@import url("https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=IBM+Plex+Sans:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap");
/* ==========================================================================
   Alex Borunov portfolio — dark product
   One idea: the numbers are the ornament. Everything else is quiet.
   Cold near-black surfaces, hairline borders, dense grotesque, mono for
   every label and every figure. No serif, no shadows, no rounded cards.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. TOKENS
   -------------------------------------------------------------------------- */
:root{
  color-scheme: dark;

  /* surfaces. base is #0B0B12, taken from the Survivor Bias podcast site,
     so the two properties read as one person. cool, slightly violet black. */
  --bg:#0B0B12;
  --bg-1:#101018;
  --bg-2:#16161F;
  --bg-3:#1D1D28;

  /* hairlines */
  --line:#22222E;
  --line-2:#2E2E3C;
  --line-3:#3C3C4C;

  /* text */
  --ink:#ECECF2;
  --ink-2:#A3A3B4;
  --ink-3:#6C6C80;
  --ink-4:#49495B;

  /* the one accent: a readout amber. used on figures and almost nothing else */
  --sig:#E8B339;
  --sig-dim:#8A6A1F;
  --sig-bg:rgba(232,179,57,.09);

  /* a second, colder accent for links and focus only */
  --link:#8AB4F8;

  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,"Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,"Roboto Mono",Consolas,monospace;

  --gutter:24px;
  --measure:680px;
  --wide:1180px;
}

/* --------------------------------------------------------------------------
   2. BASE
   -------------------------------------------------------------------------- */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:15.5px;
  line-height:1.6;
  letter-spacing:-.005em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit}
img{max-width:100%;height:auto;display:block}
::selection{background:var(--sig);color:#0B0B12}

.wrap{max-width:var(--wide);margin:0 auto;padding:0 var(--gutter)}
.read{max-width:var(--measure);margin:0 auto;padding:0 var(--gutter)}
@media (max-width:640px){ :root{--gutter:18px} }

.skip{position:absolute;left:-9999px}
.skip:focus{left:8px;top:8px;z-index:200;background:var(--sig);color:#0B0B12;padding:8px 14px}

:focus-visible{outline:1px solid var(--link);outline-offset:3px}

/* the mono label used everywhere: nav, kickers, table heads, meta */
.kicker,.tag,.lang,.cell span,.sec-head h2,.sec-head .count,
.case-card .idx,.case-card .foot,.factbox dt,.toc h2,.pub-journal,
.case-meta,.case-nav .dir,.tldr h2,.cost h3,.copybtn,.site-foot{
  font-family:var(--mono);
  font-feature-settings:"tnum" 1;
}

/* --------------------------------------------------------------------------
   3. NAV — thin, monospaced, flush hairline
   -------------------------------------------------------------------------- */
.nav{
  position:sticky;top:0;z-index:50;
  background:rgba(11,11,18,.74);
  backdrop-filter:saturate(140%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-in{
  display:flex;align-items:center;gap:24px;height:52px;
  max-width:var(--wide);margin:0 auto;padding:0 var(--gutter);
}
.brand{
  font-family:var(--mono);font-size:13px;font-weight:500;
  letter-spacing:-.01em;text-decoration:none;white-space:nowrap;color:var(--ink);
}
.brand::before{content:"◆ ";color:var(--sig)}
.nav ul{display:flex;gap:2px;list-style:none;margin:0;padding:0;overflow-x:auto;scrollbar-width:none}
.nav ul::-webkit-scrollbar{display:none}
.nav ul a{
  font-family:var(--mono);font-size:12.5px;text-decoration:none;
  color:var(--ink-3);white-space:nowrap;padding:5px 10px;
  transition:color .12s,background .12s;
}
.nav ul a:hover{color:var(--ink);background:var(--bg-2)}
.nav ul a[aria-current="page"]{color:var(--sig)}
.nav .cta{
  margin-left:auto;font-family:var(--mono);font-size:12.5px;
  text-decoration:none;color:var(--ink);
  border:1px solid var(--line-2);padding:6px 13px;
  transition:border-color .12s,color .12s;white-space:nowrap;
}
.nav .cta:hover{border-color:var(--sig);color:var(--sig)}
@media (max-width:760px){ .nav-in{gap:8px} .nav ul a{padding:5px 5px} .nav .cta{padding:5px 10px} }

/* --------------------------------------------------------------------------
   4. SHARED
   -------------------------------------------------------------------------- */
.kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--ink-3);font-weight:500;
}
.dot{width:5px;height:5px;background:var(--sig);box-shadow:0 0 8px var(--sig)}

.tag{
  display:inline-block;font-size:11px;letter-spacing:.06em;text-transform:uppercase;
  color:var(--ink-3);border:1px solid var(--line-2);padding:2px 7px;
}
.lang{
  display:inline-block;font-size:10px;letter-spacing:.08em;
  border:1px solid var(--line-2);padding:1px 5px;color:var(--ink-4);vertical-align:2px;
}

.pill{
  display:inline-block;text-decoration:none;font-size:13.5px;
  padding:8px 15px;border:1px solid var(--line-2);
  color:var(--ink-2);background:transparent;
  transition:border-color .12s,color .12s,background .12s;
}
.pill:hover{border-color:var(--line-3);color:var(--ink);background:var(--bg-2)}
.pill.solid{background:var(--sig);border-color:var(--sig);color:#0B0B12;font-weight:600}
.pill.solid:hover{background:#F0C255;border-color:#F0C255;color:#0B0B12}
.pill-row{display:flex;flex-wrap:wrap;gap:8px}

.copybtn{
  font-size:12.5px;cursor:pointer;
  background:transparent;color:var(--ink-3);
  border:1px solid var(--line-2);padding:7px 14px;
  transition:border-color .12s,color .12s;
}
.copybtn:hover{color:var(--sig);border-color:var(--sig-dim)}
.copybtn[data-done="1"]{color:var(--sig);border-color:var(--sig)}

.sec-head{
  display:flex;align-items:center;gap:14px;
  margin:96px 0 0;padding-bottom:12px;border-bottom:1px solid var(--line-2);
}
.sec-head h2{
  font-size:11.5px;letter-spacing:.13em;text-transform:uppercase;
  font-weight:500;margin:0;color:var(--ink-2);
}
.sec-head .count{font-size:11.5px;color:var(--ink-4);margin-left:auto;letter-spacing:.06em}
@media (max-width:640px){ .sec-head{margin-top:64px} }

/* figures: the one place colour is allowed */
.grid-cells{
  display:flex;flex-wrap:wrap;
  border:1px solid var(--line);background:var(--bg-1);
}
.cell{
  flex:1 1 160px;padding:18px 20px;
  border-right:1px solid var(--line);border-top:1px solid var(--line);margin-top:-1px;
}
.cell:last-child{border-right:none}
.cell b{
  display:block;font-family:var(--mono);font-feature-settings:"tnum" 1;
  font-size:22px;font-weight:500;letter-spacing:-.02em;color:var(--sig);
}
.cell span{
  display:block;font-size:11px;color:var(--ink-3);margin-top:6px;line-height:1.45;
  letter-spacing:.02em;
}
.prose .grid-cells{margin:32px 0}
@media (max-width:520px){ .cell{flex:1 1 45%} }

.note{
  font-size:14px;color:var(--ink-3);border-left:1px solid var(--line-3);
  padding-left:16px;margin:24px 0;
}

/* --------------------------------------------------------------------------
   5. HOME
   -------------------------------------------------------------------------- */
.hero{padding:112px var(--gutter) 72px;max-width:var(--wide);margin:0 auto}
@media (max-width:640px){ .hero{padding:64px var(--gutter) 48px} }
.hero h1{
  font-size:clamp(32px,5vw,52px);line-height:1.05;letter-spacing:-.035em;
  font-weight:600;margin:22px 0 24px;max-width:17ch;color:var(--ink);
}
.hero .lede{
  font-size:clamp(16px,1.8vw,18px);line-height:1.65;
  color:var(--ink-2);max-width:60ch;margin:0 0 34px;
}
.hero .lede strong{color:var(--ink);font-weight:500}

/* case index: a dense list, not cards */
.case-index{margin-top:0;border-top:1px solid var(--line-2)}
.case-card{
  /* four children into two columns: pin them explicitly or the grid
     wraps the tease under the index column */
  display:grid;grid-template-columns:132px minmax(0,1fr);
  grid-template-rows:auto auto auto;gap:0 36px;
  text-decoration:none;padding:30px 18px;
  border-bottom:1px solid var(--line);
  background:none;border-radius:0;box-shadow:none;
  position:relative;transition:background .14s;
}
.case-card .top{grid-column:1;grid-row:1 / span 3}
.case-card h3{grid-column:2;grid-row:1}
.case-card p{grid-column:2;grid-row:2}
.case-card .foot{grid-column:2;grid-row:3}
.case-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;
  background:var(--sig);opacity:0;transition:opacity .14s;
}
.case-card:hover{background:var(--bg-1);transform:none}
.case-card:hover::before{opacity:1}
.case-card:hover h3{color:var(--sig)}

.case-card .top{display:flex;flex-direction:column;align-items:flex-start;gap:10px;margin:0;padding:0}
.case-card .idx{font-size:11.5px;color:var(--ink-4);letter-spacing:.08em}
.case-card h3{
  font-family:var(--font);font-weight:550;
  font-size:clamp(18px,2.1vw,21px);line-height:1.32;letter-spacing:-.02em;
  margin:0 0 10px;color:var(--ink);transition:color .14s;
}
.case-card p{margin:0 0 16px;color:var(--ink-3);font-size:14.5px;line-height:1.6;max-width:64ch}
.case-card .foot{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:11.5px;color:var(--ink-4);letter-spacing:.03em;
}
.case-card .headline{color:var(--sig);font-weight:500}
.case-card .go{margin-left:auto;color:var(--ink-3)}
.case-card:hover .go{color:var(--sig)}
@media (max-width:760px){
  .case-card{grid-template-columns:1fr;grid-template-rows:none;gap:0;padding:26px 14px}
  .case-card .top,.case-card h3,.case-card p,.case-card .foot{grid-column:1;grid-row:auto}
  .case-card .top{flex-direction:row;align-items:center;gap:12px;margin-bottom:14px}
  .case-card .go{margin-left:0}
}

/* how I work */
.short-list{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);
  border:1px solid var(--line);margin-top:32px}
@media (max-width:760px){ .short-list{grid-template-columns:1fr} }
.short{background:var(--bg);padding:26px 24px;border-radius:0;border:none;box-shadow:none}
.short h4{font-size:15px;font-weight:600;margin:0 0 10px;letter-spacing:-.015em;color:var(--ink)}
.short p{margin:0;font-size:14.5px;color:var(--ink-3);line-height:1.62}

/* --------------------------------------------------------------------------
   6. CASE PAGE
   -------------------------------------------------------------------------- */
.case-hero{padding:80px 0 0;border-bottom:1px solid var(--line);padding-bottom:44px;margin-bottom:44px}
@media (max-width:640px){ .case-hero{padding-top:48px;padding-bottom:32px;margin-bottom:32px} }
.case-hero h1{
  font-size:clamp(27px,4.2vw,40px);line-height:1.12;letter-spacing:-.032em;
  font-weight:600;margin:20px 0 20px;
}
.case-hero .dek{font-size:clamp(16px,1.9vw,18.5px);line-height:1.6;color:var(--ink-2);margin:0 0 26px}
.case-meta{
  display:flex;gap:14px;flex-wrap:wrap;font-size:11.5px;
  color:var(--ink-4);letter-spacing:.05em;text-transform:uppercase;
}

/* fact box: a spec sheet */
.factbox{border:1px solid var(--line);background:var(--bg-1);padding:0;margin:0 0 32px}
.factbox dl{display:flex;flex-wrap:wrap;margin:0}
.factbox dl > div{flex:1 1 220px;padding:18px 20px;border-right:1px solid var(--line);border-top:1px solid var(--line);margin-top:-1px}
.factbox dl > div:last-child{border-right:none}
.factbox dt{font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-4);margin-bottom:7px}
.factbox dd{margin:0;font-size:14px;color:var(--ink-2);line-height:1.55}
@media (max-width:560px){ .factbox dl > div{flex:1 1 100%;border-right:none} }

/* tl;dr */
.tldr{border:1px solid var(--sig-dim);background:var(--sig-bg);padding:20px 22px;margin:0 0 8px;border-radius:0}
.tldr h2{font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;font-weight:500;margin:0 0 10px;color:var(--sig)}
.tldr p{margin:0;font-size:15.5px;line-height:1.6;color:var(--ink)}

/* prose */
.prose h2{
  font-family:var(--font);font-weight:600;
  font-size:clamp(19px,2.4vw,24px);line-height:1.25;letter-spacing:-.024em;
  margin:64px 0 18px;color:var(--ink);
  padding-top:18px;border-top:1px solid var(--line);
}
.prose h3{font-size:15.5px;font-weight:600;margin:32px 0 10px;letter-spacing:-.012em}
.prose p{margin:0 0 20px;color:var(--ink-2);font-size:15.5px;line-height:1.72}
.prose p strong{color:var(--ink);font-weight:550}
.prose a{color:var(--link);text-decoration:none;border-bottom:1px solid rgba(138,180,248,.35)}
.prose a:hover{border-bottom-color:var(--link)}
.prose ul,.prose ol{margin:0 0 20px;padding-left:20px;color:var(--ink-2)}
.prose li{margin-bottom:10px}
.prose li strong{color:var(--ink);font-weight:550}

/* the fork */
.fork{margin:28px 0}
.fork-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1px;background:var(--line)}
.opt{border:none;border-radius:0;padding:22px;background:var(--bg-1);position:relative}
.opt[data-chosen]{background:var(--bg-2);padding:22px}
.opt[data-chosen]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--sig)}
.opt .opt-label{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;
  color:var(--ink-4);margin-bottom:10px;display:block;
}
.opt[data-chosen] .opt-label{color:var(--sig)}
.opt h4{margin:0 0 8px;font-size:15px;font-weight:600;letter-spacing:-.015em;color:var(--ink)}
.opt p{margin:0;font-size:14px;color:var(--ink-3);line-height:1.6}
.fork-verdict{margin-top:1px;padding:22px;background:var(--bg-1);border:1px solid var(--line);border-top:none}
.fork-verdict p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.65}
.fork-verdict p+p{margin-top:14px}

/* cost */
.cost{border:1px solid var(--line-2);border-left:2px solid var(--sig);background:var(--bg-1);padding:20px 22px;margin:28px 0;border-radius:0}
.cost h3{margin:0 0 9px;font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;font-weight:500;color:var(--sig)}
.cost p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.65}

/* artifacts */
figure{margin:36px 0;padding:0;border:1px solid var(--line);background:var(--bg-1);overflow:hidden;border-radius:0;box-shadow:none}
figure img,figure svg{display:block;width:100%;height:auto}
figcaption{font-family:var(--mono);font-size:11.5px;color:var(--ink-4);line-height:1.55;padding:13px 16px;border-top:1px solid var(--line);background:var(--bg)}
.artifact-slot{
  display:grid;place-items:center;text-align:center;min-height:200px;padding:32px;
  background:
    repeating-linear-gradient(45deg,transparent,transparent 9px,var(--bg-2) 9px,var(--bg-2) 10px);
  color:var(--ink-4);font-family:var(--mono);font-size:12px;line-height:1.7;
}
.artifact-slot p{margin:0;max-width:44ch}
.artifact-slot code{color:var(--ink-3);background:var(--bg-3);padding:2px 6px;border:1px solid var(--line-2);white-space:nowrap}
.figrow{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:36px 0}
.figrow figure{margin:0}
@media (max-width:640px){ .figrow{grid-template-columns:1fr} }

/* draft markers */
.draft{
  border:1px dashed var(--line-3);padding:14px 18px;margin:20px 0;
  background:var(--bg-1);color:var(--ink-4);font-size:14px;
}
.draft b{color:var(--ink-3);font-weight:550}

/* takeaway */
.takeaway{margin:64px 0 0;padding:28px;border:1px solid var(--line-2);background:var(--bg-1);border-radius:0}
.takeaway h2{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;
  font-weight:500;margin:0 0 12px;color:var(--ink-4);
}
.takeaway p{margin:0;font-size:17px;line-height:1.55;color:var(--ink);letter-spacing:-.012em}

/* sticky toc */
.case-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:0}
.case-layout > *{min-width:0}
.case-layout > .read{width:100%}
@media (min-width:1080px){
  .case-layout{
    grid-template-columns:minmax(0,var(--measure)) 200px;
    gap:64px;justify-content:center;max-width:var(--wide);margin:0 auto;padding:0 var(--gutter);
  }
  .case-layout .read{max-width:none;margin:0;padding:0}
}
.toc{display:none;position:sticky;top:84px;align-self:start;font-size:12.5px;padding-top:2px}
.toc h2{font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;font-weight:500;color:var(--ink-4);margin:0 0 14px}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:toc}
.toc li{counter-increment:toc;margin-bottom:2px}
.toc a{
  font-family:var(--mono);font-size:11.5px;text-decoration:none;color:var(--ink-4);
  display:block;padding:5px 0 5px 26px;position:relative;transition:color .12s;line-height:1.4;
}
.toc a::before{content:counter(toc,decimal-leading-zero);position:absolute;left:0;font-size:10.5px;opacity:.6}
.toc a:hover{color:var(--ink-2)}
.toc a.active{color:var(--sig)}
.toc a.active::before{opacity:1}
@media (min-width:1080px){ .toc{display:block} }

/* prev / next */
.case-nav{display:grid;grid-template-columns:1fr 1fr;gap:1px;margin:72px 0 0;background:var(--line);border:1px solid var(--line)}
@media (max-width:640px){ .case-nav{grid-template-columns:1fr} }
.case-nav a{
  text-decoration:none;border:none;border-radius:0;padding:20px 22px;background:var(--bg);
  transition:background .12s;
}
.case-nav a:hover{background:var(--bg-2);border-color:transparent}
.case-nav .dir{display:block;font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--ink-4);margin-bottom:8px}
.case-nav .ttl{font-size:14.5px;font-weight:550;line-height:1.4;color:var(--ink)}
.case-nav a:hover .ttl{color:var(--sig)}
.case-nav .next{text-align:right}

/* --------------------------------------------------------------------------
   7. PROOF
   -------------------------------------------------------------------------- */
.pubs{display:grid;gap:1px;margin-top:28px;background:var(--line);border:1px solid var(--line)}
.pub{background:var(--bg);border:none;border-radius:0;padding:26px 24px;box-shadow:none}
.pub-journal{
  display:inline-block;font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;
  color:var(--sig);background:none;border:1px solid var(--sig-dim);padding:3px 8px;margin-bottom:14px;
}
.pub h3{margin:0 0 10px;font-size:16.5px;line-height:1.4;font-weight:600;letter-spacing:-.018em;color:var(--ink)}
.pub .cite{font-family:var(--mono);font-size:12px;color:var(--ink-4);margin:0 0 16px;line-height:1.65}
.pub .cite a{color:var(--link);text-decoration:none;border-bottom:1px solid rgba(138,180,248,.3)}
.pub .cite a:hover{border-bottom-color:var(--link)}
.pub .found{margin:0;font-size:14.5px;color:var(--ink-3);line-height:1.65}
.pub .found strong{color:var(--ink-2);font-weight:550}
.pub .found a{color:var(--link);text-decoration:none;border-bottom:1px solid rgba(138,180,248,.3)}
.disclosure{
  margin-top:24px;font-size:14px;color:var(--ink-3);
  background:var(--sig-bg);border:1px solid var(--sig-dim);padding:16px 18px;line-height:1.6;
}
.disclosure b{color:var(--sig);font-weight:550}

/* --------------------------------------------------------------------------
   8. FOOTER
   -------------------------------------------------------------------------- */
.site-foot{margin-top:112px;border-top:1px solid var(--line);padding:28px 0 56px;font-size:11.5px;color:var(--ink-4);letter-spacing:.04em}
.site-foot .in{display:flex;flex-wrap:wrap;gap:14px;align-items:center;max-width:var(--wide);margin:0 auto;padding:0 var(--gutter)}
.site-foot a{color:var(--ink-4);text-decoration:none}
.site-foot a:hover{color:var(--sig)}
.site-foot .sep{opacity:.35}

/* leftovers from the light build, neutralised */
.todo-block{border:1px dashed var(--line-3);background:var(--bg-1);padding:16px 18px;margin:20px 0;color:var(--ink-3);font-size:14px}
.todo-block b{color:var(--ink-2);font-weight:550;display:block;margin-bottom:6px;font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;font-family:var(--mono)}
.todo{background:var(--bg-2);border:1px dashed var(--line-3);padding:2px 8px;color:var(--ink-3);font-size:13px;font-family:var(--mono)}

/* --------------------------------------------------------------------------
   9. DATA: bar charts, tables, timelines, quotes
   Charts are plain HTML so labels stay legible at any width.
   Amber carries the series the story is about; context series are grey.
   -------------------------------------------------------------------------- */
.chart{padding:20px 20px 0}
.chart-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 20px;margin:0 0 22px}
.chart-title{margin:0;font-size:14px;font-weight:600;letter-spacing:-.01em;color:var(--ink);line-height:1.4}
.chart-sub{display:block;font-family:var(--mono);font-size:11px;font-weight:400;color:var(--ink-4);letter-spacing:.02em;margin-top:3px}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;list-style:none;margin:0;padding:0;font-family:var(--mono);font-size:11px;color:var(--ink-3)}
.legend li{display:flex;align-items:center;gap:7px}
.sw{display:inline-block;width:10px;height:10px;border-radius:2px;background:var(--sig)}
.sw.ctx{background:var(--ink-3)}

.plot{position:relative;height:210px;margin:0 0 0 44px;border-bottom:1px solid var(--line-3)}
.plot .gl{position:absolute;left:0;right:0;height:0;border-top:1px solid var(--line)}
.plot .gl span{position:absolute;right:calc(100% + 9px);top:-8px;font-family:var(--mono);font-size:10.5px;color:var(--ink-4);font-feature-settings:"tnum" 1;white-space:nowrap}
.plot .groups{position:absolute;inset:0;display:flex;justify-content:space-around;align-items:flex-end}
.plot .grp{display:flex;align-items:flex-end;gap:2px;height:100%}
.bar{
  width:22px;height:calc(var(--v) / var(--max) * 100%);
  background:var(--sig);border-radius:4px 4px 0 0;
  cursor:default;transition:filter .12s;outline:none;
}
.bar.ctx{background:var(--ink-3)}
.bar:hover,.bar:focus-visible{filter:brightness(1.22)}
.bar:focus-visible{box-shadow:0 0 0 1px var(--bg-1),0 0 0 2px var(--link)}
.xlab{display:flex;justify-content:space-around;margin:0 0 0 44px;padding:9px 0 16px;font-family:var(--mono);font-size:11px;color:var(--ink-3)}
.xlab span{width:46px;text-align:center}
@media (max-width:420px){ .bar{width:16px} .plot,.xlab{margin-left:38px} }

.chart-tip{
  position:fixed;z-index:120;pointer-events:none;opacity:0;transition:opacity .08s;
  background:var(--bg-3);border:1px solid var(--line-3);padding:8px 11px;
  font-family:var(--mono);font-size:11.5px;line-height:1.5;color:var(--ink-3);
  max-width:240px;
}
.chart-tip[data-on="1"]{opacity:1}
.chart-tip b{display:block;color:var(--ink);font-weight:500;font-size:13px;font-feature-settings:"tnum" 1}

/* table twin of a chart, or a small table in its own right */
.table-wrap{overflow-x:auto;max-width:100%;border-top:1px solid var(--line)}
.data-table{width:100%;border-collapse:collapse;font-family:var(--mono);font-size:12px;font-feature-settings:"tnum" 1;background:var(--bg-1)}
.data-table caption{text-align:left;padding:12px 16px 4px;color:var(--ink-4);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase}
.data-table th{font-weight:500;color:var(--ink-4);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;text-align:right;padding:10px 16px;border-bottom:1px solid var(--line-2);white-space:nowrap}
.data-table td{text-align:right;padding:9px 16px;color:var(--ink-2);border-bottom:1px solid var(--line);white-space:nowrap}
.data-table th:first-child,.data-table td:first-child{text-align:left}
.data-table tfoot td{color:var(--ink);font-weight:500;border-bottom:none}
.data-table .up{color:var(--sig)}
.data-table .down{color:var(--ink-3)}

/* figure that holds a white product screenshot: a thin frame so it does not glare */
figure.shot img{background:#fff}
figure.shot{background:var(--bg-2)}
.figrow.top{align-items:start}

/* dated sequence of events */
.timeline{list-style:none;margin:28px 0 32px;padding:0;border-left:1px solid var(--line-2)}
.timeline li{position:relative;padding:0 0 18px 22px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:-3px;top:8px;width:5px;height:5px;background:var(--ink-4)}
.timeline li.key::before{background:var(--sig);box-shadow:0 0 8px var(--sig)}
.timeline time{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-4);margin-bottom:3px}
.timeline p{margin:0;font-size:14.5px;line-height:1.6;color:var(--ink-2)}
.timeline p strong{color:var(--ink);font-weight:550}

/* quotes from published sources */
.prose blockquote{margin:28px 0;padding:2px 0 2px 18px;border-left:2px solid var(--sig-dim)}
.prose blockquote p{margin:0 0 8px;font-size:16.5px;line-height:1.6;color:var(--ink);letter-spacing:-.01em}
.prose blockquote cite{font-style:normal;font-family:var(--mono);font-size:11px;color:var(--ink-4);letter-spacing:.03em}

/* sources list at the end of a case */
.sources{font-size:13.5px}
.sources li{color:var(--ink-3);margin-bottom:8px}

@media print{
  .nav,.toc,.case-nav,.copybtn,.site-foot{display:none}
  body{background:#fff;color:#000;font-size:11pt}
  .chart-tip{display:none}
}

/* ==========================================================================
   READABILITY PASS (2026-10-16)
   Brighter secondary text, bigger body copy, larger small labels.
   Delete this block to return to the original look.
   ========================================================================== */
:root{
  --ink:#F1F1F6;
  --ink-2:#C9C9D6;
  --ink-3:#A2A2B6;
  --ink-4:#86869A;
  --measure:720px;
}
body{font-size:17px;line-height:1.65}

/* long-form text */
.prose p,.prose ul,.prose ol{font-size:17.5px;line-height:1.75;color:var(--ink-2)}
.prose h3{font-size:18px}
.case-hero .dek{font-size:clamp(18px,2vw,20.5px);color:var(--ink-2)}
.tldr p{font-size:17.5px;line-height:1.65}
.factbox dd{font-size:15.5px}
.opt p{font-size:15.5px;color:var(--ink-2)}
.case-card p,.short p,.pub .found{font-size:16px;color:var(--ink-2)}
.prose blockquote p{font-size:17.5px}

/* small labels: still mono, but readable */
.kicker,.case-meta,.factbox dt,.tldr h2,.cost h3,.opt-label,.toc h2,
.case-nav .dir,.sec-head h2,.sec-head .count,.case-card .idx,.case-card .foot,
.data-table caption,.data-table th,.timeline time{
  font-size:12.5px !important;letter-spacing:.07em !important;
}
.cell span{font-size:13px;color:var(--ink-3)}
.toc a{font-size:13px}
.nav ul a,.nav .cta,.brand,.copybtn{font-size:13.5px}
.chart-sub,.legend,.xlab,.plot .gl span{font-size:12.5px}
.data-table{font-size:13.5px}
.site-foot{font-size:13px}

/* captions read as text, not as code */
figcaption{font-family:var(--font);font-size:14px;color:var(--ink-3);line-height:1.55}
.prose blockquote cite{font-size:13px;color:var(--ink-3)}
figure.photo{max-width:460px}

/* ==========================================================================
   LIGHT THEME (2026-10-16). Delete this block to go back to dark.
   ========================================================================== */
:root{
  color-scheme: light;
  --bg:#FAFAF7;
  --bg-1:#FFFFFF;
  --bg-2:#F1F1EC;
  --bg-3:#E8E8E2;
  --line:#E3E3DD;
  --line-2:#D4D4CD;
  --line-3:#BEBEB6;
  --ink:#15151B;
  --ink-2:#2E2E37;
  --ink-3:#575762;
  --ink-4:#6E6E79;
  --sig:#B07400;
  --sig-dim:#D9AE55;
  --sig-bg:rgba(232,179,57,.13);
  --link:#1D5BC4;
}
.nav{background:rgba(250,250,247,.86)}
.prose a,.pub .cite a,.pub .found a{border-bottom-color:rgba(29,91,196,.35)}
::selection{background:#F3D27E;color:#15151B}
.pill.solid{color:#fff}
.dot{box-shadow:none}

/* ==========================================================================
   MATCH NEW HOMEPAGE (2026-10-16): fonts, orange accent, dark nav
   ========================================================================== */
:root{
  --font:'IBM Plex Sans',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
  --sig:#C2410C;
  --sig-dim:#F2B58F;
  --sig-bg:rgba(255,122,61,.10);
  --bg:#F6F4EE;
  --line:#DDD8CC;
}
h1,h2,h3,.case-hero h1,.prose h2,.prose h3,.fork h4,.cell b,.brand{font-family:'Space Grotesk',system-ui,sans-serif;letter-spacing:-.02em}
.nav{background:#111214;border-bottom:0}
.nav .brand,.nav ul a,.nav .cta{color:#F2F0EA}
.nav .brand::before{color:#FF7A3D}
.nav ul a:hover{background:rgba(255,255,255,.1);color:#fff}
.nav .cta{background:#FF7A3D;color:#111214;border-color:#FF7A3D;border-radius:8px;font-weight:600}
.nav .cta:hover{background:#FF9361;color:#111214;border-color:#FF9361}
.dot{background:#FF7A3D}

/* nav edges match the home page: brand and CV at 3% from the window edges */
.nav-in{max-width:none;padding:0 3%}

/* unified site header, identical to the home page (index.html .nav) */
.sitebar{background:#111214;color:#F2F0EA}
.sitenav{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:22px 3%}
.sitenav .plate{background:rgba(17,18,20,.74);border-radius:10px;backdrop-filter:blur(6px)}
.sitenav .brand{font-family:'Space Grotesk',system-ui,sans-serif;font-weight:700;font-size:18px;letter-spacing:-.02em;line-height:1.6;text-decoration:none;display:flex;align-items:center;gap:10px;padding:9px 14px;color:#F2F0EA}
.sitenav .brand::before{content:none}
.sitenav .brand i{width:12px;height:12px;background:#FF7A3D;display:inline-block}
.sitenav .links{display:flex;gap:4px;flex-wrap:wrap;margin-left:auto;padding:6px;font-family:'IBM Plex Sans',system-ui,sans-serif;font-size:15px;line-height:1.6}
.sitenav .links a{text-decoration:none;padding:5px 10px;border-radius:7px;color:#F2F0EA}
.sitenav .links a:hover{background:rgba(255,255,255,.1)}
.sitenav .links a[aria-current]{color:#FF7A3D}
.sitenav .cv{background:#FF7A3D;color:#111214;font-family:'IBM Plex Sans',system-ui,sans-serif;font-weight:600;font-size:15px;line-height:1.6;text-decoration:none;padding:11px 16px;border-radius:10px;white-space:nowrap}
.sitenav .cv:hover{background:#FF9361}
.sitenav a:focus-visible{outline:2px solid #FF7A3D;outline-offset:3px}
@media (max-width:700px){.sitenav{padding:10px 12px;gap:8px}.sitenav .plate{background:transparent;backdrop-filter:none}.sitenav .brand{padding:6px 4px;font-size:16px}.sitenav .links{margin-left:0;padding:0;font-size:14px;order:3;flex-basis:100%}.sitenav .links a{padding:5px 8px}.sitenav .cv{order:2;margin-left:auto;padding:6px 12px;font-size:14px;border-radius:7px}}
.sitenav .brand .ava{width:24px;height:24px;flex:none;display:block;image-rendering:pixelated}