@keyframes slideUp{0%{transform:translateY(100px);opacity:0}to{transform:translateY(0);opacity:1}}.whatsapp-button{position:fixed;bottom:20px;right:20px;width:60px;height:60px;border-radius:50%;background-color:#ffc90e;display:flex;justify-content:center;align-items:center;box-shadow:0 4px 10px rgba(0,0,0,.3);border:none;cursor:pointer;transition:all .3s ease;z-index:1000;animation:slideUp 3s ease-out}.whatsapp-button:hover{transform:scale(1.1);box-shadow:0 6px 14px rgba(0,0,0,.4)}.whatsapp-button:active{transform:scale(.95)}.whatsapp-icon{width:35px;height:35px;fill:#fff}.whatsapp-button.hidden{transform:translateY(100px);opacity:0}.whatsapp-button.visible{transform:translateY(0);opacity:1}