/* docs/DESIGN.md #8.6 — navigation et en-tête. */
@layer components {
  .site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 4.5rem;
    background: var(--cream);
    padding-inline: var(--gutter);
  }

  .site-header__logo {
    text-decoration: none;
    color: var(--forest);
    line-height: 1.1;
  }

  .site-header__logo-main {
    display: block;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: .02em;
    font-size: 1.5rem;
  }

  .site-header__logo-sub {
    display: block;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .28em;
    font-size: .6875rem;
  }

  .site-header__logo-bar {
    display: block;
    width: 2rem;
    height: 3px;
    background: var(--terracotta);
    margin-top: var(--space-2);
  }

  .site-nav {
    display: none;
  }

  @media (width >= 56.25rem) {
    .site-nav {
      display: flex;
      gap: var(--space-6);
    }
  }

  .site-nav__link {
    position: relative;
    padding-block: var(--space-2);
    font-size: .8125rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .1em;
    text-decoration: none;
    color: var(--forest);
  }

  .site-nav__link .slats {
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 1.5rem;
    height: .25rem;
  }

  .site-nav__toggle {
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    list-style: none;
    cursor: pointer;
  }

  .site-nav__toggle::-webkit-details-marker {
    display: none;
  }

  @media (width >= 56.25rem) {
    .site-nav__mobile {
      display: none;
    }
  }

  .site-nav__panel {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: flex;
    flex-direction: column;
    gap: var(--space-6);
    padding: var(--space-6) var(--gutter);
    background: var(--forest);
    color: var(--cream);
  }

  .site-nav__panel-link {
    font-size: 2rem;
    font-weight: 800;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--cream);
  }

  .site-nav__panel-close {
    align-self: flex-end;
    width: 48px;
    height: 48px;
    display: grid;
    place-items: center;
    color: var(--cream);
  }

  .site-nav__panel-slats {
    color: var(--ochre);
    height: 2rem;
    margin-top: auto;
  }
}