/* Shared styles for kq42.de (home, Impressum, Datenschutz). Self-hosted, no web fonts. */
:root {
  --bg: #fbfbfa;
  --fg: #1f2328;
  --muted: #5d6470;
  --line: #e3e5e8;
  --card: #ffffff;
  --accent: #2f6fdb;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1d21;
    --fg: #e6e8eb;
    --muted: #a0a7b2;
    --line: #33373d;
    --card: #23262b;
    --accent: #5b94f0;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-underline-offset: 2px; }

.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }

/* Top bar: wordmark left, language switch right */
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.wordmark { font-weight: 800; letter-spacing: 0.04em; text-decoration: none; color: var(--fg); font-size: 1.1rem; }

.langswitch { display: inline-flex; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; }
.langswitch button {
  font: inherit; font-size: 0.85rem; font-weight: 600; padding: 4px 12px;
  border: 0; background: var(--card); color: var(--muted); cursor: pointer;
}
.langswitch button[aria-pressed="true"] { background: var(--fg); color: var(--bg); }

/* Bilingual content: both languages are in the page, the switch hides one.
   Without JavaScript the <html data-lang> default (German) applies. */
html[data-lang="de"] .l-en,
html[data-lang="en"] .l-de { display: none !important; }

h1 { font-size: 2rem; line-height: 1.2; margin: 32px 0 16px; letter-spacing: -0.01em; }
h2 { font-size: 1.2rem; margin: 36px 0 8px; }
h3 { font-size: 1rem; margin: 24px 0 4px; }
p, ul { margin: 0 0 12px; }
address { font-style: normal; }
.muted { color: var(--muted); }

/* Business card on the home page */
.card {
  margin: 12vh auto 0; max-width: 480px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 36px 32px;
}
.card .logo { font-size: 2.6rem; font-weight: 800; letter-spacing: 0.04em; margin: 0; line-height: 1; }
.card .tagline { color: var(--muted); margin: 8px 0 24px; }
.card dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; }
.card dt { color: var(--muted); }
.card dd { margin: 0; }

footer {
  margin-top: 64px; padding: 20px 0 40px;
  border-top: 1px solid var(--line); color: var(--muted); font-size: 0.9rem;
  display: flex; flex-wrap: wrap; gap: 8px 20px;
}
footer a { color: var(--muted); }

@media (max-width: 520px) {
  h1 { font-size: 1.6rem; }
  .card { margin-top: 32px; padding: 28px 20px; }
  .card dl { grid-template-columns: 1fr; gap: 0; }
  .card dd { margin-bottom: 8px; }
}