@layer header {
  .site-header {
    position: relative;
    z-index: 100;
    background-color: var(--color-ink);
    border-bottom: 1px solid rgba(107, 74, 47, 0.4);
  }

  .site-header__inner {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding-mobile);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    gap: var(--space-16);
  }

  @media (min-width: 768px) {
    .site-header__inner {
      padding-inline: var(--container-padding-tablet);
      min-height: 72px;
    }
  }

  @media (min-width: 1024px) {
    .site-header__inner {
      padding-inline: var(--container-padding-desktop);
      min-height: 80px;
    }
  }

  .site-header__brand {
    display: inline-flex;
    align-items: center;
    gap: var(--space-12);
    text-decoration: none;
    color: var(--color-bone);
    flex-shrink: 0;
    min-width: 0;
  }

  .site-header__logo {
    width: 32px;
    height: 32px;
    object-fit: contain;
    flex-shrink: 0;
  }

  @media (min-width: 768px) {
    .site-header__logo {
      width: 36px;
      height: 36px;
    }
  }

  .site-header__brand-text {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  @media (min-width: 768px) {
    .site-header__brand-text {
      font-size: 1.0625rem;
    }
  }

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

  .site-header__toggle:hover {
    border-color: var(--color-brass);
    background-color: var(--color-charcoal-soft);
  }

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

  .site-header__toggle-icon {
    position: relative;
    display: block;
    width: 20px;
    height: 2px;
    background-color: currentColor;
    transition: background-color var(--transition-fast);
  }

  .site-header__toggle-icon::before,
  .site-header__toggle-icon::after {
    content: '';
    position: absolute;
    left: 0;
    width: 20px;
    height: 2px;
    background-color: currentColor;
    transition: transform var(--transition-fast), top var(--transition-fast), bottom var(--transition-fast);
  }

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

  .site-header__toggle-icon::after {
    bottom: -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 {
    top: 0;
    transform: rotate(45deg);
  }

  .site-header__toggle[aria-expanded="true"] .site-header__toggle-icon::after {
    bottom: 0;
    transform: rotate(-45deg);
  }

  .site-header__nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-charcoal);
    border-bottom: 1px solid var(--color-wood);
    box-shadow: var(--shadow-elevated);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-drawer), opacity var(--transition-drawer);
    opacity: 0;
    visibility: hidden;
    z-index: 99;
  }

  .site-header__nav.is-open {
    max-height: calc(100vh - 64px);
    overflow-y: auto;
    opacity: 1;
    visibility: visible;
  }

  @media (min-width: 768px) {
    .site-header__nav.is-open {
      max-height: calc(100vh - 72px);
    }
  }

  @media (min-width: 1024px) {
    .site-header__nav.is-open {
      max-height: calc(100vh - 80px);
    }
  }

  .site-header__nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
  }

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

  .site-header__nav-link {
    display: block;
    padding: var(--space-16) var(--container-padding-mobile);
    font-family: var(--font-body);
    font-size: var(--text-body-size);
    font-weight: 400;
    letter-spacing: 0.01em;
    color: var(--color-bone);
    text-decoration: none;
    border-bottom: 1px solid rgba(107, 74, 47, 0.2);
    transition: background-color var(--transition-fast), color var(--transition-fast);
  }

  .site-header__nav-link:hover {
    background-color: var(--color-charcoal-soft);
    color: var(--color-brass);
  }

  .site-header__nav-link:focus-visible {
    outline: var(--focus-outline);
    outline-offset: -2px;
  }

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

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

    .site-header__nav {
      position: static;
      background-color: transparent;
      border-bottom: none;
      box-shadow: none;
      max-height: none;
      overflow: visible;
      opacity: 1;
      visibility: visible;
      z-index: auto;
      flex: 1;
      display: flex;
      justify-content: flex-end;
    }

    .site-header__nav-list {
      flex-direction: row;
      align-items: center;
      gap: var(--space-24);
    }

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

    .site-header__nav-link {
      display: inline-block;
      padding: var(--space-8) var(--space-4);
      font-size: var(--text-small-size);
      letter-spacing: 0.06em;
      text-transform: uppercase;
      border-bottom: none;
      position: relative;
    }

    .site-header__nav-link::after {
      content: '';
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 1px;
      background-color: var(--color-brass);
      transform: scaleX(0);
      transform-origin: left;
      transition: transform var(--transition-fast);
    }

    .site-header__nav-link:hover {
      background-color: transparent;
      color: var(--color-bone);
    }

    .site-header__nav-link:hover::after,
    .site-header__nav-link[aria-current="page"]::after {
      transform: scaleX(1);
    }

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