:root {
  --bg: #F7F2E8;
  --card: #FAF5EA;
  --ink: #1A1B18;
  --muted: #5C5F58;
  --green: #1E5B49;
  --line: rgba(30, 91, 73, 0.18);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 48px 22px 96px; }
.brand { display: flex; align-items: baseline; gap: 8px; margin-bottom: 40px; }
.brand .keep { font-size: 26px; font-weight: 800; letter-spacing: -0.6px; color: var(--green); }
.brand .photo { font-size: 12px; letter-spacing: 2.4px; color: var(--green); font-weight: 600; }
h1 { font-size: 30px; line-height: 1.25; margin: 0 0 6px; letter-spacing: -0.6px; }
h2 { font-size: 19px; margin: 40px 0 10px; color: var(--green); letter-spacing: -0.2px; }
h3 { font-size: 16px; margin: 24px 0 6px; }
p, li { color: var(--ink); }
p { margin: 0 0 12px; }
ul { margin: 0 0 14px; padding-left: 22px; }
li { margin-bottom: 6px; }
.meta { color: var(--muted); font-size: 14px; margin-bottom: 32px; }
.muted { color: var(--muted); }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 18px 20px; margin: 0 0 20px;
}
.tldr { background: rgba(220, 233, 226, 0.6); border-color: rgba(30, 91, 73, 0.22); }
a { color: var(--green); text-decoration: none; border-bottom: 1px solid rgba(30, 91, 73, 0.35); }
a:hover { border-bottom-color: var(--green); }
footer { margin-top: 56px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
code { font-size: 14px; background: rgba(30, 91, 73, 0.08); padding: 1px 5px; border-radius: 4px; }
@media (max-width: 520px) { h1 { font-size: 25px; } .wrap { padding: 36px 18px 72px; } }