/* Presentation surfaces: one message at a time; complete sources remain in readers. */
#presentation>.slide.focus-slide.active{display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:22px;height:100dvh;min-height:0;padding:66px clamp(28px,5vw,84px) 140px;overflow:hidden;background:var(--paper);color:var(--ink);animation:none;opacity:1}
#presentation>.slide.focus-slide .scene-heading{margin:0;gap:20px;align-items:center;justify-content:space-between;min-width:0}
#presentation>.slide.focus-slide .scene-heading h2{font:500 clamp(38px,3.9vw,56px)/1.2 var(--serif);letter-spacing:-.05em;margin:0}
#presentation>.slide.focus-slide:is(.projects-slide,.materials-slide,.result-slide,.atlas-story-slide).active{grid-template-rows:auto auto minmax(0,1fr) auto}
#presentation>.slide.use-slide.active{grid-template-rows:auto minmax(0,1fr)}
.focus-stage{min-width:0;min-height:0;display:flex;align-items:center;justify-content:center}
.focus-stage>*{animation:focus-arrive .18s both}
.focus-tabs,.story-stages{display:flex;gap:30px;align-items:center;overflow-x:auto;margin:0;padding:0;border-bottom:1px solid var(--line);scrollbar-width:thin}
.focus-tabs button,.story-stages button{position:relative;flex-shrink:0;min-height:42px;border:0;background:transparent;padding:8px 0 12px;color:var(--muted);font:600 16px var(--sans);cursor:pointer;white-space:nowrap}
.focus-tabs [aria-current=step],.story-stages [aria-current=true]{color:var(--ink)}
.focus-tabs [aria-current=step]::after,.story-stages [aria-current=true]::after{content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--coral)}
.focus-actions{display:flex;align-items:center;gap:24px;min-width:0;margin:0;padding:0;min-height:44px}
.focus-actions .text-button{font-size:15px;font-weight:550;min-height:40px}
.focus-actions .button{min-height:44px;font-size:15px;padding:10px 18px}
.focus-actions output{margin-left:auto;font-size:14px;color:var(--muted);white-space:nowrap}
.focus-actions button:disabled{opacity:.35;cursor:default}
.focus-kicker{font:600 17px/1.5 var(--sans);margin:0 0 22px;color:var(--muted);letter-spacing:0}
.focus-stage h3{font:650 clamp(34px,3.6vw,54px)/1.35 var(--sans);letter-spacing:-.045em;word-break:keep-all;margin:0 0 28px}
.focus-main-copy{font:clamp(26px,2.1vw,34px)/1.55 var(--sans);letter-spacing:-.035em;word-break:keep-all;margin:0}
.focus-footnote{font:20px/1.6 var(--sans);color:var(--muted);margin:30px 0 0;word-break:keep-all}
.focus-statement{width:100%;max-width:1160px;min-width:0}
.focus-flow{display:flex;align-items:center;gap:24px;margin-top:36px;flex-wrap:wrap}
.focus-flow span{font:600 clamp(24px,2.1vw,32px)/1.5 var(--sans);letter-spacing:-.035em;word-break:keep-all}
.focus-flow i{font:24px var(--sans);color:var(--coral);font-style:normal}
.focus-links{display:flex;gap:20px;align-items:center;flex-wrap:wrap;margin-top:28px}
.focus-links :is(.text-link,.text-button){font:600 17px/1.5 var(--sans);min-height:38px;display:inline-flex;align-items:center;padding:4px 0}
.focus-tabs button:focus-visible,.image-expand:focus-visible,.focus-reader summary:focus-visible{outline:3px solid var(--coral);outline-offset:4px}
.build-focus{display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
#presentation .build-focus h3{font-size:clamp(44px,5vw,76px);font-weight:600}
.build-keywords{display:flex;gap:28px;flex-wrap:wrap;margin-top:30px;font:650 24px/1.5 var(--sans);color:var(--muted)}
.build-keywords span+span{border-left:1px solid var(--line);padding-left:28px}
.build-slide .focus-actions{justify-content:flex-end}
.build-slide .focus-actions>:first-child{margin-right:auto}
#project-showcase{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);gap:48px;align-items:center}
#project-showcase h3{font-size:clamp(40px,4.8vw,68px)}
.showcase-copy{min-width:0}
.focus-figure{margin:0;min-width:0;min-height:0;width:100%;height:100%;display:flex;flex-direction:column;gap:10px;align-self:stretch}
.image-expand{position:relative;min-width:0;min-height:0;flex:1;display:block;border:1px solid var(--line);background:transparent;padding:0;cursor:zoom-in;overflow:hidden;width:100%;height:100%}
.image-expand img{display:block;width:100%;height:100%;object-fit:contain}
.image-expand>span{position:absolute;right:8px;bottom:8px;font:13px var(--sans);color:var(--ink);background:var(--paper);padding:8px 10px;border:1px solid var(--line)}
.focus-figure figcaption{font:13px/1.5 var(--sans);color:var(--muted);margin:0;word-break:keep-all}
#case-class{min-height:0;display:grid;grid-template-rows:auto auto minmax(0,1fr) auto;gap:20px}
#presentation .sixplus-heading{margin:0;min-width:0;gap:20px}
#presentation .sixplus-heading h3{font-size:28px}
#presentation .sixplus-heading .text-link{font-size:15px}
#sixplus-view .focus-statement>.text-button{margin-top:28px;font-size:16px;min-height:42px}
#material-view.has-focus-image{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:44px;align-items:center}
.material-focus-copy h3{font-size:clamp(30px,3vw,44px)}
.material-focus-copy .focus-links{gap:16px}
.focus-quote{width:100%;max-width:1180px;min-width:0;max-height:100%;padding:32px 44px;background:var(--color-dark);color:var(--color-light-text);border:1px solid var(--color-dark-rule);overflow:hidden}
.focus-quote.is-assistant{background:var(--paper-deep);color:var(--ink);border-color:var(--line)}
.focus-quote>header{display:flex;gap:20px;justify-content:space-between;align-items:center;font:15px var(--sans);margin:0 0 24px;color:var(--color-dark-muted)}
.focus-quote.is-assistant>header{color:var(--muted)}
.focus-quote>header b{font-weight:600}
.focus-quote>header span{font-size:13px;white-space:nowrap}
.focus-quote blockquote{font:clamp(27px,2.35vw,36px)/1.6 var(--sans);letter-spacing:-.03em;white-space:pre-wrap;word-break:keep-all;overflow-wrap:anywhere;margin:0;border:0;padding:0}
.focus-quote blockquote strong{font-weight:650}
.focus-quote blockquote code{font:inherit}
.focus-quote .chat-keyword{background:var(--acid);color:var(--ink);padding:0 3px;cursor:help;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.focus-quote .chat-keyword:focus-visible{outline:2px solid var(--coral);outline-offset:4px}
.focus-origin{font:12px/1.5 var(--sans);margin:20px 0 0;color:var(--muted)}
.is-user .focus-origin{color:var(--color-dark-muted)}
.quote-omission{color:var(--muted)}
.focus-facts{margin:28px 0 0;border-top:1px solid var(--ink)}
.focus-facts>div{display:grid;grid-template-columns:150px minmax(0,1fr);gap:30px;padding:16px 0;border-bottom:1px solid var(--line)}
.focus-facts dt{font:600 22px/1.5 var(--sans)}
.focus-facts dd{font:clamp(26px,2.2vw,34px)/1.5 var(--sans);margin:0;word-break:keep-all}
.focus-image-evidence{width:100%;height:100%;min-height:0;display:flex;flex-direction:column}
.focus-image-evidence .focus-kicker{font-size:14px;margin:0 0 12px}
.focus-image-evidence .focus-figure{flex:1;min-height:0}
#presentation .story-controls{gap:18px;min-height:44px;padding:0}
#presentation .story-controls .text-button{font-size:14px;min-height:40px}
#presentation .story-controls label{max-width:40%;margin-left:auto;min-width:0}
#presentation .story-controls .story-scene-select{font-size:13px;min-height:40px}
#presentation .story-controls .conversation-next{font-size:14px;padding:10px 14px;min-height:44px}
#presentation .story-project-link{font-size:14px;white-space:nowrap}
#presentation .result-focus{align-items:center;justify-content:flex-start}
#presentation .result-focus h3{max-width:1080px;font-size:clamp(38px,4.1vw,60px);margin-bottom:28px}
.result-slide .focus-actions #saved-result-address{margin:0 auto 0 0;font:15px/1.5 var(--sans);color:var(--muted);max-width:50%;overflow-wrap:anywhere}
#presentation .closing-question{font:500 clamp(42px,5vw,76px)/1.4 var(--serif);letter-spacing:-.05em;margin:0;align-self:center;word-break:keep-all}
#presentation .closing-footer{margin:0;align-items:center;gap:24px}
#presentation .closing-footer p{color:var(--muted)}
#presentation .closing-footer p b{color:var(--ink)}
#presentation .hero-slide{height:100dvh;min-height:0;box-sizing:border-box;padding:clamp(28px,5vh,64px) clamp(22px,5vw,96px) 152px;overflow-y:auto}
#presentation .hero-stage{flex-shrink:0;width:100%;margin-block:auto}
#presentation .hero-slide h1{font-size:clamp(42px,min(6.5vw,11vh),104px);line-height:1.12;margin:18px 0 30px}
#presentation .hero-footer{display:flex;flex-direction:row;align-items:center;flex-wrap:wrap;gap:24px 32px;max-width:none;margin:0}
#presentation .hero-footer .speaker{position:static;margin:0;font-size:16px;line-height:1.6;color:var(--paper)}
.context-brief{margin:0;border-top:1px solid var(--ink)}
.context-brief>div{display:grid;grid-template-columns:130px minmax(0,1fr);gap:30px;align-items:baseline;padding:20px 0;border-bottom:1px solid var(--line)}
.context-brief dt{font:600 20px/1.5 var(--sans);color:var(--muted)}
.context-brief dd{margin:0;font:clamp(23px,2.2vw,32px)/1.5 var(--sans);letter-spacing:-.035em;word-break:keep-all}
@media(max-width:900px){
 #presentation .hero-slide{padding-bottom:166px}
 #presentation .hero-slide h1{font-size:clamp(42px,9.5vw,76px)}
 #presentation .hero-footer{flex-direction:column;align-items:flex-start;gap:22px}
 #presentation .hero-footer .speaker{font-size:14px}
 .context-brief>div{grid-template-columns:1fr;gap:8px;padding:18px 0}
 .context-brief dt{font-size:16px}
 .context-brief dd{font-size:23px}
}
.focus-reader{width:min(1100px,calc(100vw - 32px));max-height:calc(100dvh - 32px);padding:28px;background:var(--paper);color:var(--ink);border:1px solid var(--ink);box-shadow:none;overflow:auto}
.focus-reader>header{position:sticky;top:-28px;z-index:2;display:flex;gap:24px;align-items:center;justify-content:space-between;background:var(--paper);padding:16px 0 20px;border-bottom:1px solid var(--line);margin-bottom:24px}
.focus-reader>header h2{font:650 28px/1.4 var(--sans);margin:0;letter-spacing:-.035em}
.focus-reader>header .modal-close{position:static;flex-shrink:0}
.focus-reader .reader-note{font:16px/1.7 var(--sans);color:var(--muted);margin:20px 0}
#build-prompt{font:20px/1.8 var(--sans);white-space:pre-wrap;word-break:keep-all;overflow-wrap:anywhere;margin:24px 0;padding:0}
#gallery-dialog .gallery-controls{position:static;display:flex;gap:16px;flex-wrap:wrap;margin:16px 0;background:transparent}
#gallery-dialog .filter-row{gap:8px;flex-wrap:wrap}
#gallery-dialog .project-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;max-width:none}
#gallery-dialog .project-card-copy{padding:18px}
#gallery-dialog .project-card h3{font-size:27px}
#gallery-dialog .project-description{font:16px/1.6 var(--sans)}
#gallery-dialog .project-thumb{max-height:220px}
#sixplus-overview-dialog .sixplus-scene{margin:32px 0;animation:none}
#sixplus-overview-dialog .sixplus-scene h4{font-size:26px}
#sixplus-overview-dialog .sixplus-scene p{font-size:17px}
#sixplus-overview-dialog .sixplus-feature-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;margin-top:24px}
#sixplus-overview-dialog .sixplus-feature-group{padding-top:12px;border-top:1px solid var(--line)}
#sixplus-overview-dialog .sixplus-feature-group header{display:flex;gap:16px;align-items:center;justify-content:space-between}
#sixplus-overview-dialog .sixplus-feature-group h4{font:650 22px var(--sans);margin:0}
#sixplus-overview-dialog .sixplus-feature-group ul{padding:0;list-style:none;display:flex;gap:10px 20px;flex-wrap:wrap;font-size:17px}
#sixplus-overview-dialog .sixplus-detail-button{border:0;background:transparent;padding:8px;font-size:14px;cursor:pointer}
.focus-image-dialog{width:calc(100vw - 32px);height:calc(100dvh - 32px);max-width:1600px;max-height:none;padding:20px;overflow:hidden;background:var(--paper);color:var(--ink);border:1px solid var(--ink);box-shadow:none;display:none}
.focus-image-dialog[open]{display:grid;grid-template-rows:auto minmax(0,1fr) auto;gap:14px;animation:none;transform:none}
.focus-image-dialog>header{display:flex;gap:20px;align-items:center;justify-content:space-between}
.focus-image-dialog h2{font:600 20px/1.5 var(--sans);margin:0;word-break:keep-all}
.focus-image-dialog header>div{display:flex;gap:8px;flex-shrink:0}
.focus-image-dialog header button{min-width:44px;min-height:44px;border:1px solid var(--line);background:transparent;color:var(--ink);font-size:17px;cursor:pointer}
.image-viewport{min-width:0;min-height:0;overflow:auto;border:1px solid var(--line)}
#zoom-image{display:block;height:auto;max-width:none;object-fit:contain;margin:auto}
#image-caption{font:14px/1.6 var(--sans);margin:0;color:var(--muted);word-break:keep-all}
@keyframes focus-arrive{from{opacity:.6;transform:translateY(5px)}to{opacity:1;transform:none}}
@media(min-width:901px) and (max-height:800px){
 #presentation>.slide.focus-slide.active{padding-top:60px;gap:14px;padding-bottom:132px}
 #presentation>.slide.focus-slide .scene-heading h2{font-size:42px}
 .focus-stage h3{font-size:40px;margin-bottom:22px}
 .focus-kicker{font-size:15px;margin-bottom:16px}
 .focus-flow{margin-top:28px;gap:20px}
 .focus-flow span{font-size:26px}
 .focus-footnote{font-size:18px;margin-top:22px}
 .focus-quote{padding:24px 32px}
 .focus-quote>header{margin-bottom:18px}
 .focus-quote blockquote{font-size:28px;line-height:1.55}
 .focus-origin{margin-top:14px}
 #case-class{gap:12px}
 .focus-facts>div{padding:10px 0}
 .focus-facts dd{font-size:27px}
}
@media(max-width:1100px) and (min-width:901px){
 .focus-actions{gap:14px}
 .focus-actions .text-button{font-size:13px}
 .focus-stage h3{font-size:38px}
 #project-showcase,#material-view.has-focus-image{gap:28px;grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
 .focus-main-copy{font-size:25px}
 .focus-flow{gap:16px}
 .focus-flow span{font-size:24px}
 .focus-quote blockquote{font-size:27px}
 .focus-quote{padding:24px}
 #presentation .story-controls{gap:12px}
 #presentation .story-controls label{max-width:34%}
 .focus-actions .button{font-size:13px}
}
@media(max-width:900px){
 #presentation>.slide.focus-slide.active{display:block;height:100dvh;overflow-y:auto;padding:76px 22px 150px;scroll-padding:76px 0 150px}
 #presentation>.slide.focus-slide .scene-heading{margin-bottom:24px;display:flex;align-items:flex-start;flex-wrap:wrap;gap:10px}
 #presentation>.slide.focus-slide .scene-heading h2{font-size:38px}
 .focus-tabs,.story-stages{margin-bottom:24px;gap:24px}
 .focus-stage{min-height:330px;margin-bottom:28px}
 .focus-stage h3{font-size:34px}
 .focus-main-copy{font-size:25px}
 .focus-kicker{font-size:15px}
 .focus-flow{gap:14px;margin-top:26px}
 .focus-flow span{font-size:24px}
 .focus-footnote{font-size:18px}
 .focus-actions{flex-wrap:wrap;gap:12px}
 .focus-actions output{margin-left:auto}
 .focus-actions .text-button{font-size:13px}
 .focus-actions .button{font-size:13px;gap:12px}
 #project-showcase,#material-view.has-focus-image{display:flex;flex-direction:column;gap:24px;align-items:stretch}
 .focus-figure{height:300px;min-height:0;flex:none}
 #project-showcase h3{font-size:42px}
 #case-class{display:block}
 #presentation .sixplus-heading{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:22px}
 #presentation .sixplus-heading .text-link{font-size:14px}
 #presentation .sixplus-heading h3{font-size:26px}
 #case-class .focus-actions{gap:12px}
 #case-class .focus-actions>[data-open-sixplus]{flex-basis:100%;text-align:left}
 .focus-quote{padding:24px;max-height:none}
 .focus-quote blockquote{font-size:24px;line-height:1.6}
 .focus-quote>header{font-size:13px;margin-bottom:20px;gap:8px}
 .focus-quote>header span{font-size:11px}
 .focus-origin{font-size:11px}
 .focus-facts>div{grid-template-columns:72px minmax(0,1fr);gap:16px}
 .focus-facts dt{font-size:18px}
 .focus-facts dd{font-size:23px}
 .focus-image-evidence{height:auto}
 .focus-image-evidence .focus-figure{height:340px;flex:none}
 #presentation .story-controls{flex-wrap:wrap;gap:12px;margin:0}
 #presentation .story-controls label{order:4;max-width:none;width:100%;margin:0}
 #presentation .story-controls .conversation-next{margin-left:auto;font-size:13px}
 #presentation .story-controls .text-button{font-size:13px}
 #presentation .result-focus h3{font-size:36px}
 .result-slide .focus-actions #saved-result-address{max-width:100%;flex-basis:100%}
 #presentation .closing-question{font-size:44px;margin:48px 0;line-height:1.5}
 #presentation .closing-footer{align-items:flex-start;flex-direction:column}
 .focus-reader{padding:20px;width:calc(100vw - 20px)}
 .focus-reader>header{top:-20px;gap:12px}
 .focus-reader>header h2{font-size:22px}
 #build-prompt{font-size:18px}
 #gallery-dialog .project-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 #sixplus-overview-dialog .sixplus-feature-index{grid-template-columns:1fr}
 #sixplus-overview-dialog .sixplus-timeline li{grid-template-columns:64px minmax(0,1fr)}
 .focus-image-dialog{padding:14px;width:calc(100vw - 16px);height:calc(100dvh - 16px)}
 .focus-image-dialog>header{flex-wrap:wrap;gap:10px}
 .focus-image-dialog h2{font-size:17px}
}
@media(max-width:520px){
 #presentation>.slide.focus-slide.active{padding-left:20px;padding-right:20px}
 #presentation>.slide.focus-slide .scene-heading h2{font-size:34px}
 .focus-stage h3{font-size:31px}
 .focus-tabs button,.story-stages button{font-size:13px;min-height:40px}
 .focus-flow{flex-direction:column;align-items:flex-start;gap:10px}
 .focus-flow i{transform:rotate(90deg);font-size:20px}
 .focus-main-copy{font-size:23px}
 .build-keywords{gap:16px;font-size:19px}
 .build-keywords span+span{padding-left:16px}
 .build-slide .focus-actions{justify-content:flex-start}
 .build-slide .focus-actions>:first-child{flex-basis:100%;text-align:left}
 .focus-quote{padding:20px 18px}
 .focus-quote blockquote{font-size:23px;line-height:1.65}
 #gallery-dialog .project-grid{grid-template-columns:1fr}
 #gallery-dialog .project-card h3{font-size:27px}
 .focus-figure{height:260px}
 .focus-image-evidence .focus-figure{height:270px}
 #presentation .story-controls .conversation-next{padding:10px}
 .focus-links :is(.text-link,.text-button){font-size:16px}
 #presentation .closing-question{font-size:38px}
 #sixplus-overview-dialog .sixplus-policies>div,#sixplus-overview-dialog .sixplus-starting-points>div{grid-template-columns:1fr;gap:12px}
 .focus-image-dialog header button{min-width:40px;min-height:40px;font-size:16px}
}
@media(prefers-reduced-motion:reduce){.focus-stage,.focus-stage>*{animation:none!important}.focus-quote{transform:none!important}}

.sixplus-topic{margin:0 0 24px}
#sixplus-topic-select{max-width:100%;min-height:44px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;color:var(--ink);padding:8px 30px 8px 0;font:500 18px/1.5 var(--sans)}
.presentation-nav #page-position{position:relative;align-self:stretch;display:flex;align-items:stretch;justify-content:center;min-width:0}
.presentation-nav #page-position-button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:8px 14px;justify-self:auto}
#page-position-button:focus-visible{outline:2px solid var(--coral);outline-offset:-4px}
.presentation-nav #contents-tooltip{position:absolute;bottom:100%;left:50%;transform:translateX(-50%);width:min(340px,calc(100vw - 24px));max-height:min(72dvh,620px);overflow:auto;background:var(--paper);border:1px solid var(--line);text-align:left;box-shadow:0 4px 16px #19232814}
.presentation-nav #contents-tooltip[hidden]{display:none}
.presentation-nav #contents-list{display:block;padding:8px}
.presentation-nav #contents-list button{display:flex;align-items:center;justify-content:flex-start;gap:12px;width:100%;height:auto;min-height:42px;padding:10px 12px;text-align:left;font-weight:500}
.presentation-nav #contents-list b{font:500 13px/1.5 var(--sans);min-width:22px;color:var(--muted)}
.presentation-nav #contents-list span{max-width:none;font:500 16px/1.5 var(--sans);color:var(--ink);white-space:normal;overflow:visible;text-overflow:initial;text-align:left}
.presentation-nav #contents-list [aria-current=true]{background:var(--paper-deep)}
.presentation-nav #contents-list button:focus-visible{outline:2px solid var(--coral);outline-offset:-2px}
@media(max-width:520px){#sixplus-topic-select{font-size:16px}.presentation-nav #page-position-button{padding:8px}.presentation-nav #contents-list span{font-size:15px}}

/* The showcase title opens the app; the cropped screenshot is the main content. */
#presentation>.slide.focus-slide.projects-slide.active{padding-top:52px;padding-bottom:120px;gap:16px}
#project-showcase{display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr);gap:14px;align-items:stretch;width:100%;height:100%}
#project-showcase h3{margin:0;font:550 clamp(26px,2.6vw,36px)/1.4 var(--sans);letter-spacing:-.035em}
.showcase-title-link{color:var(--ink);text-decoration:none;text-underline-offset:6px}
.showcase-title-link:hover{text-decoration:underline;text-decoration-thickness:1px}
.showcase-title-link:focus-visible{outline:2px solid var(--coral);outline-offset:4px}
.showcase-figure{margin:0;width:100%;height:100%;min-height:0;min-width:0}
.showcase-figure .image-expand{background:transparent}
.showcase-figure svg{display:block;position:absolute;inset:0;width:100%;height:100%;overflow:hidden}
@media(max-width:700px){
 #presentation>.slide.focus-slide.projects-slide.active{padding-top:64px;padding-bottom:140px}
 #project-showcase{display:grid;height:auto;gap:16px}
 #project-showcase h3{font-size:28px}
 .showcase-figure{height:300px}
 #project-showcase:has([href*="sixplus-workshop-demo"]) .showcase-figure{height:230px}
}

.showcase-figure svg.showcase-mobile{display:none}
@media(max-width:700px){
 .showcase-figure svg.showcase-desktop{display:none}
 .showcase-figure svg.showcase-mobile{display:block}
 #project-showcase .showcase-figure{height:auto;aspect-ratio:var(--mobile-shot-ratio)}
}
@media(max-width:700px){
 #project-showcase{grid-template-rows:auto auto;align-self:start}
 #project-showcase .showcase-figure>.image-expand{height:auto;aspect-ratio:var(--mobile-shot-ratio)}
}

/* One classroom-management scene at a time; footer navigation still changes pages. */
#presentation>.slide.focus-slide.use-slide.active{grid-template-rows:auto minmax(0,1fr);padding-top:52px;padding-bottom:120px;gap:24px}
#case-class{display:grid;grid-template-rows:minmax(0,1fr) auto;gap:24px;min-height:0}
#presentation .sixplus-demo-link{font:500 16px/1.5 var(--sans);white-space:nowrap}
#sixplus-view{justify-content:flex-start;overflow:hidden}
.sixplus-stage{width:100%;animation:sixplus-enter .18s ease-out both}
.sixplus-stage.is-back{animation-name:sixplus-back}
.sixplus-period{margin:0 0 22px;font:500 20px/1.5 var(--sans);color:var(--muted)}
#sixplus-view h3{margin:0;font:600 clamp(34px,4.2vw,62px)/1.35 var(--sans);letter-spacing:-.035em;word-break:keep-all;max-width:1050px}
#sixplus-view .focus-flow{margin-top:42px;gap:24px}
#sixplus-view .focus-flow span{font-size:clamp(24px,2.4vw,36px);font-weight:500}
.sixplus-controls{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:44px}
.sixplus-controls>.text-button{font:500 15px/1.5 var(--sans);min-height:44px}
.sixplus-scene-nav{display:flex;align-items:center;gap:16px}
.sixplus-scene-nav button{min-width:44px;min-height:44px;border:0;border-radius:0;background:transparent;color:var(--ink);font:500 26px/1 var(--sans);cursor:pointer}
.sixplus-scene-nav button:disabled{color:var(--line);cursor:default}
.sixplus-scene-nav button:hover:not(:disabled){color:var(--coral)}
.sixplus-scene-nav button:focus-visible{outline:2px solid var(--coral)}
#sixplus-scene-count{font:500 15px/1.5 var(--sans);font-variant-numeric:tabular-nums;color:var(--muted);min-width:42px;text-align:center}
@keyframes sixplus-enter{from{transform:translateX(20px)}to{transform:translateX(0)}}
@keyframes sixplus-back{from{transform:translateX(-20px)}to{transform:translateX(0)}}
@media(max-width:700px){
 #presentation>.slide.focus-slide.use-slide.active{display:grid;padding:64px 20px 140px;gap:20px}
 #presentation .use-slide .scene-heading{align-items:flex-start;flex-wrap:wrap;gap:12px}
 #presentation .sixplus-demo-link{font-size:14px}
 #case-class{display:grid;grid-template-rows:minmax(0,1fr) auto;gap:20px}
 .sixplus-period{font-size:18px;margin-bottom:18px}
 #sixplus-view h3{font-size:34px}
 #sixplus-view .focus-flow{margin-top:28px;flex-direction:column;align-items:flex-start;gap:12px}
 #sixplus-view .focus-flow i{transform:rotate(90deg)}
 #sixplus-view .focus-flow span{font-size:23px}
 .sixplus-controls{gap:12px}.sixplus-scene-nav{gap:6px}
}
@media(prefers-reduced-motion:reduce){.sixplus-stage{animation:none!important}}

#presentation>.slide.focus-slide.materials-slide.active{grid-template-rows:auto minmax(0,1fr) auto;padding-top:52px;padding-bottom:120px;gap:24px}
#material-view{display:flex;align-items:center;justify-content:flex-start;width:100%;height:100%}
.materials-stage{width:100%;min-height:0;animation:sixplus-enter .18s ease-out both}
.materials-stage>h3{font:600 clamp(34px,4.2vw,62px)/1.35 var(--sans);margin:0;letter-spacing:-.035em}
.materials-stage .focus-flow{margin-top:42px}
.materials-stage.has-screen{height:100%;display:grid;grid-template-rows:auto auto minmax(0,1fr);gap:14px}
.materials-stage.has-screen>h3{font-size:32px}
.material-links{display:flex;gap:24px;flex-wrap:wrap;font:500 17px/1.5 var(--sans)}
.material-screen{margin:0;height:100%;min-height:0}
.material-screen svg{position:absolute;inset:0;display:block;width:100%;height:100%;overflow:hidden}
.material-controls{display:flex;justify-content:flex-end;min-height:44px}
#material-count{font:500 15px/1.5 var(--sans);color:var(--muted);min-width:42px;text-align:center}
@media(max-width:700px){
 #presentation>.slide.focus-slide.materials-slide.active{display:grid;padding:64px 20px 140px;gap:20px}
 .materials-stage>h3{font-size:34px}.materials-stage.has-screen>h3{font-size:28px}
 .material-links{font-size:16px;gap:18px}.materials-stage .focus-flow{margin-top:28px}
 .material-screen{min-height:150px}
}
@media(prefers-reduced-motion:reduce){.materials-stage{animation:none!important}}

.sixplus-feature-flow .sixplus-flow-group{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.sixplus-flow-group em{font:inherit;font-style:normal;color:var(--muted)}
.sixplus-feature-trigger{border:0;background:transparent;color:var(--ink);padding:4px 0;cursor:pointer;font:inherit;letter-spacing:inherit;text-decoration:underline dotted;text-decoration-color:var(--line);text-underline-offset:8px;min-height:44px}
.sixplus-feature-trigger:hover,.sixplus-feature-trigger[aria-expanded=true]{color:var(--coral);text-decoration-color:var(--coral)}
.sixplus-feature-trigger:focus-visible{outline:2px solid var(--coral);outline-offset:4px}
.feature-preview{position:fixed;z-index:32;width:min(860px,calc(100vw - 24px));background:var(--paper);border:1px solid var(--line);box-shadow:0 8px 32px #19232830;padding:12px;max-height:calc(100dvh - 100px);overflow:auto}
.feature-preview[hidden]{display:none}
.feature-preview>header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 10px;font:550 17px/1.5 var(--sans)}
.feature-preview>header button{background:transparent;border:0;min-width:36px;min-height:36px;font-size:26px;color:var(--ink)}
.feature-preview-screen{display:block;width:100%;border:0;padding:0;background:#16161d;cursor:zoom-in}
.feature-preview-screen img{display:block;width:100%;max-height:min(56dvh,570px);object-fit:contain}
@media(max-width:700px){.feature-preview{padding:10px}.feature-preview-screen img{max-height:58dvh}.sixplus-feature-flow .sixplus-flow-group{gap:8px}}

.feature-preview-screen svg{display:block;width:100%;overflow:hidden}
.feature-preview-screen:focus-visible{outline:2px solid var(--coral);outline-offset:2px}

.material-screen .material-mobile{display:none}
@media(max-width:700px){.material-screen .material-desktop{display:none}.material-screen .material-mobile{display:block}}
@media(max-width:700px){
 .materials-stage.has-screen{height:auto;grid-template-rows:auto auto 180px;align-self:flex-start}
 .material-screen{height:180px;min-height:0}
}

/* Slide 2: the deliberately generic web mock belongs only inside this example. */
#presentation>.slide.lesson-slide.active{grid-template-rows:auto minmax(0,1fr) auto}
#presentation [data-id=iteration] .scene-heading h2{word-break:keep-all;overflow-wrap:normal}
.magic-stage{align-items:center}
.magic-demo{width:100%;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);align-items:center;gap:clamp(32px,4vw,64px);max-width:1260px;margin:auto}
.magic-illusion{position:relative;display:block;min-width:0;width:100%;max-width:550px;justify-self:center;border:0;background:none;padding:0;text-align:left;color:inherit;cursor:pointer;font-family:var(--sans);isolation:isolate;-webkit-tap-highlight-color:transparent}
.magic-illusion:focus-visible{outline:3px solid var(--coral);outline-offset:12px}
.magic-cue{display:block;font:500 clamp(32px,3vw,48px)/1.1 var(--serif);letter-spacing:-.05em;color:var(--coral);margin:0 0 18px}
.slop-browser{display:block;border:1px solid #cbd0e5;border-radius:13px;overflow:hidden;box-shadow:0 18px 42px #19252817;background:#fff;transform-origin:50% 60%;transition:filter .4s,transform .4s}
.slop-chrome{display:flex;align-items:center;gap:12px;background:#f0f0f6;padding:10px 13px;color:#7c8093;font-size:13px;border-bottom:1px solid #dedee9}
.slop-traffic{display:flex;gap:5px}.slop-traffic i{display:block;width:8px;height:8px;border-radius:50%;background:#ff6a68}.slop-traffic i:nth-child(2){background:#ffca56}.slop-traffic i:nth-child(3){background:#53cf79}
.slop-address{background:#fff;border-radius:5px;text-align:center;flex:1;padding:4px 12px;font:10px var(--sans);letter-spacing:0}
.slop-browser *{line-height:1.4}
.slop-site{display:block;position:relative;background:radial-gradient(ellipse at 10% 30%,#d8c6ff80,transparent 65%),radial-gradient(ellipse at 90% 60%,#c9e1ff88,transparent 65%),#fcfbff;color:#201c45;padding-bottom:18px;overflow:hidden}
.slop-nav{display:flex;align-items:center;gap:14px;padding:14px 20px;background:#ffffff95;border-bottom:1px solid #ece8fa;font-size:10px}
.slop-nav>b{font-size:16px;letter-spacing:-.6px}.slop-nav>b>span{color:#9054ee}.slop-nav>span{margin-left:auto;color:#8d86a7;font-size:9px;white-space:nowrap}.slop-nav>em{font-size:8px;font-style:normal;padding:5px 8px;border-radius:15px;background:linear-gradient(110deg,#9658ed,#6089f4);color:#fff}
.slop-hero{display:flex;flex-direction:column;align-items:center;text-align:center;padding:26px 12px 20px;gap:12px}
.slop-pill{border:1px solid #dcd0f7;color:#9453df;border-radius:30px;padding:6px 12px;font-size:9px;background:#ffffffa8}
.slop-hero>strong{font:800 clamp(26px,2.6vw,38px)/1.25 var(--sans);letter-spacing:-1.7px}.slop-hero>strong>span{background:linear-gradient(95deg,#a345ed,#5e8df5);background-clip:text;color:transparent}
.slop-intro{font-size:10px;line-height:1.7;color:#9490ab;letter-spacing:-.15px}
.slop-cta{border-radius:30px;box-shadow:0 6px 20px #8b5cf64d;background:linear-gradient(105deg,#a054ec,#628af3);color:#fff;font-size:11px;font-weight:650;padding:12px 22px}
.slop-stats{display:flex;justify-content:center;gap:34px;text-align:center;padding:10px 15px 20px;font-size:8px;color:#aaa3be}.slop-stats>span{display:grid;gap:3px}.slop-stats b{font:750 21px var(--sans);color:#8b5cf6}
.slop-features{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:0 18px}.slop-features>span{display:grid;justify-items:center;gap:6px;border:1px solid #e9dff9;border-radius:14px;padding:13px 5px;background:#ffffffb3;box-shadow:0 4px 12px #7b58b407;font-size:18px}.slop-features b{font-size:10px}.slop-features small{font-size:7px;color:#aaa4bc;white-space:nowrap}
.slop-float{position:absolute;bottom:7px;right:8px;border-radius:20px;background:linear-gradient(105deg,#9958e8,#678bf0);color:white;padding:8px 11px;font-size:8px;box-shadow:0 3px 10px #8462d843}
.magic-click-hint{display:block;margin-top:15px;color:var(--muted);font:500 15px/1.5 var(--sans);text-align:center;letter-spacing:-.02em}
.slop-stamp{position:absolute;top:47%;left:50%;width:82%;padding:16px 10px 10px;transform:translate(-50%,-50%) rotate(-15deg) scale(1.7);border:7px double #e54835;color:#e54835;border-radius:7px;box-shadow:inset 0 0 0 2px #e5483520;opacity:0;pointer-events:none;text-align:center;mix-blend-mode:multiply;background:#faf0da5c}
.slop-stamp>span{display:block;font:900 clamp(43px,5.1vw,76px)/1 var(--sans);letter-spacing:.025em;white-space:nowrap}.slop-stamp>i{display:block;font:800 16px/1 var(--sans);font-style:normal;letter-spacing:.8em;margin:8px 0 0 10px}
.magic-demo[data-phase=stamped] .slop-stamp,.magic-demo[data-phase=timing] .slop-stamp{opacity:1;transform:translate(-50%,-50%) rotate(-15deg) scale(1)}
.magic-demo.is-stamping .slop-stamp{animation:slop-stamp-in .48s cubic-bezier(.14,.82,.24,1.2) both}
.magic-demo.is-stamping .slop-browser{animation:slop-impact .42s both}
.magic-demo[data-phase=stamped] .slop-browser,.magic-demo[data-phase=timing] .slop-browser{filter:saturate(.65)}
.magic-demo[data-phase=timing] .magic-illusion{cursor:default}
#presentation .magic-question h3{font:600 clamp(34px,3.4vw,52px)/1.35 var(--sans);letter-spacing:-.045em;margin:14px 0 0}.magic-question>p{font:500 clamp(22px,2.2vw,32px)/1.4 var(--sans);color:var(--muted);margin:0}
.magic-time-panel[hidden],.magic-question[hidden]{display:none!important}
.magic-time-panel{min-width:0;animation:magic-time-enter .55s var(--ease-out) both}
#presentation .magic-time-panel h3{font:500 clamp(26px,2.6vw,39px)/1.3 var(--sans);letter-spacing:-.04em;margin:0 0 22px}.magic-time-panel h3 strong{font-weight:650}
.magic-time-display{margin-top:30px;min-width:0;display:grid;gap:30px}
.magic-time-case{min-width:0}
.magic-time-label{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font:600 19px/1.5 var(--sans);margin:0 0 4px;letter-spacing:-.025em}
.magic-time-label small{font-size:15px;font-weight:500;color:var(--muted)}
.magic-time-counter{display:block;min-height:1.45em;white-space:nowrap;font:650 clamp(42px,4.5vw,66px)/1.35 var(--sans);font-variant-numeric:tabular-nums;letter-spacing:-.055em;color:var(--ink)}
.magic-time-counter small{font:500 .35em/1 var(--sans);letter-spacing:-.025em;margin:0 .15em 0 .2em;color:var(--muted)}
.magic-time-counter:has(.magic-time-period){white-space:normal}
.magic-time-period{display:inline-block;font:500 clamp(13px,1.1vw,16px)/1.5 var(--sans);color:var(--muted);letter-spacing:-.025em;margin-left:10px;white-space:nowrap;vertical-align:baseline}
.magic-time-progress{height:9px;margin-top:10px;background:color-mix(in srgb,var(--ink) 10%,transparent);overflow:hidden}
.magic-time-progress>i{display:block;width:100%;height:100%;background:var(--ink);transform:scaleX(var(--time-progress,0));transform-origin:left;position:relative;transition:background .25s}
.magic-time-progress:not(.is-complete)>i:after{content:"";position:absolute;top:0;right:0;bottom:0;width:24px;background:var(--acid);box-shadow:0 0 18px var(--acid)}
.magic-time-progress.is-complete>i{background:var(--coral)}
.magic-time-case:last-child .magic-time-progress.is-complete>i{background:var(--coral)}
.magic-time-case:first-child .magic-time-progress.is-complete>i{background:var(--ink)}
.magic-controls{display:flex;justify-content:flex-end;margin:0}.magic-controls .text-button{font-size:14px;min-height:40px;color:var(--muted)}
.magic-demo.is-playing .magic-cue{animation:magic-cue-in .45s both}.magic-demo.is-playing .slop-browser{animation:magic-browser-in .75s .18s var(--ease-out) both}
@keyframes magic-cue-in{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@keyframes magic-browser-in{from{opacity:0;transform:translateY(25px) scale(.93)}to{opacity:1;transform:none}}
@keyframes slop-stamp-in{0%{opacity:0;transform:translate(-50%,-50%) rotate(-24deg) scale(2.1)}55%{opacity:1;transform:translate(-50%,-50%) rotate(-13deg) scale(.94)}100%{opacity:1;transform:translate(-50%,-50%) rotate(-15deg) scale(1)}}
@keyframes slop-impact{0%,100%{transform:none}45%{transform:translate(2px,4px) rotate(.6deg)}65%{transform:translate(-1px,-2px)}}
@keyframes magic-time-enter{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@media(min-width:901px) and (max-height:800px){.magic-cue{font-size:32px;margin-bottom:12px}.slop-chrome{padding:5px 10px}.slop-address{padding:2px 10px;font-size:9px}.slop-nav{padding:8px 14px}.slop-hero{padding:10px 12px;gap:7px}.slop-hero>strong{font-size:28px}.slop-pill{font-size:8px;padding:4px 10px}.slop-intro{display:none}.slop-cta{font-size:10px;padding:9px 18px}.slop-stats{padding:5px 15px 7px;font-size:7px}.slop-stats b{font-size:18px}.slop-features>span{padding:6px 5px;gap:3px;font-size:14px}.slop-features b{font-size:9px}.slop-site{padding-bottom:10px}.magic-click-hint{margin-top:10px}#presentation .magic-time-panel h3{font-size:30px;margin-bottom:14px}.magic-time-display{margin-top:24px;gap:24px}}
@media(min-width:901px) and (max-height:680px){.slop-hero{padding:12px 10px;gap:8px}.slop-intro{display:none}.slop-stats{padding:6px 15px 12px}.slop-features>span{padding:8px 4px}.slop-nav{padding:10px 16px}.magic-cue{font-size:28px}#presentation .magic-time-panel h3{font-size:27px}}
@media(max-width:900px){.magic-demo{grid-template-columns:1fr;gap:30px;max-width:550px;padding:8px 4px}.magic-cue{font-size:34px}.magic-illusion{max-width:500px}.slop-hero>strong{font-size:34px}.magic-question{text-align:center}.magic-question>p{font-size:22px}#presentation .magic-question h3{font-size:34px}.magic-time-counter{font-size:clamp(42px,12vw,64px)}.magic-time-display{margin-top:24px}.magic-time-label{font-size:18px}.magic-time-label small{font-size:14px}.magic-time-panel{padding-bottom:12px}#presentation .magic-time-panel h3{font-size:32px}.slop-stamp>span{font-size:clamp(37px,9vw,65px)}.slop-nav{gap:8px;padding:12px}.slop-stats{gap:28px}}
@media(prefers-reduced-motion:reduce){.magic-demo :is(.magic-cue,.slop-browser,.slop-stamp,.magic-time-panel){animation:none!important;transition:none!important}.magic-time-progress>i{transition:none!important}}

/* Platform planning: real service references, scoped feature choices, and device decisions. */
.platform-why-stage{display:grid;align-content:center;gap:26px;width:100%;max-width:1300px;margin:auto}
.platform-opening{font:550 clamp(23px,2.1vw,32px)/1.4 var(--sans);letter-spacing:-.035em;margin:0}
.platform-services{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;min-width:0}
.platform-service{display:block;text-decoration:none;color:var(--ink);min-width:0;outline-offset:6px}
.platform-service img{display:block;width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;object-position:top;border:1px solid var(--line);background:#fff}
.platform-service strong{display:flex;align-items:baseline;gap:8px;margin:12px 0 0;font:650 23px/1.3 var(--sans);letter-spacing:-.025em}
.platform-service strong small{font:450 13px/1.4 var(--sans);color:var(--muted)}.platform-service strong span{margin-left:auto;font-size:18px;color:var(--muted)}
.platform-service>p{font:450 15px/1.4 var(--sans);color:var(--muted);margin:6px 0 0}
.platform-fit{margin-top:6px}.platform-fit>p{font:450 clamp(20px,1.8vw,28px)/1.5 var(--sans);color:var(--muted);margin:0 0 8px;letter-spacing:-.035em}
#presentation .platform-fit h3{font:650 clamp(27px,2.9vw,42px)/1.4 var(--sans);margin:0;letter-spacing:-.045em}
.platform-source{font:12px/1.4 var(--sans);color:var(--muted);margin:0;text-align:right}
.platform-parts-stage{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(30px,5vw,80px);width:100%;max-width:1300px;margin:auto;align-items:start}
.platform-parts-column{min-width:0;border-top:3px solid var(--ink);padding-top:20px}.platform-shared{border-color:var(--coral)}
.platform-scope{font:500 18px/1.5 var(--sans);color:var(--muted);margin:0 0 10px}
#presentation .platform-parts-column h3{font:650 clamp(28px,2.7vw,40px)/1.4 var(--sans);margin:0 0 6px;letter-spacing:-.04em}
.platform-definition{font:450 17px/1.5 var(--sans);color:var(--muted);margin:0 0 28px}
.platform-parts-column ul{padding:0;list-style:none;margin:0;display:grid;gap:0}.platform-parts-column li{font:550 clamp(18px,1.7vw,25px)/1.5 var(--sans);padding:12px 0;border-bottom:1px solid var(--line);letter-spacing:-.03em;word-break:keep-all}
.platform-key-point{font:500 clamp(16px,1.5vw,21px)/1.5 var(--sans);letter-spacing:-.025em;color:var(--muted);margin:0}
.platform-usage-stage{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:clamp(34px,5vw,80px);width:100%;max-width:1300px;margin:auto;align-items:center}
.platform-device-picker{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.platform-device-picker button{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-width:0;min-height:220px;border:0;border-top:2px solid var(--line);border-bottom:1px solid var(--line);padding:24px 8px;color:var(--muted);background:transparent;cursor:pointer;font-family:var(--sans);transition:background .12s,color .12s}
.platform-device-picker button[aria-pressed=true]{border-top-color:var(--ink);background:color-mix(in srgb,var(--ink) 4%,transparent);color:var(--ink)}
.platform-device-picker svg{width:80px;height:70px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.platform-device-picker strong{font-size:20px;white-space:nowrap;letter-spacing:-.035em}.platform-device-picker span{font-size:14px}
.platform-usage-decisions{margin:0;min-width:0}.platform-usage-decisions>div{display:grid;grid-template-columns:94px minmax(0,1fr);gap:22px;padding:23px 0;border-bottom:1px solid var(--line)}.platform-usage-decisions>div:first-child{padding-top:0}
.platform-usage-decisions dt{font:550 16px/1.6 var(--sans);color:var(--muted)}.platform-usage-decisions dd{margin:0;min-width:0}.platform-usage-decisions strong{font:600 clamp(19px,1.7vw,25px)/1.5 var(--sans);letter-spacing:-.03em;word-break:keep-all}.platform-usage-decisions p{font:450 16px/1.6 var(--sans);color:var(--muted);margin:7px 0 0;letter-spacing:-.02em}
@media(min-width:901px) and (max-height:800px){.platform-why-stage{gap:20px}.platform-services{gap:20px}.platform-service img{max-height:170px;object-fit:cover}.platform-service strong{font-size:21px;margin-top:9px}.platform-service>p{font-size:14px}.platform-fit>p{font-size:22px}#presentation .platform-fit h3{font-size:30px}.platform-parts-column{padding-top:14px}.platform-definition{margin-bottom:15px;font-size:15px}.platform-scope{font-size:16px}#presentation .platform-parts-column h3{font-size:30px}.platform-parts-column li{font-size:20px;padding:10px 0}.platform-device-picker button{min-height:190px}.platform-usage-decisions>div{padding:18px 0}.platform-usage-decisions strong{font-size:20px}.platform-usage-decisions p{font-size:15px}}
@media(max-width:900px){.platform-why-stage{gap:26px;padding:12px 0}.platform-services{gap:14px}.platform-service strong{font-size:18px;flex-wrap:wrap;gap:4px}.platform-service strong small{font-size:11px}.platform-service>p{font-size:12px}.platform-source{text-align:left;font-size:11px}.platform-parts-stage{grid-template-columns:1fr;gap:32px;padding:12px 0}.platform-parts-column li{font-size:21px}.platform-definition{margin-bottom:14px}.platform-usage-stage{grid-template-columns:1fr;gap:30px;padding:12px 0}.platform-device-picker{max-width:460px;width:100%;margin:auto}.platform-device-picker button{min-height:150px;gap:10px;padding:16px 10px}.platform-device-picker svg{width:64px;height:55px}.platform-usage-decisions>div{grid-template-columns:72px minmax(0,1fr);gap:16px;padding:20px 0}.platform-usage-decisions dt{font-size:14px}.platform-usage-decisions strong{font-size:21px}.platform-usage-decisions p{font-size:15px}.platform-key-point{font-size:16px}.usage-key-point{line-height:1.7}}
@media(max-width:520px){.platform-services{grid-template-columns:1fr;gap:20px}.platform-service{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:0 14px;align-items:center}.platform-service img{grid-row:1/3}.platform-service strong{margin:0;align-self:end;font-size:19px}.platform-service strong small{display:block;width:100%;font-size:11px}.platform-service>p{align-self:start;font-size:12px}.platform-service strong span{display:none}.platform-opening{font-size:23px}.platform-fit>p{font-size:20px}#presentation .platform-fit h3{font-size:28px}.platform-parts-column li{font-size:19px}.platform-device-picker strong{font-size:19px}.platform-usage-decisions strong{font-size:19px}}
@media(prefers-reduced-motion:reduce){.platform-device-picker button{transition:none}}
/* A deliberate pause: only the message is visible, with one type size. */
#presentation>.message-only-slide.active{display:flex;align-items:center;justify-content:center;height:calc(100dvh - var(--nav-height,64px));min-height:0;padding:clamp(28px,6vw,96px);background:var(--paper);color:var(--ink);animation:none;overflow:auto}.single-message-copy{display:block;border:0;border-radius:0;background:none;color:inherit;font:500 clamp(32px,4.25vw,60px)/1.65 var(--serif);letter-spacing:-.045em;text-align:left;word-break:keep-all;max-width:100%;padding:0;margin:0;cursor:pointer}.single-message-copy:focus-visible{outline:2px solid var(--coral);outline-offset:14px}.message-only-slide::after{display:none}body.is-message-only :is(.qna-button,.build-chip,#slide-progress){display:none!important}
@media(max-width:600px){.single-message-copy{font-size:clamp(26px,5.9vw,34px);line-height:1.8}#presentation>.message-only-slide.active{padding:28px 24px}}
#presentation>.message-only-slide.active{opacity:1;transform:none}
/* Slide 8: choose when the material will be used before building it. */
#presentation>.lesson-purpose-slide.active{grid-template-rows:auto minmax(0,1fr)}.lesson-purpose-layout{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(24px,3vw,48px);width:100%;max-width:1440px}.lesson-purpose-layout article{min-width:0;padding:28px 0}.lesson-purpose-layout article+article{border-left:1px solid var(--line);padding-left:clamp(24px,3vw,48px)}.lesson-purpose-layout h3{font:650 clamp(38px,3.4vw,60px)/1.4 var(--sans);letter-spacing:-.05em;margin:0 0 24px;word-break:keep-all}.lesson-purpose-layout p{font:450 clamp(24px,2.1vw,34px)/1.65 var(--sans);letter-spacing:-.025em;color:var(--muted);margin:0;word-break:keep-all}
.lesson-purpose-layout mark{color:inherit;background:linear-gradient(transparent 72%,var(--purpose-highlight) 72%,var(--purpose-highlight) 94%,transparent 94%);box-decoration-break:clone;-webkit-box-decoration-break:clone}.lesson-purpose-layout article{--purpose-highlight:var(--brand-yellow)}.lesson-purpose-layout article:nth-child(2){--purpose-highlight:var(--brand-lime)}.lesson-purpose-layout article:nth-child(3){--purpose-highlight:#f1b6bb}.lesson-purpose-layout strong{font-weight:700;color:var(--ink)}
@media(max-width:900px){.lesson-purpose-stage{min-height:500px}.lesson-purpose-layout{grid-template-columns:1fr;gap:20px}.lesson-purpose-layout article{padding:28px 0}.lesson-purpose-layout article+article{border-left:0;border-top:1px solid var(--line);padding:34px 0 20px}.lesson-purpose-layout h3{font-size:clamp(34px,6vw,46px);margin-bottom:20px}.lesson-purpose-layout p{font-size:24px}}
/* All projects are the second slide's normal surface, rather than a modal. */
#presentation>.all-projects-slide.active{grid-template-rows:auto auto auto minmax(0,1fr);padding-top:48px;padding-bottom:118px;gap:12px}.all-projects-slide .gallery-controls{position:static;flex-wrap:wrap;gap:12px 20px;margin:0;background:var(--paper);padding:12px 0}.all-projects-slide .filter-row{flex-wrap:wrap;gap:6px}.all-projects-slide .project-search{flex:1 1 220px;max-width:300px;min-width:180px}.all-projects-slide .gallery-meta{padding:0;font-size:13px}.project-library{min-height:0;overflow:auto;overscroll-behavior:contain;padding:4px 8px 24px 0;scrollbar-gutter:stable}.project-library:focus-visible{outline:2px solid var(--coral);outline-offset:3px}#presentation .all-projects-slide .project-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.all-projects-slide .project-card h3{font-size:27px}.all-projects-slide .project-thumb{max-height:190px}.all-projects-slide .project-links{gap:12px}.all-projects-slide #project-empty{font:450 24px/1.7 var(--sans);color:var(--muted);padding:35px 0}
@media(min-width:1700px){#presentation .all-projects-slide .project-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:1100px) and (min-width:901px){#presentation .all-projects-slide .project-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.all-projects-slide .project-search{max-width:260px}.all-projects-slide .filter-row{width:100%}}
@media(max-width:900px){#presentation>.all-projects-slide.active{display:block;height:100dvh;padding:64px 22px 150px;overflow-y:auto}.all-projects-slide .gallery-controls{margin:16px 0 12px}.all-projects-slide .project-search{max-width:none;flex:1 0 100%}.all-projects-slide .gallery-meta{padding:6px 0 18px}.project-library{overflow:visible;padding:0;scrollbar-gutter:auto}#presentation .all-projects-slide .project-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}}
@media(max-width:600px){#presentation .all-projects-slide .project-grid{grid-template-columns:1fr}.all-projects-slide .filter-row button{font-size:13px;min-height:36px}.all-projects-slide .project-thumb{max-height:none}.all-projects-slide .project-card h3{font-size:27px}}
.all-projects-slide .gallery-meta>#project-count{display:block!important}

#presentation>.section-divider-slide h2{margin:0;text-align:center;font:700 clamp(36px,6vw,88px)/1.4 var(--sans);letter-spacing:-.045em;word-break:keep-all}