.pu-whatsapp {
 position: fixed;
 right: max(24px, env(safe-area-inset-right));
 bottom: calc(24px + env(safe-area-inset-bottom));
 z-index: 45;
 display: inline-flex;
 align-items: center;
 gap: 10px;
 min-height: 56px;
 padding: 12px 18px;
 border: 1px solid #ffffff80;
 border-radius: 999px;
 background: #146c43;
 color: #fff;
 box-shadow: 0 4px 18px #152c2529;
 font: 600 14px/1.3 system-ui, sans-serif;
 text-decoration: none;
}
.pu-whatsapp:hover { background: #105735; color: #fff; }
.pu-whatsapp:focus-visible { outline: 3px solid #222; outline-offset: 4px; }
.pu-whatsapp svg { flex: 0 0 28px; }
.pu-menu-open .pu-whatsapp { visibility: hidden; }
@media (max-width: 767px) {
 .pu-whatsapp { right: max(16px, env(safe-area-inset-right)); bottom: calc(16px + env(safe-area-inset-bottom)); width: 56px; padding: 14px; }
 .pu-whatsapp span { display: none; }
}
@media print { .pu-whatsapp { display: none; } }