.sticky-appointment-btn {
  position: fixed;
  bottom: 220px;
  right: 20px;
  background: #e75480; /* pink like clinic theme */
  color: #fff;
  padding: 14px 22px;
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  z-index: 9999;
}

/* Mobile */
@media (max-width: 768px) {
  .sticky-appointment-btn {
    bottom: 385px;
    right: 15px;
    padding: 12px 18px;
    font-size: 14px;
  }
}