:root {
  --bg: #111;
  --fg: #ddd;
  --dim: #888;
  --accent: #ffcf4a;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg); }
body {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: 16px; line-height: 1.6;
}
main { max-width: 620px; margin: 0 auto; padding: 72px 24px 80px; }
h1 { font-size: 28px; font-weight: 700; margin: 0 0 4px; letter-spacing: 0.01em; }
.sub { color: var(--dim); margin: 0 0 40px; }
p { margin: 0 0 22px; }
strong { color: var(--accent); font-weight: 700; }
a { color: var(--accent); }
.foot { color: var(--dim); margin-top: 48px; }