.whatsapp-float {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 9000;
  display: inline-flex;
  width: 64px;
  height: 64px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: #25d366;
  color: #fff;
  box-shadow: 0 10px 30px rgba(37, 211, 102, .32);
  transition: transform .3s ease, background-color .3s ease, box-shadow .3s ease;
}

.whatsapp-float:hover {
  transform: translateY(-4px);
  background: #20bd5a;
  box-shadow: 0 14px 34px rgba(37, 211, 102, .4);
}

.whatsapp-float:focus-visible {
  outline: 2px solid #25d366;
  outline-offset: 4px;
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

@media (max-width: 640px) {
  .whatsapp-float {
    right: 20px;
    bottom: 20px;
    width: 56px;
    height: 56px;
  }

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