:root { color-scheme: light dark; --ink: #1c1c1e; --dim: #6b6b70; --rule: #e3e3e6; --bg: #fbfbf9; --accent: #3E7C4A; }
@media (prefers-color-scheme: dark) {
  :root { --ink: #f2f2f0; --dim: #9b9ba0; --rule: #2e2e32; --bg: #141416; --accent: #7fb089; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  -webkit-text-size-adjust: 100%; }
main { max-width: 42rem; margin: 0 auto; padding: 3rem 1.25rem 5rem; }
header { border-bottom: 1px solid var(--rule); margin-bottom: 2.5rem; padding-bottom: 1.25rem; }
header a { color: var(--accent); text-decoration: none; font-weight: 600; }
h1 { font-size: 1.9rem; line-height: 1.2; margin: 0 0 .5rem; letter-spacing: -0.01em; }
h2 { font-size: 1.15rem; margin: 2.25rem 0 .5rem; letter-spacing: -0.005em; }
p, li { color: var(--ink); }
.lede, .updated { color: var(--dim); }
.updated { font-size: .9rem; margin-top: 0; }
ul { padding-left: 1.2rem; }
li { margin: .35rem 0; }
a { color: var(--accent); }
footer { margin-top: 3.5rem; padding-top: 1.25rem; border-top: 1px solid var(--rule); color: var(--dim); font-size: .9rem; }
footer a { margin-right: 1rem; }