.whatsapp-contact {
  position: fixed;
  right: max(22px, env(safe-area-inset-right));
  bottom: max(22px, env(safe-area-inset-bottom));
  z-index: 90;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  border: 1px solid #b6d7ff40;
  border-radius: 18px;
  background: #101a36;
  color: #c4f5df;
  box-shadow: 0 6px 24px #060b2230;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease;
}
.whatsapp-contact svg { width: 25px; height: 25px; }
.whatsapp-contact-label {
  position: absolute;
  right: calc(100% + 12px);
  white-space: nowrap;
  padding: 10px 14px;
  border-radius: 12px;
  background: #101a36;
  color: #fff;
  font-size: 13px;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .2s ease;
}
.whatsapp-contact:hover, .whatsapp-contact:focus-visible { background: #183451; transform: translateY(-2px); }
.whatsapp-contact:hover .whatsapp-contact-label, .whatsapp-contact:focus-visible .whatsapp-contact-label { opacity: 1; visibility: visible; }
.whatsapp-contact:focus-visible { outline: 2px solid #38b8fb; outline-offset: 4px; }
.is-loading .whatsapp-contact { visibility: hidden; }
@media (max-width: 767px) {
  .whatsapp-contact { width: 46px; height: 46px; right: max(14px, env(safe-area-inset-right)); bottom: max(14px, env(safe-area-inset-bottom)); border-radius: 16px; }
  .whatsapp-contact-label { display: none; }
}
@media (prefers-reduced-motion: reduce) { .whatsapp-contact, .whatsapp-contact-label { transition: none; } }
@media print { .whatsapp-contact { display: none; } }