.mobile-menu{position:fixed;top:0;left:0;width:100%;height:100vh;background:hsla(0,0%,4%,.98);backdrop-filter:blur(10px);z-index:40;display:flex;flex-direction:column;align-items:center;justify-content:center;transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1)}.mobile-menu.open{transform:translateX(0)}