:root {
  color-scheme: light dark;
  --canvas: #f5f7f5;
  --surface: #ffffff;
  --ink: #17201b;
  --muted: #5a665e;
  --line: #d8dfd9;
  --accent: #26734d;
  --accent-ink: #ffffff;
  --tint: #e6f2e9;
  --warning: #79510b;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #101512;
    --surface: #182019;
    --ink: #edf3ee;
    --muted: #b5c0b7;
    --line: #354337;
    --accent: #78c898;
    --accent-ink: #102016;
    --tint: #193524;
    --warning: #f2c66c;
  }
}

* { box-sizing: border-box; }
html { background: var(--canvas); }
body { margin: 0; color: var(--ink); background: var(--canvas); font-size: 16px; line-height: 1.55; }
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
.shell { width: min(100% - 40px, 900px); margin: 0 auto; }
header { border-bottom: 1px solid var(--line); background: var(--surface); }
.nav { min-height: 68px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { color: var(--ink); font-size: 21px; font-weight: 800; letter-spacing: 0; text-decoration: none; }
.brand span { color: var(--accent); }
nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 16px; }
nav a { color: var(--muted); font-size: 14px; font-weight: 650; text-decoration: none; }
nav a[aria-current="page"] { color: var(--accent); }
main { padding: 68px 0 56px; }
.hero { max-width: 690px; padding: 22px 0 48px; }
.eyebrow { margin: 0 0 14px; color: var(--accent); font-size: 13px; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
h1 { margin: 0; max-width: 720px; font-size: clamp(32px, 5vw, 52px); line-height: 1.08; letter-spacing: 0; }
h2 { margin: 42px 0 12px; font-size: 23px; line-height: 1.2; letter-spacing: 0; }
h3 { margin: 26px 0 8px; font-size: 17px; letter-spacing: 0; }
p { margin: 0 0 16px; }
.lede { margin-top: 20px; color: var(--muted); font-size: 19px; }
.button { display: inline-flex; min-height: 44px; align-items: center; justify-content: center; margin: 12px 10px 0 0; padding: 10px 16px; border: 1px solid var(--accent); border-radius: 6px; color: var(--accent-ink); background: var(--accent); font-weight: 750; text-decoration: none; }
.button.secondary { color: var(--accent); background: transparent; }
.band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.item { min-height: 175px; padding: 28px; border-right: 1px solid var(--line); }
.item:last-child { border-right: 0; }
.item h2 { margin: 0 0 9px; font-size: 18px; }
.item p { color: var(--muted); font-size: 15px; }
.document { width: min(100%, 760px); }
.document > p:first-of-type { color: var(--muted); }
.notice { margin: 24px 0; padding: 16px 18px; border-left: 4px solid var(--accent); background: var(--tint); }
.warning { border-left-color: var(--warning); }
ul { margin: 0 0 18px; padding-left: 22px; }
li { margin: 7px 0; }
footer { padding: 32px 0 44px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
.footer-row { display: flex; justify-content: space-between; gap: 20px; align-items: center; }
.footer-links { display: flex; flex-wrap: wrap; gap: 14px; }
@media (max-width: 650px) {
  .shell { width: min(100% - 32px, 900px); }
  .nav { padding: 14px 0; align-items: flex-start; flex-direction: column; gap: 8px; }
  nav { justify-content: flex-start; gap: 10px 15px; }
  main { padding-top: 42px; }
  .grid { grid-template-columns: 1fr; }
  .item { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .item:last-child { border-bottom: 0; }
  .footer-row { align-items: flex-start; flex-direction: column; }
}