:root {
  --bg: #ffffff;
  --surface: #f3f6fd;
  --text: #1b2230;
  --muted: #566074;
  --accent: #2f6fed;
  --accent-text: #ffffff;
  --border: #dbe3f3;
}

/* Ohne Auswahl folgt die Seite dem System; theme.js setzt data-theme, sobald jemand umschaltet. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1420;
    --surface: #171e2e;
    --text: #e6eaf4;
    --muted: #9aa5bd;
    --accent: #6c9bff;
    --accent-text: #0f1420;
    --border: #28324a;
  }
}

:root[data-theme="dark"] {
  --bg: #0f1420;
  --surface: #171e2e;
  --text: #e6eaf4;
  --muted: #9aa5bd;
  --accent: #6c9bff;
  --accent-text: #0f1420;
  --border: #28324a;
}

:root {
  color-scheme: light dark;
}

:root[data-theme="light"] {
  color-scheme: light;
}

:root[data-theme="dark"] {
  color-scheme: dark;
}

.theme-toggle {
  padding: 2px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

.wrap {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 16px;
}

header.site {
  border-bottom: 1px solid var(--border);
}

header.site .wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 56px;
  flex-wrap: wrap;
}

header.site a.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

header.site img {
  width: 28px;
  height: 28px;
  border-radius: 6px;
}

header.site nav {
  margin-left: auto;
  display: flex;
  gap: 16px;
  font-size: 15px;
}

.hero {
  padding: 48px 0 24px;
  text-align: center;
}

.hero img {
  width: 96px;
  height: 96px;
  border-radius: 22px;
}

.hero h1 {
  margin: 16px 0 8px;
  font-size: 2.2rem;
  line-height: 1.2;
}

.hero p {
  margin: 0 auto;
  max-width: 34em;
  color: var(--muted);
  font-size: 1.1rem;
}

.buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 24px 0 8px;
}

.button {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-text);
  font-weight: 600;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
}

section {
  padding: 24px 0;
}

h2 {
  margin: 0 0 12px;
  font-size: 1.4rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 16px;
}

.card h3 {
  margin: 0 0 6px;
  font-size: 1.05rem;
}

.card p,
.card ul {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.card ul {
  padding-left: 1.1em;
}

.note {
  color: var(--muted);
  font-size: 0.92rem;
}

main.text {
  padding: 32px 0 48px;
}

main.text h1 {
  margin-top: 0;
}

main.text h2 {
  margin-top: 32px;
}

main.text table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0;
  font-size: 0.95rem;
}

main.text th,
main.text td {
  text-align: left;
  vertical-align: top;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}

footer.site {
  border-top: 1px solid var(--border);
  padding: 20px 0 32px;
  color: var(--muted);
  font-size: 0.92rem;
}

footer.site .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
}

.lang {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 999px;
  overflow: hidden;
}

.lang a {
  padding: 2px 10px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}

.lang a[aria-current="page"] {
  background: var(--accent);
  color: var(--accent-text);
}