:root {
  --paper: #f1efe8;
  --paper-deep: #e7e3da;
  --ink: #152320;
  --muted: #61706b;
  --line: #c9cec7;
  --line-strong: #9da9a3;
  --accent: #126f65;
  --accent-dark: #0a514a;
  --accent-soft: #d6e5df;
  --white: #fbfaf6;
  --warning: #9a5713;
  --warning-soft: #f6e5c8;
  --danger: #8b3c34;
  --shadow: 0 18px 46px rgba(21, 35, 32, 0.08);
  --shell: min(1220px, calc(100vw - 48px));
  --serif: Georgia, "Times New Roman", serif;
  --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: var(--sans); line-height: 1.55; }
body::before { content: ""; position: fixed; inset: 0; pointer-events: none; opacity: .28; background-image: radial-gradient(rgba(21,35,32,.08) .55px, transparent .55px); background-size: 5px 5px; z-index: -1; }
a { color: inherit; }
button, input, select { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: var(--shell); margin-inline: auto; }
.shell--wide { width: min(1560px, calc(100vw - 40px)); }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: 8px; left: 8px; padding: 10px 14px; background: var(--ink); color: white; transform: translateY(-150%); z-index: 100; }
.skip-link:focus { transform: none; }
:focus-visible { outline: 3px solid #e4a547; outline-offset: 3px; }

.site-header { position: sticky; top: 0; z-index: 30; background: rgba(241,239,232,.94); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 36px; height: 36px; fill: var(--ink); }
.brand span { display: grid; line-height: 1.15; }
.brand strong { font-family: var(--serif); font-size: 1.13rem; letter-spacing: .01em; }
.brand small { margin-top: 4px; color: var(--muted); font-size: .68rem; text-transform: uppercase; letter-spacing: .12em; }
.primary-nav { display: flex; align-items: center; gap: clamp(14px, 2.2vw, 30px); }
.primary-nav a { position: relative; color: var(--muted); font-size: .78rem; font-weight: 650; text-decoration: none; }
.primary-nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: -8px; height: 2px; background: var(--accent); transition: right .18s ease; }
.primary-nav a:hover { color: var(--ink); }
.primary-nav a:hover::after { right: 0; }
.nav-toggle { display: none; border: 0; background: none; padding: 10px; }

.intro { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(310px, .65fr); gap: clamp(40px, 8vw, 110px); padding-block: clamp(72px, 10vw, 140px) clamp(56px, 8vw, 100px); align-items: end; }
.eyebrow, .section-index, .label { margin: 0 0 18px; color: var(--accent-dark); font-size: .7rem; font-weight: 750; text-transform: uppercase; letter-spacing: .18em; }
.intro h1 { max-width: 820px; margin: 0; font-family: var(--serif); font-size: clamp(3.1rem, 7vw, 6.9rem); font-weight: 400; line-height: .94; letter-spacing: -.05em; }
.lede { max-width: 740px; margin: 32px 0 0; color: var(--muted); font-size: clamp(1.05rem, 1.7vw, 1.35rem); line-height: 1.65; }
.intro-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 18px; border: 1px solid var(--ink); text-decoration: none; font-size: .78rem; font-weight: 700; }
.button--primary { color: var(--white); background: var(--ink); }
.button--primary:hover { background: var(--accent-dark); }
.button--quiet:hover { background: var(--white); }
.release-card { min-height: 360px; display: flex; flex-direction: column; border-top: 3px solid var(--ink); border-bottom: 1px solid var(--line-strong); padding: 22px 0 24px; }
.release-card__heading { display: block; }
.release-card .label { margin: 0; }
.release-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 0; margin: 24px 0 0; border-top: 1px solid var(--line); }
.release-meta div { padding: 14px 0; border-bottom: 1px solid var(--line); }
.release-meta div:nth-child(odd) { padding-right: 14px; }
.release-meta div:nth-child(even) { padding-left: 14px; border-left: 1px solid var(--line); }
.release-meta dt { color: var(--muted); font-size: .67rem; text-transform: uppercase; letter-spacing: .08em; }
.release-meta dd { margin: 3px 0 0; font-family: var(--serif); font-size: 1.06rem; }
.release-card__note { margin: auto 0 0; color: var(--muted); font-size: .76rem; }

.release-strip { color: #edf4f1; background: var(--ink); }
.release-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.release-grid > div { min-height: 116px; display: flex; flex-direction: column; justify-content: center; border-left: 1px solid rgba(255,255,255,.16); padding: 24px 30px; }
.release-grid > div:last-child { border-right: 1px solid rgba(255,255,255,.16); }
.release-grid span { color: #aebcb7; font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; }
.release-grid strong { margin-top: 8px; font-family: var(--serif); font-size: 2rem; font-weight: 400; }

.section { padding-block: clamp(74px, 9vw, 125px); }
.section--tinted { background: rgba(231,227,218,.78); border-block: 1px solid var(--line); }
.section-heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .58fr); gap: clamp(32px, 8vw, 100px); align-items: end; margin-bottom: 46px; }
.section-heading h2 { margin: 0; font-family: var(--serif); font-size: clamp(2.35rem, 4.7vw, 4.7rem); font-weight: 400; line-height: 1; letter-spacing: -.035em; }
.section-heading .section-index { margin-bottom: 14px; }
.section-heading > p { margin: 0; color: var(--muted); }

.catalog-tools { display: grid; grid-template-columns: minmax(260px, 1.6fr) minmax(160px, .65fr) minmax(160px, .65fr) auto; gap: 10px; align-items: stretch; margin-bottom: 18px; }
.search-field { min-height: 52px; display: flex; align-items: center; gap: 11px; border: 1px solid var(--line-strong); background: var(--white); padding: 0 15px; }
.search-field svg { width: 18px; fill: none; stroke: currentColor; stroke-width: 1.6; color: var(--muted); }
.search-field input { width: 100%; border: 0; outline: 0; color: var(--ink); background: transparent; }
.search-field input::placeholder { color: #82908b; }
.search-field kbd { padding: 1px 7px; border: 1px solid var(--line); color: var(--muted); font-family: inherit; font-size: .7rem; }
.select-field { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 8px; padding: 0 12px; border: 1px solid var(--line-strong); background: var(--white); color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .07em; }
.select-field select { max-width: 130px; border: 0; outline: 0; color: var(--ink); background: transparent; font-size: .78rem; text-transform: none; }
.text-button { border: 0; border-bottom: 1px solid var(--ink); background: transparent; padding: 0 7px; color: var(--ink); cursor: pointer; font-size: .76rem; font-weight: 700; }
.catalog-layout { display: grid; grid-template-columns: minmax(0, 1.72fr) minmax(380px, .92fr); border: 1px solid var(--line-strong); background: var(--white); box-shadow: var(--shadow); align-items: start; }
.factor-index { min-width: 0; display: flex; flex-direction: column; border-right: 1px solid var(--line-strong); }
.relationship-toolbar { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 14px 18px; border-bottom: 1px solid var(--line-strong); background: rgba(255,255,255,.72); }
.relationship-toolbar__title { margin: 0; color: var(--ink); font-size: .68rem; font-weight: 750; text-transform: uppercase; letter-spacing: .12em; }
.relationship-toolbar__note { margin: 5px 0 0; color: var(--muted); font-size: .66rem; }
.view-switch { flex: 0 0 auto; display: inline-grid; grid-template-columns: repeat(2, auto); border: 1px solid var(--line-strong); }
.view-switch button { min-height: 32px; border: 0; background: transparent; padding: 0 11px; color: var(--muted); cursor: pointer; font-size: .65rem; font-weight: 750; letter-spacing: .04em; }
.view-switch button + button { border-left: 1px solid var(--line-strong); }
.view-switch button[aria-pressed="true"] { color: var(--white); background: var(--ink); }
.view-switch button:focus-visible { position: relative; z-index: 2; outline: 2px solid var(--accent); outline-offset: 2px; }
.map-stage { position: relative; min-height: 700px; overflow: hidden; border-bottom: 1px solid var(--line); background-color: var(--paper-deep); background-image: radial-gradient(rgba(21,35,32,.16) .7px, transparent .7px); background-size: 16px 16px; }
.map-lines { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.map-edge line { stroke-linecap: round; stroke-dasharray: 4 8; vector-effect: non-scaling-stroke; transition: opacity .16s ease, stroke-width .16s ease; }
.map-edge text { opacity: 0; fill: var(--ink); stroke: var(--paper-deep); stroke-width: 5px; paint-order: stroke; font: 700 10px var(--mono); letter-spacing: .04em; transition: opacity .16s ease; }
.map-edge.is-hot line { opacity: 1 !important; stroke-dasharray: none; }
.map-edge.is-hot text { opacity: 1; }
.map-edge.is-muted line { opacity: .08 !important; }
.map-nodes { position: absolute; inset: 0; }
.map-node { position: absolute; width: 144px; min-height: 92px; display: flex; flex-direction: column; padding: 11px 13px 10px; transform: translate(-50%, -50%); border: 1px solid var(--ink); background: rgba(255,255,255,.96); color: var(--ink); text-align: left; cursor: pointer; box-shadow: 4px 5px 0 rgba(21,35,32,.09), 0 12px 26px rgba(21,35,32,.06); transition: transform .16s ease, box-shadow .16s ease, opacity .16s ease, background-color .16s ease; }
.map-node::before { content: ""; position: absolute; left: -6px; top: 16px; width: 10px; height: 10px; transform: rotate(45deg); border: 1px solid var(--ink); background: var(--node-color, var(--accent)); }
.map-node:hover, .map-node:focus-visible { z-index: 4; transform: translate(-50%, -50%) translateY(-4px); box-shadow: 8px 10px 0 rgba(21,35,32,.14), 0 22px 40px rgba(21,35,32,.12); }
.map-node:focus-visible { outline: 3px solid #e4a547; outline-offset: 2px; }
.map-node.is-active { z-index: 3; background: var(--ink); color: var(--white); }
.map-node.is-related { box-shadow: 0 0 0 2px var(--node-color), 4px 5px 0 rgba(21,35,32,.09), 0 12px 26px rgba(21,35,32,.06); }
.map-node.is-unrelated { opacity: .56; }
.map-node.is-active code { color: #9fc4bb; }
.map-node.is-active small { color: #b9c6c1; }
.map-node.is-dim { opacity: .10; }
.map-node code { display: block; margin-bottom: 6px; color: var(--accent-dark); font-size: .58rem; font-weight: 750; letter-spacing: .1em; }
.map-node strong { min-height: 2.24em; display: -webkit-box; overflow: hidden; font-family: var(--serif); font-size: 1rem; font-weight: 400; line-height: 1.12; -webkit-box-orient: vertical; -webkit-line-clamp: 2; }
.map-node small { display: block; margin-top: auto; padding-top: 7px; color: var(--muted); font-size: .6rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.map-legend { display: flex; flex-wrap: wrap; gap: 6px 14px; }
.map-legend div { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: .66rem; }
.map-legend i { width: 8px; height: 8px; border-radius: 50%; background: var(--legend-color); }
.axis { position: absolute; z-index: 2; color: var(--muted); font-size: .58rem; letter-spacing: .14em; text-transform: uppercase; }
.axis-y { top: 52px; bottom: 84px; left: 14px; display: flex; align-items: center; writing-mode: vertical-rl; transform: rotate(180deg); }
.axis-x { bottom: 16px; left: 60px; }
.map-empty { position: absolute; inset: 0; z-index: 6; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; background: rgba(241,239,232,.93); color: var(--muted); text-align: center; }
.map-empty strong { color: var(--ink); }
.map-empty p { margin: 0; font-size: .78rem; }
.map-footer { padding: 14px 18px 16px; }
.map-readout { min-height: 1.3em; margin: 10px 0 0; color: var(--accent-dark); font-size: .7rem; font-weight: 650; }
.map-caption { margin: 8px 0 0; color: var(--muted); font-size: .68rem; line-height: 1.55; }
.matrix-stage { min-height: 700px; padding: clamp(22px, 3vw, 40px); border-bottom: 1px solid var(--line); background-color: var(--paper-deep); background-image: linear-gradient(rgba(21,35,32,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(21,35,32,.035) 1px, transparent 1px); background-size: 28px 28px; }
.matrix-scroll { overflow-x: auto; }
.correlation-matrix { width: 100%; min-width: 690px; table-layout: fixed; border-collapse: separate; border-spacing: 4px; }
.correlation-matrix th { padding: 0; font-weight: 400; }
.correlation-matrix th:first-child { width: 88px; }
.correlation-matrix th button { width: 100%; min-height: 34px; border: 0; background: transparent; color: var(--muted); cursor: pointer; font: 700 .58rem var(--mono); letter-spacing: .03em; }
.correlation-matrix tbody th button { padding-right: 10px; color: var(--ink); text-align: right; }
.correlation-matrix th button:hover, .correlation-matrix th button.is-active { color: var(--accent-dark); text-decoration: underline; text-underline-offset: 4px; }
.correlation-matrix td { padding: 0; }
.matrix-cell { width: 100%; aspect-ratio: 1; min-height: 48px; border: 1px solid rgba(21,35,32,.14); cursor: pointer; font: 700 .66rem var(--mono); transition: transform .14s ease, opacity .14s ease, box-shadow .14s ease; }
.matrix-cell:hover, .matrix-cell:focus-visible { position: relative; z-index: 2; transform: translateY(-2px); outline: 2px solid var(--ink); outline-offset: 1px; box-shadow: 3px 4px 0 rgba(21,35,32,.14); }
.matrix-cell.is-selected-axis { box-shadow: inset 0 0 0 2px rgba(255,255,255,.72), inset 0 0 0 3px var(--ink); }
.correlation-matrix .is-dim { opacity: .16; }
.matrix-scale { display: grid; grid-template-columns: auto minmax(120px, 260px) auto; align-items: center; justify-content: end; gap: 9px; margin-top: 22px; color: var(--muted); font-size: .62rem; text-transform: uppercase; letter-spacing: .08em; }
.matrix-scale i { height: 8px; border: 1px solid rgba(21,35,32,.18); background: linear-gradient(90deg, rgba(164,81,63,.9), rgba(241,239,232,.9) 50%, rgba(18,111,101,.9)); }
.tag { display: inline-flex; align-items: center; min-height: 22px; padding: 2px 7px; border: 1px solid var(--line); color: var(--muted); background: rgba(255,255,255,.54); font-size: .62rem; line-height: 1.15; }
.factor-detail { min-width: 0; padding: clamp(28px, 4vw, 54px); position: sticky; top: 96px; max-height: calc(100vh - 116px); overflow-y: auto; }
.detail-kicker { display: flex; justify-content: space-between; align-items: center; gap: 14px; color: var(--accent-dark); font-size: .7rem; font-weight: 750; text-transform: uppercase; letter-spacing: .11em; }
.detail-kicker span:last-child { color: var(--muted); font-weight: 600; }
.factor-detail h3 { margin: 18px 0 10px; font-family: var(--serif); font-size: clamp(2rem, 3.5vw, 3.4rem); font-weight: 400; line-height: 1.03; letter-spacing: -.025em; }
.detail-summary { max-width: 720px; margin: 0; color: var(--muted); font-size: .98rem; }
.detail-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 20px 0 26px; }
.detail-meta { display: grid; grid-template-columns: repeat(4, 1fr); border-block: 1px solid var(--line); }
.detail-meta div { padding: 14px 12px 14px 0; }
.detail-meta dt { color: var(--muted); font-size: .63rem; text-transform: uppercase; letter-spacing: .08em; }
.detail-meta dd { margin: 3px 0 0; font-size: .78rem; font-weight: 650; }
.detail-section { padding-top: 28px; }
.detail-section + .detail-section { margin-top: 28px; border-top: 1px solid var(--line); }
.detail-section h4 { margin: 0 0 11px; font-size: .68rem; text-transform: uppercase; letter-spacing: .13em; }
.detail-section p { margin: 0; color: var(--muted); }
.construction-list { margin: 0; padding: 0; list-style: none; counter-reset: construction; }
.construction-list li { counter-increment: construction; display: grid; grid-template-columns: 28px 1fr; gap: 10px; margin-top: 9px; color: var(--muted); }
.construction-list li::before { content: counter(construction, decimal-leading-zero); color: var(--accent); font-size: .7rem; font-weight: 800; }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); border: 1px solid var(--line); }
.stat { padding: 14px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.stat:nth-child(3n) { border-right: 0; }
.stat:nth-child(n+4) { border-bottom: 0; }
.stat span { display: block; color: var(--muted); font-size: .62rem; text-transform: uppercase; letter-spacing: .08em; }
.stat strong { display: block; margin-top: 4px; font-family: var(--serif); font-size: 1.25rem; font-weight: 400; }
.line-chart { width: 100%; min-height: 220px; display: block; overflow: visible; }
.chart-axis { stroke: var(--line-strong); stroke-width: 1; }
.chart-gridline { stroke: var(--line); stroke-width: 1; stroke-dasharray: 3 5; }
.chart-line { fill: none; stroke: var(--accent); stroke-width: 2.2; vector-effect: non-scaling-stroke; }
.chart-area { fill: url(#areaFill); opacity: .65; }
.chart-label { fill: var(--muted); font: 10px var(--sans); }
.detail-links { display: grid; gap: 8px; }
.detail-link { display: flex; justify-content: space-between; gap: 20px; padding: 11px 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.detail-link:hover strong { color: var(--accent); }
.detail-link span { color: var(--muted); font-size: .72rem; }
.detail-link.is-disabled { color: var(--muted); pointer-events: none; }
.loading-state, .empty-state { margin: 0; padding: 30px; color: var(--muted); text-align: center; }
.empty-state strong { color: var(--ink); }

.method-summary, .market-summary { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line-strong); background: var(--white); }
.method-summary > div, .market-summary > div { min-height: 96px; display: flex; flex-direction: column; justify-content: center; padding: 18px 22px; border-right: 1px solid var(--line); }
.method-summary > div:last-child, .market-summary > div:last-child { border-right: 0; }
.method-summary span, .market-summary span { color: var(--muted); font-size: .62rem; text-transform: uppercase; letter-spacing: .09em; }
.method-summary strong, .market-summary strong { margin-top: 6px; font: 400 1.45rem var(--serif); }
.method-subheading { display: grid; grid-template-columns: 170px 1fr; align-items: end; margin-bottom: 22px; }
.method-subheading .label { margin: 0 0 5px; }
.method-subheading h3 { margin: 0; font: 400 clamp(1.6rem, 3vw, 2.45rem)/1.05 var(--serif); }
.method-protocol { margin-top: 64px; }
.method-protocol__grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line-strong); }
.method-protocol__item { min-height: 260px; padding: 24px; border-right: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); background: rgba(255,255,255,.45); }
.method-protocol__item > span { color: var(--accent); font: 750 .68rem var(--sans); }
.method-protocol__item h4 { margin: 34px 0 10px; font: 400 1.42rem var(--serif); }
.method-protocol__item p { max-width: 54ch; margin: 0; color: var(--muted); font-size: .78rem; }
.method-browser { margin-top: 72px; border: 1px solid var(--line-strong); background: var(--white); box-shadow: var(--shadow); }
.method-browser__header { display: flex; align-items: end; justify-content: space-between; gap: 24px; padding: 24px 28px; border-bottom: 1px solid var(--line-strong); }
.method-browser__header .label { margin: 0 0 6px; }
.method-browser__header h3 { margin: 0; font: 400 1.7rem var(--serif); }
.method-browser__header > span { margin: 0; color: var(--muted); font-size: .7rem; }
.method-tabs { display: flex; overflow-x: auto; border-bottom: 1px solid var(--line-strong); }
.method-tabs button { min-width: 118px; min-height: 68px; display: grid; align-content: center; gap: 3px; padding: 10px 16px; border: 0; border-right: 1px solid var(--line); background: var(--paper); color: var(--muted); text-align: left; cursor: pointer; }
.method-tabs button:first-child { margin-left: clamp(24px, 4vw, 48px); }
.method-tabs button:last-child { margin-right: clamp(24px, 4vw, 48px); }
.method-tabs button:hover { background: var(--accent-soft); color: var(--ink); }
.method-tabs button.is-active { background: var(--ink); color: var(--white); }
.method-tabs code { font: 750 .66rem var(--mono); }
.method-tabs span { font-size: .62rem; }
.method-sheet { padding: clamp(24px, 4vw, 48px); }
.method-sheet__heading { display: grid; grid-template-columns: minmax(0, 1fr) minmax(280px, .65fr); gap: 44px; align-items: end; padding-bottom: 28px; border-bottom: 1px solid var(--line); }
.method-sheet__heading span { color: var(--accent-dark); font: 750 .65rem var(--mono); text-transform: uppercase; letter-spacing: .09em; }
.method-sheet__heading h3 { margin: 8px 0 0; font: 400 clamp(2rem, 4vw, 3.65rem)/.98 var(--serif); letter-spacing: -.035em; }
.method-sheet__heading > p { margin: 0; color: var(--muted); }
.method-sheet__body { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr); gap: clamp(30px, 5vw, 64px); padding-top: 34px; }
.method-sheet__formulas { min-width: 0; }
.method-sheet__formulas section { padding: 0 0 22px; margin-bottom: 22px; border-bottom: 1px solid var(--line); }
.method-sheet__formulas section > span { color: var(--muted); font-size: .62rem; text-transform: uppercase; letter-spacing: .1em; }
.method-formula { min-height: 116px; display: flex; align-items: center; justify-content: center; margin-top: 9px; padding: 22px; overflow-x: auto; border-left: 3px solid var(--accent); background: var(--paper-deep); }
.method-formula--compact { min-height: 82px; justify-content: flex-start; margin-top: 22px; padding: 16px; border-left-width: 2px; background: var(--white); }
.method-formula .katex-display { margin: 0; }
.method-formula .katex { font-size: 1.05em; }
.method-formula--compact .katex { font-size: .9em; }
.formula-fallback { white-space: pre-wrap; }
.method-sheet__construction .label { margin-bottom: 18px; }
.method-sheet__construction ol { margin: 0; padding: 0; list-style: none; counter-reset: method-step; border-top: 1px solid var(--line); }
.method-sheet__construction li { counter-increment: method-step; position: relative; padding: 16px 0 16px 38px; border-bottom: 1px solid var(--line); color: var(--muted); font-size: .78rem; }
.method-sheet__construction li::before { content: counter(method-step, decimal-leading-zero); position: absolute; left: 0; color: var(--accent); font-size: .65rem; font-weight: 750; }
.method-sheet__construction dl { margin: 28px 0 0; }
.method-sheet__construction dl div { padding: 17px 0; border-top: 1px solid var(--line); }
.method-sheet__construction dt { color: var(--muted); font-size: .62rem; text-transform: uppercase; letter-spacing: .09em; }
.method-sheet__construction dd { margin: 6px 0 0; font-size: .76rem; }

.market-insights { display: grid; grid-template-columns: repeat(3, 1fr); border-inline: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); background: var(--paper-deep); }
.market-insights p { min-height: 76px; display: flex; align-items: center; margin: 0; padding: 16px 22px; border-right: 1px solid var(--line); color: var(--muted); font-size: .72rem; }
.market-insights p:last-child { border-right: 0; }
.market-structure { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 34px; }
.market-composition { min-width: 0; padding: 26px; border: 1px solid var(--line-strong); background: var(--white); }
.market-composition__header { display: flex; align-items: end; justify-content: space-between; gap: 22px; }
.market-composition__header p { margin: 0 0 5px; color: var(--muted); font-size: .65rem; }
.market-composition__header h3 { margin: 0; font: 400 1.55rem var(--serif); }
.market-composition__header > strong { font: 400 1.28rem var(--serif); white-space: nowrap; }
.market-composition__bar { height: 22px; display: flex; margin-top: 30px; overflow: hidden; border-block: 1px solid var(--line-strong); }
.market-composition__bar i { min-width: 2px; border-right: 1px solid rgba(255,255,255,.65); }
.market-composition ol { margin: 22px 0 0; padding: 0; list-style: none; }
.market-composition li { display: grid; grid-template-columns: minmax(0, 1fr) 66px 82px; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.market-composition li:last-child { border-bottom: 0; }
.market-composition__name { display: inline-flex; align-items: center; gap: 9px; font-size: .72rem; }
.market-composition__name i { width: 9px; height: 9px; flex: 0 0 auto; background: var(--category-color); }
.market-composition li > strong { text-align: right; font: 400 1rem var(--mono); }
.market-composition li > small { color: var(--muted); font-size: .62rem; text-align: right; }
.market-activity { margin-top: 66px; padding-top: 28px; border-top: 1px solid var(--line-strong); }
.market-activity__heading { display: flex; align-items: end; justify-content: space-between; gap: 40px; }
.market-activity__heading .label, .market-definitions__heading .label { margin: 0 0 6px; }
.market-activity__heading h3, .market-definitions__heading h3 { margin: 0; font: 400 clamp(1.8rem, 3vw, 2.65rem)/1 var(--serif); }
.market-activity__heading > p { max-width: 52ch; margin: 0; color: var(--muted); font-size: .7rem; }
.market-activity__legend { display: flex; flex-wrap: wrap; gap: 10px 22px; margin-top: 30px; }
.market-activity__legend span { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: .67rem; }
.market-activity__legend i { width: 22px; height: 3px; background: var(--series-color); }
.market-activity__chart { margin-top: 12px; padding: 20px 14px 0; border: 1px solid var(--line-strong); background: var(--white); }
.market-line-chart { width: 100%; display: block; overflow: visible; }
.market-line-chart polyline { fill: none; stroke: var(--series-color); stroke-width: 2.2; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.market-definitions { display: grid; grid-template-columns: minmax(220px, .45fr) minmax(0, 1.55fr); gap: 54px; margin-top: 72px; }
.market-definitions__heading { align-self: start; position: sticky; top: 96px; }
.market-definitions__grid { display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line-strong); border-left: 1px solid var(--line-strong); }
.market-definition { min-height: 248px; display: flex; flex-direction: column; padding: 24px; border-right: 1px solid var(--line-strong); border-bottom: 1px solid var(--line-strong); box-shadow: inset 4px 0 0 var(--category-color); background: var(--white); }
.market-definition__head { display: grid; gap: 8px; }
.market-definition__head > span { color: var(--category-color); font: 750 .68rem var(--mono); }
.market-definition__head > strong { font: 400 1.32rem var(--serif); }
.market-definition > p { margin: 24px 0; color: var(--muted); font-size: .75rem; }
.market-definition__meta { display: grid; gap: 6px; margin-top: auto; padding-top: 15px; border-top: 1px solid var(--line); color: var(--muted); font-size: .62rem; }
.market-definition__meta span:last-child { color: var(--ink); font-family: var(--mono); }

.paper-list { border-top: 1px solid var(--line-strong); }
.paper-card { display: grid; grid-template-columns: 80px minmax(0, 1.4fr) minmax(220px, .55fr) 120px; gap: 24px; align-items: start; padding: 27px 0; border-bottom: 1px solid var(--line); }
.paper-card__index { color: var(--accent); font-family: var(--serif); font-size: 1.5rem; }
.paper-card h3 { margin: 0; font-family: var(--serif); font-size: 1.35rem; font-weight: 400; }
.paper-card p { margin: 8px 0 0; color: var(--muted); font-size: .78rem; }
.paper-factors { display: flex; flex-wrap: wrap; gap: 5px; }
.paper-link { justify-self: end; text-decoration: none; border-bottom: 1px solid currentColor; font-size: .72rem; font-weight: 700; }
.paper-link.is-disabled { color: var(--muted); border-bottom-style: dotted; pointer-events: none; }

.downloads-toolbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 14px; }
.downloads-toolbar .search-field { width: min(520px, 100%); }
.downloads-toolbar p { color: var(--muted); font-size: .75rem; }
.download-table-wrap { overflow-x: auto; border: 1px solid var(--line-strong); background: var(--white); }
.download-table { width: 100%; min-width: 850px; border-collapse: collapse; text-align: left; }
.download-table th { padding: 12px 15px; border-bottom: 1px solid var(--line-strong); color: var(--muted); font-size: .62rem; text-transform: uppercase; letter-spacing: .09em; }
.download-table td { padding: 17px 15px; border-bottom: 1px solid var(--line); font-size: .76rem; vertical-align: top; }
.download-table tr:last-child td { border-bottom: 0; }
.download-table td:first-child strong { display: block; font-family: var(--serif); font-size: .98rem; font-weight: 400; }
.download-table td:first-child span { color: var(--muted); font-size: .65rem; }
.availability { display: inline-flex; align-items: center; gap: 6px; font-size: .68rem; font-weight: 750; }
.availability::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.availability--off { color: var(--muted); }
.availability--off::before { background: var(--line-strong); }
.download-table th:last-child, .download-table td:last-child { min-width: 108px; }
.download-action { display: inline-flex; align-items: center; white-space: nowrap; text-decoration: none; border-bottom: 1px solid currentColor; font-weight: 750; }
.download-action.is-disabled { color: var(--muted); border-bottom-style: dotted; pointer-events: none; }
.publication-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 22px; }
.publication-card { padding: 20px; border: 1px solid var(--line); }
.publication-card h3 { margin: 0; font-size: .68rem; text-transform: uppercase; letter-spacing: .1em; }
.publication-card p, .publication-card pre { margin: 10px 0 0; color: var(--muted); font-size: .74rem; white-space: pre-wrap; font-family: inherit; }

.site-footer { color: #c8d2ce; background: #101b18; padding-block: 48px 24px; }
.footer-grid { display: grid; grid-template-columns: 1.5fr .7fr auto; gap: 28px; align-items: start; }
.footer-grid > div { display: grid; gap: 6px; }
.footer-grid strong { color: var(--white); font-family: var(--serif); font-weight: 400; }
.footer-grid span { color: #82918b; font-size: .63rem; text-transform: uppercase; letter-spacing: .1em; }
.footer-grid p { margin: 0; font-size: .72rem; }
.footer-grid a { font-size: .72rem; }
.footer-legal { margin-top: 36px; padding-top: 18px; border-top: 1px solid #2f3d39; }
.footer-legal p { max-width: 900px; margin: 0; color: #81908b; font-size: .68rem; }
.fatal-error { position: fixed; right: 20px; bottom: 20px; max-width: 430px; padding: 20px; border: 1px solid var(--danger); background: #fff5f2; color: var(--danger); box-shadow: var(--shadow); z-index: 80; }
.fatal-error p { margin: 5px 0 0; font-size: .78rem; }

@media (max-width: 1280px) {
  .catalog-layout { grid-template-columns: 1fr; }
  .factor-index { border-right: 0; border-bottom: 1px solid var(--line-strong); }
  .map-stage { min-height: 660px; }
  .factor-detail { position: static; max-height: none; }
}

@media (max-width: 1040px) {
  .primary-nav { gap: 15px; }
  .primary-nav a { font-size: .7rem; }
  .intro { grid-template-columns: 1fr; align-items: start; }
  .release-card { min-height: 320px; max-width: 620px; }
  .method-sheet__body { grid-template-columns: 1fr; }
  .market-definitions { grid-template-columns: 1fr; gap: 28px; }
  .market-definitions__heading { position: static; }
}

@media (max-width: 780px) {
  :root { --shell: min(100% - 30px, 680px); }
  html { scroll-padding-top: 74px; }
  .site-header { top: 0; }
  .header-inner { min-height: 64px; }
  .nav-toggle { display: grid; gap: 6px; }
  .nav-toggle span:not(.sr-only) { display: block; width: 24px; height: 1px; background: var(--ink); }
  .primary-nav { position: absolute; top: 64px; left: 0; right: 0; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 10px 15px 20px; border-bottom: 1px solid var(--line-strong); background: var(--paper); }
  .primary-nav.is-open { display: flex; }
  .primary-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); font-size: .78rem; }
  .primary-nav a::after { display: none; }
  .intro { padding-block: 64px 56px; gap: 54px; }
  .intro h1 { font-size: clamp(2.7rem, 13.5vw, 5.5rem); }
  .release-grid { grid-template-columns: 1fr 1fr; }
  .release-grid > div { min-height: 96px; padding: 18px; border-bottom: 1px solid rgba(255,255,255,.16); }
  .release-grid > div:nth-child(even) { border-right: 1px solid rgba(255,255,255,.16); }
  .section-heading { grid-template-columns: 1fr; gap: 18px; }
  .catalog-tools { grid-template-columns: 1fr 1fr; }
  .catalog-tools .search-field { grid-column: 1 / -1; }
  .catalog-tools .text-button { justify-self: start; min-height: 36px; }
  .relationship-toolbar { align-items: flex-start; }
  .map-stage { min-height: 620px; }
  .detail-meta { grid-template-columns: 1fr 1fr; }
  .method-summary, .market-summary { grid-template-columns: 1fr 1fr; }
  .method-summary > div:nth-child(2), .market-summary > div:nth-child(2) { border-right: 0; }
  .method-summary > div:nth-child(-n+2), .market-summary > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .method-protocol__grid { grid-template-columns: 1fr; }
  .method-sheet__heading { grid-template-columns: 1fr; gap: 18px; }
  .market-insights, .market-structure { grid-template-columns: 1fr; }
  .market-insights p { min-height: 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .market-insights p:last-child { border-bottom: 0; }
  .market-activity__heading { align-items: flex-start; flex-direction: column; gap: 14px; }
  .publication-grid { grid-template-columns: 1fr; }
  .paper-card { grid-template-columns: 55px minmax(0, 1fr); }
  .paper-card__meta, .paper-link { grid-column: 2; justify-self: start; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 520px) {
  .brand small { display: none; }
  .brand-mark { width: 30px; height: 30px; }
  .release-card { min-height: 0; }
  .release-meta { grid-template-columns: 1fr; }
  .release-meta div:nth-child(even) { padding-left: 0; border-left: 0; }
  .release-meta div:nth-child(odd) { padding-right: 0; }
  .release-grid strong { font-size: 1.55rem; }
  .catalog-tools { grid-template-columns: 1fr; }
  .catalog-tools .search-field { grid-column: auto; }
  .select-field { min-height: 48px; }
  .relationship-toolbar { flex-direction: column; gap: 12px; }
  .view-switch { width: 100%; }
  .view-switch button { width: 100%; min-height: 38px; }
  .map-stage { min-height: 0; }
  .map-lines, .axis { display: none; }
  .map-nodes { position: static; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; padding: 14px; }
  .map-node { position: static; width: auto; min-height: 112px; transform: none; }
  .map-node::before { display: none; }
  .map-node:hover, .map-node:focus-visible { transform: translateY(-3px); }
  .map-node.is-unrelated { opacity: .68; }
  .matrix-stage { min-height: 0; padding: 14px; }
  .matrix-scale { grid-template-columns: auto minmax(90px, 1fr) auto; justify-content: stretch; }
  .factor-detail { padding: 24px 18px; }
  .detail-kicker { align-items: flex-start; flex-direction: column; }
  .detail-meta, .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3n) { border-right: 1px solid var(--line); }
  .stat:nth-child(even) { border-right: 0; }
  .stat:nth-child(n+4) { border-bottom: 1px solid var(--line); }
  .stat:nth-last-child(-n+2) { border-bottom: 0; }
  .method-subheading { grid-template-columns: 1fr; gap: 8px; }
  .method-protocol__item { min-height: 0; }
  .method-browser__header { align-items: flex-start; flex-direction: column; }
  .method-tabs button:first-child { margin-left: 16px; }
  .method-tabs button:last-child { margin-right: 16px; }
  .method-sheet { padding: 22px 16px; }
  .method-formula { justify-content: flex-start; padding-inline: 14px; }
  .method-formula .katex { font-size: .88em; }
  .market-composition { padding: 20px 16px; }
  .market-composition__header { align-items: flex-start; flex-direction: column; gap: 8px; }
  .market-composition li { grid-template-columns: minmax(0, 1fr) 58px 72px; gap: 8px; }
  .market-activity { margin-top: 48px; }
  .market-activity__chart { padding-inline: 4px; overflow-x: auto; }
  .market-line-chart { min-width: 620px; }
  .market-definitions { margin-top: 52px; }
  .market-definitions__grid { grid-template-columns: 1fr; }
  .market-definition { min-height: 220px; }
  .paper-card { grid-template-columns: 40px minmax(0, 1fr); gap: 14px; }
  .downloads-toolbar { align-items: flex-start; flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}