/* A reading column and a stage whose controls occupy real layout rows. */
#deck{display:flex;flex-direction:column}
header,footer{flex-shrink:0}
#stage{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:3%;padding:2% 3% 2% 5%;flex:1;min-height:0;height:auto;align-items:stretch}
#readingPanel{min-width:0;min-height:0;display:flex;flex-direction:column;justify-content:center;gap:1.7cqw}
#copy,.cover #copy,.sequenceScene #copy,.wide #copy{position:static;width:auto;max-width:none}
#copy h1,#copy h2{margin-bottom:1.2cqw}h1{font-size:4.6cqw}h2{font-size:3.2cqw}.sequenceScene h2{font-size:2.65cqw}
.lead,.cover .lead,.wide .lead{max-width:none}.sequenceScene .lead{font-size:clamp(15px,1.08cqw,23px)}
.eyebrow{margin:0 0 1.2cqw}.authors{margin-top:1.8cqw;padding-top:1.2cqw}.authors p{line-height:1.6;margin-bottom:.7cqw}.authors small{line-height:1.5}.coverNote{margin-top:1cqw;max-width:none;font-size:clamp(11px,.76cqw,17px)}
.sequenceScene .tabs{margin:1.2cqw 0}.processContext{display:none}#stepExplanation{margin-top:1.25cqw}.stepNarrative{font-size:clamp(16px,1.08cqw,23px);line-height:1.45}#stepExplanation h3{font-size:clamp(22px,1.7cqw,36px)}.io{margin-top:1.1cqw;gap:.7cqw}.io div{grid-template-columns:5.4cqw 1fr}.contextTag{margin-top:1cqw}
.caseEvidence{display:block;color:#487264;font-size:clamp(11px,.72cqw,16px);line-height:1.45;margin-top:1cqw;max-width:95%}.caseEvidence a{display:inline;font-weight:500}
#watchHint{position:static;flex:none;width:auto;padding-top:1cqw;margin-top:auto;font-size:clamp(14px,.95cqw,20px);line-height:1.45}#watchHint>span{font-size:clamp(10px,.62cqw,14px)}
#modelStage{min-height:0;min-width:0;display:grid;grid-template-rows:auto minmax(0,1fr) auto auto auto auto;gap:.85cqw;padding:1.55cqw 1.5cqw 1.35cqw;border-radius:22px;overflow:hidden;background:radial-gradient(ellipse at 46% 36%,#304751 0,#1c323f 40%,#101e2a 80%);box-shadow:0 15px 40px #263a3a19;border:1px solid #203845;position:relative}
#stage:not(.hasModel) #modelStage{display:none}#stage.hasModel #sceneExtras{display:none}#modelPanel,.hasModel #modelPanel{display:none}
#stageHeading,.sequenceScene #stageHeading{position:static;min-width:0;gap:12px;font-size:clamp(10px,.67cqw,14px);line-height:1.3;color:#acc0bd;grid-row:1}.stageLive{font-size:clamp(9px,.58cqw,12px);white-space:nowrap}
#visual,.cover #visual,.sequenceScene #visual{position:relative;left:auto;right:auto;top:auto;width:100%;height:100%;min-height:0;grid-row:2}
#scene{width:100%;height:100%;outline-offset:-3px}#scene:focus-visible{outline:2px solid #d7b483}
#modelLegend,#stage:not(.sequenceScene) #modelLegend,.sequenceScene #modelLegend{display:none;position:static;grid-row:3;gap:10px}.isExploring #modelLegend{display:flex!important}.label3d{font-size:clamp(13px,.84cqw,18px)}.label3d small{color:#b2c6c4;font-size:.76em}
#modelControls,.sequenceScene #modelControls{position:static;grid-row:4;min-width:0;display:flex;justify-content:flex-end;flex-wrap:wrap;gap:8px;color:#dbe5e1}#modelBadge{display:none}.modelTools{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px;margin-left:0!important}.modelTools button{font-size:clamp(13px,.8cqw,17px);padding:.45em .65em;color:#c8d9d4}
#reset,#cut{display:none}.isExploring #reset,.isExploring #cut{display:block}#exploreHelp{grid-row:5;position:static;font-size:clamp(11px,.7cqw,15px);line-height:1.45;color:#afc6be;margin:0}
#liveDock{position:static;grid-row:6;min-width:0;padding:.7cqw 0 0;border-color:#668a843d;margin:0}.liveTop,.transport{display:none}.isExploring .transport{display:flex;margin-top:.8cqw;flex-wrap:wrap}.isExploring .transport .primary{font-size:13px;min-width:0}.isExploring #scrub{min-width:65px}.isExploring #restartLive{display:none}#stepRail{gap:.6cqw;margin:0}#stepRail button{font-size:clamp(12px,.83cqw,18px);padding:.25em .1em .55em;line-height:1.35}#stepRail button span{font-size:.72em}
#inspector{position:static;width:auto;left:auto;right:auto;top:auto;bottom:auto;padding:1.2cqw;box-shadow:none;max-height:37cqh;overflow:auto}#regionDetail{font-size:clamp(14px,.95cqw,20px)}
.inspection #watchHint,.inspection #stepExplanation,.inspection .contextTag,.inspection .caseEvidence{display:none}.inspection #copy{visibility:visible}.inspection #copy .small,.inspection #copy .conclusionLine,.cover.inspection .authors,.cover.inspection .coverNote{display:none}
#sceneExtras{position:static;min-width:0;min-height:0;display:flex;align-items:center}#sceneExtras>*{position:static;left:auto;right:auto;top:auto;bottom:auto;width:100%;margin:0}
.photoFigure{display:block}.photo{height:29cqw;max-height:100%;width:100%;object-fit:cover}.bigQuestion{font-size:3cqw;line-height:1.35}.bigQuestion>span{margin-bottom:1.4cqw}.diagram .row{padding:1.5cqw 0}.conclusionLine{font-size:clamp(20px,1.5cqw,33px);line-height:1.5;margin-top:1.5cqw}.small{font-size:clamp(13px,.89cqw,19px)}
#stage.wide{grid-template-columns:1fr;grid-template-rows:auto 1fr;padding-right:5%;gap:1.7cqw}.wide #readingPanel{display:block}.wide #sceneExtras{display:block;align-self:center}.timeline{padding-top:2.5cqw;gap:2.3cqw}.timeline p{font-size:clamp(15px,1.08cqw,23px)}.timeline strong{font-size:3.8cqw}.sourceGroups{gap:2cqw}.sourceFooter{margin-top:.6cqw;padding-top:1.2cqw}.sourceFooter p,.sourceFooter a{font-size:clamp(13px,.87cqw,19px)}
footer{height:auto;min-height:8%;padding:.85cqw 4.5%;gap:12px}#sceneName{display:none}#next{min-width:9cqw;font-size:clamp(14px,.9cqw,19px)}#count{font-size:clamp(13px,.8cqw,18px)}.footerLeft,.footerRight{flex-wrap:wrap}.footerRight button{font-size:clamp(12px,.73cqw,16px)}
@media(max-width:1250px),(max-height:680px){
 html,body{height:auto;min-height:100%;overflow:auto}#deck{position:relative;transform:none;left:auto;top:auto;width:100%;height:auto;min-height:100svh;overflow:visible;container-type:inline-size}
 header{height:auto;min-height:64px;padding:12px 4.5%}.wordmark img{width:110px;height:29px}.wordmark span{font-size:8px}.chapterNav{gap:24px}.chapterNav button{font-size:13px}#stage{flex:1;min-height:590px;padding:28px 3% 28px 5%;gap:3%;align-items:stretch}
 #readingPanel{gap:24px;justify-content:flex-start;padding:8px 0}#copy h1{font-size:clamp(37px,4.7cqw,58px)}#copy h2,.sequenceScene #copy h2{font-size:clamp(29px,3cqw,39px)}.lead,.sequenceScene .lead{font-size:16px;line-height:1.5}.eyebrow{font-size:11px;margin-bottom:16px}
 .authors{margin-top:24px;padding-top:18px}.authors p,.authors small{font-size:13px}.coverNote{font-size:12px;margin-top:18px}.tabs{margin:18px 0!important}.tabs button{font-size:13px}#stepExplanation{margin-top:20px}#stepExplanation h3{font-size:23px;margin-top:8px}.stepNarrative{font-size:16px;margin-top:12px}.io{gap:10px;margin-top:16px}.io div{grid-template-columns:60px 1fr;padding-top:8px}.io dd{font-size:14px}.contextTag,.caseEvidence{font-size:11px;margin-top:14px}#watchHint{font-size:14px;padding-top:14px;margin-top:auto}#watchHint>span{font-size:10px}
 #modelStage{min-height:530px;padding:18px;gap:12px;grid-template-rows:auto minmax(300px,1fr) auto auto auto auto}#stageHeading{font-size:10px}.label3d{font-size:13px}.modelTools button{font-size:13px}#stepRail button{font-size:12px}#liveDock{padding-top:10px}#inspector{padding:16px;max-height:none}#regionDetail{font-size:15px}
 #stage.wide{gap:32px;min-height:590px}.timeline{padding-top:25px}.timeline strong{font-size:40px}.timeline h3{font-size:20px}.timeline p{font-size:15px}.sourceGroups{gap:28px}.sourceGroups section a{font-size:14px;padding:12px 0}.sourceGroups section h3{font-size:20px}.sourceFooter p,.sourceFooter a{font-size:13px}.bigQuestion{font-size:32px}.diagram h3{font-size:24px}.diagram p{font-size:16px}.photo{height:360px}.conclusionLine{font-size:21px}.small{font-size:13px}
 footer{padding:14px 4.5%;min-height:65px;flex-wrap:wrap}#next{font-size:14px}#count{font-size:13px}.footerRight button{font-size:12px}
}
@media(max-width:760px){
 header{gap:15px}.chapterNav{display:none}#stage,#stage.wide{display:flex;flex-direction:column;min-height:0;padding:24px 5%;gap:28px}#readingPanel{padding:0;gap:20px;display:flex;width:100%}.wide #readingPanel{display:block}
 #copy h1{font-size:42px}#copy h2,.sequenceScene #copy h2{font-size:32px}.lead,.sequenceScene .lead{font-size:15px;max-width:none}.authors p,.authors small{font-size:13px}.eyebrow{font-size:10px}.coverNote{font-size:12px;max-width:none}
 #watchHint{display:block!important;font-size:14px}#watchHint[hidden],#stage:not(.sequenceScene) #watchHint,.inspection #watchHint{display:none!important}.io{display:grid;grid-template-columns:1fr;gap:10px}.io div{display:grid;grid-template-columns:65px 1fr}.io dt{font-size:10px}.io dd{font-size:14px}.sequenceScene .contextTag{display:block}
 #modelStage{min-height:510px;width:100%;padding:14px;gap:12px;grid-template-rows:auto minmax(340px,1fr) auto auto auto auto;border-radius:16px}#visual,.cover #visual,.sequenceScene #visual{position:relative;height:340px;min-height:340px;left:auto;right:auto;top:auto}.label3d{font-size:12px;max-width:46%}.label3d small{font-size:.75em}#stageHeading,.sequenceScene #stageHeading{position:static;font-size:9px}.stageLive{font-size:8px}#modelControls,.sequenceScene #modelControls{position:static;left:auto;right:auto;bottom:auto}.modelTools button{font-size:13px}#modelLegend button strong{font-size:12px}#liveDock{position:static}#stepRail{gap:5px}#stepRail button{font-size:11px}#stepRail button span{font-size:9px}#inspector{width:100%;position:static;padding:16px}.inspection #copy{visibility:visible}#regionDetail{font-size:15px}
 #sceneExtras{width:100%;display:block}.bigQuestion{font-size:29px}.photo{height:auto;aspect-ratio:4/3}.photoFigure figcaption{font-size:11px}.timeline{display:grid;grid-template-columns:1fr 1fr;gap:28px 20px;border:0;padding:0}.timelineDot{display:none}.timeline strong{font-size:36px}.timeline h3{font-size:19px}.timeline p{font-size:14px}.timeline a{font-size:12px}.diagram .row{padding:18px 0;gap:18px}.diagram .row>span{font-size:28px}.diagram h3{font-size:23px}.diagram p{font-size:15px}.sourceGroups{display:grid;grid-template-columns:1fr;overflow:visible;gap:24px}.sourceFooter{display:block;margin-top:5px;padding-top:16px}.sourceFooter>div{gap:12px}.sourceFooter p{margin-bottom:14px}.conclusionLine{font-size:21px}
 footer{justify-content:space-between;gap:14px;padding:14px 5%}.footerLeft{gap:4px;flex-wrap:nowrap}.footerRight{width:100%;justify-content:flex-end}#next{font-size:13px;max-width:60vw;white-space:normal}#prev{font-size:14px}#count{font-size:12px;margin:0 4px}.footerRight button{font-size:12px}
}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto}}
/* Preserve the restored photograph's full framing and neutral color. */
.photoFigure{margin:0;width:100%;height:auto}
.photo{height:auto;max-height:none;aspect-ratio:835/600;object-fit:contain;filter:none;display:block;border:1px solid #203d3517;box-shadow:0 18px 42px #293b301c}
.photoFigure figcaption{display:flex;flex-wrap:wrap;gap:.45em 1.2em;margin-top:14px;line-height:1.55}
.photoFigure figcaption a{color:#277b6c;text-decoration:underline;text-underline-offset:3px;font-size:inherit}