.language-switch { display: inline-flex; align-items: center; gap: .15rem; padding: .2rem; border: 1px solid var(--line); border-radius: 999px; flex: 0 0 auto; }
.language-switch a { display: inline-flex; align-items: center; justify-content: center; min-width: 2.5rem; min-height: 2.5rem; padding: .35rem .6rem; border-radius: 999px; color: var(--ink); text-decoration: none; font-size: .875rem; font-weight: 800; }
.language-switch a[aria-current="true"] { background: var(--ink); color: white; }
.language-switch a:hover { background: var(--sky); color: var(--ink); }
.language-switch a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.nav { gap: .75rem; }
@media (max-width: 540px) {
  .nav { flex-wrap: wrap; padding-block: .4rem; gap: .4rem; }
  .logo-cluster { gap: .35rem; }
  .brand { font-size: 1.1rem; }
  .logo-button { width: 2.8rem; height: 2.8rem; }
  .menu-btn { padding: .45rem .6rem; margin-left: auto; }
  .language-switch a { min-width: 2.2rem; padding-inline: .4rem; }
  .nav > .back { order: 3; flex-basis: 100%; padding-bottom: .3rem; }
}