.contact-btn{z-index:9999;color:#fff;cursor:pointer;background-color:#000;border:none;border-radius:50px;padding:15px 20px;transition:transform .3s,box-shadow .3s;position:fixed;bottom:20px;left:20px;box-shadow:0 4px 10px #0003}.contact-btn:hover{box-shadow:0 6px 15px #0000004d}.contact-btn.animate-focus{animation:1.5s infinite pulse}@keyframes pulse{0%{box-shadow:0 0 #00000080}70%{box-shadow:0 0 0 10px #0000}to{box-shadow:0 0 #0000}}.overlay{z-index:9999;opacity:0;visibility:hidden;background-color:#0009;justify-content:center;align-items:center;width:100%;height:100%;transition:opacity .3s;display:flex;position:fixed;top:0;left:0}.overlay.active{opacity:1;visibility:visible}.contact-panel{background:#fff;border-radius:12px;flex-direction:column;gap:10px;padding:20px;transition:transform .3s;display:flex;transform:translateY(30px)}.overlay.active .contact-panel{transform:translateY(0)}.option-btn{cursor:pointer;background:#f0f0f0;border:none;border-radius:8px;padding:10px 20px;transition:background-color .2s}.option-btn:hover{background-color:#e0e0e0}@media (width<=768px){.contact-btn{bottom:10px}}