 0.12);
  z-index: 11000;
  display: flex;
  justify-content: center;
  align-items: center;

  /* Initial Hidden State */
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-100%) translateZ(0);

  /* Smooth Transition (Consistent across all states) */
  transition: opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    visibility 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.4s cubic-bezier(0.22, 1, 0.36, 1),
    backdrop-filter 0.4s cubic-bezier(0.22, 1, 0.36, 1);

  will-change: opacity, transform, visibility;
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

/* Base Nav Items */
.desktop-nav-content {
  display: flex;
  align-items: center;
  gap: 15px;
  height: 100%;
}

.nav-item {
  position: relative;
  height: 100%;
  display: flex;
  align-items: center;
}

.nav-link {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 0 25px;
  height: 100%;
  display: flex;
  align-items: center;
  transition: all 0.3s ease;
  position: relative;
}

.nav-link:hover {
  color: var(--color-gold);
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.4);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--color-gold);
  transition: all 0.3s ease;
  transform: translateX(-50%);
  box-shadow: 0 0 10px var(--color-gold);
}

.nav-link:hover::after {
  width: 100%;
}

/* Dropdown Styles */
.nav-item.dropdown:hover .dropdown-menu:not(:empty) {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Bulletproof hidden if it has no links (handles whitespace/comments better than :empty) */
.dropdown-menu:not(:has(.dropdown-link)) {
  display: none !important;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 200px;
  background: rgba(15, 15, 15, 0.95);
  backdrop-filter: blur(15px);
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: 0 0 15px 15px;
  padding: 12px 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  box-shadow: 0 15px 45px rgba(0, 0, 0, 0.6);
  z-index: 100;
}

.dropdown-link {
  display: block;
  padding: 12px 25px;
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.dropdown-link:hover {
  background: rgba(255, 215, 0, 0.1);
  color: var(--color-gold);
  padding-left: 32px;
}

/* Visilibity Modifiers */
@media (min-width: 1025px) {
  body.overlay-open .desktop-overlay-nav {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0);
  }

  /* Hide mobile hamburger when top nav is active */
  body.overlay-open .overlay-nav-toggle {
    display: none !important;
  }

  /* ── Offset overlay content to sit below the 65px nav bar ── */

  /* Overlays that self-scroll: add 65px on top (60px original + 65px nav) */
  body.overlay-open .overlay-panel {
    padding-top: calc(60px + 65px);
  }

  .overlay-panel {
    transition: padding-top 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  }

  /* Designs inner scroll container has its own padding-top */
  body.overlay-open .product-detail-scroll {
    padding-top: calc(60px + 65px);
  }

  .product-detail-scroll {
    transition: padding-top 0.4s cubic-bezier(0.22, 1, 0.36, 1);
  }


  /* When nav bar stays visible (no .desktop-nav-hidden class) */
  body:not(.desktop-nav-hidden) .overlay-panel,
  body:not(.desktop-nav-hidden) .product-detail-scroll {
    /* No delay when showing to make it feel immediate */
    transition-delay: 0.2s;
  }

  body:not(.desktop-nav-hidden) .close-overlay,
  body:not(.desktop-nav-hidden) .back-button,
  body:not(.desktop-nav-hidden) .overlay-nav-toggle {
    --nav-offset: 65px;
  }

  /* When nav bar is hidden, move everything up */
  body.desktop-nav-hidden .desktop-overlay-nav {
    transform: translateY(-100%);
  }

  body.desktop-nav-hidden .close-overlay,
  body.desktop-nav-hidden .back-button,
  body.desktop-nav-hidden .overlay-nav-toggle {
    --nav-offset: 0px;
  }

  /* Keep padding fixed to avoid layout shifts/stutter */
  body.desktop-nav-hidden .overlay-panel,
  body.desktop-nav-hidden .product-detail-scroll {
    padding-top: calc(60px + 65px);
  }
}

/* Active Highlight */
.nav-link.active {
  color: var(--color-gold);
}

.nav-link.active::after {
  width: 100%;
}