:root {
  --bg: #ffffff; --ink: #16161a; --muted: #6b6b76;
  --rule: #e4e4e9; --accent: #b4531f;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #101013; --ink: #ececf0; --muted: #9a9aa6;
          --rule: #2a2a31; --accent: #e08a4e; }
}
* { box-sizing: border-box; }
body {
  margin: 0; padding: 3rem 1.5rem 5rem;
  background: var(--bg); color: var(--ink);
  font: 16px/1.65 ui-sans-serif, -apple-system, "Helvetica Neue", sans-serif;
  -webkit-text-size-adjust: 100%;
}
main { max-width: 38rem; margin: 0 auto; }
.wordmark {
  font: 500 1.05rem/1 ui-monospace, "SF Mono", Menlo, monospace;
  letter-spacing: 0.42em; text-transform: lowercase;
  color: var(--ink); text-decoration: none; display: inline-block;
  margin-bottom: 2.5rem;
}
h1 { font-size: 1.6rem; line-height: 1.25; margin: 0 0 0.4rem; letter-spacing: -0.01em; }
h2 { font-size: 1.05rem; margin: 2.5rem 0 0.6rem; letter-spacing: -0.005em; }
.sub { color: var(--muted); margin: 0 0 2.5rem; }
p, li { color: var(--ink); }
a { color: var(--accent); }
ul { padding-left: 1.15rem; }
li { margin: 0.3rem 0; }
hr { border: 0; border-top: 1px solid var(--rule); margin: 3rem 0 1.5rem; }
footer { color: var(--muted); font-size: 0.875rem; }
.note {
  border-left: 2px solid var(--rule); padding: 0.1rem 0 0.1rem 1rem;
  color: var(--muted); margin: 1.5rem 0;
}
code { font: 0.9em ui-monospace, "SF Mono", Menlo, monospace; color: var(--muted); }