/* Header component styles */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-black);
  color: var(--color-ivory);
  box-shadow: var(--shadow-soft);
}

.site-header__inner {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 72px;
}

.site-header__brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-ivory);
  flex-shrink: 0;
  min-width: 0;
}

.site-header__logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  display: block;
  flex-shrink: 0;
}

.site-header__brand-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.site-header__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-ivory);
  position: relative;
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.site-header__toggle-icon,
.site-header__toggle-icon::before,
.site-header__toggle-icon::after {
  display: block;
  position: absolute;
  left: 50%;
  top: 50%;
  width: 24px;
  height: 2px;
  background-color: currentColor;
  transition: transform var(--transition-default), opacity var(--transition-default);
  transform: translate(-50%, -50%);
}

.site-header__toggle-icon::before {
  content: '';
  transform: translate(-50%, -8px);
}

.site-header__toggle-icon::after {
  content: '';
  transform: translate(-50%, 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: translate(-50%, -50%) rotate(45deg);
}

.site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::after {
  transform: translate(-50%, -50%) rotate(-45deg);
}

.site-header__toggle:focus-visible {
  outline: var(--focus-outline-width) solid var(--focus-outline-color);
  outline-offset: var(--focus-outline-offset);
  border-radius: var(--radius-small);
}

.site-header__nav {
  display: flex;
  align-items: center;
  flex-shrink: 1;
  min-width: 0;
}

.site-header__nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: nowrap;
}

.site-header__nav-list li {
  margin: 0;
  padding: 0;
  flex-shrink: 0;
}

.site-header__nav-list a {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: var(--text-nav-letter-spacing);
  text-transform: uppercase;
  text-decoration: none;
  color: var(--color-ivory);
  padding-block: var(--space-2);
  transition: color var(--transition-default);
  white-space: nowrap;
}

.site-header__nav-list a:hover {
  color: var(--color-burgundy);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 2px;
}

.site-header__nav-list a:focus-visible {
  outline: var(--focus-outline-width) solid var(--focus-outline-color);
  outline-offset: var(--focus-outline-offset);
  border-radius: var(--radius-small);
}

@media (max-width: 1024px) {
  .site-header__toggle {
    display: block;
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-black);
    box-shadow: var(--shadow-medium);
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    display: none;
    padding: var(--space-4);
    z-index: 999;
  }

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

  .site-header__nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }

  .site-header__nav-list a {
    display: block;
    padding: var(--space-3);
    border-bottom: 1px solid var(--border-color-dark);
  }

  .site-header__nav-list li:last-child a {
    border-bottom: none;
  }
}

@media (max-width: 480px) {
  .site-header__inner {
    min-height: 64px;
  }

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

  .site-header__brand-text {
    font-size: 1rem;
  }

  .site-header__nav {
    max-height: calc(100vh - 64px);
  }
}