.site-announcement {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  background: var(--color-olive);
  color: var(--color-white);
  text-align: center;
  font-size: 13px;
  padding: var(--space-sm) var(--space-md);
  min-height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-header {
  position: sticky;
  top: var(--announcement-height, 2.5rem);
  z-index: 1000;
  background: var(--color-white);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  min-height: var(--header-height);
  max-width: 1280px;
  margin: 0 auto;
  padding: var(--space-sm) var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}

.logo__img {
  height: 40px;
  width: auto;
  display: block;
}

.logo__text {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: 3px;
  font-size: var(--font-size-lg);
  color: var(--color-deep-forest);
}

@media (min-width: 768px) {
  .logo__img {
    height: 48px;
  }
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: var(--space-xs);
}

@media (min-width: 1280px) {
  .nav-desktop {
    display: flex;
    flex: 1;
    justify-content: center;
  }
}

.nav-desktop a {
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-deep-forest);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  transition: background 0.2s ease;
}

.nav-desktop a:hover,
.nav-desktop a[aria-current="page"] {
  background: var(--color-sand);
}

.nav-desktop__bulk {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  align-self: center;
  gap: 0;
  padding: 0 var(--space-xs);
}

.nav-desktop .nav-desktop__bulk > a {
  padding: var(--space-xs) var(--space-md);
  line-height: 1.2;
}

.nav-desktop .nav-desktop__bulk-sub {
  font-size: 0.75rem;
  font-weight: 600;
  padding-top: 0;
  margin-top: -0.125rem;
  opacity: 0.88;
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown__btn {
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-deep-forest);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.nav-dropdown__btn:hover {
  background: var(--color-sand);
}

.nav-dropdown__btn .chevron {
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.2s ease;
}

.nav-dropdown.is-open .nav-dropdown__btn .chevron {
  transform: rotate(-135deg) translateY(2px);
}

.nav-dropdown__panel {
  position: absolute;
  top: 100%;
  left: 50%;
  min-width: 14rem;
  padding: var(--space-sm);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card-hover);
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(8px);
  transition:
    opacity 0.2s ease,
    visibility 0.2s ease,
    transform 0.2s ease;
}

.nav-dropdown.is-open .nav-dropdown__panel {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(4px);
}

.nav-dropdown__panel a {
  display: block;
  padding: var(--space-sm) var(--space-md);
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--font-size-sm);
  color: var(--color-deep-forest);
  border-radius: var(--radius-sm);
}

.nav-dropdown__panel a:hover {
  background: var(--color-sand);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.cart-link {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  color: var(--color-deep-forest);
  text-decoration: none;
  transition: background 0.2s ease;
}

.cart-link:hover {
  background: var(--color-sand);
}

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

.cart-badge {
  position: absolute;
  top: 4px;
  right: 2px;
  min-width: 1.125rem;
  height: 1.125rem;
  padding: 0 4px;
  font-size: 10px;
  font-weight: 700;
  line-height: 1.125rem;
  text-align: center;
  background: var(--color-badge);
  color: var(--color-white);
  border-radius: 999px;
}

.nav-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  color: var(--color-deep-forest);
  border-radius: var(--radius-sm);
}

.nav-toggle:hover {
  background: var(--color-sand);
}

@media (min-width: 1280px) {
  .nav-toggle {
    display: none;
  }
}

.nav-toggle__bars,
.nav-toggle__close {
  width: 24px;
  height: 24px;
}

.nav-toggle .nav-toggle__close {
  display: none;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bars {
  display: none;
}

.nav-toggle[aria-expanded="true"] .nav-toggle__close {
  display: block;
}

.mobile-nav {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(100vw - 3rem, 380px);
  z-index: 2000;
  background: var(--color-white);
  padding: var(--space-2xl) var(--space-xl);
  box-shadow: -8px 0 32px rgba(0, 0, 0, 0.12);
  transform: translateX(100%);
  visibility: hidden;
  transition:
    transform 0.3s ease,
    visibility 0.3s ease;
  overflow-y: auto;
}

.mobile-nav.is-open {
  transform: translateX(0);
  visibility: visible;
}

.mobile-nav__backdrop {
  position: fixed;
  inset: 0;
  z-index: 1999;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.3s ease,
    visibility 0.3s ease;
}

.mobile-nav__backdrop.is-visible {
  opacity: 1;
  visibility: visible;
}

.mobile-nav__header {
  display: flex;
  justify-content: flex-end;
  margin-bottom: var(--space-xl);
}

.mobile-nav__close {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--color-deep-forest);
}

.mobile-nav__close:hover {
  background: var(--color-sand);
}

.mobile-nav a {
  display: block;
  padding: var(--space-md) 0;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: var(--font-size-md);
  text-decoration: none;
  color: var(--color-deep-forest);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.mobile-nav__sub a {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--font-size-sm);
  padding: var(--space-sm) 0 var(--space-sm) var(--space-md);
  border: none;
}

body.nav-open {
  overflow: hidden;
}

/* Temporary: hide Sponsors nav entry (sponsors.html page kept). Remove when live. */
.site-header .nav-desktop a[href$="sponsors.html"],
#mobile-nav a[href$="sponsors.html"] {
  display: none !important;
}