:root {
  --canvas: #0d1117;
  --surface: #161b22;
  --text: #e6edf3;
  --text-strong: #f0f6fc;
  --muted: #8b949e;
  --brand-ink: #7ee787;
  --border: #30363d;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 1.05rem;
  line-height: 1.5;
}

main {
  max-width: 68rem;
  margin: 0 auto;
  padding: 1.6rem 1.25rem 3rem;
}

h1 {
  color: var(--text-strong);
  font-size: 1.7rem;
  font-weight: 650;
  margin: 0 0 0.4rem;
}

.lead { margin: 0 0 1.4rem; }

figure {
  margin: 1.5rem 0 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

figure img {
  display: block;
  width: 100%;
  height: auto;
}

figcaption {
  padding: 0.55rem 0.9rem 0.7rem;
  color: var(--muted);
}

.hinweis {
  color: var(--text-strong);
  margin: 0.4rem 0 0;
}

footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
}

footer div {
  max-width: 68rem;
  margin: 0 auto;
  padding: 1rem 1.25rem 1.4rem;
}