:root {
  --bg: #faf8f4;
  --surface: #ffffff;
  --ink: #23252a;
  --muted: #5f636b;
  --accent: #8a5a8c;
  --accent-ink: #ffffff;
  --line: #e6e2da;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1b1c20;
    --surface: #25262b;
    --ink: #ecebe8;
    --muted: #a7a9ae;
    --accent: #c39ac5;
    --accent-ink: #22152a;
    --line: #34363c;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 48px 16px 32px; }
header.hero { text-align: center; }

h1 { font-size: 2.2rem; line-height: 1.2; margin: 20px 0 8px; }
h2 { font-size: 1.25rem; margin: 32px 0 8px; }
.lede { color: var(--muted); font-size: 1.1rem; margin: 0 auto; max-width: 32em; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 20px; margin-top: 28px; }
a { color: var(--accent); }
.button { display: inline-block; background: var(--accent); color: var(--accent-ink); text-decoration: none; padding: 10px 18px; border-radius: 999px; font-weight: 600; }
footer { max-width: 680px; margin: 0 auto; padding: 16px 16px 40px; color: var(--muted); font-size: .9rem; text-align: center; }
footer nav a { margin: 0 8px; }