@font-face{font-family:"Newsreader";font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/newsreader-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Newsreader";font-style:normal;font-weight:400 700;font-display:swap;src:url(fonts/newsreader-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:"Newsreader";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/newsreader-italic-400-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+2000-206F}
@font-face{font-family:"Newsreader";font-style:italic;font-weight:400;font-display:swap;src:url(fonts/newsreader-italic-400-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+1E00-1E9F}
@font-face{font-family:"Atkinson";font-style:normal;font-weight:200 800;font-display:swap;src:url(fonts/AtkinsonHyperlegibleNext.woff2) format("woff2")}

:root{
  --bg:#f4efe6;--bg2:#ebe3d4;--card:#fbf8f2;--ink:#1d1916;--ink2:#3e3730;--muted:#5d554c;
  --line:#d3c8b6;--line-soft:#e1d8c9;--accent:#b43d14;--accent-ink:#fff;--you:#1f4f7a;
  --sky:#eef1f4;--crust:#8a6a4c;--um:#b5552f;--lm:#9c3a22;--oc:#e08a2c;--ic:#f3c75a;--moho:#3a2a1c;
  --sea:#dfe7ee;--land:#efe7d7;--border:#b9ab94;--grat:#00000014;--rhumb:#6b6258;
  --serif:"Newsreader",Georgia,"Times New Roman",serif;--sans:"Atkinson",system-ui,-apple-system,sans-serif;
  --bar:3rem;color-scheme:light
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#10131a;--bg2:#171b24;--card:#181d27;--ink:#ece6dc;--ink2:#cfc7ba;--muted:#a59d90;
  --line:#2d3340;--line-soft:#232935;--accent:#ff8a5b;--accent-ink:#1d0d05;--you:#8cc2f0;
  --sky:#0c1017;--crust:#6f533a;--um:#8e3d22;--lm:#6d2716;--oc:#c06a1c;--ic:#e9b443;--moho:#e8d3b8;
  --sea:#141c27;--land:#252b35;--border:#3b4352;--grat:#ffffff12;--rhumb:#9a9286;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#10131a;--bg2:#171b24;--card:#181d27;--ink:#ece6dc;--ink2:#cfc7ba;--muted:#a59d90;
  --line:#2d3340;--line-soft:#232935;--accent:#ff8a5b;--accent-ink:#1d0d05;--you:#8cc2f0;
  --sky:#0c1017;--crust:#6f533a;--um:#8e3d22;--lm:#6d2716;--oc:#c06a1c;--ic:#e9b443;--moho:#e8d3b8;
  --sea:#141c27;--land:#252b35;--border:#3b4352;--grat:#ffffff12;--rhumb:#9a9286;color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.08rem/1.62 var(--serif);text-rendering:optimizeLegibility}
body.ptr-open{overflow:hidden}
a{color:var(--accent);text-underline-offset:.15em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px;top:0;background:var(--card);padding:.5rem 1rem;z-index:60}
.skip:focus{left:8px;top:8px}
section{scroll-margin-top:calc(var(--bar) + 8px)}
h1,h2,h3{font-family:var(--serif);line-height:1.15;margin:0;text-wrap:balance}
button,select,input{font:inherit}
.n,.num{font-variant-numeric:tabular-nums lining-nums}

/* top bar */
.topbar{position:sticky;top:0;z-index:40;height:var(--bar);display:flex;align-items:center;gap:.7rem;padding:0 max(16px,env(safe-area-inset-left));
  background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--line-soft);font:500 .9rem/1 var(--sans)}
.home{display:inline-flex;align-items:center;gap:.4rem;color:var(--ink);text-decoration:none;white-space:nowrap;font-weight:700}
.home-ico{color:var(--accent)}
.topnav{display:flex;gap:.9rem;overflow-x:auto;scrollbar-width:none;min-width:0;flex:0 1 auto}
.topnav::-webkit-scrollbar{display:none}
.topnav a{color:var(--ink2);text-decoration:none;white-space:nowrap;padding:.9rem .1rem}
.topnav a:hover{color:var(--accent)}
.spacer{flex:1}
.chip{display:inline-flex;align-items:center;min-height:32px;padding:0 .7rem;border:1px solid var(--line);border-radius:999px;color:var(--ink);text-decoration:none;font-weight:600}
.icon-btn{width:34px;height:34px;display:inline-grid;place-items:center;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink);cursor:pointer;flex:none}
.icon-btn svg{display:block}.icon-btn svg[hidden]{display:none}
.progress{position:absolute;left:0;right:0;bottom:-1px;height:2px;pointer-events:none}
.progress span{display:block;height:100%;width:100%;transform-origin:left;transform:scaleX(0);background:var(--accent)}
@media (max-width:760px){.topnav{display:none}}
@media (pointer:coarse){.chip,.icon-btn{min-height:44px;min-width:44px}.icon-btn{width:44px;height:44px}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:46px;padding:0 1.1rem;border:1px solid var(--accent);border-radius:999px;background:var(--accent);color:var(--accent-ink);font:700 1rem/1 var(--sans);cursor:pointer}
.btn.ghost{background:transparent;color:var(--accent)}
.btn.small{min-height:40px;padding:0 .85rem;font-size:.9rem}
.btn:hover{filter:brightness(1.08)}
.seg{display:flex;flex-wrap:wrap;gap:.4rem}
.seg button,.try{min-height:38px;padding:0 .8rem;border:1px solid var(--line);border-radius:999px;background:transparent;color:var(--ink);font:600 .86rem/1.1 var(--sans);cursor:pointer}
.seg button[aria-pressed="true"]{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 16%,transparent)}
.try:hover,.seg button:hover{border-color:var(--accent)}
@media (pointer:coarse){.seg button,.try,.btn.small{min-height:44px}}
.lab{font:700 .76rem/1.2 var(--sans);letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.note{font:400 .88rem/1.45 var(--sans);color:var(--muted)}
.status{font:500 .86rem/1.35 var(--sans);color:var(--ink2);min-height:0;margin:.25rem 0 0}
.status:empty{display:none}

/* hero */
.hero{max-width:72rem;margin:0 auto;padding:1.5rem 16px 0;display:grid;gap:1rem 2.6rem;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);grid-template-areas:"head slice" "pick slice" "ans slice";align-items:start}
.head{grid-area:head}
.kicker{font:700 .78rem/1.2 var(--sans);letter-spacing:.09em;text-transform:uppercase;color:var(--accent);margin:0 0 .5rem}
.hero h1{font-size:clamp(1.65rem,4.6vw,2.55rem);letter-spacing:-.01em}
.deck{font-size:1.12rem;color:var(--ink2);margin:.8rem 0 0}
.pick{grid-area:pick;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:.7rem .9rem;align-items:start}
.lrow{display:flex;align-items:baseline;justify-content:space-between;gap:.5rem;margin-bottom:.3rem;min-height:1.5rem}
.lrow label{margin:0!important}
.linkbtn{display:inline-flex;align-items:center;gap:.3rem;border:0;background:none;padding:.2rem 0;color:var(--accent);font:600 .84rem/1.2 var(--sans);cursor:pointer;white-space:nowrap}
.linkbtn:hover{text-decoration:underline}
@media (pointer:coarse){.linkbtn{min-height:44px}}
.field{min-width:0}
.field label{display:block;font:700 .76rem/1.2 var(--sans);letter-spacing:.05em;text-transform:uppercase;color:var(--muted);margin-bottom:.3rem}
.cb{position:relative}
.cb input{width:100%;min-height:48px;padding:0 .8rem;border:1.5px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);font:600 1rem/1.2 var(--sans)}
.cb input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 25%,transparent)}
.opts{position:absolute;z-index:30;left:0;right:0;top:calc(100% + 4px);margin:0;padding:.3rem;list-style:none;background:var(--card);border:1px solid var(--line);border-radius:10px;box-shadow:0 10px 30px #0003;max-height:19rem;overflow:auto}
.opt{padding:.6rem .7rem;border-radius:7px;cursor:pointer;font:500 .95rem/1.3 var(--sans)}
.opt[aria-selected="true"],.opt:hover{background:color-mix(in srgb,var(--accent) 14%,transparent)}
.chips{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:.4rem;align-items:center}
.chips .lab{margin-right:.2rem}
.answer{grid-area:ans;border:1px solid var(--line);border-radius:14px;background:var(--card);padding:1rem 1.1rem .9rem}
.ans-dir{font:500 1.12rem/1.4 var(--serif);margin:0;color:var(--ink2)}
.ans-dir b{color:var(--ink);font-weight:700}
.ans-dip{font:700 clamp(1.7rem,4.6vw,2.35rem)/1.1 var(--serif);margin:.15rem 0 .5rem;color:var(--accent)}
.ans-sub{font:400 1.05rem/1.5 var(--serif);margin:.3rem 0;color:var(--ink)}
.ans-map{margin:.4rem 0 .6rem}
.answer .btn{margin:.4rem 0 .3rem}
.desk{display:flex;gap:.9rem;align-items:center;margin-top:.5rem}
.desk .note{margin:0}
.qr{flex:none;width:104px;height:104px;background:#fff;border-radius:8px;padding:4px}
.qr svg{display:block;width:100%;height:100%}
.qr:empty{display:none}
.answer[data-same="true"] .ans-dir{color:var(--ink)}
.slice{grid-area:slice;margin:0;position:sticky;top:calc(var(--bar) + 12px)}
#xsec{border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--sky)}
.xsec{display:block;width:100%;height:auto;aspect-ratio:1/0.82}
.slice figcaption{font:400 .86rem/1.45 var(--sans);color:var(--muted);margin-top:.45rem}
.slice-bar{display:flex;gap:.6rem;align-items:center;margin-top:.55rem}
@media (max-width:900px){
  .hero{grid-template-columns:minmax(0,1fr);grid-template-areas:"head" "pick" "ans" "slice";gap:1rem;padding-top:1.1rem}
  .slice{position:static}
  .deck{font-size:1.03rem}
}
@media (max-width:560px){
  .pick{grid-template-columns:minmax(0,1fr)}
  .xsec{aspect-ratio:1/0.9}
}

/* the slice drawing */
.x-sky{fill:var(--sky)}
.x-crust{fill:var(--crust)}.x-um{fill:var(--um)}.x-lm{fill:var(--lm)}.x-oc{fill:var(--oc)}.x-ic{fill:var(--ic)}
.x-moho{stroke:var(--moho);opacity:.55}
.x-arc{stroke:var(--you);opacity:.9}
.x-hz{stroke:var(--ink2)}
.x-chord{stroke:#fff}
:root:not([data-theme="dark"]) .x-chord{stroke:#fffdf8}
.x-chord{filter:drop-shadow(0 0 1px #0008)}
.x-depth{stroke:#fff;opacity:.85;stroke-dasharray:4 3}
.x-angle{stroke:var(--accent)}
.x-you{fill:var(--you);stroke:#fff}.x-there{fill:#fff;stroke:var(--accent)}
.x-lab{fill:var(--ink);font-family:var(--sans);font-weight:700}
.x-num{fill:var(--accent);font-family:var(--sans);font-weight:800}
.x-layer{fill:#fff;font-family:var(--sans);font-weight:700}
.x-layer-h{fill:none;stroke:#2a120a;stroke-linejoin:round;font-family:var(--sans);font-weight:700;opacity:.75}
.legend{display:flex;flex-wrap:wrap;gap:.35rem .9rem;margin:.55rem 0 0;padding:0;list-style:none;font:500 .86rem/1.3 var(--sans);color:var(--ink2)}
.legend li{display:inline-flex;align-items:center;gap:.4rem}
.legend i{width:.9rem;height:.9rem;border-radius:3px;display:inline-block;border:1px solid #0002}
.x-num-in{fill:#fff;font-family:var(--sans);font-weight:800}
.x-halo-in{fill:none;stroke:#3a1a0c;stroke-linejoin:round;font-family:var(--sans);font-weight:800;opacity:.7}
.x-halo{fill:none;stroke:var(--sky);stroke-linejoin:round;font-family:var(--sans);font-weight:800;opacity:.9}

/* sections */
main{display:block}
.s{max-width:46rem;margin:0 auto;padding:3.6rem 16px 0}
.s.wide{max-width:64rem}
.s.wide>p,.s.wide>h3,.s.wide>h2{max-width:46rem;margin-left:auto;margin-right:auto}
.s h2{font-size:clamp(1.5rem,4.2vw,2.05rem);margin-bottom:1rem}
.s h2 .anchor{color:inherit;text-decoration:none}
.s h2 .anchor:hover{text-decoration:underline}
.s h3{font-size:1.2rem;margin:1.6rem 0 .5rem}
.s p{margin:.85rem 0}
.two{display:grid;gap:.9rem;grid-template-columns:1fr 1fr;margin:1.3rem 0}
.two>div{border:1px solid var(--line);border-radius:12px;padding:.2rem 1rem .5rem;background:var(--card);font:400 1.02rem/1.5 var(--serif)}
.two h3{margin:.8rem 0 .3rem;font-size:1.05rem}
@media (max-width:640px){.two{grid-template-columns:1fr}}
.maps{display:grid;grid-template-columns:1.25fr 1fr;gap:1rem;margin:1.4rem 0}
.maps figure{margin:0}
.maps canvas{display:block;width:100%;border:1px solid var(--line);border-radius:12px;background:var(--sea)}
.maps figcaption{font:400 .86rem/1.4 var(--sans);color:var(--muted);margin-top:.4rem}
@media (max-width:700px){.maps{grid-template-columns:1fr}}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;margin:1.2rem 0}
table{border-collapse:collapse;width:100%;font:400 .94rem/1.4 var(--sans)}
td.n{font-family:var(--serif);font-size:1rem}
.ans-sub,.ptr-live,.ptr-t{font-variant-numeric:lining-nums}
caption{caption-side:top;text-align:left;padding:.6rem .8rem;font:600 .9rem/1.35 var(--sans);color:var(--ink2);background:var(--bg2)}
th,td{padding:.5rem .7rem;text-align:left;border-bottom:1px solid var(--line-soft);vertical-align:top}
th{font-weight:700;background:var(--bg2)}
td.n,th.n{text-align:right;white-space:nowrap}
tr:last-child td{border-bottom:0}
.skyfig{margin:1.2rem auto;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:1.4rem;align-items:center}
#sky svg{display:block;width:100%;height:auto}
.sky-line{font:600 1.12rem/1.5 var(--serif);color:var(--ink);margin:0 0 .7rem}
@media (max-width:760px){.skyfig{grid-template-columns:1fr}}
.k-disc{fill:color-mix(in srgb,var(--um) 12%,var(--card));stroke:var(--line)}
.k-ring{fill:none;stroke:var(--line);stroke-width:1}
.k-rl{fill:var(--muted);font:500 13px var(--sans)}
.k-card{fill:var(--ink2);font:700 15px var(--sans)}
.k-dot{fill:color-mix(in srgb,var(--accent) 55%,transparent);stroke:var(--accent);stroke-width:1.2}
.k-lab{fill:var(--ink);font:700 14px var(--sans);paint-order:stroke;stroke:var(--card);stroke-width:3.5px;stroke-linejoin:round}
.k-mark circle{fill:none;stroke:var(--you);stroke-width:2.6}.k-mark line{stroke:var(--you);stroke-width:2.6}
.k-nadir{fill:var(--ink2)}
.k-lead{stroke:var(--muted);stroke-width:1;fill:none;opacity:.8}
.src{font:400 .93rem/1.5 var(--sans);padding-left:1.1rem}
.src li{margin:.4rem 0}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem;max-width:46rem;margin:3rem auto 0;padding:0 16px}
.share-label{font:500 .9rem/1 var(--sans);color:var(--muted);margin-right:.3rem}
.sh{width:40px;height:40px;display:inline-grid;place-items:center;border:1px solid var(--line-soft);border-radius:999px;background:transparent;color:var(--ink);cursor:pointer;text-decoration:none}
.sh:hover,.sh:focus-visible{color:var(--accent);border-color:var(--accent)}
@media (pointer:coarse){.sh{width:44px;height:44px}}
.copied{flex-basis:100%;font:500 .86rem/1.3 var(--sans);color:var(--ink2);min-height:1.2em;margin:0}
.foot{max-width:46rem;margin:3rem auto 0;padding:1.4rem 16px 3rem;border-top:1px solid var(--line-soft);font:400 .9rem/1.5 var(--sans);color:var(--muted)}
.foot p{margin:.3rem 0}
.nf{display:grid;place-items:center;min-height:100vh;text-align:center;padding:1rem}

/* the phone as a pointer */
.ptr{position:fixed;inset:0;z-index:80;background:#07090d;color:#f3ede4;display:flex;flex-direction:column;align-items:center;justify-content:space-between;padding:max(18px,env(safe-area-inset-top)) 18px max(18px,env(safe-area-inset-bottom));font-family:var(--sans);text-align:center}
.ptr-top{max-width:30rem}
.ptr-k{font:500 1rem/1.3 var(--sans);margin:.4rem 0 .2rem;color:#cfc7ba}
.ptr-k b{display:block;font:700 1.7rem/1.15 var(--serif);color:#fff}
.ptr-t{font:500 1rem/1.35 var(--serif);color:#ff9d75;margin:.3rem 0 0}
.ptr-scope{position:relative;width:min(78vw,52vh);aspect-ratio:1;border-radius:50%}
.ptr-ring{position:absolute;inset:0;border-radius:50%;border:2px solid #ffffff33;background:radial-gradient(circle,#ffffff08 0,#ffffff00 70%)}
.ptr-cross{position:absolute;left:50%;top:50%;width:26%;aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;border:2px dashed #ffffff66}
.ptr-dot{position:absolute;left:50%;top:50%;width:13%;aspect-ratio:1;border-radius:50%;background:#ff8a5b;box-shadow:0 0 0 6px #ff8a5b33;transform:translate(-50%,-50%);transition:background .2s}
.ptr-arrow{position:absolute;left:50%;top:50%;width:0;height:0;border-left:18px solid #ff8a5b;border-top:12px solid transparent;border-bottom:12px solid transparent}
.ptr-scope[data-lock="true"] .ptr-ring{border-color:#7ee0a8;box-shadow:0 0 40px #7ee0a855 inset}
.ptr-scope[data-lock="true"] .ptr-dot{background:#7ee0a8;box-shadow:0 0 0 10px #7ee0a844}
.ptr-scope[data-lock="true"] .ptr-cross{border-color:#7ee0a8;border-style:solid}
.ptr-note{font:500 .95rem/1.35 var(--serif);color:#f3ede4;margin:.5rem auto 0;max-width:24rem}
.ptr-note:empty{display:none}
.ptr-msg{font:700 1.35rem/1.3 var(--serif);min-height:3.4em;margin:.6rem 0 0;max-width:26rem}
.ptr-live{font:500 .98rem/1.35 var(--serif);color:#bdb5a8;margin:.2rem 0;min-height:1.2em}
.ptr .btn.ghost{color:#ff9d75;border-color:#ff9d75;margin-top:.4rem}
@media (prefers-reduced-motion:reduce){.ptr-dot{transition:none}}