@font-face{font-family:'Fraunces';font-style:normal;font-weight:100 900;font-display:swap;src:url(fonts/fraunces-normal-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Fraunces';font-style:normal;font-weight:100 900;font-display:swap;src:url(fonts/fraunces-normal-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:300 700;font-display:swap;src:url(fonts/source-serif-4-normal-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Source Serif 4';font-style:normal;font-weight:300 700;font-display:swap;src:url(fonts/source-serif-4-normal-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Source Serif 4';font-style:italic;font-weight:300 700;font-display:swap;src:url(fonts/source-serif-4-italic-latin-ext.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Source Serif 4';font-style:italic;font-weight:300 700;font-display:swap;src:url(fonts/source-serif-4-italic-latin.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

:root{
  --paper:#f6f1e7; --paper-2:#efe8da; --card:#fbf8f1; --rule:#d9cfbc;
  --ink:#1b1712; --ink-2:#3d352b; --muted:#4f463a;
  --red:#a3261a; --red-ink:#8e1f14; --red-soft:#f5e0da;
  --blue:#1f4f73; --blue-soft:#e0eaf1;
  --ochre:#7a5a12; --dot-off:#dcd2bf; --focus:#1f4f73;
  --shadow:0 1px 0 rgba(60,40,10,.06),0 10px 30px -18px rgba(60,40,10,.35);
  color-scheme:light;
}
:root[data-theme="dark"]{
  --paper:#16130f; --paper-2:#1d1914; --card:#201b15; --rule:#3a3228;
  --ink:#f3ecdf; --ink-2:#ddd3c3; --muted:#cbbfab;
  --red:#ff8f7c; --red-ink:#ffa596; --red-soft:#4a2019;
  --blue:#9cc8ec; --blue-soft:#1e3445;
  --ochre:#e7c276; --dot-off:#332c23; --focus:#9cc8ec;
  --shadow:0 1px 0 rgba(0,0,0,.3),0 12px 30px -18px rgba(0,0,0,.8);
  color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --paper:#16130f; --paper-2:#1d1914; --card:#201b15; --rule:#3a3228;
    --ink:#f3ecdf; --ink-2:#ddd3c3; --muted:#cbbfab;
    --red:#ff8f7c; --red-ink:#ffa596; --red-soft:#4a2019;
    --blue:#9cc8ec; --blue-soft:#1e3445;
    --ochre:#e7c276; --dot-off:#332c23; --focus:#9cc8ec;
    --shadow:0 1px 0 rgba(0,0,0,.3),0 12px 30px -18px rgba(0,0,0,.8);
    color-scheme:dark;
  }
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.125rem/1.62 'Source Serif 4',Georgia,serif;font-optical-sizing:auto}
a{color:var(--red-ink);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
img,svg,canvas{max-width:100%}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:var(--paper);padding:.5rem 1rem;z-index:50}
.skip:focus{left:1rem;top:.5rem}
.sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* top bar */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:.9rem;height:3.1rem;padding:0 max(1rem,calc((100vw - 72rem)/2));background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--rule);font:500 .9rem/1 'Source Serif 4',Georgia,serif;white-space:nowrap}
.topbar a{color:var(--ink);text-decoration:none}
.topbar .home{font-weight:650;flex:none}
.topnav{display:flex;gap:1.1rem;overflow-x:auto;scrollbar-width:none;min-width:0;flex:1 1 0}
.topnav::-webkit-scrollbar{display:none}
.topnav a{color:var(--muted);padding:.4rem 0;border-bottom:2px solid transparent}
.topnav a[aria-current="true"]{color:var(--ink);border-bottom-color:var(--red)}
.spacer{flex:0 0 .2rem}
.chip{flex:none;border:1px solid var(--rule);border-radius:99px;padding:.35rem .7rem}
.icon-btn{flex:none;display:grid;place-items:center;width:2.2rem;height:2.2rem;border-radius:50%;border:1px solid var(--rule);background:transparent;color:var(--ink);cursor:pointer}
.icon-btn svg{display:block}
.icon-btn svg[hidden]{display:none}

/* layout */
main{display:block}
section{scroll-margin-top:4rem}
.wrap{max-width:72rem;margin:0 auto;padding:0 1rem}
.read{max-width:40rem}
.kicker{font:600 .78rem/1.3 'Source Serif 4',Georgia,serif;letter-spacing:.14em;text-transform:uppercase;color:var(--red-ink);margin:0 0 .8rem}
h1,h2,h3{font-family:'Fraunces',Georgia,serif;font-weight:560;letter-spacing:-.01em;line-height:1.08;margin:0}
h1{font-size:clamp(2.5rem,6.4vw,4.6rem);font-variation-settings:'opsz' 144;font-weight:600;letter-spacing:-.025em;max-width:14ch}
h1 em{font-style:normal;color:var(--red)}
h2{font-size:clamp(1.8rem,4vw,2.8rem);font-variation-settings:'opsz' 110;max-width:22ch;margin-bottom:1rem}
h3{font-size:1.3rem;font-variation-settings:'opsz' 40}
p{margin:0 0 1rem}
.deck{font-size:clamp(1.15rem,2.2vw,1.4rem);line-height:1.5;color:var(--ink-2);max-width:36rem;margin:1.2rem 0 0}
.section{padding:clamp(3.5rem,8vw,6.5rem) 0;border-top:1px solid var(--rule)}
.lede{font-size:1.2rem;color:var(--ink-2)}
.num{font-variant-numeric:tabular-nums lining-nums}

/* hero */
.hero{padding:clamp(2rem,4.5vw,3.2rem) 0 clamp(2.5rem,6vw,4rem)}
.hero-head{display:grid;gap:.5rem}
.counter{margin-top:clamp(1.8rem,4vw,2.6rem);display:grid;grid-template-columns:minmax(0,23rem) minmax(0,1fr);gap:clamp(1.5rem,4vw,3.5rem);align-items:start}
.q{font:600 .82rem/1.3 'Source Serif 4',Georgia,serif;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin:0 0 .7rem}
.steps{display:grid;gap:.45rem;margin:0;padding:0;list-style:none}
.step{display:grid;grid-template-columns:1.9rem 1fr;gap:.2rem .7rem;align-items:baseline;width:100%;text-align:left;padding:.75rem .9rem;border:1px solid var(--rule);border-radius:.8rem;background:var(--card);color:var(--ink);font:inherit;cursor:pointer;transition:border-color .2s,background .2s,transform .2s}
.step:hover{border-color:var(--muted)}
.step .n{grid-row:span 2;font:600 1rem/1 'Fraunces',Georgia,serif;color:var(--muted);align-self:center;width:1.9rem;height:1.9rem;border-radius:50%;display:grid;place-items:center;border:1px solid var(--rule)}
.step .t{font-weight:640;font-size:1.02rem;line-height:1.25}
.step .s{font-size:.9rem;color:var(--muted);line-height:1.3}
.step[aria-pressed="true"]{border-color:var(--red);background:color-mix(in srgb,var(--red-soft) 45%,var(--card));box-shadow:var(--shadow)}
.step[aria-pressed="true"] .n{background:var(--red);border-color:var(--red);color:var(--paper)}
.readout{min-height:100%}
.big{font:640 clamp(3.6rem,11vw,7.6rem)/.95 'Fraunces',Georgia,serif;font-variation-settings:'opsz' 144;letter-spacing:-.035em;color:var(--ink);margin:0}
.big .pre{display:block;font-size:.2em;letter-spacing:.02em;font-weight:500;color:var(--muted);margin-bottom:.35em;min-height:1.2em}
.big .plus{color:var(--blue)}
.unit{font:500 1.1rem/1.35 'Source Serif 4',Georgia,serif;color:var(--ink-2);margin:.5rem 0 1.1rem}
.field-wrap{position:relative;margin:.4rem 0 1rem}
#field{display:block;width:100%;height:auto;aspect-ratio:50/35}
.legend{display:flex;flex-wrap:wrap;gap:.35rem 1.2rem;font-size:.9rem;color:var(--muted);margin:0 0 1rem;padding:0;list-style:none}
.legend li{display:flex;align-items:center;gap:.45rem}
.sw{width:.8rem;height:.8rem;border-radius:2px;display:inline-block;flex:none}
.sw.on{background:var(--red)}
.sw.var{border:2px solid var(--blue);border-radius:50%}
.sw.off{background:var(--dot-off)}
.inout{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:0}
.inout div{border-top:2px solid var(--ink);padding-top:.6rem}
.inout dt{font:650 .78rem/1.2 'Source Serif 4',Georgia,serif;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:.35rem}
.inout dd{margin:0;font-size:1rem;line-height:1.45}
.srcline{font-size:.88rem;color:var(--muted);margin-top:.9rem}
.caveat{font-size:.95rem;color:var(--ink-2);border-left:3px solid var(--ochre);padding:.1rem 0 .1rem .9rem;margin:1.1rem 0 0}
.answer{margin-top:clamp(2rem,5vw,3rem);padding:1.3rem 1.4rem;border-radius:1rem;background:var(--ink);color:var(--paper)}
.answer p{margin:0;font-size:clamp(1.1rem,2.2vw,1.3rem);line-height:1.5}
.answer strong{color:inherit}
.answer .k{display:block;font:650 .78rem/1.2 'Source Serif 4',Georgia,serif;letter-spacing:.14em;text-transform:uppercase;opacity:.85;margin-bottom:.5rem}

/* the numbers on the internet */
.axis-wrap{margin:2rem 0 1.4rem;overflow-x:auto;scrollbar-width:thin}
.axis-wrap .axis{min-width:760px}
.axis{width:100%;height:auto;display:block;font-family:'Source Serif 4',Georgia,serif}
.axis .tick{stroke:var(--rule)}
.axis .base{stroke:var(--ink);stroke-width:1.5}
.axis .tl{fill:var(--muted);font-size:13px}
.axis .pin line{stroke-width:2}
.axis .pin text{font:600 15px 'Fraunces',Georgia,serif;fill:var(--ink)}
.axis .pin.k-word line,.axis .pin.k-word circle{stroke:var(--red);fill:var(--red)}
.axis .pin.k-var line,.axis .pin.k-var circle{stroke:var(--blue);fill:var(--blue)}
.axis .pin.k-none line{stroke:var(--muted);stroke-dasharray:3 3}
.axis .pin.k-none circle{fill:var(--paper);stroke:var(--muted);stroke-width:2}
.axis .pin.dim{opacity:.25}
.claims{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(16.5rem,1fr));gap:.8rem}
.claim{background:var(--card);border:1px solid var(--rule);border-radius:.9rem;padding:1rem 1.1rem;transition:border-color .2s,transform .2s}
.claim.hl{border-color:var(--ink);transform:translateY(-2px)}
.claim .v{font:640 1.9rem/1 'Fraunces',Georgia,serif;letter-spacing:-.02em;margin:0 0 .35rem}
.claim .who{font-weight:640;margin:0 0 .35rem;font-size:1rem;line-height:1.35}
.claim p{font-size:.97rem;line-height:1.45;margin:0 0 .6rem}
.tag{display:inline-block;font:650 .72rem/1 'Source Serif 4',Georgia,serif;letter-spacing:.08em;text-transform:uppercase;padding:.35rem .5rem;border-radius:.35rem}
.tag.k-word{background:var(--red-soft);color:var(--red-ink)}
.tag.k-var{background:var(--blue-soft);color:var(--blue)}
.tag.k-none{background:var(--paper-2);color:var(--ink-2);border:1px dashed var(--muted)}
.tag.k-def{background:var(--ink);color:var(--paper)}
.claim.far{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.claim.far .v{font-size:2.2rem}
.claim.far a{color:inherit}

.related{max-width:44rem;margin:1.6rem 0 0;padding:1rem 1.2rem;border:1px solid var(--rule);border-left:4px solid var(--red);border-radius:.6rem;background:var(--card);font-size:1rem;line-height:1.5}

/* quiz */
.quiz{list-style:none;margin:2rem 0 0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(19rem,1fr));gap:1rem}
.card{background:var(--card);border:1px solid var(--rule);border-radius:1rem;padding:1.2rem 1.25rem 1.1rem;display:flex;flex-direction:column}
.card .word{font:600 1.7rem/1.1 'Fraunces',Georgia,serif;font-variation-settings:'opsz' 72;margin:0 0 .4rem;letter-spacing:-.01em}
.card .word i{font-style:normal;color:var(--muted);font-weight:400}
.card .ask{margin:0 0 .9rem;color:var(--ink-2);font-size:1rem;line-height:1.4}
.guess{display:flex;gap:.5rem;flex-wrap:wrap;margin-top:auto}
.guess button{flex:1 1 7rem;font:600 .98rem/1.2 'Source Serif 4',Georgia,serif;padding:.65rem .8rem;border-radius:.6rem;border:1px solid var(--muted);background:transparent;color:var(--ink);cursor:pointer;min-height:44px}
.guess button:hover{background:var(--paper-2)}
.guess button[aria-pressed="true"]{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.card details{margin-top:auto}
.card details summary{cursor:pointer;font-weight:600;color:var(--red-ink);min-height:44px;display:flex;align-items:center}
.card.js details summary{display:none}
.card .reveal{border-top:1px solid var(--rule);margin-top:.9rem;padding-top:.8rem;font-size:.98rem;line-height:1.5}
.card .reveal p{margin:0 0 .5rem}
.card .verdict{font:650 1rem/1.3 'Fraunces',Georgia,serif}
.card .verdict.ok{color:var(--red-ink)}
.card .reveal .src{font-size:.85rem;color:var(--muted);margin:0}
.card.js .reveal-box:not(.open){display:none}
.score{margin-top:1.4rem;font-size:1.05rem;color:var(--ink-2);min-height:1.6em}

/* DELR */
.delr{margin:2rem 0 0;display:grid;gap:1rem;max-width:52rem}
.bar{display:grid;grid-template-columns:minmax(7.5rem,11rem) 1fr;gap:1rem;align-items:center}
.bar .l{font-size:1rem;line-height:1.3}
.bar .l b{display:block;font:640 1.55rem/1.1 'Fraunces',Georgia,serif;letter-spacing:-.01em}
.bar .track{height:2.2rem;background:var(--paper-2);border-radius:.4rem;overflow:hidden}
.bar .fill{height:100%;border-radius:.4rem;transform-origin:left;transition:transform 1.1s cubic-bezier(.2,.7,.2,1)}
.bar.w .fill{background:var(--red)}
.bar.v .fill{background:repeating-linear-gradient(135deg,var(--blue) 0 6px,color-mix(in srgb,var(--blue) 70%,var(--paper)) 6px 12px)}
.bar.c .fill{background:var(--ochre)}
.delr.pre .fill{transform:scaleX(0)}

/* FAQ */
.faq{margin-top:1.6rem;max-width:44rem}
.faq details{border-top:1px solid var(--rule);padding:.2rem 0}
.faq details:last-child{border-bottom:1px solid var(--rule)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center;padding:1rem 0;font:600 1.2rem/1.3 'Fraunces',Georgia,serif}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';font:400 1.6rem/1 'Fraunces',Georgia,serif;color:var(--red);flex:none}
.faq details[open] summary::after{content:'−'}
.faq details p{margin:0 0 1rem}

/* share */
.share{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--ink);border-radius:1rem;overflow:hidden;margin:1.8rem 0 1.2rem;max-width:48rem;background:var(--card)}
.share div{padding:1.2rem 1rem;border-right:1px solid var(--ink)}
.share div:last-child{border-right:0}
.share .who{font:650 .78rem/1.2 'Source Serif 4',Georgia,serif;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.share .v{font:640 clamp(1.7rem,4.5vw,2.6rem)/1.05 'Fraunces',Georgia,serif;letter-spacing:-.02em;margin:.3rem 0}
.share .v.var{color:var(--blue)}
.share .v.word{color:var(--red)}
.share .what{font-size:.95rem;color:var(--ink-2)}
.actions{display:flex;gap:.6rem;flex-wrap:wrap;align-items:center}
.btn{font:600 1rem/1.2 'Source Serif 4',Georgia,serif;padding:.7rem 1.1rem;border-radius:.6rem;border:1px solid var(--ink);background:var(--ink);color:var(--paper);cursor:pointer;min-height:44px}
.btn.ghost{background:transparent;color:var(--ink)}
.status{font-size:.95rem;color:var(--muted)}

/* sources + footer */
.sources{font-size:1rem;line-height:1.5;padding-left:1.2rem;max-width:48rem}
.sources li{margin-bottom:.6rem}
footer{border-top:1px solid var(--rule);padding:2rem 0 3rem;font-size:.95rem;color:var(--muted)}
footer a{color:var(--ink-2)}

/* reading rail */
.rail{position:fixed;right:max(.8rem,calc((100vw - 78rem)/2));top:50%;transform:translateY(-50%);z-index:10;display:none;flex-direction:column;gap:.55rem;list-style:none;margin:0;padding:0}
.rail a{display:block;width:.55rem;height:.55rem;border-radius:50%;background:var(--dot-off);border:1px solid var(--muted);position:relative}
.rail a[aria-current="true"]{background:var(--red);border-color:var(--red)}
.rail a span{position:absolute;right:1.1rem;top:50%;transform:translateY(-50%);white-space:nowrap;font-size:.85rem;background:var(--card);color:var(--ink);padding:.2rem .5rem;border-radius:.3rem;border:1px solid var(--rule);opacity:0;pointer-events:none;transition:opacity .15s}
.rail a:hover span,.rail a:focus-visible span{opacity:1}
@media (min-width:1180px){.rail{display:flex}}

@media (max-width:820px){
  .counter{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
  .step{grid-template-columns:1fr;padding:.6rem .7rem}
  .step .n{grid-row:auto;width:1.6rem;height:1.6rem;font-size:.85rem;margin-bottom:.2rem}
  .step .s{display:none}
}
@media (max-width:560px){
  body{font-size:1.06rem}
  .inout{grid-template-columns:1fr}
  .share{grid-template-columns:1fr}
  .share div{border-right:0;border-bottom:1px solid var(--ink)}
  .share div:last-child{border-bottom:0}
  .bar{grid-template-columns:1fr;gap:.35rem}
  .topbar{gap:.7rem}
  .topbar .home{font-size:.85rem}
  .caveat{margin-bottom:.4rem}
  .big{font-size:clamp(3.2rem,16vw,4.6rem)}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}