:root {
  --bg: #faf7f0;
  --ink: #2b2620;
  --muted: #6f665a;
  --accent: #7a1f1f;
  --accent-ink: #fff;
  --card: #fffdf8;
  --line: #e3dccd;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #171412;
    --ink: #e8e2d6;
    --muted: #a89e8e;
    --accent: #c05050;
    --accent-ink: #171412;
    --card: #201c19;
    --line: #38322b;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Georgia, 'Times New Roman', serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.65;
}

.hero {
  text-align: center;
  padding: 4rem 1.5rem 3rem;
  border-bottom: 1px solid var(--line);
}
.logo { max-width: 140px; height: auto; }
h1 { font-size: 2.6rem; margin: 1rem 0 0.25rem; letter-spacing: 0.02em; }
.tagline { color: var(--muted); font-style: italic; margin-top: 0; }

.cta { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; margin-top: 1.5rem; }
.btn {
  display: inline-block;
  padding: 0.65rem 1.3rem;
  border: 1px solid var(--accent);
  border-radius: 4px;
  color: var(--accent);
  text-decoration: none;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn:hover { opacity: 0.85; }

main { max-width: 46rem; margin: 0 auto; padding: 1rem 1.5rem 3rem; }
section { margin: 2.5rem 0; }
h2 {
  font-size: 1.5rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.3rem;
}
a { color: var(--accent); }

.method { padding-left: 1.2rem; }
.method li { margin: 0.6rem 0; }

.tablewrap { overflow-x: auto; }
table {
  border-collapse: collapse;
  width: 100%;
  background: var(--card);
  font-size: 0.95rem;
}
th, td { border: 1px solid var(--line); padding: 0.5rem 0.7rem; text-align: left; }
th { font-family: Helvetica, Arial, sans-serif; font-size: 0.85rem; }
s { color: var(--muted); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: 1rem; }
.stats div {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 1rem;
  text-align: center;
  color: var(--muted);
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.85rem;
}
.stats span { display: block; font-size: 1.7rem; color: var(--ink); font-family: Georgia, serif; }

.note { color: var(--muted); font-size: 0.9rem; }

footer {
  border-top: 1px solid var(--line);
  text-align: center;
  padding: 1.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}