/* Botón flotante de WhatsApp */
.whatsapp-float-btn {
  position: fixed;
  bottom: 15vw;
  right: 1.3vw;
  z-index: 9999;
  background: #25d366;
  border-radius: 50%;
  width: 12vw;
  max-width: 60px;
  min-width: 40px;
  height: 12vw;
  max-height: 60px;
  min-height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
  animation: whatsapp-float 1.5s infinite alternate;
}

@media (max-width: 600px) {
  .whatsapp-float-btn {
    bottom: 20vh;
    right: 2vw;
    width: 14vw;
    height: 14vw;
    min-width: 36px;
    min-height: 36px;
    max-width: 48px;
    max-height: 48px;
  }
}

@keyframes whatsapp-float {
  0% {
    transform: translateY(0) scale(1);
  }
  60% {
    transform: translateY(-10px) scale(1.08);
  }
  100% {
    transform: translateY(0) scale(1);
  }
}