:root {
  --paper: #f5f6f8;
  --ink: #1c262e;
  --muted: #5a6975;
  --rule: #cfd6dc;
  --link: #0b6b5d;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12171b;
    --ink: #e8edf0;
    --muted: #9aa8b3;
    --rule: #2c373f;
    --link: #6fd1bf;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 3rem 1rem 4rem;
}
.kicker {
  margin: 0 0 0.5rem;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.kicker a { color: inherit; }
h1 {
  margin: 0 0 0.75rem;
  font-size: 2.25rem;
  line-height: 1.15;
  letter-spacing: -0.01em;
}
h2 {
  margin: 2.25rem 0 0.5rem;
  font-size: 1.2rem;
}
.lead {
  margin: 0;
  color: var(--muted);
  font-size: 1.15rem;
}
p { margin: 0.75rem 0; }
ul { margin: 0.75rem 0; padding-left: 1.25rem; }
li { margin: 0.4rem 0; }
a { color: var(--link); text-underline-offset: 0.15em; }
code {
  font: 0.9em ui-monospace, SFMono-Regular, Consolas, monospace;
  overflow-wrap: anywhere;
}
footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.95rem;
}
footer a { margin-right: 0.25rem; }