/* ==========================================================================
   ESCUELA DE SIG PLUS - BOTON FLOTANTE DE WHATSAPP
   ========================================================================== */

.whatsapp-float {
  position: fixed;
  right: 5%;
  bottom: 5%;
  z-index: 900;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25d366;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.28);
  transition: transform 0.2s cubic-bezier(0.4, 0, 0.2, 1),
              box-shadow 0.2s cubic-bezier(0.4, 0, 0.2, 1),
              background-color 0.2s ease;
  animation: whatsapp-zoom-in 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.whatsapp-float:hover {
  background: #1fb457;
  transform: scale(1.08);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.35);
}

.whatsapp-float:focus-visible {
  outline: 3px solid rgba(37, 211, 102, 0.45);
  outline-offset: 3px;
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  display: block;
}

@keyframes whatsapp-zoom-in {
  from {
    transform: scale(0);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

@media (max-width: 480px) {
  .whatsapp-float {
    right: 16px;
    bottom: 16px;
    width: 52px;
    height: 52px;
  }
  .whatsapp-float svg {
    width: 28px;
    height: 28px;
  }
}

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