:root {
  --paper: #fbf8f1;
  --paper-2: #f4eee3;
  --ink: #1b1a17;
  --ink-2: #3d3a33;
  --muted: #6f6a5f;
  --rule: #ddd5c6;
  --accent: #b8441f;
  --accent-2: #8a3217;
  --green: #2f5d46;
  --serif: Georgia, "Times New Roman", "Liberation Serif", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 16px;
  z-index: 20;
}
.skip:focus { left: 12px; top: 12px; }

.site-header {
  border-bottom: 1px solid var(--rule);
  background: var(--paper);
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.brand {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
  white-space: nowrap;
}
.brand span { color: var(--accent); font-style: italic; }
.nav { display: flex; gap: 18px; flex-wrap: wrap; }
.nav a {
  color: var(--ink-2);
  font-size: 14px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.nav a:hover { color: var(--accent); text-decoration: none; }

.breadcrumbs {
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px 0;
  font-size: 13px;
  color: var(--muted);
}
.breadcrumbs a { color: var(--muted); }
.breadcrumbs .sep { margin: 0 7px; color: var(--rule); }

.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 34px 24px 80px;
}

main { min-height: 60vh; }

.hero { padding: 28px 0 12px; border-bottom: 1px solid var(--rule); margin-bottom: 10px; }
.eyebrow {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 14px;
}
h1, h2, h3, h4 {
  font-family: var(--serif);
  color: var(--ink);
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(34px, 5vw, 56px); margin: 0 0 18px; max-width: 950px; }
h2 { font-size: clamp(24px, 3vw, 34px); margin: 0 0 14px; }
h3 { font-size: 21px; margin: 0 0 8px; }
h4 { font-size: 15px; margin: 0 0 10px; font-family: var(--sans); text-transform: uppercase; letter-spacing: 0.08em; }
p { margin: 0 0 16px; }
.lede { font-size: 20px; line-height: 1.55; color: var(--ink-2); max-width: 820px; }

section { padding: 30px 0; border-bottom: 1px solid var(--rule); }
section:last-child { border-bottom: 0; }
section > h2 { margin-top: 4px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 44px; }

.section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 20px; flex-wrap: wrap; margin-bottom: 18px; }
.section-head h2 { margin: 0; }
.section-head p { margin: 0; color: var(--muted); font-size: 15px; }

.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 24px 0 30px; }
.btn {
  display: inline-block;
  background: var(--ink);
  color: var(--paper);
  padding: 11px 18px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  border: 1px solid var(--ink);
}
.btn:hover { background: var(--accent); border-color: var(--accent); text-decoration: none; color: #fff; }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: var(--ink); color: var(--paper); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
  margin: 26px 0;
}
.stat { background: var(--paper); padding: 16px 18px; }
.stat .label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); font-weight: 700; }
.stat .value { font-family: var(--serif); font-size: 26px; font-weight: 700; margin-top: 4px; line-height: 1.2; }
.stat .note { font-size: 12px; color: var(--muted); margin-top: 2px; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 18px;
}
.card {
  display: block;
  background: #fffdf8;
  border: 1px solid var(--rule);
  padding: 20px;
  color: var(--ink);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover { border-color: var(--accent); text-decoration: none; transform: translateY(-1px); }
.card h3 { font-size: 20px; margin: 6px 0 8px; }
.card p { font-size: 14px; color: var(--muted); margin: 0; }
.card-kicker { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--accent); font-weight: 700; }
.card-meta { display: block; margin-top: 12px; font-size: 12px; color: var(--ink-2); font-family: var(--mono); }

.badges { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 4px; }
.badge {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  border: 1px solid var(--rule);
  background: var(--paper-2);
  padding: 4px 8px;
  color: var(--ink-2);
}

.table-wrap { overflow-x: auto; margin: 18px 0; border: 1px solid var(--rule); background: #fffdf8; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--rule); vertical-align: top; }
th { background: var(--paper-2); font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-2); font-weight: 700; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fbf4e8; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td a { color: var(--accent-2); }

.bar { height: 8px; background: var(--paper-2); border: 1px solid var(--rule); min-width: 60px; }
.bar span { display: block; height: 100%; background: var(--green); }
.chart { margin: 20px 0; }
.chart-row { display: grid; grid-template-columns: minmax(130px, 220px) 1fr 48px; gap: 12px; align-items: center; padding: 5px 0; }
.chart-row.highlight .chart-label { color: var(--accent); font-weight: 700; }
.chart-row.highlight .chart-bar span { background: var(--accent); }
.chart-label { font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chart-bar { height: 16px; background: var(--paper-2); border: 1px solid var(--rule); }
.chart-bar span { display: block; height: 100%; background: var(--green); }
.chart-value { font-size: 13px; text-align: right; font-variant-numeric: tabular-nums; }

.faq details { border-bottom: 1px solid var(--rule); padding: 12px 0; }
.faq details:first-child { border-top: 1px solid var(--rule); }
.faq summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.faq summary:hover { color: var(--accent); }
.faq p { margin: 10px 0 0; color: var(--ink-2); }

.related { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); }
.related a { display: block; background: var(--paper); padding: 14px 16px; color: var(--ink); }
.related a:hover { background: var(--paper-2); text-decoration: none; }
.related .meta { display: block; font-size: 12px; color: var(--muted); margin-top: 2px; }

.list-links { display: flex; flex-direction: column; border-top: 1px solid var(--rule); }
.list-links a { display: flex; justify-content: space-between; gap: 14px; padding: 10px 0; border-bottom: 1px solid var(--rule); color: var(--ink); }
.list-links a span { color: var(--muted); font-size: 12px; white-space: nowrap; }

.pros-cons { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 18px; }
.pros-cons ul { margin: 8px 0 0; padding-left: 20px; }
.pros-cons li { margin-bottom: 8px; color: var(--ink-2); }

.versus { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; margin: 26px 0; }
.versus-card { border: 1px solid var(--rule); background: #fffdf8; padding: 22px; }
.versus-card h2 { font-size: 28px; margin: 6px 0 8px; }
.versus-card p { color: var(--muted); font-size: 14px; }
.versus-card dl { display: grid; grid-template-columns: 1fr auto; gap: 6px 12px; font-size: 14px; margin: 14px 0; }
.versus-card dt { color: var(--muted); }
.versus-card dd { margin: 0; text-align: right; font-weight: 600; }

.prose { max-width: 820px; }
.prose p { color: var(--ink-2); }
.prose ul, .prose ol { color: var(--ink-2); padding-left: 22px; }
.prose li { margin-bottom: 8px; }

.more { margin-top: 12px; font-size: 14px; }
.more a { font-weight: 600; }

.footer { border-top: 1px solid var(--rule); background: var(--paper-2); }
.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 44px 24px 60px;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 32px;
}
.footer .brand { font-size: 20px; margin-bottom: 10px; }
.footer h4 { color: var(--ink); }
.footer a { display: block; color: var(--ink-2); font-size: 14px; padding: 2px 0; }
.footer .note { font-size: 13px; color: var(--muted); max-width: 300px; }
.footer .fine { grid-column: 1 / -1; border-top: 1px solid var(--rule); padding-top: 20px; font-size: 12px; color: var(--muted); }
.footer .fine p { margin: 0 0 6px; }

@media (max-width: 860px) {
  .split, .pros-cons, .versus { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .header-inner { padding: 14px 18px; }
  .nav { gap: 12px; }
  .nav a { font-size: 12px; }
  .container { padding: 24px 18px 60px; }
  .breadcrumbs { padding: 12px 18px 0; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  h1 { font-size: 34px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .chart-row { grid-template-columns: 110px 1fr 40px; gap: 8px; }
  .footer-inner { grid-template-columns: 1fr; }
}