.whatsapp-float {
  position: fixed;
  z-index: var(--z-whatsapp);
  right: 1.4rem;
  bottom: 1.4rem;
  width: 3.4rem;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #25d366;
  color: var(--c-white);
  box-shadow: 0 10px 24px rgba(15, 31, 22, 0.28);
  transition: transform 0.3s var(--ease-out);
}
.whatsapp-float:hover {
  transform: scale(1.08);
}
.whatsapp-float .fa-whatsapp {
  font-size: 1.65rem;
  line-height: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .whatsapp-float {
    animation: whatsapp-pulse 2.6s ease-in-out infinite;
  }
}
@keyframes whatsapp-pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.07);
  }
}