.sf-whatsapp-fab {
  position: fixed;
  /* WhatsApp stays on the LEFT; chat FAB is on the RIGHT — opposite sides. */
  left: 22px !important;
  right: auto !important;
  bottom: 76px;
  z-index: 10040;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(145deg, #25d366 0%, #128c7e 100%);
  color: #fff;
  font-size: 32px;
  text-decoration: none;
  box-shadow:
    0 12px 28px rgba(18, 140, 126, 0.45),
    0 0 0 1px rgba(255, 255, 255, 0.12) inset;
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.sf-whatsapp-fab:hover,
.sf-whatsapp-fab:focus {
  color: #fff;
  transform: translateY(-3px) scale(1.04);
  box-shadow:
    0 16px 36px rgba(18, 140, 126, 0.55),
    0 0 0 1px rgba(255, 255, 255, 0.18) inset;
}

@media (max-width: 767px) {
  .sf-whatsapp-fab {
    left: 16px;
    bottom: 72px;
    width: 56px;
    height: 56px;
    font-size: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sf-whatsapp-fab {
    transition-duration: 0.01ms;
  }
}