/* ===== Header shell ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: var(--color-ivory);
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--dur-med) var(--ease),
              border-color var(--dur-med) var(--ease),
              height var(--dur-med) var(--ease);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--color-line);
}

.nav-container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  transition: height var(--dur-med) var(--ease);
}

.site-header.is-scrolled .nav-container {
  height: var(--nav-height-scrolled);
}

/* ===== Logo lockup ===== */
.logo-lockup {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-shrink: 0;
}

.logo-mark {
  display: block;
  width: 52px;
  height: 52px;
  flex-shrink: 0;
  border-radius: 50%;
  transition: width var(--dur-med) var(--ease), height var(--dur-med) var(--ease);
}

.site-header.is-scrolled .logo-mark {
  width: 44px;
  height: 44px;
}

.logo-mark img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: contain;
}

.logo-mark--footer {
  width: 84px;
  height: 84px;
}

/* ===== Desktop primary nav ===== */
.primary-nav {
  display: none;
}

@media (min-width: 960px) {
  .primary-nav {
    display: block;
  }
}

.primary-nav > ul {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.primary-nav > ul > li {
  position: relative;
}

.primary-nav a,
.nav-link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.5rem 0.1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-ink);
  position: relative;
}

.primary-nav a::after,
.nav-link-btn::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.1rem;
  height: 1.5px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-fast) var(--ease);
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after,
.nav-link-btn:hover::after,
.has-dropdown:hover .nav-link-btn::after,
.nav-link-btn[aria-expanded="true"]::after {
  transform: scaleX(1);
}

.nav-chevron {
  width: 9px;
  height: 9px;
  transition: transform var(--dur-fast) var(--ease);
}

.nav-link-btn[aria-expanded="true"] .nav-chevron {
  transform: rotate(180deg);
}

/* ===== Dropdown ===== */
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, 6px);
  min-width: 200px;
  padding: var(--space-xs);
  margin-top: var(--space-xs);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease),
              visibility var(--dur-fast);
}

.has-dropdown:hover .dropdown-menu,
.has-dropdown:focus-within .dropdown-menu,
.dropdown-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translate(-50%, 0);
}

.dropdown-menu li a {
  display: block;
  padding: 0.55rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  white-space: nowrap;
}

.dropdown-menu li a::after {
  display: none;
}

.dropdown-menu li a:hover {
  background: var(--color-ivory-dim);
  color: var(--color-gold-dark);
}

/* ===== Nav actions (cart, CTA, hamburger) ===== */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.cart-link {
  position: relative;
  display: inline-flex;
  padding: 0.4rem;
}

.cart-link svg {
  width: 22px;
  height: 22px;
}

.cart-count {
  position: absolute;
  top: -2px;
  right: -2px;
  min-width: 16px;
  height: 16px;
  padding: 0 3px;
  border-radius: 50%;
  background: var(--color-gold);
  color: var(--color-white);
  font-size: 0.62rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nav-actions .btn-primary {
  display: none;
}

@media (min-width: 960px) {
  .nav-actions .btn-primary {
    display: inline-flex;
  }
}

/* ===== Hamburger toggle ===== */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 40px;
  height: 40px;
}

@media (min-width: 960px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--color-ink);
  transition: transform var(--dur-med) var(--ease),
              opacity var(--dur-fast) var(--ease);
}

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

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

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

/* ===== Mobile menu overlay ===== */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: var(--z-overlay);
  background: var(--color-ink);
  color: var(--color-ivory);
  padding: var(--space-md) var(--container-pad) var(--space-xl);
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease);
  display: flex;
  flex-direction: column;
}

.mobile-menu.is-open {
  transform: translateX(0);
}

@media (min-width: 960px) {
  .mobile-menu {
    display: none;
  }
}

.mobile-menu-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  flex-shrink: 0;
}

.mobile-menu-label {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-ivory);
}

.mobile-menu-close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-close svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-ivory);
}

.mobile-nav {
  margin-top: var(--space-md);
  flex: 1;
}

.mobile-nav > ul > li {
  border-bottom: 1px solid var(--color-line-dark);
}

.mobile-nav > ul > li > a,
.mobile-nav .mobile-dropdown-toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0.1rem;
  font-family: var(--font-display);
  font-size: 1.4rem;
  width: 100%;
  color: var(--color-ivory);
}

.mobile-dropdown-toggle svg {
  width: 14px;
  height: 14px;
  transition: transform var(--dur-fast) var(--ease);
}

.mobile-dropdown-toggle[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.mobile-submenu {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-med) var(--ease);
}

.mobile-submenu.is-open {
  max-height: 320px;
}

.mobile-submenu li a {
  display: block;
  padding: 0.65rem 0.1rem 0.65rem var(--space-sm);
  font-size: 0.95rem;
  color: var(--color-gold-bright);
}

.mobile-menu-footer {
  margin-top: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.mobile-menu-footer .btn-primary {
  width: 100%;
}

.mobile-socials {
  display: flex;
  gap: var(--space-sm);
}

.mobile-socials a {
  width: 38px;
  height: 38px;
  border: 1px solid var(--color-line-dark);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-socials svg {
  width: 16px;
  height: 16px;
  stroke: var(--color-ivory);
}