/* The logo is drawn for a light background, so the card stays light in
   both colour schemes; only the page around it darkens. */
:root {
  --bg: #f6f1e7;
  --card: #fffdf8;
  --ink: #4d0d0d;
  --muted: #6b675b;
  --line: #e4dccb;
  --footer: #6b675b;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1d17;
    --line: #353a2c;
    --footer: #a9a493;
  }
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  padding: 24px 16px;
  background: var(--bg);
  color: var(--ink);
  font-family: Georgia, "Iowan Old Style", "Times New Roman", serif;
  line-height: 1.5;
}

.card {
  width: 100%;
  max-width: 520px;
  padding: 40px 32px;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
}

h1 { margin: 0 0 20px; font-size: 1.6rem; }

.logo {
  display: block;
  width: min(100%, 340px);
  height: auto;
  margin: 0 auto;
}

.lead { margin: 0 0 8px; font-size: 1.15rem; }

.note { margin: 0; color: var(--muted); }

footer { color: var(--footer); font-size: 0.9rem; }