/* ─── WHATSAPP FLOTANTE ──────────────────────────── */
.wa-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 300;
  width: 56px; height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(37,211,102,0.38);
  transition: transform 0.22s, box-shadow 0.22s;
  animation: waPop 0.5s cubic-bezier(0.34,1.56,0.64,1) 1.2s both;
}
.wa-float:hover { transform: scale(1.1); box-shadow: 0 10px 30px rgba(37,211,102,0.48); }
.wa-float svg   { width: 28px; height: 28px; fill: white; }

.wa-tooltip {
  position: fixed;
  bottom: 96px; right: 28px;
  z-index: 300;
  background: var(--dark);
  color: white;
  font-size: 0.77rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
.wa-tooltip::after {
  content: '';
  position: absolute;
  bottom: -5px; right: 22px;
  width: 10px; height: 10px;
  background: var(--dark);
  transform: rotate(45deg);
}
.wa-float:hover + .wa-tooltip { opacity: 1; transform: translateY(0); }

/* ─── RESPONSIVE ─────────────────────────────────── */
@media (max-width: 768px) {
  .wa-float   { bottom: 20px; right: 20px; }
  .wa-tooltip { right: 20px; }
}