:root { --bg:#fdfdfc; --fg:#1d1d1f; --muted:#6b6b70; --rule:#e3e3e0; --link:#1f5fbf; color-scheme: light; }
@media (prefers-color-scheme: dark) {
  :root { --bg:#141416; --fg:#e8e8ea; --muted:#9a9aa0; --rule:#2c2c30; --link:#7fb0ff; color-scheme: dark; }
}
* { box-sizing: border-box; }
body { margin:0; background:var(--bg); color:var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
main { max-width: 720px; margin: 0 auto; padding: 4rem 1.25rem; }
h1 { font-size: 2.25rem; margin: 0; letter-spacing: -0.02em; }
.tagline { color: var(--muted); margin: .25rem 0 1rem; }
nav { display:flex; flex-wrap:wrap; gap: 1.25rem; }
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
section { margin-top: 2.75rem; }
h2 { font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; color: var(--muted);
  border-bottom: 1px solid var(--rule); padding-bottom: .4rem; margin: 0 0 1rem; }
article { margin-bottom: 1.5rem; }
.row { display:flex; flex-wrap:wrap; justify-content:space-between; gap:.25rem 1rem; align-items:baseline; }
h3 { font-size: 1rem; margin: 0; }
.row span, .sub { color: var(--muted); font-size: .9rem; }
.sub { margin: 0; }
p { margin: .35rem 0; }
ul { margin: .35rem 0; padding-left: 1.2rem; }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--rule); color: var(--muted); font-size: .9rem; }