/* ==============================
   Header Wrapper (Sticky)
   ============================== */
.header-wrapper {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  transition: box-shadow var(--transition-base);
}

.header-wrapper.scrolled {
  box-shadow: var(--shadow-lg);
}

.header-wrapper.scrolled .announcement-bar {
  display: none;
}

.header-wrapper.scrolled .top-utility-bar {
  display: none;
}

/* ==============================
   Announcement Bar
   ============================== */
.announcement-bar {
  background: linear-gradient(90deg, var(--color-primary-dark) 0%, var(--color-primary) 50%, var(--color-primary-light) 100%);
  color: rgba(255, 255, 255, 0.9);
  font-size: var(--text-sm);
  padding: 0.45rem 0;
  position: relative;
  z-index: 1;
  overflow: hidden;
}

.announcement-slider {
  display: flex;
  width: 200%;
  animation: announcementSlide 20s linear infinite;
}

@keyframes announcementSlide {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.announcement-slide {
  flex: 0 0 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-5);
  padding: 0 var(--spacing-4);
}

.announcement-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  white-space: nowrap;
  opacity: 0.95;
}

.announcement-item svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--color-accent);
}

.announcement-link {
  color: var(--color-accent);
  text-decoration: underline;
  font-weight: 600;
  white-space: nowrap;
  transition: opacity var(--transition-fast);
}

.announcement-link:hover {
  opacity: 0.85;
}

/* ==============================
   Top Utility Bar
   ============================== */
.top-utility-bar {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.75);
  font-size: var(--text-xs);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-utility-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4);
  min-height: 36px;
}

.top-utility-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

.top-utility-item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.top-utility-item:hover {
  color: white;
}

.top-utility-item svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.top-utility-right {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  flex-wrap: wrap;
}

.top-utility-link {
  padding: 0.25rem 0.6rem;
  color: rgba(255, 255, 255, 0.75);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.top-utility-link:hover,
.top-utility-link.active {
  color: white;
  background: rgba(255, 255, 255, 0.08);
}

.top-utility-link--accent {
  color: var(--color-accent);
  font-weight: 600;
}

.top-utility-link--accent:hover {
  color: var(--color-accent-light);
  background: rgba(244, 183, 64, 0.12);
}

.top-utility-divider {
  width: 1px;
  height: 16px;
  background: rgba(255, 255, 255, 0.2);
  margin: 0 0.25rem;
}

/* ==============================
   Site Header (Main Row)
   ============================== */
.site-header {
  background: white;
  border-bottom: 1px solid var(--color-border-light);
}

.header-main {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--spacing-4);
  padding: 0.85rem 0;
}

.header-main-left {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
}

/* ==============================
   Logo
   ============================== */
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-img {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-brand) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: var(--text-xs);
  box-shadow: 0 4px 12px rgba(21, 94, 239, 0.25);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.2;
  font-family: var(--font-heading);
}

.logo-text span {
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-muted);
}

/* ==============================
   Header Search
   ============================== */
.header-search {
  flex: 1;
  max-width: 560px;
  margin: 0 auto;
  position: relative;
  display: flex;
  align-items: center;
}

.header-search-input {
  width: 100%;
  padding: 0.7rem 3rem 0.7rem 2.75rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  font-size: var(--text-sm);
  transition: all var(--transition-fast);
  color: var(--color-text);
}

.header-search-input::placeholder {
  color: var(--color-text-muted);
}

.header-search-input:focus {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 4px rgba(21, 94, 239, 0.1);
  outline: none;
  background: white;
}

.header-search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

.header-search-btn {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--color-brand);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.header-search-btn:hover {
  background: var(--color-brand-hover);
}

/* ==============================
   Header Actions
   ============================== */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.header-action-btn {
  min-width: 44px;
  height: 44px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  border-radius: var(--radius-md);
  color: var(--color-text-soft);
  transition: all var(--transition-fast);
  position: relative;
  text-decoration: none;
  border: none;
  background: none;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
}

.header-action-btn:hover {
  background: var(--color-surface);
  color: var(--color-brand);
}

.header-action-btn svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.header-action-label {
  font-size: 10px;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
}

.header-action-btn--search-mobile {
  display: none;
}

.header-action-btn--labeled {
  min-width: 52px;
}

.action-badge {
  position: absolute;
  top: 0;
  right: 4px;
  min-width: 18px;
  height: 18px;
  background: var(--color-error);
  color: white;
  font-size: 10px;
  font-weight: 700;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  border: 2px solid white;
}

.header-cta-btn {
  margin-left: 0.5rem;
  white-space: nowrap;
}

/* ==============================
   Country / Currency Selector
   ============================== */
.selector-dropdown {
  position: relative;
}

.selector-dropdown--header {
  display: block;
}

.selector-trigger {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 0.4rem 0.6rem;
  font-size: var(--text-xs);
  color: var(--color-text-soft);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
  white-space: nowrap;
}

.selector-trigger:hover {
  background: var(--color-surface);
}

.selector-trigger svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.selector-menu {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 180px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 0.35rem;
  display: none;
  z-index: var(--z-dropdown);
  animation: menuFadeIn 0.15s ease;
}

.selector-menu.active {
  display: block;
}

.selector-menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.55rem 0.75rem;
  font-size: var(--text-sm);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  border: none;
  background: none;
  cursor: pointer;
  color: var(--color-text);
}

.selector-menu button:hover {
  background: var(--color-surface);
  color: var(--color-brand);
}

/* ==============================
   Top Menu Bar (Main Navigation)
   ============================== */
.top-menu-bar {
  background: var(--color-primary);
  border-bottom: 3px solid var(--color-brand);
  display: none;
}

.top-menu-list {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.top-menu-item {
  position: relative;
}

.top-menu-link {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 0.85rem 1.1rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  white-space: nowrap;
  transition: all var(--transition-fast);
  position: relative;
}

.top-menu-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: calc(100% - 1.5rem);
  height: 3px;
  background: var(--color-accent);
  border-radius: 3px 3px 0 0;
  transition: transform var(--transition-fast);
}

.top-menu-link:hover,
.top-menu-link.active,
.top-menu-item:hover > .top-menu-link {
  color: white;
  background: rgba(255, 255, 255, 0.08);
}

.top-menu-link:hover::after,
.top-menu-link.active::after,
.top-menu-item:hover > .top-menu-link::after {
  transform: translateX(-50%) scaleX(1);
}

.top-menu-chevron {
  transition: transform var(--transition-fast);
  opacity: 0.7;
}

.top-menu-item:hover .top-menu-chevron {
  transform: rotate(180deg);
}

/* ==============================
   Mega Menu (Advanced)
   ============================== */
.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast);
  z-index: var(--z-dropdown);
}

.top-menu-item--mega:hover .mega-menu,
.top-menu-item--mega:focus-within .mega-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.mega-menu--advanced {
  width: min(920px, calc(100vw - 2rem));
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
}

.mega-menu-inner {
  display: grid;
  grid-template-columns: 1fr 240px;
}

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  padding: var(--spacing-5);
}

.mega-menu-category {
  padding: var(--spacing-3);
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.mega-menu-category:hover {
  background: var(--color-surface);
}

.mega-menu-category-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.mega-menu-category-icon {
  width: 32px;
  height: 32px;
  background: var(--color-brand-light);
  color: var(--color-brand);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.mega-menu-category h3 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
}

.mega-menu-link {
  display: block;
  padding: 0.35rem 0;
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  text-decoration: none;
  transition: all var(--transition-fast);
  padding-left: 0.25rem;
  border-left: 2px solid transparent;
}

.mega-menu-link:hover {
  color: var(--color-brand);
  padding-left: 0.5rem;
  border-left-color: var(--color-brand);
}

.mega-menu-view-all {
  display: inline-block;
  margin-top: 0.5rem;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-brand);
  text-decoration: none;
}

.mega-menu-view-all:hover {
  text-decoration: underline;
}

.mega-menu-featured {
  background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  padding: var(--spacing-5);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mega-menu-featured-tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-accent);
  background: rgba(244, 183, 64, 0.15);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  width: fit-content;
}

.mega-menu-featured h4 {
  font-size: var(--text-md);
  font-weight: 700;
  color: white;
  margin: 0;
  line-height: 1.3;
}

.mega-menu-featured p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
  line-height: 1.5;
  flex: 1;
}

.mega-menu-featured-link {
  font-size: var(--text-sm);
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 500;
}

.mega-menu-featured-link:hover {
  text-decoration: underline;
}

/* ==============================
   Services Dropdown
   ============================== */
.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 320px;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(8px);
  transition: all var(--transition-fast);
  z-index: var(--z-dropdown);
}

.top-menu-item--dropdown:hover .nav-dropdown,
.top-menu-item--dropdown:focus-within .nav-dropdown {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-dropdown-item {
  display: block;
  padding: 0.65rem 0.85rem;
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.nav-dropdown-item:hover {
  background: var(--color-surface);
}

.nav-dropdown-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.15rem;
}

.nav-dropdown-desc {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ==============================
   Mobile Menu Toggle
   ============================== */
.mobile-menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  color: var(--color-text);
  border-radius: var(--radius-md);
  border: none;
  background: none;
  cursor: pointer;
  flex-shrink: 0;
}

.mobile-menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* ==============================
   Mobile Nav Drawer
   ============================== */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 19, 38, 0.6);
  backdrop-filter: blur(4px);
  z-index: var(--z-overlay);
  display: none;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.mobile-nav-overlay.active {
  display: block;
  opacity: 1;
}

.mobile-nav {
  position: fixed;
  top: 0;
  left: -100%;
  width: 340px;
  max-width: 90vw;
  height: 100vh;
  height: 100dvh;
  background: white;
  z-index: calc(var(--z-overlay) + 1);
  overflow-y: auto;
  transition: left var(--transition-base);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-xl);
}

.mobile-nav.active {
  left: 0;
}

.mobile-nav-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
}

.mobile-nav-logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--color-text);
  font-weight: 700;
  font-family: var(--font-heading);
}

.mobile-nav-logo .logo-img {
  width: 36px;
  height: 36px;
  font-size: var(--text-xs);
}

.mobile-nav-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: none;
  background: white;
  cursor: pointer;
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
}

.mobile-nav-close svg {
  width: 20px;
  height: 20px;
}

.mobile-nav-search {
  padding: var(--spacing-3) var(--spacing-4);
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-search form {
  position: relative;
  display: flex;
  align-items: center;
}

.mobile-nav-search svg {
  position: absolute;
  left: 0.85rem;
  color: var(--color-text-muted);
  pointer-events: none;
}

.mobile-nav-search input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.5rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  background: var(--color-surface);
}

.mobile-nav-search input:focus {
  outline: none;
  border-color: var(--color-brand);
  background: white;
}

.mobile-nav-list {
  list-style: none;
  margin: 0;
  padding: var(--spacing-2) 0;
  flex: 1;
}

.mobile-nav-item {
  border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav-link,
.mobile-nav-accordion-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-text);
  text-decoration: none;
  border: none;
  background: none;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
}

.mobile-nav-link:hover,
.mobile-nav-accordion-trigger:hover {
  color: var(--color-brand);
  background: var(--color-surface);
}

.mobile-nav-accordion-trigger svg {
  transition: transform var(--transition-fast);
  color: var(--color-text-muted);
}

.mobile-nav-item--accordion.open .mobile-nav-accordion-trigger svg {
  transform: rotate(180deg);
}

.mobile-nav-submenu {
  display: none;
  background: var(--color-surface);
  padding: 0.25rem 0;
}

.mobile-nav-item--accordion.open .mobile-nav-submenu {
  display: block;
}

.mobile-nav-submenu a {
  display: block;
  padding: 0.55rem var(--spacing-4) 0.55rem calc(var(--spacing-4) + 0.75rem);
  font-size: var(--text-sm);
  color: var(--color-text-soft);
  text-decoration: none;
  border-left: 2px solid var(--color-border);
  margin-left: var(--spacing-4);
}

.mobile-nav-submenu a:hover {
  color: var(--color-brand);
  border-left-color: var(--color-brand);
}

.mobile-nav-footer {
  display: flex;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.mobile-nav-footer .btn {
  flex: 1;
  justify-content: center;
}

/* ==============================
   Search Overlay
   ============================== */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 19, 38, 0.92);
  backdrop-filter: blur(8px);
  z-index: var(--z-modal);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
}

.search-overlay.active {
  display: flex;
}

.search-overlay-inner {
  width: 100%;
  max-width: 640px;
  padding: 0 var(--spacing-4);
}

.search-overlay-input {
  width: 100%;
  padding: var(--spacing-4) var(--spacing-6);
  font-size: var(--text-lg);
  border: none;
  border-radius: var(--radius-lg);
  background: white;
  box-shadow: var(--shadow-xl);
  color: var(--color-text);
}

.search-overlay-input::placeholder {
  color: var(--color-text-muted);
}

.search-overlay-close {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background: white;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border: none;
  color: var(--color-text);
  transition: transform var(--transition-fast);
}

.search-overlay-close:hover {
  transform: scale(1.05);
}

.search-overlay-close svg {
  width: 22px;
  height: 22px;
}

/* ==============================
   Animations
   ============================== */
@keyframes menuFadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==============================
   Responsive - Header
   ============================== */
@media (min-width: 1024px) {
  .top-menu-bar {
    display: block;
  }
}

@media (max-width: 1279px) {
  .top-menu-link {
    padding: 0.75rem 0.75rem;
    font-size: var(--text-xs);
  }

  .header-action-label {
    display: none;
  }

  .header-action-btn--labeled {
    min-width: 40px;
    height: 40px;
    padding: 0;
  }

  .header-cta-btn {
    display: none;
  }
}

@media (max-width: 1023px) {
  .top-menu-bar {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .header-search {
    display: none;
  }

  .header-action-btn--search-mobile {
    display: flex;
  }

  .selector-dropdown--header {
    display: none;
  }

  .top-utility-right .top-utility-link:not(.top-utility-link--accent) {
    display: none;
  }

  .top-utility-divider {
    display: none;
  }

  .logo-text span {
    display: none;
  }
}

@media (max-width: 767px) {
  .announcement-extra {
    display: none;
  }

  .top-utility-left .top-utility-item:not(:first-child) {
    display: none;
  }

  .header-main {
    grid-template-columns: 1fr auto;
    padding: 0.6rem 0;
  }

  .header-main-left {
    gap: var(--spacing-2);
  }

  .logo-img {
    width: 38px;
    height: 38px;
  }

  .logo-text {
    font-size: var(--text-sm);
  }

  .header-action-btn--labeled:not(.header-action-btn--cart) {
    display: none;
  }

  .header-action-btn--cart .header-action-label {
    display: none;
  }
}

@media (max-width: 374px) {
  .logo-text {
    display: none;
  }
}