:root {
  color-scheme: light;
  --ink: #203128;
  --muted: #657069;
  --forest: #3e6750;
  --leaf: #7f9d78;
  --cream: #fbf7ef;
  --paper: #fffdf8;
  --line: #dedfd6;
  --warm: #d99a66;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family: Inter, ui-rounded, "SF Pro Rounded", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a { color: var(--forest); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: #294a38; }

.shell { width: min(920px, calc(100% - 32px)); margin: 0 auto; }

header {
  border-bottom: 1px solid var(--line);
  background: rgba(251,247,239,.94);
  position: sticky;
  top: 0;
  z-index: 3;
  backdrop-filter: blur(12px);
}

.nav {
  min-height: 70px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand { display: flex; align-items: center; gap: 11px; color: var(--ink); text-decoration: none; font-weight: 780; }
.mark { width: 34px; height: 34px; border-radius: 12px 12px 12px 4px; background: var(--forest); position: relative; box-shadow: inset -8px -8px 0 rgba(255,255,255,.08); }
.mark::after { content: "10"; color: white; position: absolute; inset: 0; display: grid; place-items: center; font-size: 13px; font-weight: 850; }
.links { display: flex; gap: 18px; flex-wrap: wrap; font-size: 14px; }

main { padding: 72px 0 88px; }
.hero { padding: 28px 0 52px; display: grid; grid-template-columns: 1fr .6fr; gap: 38px; align-items: end; }
.eyebrow { color: var(--forest); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
h1 { font-size: clamp(42px, 8vw, 74px); line-height: .98; letter-spacing: -.045em; margin: 13px 0 22px; max-width: 720px; }
.lede { color: var(--muted); font-size: 19px; max-width: 660px; }
.note { background: #edf2e8; border: 1px solid #d4dfcd; border-radius: 22px; padding: 24px; color: #415247; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 24px; padding: 26px; box-shadow: 0 12px 36px rgba(48,65,52,.06); }
.card h2 { margin: 0 0 8px; font-size: 21px; letter-spacing: -.02em; }
.card p { color: var(--muted); margin: 0 0 18px; }
.card a { font-weight: 750; }

.document { max-width: 760px; }
.document h1 { font-size: clamp(40px, 7vw, 62px); }
.updated { color: var(--muted); margin-bottom: 44px; }
.document section { border-top: 1px solid var(--line); padding: 30px 0 14px; }
.document h2 { font-size: 25px; letter-spacing: -.025em; margin: 0 0 12px; }
.document h3 { font-size: 18px; margin: 22px 0 6px; }
.document p, .document li { color: #4c5951; }
.document ul { padding-left: 22px; }
.callout { border-left: 4px solid var(--warm); background: #fff7ef; padding: 18px 20px; border-radius: 0 16px 16px 0; }

footer { border-top: 1px solid var(--line); padding: 28px 0 42px; color: var(--muted); font-size: 14px; }
.footer-row { display: flex; justify-content: space-between; gap: 22px; flex-wrap: wrap; }

@media (max-width: 720px) {
  .nav { align-items: flex-start; padding: 16px 0; }
  .links { justify-content: flex-end; gap: 10px 14px; }
  .hero { grid-template-columns: 1fr; padding-top: 10px; }
  .cards { grid-template-columns: 1fr; }
  main { padding-top: 44px; }
}