/* A small reset; layout and type are intentionally the visual system. */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body, h1, h2, h3, p, figure { margin: 0; }
button, input, select { font: inherit; }
button { cursor: pointer; }
img, svg { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 4px; }

:root {
  color-scheme: light;
  --ink: #111210;
  --muted: #5f625e;
  --line: #d6d8d3;
  --soft: #f4f5f1;
  --paper: #fff;
  --mono: "IBM Plex Mono", ui-monospace, SFMono-Regular, Consolas, monospace;
  --sans: "IBM Plex Sans", Arial, sans-serif;
}

body { min-width: 320px; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; line-height: 1.5; }
::selection { color: #fff; background: var(--ink); }
.page-shell { width: min(100%, 1600px); margin-inline: auto; padding-inline: clamp(18px, 3.2vw, 58px); }
.site-header { min-height: 88px; display: flex; align-items: center; justify-content: space-between; gap: 28px; border-bottom: 1px solid var(--ink); }
.brand { display: inline-flex; gap: 14px; align-items: center; text-decoration: none; white-space: nowrap; font: 600 12px/1.3 var(--mono); letter-spacing: .035em; }
.brand-mark { display: inline-grid; place-items: center; width: 76px; height: 34px; border: 1px solid var(--ink); font-size: 11px; }
.top-nav { display: flex; align-items: stretch; gap: clamp(10px, 2.4vw, 38px); min-height: 88px; }
.top-nav a { display: inline-flex; align-items: center; padding: 4px 0 0; border-bottom: 2px solid transparent; color: var(--muted); text-decoration: none; white-space: nowrap; font: 500 11px/1.2 var(--mono); letter-spacing: .025em; transition: color .18s, border-color .18s; }
.top-nav a:is(:hover, .active) { color: var(--ink); border-bottom-color: var(--ink); }

.hero { border-bottom: 1px solid var(--ink); }
.home-hero { min-height: min(680px, 72vh); padding-block: clamp(72px, 10vw, 160px) 48px; display: flex; flex-direction: column; align-items: flex-start; }
.sub-hero { padding-block: clamp(70px, 9vw, 132px) clamp(55px, 8vw, 110px); }
.eyebrow, .section-index, .tiny-label, .panel-kicker, .hero-meta, .card-top, .card-footer, .note-line, .source-links, .site-footer, .segmented, .filters label, .gate-control label, .show-more { font-family: var(--mono); font-size: 11px; font-weight: 500; letter-spacing: .055em; }
.eyebrow { display: flex; align-items: center; gap: 10px; margin-bottom: 30px; }
.live-dot { width: 7px; height: 7px; border: 1px solid var(--ink); background: var(--ink); }
.slash, .meta-divider { color: #a5a8a1; }
.hero h1 { max-width: 1100px; font-size: clamp(64px, 9.1vw, 142px); line-height: .92; letter-spacing: -.075em; font-weight: 500; text-wrap: balance; }
.hero h1 em { font-family: var(--mono); font-size: .82em; font-weight: 400; font-style: normal; letter-spacing: -.095em; }
.hero-lede { max-width: 675px; margin-top: clamp(35px, 5vw, 66px); font-size: clamp(18px, 1.65vw, 25px); line-height: 1.4; letter-spacing: -.022em; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 18px; margin-top: auto; padding-top: 55px; color: var(--muted); }

.overview-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 44px; border: 1px solid var(--ink); }
.route-card { min-height: 410px; display: flex; flex-direction: column; padding: clamp(24px, 3.2vw, 52px); text-decoration: none; transition: color .22s, background-color .22s; }
.route-card + .route-card { border-left: 1px solid var(--ink); }
.route-card:hover { background: var(--ink); color: #fff; }
.card-top { display: flex; align-items: flex-start; justify-content: space-between; }
.arrow { font: 400 27px/1 var(--sans); }
.route-card h2 { margin-top: 42px; font-size: clamp(46px, 5.2vw, 80px); line-height: .96; letter-spacing: -.06em; font-weight: 500; }
.route-card p { max-width: 490px; margin-top: 28px; font-size: 17px; line-height: 1.48; }
.card-footer { display: flex; justify-content: space-between; align-items: flex-end; margin-top: auto; padding-top: 45px; }

.section-grid { display: grid; grid-template-columns: minmax(150px, 23%) minmax(0, 1fr); gap: 25px; }
.home-method, .intro-block, .method-block, .gate-section { padding-block: clamp(78px, 9vw, 140px); border-bottom: 1px solid var(--ink); }
.finding-block { padding-block: clamp(72px, 8vw, 115px); border-bottom: 1px solid var(--ink); }
.finding-block .body-lede { margin-top: 33px; }
.finding-block .quiet { max-width: 700px; margin-top: 22px; }
.section-index { padding-top: 8px; color: var(--muted); }
.section-title { font-size: clamp(37px, 4.1vw, 64px); line-height: 1.02; letter-spacing: -.06em; font-weight: 500; text-wrap: balance; }
.method-columns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(24px, 4vw, 80px); margin-top: 38px; }
.method-columns p, .body-lede { max-width: 680px; font-size: 18px; line-height: 1.55; }
.method-columns h3 { margin-bottom: 12px; font: 600 12px/1.4 var(--mono); letter-spacing: .04em; text-transform: uppercase; }
.text-link, .source-links a { display: inline-flex; gap: 15px; margin-top: 34px; padding-block: 10px; border-bottom: 1px solid var(--ink); text-decoration: none; font: 600 11px/1.2 var(--mono); letter-spacing: .04em; }
.text-link:hover, .source-links a:hover { background: var(--soft); }
.quiet { color: var(--muted); font-size: 14px; line-height: 1.55; }
.intro-block .body-lede { margin-top: 35px; }
.intro-block .quiet { max-width: 700px; margin-top: 24px; }
.note-line { display: flex; justify-content: space-between; gap: 20px; max-width: 700px; margin-top: 30px; padding: 16px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.note-line strong { font-weight: 600; }

.results-section, .case-section { padding-block: clamp(74px, 8vw, 120px); border-bottom: 1px solid var(--ink); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 22px; margin-bottom: 34px; }
.section-heading .section-index { margin-bottom: 16px; }
.tiny-label { color: var(--muted); text-align: right; }
.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--ink); border-left: 1px solid var(--ink); }
.metric { min-height: 155px; display: flex; flex-direction: column; justify-content: space-between; padding: 20px 22px 18px; border-right: 1px solid var(--ink); border-bottom: 1px solid var(--ink); }
.metric-label { font: 500 11px/1.25 var(--mono); letter-spacing: .04em; color: var(--muted); }
.metric-value { font-size: clamp(28px, 3vw, 49px); line-height: 1; letter-spacing: -.07em; font-weight: 500; white-space: nowrap; }
.metric-foot { font: 400 11px/1.4 var(--mono); color: var(--muted); }
.metric.inverted { background: var(--ink); color: #fff; }
.metric.inverted :is(.metric-label, .metric-foot) { color: #c7c9c5; }
.condition-row { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 0 28px; }
.condition-row p { text-align: right; }

.chart-panel { margin-top: 56px; padding: clamp(22px, 3vw, 44px); border: 1px solid var(--ink); }
.panel-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 38px; }
.panel-kicker { color: var(--muted); }
.panel-head h3 { margin-top: 8px; font-size: clamp(22px, 2.4vw, 35px); letter-spacing: -.04em; font-weight: 500; }
.segmented { display: flex; border: 1px solid var(--ink); }
.segmented button { min-height: 36px; padding: 8px 14px; border: 0; background: #fff; color: var(--ink); font: inherit; font-size: 10px; }
.segmented button + button { border-left: 1px solid var(--ink); }
.segmented button[aria-pressed="true"] { color: #fff; background: var(--ink); }
.bar-chart { display: grid; gap: 15px; }
.bar-row { display: grid; grid-template-columns: 55px 1fr; align-items: center; gap: 18px; }
.bar-key { color: var(--muted); font: 500 11px var(--mono); }
.bar-pair { display: grid; gap: 5px; }
.bar-line { display: grid; grid-template-columns: 35px minmax(0, 1fr) 65px; align-items: center; gap: 9px; }
.bar-model, .bar-value { font: 500 10px var(--mono); }
.bar-value { text-align: right; }
.bar-track { min-height: 22px; position: relative; background: var(--soft); }
.bar-fill { min-width: 2px; height: 22px; background: var(--ink); }
.bar-fill.jev { background: #888b85; }
.bar-fill[data-zero="true"] { width: 2px !important; }
.chart-note { margin-top: 26px; color: var(--muted); font-size: 13px; }

.table-wrap { width: 100%; overflow-x: auto; margin-top: 50px; border-top: 1px solid var(--ink); }
.data-table { width: 100%; min-width: 850px; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.data-table caption { text-align: left; padding: 0; height: 0; overflow: hidden; }
.data-table th { padding: 16px 12px 16px 0; color: var(--muted); text-align: left; font: 500 10px/1.2 var(--mono); letter-spacing: .04em; white-space: nowrap; }
.data-table td { padding: 16px 12px 16px 0; border-top: 1px solid var(--line); font: 500 12px/1.3 var(--mono); }
.data-table tbody tr { cursor: pointer; }
.data-table tbody tr:hover, .data-table tbody tr.selected { background: var(--soft); }
.data-table .status-good { font-weight: 600; }
.data-table .status-bad { color: var(--muted); }
.detail-panel { min-height: 100px; padding: 25px; border: 1px solid var(--ink); margin-top: 20px; }
.detail-panel h3 { font: 600 12px var(--mono); margin-bottom: 14px; }
.detail-comparison { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; }
.detail-comparison > div + div { padding-left: 30px; border-left: 1px solid var(--line); }
.detail-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.detail-grid dt { color: var(--muted); font: 500 10px var(--mono); }
.detail-grid dd { margin: 5px 0 0; font: 500 17px var(--mono); }
.source-links { display: flex; flex-wrap: wrap; gap: 30px; }

.decision-list { margin-top: 38px; border-top: 1px solid var(--ink); }
.decision-list > div { display: grid; grid-template-columns: 40px minmax(140px, 220px) 1fr; gap: 20px; align-items: baseline; padding: 16px 0; border-bottom: 1px solid var(--line); }
.decision-list span { font: 500 11px var(--mono); color: var(--muted); }
.decision-list strong { font-weight: 600; }
.decision-list p { color: var(--muted); }
.category-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 54px; }
.category-card { padding: 28px; border: 1px solid var(--ink); }
.category-card-head { display: flex; justify-content: space-between; align-items: start; gap: 15px; padding-bottom: 25px; border-bottom: 1px solid var(--line); }
.category-number { font: 500 11px var(--mono); color: var(--muted); }
.category-card h3 { font-size: 26px; line-height: 1.08; letter-spacing: -.045em; font-weight: 500; }
.category-card p { max-width: 500px; margin: 18px 0 25px; color: var(--muted); font-size: 14px; }
.score-row { display: grid; grid-template-columns: 50px 1fr 88px; align-items: center; gap: 10px; margin-top: 12px; font: 500 11px var(--mono); }
.score-row .track { height: 14px; background: var(--soft); }
.score-row .fill { height: 14px; background: var(--ink); }
.score-row.jev .fill { background: #888b85; }
.score-row .value { text-align: right; }
.category-foot { display: flex; justify-content: space-between; gap: 10px; margin-top: 26px; padding-top: 15px; border-top: 1px solid var(--line); color: var(--muted); font: 500 10px var(--mono); }
.category-link { margin-top: 22px; padding: 8px 0; border: 0; border-bottom: 1px solid var(--ink); background: transparent; font: 600 10px var(--mono); letter-spacing: .04em; }
.category-link:hover { background: var(--soft); }

.gate-control { max-width: 680px; margin-top: 35px; }
.gate-control label { display: flex; justify-content: space-between; }
.gate-control select { width: 100%; min-height: 43px; padding: 10px 12px; margin-top: 10px; border: 1px solid var(--ink); border-radius: 0; background: #fff; font: 500 12px var(--mono); }
.gate-control .threshold-label { margin-top: 26px; }
.gate-control input { width: 100%; margin: 21px 0 0; accent-color: var(--ink); }
.gate-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 30px; }
.gate-card { border: 1px solid var(--ink); padding: 25px; }
.gate-card h3 { font: 600 12px var(--mono); }
.gate-card .gate-values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; margin-top: 25px; }
.gate-card .gate-values div { border-top: 1px solid var(--line); padding-top: 10px; }
.gate-card .gate-values span { display: block; color: var(--muted); font: 500 10px var(--mono); }
.gate-card .gate-values strong { display: block; margin-top: 7px; font: 500 clamp(20px, 2.3vw, 34px)/1 var(--mono); letter-spacing: -.07em; }
.gate-section .quiet { margin-top: 23px; }

.filters { display: grid; grid-template-columns: 1fr 1fr 1.5fr; gap: 12px; padding: 23px; border: 1px solid var(--ink); }
.filters label { display: grid; gap: 9px; color: var(--muted); }
.filters :is(select, input) { width: 100%; min-height: 43px; padding: 10px 12px; border: 1px solid var(--ink); border-radius: 0; color: var(--ink); background: #fff; font: 500 12px var(--mono); }
.filters input::placeholder { color: #92958e; }
.case-list { border-inline: 1px solid var(--ink); }
.case-item { border-bottom: 1px solid var(--ink); }
.case-item summary { display: grid; grid-template-columns: 96px minmax(0, 1fr) 85px 85px 22px; gap: 14px; align-items: center; min-height: 75px; padding: 15px 23px; list-style: none; cursor: pointer; }
.case-item summary::-webkit-details-marker { display: none; }
.case-item summary:hover { background: var(--soft); }
.case-item[open] summary { background: var(--soft); border-bottom: 1px solid var(--line); }
.case-id { color: var(--muted); font: 500 10px var(--mono); }
.case-title { font-size: 14px; font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.case-status { font: 600 10px var(--mono); white-space: nowrap; }
.case-status.bad { color: var(--muted); }
.case-plus { justify-self: end; font: 400 22px var(--mono); }
.case-item[open] .case-plus { transform: rotate(45deg); }
.case-body { padding: 27px 23px 30px; }
.case-columns { display: grid; grid-template-columns: minmax(0, 1.3fr) repeat(2, minmax(0, 1fr)); gap: 26px; }
.case-columns h4 { margin: 0 0 12px; font: 600 11px var(--mono); }
.case-columns pre { margin: 0; padding: 16px; max-height: 320px; overflow: auto; border: 1px solid var(--line); background: var(--soft); white-space: pre-wrap; overflow-wrap: anywhere; font: 400 11px/1.5 var(--mono); }
.case-result { padding: 16px; border: 1px solid var(--line); }
.case-result .prediction { margin-top: 12px; font: 500 18px/1.2 var(--mono); overflow-wrap: anywhere; }
.case-result dl { margin: 18px 0 0; display: grid; grid-template-columns: 1fr auto; gap: 6px 10px; font: 400 11px var(--mono); }
.case-result dt { color: var(--muted); }
.case-result dd { margin: 0; text-align: right; }
.show-more { width: 100%; min-height: 55px; margin-top: 0; border: 1px solid var(--ink); border-top: 0; background: #fff; }
.show-more:hover { background: var(--ink); color: #fff; }
.show-more[hidden] { display: none; }

.site-footer { min-height: 90px; display: flex; justify-content: space-between; align-items: center; gap: 15px; color: var(--muted); }
.site-footer a { text-decoration: none; color: var(--ink); }
.site-footer a:hover { text-decoration: underline; text-underline-offset: 3px; }

@media (max-width: 1050px) {
  .site-header { align-items: flex-start; flex-direction: column; gap: 10px; padding-top: 18px; }
  .top-nav { min-height: 47px; width: 100%; gap: 22px; overflow-x: auto; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .case-columns { grid-template-columns: 1fr 1fr; }
  .case-columns > div:first-child { grid-column: 1 / -1; }
}
@media (max-width: 720px) {
  .top-nav { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; overflow: visible; }
  .top-nav a { justify-content: center; min-height: 50px; padding: 7px 4px; text-align: center; white-space: normal; font-size: 10px; }
  .home-hero { min-height: 550px; }
  .hero h1 { font-size: clamp(57px, 13vw, 90px); }
  .overview-grid, .section-grid, .method-columns, .category-grid, .gate-grid { grid-template-columns: 1fr; }
  .route-card + .route-card { border-left: 0; border-top: 1px solid var(--ink); }
  .route-card { min-height: 370px; }
  .section-grid { gap: 24px; }
  .section-heading { align-items: start; flex-direction: column; }
  .tiny-label { text-align: left; }
  .panel-head { align-items: start; flex-direction: column; }
  .condition-row { align-items: start; flex-direction: column; }
  .condition-row p { text-align: left; }
  .segmented { width: 100%; }
  .segmented button { flex: 1; padding-inline: 8px; }
  .decision-list > div { grid-template-columns: 25px 1fr; gap: 8px 15px; }
  .decision-list p { grid-column: 2; }
  .filters { grid-template-columns: 1fr; }
  .case-item summary { grid-template-columns: 70px minmax(0, 1fr) 22px; gap: 8px; padding: 14px; }
  .case-item summary .case-status { display: none; }
  .case-body { padding-inline: 14px; }
  .case-columns { grid-template-columns: 1fr; }
  .case-columns > div:first-child { grid-column: auto; }
  .detail-grid { grid-template-columns: repeat(2, 1fr); }
  .detail-comparison { grid-template-columns: 1fr; }
  .detail-comparison > div + div { padding: 25px 0 0; border-left: 0; border-top: 1px solid var(--line); }
  .site-footer { padding-block: 25px; align-items: start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}