.whatsapp-float {
  position: fixed;
  right: clamp(1rem, 2.5vw, 2rem);
  bottom: clamp(1rem, 2.5vw, 2rem);
  z-index: 60;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: #25d366;
  color: #fff;
  box-shadow: 0 10px 30px #061e2b55;
  text-decoration: none;
  transition: transform .2s ease, box-shadow .2s ease;
}

.whatsapp-float svg {
  display: block;
  width: 38px;
  height: 38px;
  transform: translate(-1px, -1px);
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 15px 35px #061e2b66;
}

.whatsapp-float:focus-visible {
  outline: 3px solid #fff;
  box-shadow: 0 0 0 6px #092d43, 0 15px 35px #061e2b66;
}

@media (max-width: 650px) {
  .whatsapp-float {
    width: 56px;
    height: 56px;
  }

  .whatsapp-float svg {
    width: 34px;
    height: 34px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float {
    transition: none;
  }
}