.nav-link{position:relative;overflow:hidden}.nav-link:after{content:"";position:absolute;bottom:-1px;left:0;width:100%;height:2px;background-color:currentColor;transform:scaleX(0);transform-origin:right;transition:transform .3s ease-out}.nav-link:hover:after{transform:scaleX(1);transform-origin:left}.mobile-menu{transition:transform .3s ease-out,opacity .3s ease-out}