:root {
  --paper: #f6f4ee; --ink: #1f2b25; --green: #24453a; --muted: #5d6560; --line: #d9d6cc; --card: #f9f8f3; --bar: #2b2f2c;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 400 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--green); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 4px; }
a:hover { color: var(--ink); }
:focus-visible { outline: 2px solid var(--green); outline-offset: 3px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 8px; background: var(--paper); padding: 8px 12px; z-index: 2; }
.shell { max-width: 1440px; margin: 0 auto; padding: 0 56px; }
.caps { text-transform: uppercase; letter-spacing: .16em; font-size: 12.5px; }

/* Top strip and masthead */
.topline { border-top: 4px solid var(--bar); border-bottom: 1px solid var(--line); font-size: 13px; }
.topline .shell { display: flex; justify-content: space-between; gap: 16px; padding-top: 12px; padding-bottom: 12px; }
.topline span:last-child { letter-spacing: .06em; }
.masthead { border-bottom: 1px solid var(--line); }
.masthead .shell { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 24px; padding-top: 36px; padding-bottom: 36px; }
.brand { text-decoration: none; color: var(--ink); display: flex; flex-direction: column; gap: 8px; }
.brand-name { font: 700 30px/1.1 var(--serif); }
.brand-sub { color: var(--green); font-size: 12px; letter-spacing: .24em; }
.nav { display: flex; gap: 32px; font-size: 16px; }
.nav a { color: var(--ink); text-decoration: none; }
.nav a:hover, .nav a[aria-current="page"] { text-decoration: underline; }
.cta { justify-self: end; color: var(--ink); text-decoration: none; border-bottom: 1px solid var(--green); padding-bottom: 8px; font-size: 16px; }

/* Three-column page */
.page { padding-top: 32px; padding-bottom: 64px; }
.crumbs { font-size: 14px; color: var(--muted); margin: 0 0 40px 40px; }
.crumbs a { color: var(--muted); text-decoration: none; }
.grid { display: grid; grid-template-columns: 210px minmax(0, 1fr) 300px; gap: 56px; align-items: start; }

.side { padding: 0 24px 0 40px; border-right: 1px solid var(--line); min-height: 100%; box-sizing: content-box; }
.side .caps { color: var(--green); line-height: 2.1; margin: 8px 0 20px; }
.side ul { list-style: none; margin: 0; padding: 0; }
.side li { margin: 0 0 18px; }
.side a { color: var(--ink); text-decoration: none; font-size: 16px; }
.side a:hover, .side a[aria-current="page"] { text-decoration: underline; }
.side2 { border-top: 1px solid var(--muted); padding-top: 20px !important; margin-top: 8px !important; }

main { min-width: 0; }
.eyebrow { color: var(--green); margin: 14px 0 12px; }
h1 { font: 700 clamp(44px, 5.4vw, 84px)/1.05 var(--serif); letter-spacing: -.02em; margin: 0 0 40px; padding-bottom: 40px; border-bottom: 3px solid var(--green); }
.label { color: var(--green); margin: 0 0 14px; }
.lede { font-size: 26px; line-height: 1.55; margin: 0 0 40px; max-width: 62ch; }
.note, .stamp { font-size: 15px; color: var(--muted); margin: 0 0 12px; }
.stamp { margin-bottom: 32px; }

.entry-toc { border: 1px solid var(--line); padding: 28px 32px; margin: 0 0 24px; background: var(--card); }
.entry-toc p { font-weight: 600; margin: 0 0 16px; }
.entry-toc ol { margin: 0; padding-left: 22px; display: grid; grid-auto-flow: column; grid-template-rows: repeat(var(--rows), auto); gap: 10px 48px; }
.entry-toc a { color: var(--green); }

/* Sections */
.block { padding-top: 64px; }
h2 { font: 700 clamp(28px, 2.8vw, 38px)/1.15 var(--serif); margin: 0 0 24px; scroll-margin-top: 24px; }
h3 { font: 600 22px/1.25 var(--serif); margin: 0 0 6px; }
h3 a { color: var(--ink); text-decoration: none; }
h3 a:hover { text-decoration: underline; }
.method { color: var(--muted); max-width: 70ch; }

.cards { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.card { border: 1px solid var(--line); background: var(--card); padding: 24px 26px; scroll-margin-top: 24px; }
.card .caps { color: var(--green); margin: 0 0 12px; font-size: 11.5px; }
.card .price { font-weight: 600; margin: 0 0 10px; }
.card p { margin: 0 0 10px; font-size: 16px; }
.card .more { margin: 14px 0 0; }

.table-wrap { overflow-x: auto; border-top: 2px solid var(--green); }
table { border-collapse: collapse; width: 100%; min-width: 560px; font-size: 16px; }
table.narrow { min-width: 0; max-width: 520px; }
th { text-align: left; font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: .12em; color: var(--muted); padding: 14px 16px 12px 0; border-bottom: 1px solid var(--line); }
td { padding: 14px 16px 14px 0; border-bottom: 1px solid var(--line); vertical-align: top; }
td.num, th.num { text-align: right; white-space: nowrap; }

.qa { display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; }
.qa div { border-top: 1px solid var(--line); padding: 20px 0 24px; }
.qa h3 { font-size: 20px; margin-bottom: 8px; }
.qa p { margin: 0; color: var(--muted); }

.related { display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; }
.related a { display: block; padding: 14px 0; border-top: 1px solid var(--line); text-decoration: none; color: var(--ink); font-size: 17px; }
.related a:hover { color: var(--green); text-decoration: underline; }

.sources { margin: 0; padding-left: 22px; columns: 2; column-gap: 48px; font-size: 15px; }
.sources li { break-inside: avoid; padding: 6px 0; }

.cite { font-size: 15px; color: var(--muted); max-width: 72ch; margin: 0; padding: 18px 22px; border: 1px solid var(--line); background: var(--card); overflow-wrap: anywhere; }

.facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0 28px; margin: 0; }
.facts div { border-top: 1px solid var(--line); padding: 14px 0; }
.facts dt { font-size: 12px; text-transform: uppercase; letter-spacing: .14em; color: var(--muted); }
.facts dd { margin: 6px 0 0; font-size: 17px; }
.prose { max-width: 66ch; }
.prose p { margin: 0 0 16px; font-size: 18px; }
.pc { display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; margin-top: 24px; }
.pc h3 { font-size: 19px; }
.pc ul { margin: 0; padding-left: 20px; }
.pc li { margin: 6px 0; }
.ranks { margin: 0; padding: 0; list-style: none; }
.ranks li { border-top: 1px solid var(--line); padding: 14px 0; font-size: 17px; }
.glossary { display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; margin: 0; }
.glossary div { border-top: 1px solid var(--line); padding: 18px 0; scroll-margin-top: 24px; }
.glossary dt { font: 600 20px/1.3 var(--serif); }
.glossary dd { margin: 6px 0 0; color: var(--muted); }

/* Featured entity panel */
.meta { border-top: 4px solid var(--ink); padding-top: 28px; position: sticky; top: 24px; }
.meta .kicker { text-transform: uppercase; letter-spacing: .16em; font-size: 12.5px; color: var(--muted); margin: 0 0 6px; }
.meta .entity { font: 600 46px/1.1 var(--serif); margin: 0 0 24px; letter-spacing: -.01em; }
.meta dl { margin: 0; }
.meta dt { text-transform: uppercase; letter-spacing: .16em; font-size: 12px; color: var(--muted); margin-top: 22px; }
.meta dd { margin: 8px 0 0; font-size: 16px; }
.metalinks { margin: 26px 0 0; display: flex; flex-direction: column; }
.metalinks a { color: var(--ink); padding: 12px 0; }
.metalinks a + a { border-top: 1px solid var(--muted); }

footer { border-top: 1px solid var(--line); font-size: 14px; color: var(--muted); }
footer .shell { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; padding-top: 28px; padding-bottom: 40px; }
footer strong { color: var(--ink); }
footer nav { display: flex; flex-wrap: wrap; gap: 20px; }
footer a { color: var(--muted); }

@media (max-width: 1180px) {
  .grid { grid-template-columns: minmax(0, 1fr) 280px; }
  .side { display: none; }
  .crumbs { margin-left: 0; }
}
@media (max-width: 860px) {
  .shell { padding: 0 16px; }
  .masthead .shell { grid-template-columns: 1fr; gap: 16px; padding-top: 24px; padding-bottom: 24px; }
  .cta { justify-self: start; }
  .nav { gap: 20px; flex-wrap: wrap; }
  .topline .shell { flex-direction: column; gap: 4px; }
  .grid { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .meta { position: static; }
  .crumbs { margin-bottom: 24px; }
  h1 { margin-bottom: 28px; padding-bottom: 28px; }
  .lede { font-size: 21px; }
  .entry-toc { padding: 22px; }
  .entry-toc ol { grid-auto-flow: row; grid-template-rows: none; }
  .cards, .qa, .related, .pc, .glossary { grid-template-columns: 1fr; }
  .sources { columns: 1; }
  .block { padding-top: 48px; }
}