/* Header component styles */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--surface-nav);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-bottom: var(--border-hairline);
  height: var(--header-height, 72px);
  display: flex;
  align-items: center;
}

.site-header__inner {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad-mobile);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  height: 100%;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  color: var(--pearl);
  flex-shrink: 0;
  min-width: 0;
}

.site-header__brand:hover {
  text-decoration: none;
  color: var(--pearl);
}

.site-header__logo {
  width: 44px;
  height: 44px;
  object-fit: contain;
  flex-shrink: 0;
}

.site-header__brand-text {
  font-family: var(--heading-font);
  font-weight: 600;
  font-size: 1.125rem;
  letter-spacing: 0.02em;
  color: var(--pearl);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-header__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: 1px solid rgba(223, 186, 115, 0.35);
  border-radius: var(--radius-button);
  cursor: pointer;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
  flex-shrink: 0;
}

.site-header__toggle:hover {
  border-color: var(--soft-gold);
  background-color: rgba(212, 175, 55, 0.08);
}

.site-header__toggle:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.site-header__toggle-icon,
.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  display: block;
  width: 20px;
  height: 2px;
  background-color: var(--pearl);
  border-radius: 1px;
  transition: transform var(--transition-fast), opacity var(--transition-fast), background-color var(--transition-fast);
  position: relative;
}

.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  content: '';
  position: absolute;
  left: 0;
}

.site-header__toggle-icon::before {
  top: -6px;
}

.site-header__toggle-icon::after {
  top: 6px;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon {
  background-color: transparent;
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::before {
  transform: translateY(6px) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::after {
  transform: translateY(-6px) rotate(-45deg);
}

.site-header__nav {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background-color: var(--surface-nav);
  backdrop-filter: var(--backdrop-blur);
  -webkit-backdrop-filter: var(--backdrop-blur);
  border-bottom: var(--border-hairline);
  box-shadow: var(--shadow-card);
  max-height: calc(100vh - var(--header-height, 72px));
  overflow-y: auto;
  padding: var(--space-md) var(--container-pad-mobile);
  z-index: 999;
}

.site-header__nav.is-open {
  display: block;
}

.site-header__nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.site-header__nav-item {
  margin: 0;
  padding: 0;
}

.site-header__nav-link {
  display: block;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--body-font);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--pearl);
  text-decoration: none;
  border-radius: var(--radius-button);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.site-header__nav-link:hover {
  background-color: rgba(212, 175, 55, 0.08);
  color: var(--soft-gold);
  text-decoration: none;
}

.site-header__nav-link:focus-visible {
  outline: var(--focus-ring);
  outline-offset: var(--focus-offset);
}

.site-header__nav-link[aria-current="page"] {
  color: var(--champagne);
  border-bottom: 2px solid var(--champagne);
}

@media (min-width: 768px) {
  .site-header__inner {
    padding-inline: var(--container-pad-tablet);
  }

  .site-header__logo {
    width: 44px;
    height: 44px;
  }

  .site-header__brand-text {
    font-size: 1.25rem;
  }
}

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

  .site-header__nav {
    display: block;
    position: static;
    background: none;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    box-shadow: none;
    max-height: none;
    overflow: visible;
    padding: 0;
    margin-left: auto;
  }

  .site-header__nav-list {
    flex-direction: row;
    align-items: center;
    gap: var(--space-lg);
  }

  .site-header__nav-link {
    padding: var(--space-xs) 0;
    font-size: 0.875rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: 0;
    border-bottom: 2px solid transparent;
  }

  .site-header__nav-link:hover {
    background: none;
    color: var(--soft-gold);
    border-bottom-color: var(--soft-gold);
  }

  .site-header__nav-link[aria-current="page"] {
    border-bottom-color: var(--champagne);
  }
}

@media (min-width: 1280px) {
  .site-header__inner {
    padding-inline: var(--container-pad-desktop);
  }
}

/* Collision prevention for fixed header */
body {
  padding-top: var(--header-height, 72px);
}