/* ===== 2. Site Header — 3 Rows ===== */

.site-header {
  position: relative;
  z-index: 1000;
  background: var(--color-surface);
}

/* ── Row 1: Logo Bar ── */
.header-logo-row {
  border-bottom: 1px solid var(--color-border-light);
}

.header-logo-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
}

.header-left,
.header-right {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-width: 100px;
}

.header-left { justify-content: flex-start; }
.header-right { justify-content: flex-end; }

.currency-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: opacity var(--transition-fast);
}

.currency-btn:hover { opacity: 0.7; }

.currency-btn svg {
  width: 22px;
  height: 16px;
  border-radius: 0;
}

/* Logo */
.header-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
}

.logo-icon {
  color: var(--color-gold);
  font-size: 14px;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-widest);
  color: var(--color-ink);
  transition: color var(--transition-fast);
}

.header-logo:hover .logo-text {
  color: var(--color-gold-dark);
}

/* Header Icons */
.header-icon {
  color: var(--color-ink);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.header-icon:hover { color: var(--color-gold-dark); }

.cart-icon { position: relative; }

.cart-count {
  position: absolute;
  top: 0;
  right: -4px;
  width: 16px;
  height: 16px;
  background: var(--color-ink);
  color: var(--color-white);
  font-size: 9px;
  font-weight: var(--weight-bold);
  border-radius: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 22px;
  cursor: pointer;
  z-index: 10;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--color-ink);
  transition: all var(--transition-base);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 4px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -4px); }

/* ── Row 2: Navigation ── */
.header-nav-row {
  border-bottom: 1px solid var(--color-border-light);
  position: relative;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2xl);
  height: 42px;
}

.nav-link {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink);
  display: flex;
  align-items: center;
  gap: 4px;
  position: relative;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

.nav-link svg {
  opacity: 0.5;
  transition: transform var(--transition-fast);
}

.nav-item:hover .nav-link svg { transform: rotate(180deg); }

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: var(--color-gold);
  transition: width var(--transition-base);
}

.nav-link:hover::after { width: 100%; }
.nav-link:hover { color: var(--color-ink-muted); }

/* ── Row 3: Trust Strip ── */
.trust-strip {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border-light);
}

.trust-strip-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-4xl);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink);
}

.trust-item svg {
  color: var(--color-ink);
  flex-shrink: 0;
}

/* ===========================================
   MEGA MENU — Ralph Christian Style
   =========================================== */

.mega-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 100vw;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border-light);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: all var(--transition-base);
  z-index: 100;
}

.nav-item.has-mega {
  position: static;
}

.nav-item.has-mega:hover .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 3-column layout: sidebar | center | highlights */
.mega-layout {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 220px 1fr 220px;
  min-height: 480px;
}

/* ── Left Sidebar ── */
.mega-sidebar {
  padding: var(--space-2xl) var(--space-xl) var(--space-2xl) var(--container-padding);
  border-right: 1px solid var(--color-border-light);
}

.mega-sidebar-heading {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  color: var(--color-ink-muted);
  margin-bottom: var(--space-md);
  letter-spacing: var(--tracking-normal);
}

.mega-sidebar-heading:not(:first-child) {
  margin-top: var(--space-2xl);
}

.mega-sidebar-list li {
  margin-bottom: 2px;
}

.mega-sidebar-list a {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-ink);
  display: block;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.mega-sidebar-list a:hover {
  color: var(--color-gold-dark);
}

.mega-sidebar-featured a {
  font-weight: var(--weight-semibold);
}

.mega-sale-link {
  color: var(--color-error) !important;
}

.mega-sale-link:hover {
  color: var(--color-error) !important;
  opacity: 0.7;
}

/* ── Center Content ── */
.mega-center {
  padding: var(--space-2xl) var(--space-xl);
}

/* Banner */
.mega-banner {
  position: relative;
  width: 100%;
  height: 160px;
  overflow: hidden;
  margin-bottom: var(--space-xl);
  display: flex;
  align-items: flex-end;
}

.mega-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.mega-banner:hover img {
  transform: scale(1.03);
}

.mega-banner-overlay {
  position: relative;
  z-index: 2;
  padding: var(--space-lg);
}

.mega-banner-overlay h3 {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-medium);
  color: var(--color-white);
  letter-spacing: var(--tracking-wider);
  text-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

.mega-banner-btn {
  position: absolute;
  right: var(--space-lg);
  bottom: var(--space-lg);
  z-index: 2;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-ink);
  background: var(--color-white);
  padding: 8px 20px;
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
}

.mega-banner-btn:hover {
  background: var(--color-ink);
  color: var(--color-white);
  border-color: var(--color-ink);
}

/* Collection heading */
.mega-collection-heading {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  color: var(--color-ink-muted);
  margin-bottom: var(--space-lg);
  letter-spacing: var(--tracking-normal);
}

/* Collection Grid — circular thumbs */
.mega-collection-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 24px;
}

.mega-collection-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 8px 0;
  transition: opacity var(--transition-fast);
}

.mega-collection-item:hover {
  opacity: 0.7;
}

.mega-thumb {
  width: 48px;
  height: 48px;
  border-radius: 0;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border-light);
}

.mega-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mega-collection-item span {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-ink);
}

/* ── Right Highlights ── */
.mega-highlights {
  padding: var(--space-2xl) var(--container-padding) var(--space-2xl) var(--space-xl);
  border-left: 1px solid var(--color-border-light);
}

.mega-highlights-heading {
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-regular);
  color: var(--color-ink-muted);
  margin-bottom: var(--space-md);
  letter-spacing: var(--tracking-normal);
}

.mega-highlights-card {
  display: block;
  position: relative;
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
}

.mega-highlights-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.mega-highlights-card:hover img {
  transform: scale(1.04);
}

.mega-highlights-label {
  position: absolute;
  bottom: 48px;
  left: 0;
  width: 100%;
  text-align: center;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-white);
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
}

.mega-highlights-cta {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.75);
  color: var(--color-white);
  text-align: center;
  padding: 10px;
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  transition: background var(--transition-fast);
}

.mega-highlights-card:hover .mega-highlights-cta {
  background: rgba(0, 0, 0, 0.9);
}

/* ── Mobile Menu ── */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 999;
  padding: 100px var(--container-padding) var(--space-3xl);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

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

.mobile-nav-links li {
  margin-bottom: var(--space-xl);
  border-bottom: 1px solid var(--color-border-light);
  padding-bottom: var(--space-xl);
}

.mobile-nav-links a {
  font-family: var(--font-body);
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-ink);
  transition: color var(--transition-fast);
}

.mobile-nav-links a:hover {
  color: var(--color-gold-dark);
}

/* ── Responsive ── */
@media (max-width: 1200px) {
  .mega-layout {
    grid-template-columns: 200px 1fr 180px;
  }
}

@media (max-width: 1024px) {
  .header-nav-row { display: none; }
  .trust-strip { display: none; }
  .hamburger { display: flex; }
  .mobile-menu { display: block; }
}

@media (max-width: 768px) {
  .header-logo-inner { height: 50px; }
  .logo-text { font-size: var(--text-xl); }
}