/* ============================================
   WhatsApp Floating Button
   ============================================ */

.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-whatsapp);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-3);
}

.whatsapp-float__tooltip {
  background: var(--color-surface);
  color: var(--color-text-heading);
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-border);
  max-width: 240px;
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--transition-base);
  pointer-events: none;
}

.whatsapp-float:hover .whatsapp-float__tooltip {
  opacity: 1;
  transform: translateY(0);
}

.whatsapp-float__btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  transition: all var(--transition-base);
  position: relative;
}

.whatsapp-float__btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.whatsapp-float__btn svg {
  width: 28px;
  height: 28px;
  color: white;
}

/* Pulse animation */
.whatsapp-float__btn::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 50%;
  border: 2px solid #25D366;
  animation: whatsappPulse 2s ease-in-out infinite;
}

@keyframes whatsappPulse {
  0% { transform: scale(1); opacity: 0.6; }
  50% { transform: scale(1.15); opacity: 0; }
  100% { transform: scale(1); opacity: 0; }
}