@import url("https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:opsz,wght@12..96,500;12..96,700&family=IBM+Plex+Sans:wght@400;600&display=swap");

:root {
  --ink: #16324a;
  --ink-2: #4b5f6f;
  --ink-3: #8a98a3;
  --ground: #ffffff;
  --band: #f6f8f9;
  --tint: #eef3f8;
  --track: #dde4e9;
  --stage: #1c5cab;
  --accent: #eb6834;
  --cell: #f2c4cf;
  --cell-edge: #c9748f;
  --display: "Bricolage Grotesque", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --body: "IBM Plex Sans", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --gutter: 24px;
  --bar-h: 56px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--body);
  font-size: 19px;
  line-height: 1.5;
  overflow-x: hidden;
}

h1, h2, h3, .num, .wordmark { font-family: var(--display); font-weight: 700; margin: 0; }
h1, h2 { letter-spacing: -0.015em; line-height: 1.02; }
h3 { font-size: 24px; line-height: 1.2; margin: 40px 0 12px; }

p { margin: 0 0 1em; max-width: 62ch; }
p:last-child { margin-bottom: 0; }

a { color: var(--stage); text-decoration: underline; text-underline-offset: 0.15em; text-decoration-thickness: 1px; }
a:hover { color: var(--ink); }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

.num, .n { font-variant-numeric: tabular-nums; }

/* Top bar */
.bar {
  position: sticky;
  top: 0;
  z-index: 10;
  height: var(--bar-h);
  background: var(--ground);
  border-bottom: 1px solid var(--track);
}
.bar .wrap {
  height: 100%;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 12px;
}
.wordmark {
  font-size: 15px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  text-decoration: none;
  white-space: nowrap;
}
.wordmark:hover { color: var(--stage); }
.bar-right { text-align: right; }
.bar-right a, .bar .page-title { font-size: 15px; white-space: nowrap; }
.bar .page-title { color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; text-align: center; }

.dots { display: flex; gap: 10px; align-items: center; justify-content: center; margin: 0; padding: 0; list-style: none; }
.dots a {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 1.5px solid var(--ink-3);
  background: transparent;
  text-decoration: none;
}
.dots a:hover { border-color: var(--ink); }
.dots a.is-current { background: var(--ink); border-color: var(--ink); }

/* Layout */
.wrap {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.beat {
  min-height: min(88vh, 960px);
  display: flex;
  align-items: center;
  padding-block: 72px;
  background: var(--ground);
}
.beat:nth-of-type(even) { background: var(--band); }

.label {
  font-family: var(--body);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
  margin-bottom: 18px;
}

.hero h1 { font-size: clamp(40px, 6vw, 84px); max-width: 16ch; }
.beat h2 { font-size: clamp(30px, 4vw, 52px); max-width: 20ch; margin-bottom: 28px; }
.hero h1 + .line { margin-top: 28px; }
.line { font-size: 19px; max-width: 62ch; }
.line.after { margin-top: 32px; }
.hero .links { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 16px 40px; }
.hero .links a { font-size: 19px; }

.big { font-size: clamp(56px, 9vw, 120px); line-height: 0.95; letter-spacing: -0.03em; }
.big.stage { color: var(--stage); }
.big.accent { color: var(--accent); }

/* Marker chips */
.mk {
  display: inline-block;
  vertical-align: middle;
  font-family: var(--body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  line-height: 1;
  padding: 5px 7px;
  background: var(--tint);
  color: var(--ink-2);
  margin-left: 8px;
  white-space: nowrap;
}
.mk.measured { color: var(--stage); }
.mk.reported { color: var(--ink-2); }
.mk.inferred { color: var(--accent); }
.mk.hand { color: var(--accent); }

/* Expander and data link */
.how { margin-top: 36px; max-width: 62ch; border-top: 1px solid var(--track); }
.how summary {
  cursor: pointer;
  padding: 14px 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-2);
  list-style: none;
}
.how summary::-webkit-details-marker { display: none; }
.how summary::before { content: "+ "; color: var(--ink-3); }
.how[open] summary::before { content: "\2212 "; }
.how p { font-size: 17px; color: var(--ink-2); padding-bottom: 16px; }
.open-data { margin-top: 18px; font-size: 17px; }

/* Funnel */
.funnel { margin-top: 12px; }
.frow { padding: 14px 0; border-top: 1px solid var(--track); }
.frow:last-child { border-bottom: 1px solid var(--track); }
.frow .top { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; }
.track { height: 34px; background: var(--track); position: relative; width: 100%; }
.fill { height: 100%; background: var(--stage); width: var(--w); min-width: 3px; }
.frow.hot .fill { background: var(--accent); }
.fill.pre { width: 0; min-width: 0; }
.fill.grow { transition: width 700ms ease-out; }
.frow .n { font-family: var(--display); font-weight: 700; font-size: clamp(24px, 3vw, 40px); line-height: 1; min-width: 7ch; text-align: right; }
.frow.hot .n { color: var(--accent); }
.frow .sub { font-size: 16px; color: var(--ink-2); margin-top: 8px; }

/* The six */
.six { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 28px 48px; }
.six li { border-top: 1px solid var(--track); padding-top: 14px; }
.six .t { font-weight: 600; margin: 0; max-width: none; }
.six .d { font-size: 16px; color: var(--ink-2); margin: 6px 0; max-width: none; }
.six .doi { font-size: 15px; }

/* Two communities */
.venn { max-width: 720px; width: 100%; margin: 0 0 8px; }
.venn text { font-family: var(--body); }
.venn .cl { font-size: 22px; fill: var(--ink); font-weight: 600; }
.venn .cn { font-size: 18px; fill: var(--ink-2); }
.venn .mid { font-family: var(--display); font-weight: 700; font-size: 84px; fill: var(--accent); }

/* Big number rows */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px 40px; margin-bottom: 36px; }
.stats.two { grid-template-columns: repeat(2, 1fr); max-width: 900px; }
.stats .big { font-size: clamp(44px, 6.5vw, 88px); white-space: nowrap; }
.stats.two .big { font-size: clamp(56px, 9vw, 120px); }
.stat .s { font-size: 16px; color: var(--ink-2); margin-top: 10px; max-width: 30ch; }

/* Horizontal bar chart */
.hbars { margin-top: 36px; max-width: 900px; }
.hbar { display: grid; grid-template-columns: minmax(120px, 0.55fr) 1fr auto; gap: 14px; align-items: center; padding: 6px 0; font-size: 15px; }
.hbar .name { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hbar .track { height: 18px; }
.hbar .v { min-width: 5ch; text-align: right; font-variant-numeric: tabular-nums; color: var(--ink-2); }
.chart-cap { font-size: 14px; color: var(--ink-2); margin-top: 10px; }

/* Two trial bars */
.pairs { margin-top: 12px; max-width: 900px; }
.pair { padding: 14px 0; }
.pair .cap { font-size: 16px; margin-bottom: 8px; max-width: none; }
.pair .cap b { font-family: var(--display); font-size: 22px; font-weight: 700; }
.pair .track { height: 40px; background: transparent; }
.pair.one .fill { background: var(--accent); }

/* Three columns */
.cols3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.cols3 > div { border-top: 3px solid var(--stage); padding-top: 18px; }
.cols3 > div:last-child { border-top-color: var(--accent); }
.cols3 .label { margin-bottom: 10px; }
.cols3 .big { font-size: clamp(48px, 6vw, 88px); margin-bottom: 14px; }
.cols3 p { font-size: 17px; }

/* Footer */
footer { border-top: 1px solid var(--track); padding-block: 40px; font-size: 15px; color: var(--ink-2); }
footer .cols { display: grid; grid-template-columns: 1.4fr auto 1fr; gap: 16px 40px; align-items: start; }
footer .cols > :last-child { text-align: right; }
footer .cols a { margin-right: 20px; }
footer .cols a:last-child { margin-right: 0; }
footer .foot-line { margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--track); max-width: none; }

/* Detail pages */
.page { padding-block: 56px 80px; }
.page header h1 { font-size: clamp(32px, 4.5vw, 60px); max-width: 24ch; }
.page header .lead { margin-top: 18px; font-size: 19px; color: var(--ink-2); }
.page section { margin-top: 56px; padding-top: 32px; border-top: 1px solid var(--track); }
.page section h2 { font-size: clamp(24px, 3vw, 36px); margin-bottom: 18px; max-width: 30ch; }
.page ol, .page ul { padding-left: 1.2em; max-width: 62ch; }
.page li { margin-bottom: 8px; }
.note { font-size: 16px; color: var(--ink-2); }

.tablewrap { overflow-x: auto; margin: 20px 0; max-width: 100%; }
table { border-collapse: collapse; width: 100%; font-size: 16px; }
th, td { text-align: left; vertical-align: top; padding: 10px 14px 10px 0; border-bottom: 1px solid var(--track); }
th { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-2); font-weight: 600; border-bottom-color: var(--ink-3); }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
td.nw { white-space: nowrap; }
tr.total td { font-weight: 600; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 48px; }
.grid2 > div { border-top: 3px solid var(--stage); padding-top: 14px; }
.grid2 .t { font-family: var(--display); font-weight: 700; font-size: 24px; line-height: 1.15; }
.grid2 .s { font-size: 17px; color: var(--ink-2); margin-top: 8px; }
.grid2 + .note, .facts + h3, .tablewrap + h3 { margin-top: 32px; }

.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px 48px; max-width: 900px; }
.facts .big { font-size: clamp(48px, 6vw, 80px); color: var(--stage); }
.facts .s { font-size: 16px; color: var(--ink-2); margin-top: 8px; }

.dl { list-style: none; padding: 0; max-width: none; }
.dl li { padding: 10px 0; border-bottom: 1px solid var(--track); font-size: 16px; }
.dl .s { color: var(--ink-2); margin-left: 12px; }

/* Explorer */
.controls { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; margin: 8px 0 20px; }
.controls input[type="search"] {
  font: inherit;
  font-size: 16px;
  padding: 8px 10px;
  border: 1px solid var(--ink-3);
  background: var(--ground);
  color: var(--ink);
  min-width: 220px;
}
.chipgroup { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.chipgroup .gl { font-size: 12px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-2); font-weight: 600; margin-right: 4px; }
.chip {
  font: inherit;
  font-size: 14px;
  padding: 5px 10px;
  border: 1px solid var(--track);
  background: var(--ground);
  color: var(--ink);
  cursor: pointer;
}
.chip[aria-pressed="true"] { background: var(--stage); border-color: var(--stage); color: var(--ground); }
.toggle { font-size: 15px; display: inline-flex; align-items: center; gap: 8px; }
.toggle input { width: 18px; height: 18px; margin: 0; accent-color: var(--stage); }
.count { font-size: 15px; color: var(--ink-2); margin: 0 0 14px; }
.papers { list-style: none; padding: 0; margin: 0; max-width: none; }
.papers li { padding: 16px 0; border-top: 1px solid var(--track); }
.papers .t { font-weight: 600; max-width: none; }
.papers .meta { margin: 6px 0; display: flex; flex-wrap: wrap; gap: 6px; }
.papers .meta .mk { margin-left: 0; }
.papers .r { font-size: 16px; color: var(--ink-2); max-width: 80ch; }

.small { font-size: 15px; color: var(--ink-2); }

/* Narrow screens */
@media (max-width: 860px) {
  .six, .cols3, .stats, .grid2, .facts { grid-template-columns: 1fr; }
  .stats.two { grid-template-columns: 1fr; }
  footer .cols { grid-template-columns: 1fr; }
  footer .cols > :last-child { text-align: left; }
  .hbar { grid-template-columns: 1fr auto; gap: 4px 12px; }
  .hbar .track { grid-column: 1 / -1; }
}
@media (max-width: 600px) {
  :root { --gutter: 16px; }
  body { font-size: 17px; }
  .line, .hero .links a { font-size: 17px; }
  .beat { padding-block: 56px; }
  .wordmark { font-size: 12px; letter-spacing: 0.08em; }
  .bar-right a, .bar .page-title { font-size: 13px; }
  .dots { gap: 7px; }
  .dots a { width: 8px; height: 8px; }
  .frow .top { gap: 14px; }
  .venn .mid { font-size: 96px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fill.pre { width: var(--w); min-width: 3px; }
  .fill.grow { transition: none; }
}

/* zoom funnels (home) */
.zoom { width: 100%; max-width: 1000px; height: auto; display: block; margin-top: 18px; font-family: var(--body); }
.zoom .zguide { stroke: var(--ink-3); stroke-width: 1; stroke-dasharray: 4 4; fill: none; }
.zoom .ztrack { fill: var(--track); }
.zoom .zbar { fill: var(--stage); transition: width 700ms ease-out; }
.zoom .zbar.hot { fill: var(--accent); }
.zoom .zn { font-family: var(--display); font-weight: 700; font-size: 34px; fill: var(--ink); }
.zoom .zn.hot { fill: var(--accent); }
.zoom .zsub { font-size: 15px; fill: var(--ink-2); }
.zoom .zratio { font-size: 13px; fill: var(--ink-3); }
@media (prefers-reduced-motion: reduce) { .zoom .zbar { transition: none; } }
@media (max-width: 700px) { .zoom .zn { font-size: 40px; } .zoom .zsub { font-size: 19px; } .zoom .zratio { font-size: 16px; } }
/* why a prize pillars */
.pillars { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 28px; }
.pillar { border-top: 4px solid var(--stage); padding-top: 16px; }
.pillar.accent { border-top-color: var(--accent); }
.pillar .claim { font-family: var(--display); font-weight: 700; font-size: 26px; line-height: 1.15; margin: 8px 0 10px; }
.pillar p { font-size: 17px; line-height: 1.45; margin: 0 0 10px; }
.pillar .ev { color: var(--ink-2); font-size: 15px; border-left: 3px solid var(--track); padding-left: 12px; }
@media (max-width: 800px) { .pillars { grid-template-columns: 1fr; gap: 24px; } }