.button {
  display: inline-block;
width: auto;
max-width: fit-content;
white-space: nowrap;

  margin: 20px 10px 0;
  padding: 12px 24px;

  font-family: "Julius Sans One", system-ui, sans-serif;
  font-size: 0.95em;
  letter-spacing: 1px;
  text-transform: uppercase;

  color: #f0f0f0;
  text-decoration: none;

  background: rgba(0, 0, 0, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 10px;

  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);

  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.05),
    0 6px 18px rgba(0,0,0,0.6);

  transition:
    transform 0.15s ease,
    background 0.15s ease,
    border-color 0.15s ease,
    box-shadow 0.15s ease;


}

.button:hover {
  background: rgba(0, 0, 0, 0.75);
  border-color: rgba(255, 255, 255, 0.6);
  transform: translateY(-1px);

  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.1),
    0 10px 24px rgba(0,0,0,0.75);
}

.button:active {
  transform: translateY(0);
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,0.15),
    0 4px 10px rgba(0,0,0,0.7);
}
.button-group{
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;        /* distanza tra i bottoni */
  margin: 28px 0 40px;
}