/* ============================================================
   HEADER — Sticky Navigation
   ============================================================ */

/* --- Announcement Bar --- */
.site-announcement {
  background: var(--navy-dark);
  color: rgba(255,255,255,0.85);
  font-size: 0.78rem;
  padding: 0.45rem 0;
  letter-spacing: 0.03em;
  overflow: hidden;
  border-bottom: 1px solid rgba(201,168,76,0.2);
}
.announcement-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.announcement-text { flex: 1; text-align: center; }
.announcement-text a { color: var(--gold); font-weight: 600; }
.announcement-links {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  white-space: nowrap;
}
.announcement-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.75rem;
  transition: color var(--t-fast);
}
.announcement-links a:hover { color: var(--gold-light); }

@media (max-width: 768px) {
  .announcement-links { display: none; }
}

/* --- Main Header --- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(250,250,250,0.97);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--gray-200);
  transition: box-shadow var(--t);
}
.site-header.scrolled {
  box-shadow: var(--shadow-lg);
  border-bottom-color: transparent;
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 1.5rem;
}

/* --- Logo --- */
.site-logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}
.site-logo img, .site-logo svg {
  height: 52px;
  width: auto;
}
.site-logo:hover { opacity: 0.85; }

/* --- Search Bar --- */
.nav-search {
  flex: 1;
  max-width: 500px;
  position: relative;
}
.search-form {
  display: flex;
  align-items: center;
  background: var(--gray-100);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--r-full);
  overflow: hidden;
  transition: all var(--t-fast);
}
.search-form:focus-within {
  background: var(--white);
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.15);
}
.search-input {
  flex: 1;
  padding: 0.65rem 1.1rem;
  background: transparent;
  border: none;
  outline: none;
  font-size: 0.88rem;
  color: var(--dark);
}
.search-input::placeholder { color: var(--gray-400); }
.search-btn {
  padding: 0.65rem 1.1rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-500);
  font-size: 1rem;
  display: flex;
  align-items: center;
  transition: color var(--t-fast);
}
.search-btn:hover { color: var(--gold); }

/* Search dropdown */
.search-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 0; right: 0;
  background: var(--white);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
  z-index: var(--z-dropdown);
  overflow: hidden;
  display: none;
}
.search-dropdown.active { display: block; }
.search-result-item {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 0.75rem 1rem;
  cursor: pointer;
  transition: background var(--t-fast);
  border-bottom: 1px solid var(--gray-100);
}
.search-result-item:last-child { border-bottom: none; }
.search-result-item:hover { background: var(--gray-50); }
.search-result-img {
  width: 44px; height: 56px;
  border-radius: var(--r-sm);
  object-fit: cover;
  flex-shrink: 0;
}
.search-result-info { flex: 1; min-width: 0; }
.search-result-name {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.search-result-price { font-size: 0.8rem; color: var(--gold); font-weight: 700; }
.search-no-results {
  padding: 2rem;
  text-align: center;
  color: var(--gray-400);
  font-size: 0.875rem;
}

/* --- Nav Right --- */
.nav-right {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  flex-shrink: 0;
}

/* Categories dropdown */
.categories-trigger {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1rem;
  border-radius: var(--r-full);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
  background: none;
  border: none;
  cursor: pointer;
  transition: all var(--t-fast);
  white-space: nowrap;
}
.categories-trigger:hover { background: var(--gray-100); color: var(--gold); }
.categories-trigger i { font-size: 0.7rem; transition: transform var(--t-fast); }
.categories-trigger.open i { transform: rotate(180deg); }

.categories-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--gray-200);
  z-index: var(--z-dropdown);
  min-width: 560px;
  padding: 1.5rem;
  display: none;
}
.categories-dropdown.open { display: block; animation: dropIn 0.2s ease; }
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}
.cat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 0.5rem;
  border-radius: var(--r);
  cursor: pointer;
  transition: all var(--t-fast);
  text-align: center;
  text-decoration: none;
  color: var(--dark);
}
.cat-card:hover { background: var(--gold-pale); color: var(--gold); }
.cat-card-icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gray-100);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  transition: all var(--t-fast);
}
.cat-card:hover .cat-card-icon { background: var(--gold); color: var(--black); }
.cat-card-name { font-size: 0.78rem; font-weight: 600; }

/* Nav icon buttons */
.nav-icon-btn {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.15rem;
  padding: 0.5rem 0.75rem;
  border-radius: var(--r);
  color: var(--dark);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-align: center;
  transition: all var(--t-fast);
  cursor: pointer;
  text-decoration: none;
}
.nav-icon-btn:hover { color: var(--gold); background: var(--gray-100); }
.nav-icon-btn i { font-size: 1.25rem; }
.nav-badge {
  position: absolute;
  top: 0.2rem;
  right: 0.35rem;
  min-width: 18px;
  height: 18px;
  padding: 0 0.3rem;
  background: var(--gold);
  color: var(--black);
  font-size: 0.65rem;
  font-weight: 800;
  border-radius: var(--r-full);
  display: flex; align-items: center; justify-content: center;
  line-height: 1;
  transform: scale(0);
  transition: transform var(--t-fast);
}
.nav-badge.show { transform: scale(1); }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  cursor: pointer;
  background: none; border: none;
}
.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--dark);
  border-radius: var(--r-full);
  transition: all var(--t);
}
.nav-hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* --- Mobile Menu --- */
.mobile-nav {
  position: fixed;
  top: 0; right: 0;
  width: 320px;
  height: 100vh;
  background: var(--white);
  z-index: var(--z-modal);
  padding: 5rem 2rem 2rem;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--t-slow);
  box-shadow: var(--shadow-xl);
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: calc(var(--z-modal) - 1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--t);
}
.mobile-nav-overlay.open { opacity: 1; visibility: visible; }
.mobile-nav-close {
  position: absolute;
  top: 1.25rem; right: 1.25rem;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--gray-100);
  border: none; cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
  color: var(--dark);
  transition: all var(--t-fast);
}
.mobile-nav-close:hover { background: var(--gold); color: var(--black); }

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--gray-200);
  margin-top: 1rem;
}
.mobile-nav-link {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--gray-100);
  color: var(--dark);
  font-weight: 600;
  font-size: 1rem;
  transition: color var(--t-fast);
}
.mobile-nav-link i { color: var(--gold); font-size: 1.1rem; width: 20px; }
.mobile-nav-link:hover { color: var(--gold); }
.mobile-cat-section { margin-top: 1.5rem; }
.mobile-cat-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gold);
  margin-bottom: 0.75rem;
}
.mobile-cat-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.mobile-cat-chip {
  padding: 0.4rem 0.875rem;
  border: 1.5px solid var(--gray-300);
  border-radius: var(--r-full);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  transition: all var(--t-fast);
  text-decoration: none;
}
.mobile-cat-chip:hover { border-color: var(--gold); color: var(--gold); background: var(--gold-pale); }

.categories-parent { position: relative; }

@keyframes dropIn {
  from { opacity: 0; transform: translateX(-50%) translateY(-8px); }
  to { opacity: 1; transform: translateX(-50%) translateY(0); }
}

@media (max-width: 1100px) {
  .nav-icon-btn span { display: none; }
  .nav-icon-btn { padding: 0.5rem; }
  .categories-trigger span { display: none; }
}

@media (max-width: 900px) {
  .nav-search { max-width: 260px; }
}

@media (max-width: 768px) {
  .nav-hamburger { display: flex; }
  .nav-search { display: none; }
  .categories-parent { display: none; }
  .nav-icon-btn span { display: none; }
  .nav-icon-btn { padding: 0.5rem; }
}

@media (max-width: 480px) {
  .nav-icon-btn.nav-account { display: none; }
}