body {
  margin: 0;
  font-family: "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: #333;
  text-align: center;
  background: #fff;
}

.hero-image {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.content {
  padding: 1.5rem;
}

.age-check img {
  max-width: 200px;
  margin: 1rem auto;
  display: block;
}

.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  margin: 0.5rem;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
}

.btn-yes {
  background: #d32f2f;
  color: #fff;
}

.btn-no {
  background: #999;
  color: #fff;
}

.site-footer {
  font-size: 0.85rem;
  padding: 1rem;
  background: #f5f5f5;
  margin-top: 2rem;
}