@font-face{font-family:"EB Garamond";src:url(fonts/EBGaramond.woff2) format("woff2");font-weight:400 800;font-style:normal;font-display:swap}
@font-face{font-family:"EB Garamond";src:url(fonts/EBGaramond-Italic.woff2) format("woff2");font-weight:400 800;font-style:italic;font-display:swap}
@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+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@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+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,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+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:"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+0100-02AF,U+0304,U+0308,U+0329,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20CF,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Plex Mono";src:url(fonts/IBMPlexMono-Regular.woff2) format("woff2");font-display:swap}

:root{
  --bg:#f6f0e6;--paper:#fffaf2;--ink:#1d1a17;--ink-2:#534b42;--mut:#6c6358;--rule:#ddd2c1;--rule-2:#bcae98;--link:#8a2d1c;--bar-bg:rgba(246,240,230,.9);
  --hi:#b04a12;--focus:#9b3d0c;
  --fw:#2f5f8a;--fw-bg:#e3ecf5;--fd:#2c6a45;--fd-bg:#e1efe5;--ct:#a3361f;--ct-bg:#f7e2da;
  --pin:#1d1a17;--pin-ink:#fffaf2;--pin-num:#ffcf5a;
  /* scene (a lit flat at night) */
  --sky-1:#101c36;--sky-2:#2b375b;--city:#1a243d;--win:#f3c969;--moon:#f4ecd0;--slab:#6a625a;--stair-wall:#9a9282;--stair:#7a7266;--frame:#3b352f;
  --hall:#eadcc2;--living:#f2dbb6;--k-wall:#e6ebe5;--k-grout:#cad3cc;--skirting:#b79f7c;--wall-cut:#6d655a;--lamp:#ffd98a;--shade:#c95f3f;
  --rail:#3a3f4b;--bath:#d5e3e6;--mirror:#bcd4dc;--door:#a2744a;--brass:#d9b25a;--wood:#8a5c3a;--wood-2:#6d452a;--couch:#4d6f73;--couch-2:#3f5d61;
  --below:#2b2724;--star:#f6f0dc;--k-cab:#7d9a8c;--k-top:#d8cfc0;--k-cab-2:#8fae9f;--ink-scene:#3a2f28;--smoke:#cfd3d8;--sign:#2a2622;
  --serif:"Source Serif 4",Georgia,serif;--display:"EB Garamond",Garamond,Georgia,serif;--mono:"Plex Mono",ui-monospace,Menlo,monospace;
  color-scheme:light
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#15130f;--paper:#1d1a15;--ink:#eee6d8;--ink-2:#c3b8a6;--mut:#a39886;--rule:#343029;--rule-2:#4f493f;--link:#f2a98c;--bar-bg:rgba(21,19,15,.9);
  --hi:#f3a064;--focus:#f3a064;
  --fw:#9cc3ea;--fw-bg:#1d2a38;--fd:#8fd3a8;--fd-bg:#1b2d22;--ct:#f2a38e;--ct-bg:#3a211b;
  --pin:#f4ecdc;--pin-ink:#15130f;--pin-num:#b04a12;
  --hall:#cbbda4;--living:#d9c29c;--k-wall:#c9cfc8;--k-grout:#aeb7b0;--stair-wall:#6f685c;--stair:#5b544a;--lamp:#ffcf70;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#15130f;--paper:#1d1a15;--ink:#eee6d8;--ink-2:#c3b8a6;--mut:#a39886;--rule:#343029;--rule-2:#4f493f;--link:#f2a98c;--bar-bg:rgba(21,19,15,.9);
  --hi:#f3a064;--focus:#f3a064;
  --fw:#9cc3ea;--fw-bg:#1d2a38;--fd:#8fd3a8;--fd-bg:#1b2d22;--ct:#f2a38e;--ct-bg:#3a211b;
  --pin:#f4ecdc;--pin-ink:#15130f;--pin-num:#b04a12;
  --hall:#cbbda4;--living:#d9c29c;--k-wall:#c9cfc8;--k-grout:#aeb7b0;--stair-wall:#6f685c;--stair:#5b544a;--lamp:#ffcf70;color-scheme:dark}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:clip}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--ink);font:1.12rem/1.62 var(--serif)}
a{color:var(--link);text-underline-offset:.15em}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:var(--paper);color:var(--ink);padding:.5rem .8rem;z-index:99}
.skip:focus{left:.5rem;top:.5rem}

/* topbar */
.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{color:var(--ink);text-decoration:underline}
.spacer{flex:1}
.chip{display:inline-flex;align-items:center;min-height:2rem;border:1px solid var(--rule-2);border-radius:99px;padding:.1rem .7rem;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:760px){.topnav{display:none}.topbar{gap:.6rem}}

/* rail */
.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(--ink-2);font-size:.8rem;min-height:24px}
.rail a span{opacity:0;transform:translateX(6px);transition:opacity .2s,transform .2s;background:var(--bg);color:var(--ink);padding:.1rem .5rem;border-radius:4px;white-space:nowrap;border:1px solid var(--rule)}
.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(--ink-2);flex:none;transition:background .2s,transform .2s}
.rail a[aria-current="true"] i{background:var(--hi);border-color:var(--hi);transform:scale(1.35)}
@media (max-width:1180px){.rail{display:none}}

/* opening */
.open{max-width:46rem;margin:0 auto;padding:2.4rem 1rem .6rem}
.kicker{font:600 .78rem/1.3 var(--serif);letter-spacing:.12em;text-transform:uppercase;color:var(--hi);margin:0 0 .6rem}
h1{font:500 clamp(2.3rem,6.4vw,4.1rem)/1.02 var(--display);letter-spacing:-.01em;margin:0 0 .9rem}
.deck{font-size:1.24rem;line-height:1.5;color:var(--ink-2);margin:0 0 1rem}
.by{font-size:.86rem;color:var(--mut);margin:0}
h2{font:500 clamp(1.7rem,4vw,2.4rem)/1.12 var(--display);margin:0 0 .7rem}
h3{font:600 1.18rem/1.3 var(--serif);margin:1.4rem 0 .4rem}
.anchor{color:inherit;text-decoration:none}
.anchor:hover{text-decoration:underline;text-decoration-thickness:1px}


.entry{margin:1.2rem 0 0;padding-top:1rem;border-top:1px solid var(--rule)}
.entry h2{font-size:1.35rem;margin:0 0 .2rem}
.entry p{margin:0;font-size:.95rem;color:var(--ink-2)}
.moments{display:flex;flex-wrap:wrap;gap:.45rem;margin:.6rem 0 0;padding:0;list-style:none}
.moments a{display:inline-flex;align-items:center;min-height:44px;padding:.35rem .85rem;border:1px solid var(--rule-2);border-radius:99px;background:var(--paper);color:var(--ink);text-decoration:none;font-size:.95rem;line-height:1.25}
.moments a:hover{border-color:var(--hi);color:var(--hi)}

/* the story: sticky stage + steps */
.story{position:relative}
.stage{position:sticky;top:2.75rem;height:calc(100svh - 2.75rem);z-index:1;overflow:hidden;background:var(--sky-1)}
.stage svg{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:pan-y}
.scene .el{transition:opacity .45s,filter .45s;cursor:pointer}
.scene.lensing .el:not(.on){opacity:.2;filter:saturate(0)}
.scene.lensing .el.on{filter:drop-shadow(0 0 6px rgba(255,214,120,.95)) drop-shadow(0 0 14px rgba(255,190,90,.55))}
@media (prefers-reduced-motion:reduce){.scene .el{transition:none}}
.sign{font:600 20px var(--serif);fill:var(--sign)}
.zzz{font:italic 600 22px var(--serif);fill:#8f8a80}
.pins{position:absolute;inset:0;pointer-events:none}
.pin{position:absolute;left:0;top:0;display:grid;place-items:center;width:1.65rem;height:1.65rem;border-radius:50%;background:var(--pin-num);color:#1d1a17;font:700 .85rem/1 var(--serif);box-shadow:0 0 0 2px rgba(29,26,23,.85),0 2px 6px rgba(0,0,0,.45)}
.pin.off{visibility:hidden}
.legend{position:absolute;left:.75rem;bottom:.6rem;z-index:2;margin:0;padding:.45rem .8rem .45rem 2rem;max-width:min(24rem,calc(100% - 1.5rem));background:rgba(10,14,26,.8);color:#f6efe2;border-radius:6px;font:600 .88rem/1.35 var(--serif);counter-reset:pin}
.legend li{margin:.1rem 0}
.legend li::marker{color:#ffcf5a;font-weight:700}
@media (min-width:900px){.legend{left:auto;right:1rem;bottom:6.5rem}}
.stage-cap:empty{display:none}
.stage-cap{position:absolute;left:.75rem;top:.6rem;z-index:2;margin:0;padding:.25rem .65rem;border-radius:4px;background:rgba(10,14,26,.72);color:#f6efe2;font:600 .85rem/1.3 var(--serif);max-width:calc(100% - 1.5rem)}
.stage[data-layer="framework"] .stage-cap{box-shadow:inset 3px 0 0 #8fb8e3}
.stage[data-layer="finding"] .stage-cap{box-shadow:inset 3px 0 0 #8fd3a8}
.stage[data-layer="contested"] .stage-cap{box-shadow:inset 3px 0 0 #f2a38e}
.who-sees{position:absolute;z-index:3;width:15rem;padding:.6rem .8rem .5rem;background:var(--paper);color:var(--ink);border:1px solid var(--rule-2);border-radius:6px;box-shadow:0 6px 24px rgba(0,0,0,.35);font-size:.9rem}
.who-sees p{margin:0 1.6rem .3rem 0;font-weight:600}
.who-sees ul{margin:0;padding:0 0 0 1rem}
.who-sees li{margin:.15rem 0}
.who-sees button{position:absolute;right:.2rem;top:.1rem;width:2.2rem;height:2.2rem;border:0;background:none;color:var(--ink);font-size:1.3rem;cursor:pointer}
.stage-hint{position:absolute;right:.75rem;bottom:.6rem;z-index:2;margin:0;padding:.2rem .55rem;border-radius:4px;background:rgba(10,14,26,.6);color:#f6efe2;font-size:.78rem}

.steps{position:relative;z-index:2;margin-top:calc(-100svh + 2.75rem + 1.5rem);padding-bottom:40svh;pointer-events:none}
.step{pointer-events:auto;max-width:27rem;margin:0 0 72svh 4vw;padding:1.1rem 1.25rem 1rem;background:var(--paper);border:1px solid var(--rule);border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.18);scroll-margin-top:4rem}
.step.intro{max-width:31rem;margin-top:0;padding:1.4rem 1.5rem 1.2rem}
.intro h1{font-size:clamp(2.2rem,4.6vw,3.4rem)}
.intro .deck{font-size:1.1rem}
.step h2{font-size:1.75rem;margin:0 0 .35rem}
.step .who{margin:0 0 .6rem;font-size:.9rem;color:var(--mut)}
.step p{margin:.5rem 0}
.step .see{font-size:1.06rem}
.step details{margin:.6rem 0 .2rem;border-top:1px solid var(--rule);padding-top:.5rem}
.step summary{cursor:pointer;font-weight:600;font-size:.95rem;min-height:44px;display:flex;align-items:center}
.step .tool{margin:.8rem 0 .2rem;padding:.6rem .8rem;border-left:3px solid var(--hi);background:var(--bg);font-style:italic}
.step .src{font-size:.86rem;color:var(--mut)}
.share-row{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;margin:.7rem 0 0}
.share{min-height:44px;padding:.35rem .9rem;border:1px solid var(--rule-2);border-radius:99px;background:var(--bg);color:var(--ink);font:inherit;font-size:.92rem;cursor:pointer}
.share:hover{border-color:var(--hi)}
.share[hidden]{display:none}
.share-out{font-size:.88rem;color:var(--mut);overflow-wrap:anywhere}
.room{pointer-events:auto;max-width:27rem;margin:0 0 60svh 4vw;padding:.9rem 1.25rem;background:rgba(10,14,26,.8);color:#f6efe2;border-radius:8px}
.room h2{color:#f6efe2;margin:0 0 .2rem;font-size:1.9rem}
.room p{margin:0;color:#e2d9c8}
.badge{display:inline-block;margin:0 .35rem .1rem 0;padding:.05rem .5rem;border-radius:99px;font:600 .74rem/1.5 var(--serif);letter-spacing:.04em;text-transform:uppercase;vertical-align:.12em}
.b-framework{background:var(--fw-bg);color:var(--fw)}
.b-finding{background:var(--fd-bg);color:var(--fd)}
.b-contested{background:var(--ct-bg);color:var(--ct)}

@media (max-width:899px){
  .stage{height:48svh;z-index:3;box-shadow:0 6px 14px rgba(0,0,0,.25)}
  .steps{margin-top:0;padding-top:.75rem}
  .step.intro{margin-bottom:40svh}
  .step,.room,.bl{scroll-margin-top:calc(48svh + 3.5rem)}
  .step,.room{margin:0 .75rem 55svh;max-width:none}
  .stage-hint{display:none}
}
@media (max-height:520px){.stage{height:calc(100svh - 2.75rem)}}

/* no-script: sections read as a plain article */
html:not(.js) .stage{position:relative;top:0;height:auto}
html:not(.js) .stage svg{position:static;height:auto}
html:not(.js) .stage-cap,html:not(.js) .stage-hint,html:not(.js) .pins{display:none}
html:not(.js) .steps{margin:0 auto;max-width:46rem;padding:0 1rem}
html:not(.js) .step,html:not(.js) .room{margin:0 0 1.5rem;max-width:none;box-shadow:none}

/* prose blocks */
.block{max-width:46rem;margin:0 auto;padding:3rem 1rem 1rem}
.block p{margin:.7rem 0}
.wide{max-width:64rem}
.layers{display:grid;gap:.8rem;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));margin:1rem 0}
.layers div{padding:.8rem 1rem;border-radius:8px;border:1px solid var(--rule)}
.layers p{margin:.3rem 0 0;font-size:.95rem}

/* broken lenses */
.broken{display:grid;gap:1rem;margin-top:1rem}
.bl{padding:1rem 1.2rem;border:1px solid var(--rule);border-left:4px solid var(--ct);border-radius:8px;background:var(--paper)}
.bl h3{margin:.1rem 0 .4rem;font:500 1.45rem/1.2 var(--display)}
.bl .claim{font-style:italic;color:var(--ink-2)}
.says{display:grid;grid-template-columns:auto 1fr;gap:.35rem .8rem;margin:.6rem 0;font-size:.97rem}
.says dt{font-weight:600;white-space:nowrap}
.says dd{margin:0}
@media (max-width:560px){.says{grid-template-columns:1fr}.says dd{margin-bottom:.4rem}}

/* practice */
.q{margin:1rem 0;padding:1rem 1.1rem;border:1px solid var(--rule);border-radius:8px;background:var(--paper)}
.q p.m{margin:0 0 .6rem;font-size:1.06rem}
.q .opts{display:flex;flex-wrap:wrap;gap:.45rem}
.q button{min-height:44px;padding:.35rem .85rem;border:1px solid var(--rule-2);border-radius:99px;background:var(--bg);color:var(--ink);font:inherit;font-size:.95rem;cursor:pointer}
.q button:hover{border-color:var(--hi)}
.q button[aria-pressed="true"]{border-color:var(--ink);font-weight:600}
.q.done button.right{background:var(--fd-bg);border-color:var(--fd);color:var(--fd)}
.q-out{min-height:1.4em;margin:.5rem 0 0;font-weight:600}
.q-why{margin:.3rem 0 0;font-size:.95rem;color:var(--ink-2)}
html:not(.js) .q .opts{display:none}
html:not(.js) .q-why{display:block!important}

/* pocket guide */
.guide{columns:2 20rem;column-gap:2rem;margin:1rem 0;padding:0;list-style:none}
.guide li{break-inside:avoid;margin:0 0 .8rem;padding:.1rem 0 .1rem .8rem;border-left:3px solid var(--rule-2)}
.guide li.l-finding{border-color:var(--fd)}
.guide li.l-framework{border-color:var(--fw)}
.guide li.l-contested{border-color:var(--ct)}
.guide a{font-weight:600}
.guide span{display:block;font-style:italic;color:var(--ink-2)}
.print-btn{min-height:44px;padding:.4rem 1rem;border:1px solid var(--rule-2);border-radius:99px;background:var(--paper);color:var(--ink);font:inherit;cursor:pointer}

/* sources */
.srcs{padding-left:1.2rem;font-size:.92rem}
.srcs li{margin:.3rem 0}
.srcs a,.src a,.bl .src a{overflow-wrap:anywhere}
main,.foot{overflow-wrap:break-word}
.rel{padding-left:1.2rem}
.foot{max-width:46rem;margin:3rem auto 0;padding:1.5rem 1rem 3rem;border-top:1px solid var(--rule);font-size:.9rem;color:var(--mut)}
.foot a{color:var(--mut)}
.nf main{max-width:40rem;margin:0 auto;padding:4rem 1rem}

@media print{
  .topbar,.rail,.story,.open .deck,.entry,#practice,#broken,#sources,.foot,.hero-fig,.print-btn,#method{display:none!important}
  body{background:#fff;color:#000;font-size:11pt}
  .guide{columns:2}
}