:root {
  --ink: #1a1a1a;
  --muted: #5f5f5f;
  --rule: #e4e2dd;
  --paper: #fbfaf7;
  --accent: #2d4a52;
  --accent-soft: #dfe7e9;
}

* { box-sizing: border-box; }
html { font-size: 17px; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: Georgia, "Times New Roman", serif; line-height: 1.55; }
main, .hero, footer { max-width: 720px; margin: 0 auto; padding: 0 24px; }

.hero { padding-top: 72px; padding-bottom: 40px; border-bottom: 1px solid var(--rule); }
.kicker { font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif; font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent); margin: 0 0 12px; }
h1 { font-size: 44px; line-height: 1.05; font-weight: 400; margin: 0 0 16px; letter-spacing: -0.01em; }
.lede { font-size: 21px; color: var(--muted); margin: 0; }

section { padding: 40px 0; border-bottom: 1px solid var(--rule); }
h2 { font-size: 26px; font-weight: 400; line-height: 1.2; margin: 0 0 16px; }
p { margin: 0 0 14px; }
ul { padding-left: 20px; margin: 0; }
li { margin-bottom: 6px; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 22px 0; }
.stat { background: #fff; border: 1px solid var(--rule); border-radius: 6px; padding: 16px; font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif; font-size: 13px; color: var(--muted); line-height: 1.3; }
.stat .num { display: block; font-family: Georgia, serif; font-size: 40px; color: var(--ink); line-height: 1; margin-bottom: 8px; }

table { width: 100%; border-collapse: collapse; margin: 18px 0 6px; font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif; font-size: 14px; }
th { text-align: left; font-weight: 600; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; padding: 0 10px 8px 0; border-bottom: 1px solid var(--ink); }
td { padding: 9px 10px 9px 0; border-bottom: 1px solid var(--rule); vertical-align: middle; }
.num-cell { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; width: 1%; padding-right: 16px; }
.qtable td:last-child { width: 38%; }
.bar { height: 8px; background: var(--accent-soft); border-radius: 4px; overflow: hidden; }
.bar span { display: block; height: 100%; background: var(--accent); }

.method p { font-size: 14px; color: var(--muted); }
footer { padding: 32px 24px 64px; font-family: -apple-system, "Segoe UI", Helvetica, Arial, sans-serif; font-size: 13px; color: var(--muted); }

@media (max-width: 600px) {
  html { font-size: 16px; }
  h1 { font-size: 34px; }
  .stats { grid-template-columns: 1fr; }
  .qtable td:last-child { display: none; }
}