.whatsapp-float {
  position: fixed;
  bottom: 100px;
  right: 24px;
  z-index: 9998;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.whatsapp-btn {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #25d366;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.6rem;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: var(--transition-base);
  position: relative;
  animation: whatsappPulse 2s ease-in-out infinite;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
}

.whatsapp-tooltip {
  background: rgba(10, 14, 26, 0.9);
  backdrop-filter: blur(8px);
  color: var(--text-primary);
  font-size: 0.72rem;
  padding: 6px 12px;
  border-radius: 6px;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(4px);
  transition: var(--transition-base);
  pointer-events: none;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

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

@keyframes whatsappPulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7); }
}

/* WhatsApp in contact section */
.whatsapp-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 50px;
  background: #25d366;
  color: #fff;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition-base);
  border: none;
  margin-top: 8px;
}

.whatsapp-contact-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.4);
  color: #fff;
}

@media (max-width: 768px) {
  .whatsapp-float { bottom: 80px; right: 16px; }
  .whatsapp-btn { width: 48px; height: 48px; font-size: 1.3rem; }
}