.nav-link{
    font-size: 1.5rem;
    color: rgb(26, 26, 26);
    text-decoration: none;
    position: relative;
 }

 .nav-link::after{
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 3px;
    background: hsl(331, 100%, 50%);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 250ms ease-in;
 }

 .nav-link:hover::after{
    transform: scaleX(1);
    transform-origin: left;
 }