/* UI shell: the CS-max direction. Generated from directions/common/base.css, directions/c-exhibit/exhibit.css and directions/cs-max/max.css.
   Edit those and run tools/build_shell.sh. */
@import url("type.css");
/* Shared base for the three direction prototypes: faces, motion tokens, access.
   Faces: Hanken Grotesk (OFL) and Conso, the two the live site ships.
   Motion tokens are generated by substrate/lib/motion.mjs tokensCss(). */
@font-face{font-family:"Hanken Grotesk";src:url("fonts/hanken-grotesk.woff2") format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Conso";src:url("fonts/conso-regular.woff2") format("woff2");font-weight:400;font-display:swap}

:root{
  --ease-standard:cubic-bezier(0.2,0,0,1);
  --ease-enter:cubic-bezier(0,0,0.2,1);
  --ease-exit:cubic-bezier(0.4,0,1,1);
  --ease-film:cubic-bezier(0.65,0,0.35,1);
  /* measured from reference clips (feed-test-20), via motion.mjs curveFromSamples */
  --ease-engrave:linear(0 0%,0 16.67%,0.1 27.78%,0.5 42.22%,0.9 68.89%,1 100%);
  --ease-spring:linear(0,0.1132,0.3184,0.5137,0.6686,0.7812,0.8588,0.9104,0.944,0.9654,0.9788,0.9871,0.9922,0.9953,0.9972,0.9983,1);
  --dur-quick:120ms;--dur-base:200ms;--dur-slow:320ms;--dur-scene:900ms;
  /* the site's verdict colours, light */
  --verified:#0a6b61;--drift:#8f3a19;--unverifiable:#4e4d85;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--verified:#63d4ce;--drift:#e29472;--unverifiable:#b3b1e6}}
:root[data-theme="dark"]{--verified:#63d4ce;--drift:#e29472;--unverifiable:#b3b1e6}
@media (prefers-reduced-motion:reduce){:root{--dur-quick:0ms;--dur-base:0ms;--dur-slow:0ms;--dur-scene:0ms}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:clip}
body{margin:0;overflow-x:clip}
img{max-width:100%;height:auto;display:block}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.skip{position:absolute;left:12px;top:-60px;z-index:50;padding:10px 14px;background:var(--ink);color:var(--wall,var(--paper,#fff));font:600 15px var(--sans);text-decoration:none}
.skip:focus{top:12px}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px}
code,pre,kbd,samp{font-family:var(--mono)}
[data-verdict]{font:600 15px/1.3 var(--sans)}
[data-verdict]::before{content:"";display:inline-block;width:.8em;height:.8em;margin-right:.45em;vertical-align:-.05em;background:currentColor}
[data-verdict="verified"]{color:var(--verified)}
[data-verdict="verified"]::before{border-radius:50%}
[data-verdict="drift"]{color:var(--drift)}
[data-verdict="drift"]::before{clip-path:polygon(50% 0,100% 100%,0 100%)}
[data-verdict="unverifiable"]{color:var(--unverifiable)}
[data-verdict="unverifiable"]::before{background:none;border:2px solid currentColor}

/* Without JS every demo state shows; with JS one at a time. */
html:not(.js) [data-choices]{display:none}
html.js [data-state][hidden]{display:none}

/* Plain view: the art layer goes, the text stays. */
html.plain [data-art]{display:none!important}
html.plain *{animation:none!important;transition:none!important}

/* halftone canvas sits over its photograph and takes the container's colour */
canvas.ht{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.ht-on > img[data-halftone]{visibility:hidden}

/* Lettering from non-type material (lettering.js). The text stays real; the material draws it. */
[data-letter]{position:relative;isolation:isolate}
.lettered-on{color:transparent}
.lettered-on::selection{color:var(--ink);background:color-mix(in srgb,var(--ink) 18%,transparent)}
canvas.letter-art{position:absolute;inset:0;width:100%;height:100%;z-index:-1;pointer-events:none}
.scrap{display:inline-block;color:transparent;background:var(--plate) var(--px,50%) var(--py,50%)/420% auto;-webkit-background-clip:text;background-clip:text;transform:rotate(var(--tilt,0deg));filter:contrast(1.5) brightness(.82) drop-shadow(0 0 .6px rgba(0,0,0,.9)) drop-shadow(0 1px 0 rgba(0,0,0,.5))}
.scrap-word{white-space:nowrap}
html.plain .lettered-on,html.plain .scrap{color:var(--ink);background:none;transform:none;filter:none}
@media (forced-colors:active){.lettered-on,.scrap{color:CanvasText!important;background:none!important}canvas.letter-art{display:none}}
@media print{.lettered-on,.scrap{color:#000!important;background:none!important}canvas.letter-art{display:none}}
:root[data-theme="dark"] .scrap{filter:contrast(1.4) brightness(1.15) drop-shadow(0 0 1px rgba(236,229,214,.6))}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .scrap{filter:contrast(1.4) brightness(1.15) drop-shadow(0 0 1px rgba(236,229,214,.6))}}

/* display slots (shell/slots.js): an external lettering drawing laid over the real text */
[data-display]{position:relative;isolation:isolate}
.slot-on{color:transparent}
.slot-art{position:absolute;inset:0;z-index:-1;pointer-events:none}
.slot-art > *{width:100%;height:100%}
html.plain .slot-on{color:var(--ink)}
@media (forced-colors:active){.slot-on{color:CanvasText!important}.slot-art{display:none}}

/* living plates (the alive layer, alive): until alive.js adopts a [data-alive] element it
   shows its still; under reduced motion and in plain view it stays a still. */
[data-alive]{position:relative}
html.plain [data-alive] canvas,html.plain [data-alive] video{display:none}
/* Direction C: Second tour. The site as a surreal exhibit.
   Rooms with wall text, objects hung salon-style at the wrong scale, museum labels for every
   route, and a second tour ("Show me") that opens the plain, sourced answer behind each piece. */
:root{
  color-scheme:light;
  --wall:#e8e3d9;--wall-2:#ddd6c9;--ink:#16130f;--soft:#4a443b;--line:#c4baa6;--on-ink:#e8e3d9;
  --shadow:rgba(22,19,15,.26);--lamp:rgba(255,250,238,.0);--mat:#f3efe6;--card:#f6f1e3;--rake:rgba(22,19,15,.10);
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){color-scheme:dark;--wall:#0a0a0c;--wall-2:#141418;--ink:#ece5d6;--soft:#b8b0a0;--line:#2e2c31;--on-ink:#0a0a0c;--shadow:rgba(0,0,0,.75);--lamp:rgba(236,229,214,.075);--mat:#111114;--card:#d9d1bf;--rake:rgba(0,0,0,.55)}}
:root[data-theme="dark"]{color-scheme:dark;--wall:#0a0a0c;--wall-2:#141418;--ink:#ece5d6;--soft:#b8b0a0;--line:#2e2c31;--on-ink:#0a0a0c;--shadow:rgba(0,0,0,.75);--lamp:rgba(236,229,214,.075);--mat:#111114;--card:#d9d1bf;--rake:rgba(0,0,0,.55)}

body{background:var(--wall);color:var(--ink);font:400 18px/1.55 var(--sans)}
a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}
a:hover{text-decoration-thickness:2px}

/* ---------- chrome: a thin rail, the controls as a small console ---------- */
.rail{position:relative;z-index:5;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 24px;padding:14px 16px;border-bottom:1px solid var(--line)}
.rail .home{font:700 17px/1 var(--sans);text-decoration:none}
.rail ul{display:flex;flex-wrap:wrap;gap:4px 20px;margin:0;padding:0;list-style:none;font:500 15px var(--sans)}
.rail ul a{text-decoration:none}
.rail ul a:hover,.rail ul a[aria-current]{text-decoration:underline}
.console{display:flex;gap:6px}
.console button{font:500 14px/1 var(--sans);color:var(--ink);background:var(--wall);border:1px solid var(--ink);border-radius:0;padding:9px 14px;min-height:40px;cursor:pointer;transition:background-color var(--dur-quick) var(--ease-standard)}
.console button:hover{background:var(--wall-2)}
.console button[aria-pressed="true"]{background:var(--ink);color:var(--on-ink)}
.console [data-sound]::before{content:"";display:inline-block;width:8px;height:8px;margin-right:8px;border-radius:50%;border:1.5px solid currentColor;vertical-align:0}
.console [data-sound][aria-pressed="true"]::before{background:currentColor}

/* ---------- a room: wall text left, objects free ---------- */
.room{position:relative;overflow-x:clip;padding:clamp(48px,8vw,120px) 16px;border-bottom:1px solid var(--line);
  background:radial-gradient(ellipse 60% 70% at 70% 0,var(--lamp),transparent 70%)}
.room-in{max-width:1320px;margin:0 auto;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:24px 20px;align-items:start}
.walltext{grid-column:1 / span 5}
.walltext h1,.walltext h2{margin:0 0 20px;font-weight:800;letter-spacing:-.035em;line-height:.95}
.walltext h1{font-size:clamp(52px,8.6vw,150px)}
.walltext h2{font-size:clamp(36px,4.6vw,72px)}
.walltext p{max-width:38ch;margin:0 0 14px}
.walltext .an{font:600 clamp(21px,1.9vw,28px)/1.25 var(--sans);letter-spacing:-.01em;max-width:24ch}

/* ---------- objects: framed, hung, lit; the shadow does not match the frame ---------- */
.object{position:relative;margin:0}
.frame{position:relative;background:var(--wall-2);padding:clamp(10px,1.4vw,22px);box-shadow:0 1px 0 var(--line),0 24px 40px -24px var(--shadow)}
.frame img{width:100%;height:auto}
.frame::after{content:"";position:absolute;z-index:-1;left:18%;top:30%;width:120%;height:130%;background:var(--shadow);filter:blur(18px);
  transform:skewX(-28deg) scaleY(1.06);transform-origin:0 0;opacity:.55;pointer-events:none}
.label{font-size:14px;line-height:1.4;color:var(--soft);margin-top:12px}
.label b{color:var(--ink);font-weight:700}
html.ready .reveal{animation:engrave var(--dur-scene) var(--ease-engrave) both}
@keyframes engrave{from{clip-path:inset(0 0 100% 0)}to{clip-path:inset(0)}}

/* the frieze: a plate enlarged past the wall, moving against the scroll */
.frieze{position:relative;height:clamp(140px,18vw,280px);overflow:hidden;border-bottom:1px solid var(--line)}
.frieze img{position:absolute;left:-6%;top:50%;width:112%;max-width:none;transform:translateY(-50%);filter:grayscale(1) contrast(1.2);mix-blend-mode:multiply;opacity:.8}
:root[data-theme="dark"] .frieze img{filter:grayscale(1) invert(1) contrast(1.1);mix-blend-mode:screen;opacity:.55}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .frieze img{filter:grayscale(1) invert(1) contrast(1.1);mix-blend-mode:screen;opacity:.55}}

/* ---------- the salon hang: the work's own output, framed and hung ---------- */
.salon{list-style:none;margin:0;padding:0;grid-column:1 / -1;display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:56px 24px;align-items:start}
.salon > li{grid-column:span var(--w,4);margin-top:var(--drop,0)}
.specimen{position:relative;display:grid;place-items:center;min-height:var(--h,220px);padding:clamp(18px,2.4vw,36px);background:var(--mat);
  box-shadow:inset 0 0 0 clamp(8px,1vw,14px) var(--wall-2),inset 0 0 0 calc(clamp(8px,1vw,14px) + 1px) var(--line),0 26px 40px -26px var(--shadow);text-align:center;overflow:hidden}
.specimen .big{font:900 clamp(64px,9vw,150px)/.85 var(--sans);letter-spacing:-.06em}
.specimen .mid{font:800 clamp(28px,3vw,46px)/1 var(--sans);letter-spacing:-.03em}
.specimen .tt{font:400 clamp(15px,1.2vw,18px)/1.5 var(--mono);text-align:left;white-space:pre-wrap;overflow-wrap:anywhere}
.specimen .prose{font:400 clamp(20px,1.9vw,28px)/1.35 var(--sans);text-align:left;max-width:26ch}
.specimen .prose [data-sev]{font-variation-settings:"wght" var(--wg);font-weight:var(--wg);text-decoration:underline wavy;text-decoration-thickness:1px;text-underline-offset:6px}
.specimen .prose [data-sev="high"]{--wg:900}.specimen .prose [data-sev="medium"]{--wg:620}
.specimen .prose .clean{font-weight:250}
.over{position:absolute;inset:auto auto 14% 50%;translate:-50% 0;rotate:-8deg}
.label h3{margin:0;font:800 clamp(22px,2vw,30px)/1.05 var(--sans);letter-spacing:-.02em;color:var(--ink)}
.label h3 a{text-decoration:none}
.label h3 a:hover,.label h3 a:focus-visible{text-decoration:underline}
.label .medium{display:block;margin:4px 0 6px;font:400 13px/1.4 var(--mono);color:var(--soft)}
.label p{margin:0 0 4px;font-size:16px;color:var(--ink)}

/* ---------- type as material ---------- */
/* the stamp: misregistered, overprinted, rotated */
.stamp{display:inline-block;white-space:nowrap;padding:.18em .45em .12em;border:3px double currentColor;font:800 clamp(18px,1.7vw,26px)/1 var(--sans);letter-spacing:.01em;
  color:var(--stamp,var(--drift));text-shadow:2px 1px 0 color-mix(in srgb,currentColor 35%,transparent);mix-blend-mode:multiply;opacity:.92}
:root[data-theme="dark"] .stamp{mix-blend-mode:screen}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .stamp{mix-blend-mode:screen}}
/* the index card: typewritten credit on a ruled card, pinned slightly off true */
.card{position:relative;max-width:400px;padding:18px 18px 14px 26px;background:var(--card);color:#2a2620;rotate:var(--r,-1.2deg);
  background-image:linear-gradient(#c96a5a 0 0),repeating-linear-gradient(transparent 0 23px,rgba(70,110,150,.28) 23px 24px);background-size:1px 100%,100% 100%;background-position:16px 0,0 6px;background-repeat:no-repeat,repeat;
  font:400 14px/24px var(--mono);box-shadow:0 10px 20px -12px var(--shadow)}
.card b{font-weight:400;text-decoration:underline}
/* misregistered second ink: the line is printed twice, the second pass slipped down and right */
.raked{text-shadow:.045em .03em 0 color-mix(in srgb,var(--drift) 42%,transparent)}
html.plain .raked{text-shadow:none}
/* the tag: a specimen tag with a punched hole, tied to the frame by a thread */
.tag{position:relative;display:inline-block;margin-top:14px;padding:6px 14px 6px 30px;background:var(--card);color:#2a2620;font:600 14px var(--sans);
  clip-path:polygon(14px 0,100% 0,100% 100%,14px 100%,0 50%);border:0}
.tag::before{content:"";position:absolute;left:12px;top:50%;width:7px;height:7px;margin-top:-3.5px;border-radius:50%;background:var(--wall);box-shadow:inset 0 0 0 1px rgba(0,0,0,.35)}
/* a running head in the margin */
.runhead{grid-column:1 / -1;display:flex;justify-content:space-between;gap:16px;font:400 13px/1.3 var(--mono);color:var(--soft);border-bottom:1px solid var(--line);padding-bottom:8px;margin-bottom:8px}

/* ---------- the second tour: show me ---------- */
.tour{margin-top:8px}
.tour summary{position:relative;display:inline-flex;align-items:center;gap:8px;cursor:pointer;font:600 14px var(--sans);list-style:none;padding:8px 14px 8px 30px;min-height:36px;background:var(--card);color:#2a2620;clip-path:polygon(14px 0,100% 0,100% 100%,14px 100%,0 50%)}
.tour summary::-webkit-details-marker{display:none}
.tour summary::before{content:"";position:absolute;left:12px;top:50%;width:8px;height:8px;margin-top:-4px;border-radius:50%;background:var(--wall);box-shadow:inset 0 0 0 1px rgba(0,0,0,.4);transition:background-color var(--dur-quick) var(--ease-standard)}
.tour[open] summary::before{background:#2a2620}
.tour summary:focus-visible{outline-offset:4px}
.tour .answer{margin-top:10px;border-left:2px solid var(--ink);padding:4px 0 4px 14px;font-size:15px}
.tour[open] .answer{animation:open var(--dur-base) var(--ease-enter) both}
@keyframes open{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.answer pre,.answer code{font-size:14px}
.answer pre{margin:6px 0;white-space:pre-wrap;overflow-wrap:anywhere}

/* ---------- reading wall: text with margin notes ---------- */
.reading{grid-column:1 / span 7;font-size:clamp(19px,1.5vw,21px);line-height:1.6}
.reading p{max-width:60ch;margin:0 0 18px}
.notes{grid-column:9 / span 4;list-style:none;margin:0;padding:0;font-size:14px;color:var(--soft);border-top:1px solid var(--line)}
.notes li{padding:12px 0;border-bottom:1px solid var(--line)}
sup a{font:600 .7em var(--mono);text-decoration:none;padding:0 2px}

/* ---------- vitrine: a demo case ---------- */
.vitrine{grid-column:7 / -1;border:1px solid var(--ink);background:var(--wall-2);padding:clamp(16px,2vw,28px);box-shadow:inset 0 0 0 6px var(--wall-2),inset 0 0 0 7px var(--line)}
.picks{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px}
.picks button{font:600 15px/1.2 var(--sans);color:var(--ink);background:var(--wall);border:1px solid var(--ink);border-radius:0;padding:10px 16px;min-height:44px;cursor:pointer;transition:background-color var(--dur-quick) var(--ease-standard)}
.picks button[aria-pressed="true"]{background:var(--ink);color:var(--on-ink)}
.vitrine .io{font:400 17px/1.45 var(--mono);margin:0 0 10px;overflow-wrap:anywhere}
.vitrine [data-verdict]{font-size:clamp(26px,3.2vw,44px);font-weight:800;letter-spacing:-.03em;margin:4px 0 10px;line-height:1}
.vitrine [data-state]:not([hidden]){animation:open var(--dur-base) var(--ease-enter) both}
.note{font-size:14px;color:var(--soft)}

/* ---------- a sequence shown as a plate of frames ---------- */
.plate-seq{grid-column:1 / -1;list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border:1px solid var(--ink);counter-reset:f}
.plate-seq li{counter-increment:f;padding:16px;border-right:1px solid var(--ink);min-height:200px;display:flex;flex-direction:column;gap:6px}
.plate-seq li:last-child{border-right:0}
.plate-seq li::before{content:counter(f);font:400 14px var(--mono);color:var(--soft)}
.plate-seq li.key{background:var(--ink);color:var(--on-ink)}
.plate-seq li.key::before{color:inherit}
.plate-seq b{font-size:20px;letter-spacing:-.01em}
.plate-seq span{font-size:15px;line-height:1.4}

.pair{grid-column:1 / -1;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.pair > div{border-top:2px solid var(--ink);padding-top:12px}
.pair h3{margin:0 0 6px;font:800 28px/1 var(--sans);letter-spacing:-.02em}
.pair .hold{grid-column:1 / -1;border-top:1px solid var(--line)}

.instruction{grid-column:7 / -1;font:400 clamp(20px,2.2vw,30px)/1.45 var(--mono);background:var(--ink);color:var(--on-ink);padding:22px 24px;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px}
.instruction pre{margin:0;font:inherit;white-space:pre-wrap}
.instruction button{font:600 14px var(--sans);background:var(--wall);color:var(--ink);border:0;border-radius:0;padding:10px 16px;min-height:44px;cursor:pointer}

.foot{padding:28px 16px 48px;display:flex;flex-wrap:wrap;gap:12px 24px;font-size:15px;max-width:1352px;margin:0 auto}
.foot details{flex-basis:100%}
.foot summary{cursor:pointer;font-weight:600}
.foot ul{margin:8px 0 0;padding-left:18px;font-size:14px;color:var(--soft);max-width:90ch}

@media (max-width:860px){
  body{font-size:17px}
  .walltext,.reading,.notes,.vitrine,.instruction{grid-column:1 / -1}
  .salon > li{grid-column:1 / -1;margin-top:0}
  .plate-seq{grid-template-columns:1fr}
  .plate-seq li{border-right:0;border-bottom:1px solid var(--ink);min-height:0}
  .plate-seq li:last-child{border-bottom:0}
  .pair{grid-template-columns:1fr}
  .frame::after{left:10%;width:100%}
}
@media (prefers-reduced-motion:reduce){html.ready .reveal{animation:none}}
@media print{.rail .console,.frieze,[data-art]{display:none!important}.room{background:none}}

/* the plate behind the sequence: each frame shows one cell of a Muybridge plate (set --seq-plate) */
.plate-seq[style*="--seq-plate"] li{position:relative;isolation:isolate}
.plate-seq[style*="--seq-plate"] li::after{content:"";position:absolute;inset:0;z-index:-1;background:var(--seq-plate) no-repeat;background-size:800% 300%;opacity:.22;filter:grayscale(1)}
.plate-seq[style*="--seq-plate"] li:nth-child(1)::after{background-position:14.3% 50%}
.plate-seq[style*="--seq-plate"] li:nth-child(2)::after{background-position:28.6% 50%;opacity:.35}
.plate-seq[style*="--seq-plate"] li:nth-child(3)::after{background-position:42.9% 50%}
.plate-seq[style*="--seq-plate"] li:nth-child(4)::after{background-position:57.1% 50%}
.plate-seq[style*="--seq-plate"] li:nth-child(5)::after{background-position:71.4% 50%}
html.plain .plate-seq li::after{display:none}

/* ---------- surface: grain on every wall, fibre on every card ----------
   A fixed-seed turbulence tile, 160 px, laid over the wall at low opacity. It also dithers the lamp
   gradient so it does not band. Plain view and print drop it. */
.room::before{content:"";position:absolute;inset:0;pointer-events:none;z-index:0;opacity:var(--grain,.07);
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' seed='7' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .5 0 0 0 0 .5 0 0 0 0 .5 0 0 0 1.2 -.1'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E")}
:root[data-theme="dark"] .room::before{--grain:.05}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .room::before{--grain:.05}}
.room-in{position:relative;z-index:1}
.card,.tag,.tour summary{background-blend-mode:multiply}
.card::after{content:"";position:absolute;inset:0;pointer-events:none;opacity:.35;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='f'%3E%3CfeTurbulence type='turbulence' baseFrequency='.02 .9' numOctaves='2' seed='3'/%3E%3CfeColorMatrix values='0 0 0 0 .55 0 0 0 0 .5 0 0 0 0 .42 0 0 0 .5 0'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23f)'/%3E%3C/svg%3E")}
html.plain .room::before,html.plain .card::after{display:none}
@media print{.room::before,.card::after{display:none}}
/* CS-max: Second tour with Slab's layering, both taken further.
   Layers, back to front: wall (grain, lamp) / exposed grid and cell grid / halftone slabs cut on a
   diagonal / supergraphic dot-screen words / framed objects with crop marks / text, which inverts
   where it crosses a slab / controls made of media. Text always stays on top and readable. */

/* ---------- the room is one blend group on a solid wall ---------- */
.room{isolation:isolate;background-color:var(--wall);overflow:clip}
/* frames hang on a keyline; the old blurred, skewed cast shadow is gone */
.cropped .frame::after{display:none}
.cropped .frame{box-shadow:0 0 0 1px var(--line)}
.specimen.cropped{box-shadow:inset 0 0 0 clamp(8px,1vw,14px) var(--wall-2),inset 0 0 0 calc(clamp(8px,1vw,14px) + 1px) var(--line),0 0 0 1px var(--line)}
.room-in{z-index:auto}

/* ---------- exposed grid: twelve columns, an 8 px cell grid, registration marks ---------- */
.gridded > .room-in::before{content:"";position:absolute;inset:-24px 0;z-index:-1;pointer-events:none;
  background:
    repeating-linear-gradient(90deg,var(--grid-col) 0 1px,transparent 1px calc((100% + 20px) / 12)),
    repeating-linear-gradient(0deg,var(--grid-cell) 0 1px,transparent 1px 8px),
    repeating-linear-gradient(90deg,var(--grid-cell) 0 1px,transparent 1px 8px)}
.reg{position:absolute;width:22px;height:22px;pointer-events:none;z-index:2;
  background:linear-gradient(var(--ink),var(--ink)) 50% 0/1px 100% no-repeat,linear-gradient(var(--ink),var(--ink)) 0 50%/100% 1px no-repeat}
.reg::after{content:"";position:absolute;inset:5px;border:1px solid var(--ink);border-radius:50%}
.reg.tl{left:-11px;top:-35px}.reg.tr{right:-11px;top:-35px}.reg.bl{left:-11px;bottom:-35px}.reg.br{right:-11px;bottom:-35px}

/* ---------- the slab: an ink field cut on a diagonal, a plate re-screened inside it ---------- */
.cut{position:absolute;z-index:0;background:var(--slab-ink);overflow:hidden;pointer-events:none;
  top:var(--cut-top,8%);left:var(--cut-left,38%);width:var(--cut-w,70%);height:var(--cut-h,78%);
  clip-path:var(--cut-poly,polygon(18% 0,100% 0,100% 100%,0 100%))}
.cut img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:grayscale(1);opacity:.35}
.cut canvas.ht{color:var(--slab-dot);opacity:.18}
.cut.second{background:none}
.cut.second canvas.ht{color:var(--ink);opacity:.09}
html.ready .cut.pour{animation:pour var(--dur-scene) var(--ease-engrave) both}
@keyframes pour{from{clip-path:polygon(100% 0,100% 0,100% 100%,100% 100%)}to{clip-path:var(--cut-poly,polygon(18% 0,100% 0,100% 100%,0 100%))}}

/* the name inverts where it crosses a slab: near-white under a difference blend reads as ink on the
   wall and as wall on the slab, in both themes. Plain view and forced colours set it as ink. */
.inverts{color:#f9f6ef;--letter-ink:#f9f6ef;mix-blend-mode:difference;position:relative;z-index:1}
html.plain .inverts{color:var(--ink);mix-blend-mode:normal}
/* lettered type is opaque material: no blend on the text, the negative layer does the inversion */
.inverts.slot-on,.inverts.lt-host{mix-blend-mode:normal}
.negative{position:absolute;z-index:2;background:#fff;mix-blend-mode:difference;pointer-events:none}
html.plain .negative{display:none}
@media (forced-colors:active){.negative{display:none}}
@media (forced-colors:active){.inverts{mix-blend-mode:normal;color:CanvasText}}

/* running heads ride above slabs on a wall-coloured strip */
.gridded .runhead{position:relative;z-index:2}
.gridded .runhead span{background:var(--wall);padding:0 4px}

/* body copy never sits on a slab: a wall-coloured ground behind any reading block that could meet one */
.gridded .wall,.gridded .lede,.gridded .walltext p{position:relative;z-index:1}

/* ---------- supergraphic: a room-scale word set in a dot screen ---------- */
.super{position:absolute;z-index:0;margin:0;pointer-events:none;user-select:none;white-space:nowrap;
  font:900 var(--super-size,min(34vw,560px))/.78 var(--face-display);letter-spacing:-.07em;color:transparent;
  background:radial-gradient(circle,var(--super-ink) 36%,transparent 39%) 0 0/var(--super-dot,7px) var(--super-dot,7px);-webkit-background-clip:text;background-clip:text}
.super.carved{font-family:var(--face-carved);font-weight:400;letter-spacing:-.02em}
html.plain .super{display:none}

/* ---------- crop marks on every frame and specimen ---------- */
.cropped{position:relative}
.cropped::before{content:"";position:absolute;inset:-14px;pointer-events:none;z-index:2;
  --m:linear-gradient(var(--ink),var(--ink));
  background:var(--m) 0 13px/9px 1px no-repeat,var(--m) 13px 0/1px 9px no-repeat,
    var(--m) 100% 13px/9px 1px no-repeat,var(--m) calc(100% - 13px) 0/1px 9px no-repeat,
    var(--m) 0 calc(100% - 13px)/9px 1px no-repeat,var(--m) 13px 100%/1px 9px no-repeat,
    var(--m) 100% calc(100% - 13px)/9px 1px no-repeat,var(--m) calc(100% - 13px) 100%/1px 9px no-repeat}

/* ---------- controls made of media ---------- */
/* navigation as index cards, tabs up, the current one pulled from the drawer */
.cards-nav ul{display:flex;flex-wrap:wrap;gap:6px 4px;margin:0;padding:0;list-style:none}
.cards-nav a{position:relative;display:block;padding:9px 12px 7px 16px;min-height:40px;background:var(--card);color:#2a2620;text-decoration:none;
  font:400 14px/1.6 var(--face-utility);rotate:var(--r,-.8deg);box-shadow:0 6px 10px -8px var(--shadow);
  background-image:linear-gradient(#c96a5a 0 0),repeating-linear-gradient(transparent 0 11px,rgba(70,110,150,.24) 11px 12px);background-size:1px 100%,100% 100%;background-position:9px 0,0 4px;background-repeat:no-repeat,repeat;
  transition:translate var(--dur-base) var(--ease-standard)}
.cards-nav li:nth-child(2n) a{--r:.9deg}
.cards-nav a:hover,.cards-nav a:focus-visible{translate:0 -3px}
.cards-nav a[aria-current="page"]{translate:0 -6px;box-shadow:0 12px 16px -10px var(--shadow);text-decoration:underline}

/* stamps that are buttons: un-inked outline at rest, inked and off-register when pressed */
.stamp-btn{font:800 14px/1 var(--face-display);color:var(--ink);background:transparent;border:3px double var(--ink);padding:9px 12px;min-height:40px;cursor:pointer;
  rotate:var(--r,-2deg);transition:rotate var(--dur-quick) var(--ease-standard),background-color var(--dur-quick) var(--ease-standard)}
.stamp-btn:hover{rotate:0deg}
.stamp-btn[aria-pressed="true"],.stamp-btn.inked{background:var(--ink);color:var(--wall);box-shadow:2px 1px 0 color-mix(in srgb,var(--ink) 40%,transparent)}
.stamp-btn:focus-visible{outline:3px solid var(--ink);outline-offset:4px}

/* the lamp: a halftone disc that prints positive in light and negative in dark */
.lamp-btn{display:inline-flex;align-items:center;gap:8px;font:600 14px var(--face-text);color:var(--ink);background:none;border:0;padding:4px;min-height:40px;cursor:pointer}
.lamp-btn::before{content:"";width:28px;height:28px;border-radius:50%;border:1px solid var(--ink);
  background:radial-gradient(circle,var(--ink) 34%,transparent 37%) 0 0/4px 4px,linear-gradient(90deg,var(--wall) 50%,transparent 50%)}

/* the record: the sound control turns only while sound plays */
.disc-btn{display:inline-flex;align-items:center;gap:8px;font:600 14px var(--face-text);color:var(--ink);background:none;border:0;padding:4px;min-height:40px;cursor:pointer}
.disc-btn img{width:32px;height:32px;border-radius:50%;object-fit:cover;border:1px solid var(--ink)}
.sound-on .disc-btn img{animation:spin 1.8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* a halftone slab is the hover state: a diagonal dot band sweeps under the link */
.slabhover{position:relative;isolation:isolate;text-decoration:none}
.slabhover::after{content:"";position:absolute;z-index:-1;inset:-4px -10px;background:radial-gradient(circle,var(--ink) 38%,transparent 41%) 0 0/4px 4px;opacity:.35;
  clip-path:polygon(0 0,0 0,0 100%,0 100%);transition:clip-path var(--dur-slow) var(--ease-standard)}
.slabhover:hover::after,.slabhover:focus-visible::after{clip-path:polygon(0 0,100% 0,calc(100% - 14px) 100%,0 100%)}

/* receipts as tooltips: perforated till roll, typed */
.receipt-tip{position:fixed;z-index:60;display:flex;flex-direction:column;gap:2px;padding:12px 14px 18px;background:#f4f0e6;color:#1d1a15;
  font:400 12px/1.5 var(--face-utility);box-shadow:0 14px 26px -14px rgba(0,0,0,.6);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 6px),95% 100%,90% calc(100% - 6px),85% 100%,80% calc(100% - 6px),75% 100%,70% calc(100% - 6px),65% 100%,60% calc(100% - 6px),55% 100%,50% calc(100% - 6px),45% 100%,40% calc(100% - 6px),35% 100%,30% calc(100% - 6px),25% 100%,20% calc(100% - 6px),15% 100%,10% calc(100% - 6px),5% 100%,0 calc(100% - 6px))}
.receipt-tip b{font-weight:400;text-transform:none;opacity:.6;margin-right:6px}
.receipt-tip[hidden]{display:none}
[data-receipt]{text-decoration-style:dotted}

/* media controls inside the console drop the console's default box */
.console .lamp-btn,.console .disc-btn{border:0;background:none;padding:4px}
.console .disc-btn::before{content:none}
.console .stamp-btn{border:3px double var(--ink);background:transparent}
.console .stamp-btn[aria-pressed="true"]{background:var(--ink);color:var(--wall)}

/* ---------- tokens for this direction ---------- */
:root{--grid-col:rgba(22,19,15,.10);--grid-cell:rgba(22,19,15,.035);--slab-ink:#16130f;--slab-dot:#e8e3d9;--super-ink:rgba(22,19,15,.16)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--grid-col:rgba(236,229,214,.08);--grid-cell:rgba(236,229,214,.03);--slab-ink:#ece5d6;--slab-dot:#0a0a0c;--super-ink:rgba(236,229,214,.13)}}
:root[data-theme="dark"]{--grid-col:rgba(236,229,214,.08);--grid-cell:rgba(236,229,214,.03);--slab-ink:#ece5d6;--slab-dot:#0a0a0c;--super-ink:rgba(236,229,214,.13)}

@media (prefers-reduced-motion:reduce){html.ready .cut.pour{animation:none}.sound-on .disc-btn img{animation:none}.slabhover::after{transition:none}}
html.plain .cut,html.plain .reg,html.plain .gridded > .room-in::before,html.plain .cropped::before{display:none}
@media print{.cut,.super,.reg,.receipt-tip{display:none!important}}

/* narrow screens: a slab placed for desktop can reach the reading column; reading blocks then
   sit on their own wall-coloured ground so text never prints over the screen */
@media (max-width:860px){
  .gridded .walltext,.gridded .wall,.gridded .lede,.gridded .reading,.gridded .deck{position:relative;z-index:1;background:var(--wall);box-shadow:0 0 0 8px var(--wall)}
}


/* ---------- the type scale, applied (QUALITY-SPEC T1 to T8) ----------
   Every text role maps to one step of --fs-1 .. --fs-hero; leading and tracking follow the size band. */
html{font-synthesis:none;font-kerning:normal;font-optical-sizing:auto}
p,li,figcaption,dd{text-wrap:pretty}
h1,h2,h3{text-wrap:balance}
body{font-size:var(--fs-3);line-height:1.55}
.skip{font-size:var(--fs-2)}
.rail .home{font-size:var(--fs-3)}
.cards-nav a,.console button,.stamp-btn,.lamp-btn,.disc-btn,.picks button,.instruction button,.btn{font-size:var(--fs-2)}
.runhead,.label .medium,.receipt-tip,.plate-seq li::before{font-size:var(--fs-1)}
.card,.tag,.tour summary,.notes,.notes li,.how p,.answer,.answer pre,.answer code,.note,.foot,.foot ul,.plaque,.plate-seq span,.label p{font-size:var(--fs-2);line-height:1.5}
.label p{font-size:var(--fs-3)}
.card i,.card cite,.card em{font-style:normal;text-decoration:underline dotted}
.walltext p,.wall p,.lede,.reading p,.rooms-intro,.pair p,.hold,.vitrine p,.edges p{font-size:var(--fs-3);line-height:1.6;max-width:66ch}
.reading p{font-size:var(--fs-4);line-height:1.55}
.an,.deck{font-size:var(--fs-5)!important;line-height:1.12!important;letter-spacing:-.02em!important;font-weight:700}
.walltext .an{max-width:22ch}
.tt,.specimen .tt,.io,.vitrine .io{font-size:var(--fs-3);line-height:1.5}
.instruction,.instruction pre{font-size:var(--fs-4);line-height:1.45}
.specimen .prose{font-size:var(--fs-4);line-height:1.4}
.plate-seq b,.label h3,.pair h3,.edges h3{font-size:var(--fs-5);line-height:1.05;letter-spacing:-.02em}
.plate-seq b{font-size:var(--fs-4);line-height:1.15}
.walltext h1,.walltext h2,[data-h="room"],.specimen .mid,.vitrine [data-verdict],.state [data-verdict]{font-size:var(--fs-6);line-height:1;letter-spacing:-.035em;font-weight:900}
[data-verdict]{font-size:var(--fs-3)}
.vitrine [data-verdict]{font-weight:800}
.specimen .big,[data-fs="96"]{font-size:var(--fs-7)!important;line-height:.9;letter-spacing:-.05em}
[data-fs="48"]{font-size:var(--fs-6)!important;line-height:1;letter-spacing:-.04em}
.stamp{font-size:var(--fs-4);letter-spacing:-.01em}
.stamp.over{font-size:var(--fs-4)}
.super.carved{letter-spacing:.04em}
/* lettered type keeps an ink colour for the reader and the audit; the fill is what goes transparent */
.lt-host.lt-on,.lettered-on,.slot-on{color:var(--ink)!important;-webkit-text-fill-color:transparent}
html.plain .lt-host.lt-on,html.plain .lettered-on,html.plain .slot-on{-webkit-text-fill-color:currentColor}