@layer components {
  .site-header {
    position: relative;
    z-index: 1000;
    background-color: var(--color-creme);
    border-bottom: 1px solid var(--color-charbon-clair);
  }

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

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

  .site-header__logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
    display: block;
    flex-shrink: 0;
  }

  .site-header__brand-text {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    line-height: 1.2;
    letter-spacing: 0.02em;
    font-weight: 700;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .site-header__toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    background: none;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
  }

  .site-header__toggle-line {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-charbon);
    transition: transform var(--transition-fast) var(--transition-ease),
                opacity var(--transition-fast) var(--transition-ease);
  }

  .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__toggle:focus-visible {
    outline: 2px solid var(--color-focus-ring);
    outline-offset: 2px;
  }

  .site-header__nav {
    display: block;
  }

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

  .site-header__item {
    margin: 0;
    padding: 0;
  }

  .site-header__link {
    display: inline-block;
    font-family: var(--font-body);
    font-size: var(--text-body-size);
    line-height: 1.2;
    letter-spacing: var(--text-body-letter-spacing);
    font-weight: 500;
    color: var(--color-charbon);
    text-decoration: none;
    padding-block: var(--space-xs);
    transition: color var(--transition-fast) var(--transition-ease);
  }

  .site-header__link:hover {
    color: var(--color-rouge-argile);
  }

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

  @media (max-width: 1023px) {
    .site-header__toggle {
      display: flex;
      z-index: 99999;
    }

    .site-header__nav {
      position: fixed;
      top: 0;
      right: 0;
      bottom: 0;
      width: min(320px, 85vw);
      background-color: var(--color-bleu-nuit);
      z-index: 1001;
      transform: translateX(100%);
      transition: transform var(--transition-fast) var(--transition-ease);
      overflow-y: auto;
      padding: var(--space-xl) var(--space-lg);
      visibility: hidden;
    }

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

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

    .site-header__link {
      display: block;
      color: var(--color-creme);
      font-size: var(--text-h4-size);
      line-height: var(--text-h4-line-height);
      padding-block: var(--space-sm);
      border-bottom: 1px solid var(--color-prune);
    }

    .site-header__link:hover {
      color: var(--color-vert-sauge);
    }
  }

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

    .site-header__logo {
      width: 28px;
      height: 28px;
    }

    .site-header__brand-text {
      font-size: 0.9375rem;
    }
  }
}