/* Site header — fixed top bar with logo, primary nav, CTA, mobile toggle. */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background-color: rgba(248, 245, 239, 0.92);
  backdrop-filter: saturate(160%) blur(8px);
  border-bottom: 1px solid var(--color-border-hairline);
}

.site-header__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
  padding-block: var(--space-md);
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  flex-shrink: 0;
}

.site-header__logo img {
  height: 40px;
  width: 40px;
}

.site-header__logo-mark {
  position: relative;
  display: inline-flex;
}

.logo-fallback {
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1.5px solid var(--color-accent-gold);
  background-color: var(--color-bg-secondary);
  color: var(--color-accent-gold);
  font-family: var(--font-heading);
  font-size: 14px;
  letter-spacing: 0.03em;
}

/* [hidden] must win over the class — only show the fallback badge once the
   real logo's onerror handler removes the `hidden` attribute (see site-header.js
   / site-footer.js). Without this, the badge rendered next to the real logo
   on every page regardless of whether it had loaded. */
.logo-fallback:not([hidden]) {
  display: flex;
}

.site-header__wordmark {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  white-space: nowrap;
}

.site-header__wordmark-title {
  font-family: var(--font-heading);
  font-size: 17px;
  color: var(--color-text-primary);
}

.site-header__wordmark-subtitle {
  font-family: var(--font-body);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-nav);
  color: var(--color-text-muted);
}

@media (max-width: 1023px) {
  .site-header__wordmark {
    display: none;
  }
}

.site-nav {
  display: none;
}

@media (min-width: 1024px) {
  .site-nav {
    display: block;
    margin-inline: auto;
  }
}

.site-nav__list {
  display: flex;
  gap: var(--space-lg);
}

.site-nav__link {
  position: relative;
  display: inline-block;
  padding-block: var(--space-xs);
  color: var(--color-text-primary);
}

.site-nav__link::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -2px;
  height: 2px;
  background-color: var(--color-accent-burgundy);
  transition: right var(--transition-base);
}

.site-nav__link:hover::after,
.site-nav__link.is-active::after {
  right: 0;
}

.site-nav__link.is-active {
  color: var(--color-accent-burgundy);
}

.site-header__cta {
  display: none;
}

@media (min-width: 1024px) {
  .site-header__cta {
    display: inline-flex;
  }
}

.mobile-nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: var(--space-xs);
}

@media (min-width: 1024px) {
  .mobile-nav-toggle {
    display: none;
  }
}

.mobile-nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.mobile-nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: 0;
  top: 0;
  background-color: var(--color-bg-primary);
  z-index: var(--z-mobile-nav);
  display: flex;
  flex-direction: column;
  padding: var(--space-xl) var(--container-padding);
  transform: translateX(100%);
  transition: transform var(--transition-slow);
}

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

.mobile-nav__close {
  align-self: flex-end;
  width: 40px;
  height: 40px;
  position: relative;
}

.mobile-nav__close::before,
.mobile-nav__close::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 22px;
  height: 2px;
  background-color: var(--color-text-primary);
}

.mobile-nav__close::before {
  transform: translate(-50%, -50%) rotate(45deg);
}

.mobile-nav__close::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

.mobile-nav__link {
  font-family: var(--font-heading);
  font-size: 28px;
  color: var(--color-text-primary);
}

.mobile-nav__link.is-active {
  color: var(--color-accent-burgundy);
}

.mobile-nav__cta {
  margin-top: var(--space-2xl);
  align-self: flex-start;
}

@media (min-width: 1024px) {
  .mobile-nav {
    display: none;
  }
}