@font-face{font-family:"Bricolage";src:url(fonts/bricolage.woff2) format("woff2");font-weight:200 800;font-stretch:75% 100%;font-display:swap}
@font-face{font-family:"Newsreader";src:url(fonts/newsreader.woff2) format("woff2");font-weight:200 800;font-style:normal;font-display:swap}
@font-face{font-family:"Newsreader";src:url(fonts/newsreader-italic.woff2) format("woff2");font-weight:200 800;font-style:italic;font-display:swap}

:root{
  --paper:#fcfcfd; --ink:#101216; --mute:#59606c; --line:#dfe2e7;
  --c1:#8d87ff; --c2:#4fd6ee; --c3:#ff72b3;
  --display:"Bricolage","Arial Narrow",Arial,sans-serif;
  --text:"Newsreader",Georgia,"Times New Roman",serif;
  --pad:clamp(1.25rem,4.5vw,4rem);
  --gut:max(var(--pad),calc((100vw - 82rem)/2));
}
@media (prefers-color-scheme:dark){
  :root{--paper:#08090b; --ink:#f3f4f6; --mute:#9ba2ae; --line:#24272e;
    --c1:#5448e6; --c2:#0d9fbd; --c3:#d8357f;}
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.19rem/1.62 var(--text);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
a{color:inherit;text-underline-offset:.22em;text-decoration-thickness:1px}
:focus-visible{outline:2px solid var(--c1);outline-offset:3px}
p{margin:0}
.skip{position:absolute;left:-999rem;top:.75rem;z-index:30;background:var(--ink);color:var(--paper);padding:.6rem 1rem;font:500 .95rem var(--display)}
.skip:focus{left:.75rem}
.wrap{padding:0 var(--gut)}

/* type */
h1,h2,h3,dt{font-family:var(--display);margin:0}
h1,.big{font-weight:700;font-stretch:78%;letter-spacing:-.028em;line-height:.94;font-size:clamp(2rem,min(8.4vw,11.5vh),8.5rem);font-size:clamp(2rem,min(8.4vw,11.5svh),8.5rem)}
h1 span{display:block}
.h{font-weight:600;font-stretch:82%;letter-spacing:-.022em;line-height:1.02;font-size:clamp(2rem,5vw,4rem);max-width:19ch;text-wrap:balance}
.h-m{font-size:clamp(1.75rem,3.2vw,2.6rem);max-width:16ch}
h3,dt{font-weight:600;font-stretch:88%;letter-spacing:-.012em;font-size:1.32rem;line-height:1.2}
.lede{font-size:clamp(1.18rem,1.55vw,1.75rem);line-height:1.5;color:var(--mute);max-width:31em}

/* controls */
.btn{display:inline-block;background:var(--ink);color:var(--paper);text-decoration:none;font:600 1.02rem/1.15 var(--display);font-stretch:92%;padding:1.02rem 1.5rem;border-radius:.5rem;transition:background-color .18s ease,color .18s ease}
@media (hover:hover){.btn:hover{background:var(--c1);color:#0b0c10}}
.go{display:flex;flex-wrap:wrap;align-items:center;gap:1rem 1.5rem}
.or{font-size:1.02rem;color:var(--mute)}

/* top bar */
.bar{position:fixed;inset:0 0 auto 0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.8rem var(--gut);background:var(--paper);background:color-mix(in srgb,var(--paper) 90%,transparent);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}
.brand{display:flex;align-items:center;gap:.55rem;text-decoration:none;font:700 1.28rem/1 var(--display);font-stretch:82%;letter-spacing:-.02em}
.mark{width:1.55rem;height:1.55rem}
.k1{fill:var(--c1)}.k2{fill:var(--c2)}.k3{fill:var(--c3)}.k0{fill:var(--ink)}

/* opening scene: static by default, pinned and scroll-driven when site.js runs */
.scene{--p:1;--e:1;--l:1;padding-top:4.2rem}
.stage{display:flex;flex-direction:column}
.words{padding:clamp(1.5rem,5vh,3.5rem) var(--gut) 0;display:grid;gap:2.2rem}
.block .lede{margin-top:1.35rem}
.block:not(.block-hero) .big{font-size:clamp(2rem,4vw,3rem)}
.instrument{margin:2.5rem 0 0;position:relative;height:19rem;display:flex;flex-direction:column}
.cue{display:none}

.js .scene{height:270vh;padding-top:0}
.js .stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;display:block}
.js .words{position:relative;z-index:1;padding-top:calc(4.2rem + clamp(.6rem,4vh,3rem));gap:0}
.js .words .lede{color:var(--ink);color:color-mix(in srgb,var(--ink) 80%,var(--paper))}
.js .block{grid-area:1/1;align-self:start;opacity:0;pointer-events:none;transition:opacity .45s ease}
.js .block.on{opacity:1;pointer-events:auto}
.js .block:not(.block-hero) .big{font-size:clamp(2.6rem,min(11vw,11.5vh),8.5rem);font-size:clamp(2.6rem,min(11vw,11.5svh),8.5rem)}
.js .instrument{position:absolute;left:0;right:0;bottom:0;height:var(--ih,56vh);margin:0}
.js .cue{display:inline}

.field{position:relative;flex:1;min-height:0;margin-top:.5rem;padding:0 var(--gut);display:flex;flex-direction:column;--ea:54;--eb:53.5;--ewa:11;--ewb:11.5}
.scale{flex:none;height:1.1rem;border-top:1.5px solid var(--ink);
  background:
   repeating-linear-gradient(90deg,var(--ink) 0,var(--ink) 1.5px,transparent 1.5px,transparent 10%) 0 0/100% 100% no-repeat,
   repeating-linear-gradient(90deg,var(--mute) 0,var(--mute) 1px,transparent 1px,transparent 1%) 0 0/100% 42% no-repeat}
figcaption{flex:none;display:flex;flex-wrap:wrap;justify-content:space-between;gap:.35rem 1.5rem;padding:.6rem var(--gut) .9rem;font:500 .8rem/1.3 var(--display);color:var(--mute)}
.cue{color:var(--ink)}

/* sections */
.sec{padding:clamp(4.5rem,11vw,9.5rem) 0}
.sec + .sec{border-top:1px solid var(--line)}
.cols{display:grid;gap:1.6rem;margin-top:clamp(2rem,4.5vw,3.6rem);max-width:60rem}
@media (min-width:52rem){.cols{grid-template-columns:1fr 1fr;gap:3.5rem}}
.cols p{color:var(--mute)}
.say{margin-top:clamp(3rem,7vw,6rem);font-style:italic;font-size:clamp(1.6rem,3.6vw,3rem);line-height:1.22;letter-spacing:-.008em;max-width:26ch;margin-left:auto;text-wrap:balance}

.ledger{margin:clamp(2.4rem,5.5vw,4.5rem) 0 0}
.ledger div{display:grid;gap:.5rem;padding:1.5rem 0;border-top:1px solid var(--line)}
.ledger div:last-child{border-bottom:1px solid var(--line)}
.ledger dd{margin:0;color:var(--mute);max-width:36rem}
@media (min-width:52rem){.ledger div{grid-template-columns:5fr 7fr;gap:3rem;padding:1.9rem 0;align-items:baseline}.ledger dt{font-size:1.75rem}}

.pair{display:grid;gap:4.5rem}
@media (min-width:60rem){.pair{grid-template-columns:1fr 1fr;gap:0}.pair > div:first-child{padding-right:4rem;border-right:1px solid var(--line)}.pair > div:last-child{padding-left:4rem}}
.list{list-style:none;padding:0;margin:2.2rem 0 0;color:var(--mute)}
.list li{padding:1rem 0;border-top:1px solid var(--line)}
.list strong{color:var(--ink);font-weight:600}
.note{margin-top:1.4rem;padding-top:1.4rem;border-top:1px solid var(--line);color:var(--ink)}

.sec.flip{background:var(--ink);color:var(--paper);border-top:0}
.sec.flip + .sec{border-top:0}
.flip .cols p{color:var(--paper);color:color-mix(in srgb,var(--paper) 72%,var(--ink))}
.flip h3{margin-bottom:.6rem}
.flip .h{font-size:clamp(2.4rem,6.2vw,5.2rem);max-width:14ch}
.flip .cols p{font-size:1.25rem}

.end .big{font-size:clamp(2.7rem,min(11vw,13vh),9rem);font-size:clamp(2.7rem,min(11vw,13svh),9rem);max-width:11ch}
.end .lede{margin-top:1.6rem}
.end .go{margin-top:2.2rem}

.foot{padding:0 0 3rem;font:400 .82rem/1.6 var(--display);color:var(--mute)}
.foot .wrap{padding-top:2rem}
.foot p{max-width:52rem}
.foot p + p{margin-top:.5rem}
.strip{border-top:1.5px solid var(--ink)}

@media (min-width:52rem){
  html:not(.js) .words{grid-template-columns:repeat(3,1fr);column-gap:3rem}
  html:not(.js) .block-hero{grid-column:1/-1}
}
@media (max-width:34rem){
  body{font-size:1.1rem}
  h1{font-size:min(9.2vw,9.4vh);font-size:min(9.2vw,9.4svh)}
  .js .cue{display:none}
  .lede{font-size:1.1rem}
  .bar{padding-top:.5rem;padding-bottom:.5rem}
  .js .words{padding-top:calc(3.9rem + clamp(.4rem,3vh,2rem))}
  h1 span{text-wrap:balance}
  figcaption{font-size:.75rem}
  .brand{font-size:1.15rem}
}
@media (prefers-reduced-motion:reduce){.btn,.js .block{transition:none}}
@media (max-width:26rem){
  .brand{font-size:1.05rem;gap:.4rem}
  .mark{width:1.3rem;height:1.3rem}
}
@media (max-width:22rem){.btn{font-size:.9rem;padding:1rem 1.05rem}}
.intro{margin-top:1.6rem}
.fields{margin-top:clamp(2rem,4.5vw,3.4rem);border-top:1.5px solid var(--ink)}
.frow{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr;gap:1.5rem;padding:1.15rem 0;border-bottom:1px solid var(--line);color:var(--mute)}
.frow > :first-child{font:600 1.08rem/1.3 var(--display);font-stretch:88%;color:var(--ink)}
.fhead{font:600 .9rem/1.3 var(--display);color:var(--ink);padding:.8rem 0}
.fhead > :first-child{font-size:.9rem;color:var(--mute)}
.plain-note{border-top:0;padding-top:0;margin-top:1.8rem;color:var(--mute)}
@media (max-width:46rem){
  .fhead{display:none}
  .frow{grid-template-columns:1fr;gap:.35rem;padding:1.2rem 0}
  .frow > [data-f]::before{content:attr(data-f) ": ";font:600 .88rem var(--display);color:var(--ink)}
}
.fine{flex:1 1 16rem}
.src{margin-top:1.1rem;margin-left:auto;max-width:34rem;font:400 .82rem/1.5 var(--display);color:var(--mute)}
@media (min-width:52rem){.src{width:min(34rem,52%)}}
.ledger .fig{font-weight:700;font-stretch:78%;letter-spacing:-.025em;line-height:1;font-size:clamp(2.2rem,4.6vw,3.6rem)}
.cite{display:block;margin-top:.55rem;font:400 .82rem/1.4 var(--display);color:var(--mute)}
.turn{margin-top:clamp(2.6rem,6vw,5rem);max-width:21ch}
.fields.two .frow{grid-template-columns:1fr 1.6fr}
.fields.two{max-width:52rem}
@media (max-width:46rem){.fields.two .frow{grid-template-columns:1fr}}
/* the views as rows: a bar for the range, a dot for the middle estimate */
.lane{flex:1;min-height:0;display:grid;grid-template-columns:9.5rem 1fr;align-items:center;position:relative}
.who{font:600 .92rem/1.1 var(--display);font-stretch:88%}
.track{position:relative;height:100%;background:linear-gradient(var(--line),var(--line)) center/100% 1px no-repeat}
.track i{position:absolute;display:block}
.ghost{top:0;bottom:0;left:calc(var(--ea)*1% + (var(--eb) - var(--ea))*1%*var(--p));width:calc(var(--ewa)*1% + (var(--ewb) - var(--ewa))*1%*var(--p));background:var(--mute);opacity:calc(var(--e)*.13)}
.was,.rng{top:50%;height:clamp(.6rem,36%,1.6rem);transform:translateY(-50%);border-radius:999px}
.was{left:calc(var(--a)*1%);width:calc(var(--wa)*1%);border:1.5px dashed var(--c);opacity:calc(var(--p)*.9)}
.rng{background:var(--c);left:calc(var(--a)*1% + (var(--b) - var(--a))*1%*var(--p));width:calc(var(--wa)*1% + (var(--wb) - var(--wa))*1%*var(--p))}
.dot{top:50%;width:1rem;height:1rem;border-radius:50%;background:var(--ink);box-shadow:0 0 0 2.5px var(--paper);transform:translate(-50%,-50%);
  left:calc(var(--a)*1% + (var(--b) - var(--a))*1%*var(--p) + (var(--wa)*1% + (var(--wb) - var(--wa))*1%*var(--p))*var(--m))}
.v1{--c:var(--c1);--a:6; --b:40;--wa:20;--wb:18;--m:.45}
.v2{--c:var(--c2);--a:30;--b:47;--wa:28;--wb:21;--m:.55}
.v3{--c:var(--c3);--a:70;--b:57;--wa:24;--wb:15;--m:.4}
.ev{--a:var(--ea);--b:var(--eb);--wa:var(--ewa);--wb:var(--ewb);--m:.5;opacity:var(--e)}
.ev .rng{background:repeating-linear-gradient(-45deg,var(--mute) 0,var(--mute) 1px,transparent 1px,transparent 5px);border:1.5px solid var(--ink)}
.ev .was{display:none}
@media (max-width:34rem){
  .lane{grid-template-columns:1fr}
  .who{position:absolute;top:.15rem;left:0;font-size:.76rem;z-index:1}
  .track{background-position:0 70%}
  .was,.rng,.dot{top:70%}
  .was,.rng{height:clamp(.5rem,30%,1rem)}
  .dot{width:.8rem;height:.8rem;box-shadow:0 0 0 2px var(--paper)}
}