@font-face { font-family:"Space Grotesk";font-style:normal;font-weight:300 700;font-display:swap;src:url("assets/fonts/space-grotesk-latin.woff2") format("woff2"); }
@font-face { font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url("assets/fonts/inter-latin.woff2") format("woff2"); }
@font-face { font-family:"IBM Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url("assets/fonts/ibm-plex-mono-latin.woff2") format("woff2"); }
/* Windtunnel public website. One dark instrument system. */
:root {
  color-scheme: dark;
  --canvas: #0B0B0D; --panel: #141416; --raised: #202022;
  --text: #F0EEE4; --muted: #B9B6AC; --accent: #F15A24;
  --line: rgba(240,238,228,.16); --line-strong: rgba(240,238,228,.36);
  --font-display: "Space Grotesk", sans-serif; --font-body: "Inter", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
  --radius: 2px; --control-radius: 4px;
  --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 20px; --s6: 24px;
  --s8: 32px; --s10: 40px; --s12: 48px; --s14: 56px; --s16: 64px; --s24: 96px;
  --gutter: var(--s12); --section: var(--s24); --max: 1200px;
  --micro: 140ms; --menu-time: 220ms; --ease: cubic-bezier(.22,1,.36,1);
}
* { box-sizing: border-box; }
html { scroll-padding-top: 100px; }
body { margin: 0; background: var(--canvas); color: var(--text); font: 400 18px/1.6 var(--font-body); -webkit-font-smoothing: antialiased; }
h1,h2,h3,h4,p,figure,dl { margin: 0; }
h1,h2,h3,h4 { font-family: var(--font-display); font-weight: 500; letter-spacing: -.045em; }
h1 { font-size: clamp(36px,5vw,64px); line-height: 1.05; max-width: 20ch; }
h2 { font-size: clamp(28px,3.8vw,48px); line-height: 1.1; max-width: 24ch; }
h3,h4 { font-size: clamp(22px,2vw,28px); line-height: 1.2; }
p { max-width: 65ch; }
p + p { margin-top: var(--s6); }
a { color: inherit; text-underline-offset: 5px; }
a:hover { color: var(--accent); }
button { font: inherit; color: inherit; cursor: pointer; }
button,a { -webkit-tap-highlight-color: transparent; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
::selection { background: var(--accent); color: var(--canvas); }
img,svg { max-width: 100%; }
svg { display: block; }
.wrap { width: min(var(--max),calc(100% - var(--gutter)*2)); margin-inline: auto; }
main > section { padding-block: var(--section); border-bottom: 1px solid var(--line); }
main > section:first-child { padding-top: var(--s24); }
[id] { scroll-margin-top: 100px; }
main { min-height: 60vh; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link { position: fixed; top: var(--s4); left: var(--s4); padding: var(--s3) var(--s5); background: var(--text); color: var(--canvas); z-index: 100; transform: translateY(-200%); }
.skip-link:focus { transform: none; }
.svg-defs { position: absolute; width: 0; height: 0; overflow: hidden; }
.label,.eyebrow,.mono { font: 400 12px/1.5 var(--font-mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.label,.eyebrow { display: block; margin-bottom: var(--s6); }
.back-link { width: fit-content; min-height: 44px; margin-bottom: var(--s4); text-decoration: none; }
.lead { font-size: 18px; color: var(--muted); margin-top: var(--s6); }
.tlink { display: inline-block; padding-block: var(--s3); text-decoration: underline; }
.btn { min-height: 48px; padding: var(--s3) var(--s5); display: inline-flex; align-items: center; justify-content: center; gap: var(--s3); border: 1px solid var(--line-strong); border-radius: var(--control-radius); font: 500 14px/1.4 var(--font-body); text-decoration: none; transition: transform var(--micro) var(--ease); }
.btn:hover { transform: translateY(-2px); color: var(--text); background: var(--raised); }
.btn:active { transform: translateY(0); }
.btn.primary { background: var(--accent); color: var(--canvas); border-color: var(--accent); }
.btn.primary:hover { color: var(--canvas); }
.btn-row,.cta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s4); margin-top: var(--s8); }
.nav { position: sticky; top: 0; z-index: 40; background: var(--canvas); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: stretch; min-height: 76px; }
.brand { display: flex; align-items: center; gap: var(--s2); margin-right: auto; text-decoration: none; padding-right: var(--s6); }
.brand svg { width: 34px; height: 42px; }
.brand span { font: 500 23px/1 var(--font-display); letter-spacing: -.05em; }
.links { display: flex; align-items: center; }
.nav-menu { display: flex; align-self: stretch; }
.nav-menu a { display: flex; align-items: center; padding: var(--s4) var(--s5); border-left: 1px solid var(--line); font: 400 12px/1.4 var(--font-mono); text-decoration: none; }
.nav-menu a[aria-current] { background: var(--panel); }
.nav .primary { margin-left: var(--s5); white-space: nowrap; }
.hamburger { display: none; }
.nav-scrim { display: none; }
.site-footer { padding-block: var(--s16) var(--s6); }
.footer-contact { display: grid; grid-template-columns: 1.2fr 1fr; gap: var(--s12); align-items: end; }
.footer-contact p { color: var(--muted); }
.footer-contact .cta { margin-top: var(--s6); }
.fineprint,.evidence-foot,.module-note,.module-note p,.panel-lift-msg { font-size: 14px; color: var(--muted); line-height: 1.65; }
.fineprint { margin-top: var(--s10); max-width: 70ch; }
.footer-wordmark { font: 500 clamp(48px,15vw,190px)/1.1 var(--font-display); letter-spacing: -.065em; margin-top: var(--s12); border-bottom: 1px solid var(--line); padding-bottom: var(--s6); }
.footer-meta { display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--s4); padding-top: var(--s6); font: 400 12px/1.5 var(--font-mono); color: var(--muted); }
.stamps { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s2) var(--s3); margin-block: var(--s6); }
.stamp { display: inline-block; font: 400 12px/1.4 var(--font-mono); text-transform: uppercase; letter-spacing: .02em; border: 1px solid var(--line-strong); border-radius: var(--radius); padding: var(--s1) var(--s2); color: var(--text); }
.disclosure { border-top: 1px solid var(--line); margin-top: var(--s8); padding-top: var(--s5); font-size: 14px; color: var(--muted); }
.disclosure p { max-width: 80ch; }
.method-list { margin: var(--s8) 0 0; padding-left: var(--s6); max-width: 75ch; }
.method-list li { padding: 0 0 var(--s5) var(--s2); color: var(--muted); }
.method-list strong { color: var(--text); font-weight: 600; }
.layer-card { margin-top: var(--s8); padding-top: var(--s6); border-top: 1px solid var(--line); }
.layer-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--s4); margin-bottom: var(--s5); }
.layer-card p { color: var(--muted); }
.layer-card .module-note { margin-top: var(--s6); }
code { font: 400 .85em/1.5 var(--font-mono); overflow-wrap: anywhere; }
.single-case { margin-top: var(--s8); }
.case { min-width: 0; }
.metric-table { border-collapse: collapse; width: 100%; margin-block: var(--s6); font-size: 16px; }
.metric-table th,.metric-table td { text-align: left; vertical-align: baseline; padding: var(--s4); border-bottom: 1px solid var(--line); }
.metric-table thead th { font: 400 12px/1.6 var(--font-mono); text-transform: uppercase; color: var(--muted); vertical-align: bottom; background: var(--panel); }
.metric-table tbody th { font-weight: 400; min-width: 220px; }
.metric-table tbody tr:nth-child(even) { background: var(--panel); }
.metric-table .numeric { text-align: right; font-family: var(--font-mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.table-scroll { max-width: 100%; overflow-x: auto; margin-top: var(--s8); }
.table-scroll .metric-table { margin-top: 0; }
.evidence-foot { margin-top: var(--s5); max-width: 85ch; }
.is-up,.is-down,.is-key { color: var(--text); font-style: normal; }
.case-stats { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: var(--s6); }
.case-stats dt { font: 400 12px/1.5 var(--font-mono); color: var(--muted); }
.case-stats dd { font: 400 clamp(28px,4vw,48px)/1.4 var(--font-mono); margin: var(--s3) 0; }
.case-stats small { font-size: 14px; color: var(--muted); display: block; }
.term-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 var(--s12); margin-top: var(--s8); }
.term-card { display: block; padding-block: var(--s6); border-top: 1px solid var(--line); text-decoration: none; }
.term-card h3 { font-size: 24px; }
.term-card p { font-size: 16px; margin-top: var(--s3); color: var(--muted); }
.study-teaser { padding-block: var(--s10); border-top: 1px solid var(--line); }
.study-teaser h3 { max-width: 32ch; font-size: clamp(26px,3vw,40px); }
.study-teaser h3 a { text-decoration: none; }
.study-teaser > p { margin-top: var(--s5); color: var(--muted); }
details { border-top: 1px solid var(--line); padding-block: var(--s5); }
summary { list-style: none; cursor: pointer; font: 500 20px/1.5 var(--font-display); position: relative; padding-right: var(--s8); }
summary::-webkit-details-marker { display: none; }
summary::after { content: '+'; position: absolute; right: 0; color: var(--muted); }
details[open] summary::after { content: '−'; }
details > p { margin-top: var(--s5); color: var(--muted); font-size: 16px; }
.article-page main > section:first-child .wrap { max-width: var(--max); }
.article-page main > section:not(:first-child) .wrap > .lead { max-width: 65ch; }
@media (max-width: 1100px) {
 :root { --gutter: var(--s8); }
 .nav-menu a { padding-inline: var(--s3); }
 .nav .primary { margin-left: var(--s3); }
}
@media (max-width: 960px) {
 .nav-inner { min-height: 72px; }
 .brand span { font-size: 22px; }
 .hamburger { display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 5px; width: 44px; height: 44px; padding: var(--s2); border: 1px solid var(--line); border-radius: var(--control-radius); background: var(--panel); order: 2; margin-left: var(--s2); }
 .hamburger span { display: block; width: 17px; height: 1px; background: var(--text); }
 .nav-menu { position: absolute; top: 100%; left: 0; right: 0; display: none; flex-direction: column; background: var(--panel); border-bottom: 1px solid var(--line); padding: var(--s3) var(--gutter); }
 .nav-menu a { min-height: 52px; border-left: 0; border-top: 1px solid var(--line); font-size: 14px; }
 .menu-open .nav-menu { display: flex; }
 .no-js .nav-inner { flex-wrap: wrap; padding-block: var(--s3); }
 .no-js .links { display: contents; }
 .no-js .nav-menu { position: static; display: flex; width: 100%; order: 3; padding: var(--s4) 0 0; background: var(--canvas); border: 0; }
 .no-js .hamburger { display: none; }
}
@media (max-width: 767px) {
 :root { --gutter: var(--s5); --section: var(--s14); }
 body { font-size: 16px; }
 main > section:first-child { padding-top: var(--s14); }
 .lead { font-size: 16px; }
 .nav-inner { min-height: 68px; }
 .brand { padding-right: var(--s2); gap: 0; }
 .brand span { font-size: 20px; }
 .brand svg { width: 24px; }
 .nav .primary { margin-left: 0; font-size: 12px; padding: var(--s2); min-height: 44px; }
 .footer-contact,.term-grid { grid-template-columns: 1fr; gap: var(--s8); }
 .site-footer { padding-top: var(--s14); }
 .case-stats { grid-template-columns: 1fr; }
 .case-stats > div { border-bottom: 1px solid var(--line); padding-bottom: var(--s5); }
 .metric-table { font-size: 14px; }
 .metric-table th,.metric-table td { padding: var(--s3); }
 .layer-head { align-items: start; }
}
@media (max-width: 359px) {
 .brand span { font-size: 17px; }
 .brand svg { width: 20px; }
 .nav .primary { font-size: 12px; padding-inline: 4px; }
 .hamburger { width: 44px; margin-left: 4px; }
}
@media (prefers-reduced-motion: reduce) {
 *,*::before,*::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
/* Homepage composition */
.hero-grid { display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center; }
.opening h1 { font-size:clamp(44px,4.6vw,64px);max-width:16ch;letter-spacing:-.055em; }
.opening .lead { max-width:50ch; }
.opening .label { color:var(--muted); }
.instrument { min-width:0;padding:24px 0;position:relative; }
.instrument > .label { padding-inline:24px; }
.registration::before,.registration::after { content:'';position:absolute;width:12px;height:12px;border-color:var(--muted);border-style:solid;pointer-events:none; }
.registration::before { left:0;top:0;border-width:1px 0 0 1px; }
.registration::after { right:0;bottom:0;border-width:0 1px 1px 0; }
.instrument-key { display:flex;justify-content:space-between;gap:12px;font:400 14px/1.5 var(--font-mono);padding-inline:16px; }
.instrument .evidence-foot { text-align:center;margin-top:32px; }
.evidence-grid { display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start; }
.featured { background:var(--panel); }
.finding-number { font:400 clamp(96px,14vw,188px)/1 var(--font-display);letter-spacing:-.08em;color:var(--accent);margin-block:24px; }
.finding-number span { font-size:.35em;color:var(--muted);letter-spacing:-.04em; }
.section-intro { margin-bottom:48px; }
.section-intro .lead { max-width:58ch; }
.process { list-style:none;padding:0;margin:0; }
.process li { position:relative;display:grid;grid-template-columns:64px 1fr auto;gap:24px;align-items:start;border-top:1px solid var(--line);padding:28px 0; }
.process li:not(:last-child)::after { content:'';position:absolute;left:19px;top:62px;bottom:-15px;border-left:1px solid var(--line-strong); }
.process .step { font:400 14px/40px var(--font-mono);border:1px solid var(--line-strong);width:40px;text-align:center;background:var(--canvas); }
.process p { margin-top:12px;color:var(--muted);font-size:16px; }
.process .stamp { margin-top:8px; }
.process .simulation-step { border-top-style:dashed; }
.simulation-step .step { border-color:var(--accent);color:var(--accent); }
.pillars { display:grid;grid-template-columns:1fr 2fr;gap:48px;margin-top:64px;padding-top:40px;border-top:1px solid var(--line); }
.pillars ul { list-style:none;margin:0;padding:0; }
.pillars li { display:grid;grid-template-columns:140px 1fr;gap:24px;border-bottom:1px solid var(--line);padding:16px 0; }
.message-grid { display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:start; }
.test-types > div { border-top:1px solid var(--line);padding-block:24px; }
.test-types p { color:var(--muted);margin-top:16px; }
.comparison { position:relative;background:var(--panel);padding:32px; }
.score-pair { display:grid;grid-template-columns:1fr 1fr;margin-block:32px;border-top:1px solid var(--line);border-bottom:1px solid var(--line); }
.score-pair > div { padding-block:24px; }
.score-pair > div + div { border-left:1px solid var(--line);padding-left:24px; }
.score-pair strong { display:block;font:400 clamp(36px,4.4vw,56px)/1.4 var(--font-mono);letter-spacing:-.05em; }
.research-list a { display:grid;grid-template-columns:240px 1fr 24px;gap:24px;align-items:center;padding-block:32px;border-top:1px solid var(--line);text-decoration:none; }
.research-list h3 { font-size:26px; }
.faq-grid { display:grid;grid-template-columns:1fr 1.5fr;gap:80px;margin-top:96px; }
@media(max-width:1100px){.hero-grid{gap:24px}.message-grid{gap:40px}.research-list a{grid-template-columns:180px 1fr 24px}}
@media(max-width:767px){
.hero-grid,.evidence-grid,.message-grid,.pillars,.faq-grid{grid-template-columns:1fr;gap:40px}
.opening h1{font-size:clamp(44px,9.5vw,60px);max-width:13ch}.opening h1 br{display:none}
.instrument{margin-top:16px}.instrument-key{font-size:12px;padding-inline:4px;gap:4px}.instrument .evidence-foot{font-size:14px}
.finding-number{font-size:112px}.section-intro{margin-bottom:32px}.section-intro h2 br,.footer-contact h2 br{display:none}
.process li{grid-template-columns:40px 1fr;gap:16px}.process li>.stamp{grid-column:2;width:fit-content;margin-top:0}.process li:not(:last-child)::after{top:70px}
.process h3{font-size:23px}.pillars{margin-top:40px;gap:24px}.pillars li{grid-template-columns:100px 1fr;gap:16px}
.comparison{padding:24px}.score-pair strong{font-size:40px}.score-pair>div+div{padding-left:16px}
.research-list a{grid-template-columns:1fr 24px;gap:12px}.research-list .mono{grid-column:1/-1}.research-list h3{font-size:24px}
.faq-grid{margin-top:56px}
}
.featured-study { display:grid;grid-template-columns:1fr 1.2fr;gap:0 48px;padding-block:48px; }
.featured-study .stamps { grid-column:1/-1; }
.featured-study h3 { grid-row:2/4;font-size:clamp(32px,4vw,48px); }
.featured-study > p { margin-top:0; }
.featured-study .tlink { grid-column:2; }
.panel-lift-msg { font:500 clamp(24px,3vw,36px)/1.3 var(--font-display);max-width:40ch;color:var(--text);margin-bottom:32px; }
.article-page .case-stats { margin-top:40px; }
.article-page .layer-card { max-width:850px; }
@media(max-width:767px){.featured-study{display:block}.featured-study>p{margin-top:24px}.metric-table{min-width:560px}.panel-lift-msg{font-size:24px}}
/* Inline evidence links retain paragraph rhythm. */
p .tlink { display:inline;padding:0; }
/* Product and method detail restored from the published M57 content. */
.report-panel { background:var(--panel);border:1px solid var(--line-strong);padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:20px 48px; }
.report-panel-head { grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-bottom:20px;border-bottom:1px solid var(--line); }
.report-panel-title { font:500 40px/1.1 var(--font-display); }
.report-panel-meta { font-size:14px;color:var(--muted);margin:0;align-self:center; }
.report-panel-section { grid-column:1/-1;font:400 14px/1.5 var(--font-mono);border-top:1px solid var(--line);padding-top:24px;margin-top:8px;display:flex;flex-wrap:wrap;gap:12px; }
.report-panel-section>span { color:var(--muted); }
.panel-stat { display:flex;flex-direction:column;justify-content:center;gap:8px;grid-row:4/6; }
.panel-stat strong { font:400 clamp(48px,6vw,80px)/1.1 var(--font-mono);letter-spacing:-.06em; }
.panel-stat small { font-size:14px;color:var(--muted); }
.bar-chart { list-style:none;padding:0;margin:0;display:grid;gap:16px; }
.bar-chart li { display:grid;grid-template-columns:minmax(100px,1fr) 1.5fr auto;align-items:center;gap:16px;font-size:14px; }
.bar-chart strong { font:400 14px/1.5 var(--font-mono);min-width:5ch;text-align:right; }
.bar-track { background:var(--raised);height:8px; }
.bar-fill { display:block;height:100%;width:var(--value);background:var(--muted); }
.bar-fill.client { background:var(--accent); }
.sentiment-bar { display:flex;min-height:36px;overflow:hidden;background:var(--raised); }
.sentiment-bar>span { width:var(--value);font:400 14px/36px var(--font-mono);text-align:center;color:var(--canvas);background:var(--text); }
.sentiment-bar>.neutral { background:var(--muted); }
.sentiment-bar>.negative { background:#7F7C74; }
.panel-sentiment,.report-panel>.evidence-foot { grid-column:1/-1; }
.panel-lift-list { grid-column:1/-1;list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:0;margin:0; }
.panel-lift-list li+li { border-left:1px solid var(--line);padding-left:40px; }
.panel-lift-list .panel-lift-msg { font-size:24px; }
.panel-lift-row { display:flex;flex-direction:column;gap:16px; }
.panel-lift-row em { font:400 32px/1.2 var(--font-mono); }
.panel-lift-meta,.panel-lift-note,.report-panel-foot { font-size:14px;color:var(--muted); }
.panel-lift-note,.report-panel-foot { grid-column:1/-1;max-width:85ch; }
.pillar-grid { display:grid;grid-template-columns:1fr 1fr;gap:48px;margin-top:48px; }
.pillar-card { min-width:0;border-top:1px solid var(--line-strong);padding-top:24px; }
.pillar-report-line { font:400 12px/1.5 var(--font-mono);color:var(--muted);margin-bottom:16px; }
.pillar-meta { display:flex;gap:16px;margin-bottom:20px;font:400 14px/1.5 var(--font-mono); }
.pillar-meta strong { font-weight:400; }
.pillar-card>p { margin-top:16px;color:var(--muted); }
.pillar-example { background:var(--panel);padding:24px;margin-top:24px;border:1px solid var(--line); }
.pillar-example>p { font-size:16px;margin-bottom:24px; }
.pillar-metrics { display:flex;flex-wrap:wrap;list-style:none;gap:8px 20px;margin:20px 0 0;padding:0;font-size:14px;color:var(--muted); }
.sentiment-key { display:flex;flex-wrap:wrap;gap:24px;margin-top:20px;font-size:14px; }
.sentiment-key dd { margin:8px 0 0;font-family:var(--font-mono); }
.confidence-rail { display:grid;grid-template-columns:160px 1fr;gap:24px;margin-top:40px;padding:24px 0;border-block:1px solid var(--line);font-size:16px; }
.confidence-rail>span { font:400 12px/1.5 var(--font-mono);color:var(--muted); }
.confidence-rail strong { font-weight:400; }
.pipeline { display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px;margin:40px 0; }
.pipe-stage { position:relative;padding-top:24px;border-top:1px solid var(--line-strong); }
.pipe-stage:not(:last-child)::after { content:'→';position:absolute;right:-20px;top:30px;color:var(--muted); }
.pipe-glyph { width:60px;height:54px;margin-bottom:24px; }
.pipe-stage>.mono { font-size:12px;min-height:36px;color:var(--text); }
.pipe-stage>p:not(.mono) { margin-top:12px;font-size:16px;color:var(--muted); }
.pipe-stage .stamp { margin-top:16px; }
.method-layout { display:grid;grid-template-columns:1fr 1fr;gap:64px; }
.faq-title { margin-bottom:32px; }
@media(max-width:960px){.pipeline{grid-template-columns:1fr}.pipe-stage{display:grid;grid-template-columns:60px 1fr;gap:12px 24px}.pipe-glyph{grid-row:1/4;margin:0}.pipe-stage>.mono{min-height:0}.pipe-stage>p:not(.mono){margin:0}.pipe-stage .stamp{grid-column:2;width:fit-content}.pipe-stage:not(:last-child)::after{content:'↓';left:24px;top:auto;bottom:-26px;right:auto}.method-layout{grid-template-columns:1fr;gap:40px}}
@media(max-width:767px){.report-panel{padding:24px;grid-template-columns:1fr;gap:20px}.report-panel>*{grid-column:1!important;grid-row:auto}.report-panel-title{font-size:32px}.report-panel-meta{font-size:14px}.panel-lift-list,.pillar-grid{grid-template-columns:1fr;gap:32px}.panel-lift-list li+li{border-left:0;border-top:1px solid var(--line);padding:24px 0 0}.bar-chart li{grid-template-columns:minmax(90px,1fr) 1fr auto;gap:8px}.pillar-example{padding:20px}.confidence-rail{grid-template-columns:1fr;gap:12px}}
.attribution-scene { border-top:1px solid var(--line);padding-top:32px;margin-top:40px; }
.scene-head .mono { margin-bottom:16px; }
.blind-spot-rail { display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;list-style:none;padding:0;margin:32px 0; }
.blind-spot-rail li { border-top:1px solid var(--line);padding-top:20px; }
.blind-spot-rail span { display:block;font:400 12px/1.5 var(--font-mono);color:var(--muted);margin-bottom:16px; }
.attribution-scene figcaption { font-size:14px;color:var(--muted);max-width:65ch; }
.message-comparison { display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;align-items:center;margin-bottom:48px; }
.message-card { padding:24px;border:1px solid var(--line);background:var(--panel); }
.message-card>.mono { color:var(--text); }
.message-card>p+p { font-size:16px;color:var(--muted);margin-top:12px; }
.parity-connector { font-size:16px;text-align:center; }
.parity-connector>span { display:block;color:var(--accent);font-size:28px; }
.parity-connector strong { font-weight:400; }
@media(max-width:767px){.blind-spot-rail{grid-template-columns:1fr 1fr}.message-comparison{grid-template-columns:1fr;gap:16px}.parity-connector>span{transform:rotate(90deg)}}