@media (max-width:899px){
  .site-nav.is-open{position:absolute;top:5.25rem;right:0;left:0;display:grid;gap:1.25rem;padding:1.5rem 1rem;background:rgba(16,21,19,.98);box-shadow:var(--shadow-md)}
  .site-nav.is-open a{color:var(--white);font-size:.78rem;font-weight:800;letter-spacing:.07em;text-transform:uppercase}
}