#age-verification-popup {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0.9);
  display: none; /* nascosto di default */
  align-items: center;
  justify-content: center;
  z-index: 9999;
}
.popup-inner {
  background: white;
  padding: 2rem;
  text-align: center;
  max-width: 500px;
  border-radius: 10px;
}
.popup-inner button {
  margin: 1rem 0.5rem;
  padding: 0.5rem 1rem;
}