:root {
  --bg: #ffffff;
  --cream: #fbf8ee;
  --ink: #14201b;
  --green: #0f4c3a;
  --muted: #66716b;
  --line: #e4e7e3;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Archivo, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
  font-size: 16px;
}
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}
header.top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 28px;
}
.wordmark { font-weight: 800; color: var(--green); text-decoration: none; font-size: 15px; letter-spacing: -0.02em; }
nav a { color: var(--green); font-weight: 600; text-decoration: none; margin-left: 16px; font-size: 14px; }
h1 { font-size: 34px; font-weight: 800; letter-spacing: -0.02em; line-height: 1.1; margin: 0 0 6px; }
.updated { color: var(--muted); font-size: 14px; margin: 0 0 28px; }
h2 { font-size: 20px; font-weight: 700; margin: 32px 0 8px; }
h3 { font-size: 16px; font-weight: 700; margin: 20px 0 6px; }
p, li { font-size: 16px; }
ul { padding-left: 22px; }
li { margin-bottom: 6px; }
.callout {
  background: var(--cream);
  border-radius: 12px;
  padding: 14px 16px;
  margin: 16px 0;
}
a { color: var(--green); }
footer { margin-top: 48px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.cards { display: grid; gap: 12px; margin-top: 24px; }
.card { border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.card a { font-weight: 700; text-decoration: none; font-size: 18px; }
.card p { margin: 6px 0 0; color: var(--muted); }