/* Floating WhatsApp button, bottom-right corner */
.whatsapp-fab {
  position: fixed;
  right: var(--spacing-xl);
  bottom: var(--spacing-xl);
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: var(--color-whatsapp);
  color: #fff;
  box-shadow: var(--shadow-md);
  transition: transform 0.15s ease, background-color 0.15s ease;
}

.whatsapp-fab:hover {
  transform: scale(1.06);
  background-color: var(--color-whatsapp-dark);
}