:root {
  --bg: #211E1A;
  --card: #2C2822;
  --chip: #38332B;
  --ink: #F2EDE3;
  --ink-muted: #A69E8E;
  --ink-faint: #6E675C;
  --accent: #E8734A;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #F2EDE3;
    --card: #FDFBF4;
    --chip: #E9E2D3;
    --ink: #26221C;
    --ink-muted: #7B7364;
    --ink-faint: #A69E8E;
    --accent: #D2602F;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Nunito", -apple-system, "Segoe UI", sans-serif;
  font-weight: 700;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap {
  max-width: 680px;
  margin: 0 auto;
  padding: 48px 24px 64px;
}

header.site {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin-bottom: 48px;
}
header.site a { text-decoration: none; }
.wordmark {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -0.3px;
}
.wordmark .chess { color: var(--ink); }
.wordmark .scroll { color: var(--accent); }

h1 {
  font-size: 34px;
  font-weight: 900;
  letter-spacing: -0.5px;
  line-height: 1.2;
  margin-bottom: 8px;
}

h2 {
  font-size: 20px;
  font-weight: 900;
  margin: 36px 0 10px;
}

p { margin-bottom: 14px; color: var(--ink); }
p.updated {
  color: var(--ink-faint);
  font-size: 14px;
  margin-bottom: 28px;
}

ul { margin: 0 0 14px 22px; }
li { margin-bottom: 6px; }

a { color: var(--accent); font-weight: 800; }
a:hover { opacity: 0.85; }

nav.toc {
  margin-bottom: 28px;
  font-size: 15px;
}
nav.toc a { margin-right: 18px; }

.card {
  background: var(--card);
  border-radius: 14px;
  padding: 18px 20px;
  margin-bottom: 24px;
}
.card.note { border-left: 3px solid var(--accent); }

.tagline {
  font-size: 40px;
  font-weight: 900;
  letter-spacing: -0.8px;
  line-height: 1.15;
  margin: 0 0 18px;
}
.tagline .earn { color: var(--accent); }

.sub {
  color: var(--ink-muted);
  font-size: 18px;
  margin-bottom: 32px;
}

.deal {
  display: inline-block;
  background: var(--chip);
  border-radius: 10px;
  padding: 10px 16px;
  font-weight: 800;
  font-size: 16px;
  margin-bottom: 40px;
}
.deal .n { color: var(--accent); }

footer {
  margin-top: 64px;
  padding-top: 24px;
  border-top: 1px solid var(--chip);
  color: var(--ink-faint);
  font-size: 14px;
}
footer a { color: var(--ink-muted); }