/* ===== Bouton WhatsApp Fixe ===== */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background: #25D366;
  color: white;
  width: 55px;
  height: 55px;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 28px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
  z-index: 9999;
  transition: all 0.3s ease;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background: #1EBE57;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.3);
}

/* Effet de pulsation subtile */
.whatsapp-float::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(37, 211, 102, 0.4);
  border-radius: 50%;
  z-index: -1;
  animation: pulse 1.8s infinite ease-out;
}

@keyframes pulse {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(1.7); opacity: 0; }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .whatsapp-float {
    width: 48px;
    height: 48px;
    font-size: 24px;
    bottom: 20px;
    right: 20px;
  }
}

@media (max-width: 480px) {
  .whatsapp-float {
    width: 50px;
    height: 50px;
    font-size: 22px;
    bottom: 15px;
    right: 15px;
  }
}