/* a11y.css — focus/skip-link */
:root { --focus: var(--accent, #2563eb); }
:where(a,button,[role="button"],.btn,input,select,textarea):focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
  border-radius: .375rem;
}
.skip-link {
  position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus {
  position: fixed; left: 1rem; top: 1rem; width: auto; height: auto; padding: .5rem .75rem;
  background: #fff; color: #000; border: 2px solid var(--focus); border-radius: .5rem; z-index: 9999;
}