/* ===== Floating WhatsApp Button ===== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  animation: pulse-green 2.5s infinite;
  transition: transform .25s ease;
}
.whatsapp-float:hover { transform: scale(1.08); }
.whatsapp-float img { width: 28px; height: 28px; }

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5); }
  50%      { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.8); }
}

@media (max-width: 480px) {
  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 18px;
    right: 18px;
    font-size: 22px;
  }
}

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