body {
  font-family: 'Ubuntu', sans-serif;
  background: #f8f9fa;
  color: #222;
}

.container {
  background: #fff;
  padding: 2rem;
  border-radius: 6px;
  box-shadow: 0 0 10px rgba(0,0,0,0.7);
}

h1, h3 {
  color: #2c3e50;
}

/* step-by-step reveal */
.hidden { display: none; }

.logo-img {
  max-width: 250px;   /* regola la dimensione */
  height: auto;
}

.navbar-brand span {
  font-size: 1.2rem; /* titolo */
  text-decoration: underline;
  line-height: 1.2;
}

.navbar-brand small {
  font-size: 0.75rem; /* sottotitolo */
  line-height: 1.2;
}

.navbar-custom {
  background-color: #2a2de2; /* Celeste */
}

.navbar-custom .nav-link,
.navbar-custom .navbar-brand {
  color: #fff; /* testo bianco per contrasto */
}

.navbar-custom .nav-link:hover {
  color: #1d1c1c; /* scurito al passaggio */
}