/* ═══════════════════════════════════════════════
   Candeur Navigation — Header, Dropdowns, Mobile Menu
   ═══════════════════════════════════════════════ */

/* ── Top Bar ── */
.top-bar {
  background: var(--c-navy);
  color: rgba(255,255,255,0.7);
  font-size: 0.8rem;
  height: var(--top-bar-h);
  display: flex;
  align-items: center;
}
.top-bar-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: var(--sp-md);
}
.tb-link {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--t-fast);
}
.tb-link:hover { color: var(--c-gold); }
.tb-link i { font-size: 0.75rem; }

/* Language Switcher */
.lang-switcher {
  display: flex;
  gap: 4px;
}
.lang-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--r-xs);
  color: rgba(255,255,255,0.6);
  font-size: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--t-fast);
}
.lang-btn:hover, .lang-btn.active {
  background: rgba(212,175,55,0.2);
  color: var(--c-gold);
}
.lang-flag { font-size: 0.85rem; }

/* Top Social */
.top-social {
  display: flex;
  gap: 8px;
}
.top-social a {
  color: rgba(255,255,255,0.5);
  font-size: 0.85rem;
  transition: color var(--t-fast);
}
.top-social a:hover { color: var(--c-gold); }

/* ── Main Header ── */
.main-header {
  height: var(--header-h);
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  transition: all var(--t-smooth);
}
.header-transparent {
  background: transparent;
  position: absolute;
  width: 100%;
}
.header-transparent.scrolled {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(20px);
  box-shadow: var(--shadow-sm);
  position: fixed;
}
.header-solid {
  background: var(--c-white);
  box-shadow: var(--shadow-sm);
  position: sticky;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header-logo img {
  height: 48px;
  width: auto;
  transition: var(--t-fast);
}

/* ── Desktop Navigation ── */
.desktop-nav { display: block; }
.nav-menu {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-item {
  position: relative;
}
.nav-item > a {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 14px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--c-navy);
  text-decoration: none;
  border-radius: var(--r-xs);
  transition: all var(--t-fast);
}
.nav-item > a > i { font-size: 0.65rem; transition: transform var(--t-fast); }
.nav-item:hover > a > i { transform: rotate(180deg); }

.header-transparent:not(.scrolled) .nav-item > a {
  color: var(--c-white);
}
.header-transparent:not(.scrolled) .nav-item:hover > a,
.nav-item:hover > a,
.nav-item.active > a {
  color: var(--c-gold);
  background: var(--c-gold-10);
}

/* Dropdown */
.has-dropdown .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 260px;
  background: var(--c-white);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(0,0,0,0.06);
  padding: 8px 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--t-smooth);
  z-index: var(--z-dropdown);
}
.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu li a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  font-size: 0.88rem;
  color: var(--c-text);
  text-decoration: none;
  transition: all var(--t-fast);
  white-space: nowrap;
}
.dropdown-menu li a:hover {
  background: var(--c-gold-10);
  color: var(--c-navy);
}
.dropdown-menu li a i {
  width: 20px;
  text-align: center;
  color: var(--c-gold-dark);
  font-size: 0.85rem;
}
.dropdown-divider {
  height: 1px;
  background: #E5E7EB;
  margin: 6px 12px;
}
.dropdown-header {
  padding: 6px 18px;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--c-text-muted);
  pointer-events: none;
}

/* ── Header Actions ── */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* ── Mobile Toggle ── */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  height: 32px;
  justify-content: center;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  z-index: var(--z-modal);
}
.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--c-navy);
  transition: all var(--t-smooth);
  border-radius: 2px;
}
.header-transparent:not(.scrolled) .mobile-toggle span {
  background: var(--c-white);
}
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ── Mobile Navigation ── */
.mobile-nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: var(--z-overlay);
  backdrop-filter: blur(4px);
}
.mobile-nav-overlay.active { display: block; }

.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  width: min(320px, 85vw);
  height: 100vh;
  background: var(--c-white);
  z-index: var(--z-modal);
  transform: translateX(100%);
  transition: transform var(--t-smooth);
  overflow-y: auto;
  box-shadow: -8px 0 32px rgba(0,0,0,0.2);
}
.mobile-nav.active {
  transform: translateX(0);
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-sm) var(--sp-md);
  border-bottom: 1px solid #E5E7EB;
}
.mobile-nav-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-full);
  background: var(--c-surface);
  color: var(--c-navy);
  font-size: 1.1rem;
}

.mobile-menu { padding: var(--sp-sm) 0; }
.mobile-menu > li > a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px var(--sp-md);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-navy);
  text-decoration: none;
}
.mobile-menu > li > a i:first-child {
  width: 24px;
  text-align: center;
  color: var(--c-gold-dark);
}
.mobile-menu > li > a:hover {
  background: var(--c-gold-10);
}
.submenu-arrow {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--c-text-muted);
  transition: transform var(--t-fast);
}
.has-submenu.open .submenu-arrow {
  transform: rotate(90deg);
}
.submenu {
  max-height: 0;
  overflow: hidden;
  background: var(--c-surface);
  transition: max-height var(--t-smooth);
}
.has-submenu.open .submenu {
  max-height: 500px;
}
.submenu li a {
  display: block;
  padding: 10px var(--sp-md) 10px 52px;
  font-size: 0.88rem;
  color: var(--c-text);
  text-decoration: none;
}
.submenu li a:hover {
  background: var(--c-gold-10);
  color: var(--c-navy);
}
.mobile-nav-divider {
  height: 1px;
  background: #E5E7EB;
  margin: var(--sp-sm) var(--sp-md);
}

.mobile-lang {
  display: flex;
  gap: 8px;
  padding: var(--sp-sm) var(--sp-md);
  border-top: 1px solid #E5E7EB;
  margin-top: var(--sp-sm);
}
.mobile-lang a {
  padding: 6px 12px;
  border-radius: var(--r-xs);
  font-size: 0.85rem;
  color: var(--c-text);
  text-decoration: none;
  border: 1px solid #E5E7EB;
}
.mobile-lang a.active {
  background: var(--c-gold-20);
  border-color: var(--c-gold);
  color: var(--c-navy);
  font-weight: 600;
}

/* ── Flash Container ── */
.flash-container {
  position: fixed;
  top: calc(var(--header-h) + 10px);
  right: 20px;
  z-index: var(--z-toast);
  max-width: 400px;
}

/* ── Mobile Bottom Nav ── */
.mobile-bottom-nav {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--mobile-nav-h);
  background: var(--c-navy);
  border-top: 2px solid var(--c-gold);
  z-index: var(--z-sticky);
  padding-bottom: env(safe-area-inset-bottom, 0);
  box-shadow: 0 -4px 20px rgba(0,0,0,0.4);
}
.mnav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  text-decoration: none;
  font-size: 0.6rem;
  padding: 6px 2px;
  gap: 3px;
  transition: var(--t-fast);
}
.mnav-item i {
  font-size: 1.3rem;
}
.mnav-item span {
  font-size: 0.58rem;
  white-space: nowrap;
}
.mnav-item.active, .mnav-item:hover {
  color: var(--c-gold);
}
.mnav-wa {
  color: #25D366 !important;
}
.mnav-wa i {
  font-size: 1.6rem;
}

/* ── Back to Top ── */
.back-to-top {
  position: fixed;
  bottom: calc(var(--mobile-nav-h) + 20px);
  right: 20px;
  width: 44px;
  height: 44px;
  border-radius: var(--r-full);
  background: var(--c-gold);
  color: var(--c-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--t-smooth);
  z-index: var(--z-sticky);
  box-shadow: var(--shadow-gold);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(212,175,55,0.5);
}

/* ── Responsive ── */
@media (max-width: 1024px) {
  .desktop-nav { display: none !important; }
  .mobile-toggle { display: flex; }
  .header-actions .btn-text { display: none; }
  .top-bar { display: none; }
}
@media (max-width: 768px) {
  .mobile-bottom-nav { display: flex; align-items: center; }
  body { padding-bottom: calc(var(--mobile-nav-h) + env(safe-area-inset-bottom, 0)); }
  .back-to-top { bottom: calc(var(--mobile-nav-h) + 16px); }
  .flash-container { left: 16px; right: 16px; max-width: none; }
}