/* Floating WhatsApp — pulse + tooltip */
.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: whatsapp-pulse 2.4s ease-in-out infinite;
}
@keyframes whatsapp-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.45); }
  50% { box-shadow: 0 4px 28px rgba(37, 211, 102, 0.75); transform: scale(1.03); }
}
.whatsapp-float:focus-visible {
  outline: 3px solid #fff;
  outline-offset: 3px;
}
.whatsapp-tooltip {
  position: absolute;
  right: 72px;
  bottom: 50%;
  transform: translateY(50%);
  background: #1c1c1e;
  color: #fff;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s;
  box-shadow: var(--shadow-md);
}
.whatsapp-float:hover .whatsapp-tooltip,
.whatsapp-float:focus-visible .whatsapp-tooltip {
  opacity: 1;
}
@media (max-width: 576px) {
  .whatsapp-tooltip {
    display: none;
  }
}