.whatsapp-fab {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: #fff;
  box-shadow: var(--shadow-md);
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.whatsapp-fab:hover {
  background: var(--color-whatsapp-hover);
  transform: scale(1.05);
}

.whatsapp-fab svg {
  width: 28px;
  height: 28px;
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-fab:hover {
    transform: none;
  }
}