@font-face{font-family:"Source Serif 4";src:url(fonts/source-serif-4-normal-latin.woff2) format("woff2");font-weight:200 900;font-style:normal;font-display:swap;unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215}
@font-face{font-family:"Source Serif 4";src:url(fonts/source-serif-4-normal-latin-ext.woff2) format("woff2");font-weight:200 900;font-style:normal;font-display:swap;unicode-range:U+0100-024F,U+0259,U+1E00-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Source Serif 4";src:url(fonts/source-serif-4-italic-latin.woff2) format("woff2");font-weight:200 900;font-style:italic;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F}
@font-face{font-family:"Source Serif 4";src:url(fonts/source-serif-4-italic-latin-ext.woff2) format("woff2");font-weight:200 900;font-style:italic;font-display:swap;unicode-range:U+0100-024F,U+1E00-1EFF}
@font-face{font-family:"IBM Plex Sans";src:url(fonts/IBMPlexSans-latin.woff2) format("woff2");font-weight:100 700;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F,U+2212}
@font-face{font-family:"IBM Plex Sans";src:url(fonts/IBMPlexSans-latin-ext.woff2) format("woff2");font-weight:100 700;font-display:swap;unicode-range:U+0100-024F,U+1E00-1EFF}

:root{
  --bg:#f3efe6;--surface:#fbf8f2;--card:rgba(251,248,242,.95);--card-solid:#fbf8f2;--text:#1b1714;--muted:#4b433b;--rule:#d8cfbf;--accent:#8c1d55;--accent-ink:#7e1a4c;--focus:#0b57b0;
  --stage-bg:#07080c;--land:#121722;--land-edge:#2d3646;--land-dot:#8e98aa;--zone:#9aa6ba;--zone-fill:rgba(154,166,186,.06);--plume:#ff6f9c;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;--sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --s-ink:#eef0f4;--s-muted:#aeb6c4;--s-rule:#2a303c;--s-accent:#ffa9c8;--s-card:#131720;
  --top:52px;color-scheme:light
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0b0d12;--surface:#131720;--card:rgba(19,23,32,.94);--card-solid:#131720;--text:#eef0f4;--muted:#b8bfcb;--rule:#2a303c;--accent:#ff8fb8;--accent-ink:#ffb3cd;--focus:#8ab8ff;
  --stage-bg:#07080c;--land:#121722;--land-edge:#2d3646;--land-dot:#8e98aa;--zone:#9aa6ba;--zone-fill:rgba(154,166,186,.06);--plume:#ff6f9c;color-scheme:dark}}
:root[data-theme="dark"]{--bg:#0b0d12;--surface:#131720;--card:rgba(19,23,32,.94);--card-solid:#131720;--text:#eef0f4;--muted:#b8bfcb;--rule:#2a303c;--accent:#ff8fb8;--accent-ink:#ffb3cd;--focus:#8ab8ff;
  --stage-bg:#07080c;--land:#121722;--land-edge:#2d3646;--land-dot:#8e98aa;--zone:#9aa6ba;--zone-fill:rgba(154,166,186,.06);--plume:#ff6f9c;color-scheme:dark}

*{box-sizing:border-box}
[hidden]{display:none!important}
svg[hidden]{display:none}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--top) + 12px)}
body{margin:0;background:var(--bg);color:var(--text);font:400 18px/1.62 var(--serif);text-rendering:optimizeLegibility}
a{color:var(--accent-ink);text-underline-offset:2px}
:focus-visible{outline:2px solid var(--focus);outline-offset:2px}
strong{font-weight:650}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--surface);color:var(--text);padding:8px 12px;z-index:50}.skip-link:focus{left:8px}

.topbar{position:sticky;top:0;z-index:30;height:var(--top);display:flex;align-items:center;gap:10px;padding:0 14px;padding-left:max(14px,env(safe-area-inset-left));padding-right:max(14px,env(safe-area-inset-right));background:var(--bg);border-bottom:1px solid var(--rule);font:500 14px/1 var(--sans)}
.brand{display:flex;align-items:center;gap:8px;color:var(--text);text-decoration:none;font-weight:600;white-space:nowrap}
.brand-mark{width:14px;height:14px;border-radius:50%;background:radial-gradient(circle at 40% 45%,#fff1c9 0 18%,#ff9a4a 34%,#e8407a 58%,#5b2a86 82%,transparent 84%)}
.topnav{display:flex;gap:14px;margin-left:12px}.topnav a{color:var(--muted);text-decoration:none}.topnav a[aria-current="true"]{color:var(--text)}
.spacer{flex:1}
.chip{color:var(--muted);text-decoration:none;padding:6px 7px;border-radius:6px}.chip[aria-current="page"]{color:var(--text);background:var(--surface)}
.icon-btn{border:1px solid var(--rule);background:transparent;color:var(--text);border-radius:8px;width:34px;height:34px;display:grid;place-items:center;cursor:pointer}
:root[data-theme="dark"] .i-moon,:root:not([data-theme]) .i-moon{display:none}
:root[data-theme="light"] .i-sun{display:none}
@media (prefers-color-scheme:light){:root:not([data-theme]) .i-moon{display:inline}:root:not([data-theme]) .i-sun{display:none}}
@media (max-width:760px){.topnav{display:none}}

.rail{position:fixed;right:6px;top:50%;transform:translateY(-50%);z-index:20;display:flex;flex-direction:column;gap:2px;opacity:0;pointer-events:none;transition:opacity .3s}
.rail.on{opacity:1;pointer-events:auto}
.rail-dot{position:relative;display:flex;align-items:center;justify-content:flex-end;text-decoration:none;color:var(--muted);font:500 12px/1 var(--sans);padding:3px 2px}
.rail-label{position:absolute;right:16px;white-space:nowrap;background:var(--surface);padding:3px 6px;border-radius:4px;opacity:0;pointer-events:none}
.rail-dot:hover .rail-label,.rail-dot:focus-visible .rail-label{opacity:1}
.dot{width:7px;height:7px;border-radius:50%;background:var(--rule)}.rail-dot[aria-current="true"] .dot{background:var(--accent)}
@media (max-width:1100px){.rail{display:none}}

.story{position:relative;display:grid;grid-template-columns:minmax(340px,460px) 1fr}
.stage{position:sticky;top:var(--top);height:calc(100vh - var(--top));height:calc(100svh - var(--top));grid-column:2;grid-row:1;overflow:hidden;background:var(--stage-bg)}
.stage canvas,.stagebox canvas{display:block;width:100%;height:100%;touch-action:none}
.stage canvas{touch-action:pan-y}
.stage-film{position:absolute;right:5%;top:6%;z-index:2}
.stage-film figure{margin:0;background:#07080c;border:1px solid #2a303c;border-radius:10px;overflow:hidden;box-shadow:0 18px 50px rgba(0,0,0,.35);width:min(340px,42vw)}
.stage-film img{display:block;width:100%;height:auto;aspect-ratio:1}
.stage-film figcaption{display:flex;justify-content:space-between;gap:10px;padding:7px 10px;font:500 13px/1.3 var(--sans);color:#d9dee7}
.stage-film figcaption span{color:#9aa3b2}
.steps{grid-column:1;grid-row:1;position:relative;z-index:2;padding:0 0 30vh}
.hero{min-height:calc(100svh - var(--top));display:flex;flex-direction:column;justify-content:center;padding:40px 28px 40px 32px}
.kicker{font:600 13px/1.3 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--accent-ink);margin:0 0 12px}
h1{font:700 clamp(36px,4.4vw,56px)/1.04 var(--serif);letter-spacing:-.012em;margin:0 0 18px}
.deck{font-size:20px;margin:0 0 22px}
.deck strong{color:var(--accent-ink)}
.hero-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.scroll-cue{font:500 14px var(--sans);color:var(--muted)}
.deck-src{font:500 14px var(--sans);margin:18px 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--rule);background:var(--surface);color:var(--text);font:600 15px/1 var(--sans);padding:11px 16px;border-radius:9px;cursor:pointer;text-decoration:none;min-height:44px}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
:root[data-theme="dark"] .btn.primary{color:#1d0611}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .btn.primary{color:#1d0611}}
.btn.small{font-size:14px;padding:8px 12px;min-height:38px}
.step{min-height:92vh;display:flex;align-items:center;padding:6vh 20px 6vh 28px}
.card{background:var(--card);border:1px solid var(--rule);border-radius:12px;padding:20px 22px 10px;box-shadow:0 8px 30px rgba(0,0,0,.08);min-width:0;width:100%}
.card h2,.block h2,.ex-head h2{font:700 25px/1.2 var(--serif);margin:0 0 12px}
.card p{margin:0 0 14px}
.card strong{color:var(--accent-ink)}
.anchor{margin-left:8px;font:500 16px var(--sans);color:var(--muted);text-decoration:none;opacity:0}
h2:hover .anchor,.anchor:focus-visible{opacity:1}
.stage-cap{position:absolute;left:14px;top:12px;font:600 13px var(--sans);color:var(--muted)}
.legend{position:absolute;left:12px;bottom:12px;background:rgba(19,23,32,.9);border:1px solid #2a303c;border-radius:8px;padding:6px 10px;font:500 12px/1.5 var(--sans);color:#c3cad6;display:flex;flex-direction:column}
.legend .lg-land{border-color:#8e98aa}
.legend i{display:inline-block;vertical-align:middle;margin-right:6px}
.lg-plume{width:14px;height:10px;border-radius:50%;background:radial-gradient(circle,#fff1c9 0 15%,#ff9a4a 35%,#e8407a 60%,#5b2a86 90%)}
.lg-land{width:8px;height:8px;border-radius:50%;border:1.4px solid var(--land-dot)}
.lg-mag{font-size:11px}

/* strip of passes */
.strip{list-style:none;margin:6px 0 4px;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(52px,1fr));gap:5px}
.strip li{position:relative;aspect-ratio:1;border-radius:5px;overflow:hidden;background:#0d1016;border:1px solid var(--rule)}
.strip li.no{background:transparent;border:1px dashed var(--rule)}
.strip img{width:100%;height:100%;object-fit:cover;display:block}
.strip b{position:absolute;left:0;right:0;bottom:0;font:600 8.5px/1.35 var(--sans);letter-spacing:-.01em;white-space:nowrap;overflow:hidden;text-align:center;color:#e8ebf1;background:rgba(7,8,12,.62)}
.strip li.no b{color:var(--muted);background:transparent}
.dotp{position:absolute;left:50%;top:42%;width:14px;height:14px;margin:-7px;border-radius:50%;background:radial-gradient(circle,#fff1c9 0 15%,#ff9a4a 35%,#e8407a 60%,#5b2a86 90%)}
.barsfig{margin:6px 0 12px}
.barsfig svg{display:block;width:100%;height:150px;overflow:visible}
.barsfig text{font:500 3.2px var(--sans);fill:var(--muted)}
.barsfig .b-v{fill:var(--text);font-weight:600}
.b-rep{fill:var(--muted);opacity:.55}
.b-seen{stroke:var(--accent);stroke-width:.7;stroke-dasharray:1.5 1}
.barsfig figcaption{font:500 13px/1.4 var(--sans);color:var(--muted);margin-top:6px}
.sw{display:inline-block;width:14px;height:8px;vertical-align:middle;margin:0 5px 0 0;border-radius:2px}.sw.rep{background:var(--muted);opacity:.55}.sw.seen{height:0;border-top:2px dashed var(--accent);margin-left:8px}

@media (max-width:860px){
  .story{display:block}
  .stage{position:sticky;top:var(--top);height:40vh;height:40svh;z-index:5;border-bottom:1px solid var(--rule)}
  .stage-film{right:8px;top:8px}
  .stage-film figure{width:min(170px,40vw)}
  .stage-film figcaption{font-size:11px;padding:4px 6px}
  .stage-film figcaption span{display:none}
  .steps{padding-bottom:10vh;z-index:1}
  .step,.hero{scroll-margin-top:calc(var(--top) + 40svh)}
  .hero{min-height:auto;padding:22px 18px 30px}
  h1{font-size:34px}
  .deck{font-size:18px}
  .step{min-height:auto;padding:16px 14px 46px}
  .card{box-shadow:none;padding:16px 16px 8px}
  .legend{left:6px;bottom:6px;padding:3px 7px;font-size:10.5px}
  .legend .lg-mag{display:none}
  body{font-size:17.5px}
}

.after{position:relative;z-index:6;background:var(--bg);border-top:1px solid var(--rule)}
.explorer{max-width:1280px;margin:0 auto;padding:46px 20px 30px}
.ex-head{max-width:720px}
.ex-head h2{font-size:30px}
.calm{font:500 15.5px/1.5 var(--sans);color:var(--muted);border-left:3px solid var(--rule);padding-left:10px}
.ex-grid{display:grid;grid-template-columns:minmax(300px,400px) 1fr;gap:22px;margin-top:16px;align-items:start}
.ex-side{min-width:0}
.ex-view{position:sticky;top:calc(var(--top) + 10px)}
.stagebox{position:relative;height:min(74vh,720px);border:1px solid var(--rule);border-radius:12px;overflow:hidden;background:var(--stage-bg)}
.map-ctl{position:absolute;right:10px;top:10px;display:flex;flex-direction:column;gap:6px}
.map-ctl button{width:40px;height:40px;border-radius:8px;border:1px solid #2a303c;background:#131720;color:#eef0f4;font:600 20px/1 var(--sans);cursor:pointer}
.map-reset{position:absolute;right:58px;top:10px}
.help{font:500 13px/1.4 var(--sans);color:var(--muted);margin:8px 0 0}
.pop{position:absolute;z-index:4;max-width:250px;background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:9px 11px;font:500 13.5px/1.4 var(--sans);box-shadow:0 8px 24px rgba(0,0,0,.22);transform:translate(10px,-100%)}
.pop p{margin:0 0 4px}
.linkish{background:none;border:0;padding:0;color:var(--accent-ink);font:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:2px;text-align:left}
.pick{display:flex;gap:8px;align-items:flex-end}
.field{flex:1;display:flex;flex-direction:column;gap:5px;font:600 14px var(--sans);min-width:0}
.field input{font:500 17px var(--sans);padding:10px 12px;border:1px solid var(--rule);border-radius:9px;background:var(--surface);color:var(--text);min-height:44px;width:100%}
.sugg{list-style:none;margin:4px 0 0;padding:0;border:1px solid var(--rule);border-radius:9px;background:var(--surface);font:500 15px/1.3 var(--sans);overflow:hidden}
.sugg:empty{display:none}
.sugg li{padding:9px 12px;cursor:pointer;border-bottom:1px solid var(--rule)}.sugg li:last-child{border-bottom:0}
.sugg li[aria-selected="true"],.sugg li:hover{background:var(--bg)}
.sugg span{color:var(--muted);font-size:13.5px}
.examples{font:500 14px var(--sans);color:var(--muted);display:flex;flex-wrap:wrap;gap:6px;align-items:center;margin:12px 0}
.examples button{font:600 13.5px var(--sans);border:1px solid var(--rule);background:transparent;color:var(--text);border-radius:999px;padding:6px 11px;cursor:pointer;min-height:34px}
.shared{font:600 14px var(--sans);color:var(--accent-ink)}
.result{border-top:1px solid var(--rule);padding-top:14px}
.res-empty{color:var(--muted);font-style:italic}
.result h3{font:700 23px/1.2 var(--serif);margin:0}
.result h4{font:700 18px/1.25 var(--serif);margin:0 0 4px}
.sitebox{border:1px solid var(--rule);border-radius:10px;padding:12px 12px 4px;margin:10px 0}
.res-sub{font:500 14px var(--sans);color:var(--muted);margin:2px 0 10px}
.ans{margin:0 0 10px}
.status{font:600 14px/1.35 var(--sans);margin:0 0 6px;display:inline-block;padding:3px 8px;border-radius:6px;border:1px solid var(--rule)}
.st-gap{border-color:var(--accent);color:var(--accent-ink)}
.facts{margin:6px 0 10px;font:500 14.5px/1.35 var(--sans)}
.facts div{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--rule);padding:5px 0}
.facts dt{color:var(--muted)}.facts dd{margin:0;text-align:right;font-weight:600}
@media (max-width:860px){.ex-grid{grid-template-columns:1fr}.ex-view{position:relative;top:0;order:-1}.stagebox{height:56vh;height:56svh}.explorer{padding:30px 14px}}

.prose{max-width:820px;margin:0 auto;padding:10px 20px 40px}
.block{margin:40px 0}
.block p{margin:0 0 14px}
.fig{margin:0}
.tablewrap{overflow-x:auto;border:1px solid var(--rule);border-radius:10px}
table.pub{border-collapse:collapse;width:100%;font:500 14px/1.35 var(--sans)}
table.pub th,table.pub td{padding:8px 10px;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top}
table.pub th{font-weight:600;background:var(--surface)}
table.pub .n{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
table.pub .sub{display:block;color:var(--muted);font-size:12.5px}
table.pub tr.st-gap td:last-child{color:var(--accent-ink)}
table.pub tr.st-seen td{color:var(--muted)}
.fig-note{font:500 13px/1.45 var(--sans);color:var(--muted);margin:8px 0 0}
.sources{font-size:15.5px;padding-left:20px}.sources li{margin:0 0 8px}
.share{margin:22px 0}.share-row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.share-label{font:600 14px var(--sans);margin-right:4px}
.ic{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;border:1px solid var(--rule);background:var(--surface);color:var(--text);cursor:pointer}
.share-msg{font:500 13px var(--sans);color:var(--muted);margin:6px 0 0;min-height:1em}
.res-actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:4px}
.site-footer{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;padding:26px 16px 40px;font:500 14px var(--sans);color:var(--muted);border-top:1px solid var(--rule)}
.site-footer a{color:var(--muted)}
.place-page main{max-width:640px;margin:10vh auto;padding:0 20px}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}