/* WhatsApp floating contact button */
.whatsapp-float {
  position: fixed;
  bottom: 16px;
  right: 16px;
  width: 56px;
  height: 56px;
  background-color: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.28), 0 2px 6px rgba(37, 211, 102, 0.3);
  z-index: 1000;
  text-decoration: none;
  animation: wa-pulse 0.9s ease-in-out 3;
  animation-delay: 1.2s;
  animation-fill-mode: backwards;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.whatsapp-float:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3), 0 4px 10px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
  width: 31px;
  height: 31px;
  fill: #ffffff;
  display: block;
}

@keyframes wa-pulse {
  0%   { transform: scale(1);    box-shadow: 0 4px 14px rgba(0,0,0,.28), 0 2px 6px rgba(37,211,102,.3); }
  50%  { transform: scale(1.14); box-shadow: 0 6px 22px rgba(0,0,0,.28), 0 0 0 8px rgba(37,211,102,.15); }
  100% { transform: scale(1);    box-shadow: 0 4px 14px rgba(0,0,0,.28), 0 2px 6px rgba(37,211,102,.3); }
}

@media (min-width: 768px) {
  .whatsapp-float {
    width: 60px;
    height: 60px;
  }
  .whatsapp-float svg {
    width: 33px;
    height: 33px;
  }
}