@media(max-width:960px){
  .navbar{position:sticky;top:0;z-index:100;transition:transform .24s ease}
  .nav-hidden .navbar{transform:translateY(calc(-100% - env(safe-area-inset-top)))}
  .nav-open .navbar{transform:translateY(0)!important}
  .mobile-overlay{top:0}
}