/* ==========================================================================
   Header — Site header, navigation, mobile menu
   ========================================================================== */

/* Utility top bar
   ---------------------------------------------------------------------- */

.site-utility {
  background-color: var(--color-linen);
  border-bottom: 1px solid var(--color-pebble);
}

.site-utility .container {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-lg);
  padding-top: var(--space-xs);
  padding-bottom: var(--space-xs);
}

.site-utility a {
  font-size: var(--text-xs);
  font-weight: 500;
  color: var(--color-stone);
  text-transform: uppercase;
  letter-spacing: var(--tracking-caps);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-utility a:hover {
  color: var(--color-charcoal);
  text-decoration: none;
}

.site-utility__owners {
  color: var(--color-stone);
  font-size: var(--text-xs);
}

.site-utility__owners a {
  text-transform: none;
  letter-spacing: normal;
}

/* Header
   ---------------------------------------------------------------------- */

.site-header {
  background-color: var(--color-cream);
  border-bottom: 1px solid var(--color-pebble);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

/* Logo / Wordmark
   ---------------------------------------------------------------------- */

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

.site-logo:hover {
  text-decoration: none;
}

.site-logo__img {
  height: 48px;
  width: auto;
}

/* Main navigation
   ---------------------------------------------------------------------- */

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

.site-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-nav__link {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: var(--text-sm);
  color: var(--color-charcoal);
  text-decoration: none;
  letter-spacing: var(--tracking-wide);
  transition: color var(--transition-fast);
  padding: var(--space-sm) 0;
}

.site-nav__link:hover,
.site-nav__link.is-active {
  color: var(--color-brass);
  text-decoration: none;
}

/* Mobile menu toggle
   ---------------------------------------------------------------------- */

.menu-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-charcoal);
}

.menu-toggle__bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  background-color: currentColor;
  position: relative;
  transition: background-color var(--transition-fast);
}

.menu-toggle__bar::before,
.menu-toggle__bar::after {
  content: '';
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: currentColor;
  transition: transform var(--transition-base);
}

.menu-toggle__bar::before {
  top: -6px;
}

.menu-toggle__bar::after {
  top: 6px;
}

/* Open state */
.menu-toggle[aria-expanded="true"] .menu-toggle__bar {
  background-color: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__bar::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Mobile nav
   ---------------------------------------------------------------------- */

@media (max-width: 767px) {
  .menu-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: 4.5rem;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--color-cream);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-xl) var(--container-padding);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    overflow-y: auto;
    z-index: 99;
  }

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

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__link {
    display: block;
    font-size: var(--text-md);
    padding: var(--space-md) 0;
    border-bottom: 1px solid var(--color-linen);
  }

  .site-utility {
    display: none;
  }
}