* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: #222;
  background: #fafafa;
  text-align: center;
}

header, main, footer {
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

section {
  margin-bottom: 2.5rem;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 0 auto;
}

.bild-gross {
  width: 100%;
  max-width: 700px;
  border-radius: 8px;
}

.galerie {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

.galerie img {
  width: 250px;
  border-radius: 8px;
}

footer {
  color: #777;
  font-size: 0.9rem;
  border-top: 1px solid #ddd;
}