:root {
  color-scheme: light;
  --ink: #252a24;
  --muted: #626960;
  --green: #294d34;
  --line: #d8dbd3;
  --paper: #ffffff;
  --ground: #f4f3ed;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.65;
  color: var(--ink);
  background: var(--ground);
}

main {
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 20px 64px;
}

h1, h2, h3 { color: var(--green); line-height: 1.25; }
h1 { margin: 0 0 8px; font-size: clamp(2rem, 6vw, 3rem); }
h2 { margin-top: 42px; padding-top: 28px; border-top: 1px solid var(--line); }
h3 { margin-top: 28px; }
p, ul { margin: 0 0 18px; }
.updated, .eyebrow { color: var(--muted); }
.eyebrow { margin-bottom: 10px; font-size: 0.82rem; font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; }

nav { display: flex; flex-wrap: wrap; gap: 10px; margin: 28px 0; }
a { color: #1d6335; }
.button, .card {
  display: block;
  color: var(--green);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  text-decoration: none;
}
.button { padding: 9px 14px; font-weight: 700; }
.cards { display: grid; gap: 16px; margin: 30px 0; }
.card { padding: 22px; font-weight: 750; }
.card span { display: block; margin-top: 5px; color: var(--muted); font-weight: 400; }
.button:hover, .button:focus, .card:hover, .card:focus { border-color: #5d7f65; background: #fbfcf8; }
code { overflow-wrap: anywhere; }
footer { margin-top: 42px; padding-top: 22px; border-top: 1px solid var(--line); color: var(--muted); }

@media (min-width: 660px) {
  .cards { grid-template-columns: 1fr 1fr; }
}