@font-face{font-family:"Newsreader";font-style:normal;font-weight:200 800;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+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:200 800;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+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+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,U+FEFF,U+FFFD}
@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+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,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:"Plex Mono";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/IBMPlexMono-Regular.woff2) format("woff2")}

/* The story sits on dark glass over the photograph, in both themes. */
:root{
  --bg:#f7f0ea;--bg-2:#efe4db;--card:#fffaf6;--ink:#1f1512;--ink-2:#4a3a35;--rule:#dccbc0;--rule-2:#8f7a70;
  --accent:#a3321f;--link:#8e2a18;--bar-bg:rgba(247,240,234,.88);
  --s-ink:#fbeee6;--s-ink-2:#e6c9bb;--s-acc:#ffb48a;--s-glass:rgba(26,8,10,.62);--s-rule:rgba(255,220,200,.18);
  color-scheme:light;
}
:root[data-theme="dark"]{
  --bg:#110607;--bg-2:#1b0b0d;--card:#1f0e10;--ink:#f4e7e0;--ink-2:#d2bcb2;--rule:#3a2124;--rule-2:#8a6a64;
  --accent:#ff9d74;--link:#ffb899;--bar-bg:rgba(17,6,7,.86);color-scheme:dark;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#110607;--bg-2:#1b0b0d;--card:#1f0e10;--ink:#f4e7e0;--ink-2:#d2bcb2;--rule:#3a2124;--rule-2:#8a6a64;
    --accent:#ff9d74;--link:#ffb899;--bar-bg:rgba(17,6,7,.86);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:#160809;color:var(--ink);font:400 1.1875rem/1.62 "Newsreader",Georgia,serif;font-optical-sizing:auto}
a{color:var(--link);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--s-acc);outline-offset:3px;border-radius:4px}
b,strong{font-weight:640}
.skip{position:absolute;left:-999px;top:0;background:var(--card);color:var(--ink);padding:.5rem .8rem;z-index:99}
.skip:focus{left:.5rem;top:.5rem}
section[id],header[id]{scroll-margin-top:2.75rem}
.static-only{display:none}
html:not(.js) .static-only{display:block}
html:not(.js) .needs-js,html:not(.js) .stage,html:not(.js) .hud{display:none}

/* ---- top bar ---- */
.topbar{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:.9rem;height:2.75rem;padding:0 1rem;background:var(--bar-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--rule);font-size:.9rem}
.topbar a{color:var(--ink);text-decoration:none}
.topbar .home{font-weight:600;white-space:nowrap}
.topnav{display:flex;gap:1rem;overflow-x:auto;scrollbar-width:none;min-width:0;flex:0 1 auto}
.topnav::-webkit-scrollbar{display:none}
.topnav a{white-space:nowrap;color:var(--ink-2)}
.topnav a:hover,.topnav a[aria-current="true"]{color:var(--ink);text-decoration:underline}
.spacer{flex:1 1 0}
.chip{border:1px solid var(--rule-2);border-radius:99px;padding:.1rem .6rem;font-size:.82rem;white-space:nowrap}
.icon-btn{display:inline-grid;place-items:center;width:2.75rem;height:2.75rem;margin-right:-.6rem;background:none;border:0;color:var(--ink);cursor:pointer;border-radius:50%}
.icon-btn svg[hidden]{display:none}
@media (max-width:720px){.topnav{display:none}.topbar{gap:.6rem}}

/* ---- reading rail (over the scene) ---- */
.rail{position:fixed;right:.9rem;top:50%;transform:translateY(-50%);z-index:30;display:flex;flex-direction:column;gap:.55rem}
.rail a{display:flex;align-items:center;justify-content:flex-end;gap:.5rem;text-decoration:none;color:var(--s-ink-2);font-size:.8rem;min-height:24px}
.rail a span{opacity:0;transform:translateX(6px);transition:opacity .2s,transform .2s;background:var(--s-glass);color:var(--s-ink);padding:.1rem .5rem;border-radius:4px;white-space:nowrap;backdrop-filter:blur(6px)}
.rail a:hover span,.rail a:focus-visible span{opacity:1;transform:none}
.rail i{width:8px;height:8px;border-radius:50%;border:1.5px solid var(--s-ink-2);flex:none;transition:background .2s,transform .2s}
.rail a[aria-current="true"] i{background:var(--s-acc);border-color:var(--s-acc);transform:scale(1.35)}
@media (max-width:900px){.rail{display:none}}

/* ---- the scene ---- */
.stage{position:fixed;inset:0;z-index:0;background:radial-gradient(ellipse at 38% 32%,#5c1a12 0%,#2a0b0d 55%,#120405 100%)}
.stage canvas{display:block;width:100%;height:100%;opacity:0;transition:opacity 1.2s ease}
html.photo .stage canvas{opacity:1}
main,.foot{position:relative;z-index:1}

/* ---- opening ---- */
.hero{position:relative;min-height:calc(100svh - 2.75rem);display:flex;flex-direction:column;justify-content:center;padding:3rem max(16px,8vw) 4rem;color:var(--s-ink);max-width:62rem}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(12,3,4,.62) 0%,rgba(12,3,4,.30) 45%,rgba(12,3,4,.10) 100%);pointer-events:none}
.hero>*{position:relative}
.kicker{font:400 .8rem/1.2 "Plex Mono",ui-monospace,monospace;letter-spacing:.14em;text-transform:uppercase;color:var(--s-acc);margin:0 0 1.2rem}
.hero h1{font-weight:300;font-size:clamp(2.6rem,8vw,5.6rem);line-height:1;letter-spacing:-.02em;margin:0 0 1.6rem;text-wrap:balance;text-shadow:0 2px 40px rgba(20,0,0,.6)}
.deck{font-size:clamp(1.15rem,2.2vw,1.45rem);line-height:1.5;max-width:36rem;margin:0 0 1.4rem;color:var(--s-ink);text-shadow:0 1px 24px rgba(20,0,0,.6)}
.credit{font-size:.78rem;line-height:1.5;color:var(--s-ink-2);opacity:.85;max-width:30rem;margin:0}
.scrollcue{margin:3rem 0 0;font-size:.95rem;color:var(--s-ink-2);display:flex;align-items:center;gap:.6rem}
.scrollcue span{width:1px;height:2.2rem;background:var(--s-acc);display:inline-block;animation:cue 2.4s ease-in-out infinite}
@keyframes cue{50%{transform:translateY(6px);opacity:.5}}
@media (prefers-reduced-motion:reduce){.scrollcue span{animation:none}}
html:not(.js) .scrollcue{display:none}

/* ---- the story ---- */
.chapter{padding:0 max(16px,8vw)}
.ch{font-weight:300;font-size:clamp(2rem,5vw,3.4rem);line-height:1.05;letter-spacing:-.01em;color:var(--s-ink);max-width:40rem;margin:0;padding:30vh 0 6vh;text-wrap:balance;text-shadow:0 2px 30px rgba(20,0,0,.6)}
.ch a,.block h2 a{color:inherit;text-decoration:none}
.ch a:hover::after,.block h2 a:hover::after{content:" #";color:var(--s-acc);font-size:.6em}
.step{min-height:78vh;display:flex;align-items:center;padding:6vh 0}
.card{max-width:33rem;background:var(--s-glass);color:var(--s-ink);padding:1.5rem 1.7rem;border-radius:14px;backdrop-filter:blur(14px) saturate(1.1);-webkit-backdrop-filter:blur(14px) saturate(1.1);border:1px solid var(--s-rule);opacity:.35;transform:translateY(10px);transition:opacity .6s,transform .6s}
.step.on .card,html:not(.js) .card{opacity:1;transform:none}
.card p{margin:0 0 .9rem}.card p:last-child{margin-bottom:0}
.card i{font-style:italic}
.ending{font-size:1.45rem;line-height:1.5}
.notatest{font-size:.95rem;color:var(--s-ink-2);border-left:3px solid var(--s-acc);padding-left:.8rem}
@media (prefers-reduced-motion:reduce){.card{transition:none;transform:none}}

/* ---- the note ---- */
figure.note{margin:1.1rem 0 .4rem}
figure.note blockquote{margin:0;padding:1rem 1.2rem;background:rgba(251,238,230,.94);color:#3a2320;border-radius:6px;font-style:italic;font-size:1.15rem;line-height:1.5;box-shadow:0 8px 30px rgba(0,0,0,.35)}
figure.note figcaption{font-size:.88rem;color:var(--s-ink-2);margin-top:.5rem;line-height:1.45}

/* ---- panels ---- */
.step.wide{display:block;min-height:auto;padding:8vh 0}
.panel{max-width:44rem;background:rgba(22,5,8,.8);color:var(--s-ink);padding:1.6rem 1.7rem 1.4rem;border-radius:16px;border:1px solid var(--s-rule);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.panel h3{font-weight:420;font-size:1.55rem;line-height:1.2;margin:0 0 1rem}
.panel>p{margin:0 0 .9rem}
.lab-row{display:flex;flex-wrap:wrap;align-items:center;gap:.45rem;margin:0 0 .6rem}
.seg{font:inherit;font-size:.95rem;min-height:2.6rem;padding:.35rem .95rem;border-radius:99px;border:1px solid var(--s-rule);background:transparent;color:var(--s-ink);cursor:pointer;display:inline-flex;align-items:center}
.seg:hover{background:rgba(255,235,225,.1)}
.seg[aria-pressed="true"]{background:#fbeee6;color:#3a0d0e;border-color:#fbeee6}
.seg.file{cursor:pointer}
.seg.aim{min-width:2.6rem;justify-content:center;padding:.35rem .4rem}
#aim-marker{position:fixed;z-index:60;width:34px;height:34px;margin:-17px 0 0 -17px;border:2px solid var(--s-acc);border-radius:50%;pointer-events:none;box-shadow:0 0 0 3px rgba(20,4,6,.55)}
#aim-marker::after{content:"";position:absolute;left:50%;top:50%;width:4px;height:4px;margin:-2px 0 0 -2px;border-radius:50%;background:var(--s-acc)}
.lab-note{min-height:3.2em;font-size:1rem;color:var(--s-ink-2);margin:.4rem 0 .6rem}
#fade-result{min-height:2.4em}
#stare-canvas{width:100%;height:auto;display:block;border-radius:10px;margin:.4rem 0 .8rem;background:#808080}
figure.static-only{margin:1rem 0;max-width:44rem}
figure.static-only img{width:100%;height:auto;display:block;border-radius:10px}
figure.compare{grid-template-columns:1fr 1fr;gap:.6rem}
html:not(.js) figure.compare{display:grid}
.hero-fig{max-width:52rem;margin-top:2rem}
html:not(.js) .chapter{padding-bottom:4vh}
html:not(.js) .ch{padding:8vh 0 3vh}
html:not(.js) .step{min-height:auto;padding:2vh 0}

/* ---- age display ---- */
.hud{position:fixed;right:max(12px,1.2vw);bottom:max(12px,1.2vw);z-index:35;display:flex;align-items:center;gap:.55rem;padding:.55rem 1rem;border-radius:99px;background:var(--s-glass);color:var(--s-ink);border:1px solid var(--s-rule);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);font:400 .8rem/1 "Plex Mono",ui-monospace,monospace;letter-spacing:.08em;text-transform:uppercase;opacity:0;pointer-events:none;transition:opacity .4s}
.hud.show{opacity:1}
.hud .dot{width:4px;height:4px;border-radius:50%;background:var(--s-acc)}

/* ---- sources and footer (the page around the scene) ---- */
.block{position:relative;z-index:1;background:var(--bg);color:var(--ink);padding:4rem max(16px,8vw) 3rem;margin-top:10vh}
.block h2{font-weight:400;font-size:1.9rem;margin:0 0 1.2rem}
.method{max-width:44rem;color:var(--ink-2);font-size:1.02rem}
.srcs{padding-left:1.1rem;max-width:52rem;font-size:.95rem;color:var(--ink-2)}
.srcs li{margin:0 0 .45rem}
.srcs a{word-break:break-word}
.foot{background:var(--bg);color:var(--ink-2);padding:1.5rem max(16px,8vw) 3rem;border-top:1px solid var(--rule);font-size:.92rem}
.foot p{margin:.2rem 0}.foot a{color:var(--ink)}

/* ---- 404 ---- */
body.nf{background:var(--bg);min-height:100vh;display:grid;place-items:center;text-align:center}
body.nf h1{font-weight:300;font-size:2.4rem}

@media (max-width:640px){
  .hero{padding-top:2rem}
  .card{padding:1.2rem 1.25rem}
  .panel{padding:1.2rem 1.1rem}
  .ch{padding-top:22vh}
  .step{min-height:70vh}
  .hud{font-size:.72rem}
  figure.compare{grid-template-columns:1fr}
}