html, body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

/* Hero Section senza overlay */
.hero-section {
  background-image: url('../images/hero-bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

/* Riquadro contenitore con sfondo semi-trasparente e bordi arrotondati */
.content-box {
  background-color: rgba(0, 0, 0, 0.5);
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  position: relative; /* fondamentale */
  z-index: 2; /* aumentato a 2 per sicurezza */
}

.icon-box {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 80px;
  width: 80px;
  background-color: rgba(13, 110, 253, 0.1); /* leggero sfondo blu */
  border-radius: 50%; /* icone arrotondate */
  margin-bottom: 15px;
}

.icon-box i {
  color: #0d6efd; /* colore primario di Bootstrap */
}