/* Accessibility skip link – hidden until focused */
.skip-link { position: absolute; left: -9999px; top: auto; }
.skip-link:focus { left: 0; top: 0; background: #0f172a; color: #fff;
  padding: .5rem 1rem; z-index: 1000; border-radius: 0 0 .25rem .25rem; }