/* Farben lokal statt von esm.sh: keine Besucher-IP an Dritte.
   Werte angelehnt an Radix Colors slate und blue. */
:root {
  color-scheme: light dark;
  --bg: #fcfcfd;
  --bg-soft: #f0f0f3;
  --line: #d9d9e0;
  --text: #1c2024;
  --text-soft: #60646c;
  --accent: #0d74ce;
  --accent-bg: #e6f4fe;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111113;
    --bg-soft: #1e1f24;
    --line: #363a3f;
    --text: #edeef0;
    --text-soft: #b0b4ba;
    --accent: #70b8ff;
    --accent-bg: #0d2847;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, sans-serif;
  font-size: 18px;
  line-height: 1.6;
  background: var(--bg);
  color: var(--text);
}

a { color: var(--accent); }

.container {
  max-width: 48rem;
  margin: 0 auto;
  padding: 0 16px;
}

header {
  border-bottom: 1px solid var(--line);
  padding: 2.5rem 0 2rem;
}

header h1 { margin: 0; font-size: 2rem; }
header p { margin: .25rem 0 0; color: var(--text-soft); }

main section { padding: 2rem 0; border-bottom: 1px solid var(--line); }
main section:last-child { border-bottom: 0; }

h2 { font-size: 1.35rem; margin: 0 0 .75rem; }
h3 { font-size: 1.05rem; margin: 0 0 .25rem; }

.doors {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(16rem, 1fr));
  gap: 1rem;
}

.door {
  display: block;
  padding: 1.25rem;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: inherit;
  text-decoration: none;
}

.door:hover, .door:focus-visible { border-color: var(--accent); }
.door strong { display: block; margin-bottom: .25rem; }
.door span { color: var(--text-soft); font-size: .95rem; }

.frage {
  margin: 1rem 0;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--accent);
  background: var(--accent-bg);
  font-size: 1.1rem;
}

.cta {
  display: inline-block;
  padding: .6rem 1.1rem;
  background: var(--accent);
  color: var(--bg);
  text-decoration: none;
  font-weight: 600;
}

.beleg { margin: 0 0 1.5rem; }
.beleg p { margin: 0; color: var(--text-soft); }

ul.links { padding-left: 1.2rem; }

footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2.5rem;
  color: var(--text-soft);
  font-size: .9rem;
}