.footer{border-top:1px solid var(--line);color:var(--muted);padding:22px 0 30px;text-align:center;}
.whatsapp-float{position:fixed;right:22px;bottom:22px;width:64px;height:64px;border-radius:50%;background:#25d366;display:flex;align-items:center;justify-content:center;box-shadow:0 16px 32px rgba(0,0,0,.35);z-index:60;transition:transform .2s ease, box-shadow .2s ease;}
.whatsapp-float:hover{transform:translateY(-3px) scale(1.04);box-shadow:0 20px 36px rgba(0,0,0,.42);}
.whatsapp-float svg{width:30px;height:30px;fill:#fff;}