@font-face{font-family:"Fraunces";font-style:normal;font-weight:300 900;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:300 900;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:"Fraunces";font-style:italic;font-weight:300 900;font-display:swap;src:url(fonts/fraunces-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:"Fraunces";font-style:italic;font-weight:300 900;font-display:swap;src:url(fonts/fraunces-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}
@font-face{font-family:"Atkinson";font-style:normal;font-weight:200 800;font-display:swap;src:url(fonts/AtkinsonHyperlegibleNext.woff2) format("woff2")}

:root{
  --bg:#fbf4ee;--paper:#fffaf6;--ink:#2a1720;--mute:#6a525b;--line:#e6d3cb;
  --acc:#a4204a;--acc-soft:#f6dbe2;
  --flesh:#f6cdc6;--flesh-line:#b2505e;--papilla:#fbe3df;--circ:#eaa3a6;
  --sweet:#c2185b;--salt:#3f6f9a;--sour:#b7791f;--bitter:#5c7a2b;--umami:#7a4bb0;
  --yes:#a4204a;--weak:#e79ab0;--no:#8b7b80;
  --focus:#0b5cad;
  --serif:"Fraunces",Georgia,serif;--sans:"Atkinson",system-ui,-apple-system,"Segoe UI",sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#1a1016;--paper:#241720;--ink:#f7e9ee;--mute:#c6aab5;--line:#46303b;
  --acc:#ff8fb0;--acc-soft:#4a2033;
  --flesh:#8e3f4c;--flesh-line:#f0a0ad;--papilla:#b75b69;--circ:#d77b88;
  --sweet:#ff7eab;--salt:#8fc0ec;--sour:#f0c060;--bitter:#a9d07a;--umami:#c7a0f5;
  --yes:#ff8fb0;--weak:#b46581;--no:#9d8890;
  --focus:#8cc4ff;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#1a1016;--paper:#241720;--ink:#f7e9ee;--mute:#c6aab5;--line:#46303b;
  --acc:#ff8fb0;--acc-soft:#4a2033;
  --flesh:#8e3f4c;--flesh-line:#f0a0ad;--papilla:#b75b69;--circ:#d77b88;
  --sweet:#ff7eab;--salt:#8fc0ec;--sour:#f0c060;--bitter:#a9d07a;--umami:#c7a0f5;
  --yes:#ff8fb0;--weak:#b46581;--no:#9d8890;
  --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/1.62 var(--sans)}
@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}
img{max-width:100%;height:auto}

/* 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:700;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;padding:.6rem 0}
.topnav a:hover,.topnav a[aria-current]{color:var(--ink)}
.spacer{flex:1}
.chip{color:var(--ink);text-decoration:none;border:1px solid var(--line);border-radius:99px;padding:.35rem .7rem;font-size:.8rem;min-height:36px;display:inline-flex;align-items:center}
.icon-btn{display:grid;place-items:center;width:40px;height:40px;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:560px){.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:76rem){.rail{display:flex}}
@media print{.rail,.topbar{display:none}}
.rail a{display:flex;align-items:center;justify-content:flex-end;gap:.5rem;color:var(--mute);text-decoration:none;font-size:.78rem;min-height:22px}
.rail a span{opacity:0;transition:opacity .2s}
.rail:hover a span,.rail a:focus-visible span,.rail a.on span{opacity:1}
.rail i{width:8px;height:8px;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);transform:scale(1.45)}

main{padding:0 16px}
article{max-width:1120px;margin:0 auto}
section,header.hero{scroll-margin-top:60px}
.block{max-width:720px;margin:0 auto;padding:3.4rem 0 1.6rem;border-top:1px solid var(--line)}
.block.wide{max-width:1120px}
.block.wide>p,.block.wide>h2,.block.wide>.lede,.block.wide>ul,.block.wide>ol{max-width:720px}
@media (min-width:1000px) and (min-height:700px){.screen{min-height:92vh;display:flex;flex-direction:column;justify-content:center}}
h1,h2,h3{font-family:var(--serif);font-weight:650;line-height:1.1;letter-spacing:-.01em;font-variation-settings:"SOFT" 100,"WONK" 0}
h1{font-size:clamp(2.3rem,7.4vw,4.9rem);margin:.3rem 0 1rem;max-width:16ch}
h2{font-size:clamp(1.6rem,3.8vw,2.6rem);margin:0 0 1rem}
h3{font-size:1.25em;margin:1.6rem 0 .5rem}
.kicker{font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;color:var(--acc);margin:0;font-weight:700}
.deck{font-size:1.2em;max-width:42ch;color:var(--mute);margin:0 0 1.4rem}
.lede{font-size:1.12em}
blockquote{margin:1.4rem 0;padding:.2rem 0 .2rem 1.1rem;border-left:4px solid var(--acc);font-family:var(--serif);font-size:1.18em;font-style:italic}
blockquote p{margin:0 0 .4rem}
blockquote footer{font-family:var(--sans);font-size:.72em;font-style:normal;color:var(--mute)}
.note{font-size:.9rem;color:var(--mute)}
.short{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:1rem 1.2rem;margin:1.4rem 0}
.short h2{font-size:1.15rem;margin:0 0 .4rem;font-family:var(--sans);font-weight:700}
.short ul{margin:0;padding-left:1.1rem}

/* hero */
.hero{max-width:1120px;margin:0 auto;padding:2rem 0 2.4rem;display:grid;gap:1.4rem;align-items:center}
@media (min-width:900px){.hero{grid-template-columns:1.25fr 1fr;min-height:calc(100vh - 48px)}}
.hero-tongue{max-width:340px;justify-self:center;width:100%}
.hero-tongue svg{width:100%;height:auto}
.cta{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1rem}
.btn{font:inherit;font-weight:700;font-size:1rem;min-height:48px;padding:.6rem 1.2rem;border-radius:99px;border:2px solid var(--acc);background:var(--acc);color:var(--paper);cursor:pointer;text-decoration:none;display:inline-flex;align-items:center}
.btn.ghost{background:transparent;color:var(--acc)}
.btn:hover{filter:brightness(1.08)}

/* tongue drawing */
.tongue .flesh{fill:var(--flesh);stroke:var(--flesh-line);stroke-width:2}
.tongue .sulcus{fill:none;stroke:var(--flesh-line);stroke-width:1.4;opacity:.45}
.tongue .fung{fill:var(--papilla);opacity:.9}
.tongue .circ{fill:var(--circ);stroke:var(--flesh-line);stroke-width:1.2}
.tongue .fol{fill:none;stroke:var(--flesh-line);stroke-width:1.6;opacity:.6}
.zone{opacity:.72}
.zone.dulce{fill:var(--sweet)}.zone.sarat{fill:var(--salt)}.zone.acru{fill:var(--sour)}.zone.amar{fill:var(--bitter)}
.zlab{font:700 13px var(--sans);fill:var(--ink);text-anchor:middle;paint-order:stroke;stroke:var(--paper);stroke-width:3px}
.spot{cursor:default}
.spot .ring{fill:none;stroke:var(--ink);stroke-width:2;stroke-dasharray:3 3;opacity:.75}
.spot .dot{fill:var(--paper);stroke:var(--ink);stroke-width:2}
.spot.yes .dot{fill:var(--yes);stroke:var(--yes)}
.spot.weak .dot{fill:var(--weak);stroke:var(--yes)}
.spot.no .dot{fill:var(--paper);stroke:var(--no)}
.spot.now .ring{stroke:var(--acc);stroke-width:3;stroke-dasharray:none;animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{50%{opacity:.25}}
.slab{font:700 12px var(--sans);fill:var(--ink);text-anchor:middle;paint-order:stroke;stroke:var(--flesh);stroke-width:3px}

/* test */
.lab-kit{display:grid;gap:1.4rem}
@media (min-width:900px){.lab-kit{grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);align-items:start}}
.kit{background:var(--paper);border:1px solid var(--line);border-radius:16px;padding:1rem 1.2rem}
.kit ol{padding-left:1.2rem;margin:.4rem 0}.kit li{margin:.25rem 0}
.probe{background:var(--paper);border:2px solid var(--line);border-radius:18px;padding:1rem 1.1rem}
.probe .pair{display:grid;grid-template-columns:1fr 1fr;gap:.8rem;align-items:start}
.probe .pair figure{margin:0}
.probe .pair figcaption{font-size:.82rem;color:var(--mute);text-align:center;margin-top:.2rem}
.probe svg{width:100%;height:auto;display:block}
.tabs{display:flex;flex-wrap:wrap;gap:.4rem;margin:0 0 .8rem}
.tab,.choice,.step-btn,.cnt button{font:inherit;font-size:.95rem;min-height:44px;padding:.45rem .95rem;border-radius:99px;border:2px solid var(--line);background:var(--bg);color:var(--ink);cursor:pointer}
.tab:hover,.choice:hover,.step-btn:hover{border-color:var(--mute)}
.tab[aria-selected="true"],.choice[aria-pressed="true"],.step-btn[aria-pressed="true"]{border-color:var(--acc);background:var(--acc-soft)}
.tab .sw{display:inline-block;width:.8em;height:.8em;border-radius:50%;margin-right:.35em;vertical-align:-.05em}
.ask{font-weight:700;margin:.8rem 0 .4rem;min-height:1.6em}
.choices{display:flex;flex-wrap:wrap;gap:.45rem}
.say{min-height:1.6em;margin:.8rem 0 0}
.say:empty{min-height:0;margin:0}
.say b{color:var(--acc)}
.row-actions{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.8rem}
.linkish{font:inherit;font-size:.9rem;background:none;border:0;color:var(--acc);text-decoration:underline;cursor:pointer;min-height:44px;padding:0 .2rem}
.nojs{display:none}
html:not(.js) .nojs{display:block}
html:not(.js) .needs-js{display:none}

/* class moment */
.classbox{background:var(--acc);color:var(--paper);border-radius:22px;padding:1.6rem 1.4rem;text-align:center}
.classbox h3{font-size:clamp(1.8rem,5vw,3.4rem);margin:.2rem 0 .8rem;color:var(--paper)}
.classbox p{margin:.4rem auto;max-width:44ch}
.classbox .count{font-family:var(--serif);font-size:clamp(3rem,10vw,6.5rem);font-weight:700;line-height:1;margin:.6rem 0}
.cnt{display:flex;justify-content:center;flex-wrap:wrap;gap:1.2rem;margin-top:.8rem}
.cnt div{display:flex;align-items:center;gap:.4rem}
.cnt span{min-width:8ch}
.cnt button{background:var(--paper);color:var(--acc);border-color:var(--paper);font-weight:700;min-width:48px}
.countdown{font-family:var(--serif);font-size:clamp(4rem,14vw,9rem);line-height:1;min-height:1em;margin:.3rem 0}

/* history chart */
.hist{display:grid;gap:1rem}
.steps{display:flex;flex-wrap:wrap;gap:.45rem}
.chart svg{width:100%;height:auto;display:block}
.chart .ax{stroke:var(--line);stroke-width:1}
.chart .axl{font:13px var(--sans);fill:var(--mute)}
.chart .curve{fill:none;stroke-width:3;transition:d .9s ease}
.chart .curve.dulce{stroke:var(--sweet)}.chart .curve.sarat{stroke:var(--salt)}.chart .curve.acru{stroke:var(--sour)}.chart .curve.amar{stroke:var(--bitter)}
.chart .cl{font:700 13px var(--sans)}
.cl.dulce{fill:var(--sweet)}.cl.sarat{fill:var(--salt)}.cl.acru{fill:var(--sour)}.cl.amar{fill:var(--bitter)}
.step-text{min-height:5.5em}
.phone{display:none}
@media (max-width:640px){.desk{display:none}.phone{display:block}}

.fig{margin:1.4rem 0}
.fig svg{width:100%;height:auto;display:block}
.fig figcaption,.photo figcaption{font-size:.82rem;color:var(--mute);margin-top:.4rem;line-height:1.45}
.photo{margin:1.4rem 0}
.photo img{display:block;border-radius:10px;border:1px solid var(--line);width:100%;height:auto}
.two{display:grid;gap:1.2rem}
@media (min-width:800px){.two{grid-template-columns:1fr 1fr}}
.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%;vertical-align:-2px;margin-right:.25rem;border:2px solid var(--yes)}
.legend .k.yes{background:var(--yes)}.legend .k.weak{background:var(--weak)}.legend .k.no{background:var(--paper);border-color:var(--no)}

.faq h3{font-family:var(--sans);font-size:1.05em;font-weight:700}
.srcs{font-size:.9rem;padding-left:1.1rem}.srcs li{margin:.3rem 0;overflow-wrap:anywhere}
.method{font-size:.95rem}
.rel{padding-left:1.1rem}
.foot{max-width:720px;margin:2rem auto 3rem;padding:1rem 16px;border-top:1px solid var(--line);font-size:.9rem;color:var(--mute)}
.foot a{color:var(--mute)}
.nf main{max-width:640px;margin:20vh auto;padding:0 16px}
.st[hidden],svg [hidden]{display:none}
.chart .grid{stroke-dasharray:2 4;opacity:.7}
.chart .faded{opacity:.22}
.chart .pl{font-weight:700;fill:var(--ink)}
.rp{stroke:var(--paper);stroke-width:1.5}
.rp.plain{fill:var(--ink)}
.rp.dulce{fill:var(--sweet)}.rp.sarat{fill:var(--salt)}.rp.acru{fill:var(--sour)}.rp.amar{fill:var(--bitter)}
.rpl{font:700 12px var(--sans);fill:var(--ink);paint-order:stroke;stroke:var(--bg);stroke-width:3px}
.rimfig svg{max-width:300px;margin:0 auto}
.callouts line{stroke:var(--mute);stroke-width:1}
.callouts text{font:14px var(--sans);fill:var(--ink)}
.pap svg{max-width:640px}
.classbox .kicker{color:var(--paper);opacity:.85}
.btn.ghost-on{background:var(--paper);color:var(--acc);border-color:var(--paper);font-size:1.1rem}
.big-q{font-family:var(--serif);font-size:clamp(1.3rem,3.4vw,2rem);font-weight:650;margin-top:1rem!important}
.hist .two{align-items:center}
@media (min-width:800px){.hist .two{grid-template-columns:1.6fr 1fr}}
.choice:disabled{opacity:.45;cursor:default}
.fade-a{stop-color:var(--bg);stop-opacity:1}.fade-b{stop-color:var(--bg);stop-opacity:0}