@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:200 900;font-display:swap;src:url(fonts/source-serif-4-normal-latin-ext.woff2) format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,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:200 900;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:200 900;font-display:swap;src:url(fonts/source-serif-4-italic-latin-ext.woff2) format("woff2");unicode-range:U+0100-02AF,U+0304,U+0308,U+0329,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:200 900;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{
  --bg:#f5eee3;--paper:#fbf7f0;--ink:#241a17;--mute:#5e514b;--line:#d9ccbb;
  --acc:#9a3322;--acc-soft:#f1d9cf;--teal:#1f6468;--teal-soft:#d3e8e6;
  --skin:#f2c9ae;--skin-line:#7a4a36;--mouth:#5a1f1f;--tongue:#d9646a;
  --bad:#b0302a;--ok:#1f6468;--focus:#0b5cad;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#17130f;--paper:#211b16;--ink:#f1e8dc;--mute:#bcae9f;--line:#43382f;
  --acc:#f0957c;--acc-soft:#4a2a22;--teal:#79c9c9;--teal-soft:#1f3a3b;
  --skin:#caa084;--skin-line:#f0c7a8;--mouth:#2a0e0e;--tongue:#d9727a;
  --bad:#f08a80;--ok:#79c9c9;--focus:#8cc4ff;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#17130f;--paper:#211b16;--ink:#f1e8dc;--mute:#bcae9f;--line:#43382f;
  --acc:#f0957c;--acc-soft:#4a2a22;--teal:#79c9c9;--teal-soft:#1f3a3b;
  --skin:#caa084;--skin-line:#f0c7a8;--mouth:#2a0e0e;--tongue:#d9727a;
  --bad:#f08a80;--ok:#79c9c9;--focus:#8cc4ff;color-scheme:dark}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.125rem/1.6 "Source Serif 4",Georgia,serif;font-feature-settings:"onum" 0,"lnum" 1}
@media (min-width:1200px){body{font-size:1.25rem}}
a{color:var(--acc);text-underline-offset:.15em}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px;top:0;background:var(--paper);padding:.5rem 1rem;z-index:30}
.skip:focus{left:8px;top:8px}

/* top bar */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:.8rem;height:48px;padding:0 16px;background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);font-size:.9rem;white-space:nowrap}
.topbar .home{color:var(--ink);font-weight:650;text-decoration:none}
.topnav{display:flex;gap:1rem;overflow-x:auto;scrollbar-width:none;min-width:0}
.topnav::-webkit-scrollbar{display:none}
.topnav a{color:var(--mute);text-decoration:none}
.topnav a:hover{color:var(--ink)}
.spacer{flex:1}
.chip{color:var(--ink);text-decoration:none;border:1px solid var(--line);border-radius:99px;padding:.15rem .6rem;font-size:.8rem}
.icon-btn{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer}
.icon-btn svg{display:block}.icon-btn svg[hidden]{display:none}
@media (max-width:520px){.topnav{display:none}}

/* rail */
.rail{position:fixed;right:14px;top:50%;transform:translateY(-50%);display:none;flex-direction:column;gap:.35rem;z-index:10}
@media (min-width:1280px){.rail{display:flex}}
.rail a{display:flex;align-items:center;justify-content:flex-end;gap:.5rem;color:var(--mute);text-decoration:none;font-size:.78rem}
.rail a span{opacity:0;transition:opacity .2s}
.rail:hover a span,.rail a.on span{opacity:1}
.rail i{width:9px;height:9px;border-radius:50%;border:1.5px solid var(--mute)}
.rail a.on{color:var(--ink)}.rail a.on i{background:var(--acc);border-color:var(--acc)}

main{padding:0 16px}
article{max-width:1080px;margin:0 auto}
section,header.hero{scroll-margin-top:60px}
.block{max-width:720px;margin:0 auto;padding:3.2rem 0 1.4rem;border-top:1px solid var(--line)}
.block.screen{max-width:1080px}
.block.screen>p,.block.screen>h2,.block.screen>.lede{max-width:720px}
@media (min-width:1000px) and (min-height:700px){.block.screen{min-height:92vh;display:flex;flex-direction:column;justify-content:center}}
h1,h2,h3{font-weight:650;line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,7vw,4.4rem);margin:.2rem 0 1rem;max-width:15ch}
h2{font-size:clamp(1.55rem,3.6vw,2.4rem);margin:0 0 1rem}
h2 .anchor{color:inherit;text-decoration:none}
h2 .anchor:hover::after{content:" #";color:var(--mute)}
.lede{font-size:1.15em;color:var(--ink)}
.kicker{font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:var(--acc);margin:0;font-weight:600}
.deck{font-size:1.2em;max-width:40ch;color:var(--mute);margin:0 0 1.6rem}
blockquote{margin:1.6rem 0;padding:0 0 0 1.1rem;border-left:4px solid var(--acc);font-size:1.25em;font-style:italic}
blockquote p{margin:0 0 .4rem}
blockquote footer{font-size:.72em;font-style:normal;color:var(--mute)}
.class-cue{background:var(--teal-soft);padding:.9rem 1.1rem;border-radius:10px}
.class-cue b{color:var(--teal)}

.hero{max-width:1080px;margin:0 auto;padding:2.2rem 0 2.6rem}
.test{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:1.2rem}
.ask{font-weight:600;margin:0 0 .8rem}
.ears{display:grid;grid-template-columns:repeat(4,1fr);gap:.6rem}
.ear-btn{background:var(--bg);border:2px solid var(--line);border-radius:14px;padding:.5rem .3rem .4rem;cursor:pointer;color:var(--ink);font:inherit;font-size:.85rem;display:flex;flex-direction:column;align-items:center;gap:.2rem;min-height:44px}
.ear-btn:hover{border-color:var(--mute)}
.ear-btn[aria-checked="true"]{border-color:var(--acc);background:var(--acc-soft)}
.ear{width:100%;max-width:130px;height:auto}
.ear .face{fill:var(--skin);opacity:.3}
.ear .cheek{fill:none;stroke:var(--skin-line);stroke-width:1;opacity:.25;stroke-dasharray:3 4}
.ear .skin{fill:var(--skin);stroke:var(--skin-line);stroke-width:2.4;stroke-linejoin:round}
.ear .fold{fill:none;stroke:var(--skin-line);stroke-width:1.8;stroke-linecap:round;opacity:.75}
.ear .hole{fill:var(--skin-line);opacity:.55}
.answer{min-height:1.6em;margin:.9rem 0 0;font-size:1.02em}
.answer:empty{min-height:0;margin:0}
.answer b{color:var(--acc)}

.split{display:grid;gap:2rem}
@media (min-width:900px){.split{grid-template-columns:1fr 1fr;align-items:start}}
.choices{display:flex;flex-wrap:wrap;gap:.5rem;margin:.6rem 0}
.choice,.tab,.seg-btn,.add,.rm{font:inherit;font-size:.95rem;min-height:44px;padding:.45rem 1rem;border-radius:99px;border:2px solid var(--line);background:var(--paper);color:var(--ink);cursor:pointer}
.choice:hover,.tab:hover,.seg-btn:hover{border-color:var(--mute)}
.choice[aria-pressed="true"],.tab[aria-selected="true"],.seg-btn[aria-pressed="true"]{border-color:var(--acc);background:var(--acc-soft)}

.fig{margin:1.4rem 0}
.fig svg{width:100%;height:auto;display:block}
.fig.small svg{max-width:360px}
.fig figcaption,.photo figcaption{font-size:.82rem;color:var(--mute);margin-top:.4rem;line-height:1.45}
.fig .lab{font-size:13px;fill:var(--mute);font-family:inherit}
.lip{fill:var(--skin);stroke:var(--skin-line);stroke-width:2}
.mouth{fill:var(--mouth)}
.tongue{fill:var(--tongue);stroke:var(--mouth);stroke-width:1.5}
.groove{fill:none;stroke:var(--mouth);stroke-width:1.6;opacity:.6}
.fa{fill:var(--skin);stroke:var(--skin-line);stroke-width:2}
.fb{fill:color-mix(in srgb,var(--skin) 70%,var(--bg));stroke:var(--skin-line);stroke-width:2}
.thumb.top{fill:var(--acc-soft);stroke:var(--acc);stroke-width:2.4}

.tw{stroke:var(--teal);stroke-width:2.4}
.tw.on{fill:var(--teal)}.tw.off{fill:var(--bg)}
.pairbox{fill:none;stroke:var(--acc);stroke-width:2.4;stroke-dasharray:4 3}
.legend{font-size:.85rem;color:var(--mute);display:flex;flex-wrap:wrap;gap:.3rem 1rem;align-items:center;margin:.5rem 0 0}
.legend .k{display:inline-block;width:14px;height:14px;border-radius:50%;border:2px solid var(--teal);vertical-align:-2px;margin-right:.2rem}
.legend .k.on{background:var(--teal)}.legend .k.split{border-radius:4px;border:2px dashed var(--acc);width:22px}

.seg.ok{fill:var(--teal)}.seg.bad{fill:var(--bad)}
.seglab{font-size:15px;fill:#fff;font-weight:600;font-family:inherit}
.seglab.out{fill:var(--bad)}
:root[data-theme="dark"] .seglab:not(.out){fill:#10100f}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .seglab:not(.out){fill:#10100f}}
.rowlab{font-size:16px;fill:var(--ink);font-weight:650;font-family:inherit}
.ax{font-size:13px;fill:var(--mute);font-family:inherit}
.track{fill:var(--line);opacity:.5}
.bar{fill:var(--teal)}.bar.sub{fill:color-mix(in srgb,var(--teal) 55%,var(--bg))}
.val{font-size:14px;fill:var(--ink);font-family:inherit}

.photos{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;margin:0 0 .6rem}
.photo{margin:0}
.photo img{width:100%;height:auto;display:block;border-radius:10px;aspect-ratio:4/3;object-fit:cover}
.portrait{float:right;width:34%;max-width:190px;margin:.3rem 0 .6rem 1rem}
.portrait img{aspect-ratio:auto}

/* pedigree */
.ped{background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:1.2rem;margin-top:1rem}
.tabs{display:flex;flex-wrap:wrap;gap:.5rem}
.rule{color:var(--mute);font-size:.95rem;margin:.7rem 0}
.ped-grid{display:grid;gap:1rem}
@media (min-width:900px){.ped-grid{grid-template-columns:1.1fr 1fr;align-items:start}}
.tree{width:100%;height:auto;max-height:340px}
.tree .ln{stroke:var(--mute);stroke-width:2;fill:none}
.tree .sym{stroke:var(--ink);stroke-width:2.4;fill:var(--bg)}
.tree .sym.D{fill:var(--ink)}
.tree .sym.m{fill:url(#half)}
.tree .sym.u{stroke-dasharray:5 4}
.tree .sym.clash{stroke:var(--bad);stroke-width:3.4}
.tree text{font-size:14px;fill:var(--ink);font-family:inherit}
.tree .st{font-size:12px;fill:var(--mute)}
.person{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem;padding:.5rem 0;border-bottom:1px solid var(--line)}
.person .who{min-width:7.5rem;font-weight:600}
.seg-btn{padding:.3rem .8rem;font-size:.9rem}
.add,.rm{font-size:.88rem;padding:.3rem .9rem}
.add{margin-top:.6rem}
.rm{border-style:dashed;margin-left:auto}
.verdict{font-size:1.08em;background:var(--bg);border-left:4px solid var(--teal);padding:.8rem 1rem;border-radius:0 10px 10px 0;margin:1rem 0 .4rem}
.verdict.clash{border-left-color:var(--bad)}
.note{font-size:.82rem;color:var(--mute);margin:.2rem 0 0}
.nojs{display:none}
html:not(.js) .nojs{display:block}
html:not(.js) .tabs,html:not(.js) .ped-grid,html:not(.js) .verdict,html:not(.js) .choices,html:not(.js) .note{display:none}

.steps{padding-left:1.3rem}.steps li{margin:.5rem 0}
.method{font-size:.95rem;color:var(--mute)}
.srcs{font-size:.85rem;color:var(--mute);padding-left:1.1rem}
.srcs li{margin:.3rem 0;overflow-wrap:anywhere}
.rel-h{font-size:1.1rem;margin-top:2rem}
.rel{padding-left:1.1rem}
.foot{max-width:720px;margin:3rem auto 0;padding:1.5rem 16px 3rem;border-top:1px solid var(--line);font-size:.85rem;color:var(--mute)}
.foot a{color:var(--mute)}
.nf main{max-width:600px;margin:20vh auto;padding:0 16px}

@media (max-width:520px){
  h1{font-size:2.15rem}
  .deck{font-size:1.02em;margin-bottom:1.1rem}
  .hero{padding-top:1.2rem}
  .test{padding:.9rem}
  .ears{grid-template-columns:repeat(2,1fr)}
  .ear{max-width:100px}
  .person .who{min-width:100%}
  .portrait{width:40%}
  .block{padding-top:2.4rem}
}
@media (pointer:coarse){.choice,.tab,.seg-btn,.ear-btn,.add,.rm{min-height:44px}}
@media print{.topbar,.rail,.choices,.ped .tabs{display:none}}

.fig svg.phone{display:none}
@media (max-width:600px){.fig svg.desk{display:none}.fig svg.phone{display:block}}
.verdict-box{font-size:1.12em;background:var(--acc-soft);border-left:5px solid var(--acc);padding:1rem 1.2rem;border-radius:0 12px 12px 0}
.verdict-box b{color:var(--acc)}