:root {
  --accent: #e64f2e;
  --ink: #171419;
  --paper: #fff8e7;
  --muted: #5d5660;
  --card: #ffffff;
  --border: #171419;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #f4efe6; --paper: #17141a; --muted: #b9b0ba; --card: #221e25; --border: #3a343d; }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main { max-width: 720px; margin: 0 auto; padding: 40px 16px 64px; }
header { display: flex; align-items: center; gap: 16px; margin-bottom: 32px; }
header img { width: 72px; height: 72px; border-radius: 16px; box-shadow: 0 4px 12px rgba(0,0,0,.2); }
header a { color: inherit; text-decoration: none; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0; }
h2 { font-size: 1.25rem; margin-top: 2rem; }
p.lead { font-size: 1.15rem; color: var(--muted); margin-top: 4px; }
a { color: var(--accent); }
.card { background: var(--card); border: 3px solid var(--border); border-radius: 12px; padding: 16px 20px; margin: 16px 0; box-shadow: 5px 5px 0 var(--accent); }
nav { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 40px; font-size: .95rem; }
footer { margin-top: 48px; color: var(--muted); font-size: .9rem; }
ul { padding-left: 1.2em; }