.gradient-overlay{position:fixed;bottom:0;left:0;width:100%;height:30vh;pointer-events:none;z-index:50;background:linear-gradient(0deg,#000 0,rgba(0,0,0,.8) 30%,rgba(0,0,0,.5) 50%,rgba(0,0,0,.2) 70%,transparent);opacity:0;transition:opacity .3s ease}