/* =========================================================
   Dom Diego · WhatsApp FAB · DS v5
   Botão flutuante simples com logo oficial do WhatsApp
   ========================================================= */

.dd-wpp-fab-btn {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 150;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25D366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35),
              0 2px 6px rgba(37, 211, 102, 0.25);
  text-decoration: none;
  transition: transform 180ms cubic-bezier(.2,.7,.2,1),
              box-shadow 180ms ease;
  animation: dd-wpp-pulse 2.4s ease-in-out infinite;
}
.dd-wpp-fab-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 10px 28px rgba(37, 211, 102, 0.45),
              0 3px 8px rgba(37, 211, 102, 0.3);
  animation: none;
}
.dd-wpp-fab-btn:active { transform: scale(0.96); }

@keyframes dd-wpp-pulse {
  0%, 100% { box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35), 0 0 0 0 rgba(37, 211, 102, 0.45); }
  50%      { box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4),  0 0 0 12px rgba(37, 211, 102, 0); }
}

/* Mobile · sobe automaticamente acima do bottom-nav */
@media (max-width: 900px) {
  .dd-wpp-fab-btn {
    right: 16px;
    bottom: calc(76px + env(safe-area-inset-bottom, 0px));
    width: 52px;
    height: 52px;
  }
  .dd-wpp-fab-btn svg { width: 28px; height: 28px; }
}