@layer components {
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-midnight-800);
    border-bottom: 1px solid var(--color-stone-600);
  }

  .site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    min-height: 64px;
    padding-block: var(--space-sm);
  }

  .site-header__brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    text-decoration: none;
    color: var(--color-parchment-100);
    flex-shrink: 0;
    min-width: 0;
  }

  .site-header__logo {
    width: 40px;
    height: 40px;
    object-fit: contain;
    border-radius: var(--radius-default);
    border: 1px solid var(--color-gold-400);
  }

  .site-header__wordmark {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    line-height: 1.2;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--color-gold-200);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .site-header__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--radius-default);
    border: 1px solid var(--color-stone-600);
    background-color: transparent;
    cursor: pointer;
    transition: border-color var(--transition-fast), background-color var(--transition-fast);
  }

  .site-header__toggle:hover {
    border-color: var(--color-gold-400);
    background-color: var(--color-midnight-700);
  }

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

  .site-header__toggle-line {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--color-gold-400);
    border-radius: 1px;
    transition: transform var(--transition-medium), opacity var(--transition-medium);
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(2) {
    opacity: 0;
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .site-header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    margin-inline-start: auto;
  }

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

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

  .site-header__link {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    line-height: 1;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--color-parchment-100);
    text-decoration: none;
    padding-block: var(--space-xs);
    transition: color var(--transition-fast);
    white-space: nowrap;
  }

  .site-header__link:hover {
    color: var(--color-gold-200);
  }

  .site-header__link:focus-visible {
    outline: var(--focus-ring);
    outline-offset: var(--focus-ring-offset);
    border-radius: 2px;
  }

  .site-header__link[aria-current="page"] {
    color: var(--color-gold-400);
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
  }

  .site-header__actions {
    display: flex;
    align-items: center;
    flex-shrink: 0;
  }

  .site-header__cta {
    white-space: nowrap;
  }

  @media (max-width: 1023px) {
    .site-header__toggle {
      display: flex;
    }

    .site-header__nav {
      position: fixed;
      top: 0;
      left: 0;
      bottom: 0;
      width: min(320px, 85vw);
      background-color: var(--color-midnight-800);
      border-right: 1px solid var(--color-stone-600);
      flex-direction: column;
      align-items: stretch;
      justify-content: flex-start;
      gap: var(--space-lg);
      padding: var(--space-xl) var(--space-lg);
      transform: translateX(-100%);
      visibility: hidden;
      transition: transform var(--transition-medium), visibility var(--transition-medium);
      overflow-y: auto;
      z-index: 200;
    }

    .site-header__nav.is-open {
      transform: translateX(0);
      visibility: visible;
    }

    .site-header__menu {
      flex-direction: column;
      align-items: stretch;
      gap: var(--space-sm);
    }

    .site-header__menu-item {
      width: 100%;
    }

    .site-header__link {
      display: block;
      padding: var(--space-sm) var(--space-xs);
      font-size: 1.125rem;
      line-height: 1.4;
      border-bottom: 1px solid var(--color-stone-600);
    }

    .site-header__link[aria-current="page"] {
      border-bottom-color: var(--color-gold-400);
    }

    .site-header__actions {
      margin-top: auto;
      padding-top: var(--space-lg);
    }

    .site-header__cta {
      width: 100%;
      justify-content: center;
    }
  }

  @media (max-width: 767px) {
    .site-header__inner {
      min-height: 56px;
      padding-block: var(--space-xs);
    }

    .site-header__logo {
      width: 32px;
      height: 32px;
    }

    .site-header__wordmark {
      font-size: 0.9375rem;
    }
  }
}