/* ==========================================================================
   SESSAIA STUDIO | Navigation Component Styles
   ========================================================================== */

/* Announcement & Ethos Top Bar in Signature Aegean Slate Blue */
.top-announcement {
  background-color: var(--color-aegean-blue);
  border-bottom: 1px solid rgba(44, 57, 69, 0.15);
  padding: 0.5rem 1rem;
  font-size: 0.68rem;
  line-height: 1.45;
  text-align: center;
  font-family: var(--font-sans);
  font-weight: 300;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-chalk);
  position: relative;
  z-index: 501;
  transition: all var(--duration-normal);
}

.top-announcement span {
  color: #EFE4D2;
  font-weight: 500;
  letter-spacing: 0.12em;
}

@media (max-width: 640px) {
  .top-announcement {
    padding: 0.42rem 0.75rem;
    font-size: 0.62rem;
    line-height: 1.4;
    letter-spacing: 0.07em;
  }

  .top-announcement span {
    letter-spacing: 0.07em;
  }
}

/* Main Atelier Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 500;
  background-color: var(--color-chalk-translucent);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border: none;
  box-shadow: none;
  transition: background-color var(--duration-normal);
}

.site-header.scrolled {
  border: none;
  box-shadow: none;
  background-color: rgba(249, 248, 246, 0.98);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: 84px;
  gap: var(--space-md);
}

/* Brand Wordmark & Logo Graphic */
.brand-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  user-select: none;
  transition: opacity var(--duration-fast);
}

.brand-logo-img {
  height: 54px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
  display: block;
}

.footer-logo-img {
  height: 48px;
  width: auto;
  max-width: 210px;
  object-fit: contain;
  margin-bottom: var(--space-md);
  display: block;
}

.brand-logo:hover {
  opacity: 0.82;
}

/* Navigation Links (Center) */
.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(1.4rem, 2.8vw, 2.5rem);
  list-style: none;
}

.nav-link {
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 400;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-slate-ink);
  padding: 0.5rem 0;
  position: relative;
  transition: color var(--duration-fast) var(--ease-atelier);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1.5px;
  background-color: var(--color-aegean-blue);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform var(--duration-normal) var(--ease-atelier);
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-aegean-blue);
}

.nav-link.active::after,
.nav-link:hover::after {
  transform: scaleX(1);
}

/* Shop Category Hover Dropdown */
.nav-item-dropdown {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.nav-link-shop {
  color: var(--color-slate-ink);
}

/* Ensure Shop underline only appears when hovered or dropdown is open */
.nav-link-shop::after,
.nav-link-shop.active::after {
  transform: scaleX(0);
}

.nav-item-dropdown:hover .nav-link-shop,
.nav-item-dropdown:focus-within .nav-link-shop,
.nav-link-shop:hover {
  color: var(--color-aegean-blue);
  font-weight: 500;
}

.nav-item-dropdown:hover .nav-link-shop::after,
.nav-item-dropdown:focus-within .nav-link-shop::after,
.nav-link-shop:hover::after {
  transform: scaleX(1);
}

.nav-dropdown-menu {
  position: absolute;
  top: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  background-color: #FFFFFF;
  min-width: 175px;
  padding: 0.5rem 0;
  border-radius: 0;
  border: 1px solid rgba(44, 57, 69, 0.08);
  box-shadow: 0 12px 28px -4px rgba(44, 57, 69, 0.08);
  list-style: none;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s var(--ease-atelier),
              transform 0.22s var(--ease-atelier),
              visibility 0.22s;
  z-index: 550;
}

/* Hover bridge between nav-link and dropdown menu */
.nav-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -14px;
  left: 0;
  width: 100%;
  height: 14px;
}

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

.dropdown-item {
  display: block;
  padding: 0.55rem 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-slate-ink);
  transition: background-color var(--duration-fast), color var(--duration-fast), padding-left var(--duration-fast);
  text-align: left;
  white-space: nowrap;
}

.dropdown-item:hover,
.dropdown-item.active {
  background-color: var(--color-chalk);
  color: var(--color-aegean-blue);
  font-weight: 500;
  padding-left: 1.45rem;
}

/* Header Utilities & Actions (Right) */
.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-md);
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--color-slate-ink);
  font-family: var(--font-sans);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: background-color var(--duration-fast), color var(--duration-fast), border-color var(--duration-fast), box-shadow var(--duration-fast), transform var(--duration-fast);
  position: relative;
  background-color: transparent;
}

.action-btn:hover {
  color: var(--color-chalk) !important;
  background-color: var(--color-deep-mole) !important;
  border-color: var(--color-deep-mole) !important;
  box-shadow: 0 4px 14px rgba(74, 63, 55, 0.25);
}

.action-btn:hover svg {
  color: var(--color-chalk) !important;
  stroke: var(--color-chalk) !important;
}

.action-btn:hover span {
  color: var(--color-chalk) !important;
}

.action-btn:focus-visible {
  outline: none;
  border-color: var(--color-deep-mole);
  box-shadow: 0 0 0 2px rgba(74, 63, 55, 0.3);
}

.action-btn svg {
  width: 18px;
  height: 18px;
  stroke-width: 1.5;
  transition: color var(--duration-fast), stroke var(--duration-fast);
}

/* Bag Counter Badge in Deep Mole */
.bag-counter-pill {
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  background-color: var(--color-deep-mole);
  color: var(--color-chalk);
  font-size: 0.68rem;
  font-family: var(--font-sans);
  font-weight: 600;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  box-shadow: 0 2px 6px rgba(74, 63, 55, 0.3);
  transition: transform var(--duration-fast), background-color var(--duration-fast), color var(--duration-fast);
}

.action-btn:hover .bag-counter-pill {
  transform: scale(1.08);
  background-color: var(--color-chalk) !important;
  color: var(--color-deep-mole) !important;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

/* Mobile Menu Trigger & Morphing Hamburger Icon */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 501;
  -webkit-tap-highlight-color: transparent;
}

.mobile-menu-toggle span {
  display: block;
  height: 1.5px;
  width: 100%;
  background-color: var(--color-slate-ink);
  transition: transform 0.3s var(--ease-atelier), opacity 0.3s var(--ease-atelier);
  transform-origin: center;
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(6.5px) rotate(45deg);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.mobile-menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-6.5px) rotate(-45deg);
}

/* Mobile Navigation Drawer Overlay */
.mobile-nav-overlay {
  position: fixed;
  inset: 0;
  top: 0;
  padding-top: 116px; /* Space for top announcement + header */
  background-color: rgba(249, 248, 246, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 490;
  padding-left: var(--space-xl);
  padding-right: var(--space-xl);
  padding-bottom: var(--space-2xl);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-10px);
  transition: opacity 0.3s var(--ease-atelier), transform 0.3s var(--ease-atelier), visibility 0.3s;
  overflow-y: auto;
}

.mobile-nav-overlay.open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

.mobile-nav-links .nav-link {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-slate-ink);
  padding: 0.35rem 0;
  transition: color var(--duration-fast);
}

.mobile-nav-links .nav-link:hover,
.mobile-nav-links .nav-link.active {
  color: var(--color-aegean-blue);
}

.mobile-nav-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-group-title {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-slate-ink);
}

.mobile-sublinks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding-left: 0.85rem;
  border-left: 1.5px solid rgba(44, 57, 69, 0.15);
  margin-top: 0.35rem;
}

.mobile-sublinks .nav-link {
  font-family: var(--font-sans);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  font-weight: 400;
  color: var(--color-slate-ink);
  padding: 0.2rem 0;
  transition: color var(--duration-fast);
}

.mobile-sublinks .nav-link:hover,
.mobile-sublinks .nav-link.active {
  color: var(--color-aegean-blue);
  font-weight: 500;
}

/* Responsive Breakpoints */
@media (max-width: 992px) {
  .header-inner {
    grid-template-columns: auto 1fr auto;
    height: 72px;
    gap: var(--space-sm);
  }

  .brand-logo-img {
    height: 46px;
    max-width: 210px;
  }

  .header-actions {
    gap: 0.4rem;
  }

  .action-btn {
    padding: 0.5rem 0.6rem;
    font-size: 0.72rem;
  }

  .nav-menu {
    display: none;
  }

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

@media (max-width: 480px) {
  .header-inner {
    height: 64px;
  }

  .brand-logo-img {
    height: 42px;
    max-width: 185px;
  }

  .mobile-nav-overlay {
    padding-top: 104px;
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }

  .action-btn {
    padding: 0.45rem 0.5rem;
  }

  .action-btn span:not(.bag-counter-pill) {
    display: none;
  }
}