:root {
  --bg: #ffffff;
  --text: #222;
  --muted: #555;
  --band: #f3f8ff;
  --border: rgba(0,0,0,.08);
  --radius: 16px;
  --gap: 20px;
}

/* Grundlayout */
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

/* Logo oben, 200px breit, zentriert */
.logo {
  display: block;
  text-align: center;
  padding: 32px 0 16px;
}
.logo img {
  width: 200px;
  height: auto;
  display: inline-block;
}

/* Banderole */
.band {
  width: 100%;
  background: var(--band);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 28px 16px;
}
.container {
  width: min(1100px, 100%);
  margin: 0 auto;
}
.grid {
  display: grid;
  gap: var(--gap);
  grid-template-columns: 1fr;
}
@media (min-width: 600px) {
  .grid { grid-template-columns: 1fr 1fr; }
}

/* Karten */
.card {
  display: block;
  text-decoration: none;
  color: inherit;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .2s ease;
}
.card:hover,
.card:focus-within {
  transform: translateY(-2px);
}
.card img {
  width: 100%;
  height: auto;
  display: block;
}
.card p {
  margin: 0;
  padding: 12px;
  text-align: center;
  color: var(--muted);
  line-height: 1.4;
}

/* Zusatztext unterhalb der Karten */
.about {
  width: min(900px, 100%);
  margin: 28px auto 0;
  text-align: center;
  color: var(--text);
  line-height: 1.5;
}

/* Footer */
footer {
  width: min(1100px, 100%);
  margin: 24px auto 40px;
  padding: 0 24px;
  text-align: center;
  color: var(--muted);
  font-size: .95rem;
}
footer a {
  color: inherit;
  text-decoration: underline;
}