:root {
  --blue: #165dff;
  --blue-2: #4080ff;
  --blue-soft: #edf3ff;
  --ink: #1d2129;
  --ink-2: #4e5969;
  --ink-3: #646c78;
  --line: #e6e8ec;
  --line-soft: #eef0f3;
  --bg: #ffffff;
  --bg-tint: #f6f7f9;
  --card: #ffffff;
  --dark: #0a0f1a;
  --radius: 20px;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "Newsreader", Georgia, serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, monospace;
  --han: "Noto Serif SC", "Songti SC", serif;
  --ease: cubic-bezier(.2, .7, .2, 1);
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root {
    --blue: #4c89ff;
    --blue-soft: rgba(76, 137, 255, 0.12);
    --ink: #eceff4;
    --ink-2: #a8b0bc;
    --ink-3: #808a98;
    --line: #222936;
    --line-soft: #1a202b;
    --bg: #0c1016;
    --bg-tint: #121924;
    --card: #18202c;
    --dark: #0b1428;
  }
}

:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 6px; }
.section--dark :focus-visible { outline-color: #fff; }

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body {
  margin: 0;
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img { display: block; }
h1, h2, h3 { margin: 0; font-weight: 500; }
p, figure { margin: 0; }
::selection { background: var(--blue); color: #fff; }

.wrap { width: min(1200px, 100% - 64px); margin-inline: auto; }

/* Type primitives */
.overline {
  display: flex; align-items: center; gap: 12px;
  font-size: 12.5px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3);
}
.overline::before { content: ""; width: 22px; height: 1px; background: var(--blue); }
.overline--light { color: #8d98aa; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: saturate(1.5) blur(16px);
  -webkit-backdrop-filter: saturate(1.5) blur(16px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s;
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav__inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.nav__brand img { height: 28px; width: auto; }
.nav__links { display: flex; align-items: center; gap: 32px; font-size: 14.5px; color: var(--ink-2); }
.nav__links > a:not(.nav__cta) { position: relative; padding: 4px 0; transition: color .2s; }
.nav__links > a:not(.nav__cta)::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 1px; background: var(--ink);
  transform: scaleX(0); transform-origin: left; transition: transform .3s var(--ease);
}
.nav__links > a:not(.nav__cta):hover { color: var(--ink); }
.nav__links > a:not(.nav__cta):hover::after { transform: scaleX(1); }
.nav__cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 16px; border-radius: 999px; background: var(--ink); color: var(--bg) !important; font-weight: 500;
  transition: opacity .2s;
}
.nav__cta:hover { opacity: .85; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px; border-radius: 999px; font-size: 15px; font-weight: 500;
  border: 1px solid transparent; white-space: nowrap; cursor: pointer;
  transition: background .2s, color .2s, border-color .2s, gap .25s var(--ease);
}
.btn--primary { background: var(--blue); color: #fff; }
.btn--primary:hover { background: #0e46e0; }
.btn--text { padding-inline: 4px; color: var(--ink); }
.btn--text:hover, .btn--text-light:hover { gap: 12px; }
.btn--light { background: #fff; color: var(--dark); }
.btn--light:hover { background: #dfe6f2; }
.btn--text-light { padding-inline: 4px; color: #fff; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: clamp(96px, 14vh, 152px) 0 96px; }
.hero__canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    linear-gradient(90deg, var(--bg) 0%, color-mix(in srgb, var(--bg) 92%, transparent) 40%, transparent 72%),
    linear-gradient(0deg, var(--bg) 0%, transparent 22%);
}
.hero__inner { position: relative; z-index: 1; }
.hero__title {
  margin-top: 32px; max-width: 18ch; text-wrap: balance;
  font-family: var(--serif); font-weight: 300;
  font-size: clamp(46px, 6.2vw, 88px); line-height: 1; letter-spacing: -0.035em;
}
.hero__title em { color: var(--blue); font-style: italic; font-weight: 300; }
.hero__lede { margin-top: 36px; max-width: 54ch; font-size: 19px; line-height: 1.6; color: var(--ink-2); }
.hero__actions { margin-top: 40px; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }

/* Sections */
.section { padding: clamp(88px, 10vw, 136px) 0; }
.section--tint { background: var(--bg-tint); }
.section__head { max-width: 760px; margin-bottom: 64px; }
.section__head--row { max-width: none; display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.section h2 {
  margin-top: 20px; font-family: var(--serif); font-weight: 300;
  font-size: clamp(36px, 4.4vw, 58px); line-height: 1.06; letter-spacing: -0.025em;
}

/* Facts and findings */
.facts { margin: 36px 0 0; }
.facts div { display: grid; grid-template-columns: 120px 1fr; gap: 16px; padding: 14px 0; border-top: 1px solid var(--line); font-size: 15px; }
.facts div:last-child { border-bottom: 1px solid var(--line); }
.facts dt { color: var(--ink-3); }
.facts dd { margin: 0; color: var(--ink); }
.findings { margin: 36px 0 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; }
.findings > div { padding-top: 22px; border-top: 1px solid var(--ink); }
.findings dt { font-size: 12.5px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }
.findings dd { margin: 0; }
.findings dd:last-child { margin-top: 12px; color: var(--ink-2); font-size: 15px; max-width: 40ch; }
.findings__num { margin-top: 14px !important; font-family: var(--serif); font-weight: 300; font-size: clamp(20px, 1.7vw, 22px); line-height: 1.15; letter-spacing: -0.02em; color: var(--ink); white-space: nowrap; }
/* Board */
.b-line { stroke: var(--ink-3); stroke-width: 1; opacity: .55; fill: none; }
.b-frame { stroke: var(--ink-2); stroke-width: 1.4; fill: none; }
.b-river { font-family: var(--han); font-size: 20px; fill: var(--ink-3); opacity: .7; letter-spacing: .5em; }
.b-piece circle { fill: var(--card); stroke-width: 1.5; }
.b-piece text { font-family: var(--han); font-size: 21px; font-weight: 500; }
.b-piece--red circle { stroke: var(--blue); }
.b-piece--red text { fill: var(--blue); }
.b-piece--black circle { stroke: var(--ink); }
.b-piece--black text { fill: var(--ink); }
.b-ghost { fill: none; stroke: var(--blue); stroke-width: 1.4; stroke-dasharray: 4 4; }
.b-move { stroke: var(--blue); stroke-width: 2; fill: none; }
.b-cover { stroke: var(--blue); stroke-width: 1.6; }
.b-ring { fill: none; stroke: var(--blue); stroke-width: 1.2; transform-box: fill-box; transform-origin: center; animation: ring 2.6s var(--ease) 4; }
.b-tag { font-family: var(--mono); font-size: 12px; fill: var(--blue); }
@keyframes ring { 0% { transform: scale(1); opacity: .9; } 80%, 100% { transform: scale(1.7); opacity: 0; } }

/* Themes */
.themes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 72px 40px; }
.theme { display: flex; flex-direction: column; position: relative; }
.theme__meta { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-bottom: 12px; }
.theme__topic { font-size: 12px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.theme__venue { font-size: 13px; color: var(--ink-3); text-align: right; }
.theme p.theme__meta { margin-top: 0; max-width: none; flex: none; }
.theme__title::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); }
.theme__title:focus-visible { outline: none; }
.theme__title:focus-visible::after { outline: 2px solid var(--blue); outline-offset: 6px; }
.theme:hover .theme__link { gap: 10px; }
.theme__art {
  aspect-ratio: 16 / 8; display: grid; place-items: center; border-radius: var(--radius);
  background: var(--card); margin-bottom: 28px; padding: 20px;
  transition: transform .5s var(--ease);
}
.theme:hover .theme__art { transform: translateY(-4px); }
.theme__art svg { width: 100%; max-width: 330px; height: auto; max-height: 100%; }
.theme h3 { font-size: 21px; font-weight: 500; letter-spacing: -0.01em; }
.theme p { margin-top: 12px; color: var(--ink-2); font-size: 16px; flex: 1; max-width: 52ch; }
.theme__link { margin-top: 20px; display: inline-flex; gap: 6px; font-size: 14.5px; font-weight: 500; color: var(--blue); transition: gap .25s var(--ease); align-self: flex-start; }
.theme__link:hover { gap: 10px; }

.f-card { fill: var(--card); } .f-soft { fill: var(--blue-soft); } .f-accent { fill: var(--blue); } .f-ink { fill: var(--ink-2); }
.s-ink { stroke: var(--ink-2); } .s-accent { stroke: var(--blue); } .s-line { stroke: var(--ink-3); opacity: .3; }
.t-label { font-family: var(--sans); font-size: 13px; fill: var(--ink); }
.t-mono { font-family: var(--mono); font-size: 13px; fill: var(--ink-2); }
.t-mono-lg { font-family: var(--mono); font-size: 22px; fill: var(--ink); }
.t-accent { fill: var(--blue); }
.t-muted { fill: var(--ink-3); }


/* Publications */
.pubx__head, .pubx a { display: grid; grid-template-columns: 92px 120px minmax(0, 1fr) 170px; gap: 20px; align-items: baseline; }
.pubx__head { padding-bottom: 10px; font: 10.5px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.pubx__head span:last-child, .pubx__venue { text-align: right; }
.pubx { list-style: none; margin: 0; padding: 0; border-bottom: 1px solid var(--line); }
.pubx li { border-top: 1px solid var(--line); }
.pubx a { padding: 15px 0; font-size: 13.5px; color: var(--ink-3); }
.pubx time { font-variant-numeric: tabular-nums; }
.pubx__cat { color: var(--ink-2); }
.pubx__title { font-family: var(--serif); font-size: 17.5px; line-height: 1.4; color: var(--ink); transition: color .15s; }
.pubx a:hover .pubx__title { color: var(--blue); }
.pubx__title::after { content: "\2009→"; font: 13px var(--sans); color: var(--blue); }
.pubx a[target] .pubx__title::after { content: "\2009↗"; color: var(--ink-3); }

/* Project pages */
.crumbs { display: flex; align-items: center; gap: 10px; font-size: 13.5px; color: var(--ink-3); }
.crumbs a { color: var(--ink-2); }
.crumbs a:hover { color: var(--ink); }
.page-head { padding: clamp(64px, 9vw, 112px) 0 clamp(48px, 6vw, 72px); }
.page-head .overline { margin-top: 40px; }
.page-title { margin-top: 20px; font-family: var(--serif); font-weight: 300; font-size: clamp(38px, 4.2vw, 56px); line-height: 1.06; letter-spacing: -0.03em; max-width: 20ch; text-wrap: balance; }
.page-paper { margin-top: 18px; font-family: var(--serif); font-size: clamp(18px, 1.5vw, 21px); line-height: 1.3; color: var(--ink-2); max-width: 44ch; }
.page-authors { margin-top: 20px; font-size: 16px; color: var(--ink); }
.page-venue { margin-top: 4px; font-size: 14.5px; color: var(--ink-3); }
.page-actions { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 12px; }
.btn--ghost { border-color: var(--line); color: var(--ink); }
.btn--ghost:hover { border-color: var(--ink-3); }

.page-figure { background: var(--bg-tint); border-radius: var(--radius); padding: clamp(32px, 5vw, 72px); display: grid; place-items: center; }
.page-figure svg { width: 100%; max-width: 560px; height: auto; display: block; }
.page-figure--board svg { max-width: 420px; }
.page-figure figcaption { margin-top: 28px; max-width: 560px; font-size: 13.5px; color: var(--ink-3); text-align: center; }

.block { display: grid; grid-template-columns: 220px minmax(0, 1fr); gap: 40px; padding: 56px 0; border-top: 1px solid var(--line); }
.block:first-child { border-top: 0; }
.block__label { font-size: 12.5px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); padding-top: 6px; }
.block__body { max-width: 760px; }
.block__body > p { font-size: 17px; line-height: 1.65; color: var(--ink-2); }
.block__body > p + p { margin-top: 16px; }
.block__body .findings { margin-top: 0; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px; }
.block__body .facts { margin-top: 0; }
.block__body .facts div { grid-template-columns: 140px 1fr; }
.questions { list-style: none; margin: 0; padding: 0; counter-reset: q; }
.questions li { counter-increment: q; display: grid; grid-template-columns: 40px 1fr; padding: 18px 0; border-top: 1px solid var(--line); }
.questions li:last-child { border-bottom: 1px solid var(--line); }
.questions li::before { content: counter(q, decimal-leading-zero); font-family: var(--serif); font-size: 16px; color: var(--blue); }
.questions b { display: block; font-weight: 500; }
.questions span { color: var(--ink-2); font-size: 15.5px; }

/* XiangqiBench: shared controls */
.block__body--wide { max-width: 940px; }
.block__body > .block__lead { margin-bottom: 32px; font-size: 16.5px; max-width: 64ch; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.switch { display: inline-flex; gap: 20px; }
.switch__btn { appearance: none; border: 0; background: transparent; color: var(--ink-3); font: 500 14px var(--sans); padding: 6px 0; box-shadow: inset 0 -1.5px 0 transparent; cursor: pointer; transition: color .2s, box-shadow .2s; }
.switch__btn:hover { color: var(--ink); }
.switch__btn[aria-pressed="true"] { color: var(--ink); box-shadow: inset 0 -1.5px 0 var(--ink); }
.lbx__bar { display: flex; align-items: center; justify-content: space-between; gap: 16px 24px; flex-wrap: wrap; margin-bottom: 18px; }

/* Leaderboard */
.lb-scroll, .hm-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.lb { width: 100%; min-width: 560px; border-collapse: collapse; font-size: 15px; font-variant-numeric: tabular-nums; }
.lb caption { caption-side: bottom; padding-top: 14px; text-align: left; font-size: 13.5px; color: var(--ink-3); }
.lb th, .lb td { padding: 10px 0 10px 16px; text-align: right; }
.lb thead th { font-size: 12.5px; font-weight: 500; color: var(--ink-3); border-bottom: 1px solid var(--ink); }
.lb th:first-child { padding-left: 0; text-align: left; }
.lb tbody th { font-weight: 400; white-space: nowrap; }
.lb tbody tr { border-bottom: 1px solid var(--line); }
.lb td { color: var(--ink-2); }
.lb td.lb__top { color: var(--blue); font-weight: 500; }

.lbx__legend { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--ink-3); }
.key { display: inline-block; width: 18px; height: 6px; border-radius: 3px; margin-left: 10px; }
.key--p3 { background: color-mix(in srgb, var(--blue) 22%, transparent); }
.key--h3 { background: var(--blue); }
.lbx { width: 100%; min-width: 660px; border-collapse: collapse; font-variant-numeric: tabular-nums; }
.lbx th, .lbx td { padding: 0 0 0 20px; height: 62px; text-align: right; vertical-align: middle; }
.lbx th:first-child, .lbx td:first-child { padding-left: 0; }
.lbx thead th { height: auto; padding-bottom: 12px; font-size: 12px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); border-bottom: 1px solid var(--ink); white-space: nowrap; }
.lbx thead th.lbx__num, .lbx thead th.lbx__p1 { text-transform: none; letter-spacing: .02em; font-size: 13px; }
.lbx tbody tr { border-bottom: 1px solid var(--line); transition: background .2s var(--ease); }
.lbx tbody tr:hover { background: var(--bg-tint); }
.lbx__rank { width: 44px; text-align: left !important; font-family: var(--serif); font-weight: 300; font-size: 26px; line-height: 1; color: var(--ink-3); }
.lbx thead .lbx__rank { font-family: var(--sans); font-size: 12px; }
.lbx__model { text-align: left !important; padding-left: 8px !important; }
.lbx tbody .lbx__model { font-weight: 400; }
.lbx__name { display: block; font-size: 16.5px; font-weight: 500; color: var(--ink); letter-spacing: -0.005em; white-space: nowrap; }
.lbx__org { display: block; margin-top: 2px; font-size: 13px; color: var(--ink-3); white-space: nowrap; }
.lbx__p1 { width: 34%; }
.lbx__cell { display: flex; align-items: center; gap: 14px; }
.lbx__track { flex: 1; height: 8px; border-radius: 4px; background: var(--line-soft); overflow: hidden; }
.lbx__fill { display: block; height: 100%; border-radius: 4px; background: var(--ink-3); transform-origin: left; animation: grow .9s var(--ease) both; }
.lbx__val { min-width: 3.4ch; font-family: var(--serif); font-size: 24px; font-weight: 400; letter-spacing: -0.02em; color: var(--ink); }
.lbx__num { width: 72px; font-size: 15.5px; color: var(--ink-2); }
.lbx__num.is-best, .lbx__val.is-best { color: var(--blue); }
.lbx__rel { width: 22%; }
.rel { position: relative; flex: 1; height: 8px; border-radius: 4px; background: var(--line-soft); overflow: hidden; }
.rel__p3, .rel__h3 { position: absolute; inset: 0 auto 0 0; border-radius: 4px; transform-origin: left; animation: grow .9s var(--ease) both; }
.rel__p3 { background: color-mix(in srgb, var(--blue) 22%, transparent); }
.rel__h3 { background: var(--blue); animation-delay: .15s; }
.rel__txt { min-width: 4.2ch; font-family: var(--mono); font-size: 12px; color: var(--ink-3); }
.lbx tr.is-top .lbx__rank { color: var(--blue); }
.lbx tr.is-top .lbx__fill { background: var(--blue); }
.lbx tr.is-zero .lbx__name, .lbx tr.is-zero .lbx__val { color: var(--ink-3); }
@keyframes grow { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.block__body > .lb-note { margin-top: 20px; font-size: 14.5px; color: var(--ink-3); }
.lb-note a { color: var(--blue); }

/* Per-position heatmap */
.hm { display: block; width: 100%; min-width: 640px; height: auto; }
.hm .w0 { fill: var(--line-soft); }
.hm .w1 { fill: color-mix(in srgb, var(--blue) 30%, var(--bg)); }
.hm .w2 { fill: color-mix(in srgb, var(--blue) 62%, var(--bg)); }
.hm .w3 { fill: var(--blue); }
.hm__label { font: 400 12px var(--sans); fill: var(--ink-2); }
.hm__tick { font: 500 11.5px var(--mono); fill: var(--ink-2); }
.hm__axis { font: 400 11.5px var(--sans); fill: var(--ink-3); }
.hm__span { stroke: var(--ink-3); stroke-width: 1; }
.hm__col { fill: none; stroke: var(--ink); stroke-width: 1; pointer-events: none; }
.hm__row { fill: none; stroke: var(--ink-3); stroke-width: .8; stroke-dasharray: 2 2; pointer-events: none; }
.hm__replay { cursor: pointer; fill: var(--ink-2); }
.hm__replay:hover, .hm__replay:focus-visible { fill: var(--blue); outline: none; }
.hm__legend { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--ink-3); }
.hm__key { display: inline-flex; align-items: center; gap: 5px; font-family: var(--mono); font-size: 12px; }
.hm__key i { display: inline-block; width: 12px; height: 12px; border-radius: 2px; }
.hm__key .w0 { background: var(--line-soft); box-shadow: inset 0 0 0 1px var(--line); }
.hm__key .w1 { background: color-mix(in srgb, var(--blue) 30%, var(--bg)); }
.hm__key .w2 { background: color-mix(in srgb, var(--blue) 62%, var(--bg)); }
.hm__key .w3 { background: var(--blue); }
.hm__readout { margin-top: 14px !important; min-height: 3em; font-size: 14.5px !important; color: var(--ink-2); }

/* Replays */
.rp:focus { outline: none; }
.rp__tabs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); }
.rp__tab { appearance: none; background: none; border: 0; border-top: 2px solid transparent; margin-top: -1px; padding: 16px 16px 16px 0; text-align: left; cursor: pointer; color: var(--ink-2); font: inherit; transition: color .2s var(--ease), border-color .2s var(--ease); }
.rp__tab:hover { color: var(--ink); }
.rp__tab[aria-selected="true"] { border-top-color: var(--blue); color: var(--ink); }
.rp__tablabel { display: block; font: 500 11.5px var(--mono); letter-spacing: .04em; color: var(--ink-3); }
.rp__tab[aria-selected="true"] .rp__tablabel { color: var(--blue); }
.rp__tabtitle { display: block; margin-top: 6px; font-family: var(--serif); font-size: 18px; line-height: 1.25; }
.block__body .rp__note, .rp__note { margin-top: 8px; font-size: 15.5px; color: var(--ink-2); max-width: 70ch; }
.rp__trials { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.rp__trial { appearance: none; display: inline-flex; align-items: baseline; gap: 10px; padding: 8px 14px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--ink-2); font: 400 13.5px var(--sans); cursor: pointer; transition: border-color .2s var(--ease); }
.rp__trial:hover { border-color: var(--ink-3); }
.rp__trial[aria-pressed="true"] { border-color: var(--ink); color: var(--ink); }
.rp__tm { font-weight: 500; color: var(--ink); }
.rp__ts { color: var(--ink-3); }
.rp__to { font: 500 11px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.rp__trial.is-win .rp__to { color: var(--blue); }
.rp__stage { display: grid; grid-template-columns: minmax(0, 400px) minmax(0, 1fr); gap: 36px; margin-top: 24px; padding: 28px; border-radius: var(--radius); background: var(--bg-tint); }
.rp__board { display: block; width: 100%; height: auto; }
.rp__controls { display: flex; align-items: center; gap: 8px; margin-top: 14px; }
.rp__btn { appearance: none; min-width: 36px; height: 36px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--ink); font: 500 15px var(--sans); cursor: pointer; }
.rp__btn--play { min-width: 72px; font-size: 13.5px; }
.rp__btn:hover:not(:disabled) { border-color: var(--ink-3); }
.rp__btn:disabled { opacity: .4; cursor: default; }
.rp__range { flex: 1; accent-color: var(--blue); }
.rp__status { margin-top: 10px; font-size: 13.5px; color: var(--ink-3); min-height: 1.6em; }
.rp__right { display: flex; flex-direction: column; min-width: 0; }
.rp__plies { list-style: none; margin: 0; padding: 0 0 12px; display: flex; gap: 6px; overflow-x: auto; border-bottom: 1px solid var(--line); }
.rp__ply button { appearance: none; display: inline-flex; align-items: baseline; gap: 6px; padding: 5px 10px; border-radius: 8px; border: 1px solid transparent; background: none; font: 400 13px var(--mono); color: var(--ink-2); cursor: pointer; white-space: nowrap; }
.rp__ply--r button { color: var(--blue); }
.rp__pn { font-size: 10.5px; color: var(--ink-3); }
.rp__ply.is-current button { background: var(--card); border-color: var(--line); box-shadow: 0 1px 2px rgba(16, 24, 40, .06); }
.rp__log { margin-top: 16px; max-height: 470px; overflow-y: auto; padding-right: 6px; }
.rp__head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.rp__head b { font-weight: 500; font-size: 15.5px; }
.rp__head span { font-size: 13px; color: var(--ink-3); }
.rp__act { margin-top: 14px; }
.rp__act--think { padding-left: 14px; border-left: 2px solid var(--line); }
.rp__kind { display: block; margin-bottom: 4px; font: 500 11px var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink-3); }
.rp__text { font-size: 14.5px; line-height: 1.6; color: var(--ink-2); white-space: pre-wrap; overflow-wrap: anywhere; }
.rp__more { margin-top: 4px; font-size: 12.5px; font-style: italic; color: var(--ink-3); }
.rp__term { margin-top: 10px; padding: 12px 14px; border-radius: 10px; background: var(--dark); color: #e3e8f0; font: 400 12.5px/1.6 var(--mono); }
.rp__term.is-rejected { box-shadow: inset 3px 0 0 #f5a524; }
.rp__cmd { color: #fff; }
.rp__steps { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.rp__step { display: inline-flex; gap: 4px; padding: 2px 8px; border-radius: 6px; background: rgba(255, 255, 255, .07); }
.rp__step i { font-style: normal; color: #7fd1a1; }
.rp__step.is-bad { background: rgba(245, 165, 36, .16); }
.rp__step.is-bad i { color: #f5a524; }
.rp__fb { margin-top: 6px; color: #a9b3c1; }
.rp__end { margin-top: 18px; font-weight: 500; color: var(--ink); }

.b-ghost--black { stroke: var(--ink-2); }
.b-move--black { stroke: var(--ink-2); }
.b-ring--black { stroke: var(--ink); }

@media (max-width: 640px) {
  .lbx { min-width: 0; }
  .lbx__track, .lbx__rel, .lbx__legend { display: none; }
  .lbx th, .lbx td { padding-left: 12px; height: 56px; }
  .lbx__p1 { width: auto; }
  .lbx__val { font-size: 21px; }
  .lbx__num { width: auto; }
  .lbx__rank { width: 30px; font-size: 22px; }
}

@media (max-width: 960px) {
  .rp__tabs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rp__stage { grid-template-columns: minmax(0, 1fr); padding: 18px; gap: 20px; }
  .rp__left { max-width: 420px; width: 100%; margin-inline: auto; }
  .rp__log { max-height: none; }
}

/* Page head extras */
.page-authors sup, .page-affil sup { font-size: .66em; color: var(--ink-3); margin-left: 1px; }
.page-affil { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 2px 18px; font-size: 14px; color: var(--ink-3); }
.page-stats { margin-top: 56px; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 32px; }
.page-stats div { padding-top: 18px; border-top: 1px solid var(--line); }
.page-stats b { display: block; font-family: var(--serif); font-weight: 300; font-size: clamp(20px, 1.7vw, 22px); line-height: 1.1; letter-spacing: -0.015em; white-space: nowrap; }
.page-stats span { display: block; margin-top: 8px; font-size: 13.5px; color: var(--ink-3); max-width: 24ch; }

/* In-page navigation */
.toc { position: sticky; top: 68px; z-index: 15; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: saturate(1.5) blur(16px); -webkit-backdrop-filter: saturate(1.5) blur(16px); border-bottom: 1px solid var(--line); }
.toc__inner { display: flex; align-items: center; gap: 28px; overflow-x: auto; scrollbar-width: none; font-size: 14px; color: var(--ink-3); }
.toc__inner::-webkit-scrollbar { display: none; }
.toc a { padding: 13px 0 12px; white-space: nowrap; border-bottom: 1px solid transparent; margin-bottom: -1px; transition: color .2s, border-color .2s; }
.toc a:hover { color: var(--ink); }
.toc a.is-active { color: var(--ink); border-bottom-color: var(--blue); }
html:has(.toc) { scroll-padding-top: 128px; }

/* Block body parts */
.block--wide .block__body { max-width: none; min-width: 0; }
.block__body > * + .sub, .block__body > .sub + * { margin-top: 16px; }
.block__body .sub { font-size: 18px; font-weight: 500; letter-spacing: -0.005em; }
.block__body > * + .sub { margin-top: 48px; }
.block__body > .lede { font-size: 17px; line-height: 1.65; color: var(--ink-2); }
.block__body > * + .lede, .block__body > * + p { margin-top: 16px; }
.block__body > p.small { font-size: 15px; }
.prose-num { font-variant-numeric: tabular-nums; }
.note { margin-top: 20px; padding: 14px 18px; border-left: 2px solid var(--blue); background: var(--bg-tint); border-radius: 0 10px 10px 0; font-size: 14.5px; color: var(--ink-2); }
.note b { color: var(--ink); font-weight: 500; }
.src, .block__body > p.src { font-size: 13.5px; color: var(--ink-3); }
.block__body > .src { margin-top: 14px; }
.block__body > p.note { font-size: 14.5px; margin-top: 20px; }

/* Segmented control */
.toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; margin-bottom: 20px; }
.toolbar__group { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; }
.toolbar__label { font-size: 12.5px; font-weight: 500; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.seg { display: inline-flex; flex-wrap: wrap; gap: 4px 18px; }
.seg button { font: 500 14px/1.2 var(--sans); padding: 6px 0; border: 0; background: transparent; color: var(--ink-3); box-shadow: inset 0 -1.5px 0 transparent; cursor: pointer; transition: color .2s, box-shadow .2s; }
.seg button:hover { color: var(--ink); }
.seg button[aria-pressed="true"] { color: var(--ink); box-shadow: inset 0 -1.5px 0 var(--ink); }
.seg--mono { gap: 4px 14px; }
.seg--mono button { font-family: var(--mono); font-size: 12.5px; font-weight: 400; }

/* Charts */
.chart { width: 100%; height: auto; display: block; overflow: visible; }
.chart .ax { stroke: var(--ink-3); stroke-width: 1; fill: none; }
.chart .grid { stroke: var(--line); stroke-width: 1; fill: none; }
.chart .tick { font: 11.5px var(--mono); fill: var(--ink-3); }
.chart .lbl { font: 12.5px var(--sans); fill: var(--ink-2); }
.chart .c-line { fill: none; stroke: var(--blue); stroke-width: 1.6; stroke-linejoin: round; stroke-linecap: round; }
.chart .c-line--hi { stroke-width: 2.2; }
.chart .c-dot { fill: var(--blue); }
.chart .c-ref { stroke: var(--ink-3); stroke-dasharray: 3 4; fill: none; }
.chart .c-zone { fill: var(--blue-soft); }
.chart .c-line--mute { stroke: var(--ink-3); stroke-width: 1.6; }
.chart .c-dot--mute { fill: var(--ink-3); opacity: .55; }
.chart .c-min { fill: var(--bg-tint); stroke: var(--blue); stroke-width: 1.6; }
.page-figure--chart { display: block; place-items: normal; padding: clamp(24px, 4vw, 56px); }
.page-figure--chart svg { max-width: 760px; margin-inline: auto; }
.page-figure--chart figcaption { margin-inline: auto; max-width: 640px; }
.fig-trio__grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 3vw, 40px); }
.fig-trio__k { margin: 0 0 10px; font-size: 14px; font-weight: 500; color: var(--ink); }
.fig-trio__k b { margin-right: 8px; font: 500 12.5px var(--mono); color: var(--ink-3); }
.fig-trio .chart .tick { font-size: 11px; }
.fig-trio figcaption { max-width: 760px; }
@media (max-width: 900px) {
  .fig-trio__grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .fig-trio__panel svg { max-width: 460px; }
}

/* Data tables */
.tbl-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tbl { width: 100%; border-collapse: collapse; font-size: 15px; font-variant-numeric: tabular-nums; }
.tbl caption { caption-side: bottom; padding-top: 14px; text-align: left; font-size: 13.5px; color: var(--ink-3); }
.tbl th, .tbl td { padding: 11px 0 11px 20px; text-align: right; border-bottom: 1px solid var(--line); }
.tbl th:first-child, .tbl td:first-child { padding-left: 0; text-align: left; }
.tbl thead th { font-size: 12.5px; font-weight: 500; color: var(--ink-3); border-bottom-color: var(--ink); vertical-align: bottom; white-space: nowrap; }
.tbl tbody th { font-weight: 400; color: var(--ink); white-space: nowrap; }
.tbl tbody td { color: var(--ink-2); }
.tbl td.l, .tbl th.l { text-align: left; }
.tbl .is-top { color: var(--blue); font-weight: 500; }
.tbl tr.is-ours th, .tbl tr.is-ours td { color: var(--ink); font-weight: 500; }
.tbl tr.is-ours th::before { content: ""; display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); margin: 0 8px 2px 0; }
.tbl .muted { color: var(--ink-3); }
.cellbar { display: inline-flex; align-items: center; justify-content: flex-end; gap: 10px; }
.cellbar i { display: block; height: 6px; width: calc(var(--v, 0) * 72px); border-radius: 3px; background: var(--blue); opacity: .85; }

/* Heatmap */
.heat-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; margin-inline: -3px; }
.heat { width: 100%; border-collapse: separate; border-spacing: 3px; font-size: 12.5px; font-variant-numeric: tabular-nums; }
.heat th { padding: 4px 6px; font-weight: 500; font-size: 12px; color: var(--ink-3); white-space: nowrap; }
.heat thead th { vertical-align: bottom; text-align: center; line-height: 1.25; }
.heat thead th small { display: block; font-weight: 400; color: var(--ink-3); opacity: .8; }
.heat tbody th { text-align: left; font-weight: 400; color: var(--ink-2); padding-left: 0; }
.heat tbody th small { margin-left: 6px; font: 11px var(--mono); color: var(--ink-3); }
.heat td { min-width: 50px; padding: 7px 4px; text-align: center; border-radius: 5px; color: var(--ink); background: color-mix(in srgb, var(--blue) calc(var(--v, 0) * 100%), var(--bg-tint)); transition: background .25s; }
.heat td.is-dark { color: #fff; }
.heat td.is-nil { color: var(--ink-3); background: var(--bg-tint); }
.heat td.is-best { box-shadow: inset 0 0 0 1.5px var(--ink); }
.heat tfoot th, .heat tfoot td { padding-top: 10px; font-weight: 500; }
.heat tfoot td { background: none; color: var(--ink); border-top: 1px solid var(--ink); border-radius: 0; }
.heat__sort { all: unset; cursor: pointer; display: block; text-align: inherit; border-radius: 4px; }
.heat__sort:hover, .heat__sort.is-on { color: var(--ink); }
.heat__sort.is-on::after { content: " ↓"; color: var(--blue); }
.heat__sort:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; }
.page-figure--ex { display: block; place-items: normal; padding: clamp(20px, 4vw, 56px); }
.page-figure--ex .ex { max-width: 880px; margin-inline: auto; }
.page-figure--ex figcaption { margin-inline: auto; }
.legend { display: flex; align-items: center; gap: 10px; font-size: 12.5px; color: var(--ink-3); }
.legend__ramp { width: 120px; height: 8px; border-radius: 4px; background: linear-gradient(90deg, var(--bg-tint), var(--blue)); border: 1px solid var(--line); }

/* Equations */
[data-math] .katex { font-size: 1.08em; }
[data-math] p .katex, p[data-math] .katex { white-space: nowrap; }
[data-math]:not(.is-typeset) { visibility: hidden; }
.laws { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.law { display: grid; grid-template-columns: 180px minmax(0, 1fr); gap: 32px; padding: 28px 0 30px; border-bottom: 1px solid var(--line); }
.law__name { margin: 0; padding-top: 4px; font: 500 15px/1.4 var(--sans); color: var(--ink); }
.law__ref { display: block; margin-top: 4px; font: 400 12px var(--mono); color: var(--ink-3); }
.law__eq { color: var(--ink); font-size: 16px; overflow-x: auto; overflow-y: hidden; }
.law__eq .katex-display { margin: 0; padding: 2px 0; }
.law__eq .katex { font-size: 1.24em; }
.law__eq .katex .tag { color: var(--ink-3); font-size: .78em; }
.law__body p { margin-top: 14px; font-size: 15px; line-height: 1.6; color: var(--ink-2); max-width: 62ch; }
@media (max-width: 720px) {
  .law { grid-template-columns: 1fr; gap: 14px; padding: 24px 0; }
  .law__ref { display: inline; margin: 0 0 0 8px; }
  .law__eq { font-size: 13px; }
}

/* Two-up comparison */
.duo { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.duo > div { padding: 22px 24px; border: 1px solid var(--line); border-radius: 16px; }
.duo small { display: block; font-size: 12.5px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.duo b { display: block; margin-top: 10px; font-size: 17px; font-weight: 500; }
.duo__eq { margin-top: 12px; font-size: 15px; color: var(--ink); overflow-x: auto; overflow-y: hidden; }
.duo__eq .katex-display { margin: 0; padding: 2px 0; text-align: left; }
.duo__eq .katex-display > .katex { text-align: left; font-size: 1.24em; }
.duo p { margin-top: 8px; font-size: 14.5px; color: var(--ink-2); }
.duo code, .tasks code, .io code { font-family: var(--mono); font-size: .92em; }

/* Calculator */
.calc { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.calc__in { padding: 24px; display: grid; gap: 18px; align-content: start; }
.calc__out { padding: 24px; background: var(--bg-tint); display: grid; gap: 18px; align-content: start; }
.field label, .field .field__label { display: flex; justify-content: space-between; gap: 12px; font-size: 13px; color: var(--ink-3); margin-bottom: 7px; }
.field label output { font-family: var(--mono); color: var(--ink); }
.field input[type="number"] { width: 100%; font: 14.5px var(--mono); padding: 9px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); }
.field input[type="number"]:focus { outline: 2px solid var(--blue); outline-offset: 0; border-color: transparent; }
.field input[type="range"] { width: 100%; accent-color: var(--blue); }
.field__row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.readout { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px 20px; }
.readout div { min-width: 0; }
.readout dt { font-size: 12.5px; color: var(--ink-3); }
.readout dd { margin: 4px 0 0; font-family: var(--serif); font-weight: 300; font-size: 20px; line-height: 1.1; letter-spacing: -0.015em; color: var(--ink); font-variant-numeric: tabular-nums; }
.readout dd small { font-family: var(--sans); font-size: 13px; letter-spacing: 0; color: var(--ink-3); margin-left: 4px; }
.verdict { padding: 12px 14px; border-radius: 12px; font-size: 14.5px; background: var(--bg); color: var(--ink-2); border: 1px solid var(--line); }
.verdict b { color: var(--ink); font-weight: 500; }
.verdict.is-warn { border-color: color-mix(in srgb, var(--blue) 40%, var(--line)); }
.flags { margin: 0; padding: 0; list-style: none; font-size: 13px; color: var(--ink-3); }
.flags li + li { margin-top: 4px; }
.flags li::before { content: "!"; display: inline-grid; place-items: center; width: 15px; height: 15px; margin-right: 8px; border-radius: 50%; font: 600 10px var(--sans); color: var(--bg); background: var(--ink-3); vertical-align: 1px; }

/* Task cards and examples */
.tasks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.task { padding: 20px 22px; border: 1px solid var(--line); border-radius: 14px; min-width: 0; }
.task__head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.task h4 { margin: 0; font-size: 16px; font-weight: 500; }
.task__abbr { font: 500 12px var(--mono); color: var(--blue); white-space: nowrap; }
.task p { margin-top: 6px; font-size: 14.5px; color: var(--ink-2); }
.io { margin: 14px 0 0; display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 6px 14px; font-size: 14px; }
.io dt { font: 11.5px/1.9 var(--mono); color: var(--ink-3); text-transform: uppercase; letter-spacing: .06em; }
.io dd { margin: 0; color: var(--ink); overflow-wrap: anywhere; }
.task__meta { margin-top: 12px; font-size: 13px; color: var(--ink-3); }

.ex { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; background: var(--card); }
.ex__bar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 10px 16px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--bg-tint); font-size: 13px; color: var(--ink-3); }
.ex__pre { margin: 0; padding: 20px 22px; font: 13.5px/1.7 var(--mono); color: var(--ink); white-space: pre; overflow-x: auto; tab-size: 4; min-height: 15.5em; }
.ex__pre .k { color: var(--blue); }
.ex__pre mark { background: var(--blue-soft); color: var(--blue); border-radius: 3px; padding: 0 1px; }
.ex__foot { padding: 12px 22px; border-top: 1px solid var(--line); font-size: 13px; color: var(--ink-3); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 16px; }
.ex__foot b { color: var(--ink); font-weight: 500; font-variant-numeric: tabular-nums; }
.langs { display: flex; flex-wrap: wrap; gap: 6px; }
.toks { display: flex; flex-wrap: wrap; gap: 4px 3px; padding: 20px 22px; font: 13.5px/1.5 var(--mono); }
.toks span { padding: 2px 5px; border-radius: 5px; background: var(--bg-tint); white-space: pre; color: var(--ink); }
.toks { gap: 6px 0; }
.toks span { margin-left: 6px; }
.toks span:first-child, .toks span.is-cont { margin-left: 1px; }
.toks span.is-moved { background: var(--blue-soft); color: var(--blue); box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--blue) 35%, transparent); }
.toks span.is-new { background: var(--blue); color: #fff; }

/* Pipeline */
.pipe { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 24px; counter-reset: stage; }
.pipe li { counter-increment: stage; padding-top: 18px; border-top: 1px solid var(--ink); }
.pipe li::before { content: "Stage " counter(stage); font-size: 12px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--blue); }
.pipe b { display: block; margin-top: 10px; font-size: 16px; font-weight: 500; }
.pipe span { display: block; margin-top: 6px; font-size: 14.5px; color: var(--ink-2); }

/* Language families */
.fams { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 32px; }
.fams div { display: grid; grid-template-columns: 170px 1fr; gap: 12px; padding: 11px 0; border-top: 1px solid var(--line); font-size: 14.5px; }
.fams dt { color: var(--ink-3); }
.fams dd { margin: 0; color: var(--ink); }
.fams dd span { white-space: nowrap; }
.fams dd sup { font: 10.5px var(--mono); color: var(--blue); margin-left: 2px; }

.code { position: relative; margin: 0; padding: 22px 24px; border-radius: 14px; background: var(--dark); color: #e3e8f0; overflow-x: auto; font-family: var(--mono); font-size: 13.5px; line-height: 1.7; }
.code .c { color: #7f8a9c; }
.code + .code { margin-top: 16px; }
.code__copy { position: absolute; top: 12px; right: 12px; padding: 5px 11px; border-radius: 999px; border: 1px solid rgba(255,255,255,.18); background: transparent; color: #c5cdd9; font: 500 12px var(--sans); cursor: pointer; }
.code__copy:hover { border-color: rgba(255,255,255,.4); }

.pager { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: end; gap: 24px; margin-top: 8px; padding-top: 24px; padding-bottom: 32px; border-bottom: 1px solid var(--line); border-top: 1px solid var(--line); font-size: 15px; }
.pager small { display: block; margin-bottom: 4px; font: 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.pager span { color: var(--ink); transition: color .15s; }
.pager__prev span::before { content: "← "; color: var(--ink-3); }
.pager__next { text-align: right; }
.pager__next span::after { content: " →"; color: var(--ink-3); }
.pager a:hover span { color: var(--blue); }
.pager__all { font-size: 13px; color: var(--ink-3); }
.pager__all:hover { color: var(--ink); }
.next { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; font-size: 15px; }
.next a { display: block; padding-top: 14px; border-top: 1px solid var(--line); }
.next small { display: block; margin-bottom: 4px; font: 11px var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-3); }
.next span { color: var(--ink); transition: color .15s; }
.next a:hover span { color: var(--blue); }
@media (max-width: 720px) { .next { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.links { list-style: none; padding: 0; margin: 20px 0 0; display: flex; gap: 24px; flex-wrap: wrap; }
.links a { font-size: 14px; font-weight: 500; color: var(--blue); }
.links a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* Network */
.section--dark { background: var(--dark); color: #eceff4; position: relative; overflow: hidden; }
.section--dark::before {
  content: ""; position: absolute; left: -12%; bottom: -45%; width: 820px; height: 820px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(22, 93, 255, .28), transparent); pointer-events: none;
}
.network { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px clamp(48px, 8vw, 128px); align-items: start; }
.network__intro > p:not(.overline) { margin-top: 24px; color: #a3adbb; font-size: 18px; max-width: 46ch; }
.network__cta { margin-top: 40px; display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.steps { list-style: none; margin: 0; padding: 0; }
.steps li { display: grid; grid-template-columns: 56px 1fr; gap: 8px; padding: 30px 0; border-top: 1px solid rgba(255,255,255,.1); }
.steps li:last-child { border-bottom: 1px solid rgba(255,255,255,.1); }
.steps__n { font-family: var(--serif); font-size: 20px; color: var(--blue-2); line-height: 1.4; }
.steps h3 { font-size: 20px; font-weight: 500; }
.steps p { margin-top: 8px; color: #a3adbb; font-size: 15.5px; }

/* Footer */
.footer { padding: clamp(80px, 10vw, 128px) 0 48px; font-size: 14px; color: var(--ink-3); }
.footer--page { padding-top: 40px; }
.footer--page .footer__inner { margin-top: 0; padding-top: 0; border-top: 0; }
.footer__inner { margin-top: 72px; padding-top: 28px; border-top: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer__brand { display: flex; align-items: center; gap: 20px; color: var(--ink-3); }
.footer__brand img { height: 24px; width: auto; }
.footer__links { display: flex; gap: 28px; color: var(--ink-2); }
.footer__links a:hover { color: var(--ink); }
.footer__note { margin-top: 20px; font-size: 13px; }

/* Reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
.reveal.is-in { opacity: 1; transform: none; }
.reveal:not(.is-in) .lbx__fill { animation-play-state: paused; }

@media (max-width: 960px) {
  .wrap { width: min(1200px, 100% - 40px); }
  .nav__links > a:not(.nav__cta) { display: none; }
  .themes { grid-template-columns: minmax(0, 1fr); gap: 48px; }
  .network { grid-template-columns: minmax(0, 1fr); }
  .pubx__head { display: none; }
  .pubx a { grid-template-columns: auto 1fr; gap: 6px 16px; }
  .pubx__title { grid-column: 1 / -1; grid-row: 2; }
  .pubx__venue { grid-column: 1 / -1; text-align: left; }
  .section__head--row { flex-direction: column; align-items: flex-start; }
  .hero__canvas, .hero::after { display: none; }
  .findings, .block__body .findings { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .block { grid-template-columns: minmax(0, 1fr); gap: 20px; padding: 40px 0; }
  .block__body .facts div { grid-template-columns: 110px 1fr; }
  .facts div { grid-template-columns: 96px 1fr; }
  .page-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 20px; margin-top: 40px; }
  .eqs, .duo, .tasks, .calc, .fams { grid-template-columns: minmax(0, 1fr); }
  .pipe { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 20px; }
  .fams div { grid-template-columns: 130px 1fr; }
  .eq__f { white-space: normal; }
}

@media (max-width: 560px) {
  .pipe { grid-template-columns: minmax(0, 1fr); }
  .readout dd { font-size: 18px; }
  .heat td { min-width: 44px; }
  .pager { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .pager__all { display: none; }
}

@media (prefers-color-scheme: dark) {
  .btn--primary { background: #165dff; }
  .btn--primary:hover { background: #2b6cff; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .b-ring, .lbx__fill, .rel__p3, .rel__h3 { animation: none; }
}