:root {
  color-scheme: dark;
  --surface: #101210;
  --surface-raised: #171a18;
  --paper: var(--surface);
  --paper-deep: #090a09;
  --ink: #f3f4ef;
  --muted: #9ca39c;
  --line: #343934;
  --signal: #caff4a;
  --jev: var(--signal);
  --terra: #62d7ff;
  --opus: #ff9e64;
  --correct: #8fdd70;
  --incorrect: #ff6b5f;
  --insufficient: #f3c969;
  --error: #d989c3;
  --focus: var(--signal);
  --display: "Arial Black", "Helvetica Neue", Arial, sans-serif;
  --body: "Helvetica Neue", Arial, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(rgba(202,255,74,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(202,255,74,.045) 1px, transparent 1px),
    var(--paper);
  background-size: 4rem 4rem, 4rem 4rem, auto;
  font-family: var(--body);
  line-height: 1.5;
}
a { color: inherit; text-underline-offset: .22em; }
button, select { font: inherit; }
button { color: inherit; }
.skip-link { position: fixed; top: .5rem; left: .5rem; z-index: 20; padding: .65rem 1rem; background: var(--signal); color: var(--surface); transform: translateY(-150%); }
.skip-link:focus { transform: translateY(0); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; }
.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; }

.masthead { min-height: 5rem; padding: 1rem clamp(1rem, 4vw, 4.5rem); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); background: var(--paper-deep); }
.wordmark { display: inline-flex; align-items: center; gap: .75rem; font-weight: 650; text-decoration: none; letter-spacing: .02em; }
.wordmark span { display: grid; place-items: center; width: 2.25rem; aspect-ratio: 1; color: var(--surface); background: var(--signal); font-family: var(--mono); font-size: .75rem; }
.run-state { display: inline-flex; align-items: center; gap: .5rem; color: var(--muted); font: .72rem var(--mono); text-transform: uppercase; letter-spacing: .09em; }
.run-state i { width: .55rem; height: .55rem; background: var(--signal); box-shadow: 0 0 0 .22rem rgba(202,255,74,.13); }

main { width: min(100% - 2rem, 88rem); margin: 0 auto; }
.hero { min-height: 42rem; display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(2rem, 6vw, 8rem); align-items: center; padding: 6rem 0 4rem; }
.eyebrow, .section-number { margin: 0 0 1rem; font: 700 .68rem var(--mono); letter-spacing: .13em; text-transform: uppercase; color: var(--jev); }
h1, h2 { font-family: var(--display); font-weight: 800; line-height: .92; letter-spacing: -.055em; }
h1 { margin: 0; font-size: clamp(4rem, 8.5vw, 8.4rem); }
h1 em { color: var(--jev); font-style: normal; font-weight: 800; }
h2 { margin: 0; font-size: clamp(2.25rem, 4vw, 4.2rem); }
.lede { margin: 0 0 2.5rem; font: 1.18rem/1.55 var(--body); }
.model-definitions { margin: 0; border-top: 1px solid var(--line); }
.model-definitions div { display: grid; grid-template-columns: 4rem 1fr; gap: 1rem; padding: .8rem 0; border-bottom: 1px solid var(--line); }
.model-definitions dt { font-weight: 750; }
.model-definitions dd { margin: 0; color: var(--muted); }

.run-strip { display: grid; grid-template-columns: 1fr 1fr 1fr auto; align-items: stretch; border: 1px solid var(--line); background: var(--surface-raised); }
.run-strip > div { min-width: 0; padding: 1rem 1.25rem; border-right: 1px solid var(--line); }
.run-strip span, .metric-label { display: block; margin-bottom: .25rem; color: var(--muted); font: .65rem var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.run-strip strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font: 650 .82rem var(--mono); }

.primary-results, .panel, .explorer { padding: clamp(4rem, 8vw, 8rem) 0; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 2rem; margin-bottom: 2rem; }
.section-heading > p { max-width: 29rem; margin: 0; color: var(--muted); }
.section-heading.compact { align-items: start; }
.section-heading.compact h2 { font-size: clamp(2rem, 3vw, 3.25rem); }
.scorecards { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 1rem; }
.scorecard { position: relative; min-height: 23rem; display: flex; flex-direction: column; padding: 1.4rem; border: 1px solid var(--line); background: rgba(16,18,16,.92); box-shadow: .4rem .4rem 0 rgba(202,255,74,.14); overflow: hidden; animation: rise .5s both; }
.scorecard::before { content: attr(data-index); position: absolute; right: -.1em; bottom: -.32em; color: rgba(243,244,239,.035); font: 12rem/1 var(--display); }
.scorecard[data-model="jev"] { border-top: .45rem solid var(--jev); }
.scorecard[data-model="terra"] { border-top: .45rem solid var(--terra); animation-delay: .08s; }
.scorecard[data-model="opus"] { border-top: .45rem solid var(--opus); animation-delay: .16s; }
.model-kicker { margin: 0 0 .3rem; color: var(--muted); font: .65rem var(--mono); text-transform: uppercase; letter-spacing: .1em; }
.scorecard h3 { margin: 0; font: 800 2.6rem var(--display); }
.model-id { min-height: 2.6rem; margin: .1rem 0 2rem; color: var(--muted); font: .72rem/1.4 var(--mono); }
.hero-metric { margin: auto 0 1.5rem; }
.metric-value { display: block; font: 800 clamp(4rem, 7vw, 6rem)/.9 var(--display); letter-spacing: -.06em; }
.metric-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: .75rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.metric-grid strong { font: 650 1rem var(--mono); }

.panel { border-top: 1px solid var(--line); }
.vulnerable { background: var(--incorrect); }
.safe { background: var(--correct); }
.insufficient, .insufficient_context { background: var(--insufficient); }
.warnings { margin: 0 auto 1.5rem; padding: .9rem 1.2rem; border: 1px solid var(--insufficient); border-radius: 6px; background: color-mix(in srgb, var(--insufficient) 12%, var(--surface)); }
.warnings ul { margin: 0; padding-left: 1.2rem; }
.error { background: var(--error); }

.analysis-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.chart svg { width: 100%; height: auto; overflow: visible; }
.chart text { fill: var(--ink); font-family: var(--mono); font-size: 10px; }
.chart .gridline { stroke: var(--line); stroke-dasharray: 2 3; }
.table-scroll { margin-top: 1.5rem; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .82rem; }
caption { text-align: left; padding: 0 0 .5rem; font-weight: 700; }
th, td { padding: .6rem .5rem; border-bottom: 1px solid var(--line); text-align: right; }
th:first-child, td:first-child { text-align: left; }
.matrix-stack { display: grid; gap: 1.5rem; }
.matrix-wrap { overflow-x: auto; }
.matrix-wrap table { table-layout: fixed; }
.matrix-wrap td { text-align: center; font: 650 .8rem var(--mono); background: var(--surface-raised); border: 2px solid var(--paper); }

.method { display: grid; grid-template-columns: .35fr 1fr 1fr; gap: 2rem; padding: 8rem 0; border-top: 1px solid var(--line); }
.method h2 { font-size: clamp(2.7rem, 5vw, 5.4rem); }
.method-copy { padding-top: .5rem; columns: 2; column-gap: 2rem; color: var(--muted); }
.method-copy p { margin-top: 0; break-inside: avoid; }

.explorer { border-top: 1px solid var(--line); }
.filters { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: .65rem; margin-bottom: 2rem; }
.filters label { color: var(--muted); font: 650 .65rem var(--mono); text-transform: uppercase; letter-spacing: .06em; }
.filters select { width: 100%; margin-top: .35rem; padding: .65rem 2rem .65rem .65rem; border: 1px solid var(--line); border-radius: 0; color: var(--ink); background: var(--surface-raised); }
.case-list { display: grid; gap: .75rem; }
.case { border: 1px solid var(--line); background: rgba(16,18,16,.9); }
.case summary { display: grid; grid-template-columns: minmax(0,1fr) auto auto; gap: 1rem; align-items: center; padding: 1rem; cursor: pointer; }
.case summary:hover { background: var(--surface-raised); }
.case-id { overflow-wrap: anywhere; font: 650 .82rem var(--mono); }
.tag { padding: .25rem .5rem; border: 1px solid currentColor; color: var(--muted); font: .62rem var(--mono); text-transform: uppercase; }
.case-body { display: grid; grid-template-columns: 1.1fr .9fr; gap: 1rem; padding: 0 1rem 1rem; }
.case pre { max-height: 25rem; margin: 0; padding: 1rem; overflow: auto; color: #e7eee9; background: #090a09; font: .72rem/1.55 var(--mono); white-space: pre-wrap; overflow-wrap: anywhere; }
.case-results { display: grid; align-content: start; gap: .5rem; }
.case-result { display: grid; grid-template-columns: 3.5rem 1fr auto; gap: .6rem; padding: .7rem; border-bottom: 1px solid var(--line); font-size: .8rem; }
.case-result strong { text-transform: capitalize; }
.case-result .outcome { overflow-wrap: anywhere; font-family: var(--mono); }
.choice-probabilities { grid-column: 1 / -1; }
.correctness { font-weight: 750; }
.empty { padding: 3rem; border: 1px dashed var(--line); text-align: center; color: var(--muted); }

footer { display: flex; justify-content: space-between; gap: 2rem; padding: 3rem 0; border-top: 1px solid var(--line); }
footer p { margin: 0; font: 800 1.5rem var(--display); }
footer nav { display: flex; flex-wrap: wrap; gap: 1.25rem; font-size: .82rem; }
.noscript { margin: 2rem 0; padding: 1.5rem; border: 2px solid var(--error); }

@keyframes rise { from { opacity: 0; transform: translateY(1rem); } }
@keyframes reveal { from { opacity: 0; transform: scale(.75); } }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .analysis-grid, .method { grid-template-columns: 1fr; gap: 2rem; }
  .method-copy { columns: 1; }
  .filters { grid-template-columns: repeat(3,1fr); }
}
@media (max-width: 760px) {
  main { width: min(100% - 1.25rem, 88rem); }
  .masthead { padding-inline: .75rem; }
  .run-state { font-size: 0; }
  .run-state i { display: block; }
  .hero { padding-top: 4rem; }
  .scorecards { grid-template-columns: 1fr; }
  .run-strip { grid-template-columns: 1fr 1fr; }
  .run-strip > div:nth-child(3) { border-top: 1px solid var(--line); }
  .section-heading, footer { align-items: start; flex-direction: column; }
  .filters { grid-template-columns: repeat(2,1fr); }
  .case summary { grid-template-columns: 1fr; gap: .4rem; }
  .case-body { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

.no-probabilities {
  grid-column: 1 / -1;
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  font-style: italic;
  opacity: 0.7;
}

.race { display: grid; gap: 0.9rem; margin: 1.2rem 0; }
.race-lane { display: grid; grid-template-columns: minmax(8rem, 12rem) 1fr; gap: 1rem; align-items: center; }
.race-label { display: flex; flex-direction: column; }
.race-total { font-size: 0.78rem; opacity: 0.65; }
.race-track { position: relative; height: 2.1rem; border-radius: 0.4rem; background: rgba(127, 127, 127, 0.16); overflow: hidden; }
.race-fill { position: absolute; inset: 0 auto 0 0; width: 0; background: rgba(110, 168, 254, 0.35); transition: width 80ms linear; }
.race-counter { position: absolute; inset: 0; display: flex; align-items: center; padding-left: 0.7rem; font-variant-numeric: tabular-nums; font-size: 0.85rem; }
.race-note { font-size: 0.85rem; opacity: 0.75; max-width: 62ch; }
.case-flip { grid-column: 1 / -1; font-size: 0.82rem; font-style: italic; opacity: 0.8; }
#race-play { cursor: pointer; }

.byline { margin: 0; color: var(--muted); font: .78rem var(--body); letter-spacing: .01em; }
.byline strong { color: var(--ink); font-weight: 650; }
.author-links { display: inline-flex; gap: .5rem; }
.author-link {
  display: inline-grid; place-items: center; width: 2.1rem; aspect-ratio: 1;
  border: 1px solid var(--signal); border-radius: 999px;
  color: var(--signal); background: transparent; text-decoration: none;
  transition: background .15s ease, color .15s ease;
}
.author-link svg { width: 1.05rem; height: 1.05rem; display: block; }
.author-link:hover, .author-link:focus-visible { background: var(--signal); color: var(--surface); }
/* Wordmark, byline and author links sit together on the left; the run state alone goes right. */
.masthead { flex-wrap: wrap; justify-content: flex-start; gap: .75rem 1.25rem; }
.run-state { margin-left: auto; }
@media (max-width: 40rem) { .run-state { order: 4; } }