.public-whatsapp-cta {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 1040;
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  padding: .75rem 1rem;
  border-radius: 999px;
  background: #16a34a;
  color: #fff;
  box-shadow: 0 8px 22px rgba(22, 101, 52, .28);
  font: 700 .9rem/1.1 system-ui, sans-serif;
  text-decoration: none;
  transition: transform .15s ease, background .15s ease;
}

.public-whatsapp-cta:hover,
.public-whatsapp-cta:focus-visible {
  background: #15803d;
  color: #fff;
  transform: translateY(-2px);
}

.public-whatsapp-cta i {
  font-size: 1.35rem;
}

@media (max-width: 480px) {
  .public-whatsapp-cta {
    right: .85rem;
    bottom: .85rem;
    padding: .7rem .85rem;
  }
}