/* ===== Loft Line — Premium Header ===== */

/* Announcement Bar */
.announcement-bar {
  position: relative;
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
  text-align: center;
  font-size: 12px;
  font-weight: 400;
  padding: 10px 40px;
  z-index: 200;
  letter-spacing: 1px;
}

.announcement-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.announcement-divider { opacity: 0.3; }

/* Site Header */
.site-header {
  position: absolute;
  left: 0;
  width: 100%;
  z-index: 100;
  color: var(--color-white);
  transition: background 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  padding: 0 clamp(16px, 4vw, 56px);
  max-width: var(--container-max);
  margin: 0 auto;
}

/* Logo */
.site-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  line-height: 1;
  text-decoration: none;
  transition: opacity var(--duration) var(--ease);
}

.site-logo:hover { opacity: 0.8; }

.logo-text {
  font-family: var(--font-heading);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: 8px;
  color: var(--color-white);
}

.logo-sub {
  font-size: 8px;
  font-weight: 600;
  letter-spacing: 6px;
  color: var(--color-gold);
  margin-top: 3px;
}

/* Navigation */
.header-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-link {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-white);
  padding: 8px 0;
  position: relative;
  transition: opacity var(--duration) var(--ease);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width 0.5s var(--ease);
}

.nav-link:hover::after { width: 100%; }
.nav-link:hover { opacity: 0.85; }

/* Dropdown */
.nav-item { position: relative; }

.nav-dropdown {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--color-white);
  min-width: 220px;
  padding: 16px 0;
  border-radius: var(--radius);
  box-shadow: 0 16px 48px rgba(0,0,0,0.12);
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration) var(--ease);
  z-index: 120;
}

.nav-item:hover .nav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown a {
  display: block;
  padding: 10px 28px;
  font-size: 14px;
  font-weight: 400;
  color: var(--color-gray-dark);
  transition: all var(--duration) var(--ease);
  letter-spacing: 0;
  text-transform: none;
}

.nav-dropdown a:hover {
  background: var(--color-bg);
  color: var(--color-gold);
  padding-left: 32px;
}

/* Header Right Icons */
.header-right {
  display: flex;
  align-items: center;
  gap: 18px;
}

.header-icon-btn {
  background: none;
  border: none;
  color: var(--color-white);
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}

.header-icon-btn:hover {
  opacity: 0.7;
  transform: translateY(-1px);
}

.cart-btn { position: relative; }

.cart-badge {
  position: absolute;
  top: -2px;
  right: -4px;
  background: var(--color-gold);
  color: var(--color-dark);
  font-size: 10px;
  font-weight: 700;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Language Switcher */
.language-switcher { display: flex; align-items: center; }

.lang-btn {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.35);
  color: var(--color-white);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 5px 14px;
  border-radius: 20px;
  cursor: pointer;
  transition: all var(--duration) var(--ease);
}

.lang-btn:hover {
  background: rgba(255,255,255,0.15);
  border-color: rgba(255,255,255,0.5);
}

/* Hamburger */
.hamburger-btn {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  padding: 8px;
  cursor: pointer;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--duration) var(--ease);
}

/* Mobile Menu Overlay */
.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 199;
  opacity: 0;
  visibility: hidden;
  transition: all var(--duration) var(--ease);
  backdrop-filter: blur(4px);
}

.mobile-overlay.active { opacity: 1; visibility: visible; }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  right: -360px;
  width: 360px;
  height: 100vh;
  height: 100dvh;
  background: var(--color-white);
  z-index: 200;
  display: flex;
  flex-direction: column;
  transition: right 0.5s var(--ease);
  color: var(--color-dark);
  box-shadow: -8px 0 40px rgba(0,0,0,0.15);
}

.mobile-menu.open { right: 0; }

.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 28px;
  border-bottom: 1px solid var(--color-gray-lighter);
}

.mobile-logo {
  font-family: var(--font-heading);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 4px;
}

.mobile-close {
  font-size: 28px;
  color: var(--color-dark);
  cursor: pointer;
  line-height: 1;
  background: none;
  border: none;
  transition: opacity var(--duration) var(--ease);
}

.mobile-close:hover { opacity: 0.5; }

.mobile-menu-links {
  display: flex;
  flex-direction: column;
  padding: 40px 28px;
}

.mobile-menu-links a {
  padding: 16px 0;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-dark);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  transition: all var(--duration) var(--ease);
}

.mobile-menu-links a:hover {
  color: var(--color-gold);
  padding-left: 8px;
}

/* Scrolled State */
.site-header.scrolled {
  position: fixed;
  top: 0;
  background: rgba(17,17,17,0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
  animation: headerSlideIn 0.35s var(--ease) both;
}

.site-header.scrolled .header-inner { height: 60px; }

@keyframes headerSlideIn {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

body.menu-open { overflow: hidden; }

/* Hamburger → X animation */
.hamburger-btn.active .hamburger-line:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}
.hamburger-btn.active .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger-btn.active .hamburger-line:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Responsive */
@media (max-width: 1024px) {
  .header-nav { gap: 24px; }
}

@media (max-width: 768px) {
  .header-nav { display: none; }
  .hamburger-btn { display: flex; }
  .header-inner { height: 60px; }
  .announcement-bar { font-size: 10px; padding: 8px 16px; letter-spacing: 0.5px; }
  .announcement-inner { gap: 6px; }
  .logo-text { font-size: 24px; letter-spacing: 6px; }
  .logo-sub { font-size: 7px; letter-spacing: 4px; }
  .header-icon-btn { padding: 8px; }
  .site-header.scrolled .header-inner { height: 52px; }
}

@media (max-width: 480px) {
  .mobile-menu { width: 100%; right: -100%; }
  .header-right { gap: 8px; }
  .header-icon-btn svg { width: 18px; height: 18px; }
  .lang-btn { padding: 4px 10px; font-size: 10px; }
  .cart-badge { width: 16px; height: 16px; font-size: 9px; }
  .mobile-menu-links { padding: 28px 20px; }
  .mobile-menu-links a { padding: 14px 0; font-size: 14px; }
  .mobile-menu-header { padding: 20px; }
}