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@media(max-width:900px){.partner-tag{left:63%;top:71%;min-width:165px;padding:.6rem .7rem}.partner-tag strong{font-size:.875rem}.partner-tag small{font-size:.75rem}.story[data-stage="4"] .authority-tag{left:63%;top:42%}.partner-tag .micro-label{display:none}.track-label>span:not(.micro-label){display:none}.story[data-stage="4"] .track-label{top:12%}}
@media(max-width:520px){.concept-label{display:none}.chapter-nav a{font-size:.875rem;padding:.7rem .3rem}.chapter-nav a:first-child:after{font-size:.875rem}.motion-control{padding:.6rem .4rem}.partner-tag{left:60%;min-width:150px;top:72%;padding:.55rem .65rem}.partner-tag strong{font-size:.875rem}.partner-tag small{font-size:.75rem}.story[data-stage="4"] .authority-tag{left:60%;top:41%}.track-label .micro-label{display:none}.track-label{width:150px}.authority-tag small{display:none}.authority-tag strong{font-size:.8125rem}.scene-topline{font-size:.75rem}.scene-bottom>span:first-child{max-width:60%}.scene-bottom #scene-layer{max-width:38%;white-space:normal;text-align:right}.object-tag{left:62%;max-width:34%;white-space:normal}.node-tag{left:21%;max-width:36%}.place-city{top:58%}.place-energy{top:66%}}

/* Opening hardware view; the existing story keeps its original stage values. */
.node-figure{position:absolute;left:42%;right:3.75vw;top:43%;margin:0;z-index:4;opacity:0;visibility:hidden;pointer-events:none;transform:translateY(-46%) scale(.92);transition:opacity .65s ease,transform .9s ease,visibility 0s .65s}
.node-drawing{position:relative;width:100%;aspect-ratio:1000/760}
.node-picture{position:absolute;left:22%;top:11.3158%;width:56%;height:auto;display:block;mix-blend-mode:multiply}
.node-callout-lines{position:absolute;inset:0;width:100%;height:100%;z-index:2}
.node-callout{position:absolute;width:24%;z-index:3;line-height:1.35}
.node-callout strong,.node-callout small{display:block}
.node-callout strong{font-size:1rem;font-weight:600;margin:.35rem 0 .25rem}
.node-callout small{font-size:.875rem;color:var(--muted);line-height:1.45}
.callout-number{font-size:.75rem;letter-spacing:.09em;color:var(--teal);font-weight:700}
.callout-rf{left:0;top:13.5%}.callout-radar{left:76%;top:27%}.callout-camera{left:0;top:49%}.callout-acoustic{left:76%;top:59%}
.node-mount-label{position:absolute;left:28%;right:24%;bottom:8%;text-align:center;font-size:.75rem;letter-spacing:.09em;color:var(--muted)}
.story[data-stage="-1"] .node-figure{opacity:1;visibility:visible;transform:translateY(-50%) scale(1);transition-delay:0s}
.world{transition:transform 1.2s ease,opacity .75s ease}
.story[data-stage="-1"] .world{opacity:0;visibility:hidden}
.chapter-node h1{font-size:clamp(3rem,4.25vw,4.5rem);line-height:1.08}
.chapter-copy .node-dome-note{font-size:.9375rem;line-height:1.6;color:var(--muted);margin-top:1.3rem}
.node-to-network{display:grid;grid-template-columns:1fr auto 1fr auto 1.1fr;gap:.5rem;align-items:center;border-top:1px solid #b7d2d8;border-bottom:1px solid #b7d2d8;padding:1rem 0;margin:1.5rem 0;font-size:.875rem;line-height:1.45}
.node-to-network strong{color:var(--teal);font-size:.875rem}.node-to-network b{color:#679ba6;font-weight:400}
.setting-title{font-size:clamp(3.4rem,5.35vw,5.75rem);margin:1.2rem 0 1.5rem}
@media(max-height:780px) and (min-width:901px){.node-figure{top:42%;left:43%;right:4.5vw}.chapter-node h1{font-size:3.6vw}.chapter-node .lead{font-size:1.1rem}.node-to-network{margin:1rem 0;padding:.85rem 0}.chapter-copy .node-dome-note{margin-top:1rem}.setting-title{font-size:4.4vw}}
@media(max-width:1100px) and (min-width:901px){.node-figure{left:44%;right:2.5vw}.node-callout strong{font-size:.9375rem}.node-callout small{font-size:.8125rem}.node-to-network{gap:.4rem;font-size:.8125rem}.node-to-network strong{font-size:.8125rem}.chapter-nav a{padding:.8rem .75rem}}
@media(max-width:900px){
  :root{--scene:clamp(300px,38svh,410px)}
  .scene-shell{min-height:300px;max-height:410px}
  .node-figure{left:50%;right:auto;width:min(calc(100% - 24px),440px);top:48%;transform:translate(-50%,-46%) scale(.92)}
  .story[data-stage="-1"] .node-figure{transform:translate(-50%,-50%) scale(1)}
  .node-callout strong{font-size:.875rem;line-height:1.3;margin:.25rem 0 0}
  .node-callout small{display:none}.node-callout{width:24%}.callout-number{font-size:.75rem}
  .node-mount-label{display:none}
  .chapter-node h1{font-size:clamp(3rem,7.3vw,4.5rem)}
  .chapter-copy .node-dome-note{font-size:1rem}
  .node-to-network{max-width:530px;font-size:.875rem}.node-to-network strong{font-size:.875rem}
  .setting-title{font-size:clamp(3rem,7.5vw,4.5rem)!important}
  .chapter-nav a{padding:.65rem .65rem}
}
@media(max-width:600px){
  .chapter-nav{width:calc(100% - 1rem);max-width:calc(100% - 1rem);justify-content:space-between}
  .chapter-nav a[data-nav]{font-size:0;padding:.7rem .45rem}
  .chapter-nav a[data-nav]::after{content:attr(data-short);font-size:.875rem}
  .chapter-nav a[data-nav]>span{display:none}
  .motion-control{padding:.6rem .45rem;margin-left:0}
}
@media(max-width:520px){
  :root{--scene:clamp(300px,38svh,380px)}
  .scene-shell{min-height:300px;max-height:380px}
  .node-figure{width:calc(100% - 20px)}
  .chapter-node h1{font-size:2.9rem}
  .chapter .setting-title{font-size:3.25rem!important}
  .node-to-network{gap:.35rem;font-size:.875rem}.node-to-network strong{font-size:.875rem}
  .node-callout{width:25%}.callout-radar,.callout-acoustic{left:75%}
}
@media print{.node-figure{opacity:1;visibility:visible;position:relative;left:0;right:auto;top:0;width:70%;transform:none!important;margin:0 auto}.world{display:none}.scene-shell{height:auto;overflow:visible}.scene-topline{display:none}}