.floating-call-btn {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #25d366, #128c7e);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
  z-index: 1000;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.3s ease;
  cursor: pointer;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.floating-call-btn:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.5);
}

.floating-call-btn:active {
  transform: scale(0.95);
}

.floating-call-btn.hidden {
  opacity: 0;
  visibility: hidden;
}

@media (min-width: 768px) {
  .floating-call-btn {
    display: none;
  }
}