@media (max-width:760px){
  .menu{z-index:4}
  nav.mobile-open{display:flex;position:absolute;top:69px;left:0;right:0;background:#120b20;border-bottom:1px solid rgba(255,255,255,.13);padding:20px 24px;flex-direction:column;align-items:flex-start;gap:20px;z-index:3}
}