body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #1f1f1f;
  color: white;
}
.hero-img {
  width: 100%;
  display: block;
}
.nav {
  background-color: #333;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  padding: 15px;
}
.nav a {
  color: orange;
  text-decoration: none;
  font-weight: bold;
  font-size: 1rem;
}
.content {
  padding: 30px;
  background-color: #2a2a2a;
}
footer {
  background-color: #111;
  text-align: center;
  padding: 20px;
  font-size: 0.9rem;
}
.qr {
  width: 80px;
  margin-top: 10px;
}


/* === Sezioni Preventivo - Pulsanti e Layout === */

.sezione-preventivi {
  background-color: #f9f9f9;
  padding: 2em 1em;
  text-align: center;
  border-bottom: 1px solid #ddd;
}
.titolo-preventivi {
  font-size: 1.8em;
  color: #333;
  margin-bottom: 1em;
}
.bottoni-preventivo {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1em;
}
.bottoni-preventivo .btn {
  padding: 0.75em 1.5em;
  border: none;
  border-radius: 5px;
  font-size: 1em;
  color: white;
  text-decoration: none;
  transition: background-color 0.3s ease;
}
.preventivo-arancio {
  background-color: #f4a261;
}
.preventivo-arancio:hover {
  background-color: #e76f51;
}
.preventivo-verde {
  background-color: #2a9d8f;
}
.preventivo-verde:hover {
  background-color: #21867a;
}
.preventivo-grigio {
  background-color: #6c757d;
}
.preventivo-grigio:hover {
  background-color: #5a6268;
}

/* === Blocchi espandibili Preventivo === */
.blocco-preventivo {
  border-left: 10px solid #ccc;
  background: #fff;
  padding: 1em 2em;
  margin: 2em auto;
  max-width: 700px;
  border-radius: 6px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
  color: #333;
}
.bandina-arancio {
  border-left-color: #f4a261;
}
.bandina-verde {
  border-left-color: #2a9d8f;
}