/* Project sheets: header and title block, drawings with numbered notes, the section cutter, next sheet. */

/* ---- header ---- */
.p-head{padding-block:var(--s6) var(--s6)}
.p-kicker{display:flex;flex-wrap:wrap;gap:6px 18px}
.p-kicker b{color:var(--accent);font-weight:600}
.p-title{margin-top:var(--s4)}
.p-title em{color:var(--accent)}
.p-sub{margin-top:var(--s5);row-gap:var(--s5);align-items:start}
.p-lead{grid-column:1 / span 6}
.p-facts{grid-column:8 / -1;border-top:1px solid var(--rule-2)}
.p-facts div{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:var(--gutter);padding:10px 0;border-bottom:1px solid var(--rule)}
.p-facts dd{margin:0;font-size:var(--t-small);line-height:1.45}
@media (max-width:899px){.p-lead,.p-facts{grid-column:1 / -1}}

/* ---- drawings ---- */
.dw{position:relative}
.dw picture{display:block}
.dw img{width:100%}
.dw.drawing img{mix-blend-mode:var(--draw-blend)}
/* At night a colour drawing is a sheet laid on the blueprint: cartridge paper, the drawing multiplied onto it */
:root[data-theme="blueprint"] .dw.drawing:not(.blueprint) picture{background:var(--card-bg);box-shadow:var(--card-shadow);padding:clamp(10px,2vw,28px)}
:root[data-theme="blueprint"] .dw.drawing:not(.blueprint) img{mix-blend-mode:multiply}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="day"]) .dw.drawing:not(.blueprint) picture{background:var(--card-bg);box-shadow:var(--card-shadow);padding:clamp(10px,2vw,28px)}
  :root:not([data-theme="day"]) .dw.drawing:not(.blueprint) img{mix-blend-mode:multiply}
}
.dw.photo img{box-shadow:0 1px 1px rgba(36,32,28,.08),0 26px 50px -32px rgba(36,32,28,.6)}
.dn{display:grid;grid-template-columns:30px minmax(0,1fr);gap:6px;margin-top:12px;font-size:var(--t-small);line-height:1.45;color:var(--ink-2);max-width:44em}
.dn .mono{color:var(--accent);padding-top:.2em}
.p-hero{padding-bottom:var(--s7)}
.p-hero .dw{max-width:1180px;margin-inline:auto}
.p-hero .dn{margin-inline:auto;max-width:1180px}

/* ---- sections of a sheet ---- */
.p-sec{padding-block:var(--s7)}
.p-sec+.p-sec{position:relative}
.p-sec+.p-sec::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:var(--rule)}
.p-sec-head{align-items:baseline;row-gap:var(--s3);margin-bottom:var(--s5)}
.p-sec-head .label{grid-column:1 / span 3;padding-top:.5em}
.p-sec-head .h2{grid-column:4 / -1;max-width:15em}
.p-sec-head .h2 em{color:var(--accent)}
.p-text{grid-column:4 / span 6;display:grid;gap:1em}
.p-text.wide{grid-column:4 / span 7}
@media (max-width:899px){.p-sec-head .label,.p-sec-head .h2,.p-text,.p-text.wide{grid-column:1 / -1}}
.p-figs{margin-top:var(--s6)}
.p-full{grid-column:1 / -1}
.p-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--s5) var(--gutter);align-items:start}
.p-pair.lr{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.p-pair.rl{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
@media (max-width:899px){.p-pair,.p-pair.lr,.p-pair.rl{grid-template-columns:1fr}}

/* three objects */
.objs{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,3fr) minmax(0,4fr);gap:var(--s6) var(--gutter);align-items:end}
.objs .dw{display:grid;gap:0}
.objs .h3{margin-top:var(--s4)}
.objs p.note{margin-top:8px;max-width:26em}
.objs .lettering{margin-bottom:var(--s3)}
.objs .lettering img{height:clamp(30px,2.6vw,44px)}
@media (max-width:899px){.objs{grid-template-columns:1fr 1fr}.objs>:first-child{grid-column:1 / -1}}

/* palette tie-in */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:var(--s4)}
.chip{display:inline-flex;align-items:center;gap:10px;padding:6px 12px 6px 6px;border:1px solid var(--rule-2);border-radius:999px;font:500 var(--t-label)/1 var(--mono);font-stretch:87.5%;letter-spacing:.06em;text-transform:uppercase}
.chip i{width:22px;height:22px;border-radius:50%;background:var(--c)}

/* ---- the section cutter ---- */
.cutter{display:grid;gap:var(--s4);justify-items:center}
.cut-plan{position:relative;width:min(calc(100% - 28px),calc(92 * var(--svh)),980px);margin-top:28px;margin-left:28px;touch-action:none;user-select:none;-webkit-user-select:none}
.cut-plan .plan{background:var(--sheet);box-shadow:var(--card-shadow)}
.cut-plan .plan img{width:100%;mix-blend-mode:var(--draw-blend);pointer-events:none}
.cut-shade{position:absolute;inset:0;background:color-mix(in srgb,var(--paper) 72%,transparent);pointer-events:none;
  clip-path:inset(0 0 0 0);transition:clip-path .5s var(--turn)}
.cutter.dragging .cut-shade{transition:none}
.blade{position:absolute;z-index:3;cursor:grab;outline:none}
.blade::before{content:"";position:absolute;border:0 dashed var(--accent);opacity:.35;transition:opacity .3s}
.blade.on::before{opacity:1}
.blade.h{left:-28px;right:-14px;height:36px;top:var(--pos);transform:translateY(-50%);cursor:ns-resize}
.blade.h::before{left:28px;right:0;top:50%;border-top-width:2px}
.blade.v{top:-28px;bottom:-14px;width:36px;left:var(--pos);transform:translateX(-50%);cursor:ew-resize}
.blade.v::before{top:28px;bottom:0;left:50%;border-left-width:2px}
.cutter:not(.dragging) .blade{transition:top .55s var(--turn),left .55s var(--turn)}
.blade .grip{position:absolute;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--paper);border:1.5px solid var(--accent);color:var(--accent)}
.blade.h .grip{right:-14px;top:5px}
.blade.v .grip{bottom:-14px;left:5px}
.blade .grip svg{width:12px;height:12px}
.blade.on .grip{background:var(--accent);color:var(--paper)}
.blade:focus-visible .grip{outline:2px solid var(--accent);outline-offset:3px}
.cut-plan .marker{z-index:4}
.cut-view{position:relative;width:100%;height:clamp(220px,calc(38 * var(--svh)),420px);display:grid;place-items:center}
.cut-view figure{position:absolute;inset:0;display:grid;place-items:center;opacity:0;transform:translateY(18px);transition:opacity .45s var(--paper-ease),transform .8s var(--paper-ease);pointer-events:none}
.cut-view figure.on{opacity:1;transform:none}
.cut-view picture{display:contents}
.cut-view img{max-width:100%;max-height:100%;width:auto;height:auto;mix-blend-mode:var(--draw-blend);background:var(--card-bg);padding:var(--card-pad,0)}
:root[data-theme="blueprint"] .cut-view img{--card-pad:10px}
@media (prefers-color-scheme:dark){:root:not([data-theme="day"]) .cut-view img{--card-pad:10px}}
.cut-cap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;width:100%}
.cut-cap .label:first-child{color:var(--ink)}
.cut-help{color:var(--ink-2)}
@media (max-width:899px){.cut-plan{margin-left:24px;width:calc(100% - 38px)}.cut-view{height:clamp(200px,calc(32 * var(--svh)),320px)}}

/* ---- next sheet ---- */
.p-next{border-top:1px solid var(--rule-2);margin-top:var(--s6)}
.p-next a{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:var(--s5);padding-block:var(--s6) var(--s7);text-decoration:none}
.p-next .label{display:block;margin-bottom:var(--s3)}
.p-next .display{transition:color .3s,transform .6s var(--paper-ease)}
/* a tapped link keeps its hover when you come back to the page; only a pointer that can hover gets it */
@media (hover:hover){.p-next a:hover .display{color:var(--accent);transform:translateX(12px)}}
.p-next .peek{width:clamp(140px,22vw,320px);transform:rotate(2deg) translateY(10%);transition:transform .7s var(--paper-ease)}
@media (hover:hover){.p-next a:hover .peek{transform:rotate(-1deg) translateY(0)}}
.p-next .peek{mix-blend-mode:var(--draw-blend)}
.p-next .peek-mark{display:grid;place-items:center;aspect-ratio:4 / 3;color:var(--ink);border:1px solid var(--rule-2);mix-blend-mode:normal}
.p-next .peek-mark .lgm{height:62%;width:auto}
.p-next .peek-du{background:#AE805E;color:#F6EDE8;border-color:#AE805E}
.p-next .peek-du .lgm{height:50%}
/* a phone has no room beside a two-line title: the next drawing hangs below it instead of across it */
@media (max-width:599px){
  .p-next a{grid-template-columns:minmax(0,1fr);gap:var(--s4);padding-block:var(--s6) var(--s5)}
  .p-next .peek{width:min(230px,62vw);justify-self:end}
}
.p-prev{padding-bottom:var(--s5)}
.p-prev a{text-decoration:none;color:var(--ink-2)}
.p-prev a:hover{color:var(--accent)}
.credit{margin-top:var(--s5);color:var(--ink-2)}

/* section markers (shared with the brand book) */
.marker{position:absolute;transform:translate(-50%,-50%);width:38px;height:38px;border-radius:50%;border:1.5px solid var(--accent);background:var(--paper);color:var(--accent);font:600 13px/1 var(--mono);display:grid;place-items:center;cursor:pointer;padding:0;transition:transform .3s var(--settle),background .3s,color .3s}
.marker::after{content:"";position:absolute;width:0;height:0;border:7px solid transparent}
.marker[data-look="up"]::after{border-bottom-color:var(--accent);top:-15px}
.marker[data-look="down"]::after{border-top-color:var(--accent);bottom:-15px}
.marker[data-look="left"]::after{border-right-color:var(--accent);left:-15px}
.marker[data-look="right"]::after{border-left-color:var(--accent);right:-15px}
.marker[aria-pressed="true"]{transform:translate(-50%,-50%) scale(1.1);background:var(--accent);color:var(--paper)}
/* hover only where a pointer can hover: on touch it sticks to the last tap */
@media (hover:hover){.marker:hover{transform:translate(-50%,-50%) scale(1.1);background:var(--accent);color:var(--paper)}}
@media (max-width:599px){.marker{width:30px;height:30px;font-size:11px}}

/* ---- the height cutter: one kitchen, three horizontal cuts ---- */
.hcut{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:var(--s6) calc(var(--gutter) * 2);align-items:center}
.hcut-sec{position:relative;width:min(100%,520px);justify-self:end;margin-left:64px;touch-action:none;user-select:none;-webkit-user-select:none}
.hcut-img img{pointer-events:none}
.hshade{position:absolute;left:0;right:0;top:0;height:var(--y,50%);background:color-mix(in srgb,var(--paper) 66%,transparent);pointer-events:none}
.hblade{position:absolute;left:-10px;right:-18px;top:var(--y,50%);height:36px;transform:translateY(-50%);cursor:ns-resize;z-index:3;outline:none}
.hblade::before{content:"";position:absolute;left:0;right:14px;top:50%;border-top:2px solid var(--accent)}
.hcut:not(.dragging) .hblade,.hcut:not(.dragging) .hshade{transition:top .55s var(--turn),height .55s var(--turn)}
.hblade .grip{position:absolute;right:-8px;top:5px;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--accent);color:var(--paper)}
.hblade .grip svg{width:12px;height:12px}
.hblade:focus-visible .grip{outline:2px solid var(--accent);outline-offset:3px}
.hb-tag{position:absolute;left:0;bottom:calc(50% + 6px);padding:3px 6px 2px;background:var(--accent);color:var(--paper);font-size:11px;white-space:nowrap}
.hb-tag b{font-weight:600}
.hcut-ticks button{position:absolute;left:-64px;top:var(--t);transform:translateY(-50%);border:0;background:none;padding:6px 0;cursor:pointer;
  font:500 11px/1 var(--mono);font-stretch:87.5%;letter-spacing:.04em;color:var(--ink-2)}
.hcut-ticks button::after{content:"";display:inline-block;width:10px;margin-left:6px;vertical-align:middle;border-top:1px solid currentColor}
.hcut-ticks button[aria-pressed="true"],.hcut-ticks button:hover{color:var(--accent)}
.hcut-plans{display:grid}
.hcut-plans figure{grid-area:1 / 1;opacity:0;transform:translateY(14px);transition:opacity .45s var(--paper-ease),transform .8s var(--paper-ease);pointer-events:none}
.hcut-plans figure.on{opacity:1;transform:none;pointer-events:auto}
.hcut-plans img{max-height:min(calc(72 * var(--svh)),720px);width:auto;max-width:100%;margin-inline:auto}
.hcut-plans figcaption{margin-top:12px;text-align:center;color:var(--ink)}
/* on phones the section sits after its 64px tag column and leaves room on the right for the blade's grip (26px past the edge) */
@media (max-width:899px){.hcut{grid-template-columns:1fr}.hcut-sec{justify-self:start;width:calc(100% - 94px)}.hcut-plans img{max-height:calc(60 * var(--svh))}}

/* ---- Basic Design: six sub-sheets ---- */
.ss-index{border-top:0}
.ss-index ol{border-top:1px solid var(--rule-2)}
.ss-index a{display:grid;grid-template-columns:44px minmax(0,1fr) auto;gap:10px;align-items:baseline;padding:9px 0;border-bottom:1px solid var(--rule);text-decoration:none}
.ss-index .t{font:400 var(--t-body)/1.25 var(--serif)}
.ss-index .k{color:var(--ink-2)}
.ss-index a:hover .t{color:var(--accent)}
.ss{padding-block:var(--s7);border-top:1px solid var(--rule)}
.ss-head{display:grid;gap:var(--s3);margin-bottom:var(--s5)}
.ss-head .label b{color:var(--accent);font-weight:600}
.ss-head .display em{color:var(--accent)}
.ss-body{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:var(--s5) calc(var(--gutter) * 2);align-items:start}
.ss-r .ss-body{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
.ss-r .ss-body>figure{order:2}
.ss-text{display:grid;gap:1em;max-width:30em;padding-top:var(--s2)}
@media (min-width:900px){.ss-text{position:sticky;top:var(--s7)}}
.ss-text cite{font-style:italic}
.ss-body>figure img{max-height:calc(78 * var(--svh));width:auto;max-width:100%}
.ss-strip{display:flex;gap:var(--gutter);margin-top:var(--s6);align-items:flex-start}
.ss-strip figure{flex:var(--ar,1) 1 0%;min-width:0}
.ss-strip .dn{grid-template-columns:24px minmax(0,1fr);font-size:13px}
@media (max-width:899px){
  .ss-body,.ss-r .ss-body{grid-template-columns:1fr}
  .ss-r .ss-body>figure{order:0}
  .ss-strip{overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:var(--s3);margin-inline:calc(-1 * (var(--margin) + 6px));padding-inline:calc(var(--margin) + 6px)}
  .ss-strip figure{flex:0 0 auto;width:calc(var(--ar,1) * 44vw);max-width:78vw;scroll-snap-align:start}
}
.pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:var(--s4)}
.pill{border:1px solid var(--rule-2);background:none;border-radius:999px;padding:9px 14px 8px;cursor:pointer;
  font:500 var(--t-label)/1 var(--mono);font-stretch:87.5%;letter-spacing:.08em;text-transform:uppercase;color:var(--ink);transition:background .3s,color .3s,border-color .3s}
.pill:hover{border-color:var(--accent);color:var(--accent)}
.pill[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--paper)}
/* swap: the same composition in three colour schemes */
.swap{margin-top:var(--s7);align-items:center;row-gap:var(--s5)}
.swap-text{grid-column:1 / span 4;display:grid;gap:10px;align-content:center}
.swap-stage{grid-column:6 / span 5;display:grid;justify-items:center}
.swap-f{grid-area:1 / 1;opacity:0;transform:scale(.98);transition:opacity .5s var(--paper-ease),transform .8s var(--paper-ease)}
.swap-f.on{opacity:1;transform:none}
.swap-f img{max-height:calc(62 * var(--svh));width:auto;box-shadow:0 1px 1px rgba(36,32,28,.08),0 26px 50px -32px rgba(36,32,28,.6)}
@media (max-width:899px){.swap-text,.swap-stage{grid-column:1 / -1}}
/* turn: drag through the globe's photographs */
.turn{width:fit-content;max-width:100%;margin-inline:auto}   /* the caption and its dots run the photo's width, not the column's */
.turn-stage{display:grid;cursor:grab;touch-action:pan-y;user-select:none;-webkit-user-select:none;outline:none}
.turn-stage:active{cursor:grabbing}
.turn-stage:focus-visible{outline:2px solid var(--accent);outline-offset:6px}
.turn-f{grid-area:1 / 1;display:grid;place-items:center;opacity:0;transition:opacity .35s var(--paper-ease)}
.turn-f.on{opacity:1}
.turn-f img{max-height:calc(70 * var(--svh));width:auto;max-width:100%;pointer-events:none}
.turn-cap{display:flex;align-items:center;justify-content:space-between;gap:var(--s4);margin-top:14px}
.turn-dots{display:flex;gap:6px}
.turn-dots i{width:22px;height:2px;background:var(--rule-2);transition:background .3s}
.turn-dots i.on{background:var(--accent)}
/* field: the tile, laid nine times */
.field-stage{display:grid;grid-template-columns:repeat(var(--n,1),1fr);gap:0;aspect-ratio:1;max-height:calc(72 * var(--svh));margin-inline:auto}
.field-stage picture{display:block}
.field-stage img{width:100%;height:100%;object-fit:cover}
.field.laid .field-stage img{box-shadow:none}
.field-stage .ghost{opacity:0;transform:translateY(-14px) rotate(-2deg);animation:lay .7s var(--settle) forwards;animation-delay:calc(var(--k) * 70ms)}
@keyframes lay{to{opacity:1;transform:none}}
.field-cap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px var(--s4);margin-top:12px}
.field-cap .dn{margin-top:0}
@media (prefers-reduced-motion:reduce){.field-stage .ghost{animation:none;opacity:1;transform:none}}

/* ---- about: results and the hand ---- */
.a-res{border-top:1px solid var(--rule-2);max-width:980px;margin-left:calc((100% + var(--gutter)) / 12 * 3)}
.a-row{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,7fr);gap:var(--gutter);align-items:baseline;padding:14px 0;border-bottom:1px solid var(--rule)}
.a-hd{padding:10px 0}
.a-pos{font:300 var(--t-h3)/1.1 var(--serif);color:var(--accent)}
.a-for{font:400 var(--t-body)/1.35 var(--serif)}
.a-hand figure{max-width:420px;justify-self:center;width:100%}
.a-links{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:var(--s3)}
.a-links a{color:var(--accent);text-decoration:none;border-bottom:1px solid currentColor;padding-bottom:3px}
@media (max-width:899px){.a-res{margin-left:0}}
.nf{min-height:calc(72 * var(--svh))}
.nf-links{border-top:0;align-content:start}
.a-hand .p-text{max-width:34em}

/* ---- tall plans in the cutter (a site plan taller than wide) and long strips ---- */
.cutter.tall .cut-plan{width:min(calc(100% - 28px),calc(44 * var(--svh)),520px)}
.cutter.tall .cut-view{height:clamp(150px,calc(26 * var(--svh)),300px)}
@media (max-width:899px){.cutter.tall .cut-plan{width:min(calc(100% - 38px),calc(46 * var(--svh)))}}
.strips{display:grid;gap:var(--s6)}

/* ---- steps: her form development, one move per screen of scroll ---- */
.steps{display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);gap:var(--s5) calc(var(--gutter) * 2);align-items:start}
.steps-stage{position:sticky;top:max(calc(var(--frame-in) + 12px),calc(50 * var(--svh) - 30vw * .5));display:grid;grid-template-columns:minmax(0,1fr);gap:14px;background:var(--paper)}
.steps-stage figure{grid-area:1 / 1;display:grid;place-items:center;aspect-ratio:3 / 2;margin:0;mix-blend-mode:var(--draw-blend)}
.steps-stage picture{display:contents}
.steps-stage img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain}
.js .steps-stage figure{opacity:0;transform:translateY(10px) scale(.985);transition:opacity .5s var(--paper-ease),transform .8s var(--paper-ease)}
.js .steps-stage figure.on{opacity:1;transform:none}
.steps-n{grid-row:2;display:flex;align-items:center;gap:14px}
.steps-n b{color:var(--accent);font-weight:600}
.steps-bar{display:flex;gap:6px}
.steps-bar i{width:22px;height:2px;background:var(--rule-2);transition:background .3s}
.steps-bar i.on{background:var(--accent)}
.steps-list{list-style:none;margin:0;padding:calc(12 * var(--svh)) 0 calc(18 * var(--svh))}
.steps-list li{min-height:calc(56 * var(--svh));display:grid;align-content:center;gap:10px;padding-left:18px;border-left:1px solid var(--rule);transition:border-color .4s}
.steps-list .mono{color:var(--ink-2)}
.steps-list .h3,.steps-list .note{transition:color .4s,opacity .4s}
/* the steps not in play step back in colour rather than fading out, so every line stays readable */
.js .steps-list li:not(.on) .h3{color:var(--ink-2)}
.js .steps-list li:not(.on) :is(.note,.mono){opacity:.9}
.js .steps-list li.on{opacity:1;border-left-color:var(--accent)}
.steps-list li.on .mono{color:var(--accent)}
html:not(.js) .steps-stage{position:static}
html:not(.js) .steps-stage figure{grid-area:auto}
html:not(.js) .steps-n{display:none}
@media (max-width:899px){
  .steps{grid-template-columns:1fr;gap:0}
  .steps-stage{top:8px;z-index:2;background:var(--paper);padding:8px 0 10px;box-shadow:0 14px 18px -16px rgba(0,0,0,.25)}
  .steps-stage figure{aspect-ratio:16 / 10;max-height:calc(34 * var(--svh));width:100%}
  .steps-list{padding:calc(6 * var(--svh)) 0 calc(10 * var(--svh))}
  .steps-list li{min-height:calc(44 * var(--svh))}
}
@media (prefers-reduced-motion:reduce){.js .steps-stage figure{transition:opacity .2s}}

/* ---- stack: a building's floors, top to bottom ---- */
.stack{max-width:980px;margin-left:calc((100% + var(--gutter)) / 12 * 3);border-top:1px solid var(--rule-2)}
.stack-f{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,7fr);gap:var(--gutter);align-items:baseline;padding:16px 0;border-bottom:1px solid var(--rule)}
.stack-f .mono{color:var(--accent)}
.stack-f span:last-child{font:400 var(--t-body)/1.4 var(--serif)}
.stack-f.g{border-bottom:3px double var(--rule-2)}
@media (max-width:899px){.stack{margin-left:0}.stack-f{grid-template-columns:1fr;gap:4px}}
/* the swap, used for drawings: no paper shadow, ink multiplies */
.swap.dws .swap-stage{grid-column:5 / -1}
.swap.dws .swap-f img{box-shadow:none;max-height:calc(70 * var(--svh))}
@media (max-width:899px){.swap.dws .swap-stage{grid-column:1 / -1}}

/* ---- Basic Design: the six studies at a glance ---- */
/* the six models stand under the title, so the first screen of a sheet about making things shows the things */
.bd-six{display:flex;gap:var(--gutter);align-items:flex-end;margin-top:var(--s5)}
.bd-c{flex:var(--ar) 1 0%;min-width:0;display:grid;gap:10px;text-decoration:none;transition:transform .6s var(--paper-ease)}
.bd-c picture{display:block}
.bd-c img{width:100%;height:auto;box-shadow:0 1px 1px rgba(36,32,28,.08),0 22px 40px -26px rgba(36,32,28,.6)}
.bd-c .mono{color:var(--accent)}
@media (hover:hover){.bd-c:hover{transform:translateY(-6px)}}
@media (max-width:899px){.bd-six{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));align-items:end}}


/* ---- pieces lifted off a sheet ---- */
/* A lifted piece blends as one with whatever it sits on (the reveal isolates it otherwise).
   An .on-sheet board stays paper at night: pinned to the blueprint, with day ink inside. */
.lift{mix-blend-mode:var(--draw-blend)}
.on-sheet .fig{overflow:hidden}   /* lets aspect-ratio hold against a tall drawing */
.on-sheet .fig picture{display:block;width:100%;height:100%}
.on-sheet .fig img{width:100%;height:100%;object-fit:contain}
:root[data-theme="blueprint"] .on-sheet{--paper:#F3EFE6;--ink:#24201C;--ink-2:#5E574E;--rule:rgba(36,32,28,.16);--rule-2:rgba(36,32,28,.32);--accent:#B24441;--draw-blend:multiply;
  background:var(--paper);color:var(--ink);box-shadow:var(--card-shadow);padding:clamp(16px,3vw,44px)}
@media (prefers-color-scheme:dark){:root:not([data-theme="day"]) .on-sheet{--paper:#F3EFE6;--ink:#24201C;--ink-2:#5E574E;--rule:rgba(36,32,28,.16);--rule-2:rgba(36,32,28,.32);--accent:#B24441;--draw-blend:multiply;
  background:var(--paper);color:var(--ink);box-shadow:var(--card-shadow);padding:clamp(16px,3vw,44px)}}

/* ---- Atelier Cafe: the concept sheet, unpacked ---- */
.ac-def{align-items:end;row-gap:var(--s5);margin-bottom:var(--s6)}
.ac-def .lettering{grid-column:1 / span 5}
.ac-def .lettering img{width:min(100%,420px)}
.ac-entry{grid-column:7 / -1;border-top:1px solid var(--rule-2);padding-top:var(--s4)}
.ac-entry dt{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 18px}
.ac-entry dt .display{color:var(--accent)}
.ac-entry .lead{margin-top:var(--s3)}
.ac-entry .note{margin-top:var(--s3);max-width:32em}
@media (max-width:899px){.ac-def .lettering,.ac-entry{grid-column:1 / -1}}

/* seven crafts: a specimen drawer */
.ac-crafts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--rule-2);border-left:1px solid var(--rule)}
.ac-craft{display:flex;flex-direction:column;padding:var(--s4) var(--s4) var(--s5);border-right:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.ac-craft .fig{aspect-ratio:5 / 4;padding:4% 8%;margin-bottom:var(--s4)}
.ac-craft .mono{color:var(--accent)}
.ac-craft .h3{margin-top:6px}
.ac-craft .note{margin-top:4px}
.ac-says{justify-content:flex-end;gap:var(--s3)}
.ac-says .mono{color:var(--ink-2)}
.ac-says .display{font-size:clamp(1.75rem,1rem + 2.2vw,3rem);line-height:1.02;color:var(--accent)}
.ac-crafts .rv{transition-delay:calc(var(--i,0) % 4 * 80ms)}
@media (max-width:699px){.ac-crafts{grid-template-columns:repeat(2,minmax(0,1fr))}.ac-crafts .rv{transition-delay:calc(var(--i,0) % 2 * 80ms)}.ac-craft{padding:var(--s3) var(--s3) var(--s4)}}

/* craft to café: a schedule, as on a working drawing */
.ac-sched{border-top:1px solid var(--rule-2)}
.ac-row{display:grid;grid-template-columns:3rem minmax(64px,118px) minmax(0,3fr) minmax(40px,1.3fr) minmax(96px,190px) minmax(0,4fr);
  grid-template-areas:"no ff ft ar tf tt";column-gap:var(--gutter);align-items:center;padding-block:var(--s4);border-bottom:1px solid var(--rule)}
.ac-from,.ac-to{display:contents}
.ac-no{grid-area:no;align-self:start;padding-top:.3em;color:var(--accent)}
.ac-from .fig{grid-area:ff}.ac-from p{grid-area:ft}
.ac-to .fig{grid-area:tf}.ac-to p{grid-area:tt}
.ac-row .fig{aspect-ratio:1}
.ac-row p .h3,.ac-row p .note{display:block}
.ac-row p .note{margin-top:4px;max-width:24em}
.ac-row p a{color:var(--accent)}
.ac-arrow{grid-area:ar;position:relative;height:1px;background:var(--accent);transform-origin:left center;transform:scaleX(0);transition:transform 1s var(--paper-ease) .35s}
.ac-arrow::after{content:"";position:absolute;right:0;top:-4px;width:8px;height:8px;border-top:1px solid var(--accent);border-right:1px solid var(--accent);transform:rotate(45deg);transform-origin:center}
.ac-row.in .ac-arrow{transform:none}
.ac-head{padding-block:10px;border-bottom-color:var(--rule-2)}
.ac-head span:nth-child(1){grid-area:no}.ac-head span:nth-child(2){grid-column:2 / 4}.ac-head span:nth-child(3){grid-area:ar;height:auto;background:none}.ac-head span:nth-child(4){grid-column:5 / 7}
@media (prefers-reduced-motion:reduce){.ac-arrow{transform:none;transition:none}}
@media (max-width:699px){
  .ac-head{display:none}
  .ac-row{grid-template-columns:minmax(0,1fr) 34px minmax(0,1.25fr);grid-template-areas:"no no no" "ff ar tf" "ft . tt";row-gap:var(--s3);column-gap:10px;align-items:start}
  .ac-no{padding-top:0}
  .ac-arrow{align-self:center}
  .ac-arrow::after{width:6px;height:6px;top:-3px}
  .ac-row .fig{aspect-ratio:4 / 3}
}

/* wabi-sabi objects, at the scale she drew them */
.ac-shelf{display:flex;align-items:flex-end;flex-wrap:wrap;--k:clamp(.8px,.12vw + .45px,2px)}
.ac-obj{flex:1 1 auto;display:flex;flex-direction:column;align-items:stretch;padding-inline:var(--s3)}
.ac-obj .fig{overflow:visible;display:flex;justify-content:center;align-items:flex-end;padding-bottom:var(--s3);border-bottom:1px solid var(--ink-2)}
.ac-obj .fig picture{width:auto;height:auto}
.ac-obj .fig img{width:auto;height:calc(var(--h) * var(--k));max-width:100%;object-fit:contain}
.ac-obj .mono{padding-top:10px;min-height:3.2em;text-align:center}
.ac-shelf .rv{transition-delay:calc(var(--i,0) * 90ms)}
@media (max-width:599px){.ac-shelf{row-gap:var(--s5)}.ac-obj{flex:1 1 44%;padding-inline:6px}.ac-shelf{--k:.9px}}

/* materials and palette: a sample board, read like a legend */
.ac-board-h{display:flex;flex-wrap:wrap;justify-content:space-between;gap:6px 18px;padding-bottom:10px;border-bottom:1px solid var(--rule-2);margin-bottom:var(--s5)}
.ac-mats,.ac-pal{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,10fr);column-gap:var(--gutter);align-items:start}
.ac-mats>.label,.ac-pal>.label{padding-top:.4em}
.ac-mats ul{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gutter)}
.ac-pal{margin-top:var(--s5);padding-top:var(--s5);border-top:1px solid var(--rule)}
.ac-pal ul{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:var(--gutter)}
.ac-mats .fig,.ac-pal .fig{aspect-ratio:1}
.ac-mats .h3{margin-top:10px;text-align:center}
.ac-pal .mono{margin-top:8px;text-align:center;font-size:clamp(.6rem,.55rem + .2vw,.72rem)}
.ac-pal .mono b{color:var(--accent);font-weight:600}
.ac-board .rv{transition-delay:calc(var(--i,0) * 60ms)}
@media (max-width:699px){
  .ac-mats,.ac-pal{grid-template-columns:1fr;row-gap:var(--s3)}
  .ac-pal ul{grid-template-columns:repeat(4,minmax(0,1fr));row-gap:var(--s4)}
}

/* the menu card */
.ac-menu{max-width:980px;margin-inline:auto;background:var(--sheet);border:1px solid var(--rule);padding:clamp(20px,4vw,56px);box-shadow:0 1px 1px rgba(36,32,28,.05),0 30px 60px -44px rgba(36,32,28,.5)}
.ac-menu-h{display:grid;justify-items:center;gap:var(--s3);text-align:center;padding-bottom:var(--s4);border-bottom:1px solid var(--rule);margin-bottom:var(--s5)}
.ac-menu-h .display{font-size:clamp(2.2rem,1.4rem + 3vw,4rem);color:var(--accent)}
.ac-dishes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--gutter)}
.ac-dishes .fig{aspect-ratio:1;padding:6%}
.ac-dishes .h3{margin-top:8px;text-align:center}
.ac-dishes .rv{transition-delay:calc(var(--i,0) * 80ms)}
.ac-serve{display:flex;align-items:center;justify-content:center;gap:var(--s4);margin-top:var(--s5);padding-top:var(--s4);border-top:1px solid var(--rule)}
.ac-serve .fig{width:clamp(80px,12vw,140px);aspect-ratio:1}
@media (max-width:599px){.ac-dishes{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:var(--s4)}.ac-serve{flex-direction:column;text-align:center}}
.ac-whole{margin-top:var(--s7)}

/* ---- Studio Apartment: the shell, moved into; the floor legend, unpacked ---- */
.sa-cover img{width:100%}
.furnish,.floor{margin-top:var(--s6)}
.fn-stage{position:relative;aspect-ratio:1800 / 883;cursor:ew-resize;touch-action:pan-y;user-select:none;-webkit-user-select:none;outline-offset:8px}
.fn-stage picture{position:absolute;inset:0}
.fn-stage img{display:block;width:100%;height:100%;-webkit-user-drag:none}
.fn-b{position:absolute;inset:0;clip-path:inset(0 calc(100% - var(--x)) 0 0)}
.fn-handle{position:absolute;top:-10px;bottom:-10px;left:var(--x);border-left:1.5px solid var(--accent);pointer-events:none}
.fn-handle svg{position:absolute;top:50%;left:0;width:36px;height:36px;max-width:none;padding:10px;transform:translate(-50%,-50%);border-radius:50%;
  background:var(--paper);color:var(--accent);border:1.5px solid var(--accent);transition:transform .3s var(--paper-ease)}
.fn-stage:active .fn-handle svg{transform:translate(-50%,-50%) scale(1.12)}
.fn-cap,.fl-cap{display:flex;justify-content:space-between;gap:var(--s4);margin-top:var(--s4);color:var(--ink-2)}
.fn-cap b,.fl-cap b{color:var(--accent);font-weight:inherit;margin-right:.6em}

.fl-plan{position:relative}
/* on a phone the plan holds at the top while the legend passes under it, so a picked floor shows */
@media (max-width:899px){.floor .fl-plan{position:sticky;top:10px;z-index:2;background:var(--paper);box-shadow:0 10px 12px -10px var(--paper)}}
.floor>*{max-width:1080px;margin-inline:auto}
.fl-plan picture,.fl-plan img{display:block;width:100%;height:auto}
.fl-z{position:absolute;inset:0;width:100%;height:100%}
.fl-z g{opacity:0;transition:opacity .45s var(--paper-ease)}
.fl-z .veil{fill:#fff;fill-opacity:.74;pointer-events:none}
.fl-z .edge{fill:none;stroke:var(--accent);stroke-width:1.5;vector-effect:non-scaling-stroke;pointer-events:none}
.fl-z .hit{fill:transparent;cursor:pointer}
.floor[data-on="white"] g[data-z="white"],.floor[data-on="terra"] g[data-z="terra"],
.floor[data-on="wood"] g[data-z="wood"],.floor[data-on="porc"] g[data-z="porc"]{opacity:1}
.fl-key{--u:4.2px;list-style:none;margin-top:var(--s5);padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--s5) var(--s4)}
.fl-key button{all:unset;box-sizing:border-box;display:grid;align-content:start;gap:3px;width:100%;cursor:pointer;padding-top:var(--s3);border-top:1px solid var(--rule-2);transition:border-color .3s}
.fl-key button:focus-visible{outline:1.5px solid var(--accent);outline-offset:6px}
.fl-s{display:flex;align-items:flex-end;height:calc(36 * var(--u));margin-bottom:var(--s3)}
.fl-s picture{display:block;width:calc(var(--w) * var(--u));transition:transform .5s var(--paper-ease)}
.fl-s img{display:block;width:100%;height:auto}
.fl-key .mono{color:var(--ink-2)}
.fl-key .note{color:var(--ink-2)}
@media (hover:hover){.fl-key button:hover .fl-s picture{transform:translateY(-6px)}}
.fl-key button[aria-pressed="true"],
.floor[data-on="white"] button[data-z="white"],.floor[data-on="terra"] button[data-z="terra"],
.floor[data-on="wood"] button[data-z="wood"],.floor[data-on="porc"] button[data-z="porc"]{border-color:var(--accent)}
.floor[data-on="white"] button[data-z="white"] .h3,.floor[data-on="terra"] button[data-z="terra"] .h3,
.floor[data-on="wood"] button[data-z="wood"] .h3,.floor[data-on="porc"] button[data-z="porc"] .h3{color:var(--accent)}
.floor[data-on="white"] button[data-z="white"] .fl-s picture,.floor[data-on="terra"] button[data-z="terra"] .fl-s picture,
.floor[data-on="wood"] button[data-z="wood"] .fl-s picture,.floor[data-on="porc"] button[data-z="porc"] .fl-s picture{transform:translateY(-6px)}
@media (max-width:699px){
  .fl-key{--u:3.6px;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--s5) var(--s3)}
  .fn-handle svg{width:32px;height:32px;padding:9px}
  .fn-cap,.fl-cap{flex-direction:column;gap:4px}
}
@media (prefers-reduced-motion:reduce){.fl-z g,.fl-s picture{transition:none}}