/* ── Promo Banner ──────────────────────────────── */
.promo-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--promo-banner-height);
  background-color: var(--color-bg-light);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
}

.promo-banner__text {
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text);
}

.promo-banner__text a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.promo-banner__links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.promo-banner__links a {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.promo-banner__links a:hover {
  color: var(--color-text);
}

.promo-banner__close {
  position: absolute;
  right: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 16px;
  line-height: 1;
  transition: color var(--transition-fast);
}

.promo-banner__close:hover {
  color: var(--color-text);
}

.promo-banner.is-hidden {
  display: none;
}

.promo-banner.is-hidden ~ .site-header {
  top: 0;
}

/* ── Site Header ───────────────────────────────── */
.site-header {
  position: fixed;
  top: var(--promo-banner-height);
  left: 0;
  right: 0;
  z-index: 99;
  height: var(--header-height);
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  transition: top var(--transition-base), box-shadow var(--transition-base);
}

.site-header > .container {
  height: 100%;
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-md);
}

.site-header__inner {
  height: 100%;
  display: flex;
  align-items: center;
  gap: var(--space-6);
}

/* ── Logo ──────────────────────────────────────── */
.site-logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
  text-decoration: none;
  line-height: 1;
}

.site-logo__icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #F0F4F0;
  border-radius: var(--radius-full);
  border: 1px solid #D8E8D8;
  padding: 7px;
  color: var(--color-text);
}

.site-logo__icon svg {
  width: 100%;
  height: 100%;
}

.site-logo__name {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: var(--color-text);
  line-height: 1;
}

/* ── Primary Navigation ────────────────────────── */
.site-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.site-nav__list a {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  white-space: nowrap;
}

.site-nav__list a:hover,
.site-nav__list .current-menu-item > a {
  color: var(--color-text);
  background-color: var(--color-bg-light);
}

/* ── Header Actions ────────────────────────────── */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
  margin-left: auto;
}

.header-cart {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 1rem;
  background-color: var(--color-dark);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  text-decoration: none;
  transition: background-color var(--transition-fast);
}

.header-cart:hover {
  background-color: var(--color-dark-alt);
}

.header-cart__icon {
  width: 16px;
  height: 16px;
}

.header-cart__count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  background-color: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: var(--font-bold);
  line-height: 1;
}

/* ── Hamburger (Mobile) ────────────────────────── */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: 6px;
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

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

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ── Mobile Nav Drawer ─────────────────────────── */
.mobile-nav {
  display: none;
  position: fixed;
  top: calc(var(--promo-banner-height) + var(--header-height));
  left: 0;
  right: 0;
  z-index: 98;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  padding: var(--space-4) 0;
}

.mobile-nav.is-open {
  display: block;
}

.mobile-nav__list {
  padding: 0 var(--container-padding);
}

.mobile-nav__list a {
  display: block;
  padding: var(--space-3) 0;
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.mobile-nav__list li:last-child a {
  border-bottom: none;
}

/* ── Responsive ────────────────────────────────── */
@media (max-width: 1024px) {
  .site-nav {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}

@media (max-width: 640px) {
  .promo-banner__links {
    display: none;
  }
}