.c-whatsapp-fab {
  position: fixed;
  right: var(--space-6);
  bottom: var(--space-6);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  z-index: 50;
  transition: transform 0.15s ease;
}

.c-whatsapp-fab:hover {
  transform: scale(1.08);
}