:root {
  --ink: #1d2a3a; --muted: #6b7686; --paper: #f7f4ee; --card: #ffffff;
  --sage: #5f8a72; --sage-wash: #e7efe9; --line: #e6e1d6;
  --serif: "Iowan Old Style", "Palatino Linotype", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --ink: #ece8df; --muted: #a5adb8; --paper: #151c25; --card: #1e2733; --sage-wash: #22342b; --line: #2c3644; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 17px/1.6 var(--sans); }
main { max-width: 720px; margin: 0 auto; padding: 40px 20px 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font: 600 18px var(--serif); color: var(--ink); text-decoration: none; }
.mark { display: inline-grid; place-items: center; width: 32px; height: 32px; border-radius: 9px; background: linear-gradient(180deg, #e0464f, #a8202c); color: #fff; font-size: 16px; }
h1 { font: 600 clamp(28px, 6vw, 40px)/1.15 var(--serif); margin: 28px 0 12px; }
h2 { font: 600 24px var(--serif); margin: 40px 0 8px; }
h3 { font-size: 17px; margin: 28px 0 4px; }
.lede { font-size: 19px; color: var(--muted); }
.muted { color: var(--muted); font-size: 15px; }
.callout { background: var(--sage-wash); border-left: 4px solid var(--sage); border-radius: 0 12px 12px 0; padding: 16px 18px; margin: 24px 0; }
a { color: var(--sage); }
li + li { margin-top: 6px; }
footer { margin-top: 56px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }