:root {
  color-scheme: light dark;
  --ground: #fff8e7;
  --surface: #ffffff;
  --text: #4d392f;
  --muted: #76655c;
  --primary: #2f7f3f;
  --accent: #ff6b35;
  --line: rgba(107, 78, 61, 0.18);
}

* { box-sizing: border-box; }
html { background: var(--ground); }
body {
  margin: 0;
  color: var(--text);
  background: var(--ground);
  font: 16px/1.65 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: var(--primary); }
.shell { width: min(760px, calc(100% - 32px)); margin: 0 auto; }
header { padding: 28px 0 12px; }
.brand { color: var(--primary); font-size: 20px; font-weight: 800; text-decoration: none; }
nav { float: right; display: flex; gap: 18px; }
nav a { color: var(--muted); font-size: 14px; font-weight: 650; text-decoration: none; }
main { padding: 28px 0 56px; }
.card {
  padding: clamp(24px, 5vw, 48px);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: 0 14px 40px rgba(77, 57, 47, 0.08);
}
h1 { margin: 0 0 12px; font-size: clamp(32px, 8vw, 52px); line-height: 1.08; }
h2 { margin: 32px 0 8px; font-size: 22px; line-height: 1.25; }
p, li { color: var(--muted); }
.lead { font-size: 19px; }
.eyebrow { color: var(--accent); font-size: 12px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-block; padding: 12px 18px; color: white; background: var(--primary); border-radius: 13px; font-weight: 750; text-decoration: none; }
.button.secondary { color: var(--primary); background: transparent; border: 1px solid var(--line); }
.updated { margin-top: 36px; font-size: 13px; }
footer { padding: 0 0 36px; color: var(--muted); font-size: 13px; text-align: center; }

@media (prefers-color-scheme: dark) {
  :root {
    --ground: #17120f;
    --surface: #241d18;
    --text: #fff8e7;
    --muted: #d3c8c0;
    --primary: #83d28e;
    --line: rgba(255, 248, 231, 0.15);
  }
}