/* PoreML project page.
   The palette is taken from the renders themselves: the invading phase is a saturated
   blue, the rock is translucent grey, and everything sits on a cool mineral white.
   Renders are drawn with mix-blend-mode: multiply so their white backgrounds melt
   into the page. */

:root {
  color-scheme: light;
  --paper: #f3f4f6;
  --surface: #ffffff;
  --ink: #141821;
  --ink-2: #474d59;
  --ink-3: #737a87;
  --rule: #dadde3;
  --rock: #b9bec7;
  --invader: #1d1de0;
  --invader-deep: #1414a8;
  --invader-tint: #e7e7fb;

  /* categorical slots for the five models (validated, adjacent CVD ΔE ≥ 9) */
  --m-unet: #eb6834;
  --m-fno: #1baf7a;
  --m-p3d: #eda100;
  --m-transolver: #e87ba4;
  --m-abupt: #6250d6;

  --serif: "STIX Two Text", "STIX Two", Georgia, serif;
  --sans: "Schibsted Grotesk", system-ui, sans-serif;

  --gutter: clamp(16px, 4vw, 56px);
  --measure: 64ch;
  --max: 1320px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 18px/1.62 var(--serif);
  font-feature-settings: "kern", "liga", "onum";
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, video { display: block; max-width: 100%; }
a { color: var(--invader-deep); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--invader); }
:focus-visible { outline: 2px solid var(--invader); outline-offset: 3px; border-radius: 3px; }
sup { font-size: .62em; line-height: 0; }
code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: .86em; }
.blend { mix-blend-mode: multiply; }

/* Top bar */
.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  padding: 14px var(--gutter);
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
  font-family: var(--sans);
}
.topbar.scrolled { border-bottom-color: var(--rule); }
.brand { display: flex; align-items: center; gap: 10px; font: 600 17px var(--sans); color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.brand-mark {
  width: 18px; height: 18px; background: var(--invader);
  border-radius: 46% 54% 40% 60% / 58% 42% 58% 42%;
}
.topbar nav { display: flex; gap: clamp(12px, 2.4vw, 28px); }
.topbar nav a { color: var(--ink-2); text-decoration: none; font-size: 15px; }
.topbar nav a:hover { color: var(--invader); }

/* Hero */
.hero {
  display: grid;
  grid-template-columns: minmax(0, 5fr) minmax(0, 6fr);
  align-items: center;
  gap: clamp(16px, 3vw, 48px);
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  padding: clamp(24px, 5vw, 64px) var(--gutter) 24px;
}
.wordmark {
  margin: 0;
  font: 500 clamp(76px, 12.5vw, 184px)/.86 var(--serif);
  letter-spacing: -.045em;
  color: var(--ink);
}
.hero-title {
  margin: 22px 0 28px;
  max-width: 22ch;
  font: 400 clamp(22px, 2.3vw, 31px)/1.22 var(--serif);
  color: var(--ink);
  letter-spacing: -.005em;
}
.authors, .affils { margin: 0; font-family: var(--sans); display: flex; flex-wrap: wrap; column-gap: 14px; row-gap: 2px; }
.authors { font-size: 16px; color: var(--ink); }
.affils { margin-top: 8px; font-size: 14px; color: var(--ink-3); }
.links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px 9px 13px;
  border: 1px solid var(--rule); border-radius: 999px;
  background: var(--surface); color: var(--ink);
  font: 500 15px var(--sans); text-decoration: none;
  transition: border-color .15s, color .15s;
}
.btn svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.7; stroke-linejoin: round; }
.btn:first-of-type + .btn svg { fill: currentColor; stroke: none; }
.btn:hover { border-color: var(--invader); color: var(--invader); }
.btn-primary { background: var(--invader); border-color: var(--invader); color: #fff; }
.btn-primary:hover { background: var(--invader-deep); color: #fff; }

.hero-visual { margin: 0; position: relative; margin-right: calc(-1 * var(--gutter)); }
/* crop the burned-in step counter off the top of the render */
.hero-visual video { width: 100%; aspect-ratio: 1800 / 1220; object-fit: cover; object-position: 50% 100%; }
.hero-visual figcaption {
  margin: 4px var(--gutter) 0 auto; position: relative;
  max-width: 34ch; text-align: right;
  font: 400 13px/1.45 var(--sans); color: var(--ink-3);
}

/* Lede + facts */
.lede {
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  padding: 32px var(--gutter) 24px;
  display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(24px, 5vw, 80px);
  align-items: end;
}
.lede p { margin: 0; max-width: var(--measure); font-size: clamp(20px, 1.8vw, 24px); line-height: 1.5; color: var(--ink); }
.facts { margin: 0; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--ink); }
.facts div { padding: 12px 0 10px; border-bottom: 1px solid var(--rule); }
.facts div:nth-child(odd) { padding-right: 16px; }
.facts dt { font: 400 13px var(--sans); color: var(--ink-3); }
.facts dd { margin: 2px 0 0; font: 500 30px/1.1 var(--serif); font-feature-settings: "lnum", "tnum"; letter-spacing: -.01em; }

/* Sections */
.section {
  max-width: calc(var(--max) + 2 * var(--gutter));
  margin: 0 auto;
  padding: clamp(64px, 9vw, 120px) var(--gutter) 0;
}
.section-head { max-width: var(--measure); margin-bottom: 36px; }
.section-head h2 {
  margin: 0;
  font: 500 clamp(32px, 4.2vw, 54px)/1.06 var(--serif);
  letter-spacing: -.022em;
}
.section-head p { margin: 14px 0 0; color: var(--ink-2); font-size: 19px; }
h3 { font: 600 19px/1.3 var(--sans); letter-spacing: -.01em; margin: 0 0 8px; }
.sub { margin: 56px 0 18px; font: 500 26px/1.2 var(--serif); letter-spacing: -.01em; }
.fine { font: 400 13px/1.5 var(--sans); color: var(--ink-3); margin: 10px 0 0; }

/* Pipeline (a real sequence) */
.pipeline { list-style: none; margin: 0 0 40px; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; counter-reset: step; }
.pipeline li { counter-increment: step; padding: 18px 28px 6px 0; border-top: 2px solid var(--ink); position: relative; }
.pipeline li + li { padding-left: 28px; border-left: 1px solid var(--rule); }
.pipeline h3::before { content: counter(step) ". "; color: var(--invader); }
.pipeline p { margin: 0; font-size: 17px; color: var(--ink-2); }

/* Paper figures share the white panel used by the viewer and charts, with the caption beside them */
.panel { background: var(--surface); border: 1px solid var(--rule); border-radius: 10px; }
.paper-fig {
  margin: 0; display: grid; align-items: end;
  grid-template-columns: minmax(0, 820px) minmax(200px, 280px); gap: clamp(20px, 3vw, 40px);
}
.fig-narrow { grid-template-columns: minmax(0, 700px) minmax(200px, 280px); }
.paper-fig img { width: 100%; height: auto; padding: clamp(12px, 2vw, 24px); background: var(--surface); border: 1px solid var(--rule); border-radius: 10px; }
.paper-fig figcaption { font: 400 14px/1.55 var(--sans); color: var(--ink-2); }
.paper-fig figcaption { padding-bottom: 4px; }
.paper-fig figcaption b { color: var(--ink); font-weight: 600; }

/* Tabs */
.tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.tab {
  appearance: none; cursor: pointer;
  padding: 8px 16px; border-radius: 999px;
  border: 1px solid var(--rule); background: transparent;
  font: 500 15px var(--sans); color: var(--ink-2);
  transition: background .15s, color .15s, border-color .15s;
}
.tab:hover { border-color: var(--ink-3); color: var(--ink); }
.tab[aria-selected="true"] { background: var(--ink); border-color: var(--ink); color: #fff; }
.tabs-quiet .tab[aria-selected="true"] { background: var(--invader); border-color: var(--invader); }
.tab:disabled { opacity: .35; cursor: not-allowed; }

/* Dataset explorer */
.sim-layout { display: grid; grid-template-columns: minmax(220px, 3fr) minmax(0, 9fr); gap: clamp(20px, 3vw, 44px); margin-top: 28px; }
.sim-copy h3 { font: 500 28px/1.15 var(--serif); letter-spacing: -.01em; margin: 0 0 10px; }
.sim-copy p { margin: 0 0 14px; font-size: 17px; color: var(--ink-2); }
.sim-copy .why { color: var(--ink); }
.sim-copy dl { margin: 18px 0 0; font: 400 14px/1.5 var(--sans); display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; }
.sim-copy dt { color: var(--ink-3); }
.sim-copy dd { margin: 0; }

.sim-matrix {
  display: grid;
  grid-template-columns: 28px repeat(4, minmax(0, 1fr));
  grid-template-rows: auto repeat(3, auto);
  gap: 8px;
}
.mx-col, .mx-row { font: 500 13px var(--sans); color: var(--ink-3); display: flex; align-items: end; justify-content: center; font-feature-settings: "lnum", "tnum"; }
.mx-row { writing-mode: vertical-rl; transform: rotate(180deg); align-items: center; }
.mx-col i, .mx-row i { font-family: var(--serif); font-size: 15px; margin-right: 4px; }
.cell {
  position: relative; padding: 0; margin: 0; cursor: zoom-in;
  border: 1px solid var(--rule); border-radius: 6px; background: var(--surface);
  overflow: hidden; aspect-ratio: 1800 / 1400;
  transition: border-color .15s;
  font: inherit; text-align: left; color: inherit;
}
.cell:hover { border-color: var(--invader); }
.cell video, .cell img { width: 100%; height: 100%; object-fit: cover; }
.cell .tag {
  position: absolute; left: 8px; bottom: 6px; right: 8px;
  font: 400 11px/1.3 var(--sans); color: var(--ink-3);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.cell.big { grid-column: 2 / span 2; grid-row: 2 / span 2; }
.cell.big .tag { font-size: 13px; color: var(--ink-2); left: 12px; bottom: 10px; }
.cell.big .tag b { color: var(--ink); font-weight: 600; }
.sim-matrix.no-big .cell.big { display: none; }

/* Lightbox */
.lightbox {
  width: min(1180px, calc(100vw - 32px)); max-height: calc(100vh - 32px);
  border: 0; border-radius: 10px; padding: 24px; background: var(--surface); color: var(--ink);
  box-shadow: 0 30px 80px -20px rgba(20, 24, 33, .45);
}
.lightbox::backdrop { background: rgba(20, 24, 33, .55); backdrop-filter: blur(3px); }
.lightbox video { width: 100%; max-height: 64vh; object-fit: contain; }
.lightbox .close { position: absolute; right: 12px; top: 8px; border: 0; background: none; font-size: 30px; line-height: 1; cursor: pointer; color: var(--ink-3); }
.lightbox .close:hover { color: var(--ink); }
.lb-controls { display: flex; align-items: center; gap: 14px; margin-top: 12px; }
.lb-meta { display: flex; flex-wrap: wrap; gap: 6px 28px; margin: 14px 0 0; font: 400 14px var(--sans); }
.lb-meta div { display: flex; gap: 8px; }
.lb-meta dt { color: var(--ink-3); }
.lb-meta dd { margin: 0; }

/* Range inputs */
input[type="range"] { -webkit-appearance: none; appearance: none; flex: 1; height: 28px; background: transparent; cursor: pointer; }
input[type="range"]::-webkit-slider-runnable-track { height: 4px; border-radius: 2px; background: linear-gradient(to right, var(--invader) var(--fill, 0%), var(--rule) var(--fill, 0%)); }
input[type="range"]::-moz-range-track { height: 4px; border-radius: 2px; background: var(--rule); }
input[type="range"]::-moz-range-progress { height: 4px; border-radius: 2px; background: var(--invader); }
input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 18px; height: 18px; margin-top: -7px; border-radius: 50%; background: var(--surface); border: 2px solid var(--invader); }
input[type="range"]::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: var(--surface); border: 2px solid var(--invader); }
.play {
  flex: none; width: 40px; height: 40px; border-radius: 50%;
  border: 0; background: var(--invader); color: #fff; cursor: pointer;
  font: 600 13px var(--sans); display: grid; place-items: center;
}
.play:hover { background: var(--invader-deep); }

/* Rollout */
.rollout-controls { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: center; }
.ro-test-desc { margin: 14px 0 22px; max-width: var(--measure); color: var(--ink-2); font-size: 17px; min-height: 2lh; }
.rollout {
  display: grid; grid-template-columns: 350px minmax(220px, 260px) minmax(260px, 360px);
  grid-template-areas: "main models chart"; gap: clamp(20px, 3vw, 44px); align-items: start;
}
.ro-main { grid-area: main; min-width: 0; }
.rollout .models { grid-area: models; }
.ro-chart { grid-area: chart; min-width: 0; }
.ro-chart .fine { margin-top: 10px; }

.compare {
  position: relative; aspect-ratio: 900 / 700; overflow: hidden;
  background: var(--surface); border: 1px solid var(--rule); border-radius: 8px;
  user-select: none; touch-action: pan-y; cursor: ew-resize;
  --pos: 50%;
}
.compare img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.cmp-top { position: absolute; inset: 0; clip-path: inset(0 0 0 var(--pos)); }
.cmp-label {
  position: absolute; top: 10px; padding: 3px 9px; border-radius: 999px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  font: 600 12px var(--sans); color: var(--ink); pointer-events: none;
}
.cmp-label-l { left: 10px; }
.cmp-label-r { right: 10px; }
.cmp-label-r::before { content: ""; display: inline-block; width: 9px; height: 9px; border-radius: 50%; background: var(--swatch, var(--m-abupt)); margin-right: 7px; vertical-align: 0; }
.cmp-handle {
  position: absolute; top: 0; bottom: 0; left: var(--pos); width: 44px; margin-left: -22px;
  display: grid; place-items: center; cursor: ew-resize;
}
.cmp-handle::before { content: ""; position: absolute; top: 0; bottom: 0; left: 21px; width: 2px; background: var(--ink); }
.cmp-handle span {
  position: relative; width: 30px; height: 30px; border-radius: 50%;
  background: var(--ink); box-shadow: 0 0 0 3px var(--surface);
}
.cmp-handle span::before, .cmp-handle span::after {
  content: ""; position: absolute; top: 10px; border: 5px solid transparent;
}
.cmp-handle span::before { left: 4px; border-right-color: #fff; }
.cmp-handle span::after { right: 4px; border-left-color: #fff; }
.cmp-loading {
  position: absolute; left: 50%; bottom: 16px; transform: translateX(-50%);
  font: 500 13px var(--sans); color: var(--ink-3); background: var(--surface); padding: 4px 12px; border-radius: 999px;
  opacity: 0; transition: opacity .2s; pointer-events: none;
}
.compare.loading .cmp-loading { opacity: 1; }

.models { border: 0; margin: 0; padding: 0; }
.models legend { font: 500 13px var(--sans); color: var(--ink-3); padding: 0; margin-bottom: 8px; }
.model-opt {
  display: grid; grid-template-columns: 12px 1fr auto; align-items: center; gap: 10px;
  padding: 9px 12px; margin: 0 -12px; border-radius: 6px; cursor: pointer;
  font: 500 15px var(--sans);
}
.model-opt:hover { background: var(--surface); }
.model-opt:has(input:checked) { background: var(--surface); box-shadow: inset 0 0 0 1px var(--rule); }
.model-opt:has(input:focus-visible) { outline: 2px solid var(--invader); }
.model-opt input { position: absolute; opacity: 0; pointer-events: none; }
.model-opt .sw { width: 12px; height: 12px; border-radius: 50%; }
.model-opt .iou { font: 500 15px var(--sans); font-feature-settings: "tnum"; color: var(--ink-2); }
.model-opt .iou small { font-size: 11px; color: var(--ink-3); font-weight: 400; margin-right: 4px; }

.iou-chart { margin-top: 2px; }
.iou-chart svg { width: 100%; height: auto; overflow: visible; }

.timeline { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.step-readout { flex: none; min-width: 112px; font: 500 14px/1.3 var(--sans); font-feature-settings: "tnum"; color: var(--ink); }
.step-readout span { display: block; font-size: 12px; color: var(--ink-3); font-weight: 400; }

/* Results */

.chart-block { background: var(--surface); border: 1px solid var(--rule); border-radius: 10px; padding: clamp(18px, 3vw, 32px); }
.chart-filters { display: flex; flex-wrap: wrap; gap: 12px 22px; align-items: end; margin-bottom: 24px; font-family: var(--sans); }
.chart-filters label { display: grid; max-width: 100%; gap: 4px; font: 500 12px var(--sans); color: var(--ink-3); }
.chart-filters select {
  font: 500 15px var(--sans); color: var(--ink); padding: 7px 30px 7px 10px; border: 1px solid var(--rule); border-radius: 6px;
  background: var(--paper) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23737a87' stroke-width='1.5'/%3E%3C/svg%3E") no-repeat right 10px center;
  appearance: none; cursor: pointer; max-width: 100%; text-overflow: ellipsis;
}
.seg { display: inline-flex; border: 1px solid var(--rule); border-radius: 6px; overflow: hidden; }
.seg button { border: 0; background: var(--paper); padding: 8px 14px; font: 500 14px var(--sans); color: var(--ink-2); cursor: pointer; }
.seg button + button { border-left: 1px solid var(--rule); }
.seg button[aria-checked="true"] { background: var(--ink); color: #fff; }
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(24px, 4vw, 56px); }
.chart { margin: 0; min-width: 0; }
.chart figcaption { font: 600 15px/1.35 var(--sans); margin-bottom: 12px; }
.chart figcaption span { display: block; font-weight: 400; color: var(--ink-3); font-size: 13px; }
.chart svg { width: 100%; height: auto; overflow: visible; font-family: var(--sans); }
.chart svg text { fill: var(--ink-2); font-size: 12px; }
.chart .axis line, .chart .grid line { stroke: var(--rule); }
.chart .axis text { fill: var(--ink-3); font-size: 11px; font-feature-settings: "tnum"; }
.tip {
  position: fixed; z-index: 50; pointer-events: none;
  background: var(--ink); color: #fff; border-radius: 6px; padding: 8px 10px;
  font: 400 13px/1.45 var(--sans); font-feature-settings: "tnum";
  opacity: 0; transition: opacity .1s; max-width: 260px;
}
.tip.on { opacity: 1; }
.tip b { font-weight: 600; }
.tip .row { display: flex; align-items: center; gap: 8px; }
.tip .row i { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.tip .row span:last-child { margin-left: auto; padding-left: 14px; }

.table-view { margin-top: 26px; font-family: var(--sans); }
.table-view summary { cursor: pointer; font: 500 14px var(--sans); color: var(--invader-deep); }
.table-view .scroll { overflow-x: auto; margin-top: 14px; }
.table-view table { border-collapse: collapse; font-size: 13px; font-feature-settings: "tnum"; white-space: nowrap; }
.table-view th, .table-view td { padding: 5px 10px; text-align: right; border-bottom: 1px solid var(--rule); }
.table-view th:first-child, .table-view td:first-child, .table-view th:nth-child(2), .table-view td:nth-child(2) { text-align: left; }
.table-view thead th { color: var(--ink-3); font-weight: 500; }
.table-view td.best { font-weight: 700; color: var(--ink); }
.table-view tr.block td { border-top: 1px solid var(--ink-3); }

/* Validation */
.sub-note { margin: -8px 0 18px; font: 400 14px var(--sans); color: var(--ink-3); }
.val-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.val-tile {
  display: flex; flex-direction: column; gap: 10px; padding: 0; border: 0; background: none;
  font: 400 13px/1.45 var(--sans); color: var(--ink-2); text-align: left; cursor: pointer;
}
.val-tile video, .val-tile img {
  width: 100%; height: 240px; object-fit: contain; padding: 12px;
  background: var(--surface); border: 1px solid var(--rule); border-radius: 8px;
  transition: border-color .15s, box-shadow .15s;
}
.val-tile:hover video, .val-tile:hover img { border-color: var(--ink-3); box-shadow: 0 6px 20px -12px rgba(20, 24, 33, .35); }
.val-tile:hover span { color: var(--ink); }
.val-tile:focus-visible { outline: 2px solid var(--invader); outline-offset: 4px; border-radius: 8px; }
.val-box h3 { font: 500 26px/1.2 var(--serif); margin: 0 40px 18px 0; }
.vb-body { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, 320px); gap: 28px; align-items: start; }
.vb-media { display: grid; gap: 14px; }
.vb-media video, .vb-media img { width: 100%; max-height: 38vh; object-fit: contain; border: 1px solid var(--rule); border-radius: 8px; }
.vb-media .vb-only { max-height: 70vh; }
.vb-pair { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.vb-pair > div { display: grid; gap: 10px; align-content: start; }
.vb-pair h4 { margin: 0; font: 500 13px var(--sans); color: var(--ink-3); }
.vb-pair video { max-height: 30vh; }
.vb-facts { margin: 0; font: 400 15px/1.5 var(--sans); }
.vb-facts dt { font: 500 12px var(--sans); color: var(--ink-3); margin-top: 14px; }
.vb-facts dt:first-child { margin-top: 0; }
.vb-facts dd { margin: 3px 0 0; color: var(--ink); }
.vb-facts .fine { margin-top: 18px; }

/* Film */
.film { width: 100%; max-width: 900px; border-radius: 10px; background: #fff; border: 1px solid var(--rule); aspect-ratio: 16 / 9; }

/* Get started */
.start-rows { border-top: 1px solid var(--rule); }
.start-row {
  display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); gap: clamp(20px, 4vw, 64px);
  padding: 28px 0; border-bottom: 1px solid var(--rule); align-items: start;
}
.start-text h3 { font: 500 23px/1.2 var(--serif); letter-spacing: -.01em; margin: 0 0 8px; }
.start-text p { margin: 0; font-size: 16px; color: var(--ink-2); }

/* Code blocks: light, on the page's own tokens */
.code { background: var(--surface); border: 1px solid var(--rule); border-radius: 8px; overflow: hidden; }
.code-bar, .cite-bar {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 7px 8px 7px 16px; border-bottom: 1px solid var(--rule);
  font: 500 12px var(--sans); color: var(--ink-3);
}
.code pre, .cite-bib pre {
  margin: 0; padding: 16px 18px; overflow-x: auto; color: var(--ink);
  font: 400 13.5px/1.65 ui-monospace, "SF Mono", Menlo, monospace;
}
.code pre code, .cite-bib pre code { font-size: inherit; }
.copy {
  border: 1px solid var(--rule); background: var(--surface); color: var(--ink-2);
  border-radius: 5px; padding: 3px 10px; font: 500 12px var(--sans); cursor: pointer;
}
.copy:hover { color: var(--ink); border-color: var(--ink-3); }
.copy:focus-visible { outline: 2px solid var(--invader); outline-offset: 1px; }
.tk-com { color: var(--ink-3); font-style: italic; }
.tk-str { color: #0b7a55; }
.tk-kw { color: var(--invader); }
.tk-fn { color: #8a3fb0; }
.tk-num { color: #b4500e; }
.tk-flag { color: #b4500e; }
.tk-cmd { font-weight: 600; }
.tk-key { color: var(--invader); }

/* Citation */
.cite-card {
  max-width: 900px; background: var(--surface); border: 1px solid var(--rule); border-radius: 10px;
  padding: clamp(22px, 4vw, 40px);
}
.cite-ref {
  margin: 0; padding-left: 2em; text-indent: -2em;
  font: 400 20px/1.6 var(--serif); color: var(--ink);
}
.cite-ref a { color: var(--invader); }
.cite-bib { margin-top: 28px; background: var(--paper); border-radius: 8px; }
.cite-bar { border-bottom-color: color-mix(in srgb, var(--rule) 70%, transparent); }
.cite-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.cite-bib pre { color: var(--ink-2); font-size: 13px; }

.footer {
  max-width: calc(var(--max) + 2 * var(--gutter)); margin: 0 auto;
  padding: 80px var(--gutter) 48px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px 32px;
  font: 400 14px var(--sans); color: var(--ink-3);
}
.footer p { margin: 0; }
.footer a { margin-left: 18px; color: var(--ink-2); }

/* Responsive */
@media (max-width: 1080px) {
  .rollout { grid-template-columns: 350px minmax(0, 420px); grid-template-areas: "main models" "main chart"; row-gap: 28px; }
  .paper-fig, .fig-narrow { grid-template-columns: minmax(0, 820px); align-items: start; }
  .val-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .vb-body { grid-template-columns: minmax(0, 1fr); }
  .sim-layout { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .rollout { grid-template-columns: minmax(0, 350px); grid-template-areas: "main" "models" "chart"; }
  .hero { grid-template-columns: 1fr; }
  .hero-visual { margin: 0 calc(-1 * var(--gutter)); }
  .hero-visual figcaption { position: static; text-align: left; padding: 0 var(--gutter); max-width: none; }
  .lede { grid-template-columns: 1fr; }
  .start-row { grid-template-columns: minmax(0, 1fr); gap: 14px; }
  .pipeline, .chart-grid { grid-template-columns: minmax(0, 1fr); }
  .pipeline li + li { padding-left: 0; border-left: 0; }
  .topbar nav { display: none; }
}
@media (max-width: 560px) {
  .vb-pair { grid-template-columns: minmax(0, 1fr); }
  body { font-size: 17px; }
  .sim-matrix { grid-template-columns: 18px repeat(4, minmax(0, 1fr)); gap: 4px; }
  .cell .tag { display: none; }
  .cell.big .tag { display: block; font-size: 11px; }
  .val-grid { grid-template-columns: minmax(0, 1fr); }
  .facts dd { font-size: 24px; }
  .footer a { margin: 0 18px 0 0; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}