/* A shared spacing rhythm, nested corners and clear touch targets for these chapters. */
#local{--space-1:8px;--space-2:16px;--space-3:24px;--space-4:32px;--space-6:48px}
.local-terrain,.local-contact-shadow{position:absolute;pointer-events:none;opacity:0;transition:opacity .65s ease;z-index:1}
.local-terrain{left:0;right:0;bottom:0;height:clamp(200px,29svh,350px);overflow:hidden;mask-image:linear-gradient(transparent,#000 18%);-webkit-mask-image:linear-gradient(transparent,#000 18%)}
.local-terrain img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center bottom;opacity:0;transition:opacity .65s,filter .65s}
#local[data-region=bandung] [data-terrain=bandung],#local[data-region=jakarta] [data-terrain=jakarta],#local[data-region=bali] [data-terrain=bali]{opacity:1}
.local-terrain:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,#0b1a1566,transparent 65%),linear-gradient(0deg,#0b1a15d9,transparent 40%)}
#local:is([data-view=installing],[data-view=model]) :is(.local-terrain,.local-contact-shadow){opacity:1}
#local[data-period=sunset] .local-terrain img{filter:brightness(.82) sepia(.2) saturate(1.05)}
#local[data-period=night] .local-terrain img{filter:brightness(.3) saturate(.65)}
.local-contact-shadow{left:72%;bottom:7svh;transform:translateX(-50%);width:min(27vw,340px);height:30px;background:radial-gradient(ellipse,#09110de0 0%,#09110d80 38%,transparent 72%);filter:blur(5px);z-index:2}
#local:not([data-region=all]){height:100svh;min-height:760px;grid-template-rows:minmax(0,1fr);padding-block:96px;column-gap:var(--space-6);row-gap:0}
#local:not([data-region=all]) .local-copy{padding-bottom:96px;z-index:4}
#local:not([data-region=all]) .local-copy>h2{margin:var(--space-3) 0;line-height:1.16}
#local:not([data-region=all]) .region-choices{gap:var(--space-1);margin-top:var(--space-4)}
#local:not([data-region=all]) .region-choices button{min-height:44px;padding:12px 16px}
#local:not([data-region=all]) .local-context{margin-top:-64px;height:104px}
#local:not([data-region=all]) .local-time-panel{padding:var(--space-2);border-radius:24px}
#local:not([data-region=all]) .local-model-actions{top:calc(100% + 8px)}
#local:not([data-region=all]) .local-stage{height:100%;min-height:0;z-index:2}
#local:not([data-region=all]) .pattern-deck{bottom:112px}
#local:not([data-region=all]) :is(.pattern-card,.card-inner,.card-front,.card-back,.card-toss){border-radius:16px}
#local:not([data-region=all]) .card-toss{padding:var(--space-2) 12px 12px}
#local:not([data-region=all]) .local-stage-actions{bottom:32px}
#local:not([data-region=all]) .local-product{inset:0 0 0 44%;z-index:3}
#local:not([data-region=all]) .local-render-frame{top:auto;bottom:-7svh;height:min(96svh,1050px)}
#local:not([data-region=all]) .local-footnote{position:absolute;grid-column:auto;left:var(--pad);right:var(--pad);bottom:24px;z-index:5;gap:24px;align-items:center;padding:0;margin:0}
#local:not([data-region=all]) .local-footnote>p{max-width:45ch;text-shadow:0 1px 6px #0b1a15}
.pattern-reference-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 14px;border:1px solid #eeeddf24;border-radius:999px;background:#0b1a1526;color:#cbd2bb;font-size:12px;line-height:1.4;white-space:nowrap;transition:background .2s,border-color .2s}
.pattern-reference-button:hover{background:#eeeddf13;border-color:#eeeddf66}
.pattern-reference-button .ui-icon{width:14px;height:14px}
.references-dialog{width:min(640px,calc(100% - 32px));max-height:min(760px,calc(100svh - 48px));padding:48px;border:1px solid #fff6;border-radius:32px;background:var(--paper);color:var(--ink);box-shadow:0 28px 100px #0005;overflow:auto}
.references-dialog::backdrop{background:#07110dc2;backdrop-filter:blur(10px)}
.references-close{position:absolute;right:16px;top:16px;min-width:44px;min-height:44px;width:44px;height:44px;border-color:var(--line);background:transparent}
.references-dialog>.eyebrow{color:var(--muted);padding-right:32px}
.references-dialog h2{font-size:40px;line-height:1.15;margin:16px 0 24px}
.references-content>p{font-size:16px;line-height:1.65;color:var(--muted);margin-bottom:32px}
.references-content>a{display:block;padding:16px 24px 16px 0;border-top:1px solid var(--line);font-size:15px;line-height:1.5;text-decoration:underline;text-underline-offset:5px;text-decoration-color:var(--line)}
.references-content>a:hover{text-decoration-color:currentColor}
.has-reference-dialog{overflow:hidden;scrollbar-gutter:stable}
/* The assembled object enters as one unit. Scroll begins opening it only after the pin. */
#mechanism.mechanism-story{position:relative;display:block;height:240svh;min-height:0;padding:0;overflow:visible;background:var(--paper)}
.mechanism-sticky{position:sticky;top:0;display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:48px;align-items:center;height:100svh;min-height:680px;padding-block:96px 48px;overflow:clip}
.mechanism-sticky .mechanism-copy{max-width:560px;min-width:0}
.mechanism-sticky .mechanism-copy h2{font-size:clamp(40px,4.5vw,68px);line-height:1.12;margin:24px 0}
.mechanism-sticky .mechanism-copy>p:not(.eyebrow){font-size:16px;line-height:1.6;max-width:45ch}
.mechanism-sticky .mechanism-copy>p+p{margin-top:16px}
.mechanism-sticky .mechanism-actions{display:flex;flex-wrap:wrap;gap:16px;margin-top:24px}
.mechanism-sticky .mechanism-actions :is(.pill,.text-button){font-size:14px;min-height:44px;padding:11px 16px;gap:12px}
.mechanism-sticky .mechanism-chain{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.mechanism-sticky .mechanism-chain li{padding:0;font-size:14px;line-height:1.4}
.mechanism-sticky .mechanism-chain li:before{display:none}
.mechanism-sticky .mechanism-chain span{font-size:12px;line-height:1.5;margin-top:8px}
.mechanism-scroll-cue{display:flex;align-items:center;gap:12px;margin-top:32px;font-size:12px;line-height:1.5;color:var(--muted)}
.mechanism-scroll-cue>.ui-icon{width:16px;height:16px;flex:none}
.mechanism-progress-track{display:block;width:64px;height:2px;background:var(--line);overflow:hidden;flex:none;margin-left:auto}
.mechanism-progress-track i{display:block;height:100%;width:100%;transform-origin:left;transform:scaleX(var(--mechanism-progress,0));background:currentColor}
.mechanism-sticky .mechanism-visual{position:relative;width:100%;height:100%;min-height:0;max-height:none;margin:0;border:1px solid var(--line);border-radius:32px;background:linear-gradient(145deg,#ffffff35,#b9c1a510);overflow:hidden}
.mechanism-sticky :is(#cad-canvas,#cad-poster){position:absolute;inset:24px 8px 68px;width:calc(100% - 16px);height:calc(100% - 92px);object-fit:contain}
.mechanism-sticky .viewer-controls{bottom:32px;gap:8px}
.mechanism-sticky .viewer-controls button{min-height:44px;padding:10px 14px;background:color-mix(in srgb,var(--paper) 85%,transparent);border:1px solid var(--line);border-radius:999px}
.mechanism-sticky .model-caption{left:16px;right:16px;bottom:12px;font-size:10px;line-height:1.4;text-align:center}
.mechanism-sticky .model-caption span{font-size:10px}
.mechanism-sticky .model-status{left:24px;right:24px;bottom:32px;font-size:12px}
@media(min-width:701px) and (max-width:1100px){
 #local:not([data-region=all]){padding-block:96px;column-gap:32px}
 #local:not([data-region=all]) .region-choices button{font-size:13px;padding-inline:10px}
 #local:not([data-region=all]) .card-toss{padding:12px 8px 10px}
 #local:not([data-region=all]) .local-footnote>p{max-width:40ch}
 .mechanism-sticky{gap:32px;padding-block:96px 40px;grid-template-columns:minmax(0,.94fr) minmax(0,1.06fr)}
 .mechanism-sticky .mechanism-copy h2{font-size:42px;margin-block:16px}
 .mechanism-sticky .mechanism-copy>p:not(.eyebrow){font-size:15px;line-height:1.55}
 .mechanism-sticky .mechanism-chain{margin-top:24px;padding-top:16px;gap:12px}
 .mechanism-sticky .mechanism-chain span{display:none}
 .mechanism-scroll-cue{margin-top:24px}
}
@media(max-width:700px){
 #local:not([data-region=all]){height:auto;min-height:100svh;padding-block:104px 104px;grid-template-rows:auto auto;row-gap:24px;column-gap:0}
 #local:not([data-region=all]) .local-copy{padding:0;transform:none}
 #local:not([data-region=all]) .local-context{height:136px;margin-top:24px}
 #local:not([data-region=all]) .local-model-actions{top:104px}
 #local:not([data-region=all]) .local-stage{height:clamp(480px,135vw,680px);min-height:0}
 #local:not([data-region=all]) .pattern-deck{bottom:104px}
 #local:not([data-region=all]) .card-details{width:44px;height:44px;right:0}
 #local:not([data-region=all]) .local-product{inset:0;pointer-events:none}
 #local:not([data-region=all]) .local-render-frame{height:clamp(480px,124vw,680px);bottom:-3svh}
 .local-terrain{height:240px}
 .local-contact-shadow{left:50%;bottom:6svh;width:55vw}
 #local:not([data-region=all]) .local-footnote{bottom:16px;display:flex;gap:16px;align-items:flex-end}
 #local:not([data-region=all]) .local-footnote>p{max-width:27ch;font-size:11px;line-height:1.6}
 .pattern-reference-button{font-size:11px;padding:10px 12px;gap:6px}
 .references-dialog{padding:56px 24px 24px;border-radius:24px}
 .references-dialog h2{font-size:34px}
 .references-content>p{font-size:15px;margin-bottom:24px}
 #mechanism.mechanism-story{height:240svh}
 .mechanism-sticky{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);gap:16px;min-height:680px;padding-block:96px 24px}
 .mechanism-sticky .mechanism-copy h2{font-size:36px;line-height:1.08;margin:12px 0 16px}
 .mechanism-sticky .mechanism-copy>p:not(.eyebrow){font-size:14px;line-height:1.5;max-width:52ch}
 .mechanism-sticky .mechanism-copy>p:not(.eyebrow)+p{display:none}
 .mechanism-sticky .mechanism-actions{margin-top:16px;gap:8px}
 .mechanism-sticky .mechanism-actions :is(.pill,.text-button){font-size:12px;padding-inline:12px;gap:8px}
 .mechanism-sticky .mechanism-chain{display:none}
 .mechanism-scroll-cue{margin-top:16px;font-size:11px;gap:8px}
 .mechanism-sticky .mechanism-visual{border-radius:24px}
 .mechanism-sticky :is(#cad-canvas,#cad-poster){inset:8px 8px 60px;height:calc(100% - 68px)}
 .mechanism-sticky .viewer-controls{bottom:26px}
 .mechanism-sticky .viewer-controls button{font-size:11px;padding:8px 12px;min-height:40px}
 .mechanism-sticky .model-caption{font-size:8px;bottom:8px}
 .mechanism-sticky .model-caption span{font-size:8px}
}
@media(prefers-reduced-motion:reduce){
 .local-terrain,.local-terrain img,.local-contact-shadow{transition:none}
}