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;
}