.lazy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  background-color: #0073aa;
  color: #fff;
  text-decoration: none;
  border: none;
  border-radius: 6px;
  font-size: 26px;
  font-weight: 600;
  box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  transition: background-color 0.3s ease, transform 0.2s ease;
}
.lazy-btn:hover {
  background-color: #005177;
  transform: translateY(-2px);
}
.lazy-btn i {
  font-size: 1em;
}
.lazy-btn.rosso { background-color: #d63638; }
.lazy-btn.verde { background-color: #46b450; }
.lazy-btn.grigio { background-color: #555d66; }