html{scroll-behavior:smooth}.hero{position:relative;height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;overflow:hidden}.hero:before{content:"";position:absolute;inset:0;background-color:#020617;background-image:url(/fondo.png);background-size:cover;background-position:center;animation:zoomBg 30s ease-in-out infinite alternate;z-index:-2}.hero:after{content:"";position:absolute;inset:0;background:#0000008c;z-index:-1}@keyframes zoomBg{0%{transform:scale(1)}to{transform:scale(1.05)}}