:root {
  color-scheme: light;
  --ink: #17231f;
  --muted: #5b6964;
  --paper: #f5f7f4;
  --panel: #ffffff;
  --line: #d7dfda;
  --accent: #176b52;
}

* { box-sizing: border-box; }

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

main {
  width: min(760px, calc(100% - 40px));
  margin: 64px auto;
  padding: clamp(28px, 6vw, 64px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(23, 35, 31, 0.08);
}

h1, h2 { line-height: 1.2; }
h1 { margin: 8px 0 20px; font-size: clamp(2.1rem, 6vw, 3.6rem); letter-spacing: -0.045em; }
h2 { margin: 0 0 8px; font-size: 1.15rem; }
p { margin: 0; }
section { margin-top: 34px; }

.eyebrow {
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.lede { color: var(--muted); font-size: 1.18rem; }
.updated { color: var(--muted); }
.notice { padding: 22px; background: #eef5f1; border-left: 4px solid var(--accent); border-radius: 8px; }

footer { margin-top: 48px; padding-top: 22px; border-top: 1px solid var(--line); }
a { color: var(--accent); font-weight: 700; }

@media (max-width: 520px) {
  main { width: 100%; margin: 0; min-height: 100vh; border: 0; border-radius: 0; }
}