:root {
  color-scheme: light;
  --ink: #20221f;
  --muted: #5e665e;
  --line: #d7ddd6;
  --paper: #fbfcf8;
  --soft: #eef4ee;
  --accent: #276b58;
  --accent-2: #7a4e22;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.55;
}
a { color: var(--accent); text-decoration-thickness: 1px; text-underline-offset: 3px; }
.site-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 56px);
  border-bottom: 1px solid var(--line);
}
.brand { color: var(--ink); font-weight: 700; text-decoration: none; }
nav { display: flex; gap: 16px; flex-wrap: wrap; font-size: 14px; }
main { width: min(1080px, calc(100% - 36px)); margin: 0 auto; }
section { padding: 42px 0; }
.hero { min-height: 52vh; display: flex; flex-direction: column; justify-content: center; }
h1, h2, h3, p { max-width: 780px; }
h1 { font-size: clamp(38px, 7vw, 78px); line-height: 1; margin: 0 0 22px; letter-spacing: 0; }
h2 { font-size: 24px; margin: 0 0 12px; letter-spacing: 0; }
h3 { font-size: 18px; margin: 0 0 10px; letter-spacing: 0; }
p { margin: 0 0 14px; }
.lede { color: var(--muted); font-size: 20px; }
.kicker { color: var(--accent-2); font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 0; }
.boundary, .notice {
  margin-top: 22px;
  max-width: 820px;
  border-left: 4px solid var(--accent);
  background: var(--soft);
  padding: 16px 18px;
}
.grid, .signals {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
article {
  border-top: 1px solid var(--line);
  padding-top: 16px;
}
code {
  background: var(--soft);
  padding: 2px 5px;
}
footer {
  margin-top: 36px;
  padding: 28px clamp(18px, 4vw, 56px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
@media (max-width: 620px) {
  .site-header { align-items: flex-start; flex-direction: column; }
  nav { gap: 12px; }
  .hero { min-height: 48vh; }
}