html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #B82522;
  font-family: 'Georgia', serif;
}
img {
  max-width: 70vw;
  height: auto;
  display: block;
}
.intro {
  color: #F5EFE6;
  font-size: 1.3rem;
  text-align: center;
  margin: 1.5rem 0 0;
  max-width: 85vw;
  line-height: 1.6;
  background: rgba(0, 0, 0, 0.15);
  padding: 1rem 1.2rem;
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.3);
}
footer {
  color: #F5EFE6;
  font-size: 1rem;
  text-align: center;
  margin-top: 2.5rem;
  margin-bottom: 1.2rem;
  opacity: 0.7;
}