html{scroll-behavior:smooth}body{margin:0;padding:0;overflow-x:hidden;background-color:#f8fafc}@keyframes pulse-ring{0%{transform:scale(1);opacity:.6}to{transform:scale(1.5);opacity:0}}.pulse-wa:before{content:"";position:absolute;width:100%;height:100%;border-radius:50%;background-color:#25d366;opacity:.6;z-index:-1;animation:pulse-ring 2s infinite}