:root{--paper:#0e131b;--ink:#f3f5f8;--muted:#a6b1c1;--blue:#91afff;--red:#ff9399;--line:#303c4e;--gutter:clamp(24px,4vw,72px);font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*{box-sizing:border-box}html{scroll-behavior:smooth;scrollbar-width:thin;scrollbar-color:#4a586b var(--paper)}body{margin:0;overflow-x:hidden}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--blue);outline-offset:5px}button:disabled{cursor:default}::selection{background:var(--blue);color:var(--paper)}[hidden]{display:none!important}.mono{font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;font-size:9px;line-height:1.5;letter-spacing:.025em;font-weight:400}.skip-link{position:fixed;top:-80px;left:24px;padding:12px 18px;background:var(--ink);color:var(--paper);z-index:110}.skip-link:focus{top:16px}
#scene{position:fixed;inset:0;width:100%;height:100%;display:block;z-index:0;outline:none;touch-action:pan-y}.site-header{position:fixed;inset:0 0 auto;z-index:20;display:flex;align-items:center;justify-content:space-between;height:100px;padding:0 var(--gutter);pointer-events:none}.site-header>*{pointer-events:auto}.brand{display:inline-flex;align-items:center;gap:12px;font-size:25px;letter-spacing:-1.2px;font-weight:650}.brand svg{flex-shrink:0}.header-right{display:flex;align-items:center;gap:30px}.text-button{border:0;background:none;padding:12px 0;font-size:12px}.text-button:hover,.content-nav a:hover{color:var(--blue)}.content-nav{display:none;gap:25px;font-size:12px}.concept-label{color:var(--muted);font-size:10px;line-height:1.2;display:flex;align-items:center;gap:8px}.concept-label i{width:5px;height:5px;border:1px solid var(--muted);border-radius:50%}
#story{position:relative;height:742.375svh;z-index:2;pointer-events:none;outline:none}.story-step{position:fixed;inset:0;pointer-events:none;opacity:0;visibility:hidden;transition:none}.story-step.is-active{opacity:calc(var(--chapter-opacity,1)*var(--story-visibility,1));visibility:visible}.story-copy{position:absolute;top:49%;left:var(--gutter);width:32%;max-width:530px;transform:translateY(-48%);pointer-events:none}.story-copy button,.story-copy a{pointer-events:auto}.chapter-kicker{display:flex;align-items:center;gap:14px;font-size:11px;font-weight:500;line-height:1.4;margin:0 0 25px;color:var(--muted)}.chapter-kicker>span{font-variant-numeric:tabular-nums;color:var(--ink)}h1,h2{font-size:clamp(40px,4.8vw,76px);line-height:.98;font-weight:550;letter-spacing:-.065em;margin:0 0 28px}.story-description{font-size:clamp(15px,1.3vw,18px);line-height:1.5;letter-spacing:-.025em;max-width:300px;margin:0;color:#c7ced9}.start-button{display:flex;align-items:center;gap:25px;font-size:13px;font-weight:500;margin-top:32px;padding:0 0 12px;background:none;border:0;border-bottom:1px solid #66748b}.start-button>span{font-size:23px;font-weight:300;line-height:1}.start-button:hover{color:var(--blue);border-color:var(--blue)}.detail-caption{font-size:9px;font-family:"SFMono-Regular",Consolas,monospace;letter-spacing:.025em;line-height:1.6;color:var(--blue);margin:27px 0 0}.concept-note{font-size:11px;line-height:1.6;color:#b6c0cf;margin:30px 0 0;max-width:290px}.failure-label{margin:27px 0 0;display:flex;align-items:center;gap:9px;font-family:"SFMono-Regular",Consolas,monospace;font-size:9px;letter-spacing:.025em;color:var(--red)}.failure-label>span{border:1px solid currentColor;border-radius:50%;height:16px;width:16px;text-align:center;line-height:14px;font-size:10px}.story-step[data-step="4"] .story-copy{display:none}.story-step[data-step="5"] h2{font-size:clamp(36px,4.1vw,65px)}.story-step[data-step="7"] h2{font-size:clamp(35px,4.3vw,68px)}.story-step[data-step="8"] .story-copy{top:auto;bottom:102px;left:50%;width:80%;max-width:900px;transform:translateX(-50%);text-align:center}.story-step[data-step="8"] .chapter-kicker,.story-step[data-step="8"] .story-description{display:none}.story-step[data-step="8"] h2{font-size:clamp(25px,2.55vw,38px);line-height:1.06;letter-spacing:-.045em;margin:0}
body::before{content:"";position:fixed;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,rgba(14,19,27,.76),rgba(14,19,27,.45) 24%,transparent 48%)}body::before{opacity:calc(var(--copy-shade,1)*var(--story-visibility,1))}body.is-after-story::before{display:none}#loading{position:fixed;left:70%;top:54%;transform:translate(-50%,-50%);font-size:12px;z-index:1;color:var(--muted);display:flex;align-items:center;gap:10px}#loading span{width:5px;height:5px;background:var(--blue);border-radius:50%}body.is-ready #loading{opacity:0;visibility:hidden}
.story-controls{position:fixed;bottom:0;left:0;right:0;z-index:25;height:80px;margin:0 var(--gutter);display:flex;align-items:center;justify-content:space-between;border-top:1px solid rgba(184,199,222,.17);isolation:isolate}.story-controls::before{content:"";position:absolute;inset:0 calc(-1 * var(--gutter));background:linear-gradient(to top,rgba(14,19,27,.98),rgba(14,19,27,.72) 55%,rgba(14,19,27,0));z-index:-1;pointer-events:none}.chapter-status{display:flex;gap:10px;align-items:center;font-size:10px;min-width:200px}.status-dot{height:4px;width:4px;background:var(--blue);border-radius:50%}.chapter-nav{display:flex;gap:22px;align-items:center}.chapter-nav button{border:0;background:none;padding:16px 0;display:flex;gap:6px;align-items:center;font-size:9px;color:#99a6ba}.chapter-nav button>span:first-child{font-variant-numeric:tabular-nums}.chapter-nav button.is-active,.chapter-nav button[aria-current="step"],.chapter-nav button:hover{color:var(--ink)}.chapter-nav button.is-active>span:first-child,.chapter-nav button[aria-current="step"]>span:first-child{color:var(--blue)}.replay-button{display:flex;align-items:center;gap:8px;padding:14px 0 14px 24px;font-size:10px;border:0;background:none;min-width:95px;justify-content:flex-end}.replay-button>span{font-size:20px;line-height:1}.replay-button:hover{color:var(--blue)}.progress-track{position:absolute;top:-1px;left:0;right:0;height:1px;pointer-events:none}#progress{height:100%;background:var(--blue);transform:scaleX(0);transform-origin:left;will-change:transform}
/* A compact calculation view. The changing geometry carries the sequence. */
.engineering-ui{position:fixed;inset:0;z-index:5;pointer-events:none}.design-heading{position:absolute;top:137px;left:var(--gutter)}.design-heading>.mono{color:#9aacc7}.design-heading h2{font-size:36px;letter-spacing:-.045em;line-height:1.1;margin:13px 0 0}.design-rail{position:absolute;left:50%;bottom:114px;transform:translateX(-50%)}.candidate-list{display:flex;gap:5px;padding:4px;border:1px solid #354256;border-radius:4px;background:rgba(13,19,28,.9);pointer-events:auto}.candidate-list button{display:flex;gap:9px;align-items:center;justify-content:center;min-width:104px;height:38px;padding:0 13px;border:1px solid transparent;border-radius:2px;background:transparent;color:#8f9db2;font-size:11px}.candidate-list button>.mono{font-size:8px;color:#6c7c94}.candidate-state{display:none}.candidate-list button:hover{background:#1c2738;color:#e5ecf8}.candidate-list button.is-active,.candidate-list button.selected,.candidate-list button[aria-pressed="true"],.candidate-list button[data-selected="true"]{background:#25364f;border-color:#3e587c;color:#f0f5ff}.candidate-list button.is-active>.mono,.candidate-list button.selected>.mono,.candidate-list button[aria-pressed="true"]>.mono{color:#a6c0ff}.rail-note{font-size:9px;text-align:center;color:#8291a8;line-height:1.5;margin:10px 0 0}.design-readout{position:absolute;right:var(--gutter);top:155px;width:195px}.design-readout>.mono{color:#8597af}.design-readout strong{display:block;font-size:23px;font-weight:500;line-height:1.2;letter-spacing:-.035em;margin:13px 0 10px;color:var(--red)}.design-readout p{font-size:11px;line-height:1.6;color:#acb8ca;margin:0}.design-readout strong.is-valid,.design-readout strong.success,.design-readout[data-status="success"] strong,.design-readout[data-status="pass"] strong,.engineering-ui[data-candidate="2"] .design-readout strong{color:#b3c9ff}.iteration-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid #2c3a4d;padding-top:14px;margin-top:20px;color:#95a6bd;font-size:10px}#iteration-index{color:#d2dcec;font-variant-numeric:tabular-nums}.cad-caption{position:absolute;bottom:125px;right:var(--gutter);color:#6e819a;font-size:8px}.cad-axis{position:absolute;bottom:126px;left:var(--gutter);width:55px;height:48px;color:#91a4bd;font-size:9px;font-family:Consolas,monospace}.cad-axis i{position:absolute;left:15px;top:10px;width:26px;height:26px;border-left:1px solid #97a7c2;border-bottom:1px solid #7595d3}.cad-axis i::after{content:"";position:absolute;width:24px;height:1px;background:#a899a1;left:0;bottom:0;transform:rotate(-135deg);transform-origin:left}.cad-axis span:nth-child(1){position:absolute;top:-3px;left:12px}.cad-axis span:nth-child(3){position:absolute;left:-4px;top:14px}.cad-axis span:nth-child(4){position:absolute;left:45px;top:31px}
.factory-labels{position:fixed;inset:0;z-index:4;pointer-events:none}.factory-labels>div{position:fixed;display:grid;grid-template-columns:5px 1fr;column-gap:8px;row-gap:4px;transform:translate(-50%,-100%);min-width:145px;max-width:190px;padding:10px 12px;background:rgba(13,20,30,.91);border:1px solid #39485e;border-left:2px solid #e8b780;border-radius:2px}.factory-labels i{width:4px;height:4px;border-radius:50%;background:#e8b780;align-self:center}.factory-labels span{font-size:11px;line-height:1.2}.factory-labels small{grid-column:2;font-size:9px;color:#a5b2c5}.factory-labels>div.resolved,.factory-labels>div.is-resolved,.factory-labels>div[data-resolved="true"]{border-left-color:#a8c7ff}.factory-labels>div.resolved i,.factory-labels>div.is-resolved i,.factory-labels>div[data-resolved="true"] i{background:#a8c7ff}
/* Neutral workspace surfaces, a large transparent viewport, minimal surrounding information. */
.workspace{position:fixed;top:116px;bottom:193px;left:var(--gutter);right:var(--gutter);z-index:6;border:1px solid #334155;border-radius:4px;background:transparent;overflow:hidden;pointer-events:none}.workspace-toolbar{position:absolute;top:0;left:0;right:0;height:40px;display:flex;align-items:center;justify-content:space-between;gap:15px;padding:0 15px;background:rgba(19,28,41,.97);border-bottom:1px solid #334155;font-size:10px}.workspace-toolbar>span:first-child{display:flex;align-items:center;gap:8px}.workspace-toolbar i{width:5px;height:5px;background:#9ab8fa;border-radius:1px}.workspace-toolbar>.mono{color:#95a5bd;font-size:8px}.workspace-status{font-size:9px;color:#bccce4}.workspace-tree{position:absolute;top:40px;bottom:0;left:0;width:164px;padding:22px 11px;background:rgba(14,22,34,.97);border-right:1px solid #2b394e}.workspace-tree>.mono{font-family:inherit;font-size:10px;letter-spacing:0;color:#899bb5;display:block;padding:0 6px 8px}.tree-item{position:relative;font-size:10px;line-height:1.3;padding:12px 6px 12px 22px;border-radius:2px;margin-top:5px;color:#c5cfdf}.tree-item i{position:absolute;left:7px;top:16px;width:6px;height:6px;border:1px solid #70839f;transform:rotate(30deg)}.tree-item small{display:block;font-size:8px;line-height:1.5;color:#8093ae;margin-top:5px}.tree-item.selected{background:#223249;color:#eef3fc}.tree-item.selected i{border-color:#acc3f3}.tree-item.selected small{color:#a5b8d7}.workspace-note{position:absolute;left:18px;bottom:20px;margin:0;font-size:9px;color:#798da9;line-height:1.6}.blueprint{position:absolute;right:0;top:40px;bottom:0;width:188px;padding:22px 16px;background:rgba(16,25,38,.97);border-left:1px solid #2c3d55;color:#9eb5db}.blueprint>.mono{font-family:inherit;font-size:9px;letter-spacing:0;color:#859bbd}.blueprint h3{font-size:15px;line-height:1.2;font-weight:500;letter-spacing:-.025em;color:#e1e9f6;margin:9px 0 5px}.blueprint svg{display:block;width:100%;height:auto;margin:8px 0 0;color:#a8bfe7}.blueprint dl{margin:18px 0 0;font-size:8px;line-height:1.5}.blueprint dl>div{display:flex;justify-content:space-between;gap:8px;padding:8px 0;border-bottom:1px solid #2b3a51}.blueprint dt{color:#8096b7}.blueprint dd{margin:0;color:#bbcce5;text-align:right}.blueprint>p{font-size:8px;line-height:1.6;color:#8298b8;margin:19px 0 0}.workspace-view{position:absolute;left:182px;bottom:14px;color:#8196b4;font-size:8px;padding:5px 7px;background:rgba(13,20,31,.56)}
#vision-dialog{width:min(580px,calc(100vw - 40px));max-height:calc(100svh - 60px);border:1px solid #4a5b75;border-radius:4px;background:#151f2d;color:var(--ink);padding:50px;box-shadow:0 30px 120px #0008}#vision-dialog::backdrop{background:rgba(6,12,22,.83)}#vision-dialog h2{font-size:56px;line-height:.98;margin-bottom:28px}#vision-dialog>p:not(.chapter-kicker){font-size:15px;line-height:1.65;color:#c0ccde}#vision-dialog>.concept-note{font-size:11px!important;max-width:none;color:#8fa4c2!important;margin-top:28px}.dialog-close{position:absolute;top:12px;right:13px;width:36px;height:36px;font-size:27px;background:none;border:0;color:#c8d5e9}.dialog-close:hover{color:var(--blue)}
.intro{position:fixed;inset:0;z-index:100;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0b1018;color:#f5f7fc;transition:opacity .42s ease,visibility .42s ease}.intro-mark{display:flex;align-items:center;gap:20px;font-size:clamp(32px,4vw,54px);font-weight:550;letter-spacing:-.055em}.intro-mark svg{color:#b8cbf3}.intro>p{font-size:12px;color:#91a1b9;line-height:1.5;margin:24px 0 0}.intro.is-leaving,.intro.is-exiting{opacity:0;visibility:hidden;pointer-events:none}
#fallback{position:fixed;right:0;top:13%;width:65%;height:72%;z-index:1;pointer-events:none}.fallback-machine{width:100%;height:100%;overflow:visible}.fallback-note{font-size:11px;text-align:center;color:var(--muted);margin:-18px 0 0}.fallback-new-tool,.fallback-new-product,.fallback-dimension{display:none}body[data-step="2"] .fallback-new-product,body[data-step="3"] .fallback-new-product,body[data-step="4"] .fallback-new-product,body[data-step="5"] .fallback-new-product,body[data-step="6"] .fallback-new-product,body[data-step="7"] .fallback-new-product,body[data-step="8"] .fallback-new-product,body[data-step="5"] .fallback-new-tool,body[data-step="6"] .fallback-new-tool,body[data-step="7"] .fallback-new-tool,body[data-step="8"] .fallback-new-tool,body[data-step="3"] .fallback-dimension,body[data-step="4"] .fallback-dimension{display:block}body:not([data-step="0"]):not([data-step="1"]) .fallback-old-product,body[data-step="5"] .fallback-old-tool,body[data-step="6"] .fallback-old-tool,body[data-step="7"] .fallback-old-tool,body[data-step="8"] .fallback-old-tool{display:none}.scene-fallback .engineering-ui,.scene-fallback .workspace,.scene-fallback .factory-labels{display:none}.scene-fallback .story-step[data-step="4"] .story-copy{display:block}
/* After the film, the page becomes a clear, useful reading experience. */
#after-story{position:relative;z-index:8;background:#eef1f5;color:#1b2637;padding-top:12px}.content-section{width:min(1296px,calc(100% - 2 * var(--gutter)));margin:0 auto;padding:105px 0}.section-label{display:block;font-size:12px;line-height:1.5;color:#526680;margin-bottom:24px}.vision-section{display:grid;grid-template-columns:29% 1fr;gap:65px;padding-top:122px}.section-side>p{font-size:12px;line-height:1.6;color:#708198;margin-top:55px}.vision-content h2,.section-intro h2,.replay-section h2{font-size:clamp(38px,4.3vw,63px);line-height:1.03;letter-spacing:-.055em;font-weight:500;margin:0 0 30px}.vision-content>p{font-size:15px;line-height:1.75;color:#596a80;max-width:650px;margin:18px 0 0}.vision-content>.content-lead{font-size:20px;line-height:1.6;letter-spacing:-.025em;color:#33455e;margin-top:35px}.vision-content>.content-note{font-size:11px;color:#7a8ba0;margin-top:35px}.workflow-section{border-top:1px solid #c8d1df}.section-intro{margin-bottom:58px}.workflow-section .section-intro{display:grid;grid-template-columns:29% 1fr;gap:65px}.workflow-section .section-intro .section-label{padding-top:5px}.section-intro h2{margin-bottom:0}.section-intro>p{font-size:15px;line-height:1.7;color:#5e718b;max-width:440px;margin:25px 0 0}.workflow-list{list-style:none;margin:0;padding:0}.workflow-list li{display:grid;grid-template-columns:8% 35% 1fr;gap:25px;padding:34px 0;border-top:1px solid #c9d2df}.workflow-number{font-size:13px;line-height:1.8;color:#7184a0;font-variant-numeric:tabular-nums}.workflow-list h3{font-size:22px;line-height:1.25;letter-spacing:-.035em;font-weight:500;margin:0}.workflow-list p{font-size:14px;line-height:1.7;color:#5a6d88;margin:0;max-width:480px}.applications-section{background:#dfe5ed}.applications-section .content-section{padding-top:95px;padding-bottom:70px}.applications-section .section-intro{padding-left:calc(29% + 65px);margin-bottom:55px}.application-list{border-top:1px solid #bbc7d7}.application-list article{display:grid;grid-template-columns:18% 1fr 180px;gap:45px;align-items:center;padding:32px 0;border-bottom:1px solid #bbc7d7}.application-tag{font-size:11px;color:#607796}.application-list h3{font-size:24px;line-height:1.2;font-weight:500;letter-spacing:-.035em;margin:0 0 13px}.application-list p{font-size:14px;line-height:1.7;color:#556c89;max-width:540px;margin:0}.application-list svg{width:100%;height:110px;color:#506f9c;opacity:.8}.faq-section{display:grid;grid-template-columns:29% 1fr;gap:65px;padding-bottom:105px}.faq-section .section-side h2{font-size:43px;line-height:1.05;font-weight:500;letter-spacing:-.045em;margin:0}.faq-list{border-top:1px solid #c7d1df}.faq-list details{border-bottom:1px solid #c7d1df}.faq-list summary{list-style:none;cursor:pointer;display:flex;gap:20px;align-items:center;justify-content:space-between;font-size:16px;line-height:1.5;font-weight:500;letter-spacing:-.02em;padding:24px 0}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary>span{font-size:22px;color:#7b8ea9;font-weight:300;min-width:16px;text-align:center}.faq-list details[open] summary>span{transform:rotate(45deg)}.faq-list p{font-size:14px;line-height:1.75;max-width:650px;margin:0 35px 26px 0;color:#5d718d}.replay-section{border-top:1px solid #c8d1df;display:flex;justify-content:space-between;gap:55px;align-items:flex-end;padding-bottom:102px}.replay-section h2{margin-bottom:0}.replay-link{display:flex;align-items:center;justify-content:space-between;gap:45px;border-bottom:1px solid #697f9f;padding:13px 0 17px;font-size:14px;line-height:1.4;margin-bottom:6px;min-width:265px}.replay-link:hover{color:#315dba;border-color:#315dba}.page-footer{margin:0 var(--gutter);border-top:1px solid #c8d1df;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:34px 0 38px;color:#7b8ba2;font-size:10px}.footer-wordmark{font-size:21px;font-weight:600;letter-spacing:-.055em;color:#25364f}.page-footer>p{margin:0}.page-footer>span:last-child{font-size:9px}body.is-after-story .site-header{background:rgba(238,241,245,.97);color:#223249;border-bottom:1px solid rgba(168,183,205,.2)}body.is-after-story .concept-label{color:#657b99}body.is-after-story .concept-label i{border-color:#657b99}body.is-after-story .content-nav{display:flex}body.is-after-story .story-step,body.is-after-story .story-controls,body.is-after-story .engineering-ui,body.is-after-story .workspace,body.is-after-story .factory-labels,body.is-after-story #fallback{visibility:hidden!important;pointer-events:none!important}#workflow,#applications,#questions,#after-story{scroll-margin-top:95px}
@media(min-width:1800px){.story-copy{max-width:600px}h1,h2{font-size:84px}.workspace-tree{width:184px}.blueprint{width:210px}.workspace-view{left:202px}}
@media(max-width:1100px) and (min-width:760px){.site-header{height:86px}.header-right{gap:20px}.story-copy{width:34%}h1,h2{font-size:4.8vw}.chapter-nav{gap:14px}.chapter-status{min-width:155px;font-size:9px}.replay-button{min-width:65px}.design-heading{top:119px}.design-heading h2{font-size:30px}.design-readout{width:160px;top:135px}.design-readout strong{font-size:20px}.workspace{top:104px}.workspace-tree{width:145px;padding-left:8px;padding-right:8px}.blueprint{width:165px;padding-left:12px;padding-right:12px}.workspace-view{left:160px}.workspace-toolbar>.mono{font-size:7px}.content-section{padding-top:85px;padding-bottom:85px}.vision-section,.workflow-section .section-intro,.faq-section{grid-template-columns:25% 1fr;gap:40px}.applications-section .section-intro{padding-left:calc(25% + 40px)}.application-list article{grid-template-columns:15% 1fr 130px;gap:30px}.workflow-list li{grid-template-columns:7% 36% 1fr;gap:20px}.workflow-list h3{font-size:20px}.vision-content>.content-lead{font-size:18px}}
@media(max-height:760px) and (min-width:760px){.site-header{height:78px}.story-copy{top:47%}.chapter-kicker{margin-bottom:18px}h1,h2{font-size:clamp(38px,4.3vw,66px);margin-bottom:20px}.start-button{margin-top:22px}.story-controls{height:68px}.design-heading{top:102px}.design-heading h2{font-size:28px}.design-readout{top:110px}.design-rail{bottom:94px}.cad-caption{bottom:117px}.cad-axis{bottom:108px}.workspace{top:96px;bottom:159px}.story-step[data-step="8"] .story-copy{bottom:86px}.story-step[data-step="8"] h2{font-size:28px}.workspace-tree,.blueprint{padding-top:16px}.tree-item{padding-top:10px;padding-bottom:10px;margin-top:3px}.tree-item i{top:14px}.workspace-note{display:none}.blueprint svg{height:107px}.blueprint dl{margin-top:8px}.blueprint dl>div{padding:6px 0}.blueprint>p{margin-top:12px}}
@media(max-width:759px){:root{--gutter:24px}.site-header{height:78px}.brand{font-size:22px;gap:9px;letter-spacing:-1px}.brand svg{width:22px;height:28px}.header-right{gap:13px}.text-button{font-size:10px}.concept-label{font-size:9px;gap:5px}.concept-label i{width:4px;height:4px}.story-copy{top:122px;left:var(--gutter);width:calc(100% - 48px);max-width:430px;transform:none}.chapter-kicker{font-size:10px;gap:10px;margin-bottom:17px}h1,h2,.story-step[data-step="5"] h2,.story-step[data-step="7"] h2{font-size:clamp(38px,10.5vw,57px);line-height:.98;letter-spacing:-.06em;margin-bottom:17px}.story-description{font-size:13px;line-height:1.45;max-width:240px}.start-button{font-size:11px;margin-top:21px;padding-bottom:8px}.detail-caption,.failure-label{font-size:8px;margin-top:20px}.concept-note{font-size:10px;line-height:1.5;margin-top:16px}.story-controls{height:70px;gap:12px}.chapter-status{display:none}.chapter-nav{gap:15px;flex:1}.chapter-nav button{font-size:9px;gap:4px;min-height:44px}.nav-name{display:none}.chapter-nav button.is-active .nav-name,.chapter-nav button[aria-current="step"] .nav-name{display:inline}.replay-button{min-width:0;font-size:10px;padding-left:0;gap:5px}.replay-button>span{font-size:18px}.engineering-ui .mono{font-size:8px}.design-heading{top:104px;right:24px}.design-heading h2{font-size:30px;margin-top:10px}.design-rail{bottom:102px;max-width:calc(100% - 40px)}.candidate-list{gap:2px;padding:3px}.candidate-list button{min-width:90px;height:40px;padding:0 9px;gap:7px;font-size:10px}.candidate-list button>.mono{font-size:7px}.rail-note{font-size:8px;margin-top:8px}.design-readout{right:24px;top:210px;width:142px}.design-readout strong{font-size:18px;margin:9px 0}.design-readout p{font-size:9px;line-height:1.45}.iteration-meta{padding-top:10px;margin-top:13px;font-size:9px}.cad-axis{bottom:198px;left:26px;transform:scale(.75);transform-origin:left bottom}.cad-caption{bottom:195px;font-size:7px;right:24px}.factory-labels>div{min-width:110px;max-width:145px;padding:7px 9px;column-gap:5px}.factory-labels span{font-size:9px}.factory-labels small{font-size:8px}.workspace{top:102px;bottom:194px;left:14px;right:14px}.workspace-toolbar{height:36px;padding:0 10px;font-size:9px}.workspace-toolbar>.mono{display:none}.workspace-status{font-size:8px}.workspace-tree{top:36px;width:105px;padding:16px 6px}.workspace-tree>.mono{font-size:8px;padding-left:5px}.tree-item{font-size:8px;padding:10px 4px 10px 17px;margin-top:6px}.tree-item i{width:5px;height:5px;left:5px;top:13px}.tree-item small{font-size:7px}.workspace-note{left:12px;bottom:16px;font-size:8px}.blueprint{display:none}.workspace-view{left:116px;right:5px;bottom:10px;font-size:6px;padding:4px;line-height:1.5}.story-step[data-step="8"] .story-copy{bottom:99px;width:calc(100% - 36px)}.story-step[data-step="8"] h2{font-size:25px;line-height:1.05;letter-spacing:-.045em}.story-step[data-step="8"] h2 br{display:none}#loading{left:50%;top:68%;font-size:11px}#fallback{width:100%;height:52%;top:41%;right:0}.fallback-note{margin:-45px 24px 0;font-size:9px}.fallback-machine{transform:scale(.92)}#vision-dialog{padding:42px 26px}#vision-dialog h2{font-size:44px}#vision-dialog>p:not(.chapter-kicker){font-size:13px}.intro-mark{font-size:37px;gap:14px}.intro-mark svg{width:32px;height:39px}.intro>p{font-size:10px}.content-section{width:calc(100% - 48px);padding:68px 0}.vision-section,.workflow-section .section-intro,.faq-section{display:block}.section-label{font-size:10px;margin-bottom:20px}.section-side>p{display:none}.vision-content h2,.section-intro h2,.replay-section h2{font-size:39px;line-height:1.04;letter-spacing:-.055em;margin-bottom:23px}.vision-content>.content-lead{font-size:17px;line-height:1.6;margin-top:25px}.vision-content>p{font-size:13px;line-height:1.75;margin-top:20px}.vision-content>.content-note{font-size:10px;margin-top:25px}.section-intro{margin-bottom:35px}.workflow-list li{grid-template-columns:35px 1fr;gap:7px 12px;padding:25px 0}.workflow-number{grid-row:1 / 3;font-size:11px;line-height:1.7}.workflow-list h3{font-size:20px}.workflow-list p{grid-column:2;font-size:13px;line-height:1.65}.applications-section .content-section{padding-top:68px;padding-bottom:42px}.applications-section .section-intro{padding-left:0;margin-bottom:35px}.section-intro>p{font-size:13px;line-height:1.65;margin-top:21px}.application-list article{grid-template-columns:1fr 76px;gap:15px 18px;align-items:start;padding:27px 0}.application-tag{grid-column:1;font-size:10px}.application-list article>div{grid-column:1}.application-list h3{font-size:21px;line-height:1.2;margin-bottom:12px}.application-list p{font-size:12px;line-height:1.7}.application-list svg{grid-column:2;grid-row:1 / 3;align-self:center;height:80px}.faq-section .section-side h2{font-size:36px;line-height:1.05;margin-bottom:34px}.faq-list summary{font-size:14px;padding:20px 0;gap:15px;line-height:1.5}.faq-list p{font-size:13px;line-height:1.7;margin-right:10px}.replay-section{display:block;padding-bottom:65px}.replay-link{font-size:13px;min-width:0;max-width:290px;margin-top:32px;gap:30px}.page-footer{flex-wrap:wrap;gap:18px 25px;margin:0 24px;padding:27px 0 30px}.footer-wordmark{font-size:22px;flex-basis:100%}.page-footer>p{font-size:9px}.page-footer>span:last-child{font-size:8px;margin-left:auto}body.is-after-story .content-nav{display:none}#workflow,#applications,#questions,#after-story{scroll-margin-top:77px}}
@media(max-width:400px){:root{--gutter:20px}.header-right{gap:10px}.concept-label{max-width:65px;font-size:8px}.brand{font-size:21px}.story-copy{left:20px;width:calc(100% - 40px)}.chapter-nav{gap:11px}.chapter-nav button{font-size:8px}.design-heading{left:20px}.design-readout{right:20px}.candidate-list button{min-width:84px;padding-left:7px;padding-right:7px;font-size:9px}.content-section{width:calc(100% - 40px)}.vision-content h2,.section-intro h2,.replay-section h2{font-size:35px}.page-footer{margin-left:20px;margin-right:20px}}
@media(max-width:759px) and (max-height:720px){.story-copy{top:102px}.chapter-kicker{margin-bottom:12px}h1,h2,.story-step[data-step="5"] h2,.story-step[data-step="7"] h2{font-size:37px;margin-bottom:13px}.story-description{font-size:12px}.story-controls{height:62px}.design-heading{top:92px}.design-heading h2{font-size:25px}.design-readout{top:174px}.design-rail{bottom:85px}.cad-caption{bottom:175px}.cad-axis{bottom:182px}.workspace{top:92px;bottom:169px}.story-step[data-step="8"] .story-copy{bottom:84px}.story-step[data-step="8"] h2{font-size:23px}.workspace-note{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}

/* Unnamed distant stations remain quiet, allowing the main changes to read. */
.factory-labels>div.compact{display:block;width:9px;height:9px;min-width:0;max-width:none;padding:0;border:1px solid #e8b780;border-radius:50%;background:#182232}.factory-labels>div.compact>span,.factory-labels>div.compact>small{display:none}.factory-labels>div.compact>i{position:absolute;left:2px;top:2px;width:3px;height:3px}.factory-labels>div.compact.resolved,.factory-labels>div.compact.is-resolved,.factory-labels>div.compact[data-resolved="true"]{border-color:#a8c7ff}
.intro::after,.intro::before{content:"";position:absolute;left:calc(50% - 40px);bottom:104px;width:80px;height:1px;background:#28384f}.intro::before{z-index:1;background:#9ab8f4;transform:scaleX(var(--intro-progress,0));transform-origin:left}body.is-intro>:not(#intro):not(#scene):not(script){visibility:hidden!important}

/* Let the live approach emerge under the introduction instead of cutting to it. */
.intro{--intro-surface:clamp(0,calc((.8 - var(--intro-progress,0)) / .55),1);--intro-reveal:clamp(0,calc(var(--intro-progress,0) / .12),1);--intro-fade:clamp(0,calc((.8 - var(--intro-progress,0)) / .35),1);background:rgb(11 16 24 / var(--intro-surface))}.intro-mark{opacity:min(var(--intro-reveal),var(--intro-fade));transform:translateY(calc(8px - var(--intro-reveal) * 8px))}.intro-mark svg path{stroke-dasharray:130;stroke-dashoffset:calc(130 * (1 - clamp(0,calc(var(--intro-progress,0) / .22),1)))}.intro-mark>span{filter:blur(clamp(0px,calc(6px - var(--intro-progress,0) * 50px),6px))}.intro>p{opacity:min(var(--intro-reveal),var(--intro-fade))}.intro::after,.intro::before{opacity:var(--intro-fade)}body.is-intro #scene{visibility:visible!important}body.is-intro::before{display:none}
@media(prefers-reduced-motion:reduce){.intro-mark svg path{stroke-dashoffset:0}.intro-mark>span{filter:none}.intro-mark{transform:none}}


.model-view-controls{display:flex;gap:3px;padding:3px;border:1px solid #354052;border-radius:4px;pointer-events:auto}.model-view-controls button{font:inherit;font-size:9px;border:0;border-radius:2px;background:transparent;padding:5px 9px;color:#98a7bd}.model-view-controls button[aria-pressed="true"]{background:#29384d;color:#edf2fa}body[data-step="8"]:not(.is-after-story) #scene{cursor:grab}body.is-orbiting #scene{cursor:grabbing}
@media(min-width:760px) and (max-height:550px){.workspace-tree,.blueprint{overflow-y:auto;pointer-events:auto}}
@media(max-width:759px){.model-view-controls button{font-size:8px;padding:4px 6px}.workspace-toolbar>span:first-child{font-size:8px}}

.explore-more{display:none;align-items:center;gap:20px;min-width:185px;font-size:11px;color:#b6cbf4}body[data-step="8"] .explore-more{display:inline-flex}body[data-step="8"] .chapter-status{display:none}@media(max-width:759px){.explore-more{min-width:0;font-size:9px;gap:7px}body[data-step="8"] .chapter-nav{display:none}}

/* Portrait framing keeps the scene below copy without dimming the factory. */
@media(max-width:759px){body::before,body[data-step="1"]::before,body[data-step="2"]::before,body[data-step="7"]::before{background:linear-gradient(180deg,#101316 0,rgba(16,19,22,.9) 27%,transparent 45%)}.workspace-view{font-size:7px}}
@media(pointer:coarse){.workspace-view{font-size:0}.workspace-view::after{content:"Power-module cell";font-size:8px}}

/* Compact landscape preserves a separate model area and readable controls. */
@media(min-width:760px) and (max-height:550px){
 .site-header{height:60px}.story-controls{height:48px}.story-copy{top:48%}.chapter-kicker{margin-bottom:12px}h1,h2,.story-step[data-step="5"] h2,.story-step[data-step="7"] h2{font-size:32px;margin-bottom:14px}.story-description{font-size:12px}.start-button{margin-top:14px}
 .design-heading{top:76px}.design-heading h2{font-size:22px}.design-readout{top:76px;width:150px}.design-readout strong{font-size:18px}.design-readout p{font-size:10px}.iteration-meta{margin-top:10px;padding-top:8px}.design-rail{bottom:59px}.candidate-list button{height:34px;min-width:85px;font-size:9px}.rail-note{display:none}.cad-caption{bottom:101px}.cad-axis{bottom:105px;transform:scale(.65);transform-origin:bottom left}
 .workspace{top:76px;bottom:113px}.workspace-toolbar{height:32px}.workspace-tree{top:32px;width:138px;padding:9px 7px}.workspace-tree>.mono{font-size:8px;padding-bottom:3px}.tree-item{padding:6px 4px 6px 19px;margin-top:2px;font-size:9px}.tree-item i{top:9px}.tree-item small,.workspace-note,.blueprint{display:none}.workspace-view{left:146px;bottom:7px;font-size:7px}.story-step[data-step="8"] .story-copy{bottom:59px}.story-step[data-step="8"] h2{font-size:21px;line-height:1.06;margin-bottom:0}
}
#scene:focus-visible{outline:none}body:has(#scene:focus-visible) .workspace{outline:2px solid var(--blue);outline-offset:3px}

body.is-intro .story-step{visibility:hidden!important}

/* Start the hero entrance when the introduction releases the page. */
@keyframes hero-copy-enter{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
body.is-ready:not(.is-intro) .story-step[data-step="0"] .story-copy>*{animation:hero-copy-enter 700ms cubic-bezier(.22,1,.36,1) both}
body.is-ready:not(.is-intro) .story-step[data-step="0"] h1{animation-delay:70ms}
body.is-ready:not(.is-intro) .story-step[data-step="0"] .story-description{animation-delay:160ms}
body.is-ready:not(.is-intro) .story-step[data-step="0"] .start-button{animation-delay:240ms}
body.is-ready:not(.is-intro) .story-step[data-step="0"] .start-button:focus-visible{animation:none}

.engineering-ui[data-result="testing"] .design-readout strong{color:#d6dfec}

/* The design study keeps the live assembly central and the evidence at its edges. */
.engineering-ui .design-heading{top:128px;max-width:330px}
.engineering-ui .design-heading>.mono{font-size:9px;letter-spacing:.09em;color:#94a6c0}
.engineering-ui .design-heading h2{font-size:43px;line-height:1.02;letter-spacing:-.055em;margin:17px 0 0;font-weight:500}
.engineering-ui .study-context{font-size:11px;line-height:1.5;color:#8f9eb2;margin:17px 0 0}
.engineering-ui .design-readout{top:143px;width:200px;padding-left:20px;border-left:1px solid #344153}
.engineering-ui .study-label{font-size:9px;letter-spacing:.06em;color:#97a8bf}
.engineering-ui .design-readout strong{color:#e4b77d;font-size:25px;line-height:1.1;letter-spacing:-.035em;margin:13px 0 10px;font-weight:500}
.engineering-ui .design-readout>p{font-size:11px;line-height:1.55;color:#aebccc;min-height:34px}
.engineering-ui .study-parameters{display:grid;grid-template-columns:1fr 1fr;gap:17px 14px;margin:24px 0 20px}
.engineering-ui .study-parameters>div{min-width:0}
.engineering-ui .study-parameters dt{font-size:9px;line-height:1.4;color:#7f92ac;margin-bottom:6px}
.engineering-ui .study-parameters dd{font-family:"SFMono-Regular",Consolas,monospace;font-size:16px;line-height:1.2;font-weight:400;font-variant-numeric:tabular-nums;letter-spacing:-.04em;color:#edf2f8;margin:0}
.engineering-ui .study-material{border-top:1px solid #303e51;padding-top:13px;display:flex;flex-direction:column;gap:7px}
.engineering-ui .study-material>.mono{font-size:9px;color:#7f92ac}
.engineering-ui #iteration-material{font-size:10px;line-height:1.45;letter-spacing:.025em;color:#c7d3e3}
.engineering-ui .design-readout>.parameter-note{font-size:8px;line-height:1.5;color:#72859e;margin-top:13px;min-height:0}
.engineering-ui .design-rail{bottom:108px;width:372px;max-width:calc(100% - 48px)}
.engineering-ui .attempt-heading{display:flex;justify-content:space-between;align-items:center;color:#9cacc1;font-size:9px;letter-spacing:.045em;margin-bottom:9px}
.engineering-ui #iteration-index{color:#dce6f5;font-variant-numeric:tabular-nums}
.engineering-ui .attempt-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:4px;margin-bottom:17px}
.engineering-ui .attempt-strip i{height:3px;background:#2d3a4d}
.engineering-ui .attempt-strip i[data-state="rejected"]{background:#8d7154}
.engineering-ui .attempt-strip i[data-state="testing"]{background:#dde8fa;box-shadow:0 0 8px #afcbff30}
.engineering-ui .attempt-strip i[data-state="accepted"]{background:#79a7ff}
.engineering-ui .candidate-list{padding:3px;gap:3px;border-color:#344154;border-radius:3px;background:rgba(13,19,28,.88)}
.engineering-ui .candidate-list button{flex:1;min-width:0;height:36px;padding:0 11px;font-size:10px;border-radius:2px;gap:9px}
.engineering-ui .candidate-list button[aria-pressed="true"]{background:#28374c;border-color:#455c7b;color:#edf3fd}
.engineering-ui .rail-note{font-size:8px;line-height:1.4;color:#7d8fa8;margin:10px 0 0}
.engineering-ui[data-result="testing"] .design-readout strong{color:#dce6f5}
.engineering-ui[data-result="rejected"] .design-readout strong{color:#e4b77d}
.engineering-ui[data-result="accepted"] .design-readout{border-color:#6c99f3}
.engineering-ui[data-result="accepted"] .design-readout strong{color:#a9c7ff}
.engineering-ui[data-result="accepted"] .design-heading h2{color:#f2f6ff}
.engineering-ui[data-result="accepted"] .candidate-list button[data-candidate="2"]{border-color:#5279be;background:#243b62}
@media(min-width:760px) and (max-width:1100px){.engineering-ui .design-heading{top:113px;max-width:255px}.engineering-ui .design-heading h2{font-size:35px}.engineering-ui .design-readout{top:122px;width:174px;padding-left:15px}.engineering-ui .design-readout strong{font-size:22px}.engineering-ui .study-parameters dd{font-size:14px}}
@media(min-width:760px) and (max-height:760px){.engineering-ui .design-heading{top:104px}.engineering-ui .design-heading h2{font-size:34px}.engineering-ui .design-readout{top:111px}.engineering-ui .design-readout strong{font-size:22px}.engineering-ui .study-parameters{gap:13px;margin:19px 0 15px}.engineering-ui .design-rail{bottom:91px}.engineering-ui .study-context{margin-top:13px}}
@media(max-width:759px){.engineering-ui .design-heading{top:102px;left:24px;max-width:265px}.engineering-ui .design-heading>.mono{font-size:8px}.engineering-ui .design-heading h2{font-size:30px;margin-top:13px}.engineering-ui .study-context{font-size:10px;margin-top:11px}.engineering-ui .design-readout{top:224px;right:24px;width:136px;padding-left:13px}.engineering-ui .study-label{font-size:8px}.engineering-ui .design-readout strong{font-size:19px;margin:9px 0}.engineering-ui .design-readout>p{font-size:9px;line-height:1.45;min-height:27px}.engineering-ui .study-parameters{gap:12px 9px;margin:17px 0 14px}.engineering-ui .study-parameters dt{font-size:8px;margin-bottom:4px}.engineering-ui .study-parameters dd{font-size:12px}.engineering-ui #iteration-material{font-size:8px}.engineering-ui .study-material{padding-top:10px;gap:5px}.engineering-ui .study-material>.mono{font-size:8px}.engineering-ui .design-readout>.parameter-note{font-size:7px;line-height:1.45;margin-top:9px}.engineering-ui .design-rail{bottom:96px;width:330px;max-width:calc(100% - 40px)}.engineering-ui .attempt-heading{font-size:8px;margin-bottom:7px}.engineering-ui .attempt-strip{gap:3px;margin-bottom:12px}.engineering-ui .candidate-list button{height:36px;gap:6px;padding:0 7px;font-size:9px}.engineering-ui .rail-note{font-size:7px;margin-top:8px}.engineering-ui .cad-caption{display:none}.engineering-ui .cad-axis{bottom:208px}}
@media(max-width:759px) and (max-height:720px){.engineering-ui .design-heading{top:91px}.engineering-ui .design-heading h2{font-size:25px}.engineering-ui .study-context{display:none}.engineering-ui .design-readout{top:180px}.engineering-ui .study-parameters{gap:9px;margin:12px 0}.engineering-ui .design-rail{bottom:82px}.engineering-ui .design-readout>.parameter-note{max-width:116px}.engineering-ui .cad-axis{display:none}}
@media(min-width:760px) and (max-height:550px){.engineering-ui .design-heading{top:76px;max-width:220px}.engineering-ui .design-heading h2{font-size:25px;margin-top:10px}.engineering-ui .study-context{display:none}.engineering-ui .design-readout{top:77px;width:163px;padding-left:12px}.engineering-ui .design-readout strong{font-size:18px;margin:8px 0}.engineering-ui .design-readout>p{font-size:9px;min-height:24px}.engineering-ui .study-parameters{gap:8px 12px;margin:12px 0 10px}.engineering-ui .study-parameters dd{font-size:12px}.engineering-ui .study-parameters dt{font-size:8px;margin-bottom:3px}.engineering-ui .study-material{padding-top:8px;gap:3px}.engineering-ui #iteration-material{font-size:8px}.engineering-ui .design-readout>.parameter-note{font-size:7px;margin-top:7px}.engineering-ui .design-rail{bottom:59px;width:320px}.engineering-ui .attempt-heading{font-size:8px;margin-bottom:6px}.engineering-ui .attempt-strip{margin-bottom:9px}.engineering-ui .candidate-list button{height:31px;font-size:9px}.engineering-ui .rail-note{display:none}.engineering-ui .cad-caption,.engineering-ui .cad-axis{display:none}}

.engineering-ui .study-announcement{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
@media(max-width:759px){.engineering-ui .design-heading{max-width:min(265px,calc(100vw - 200px))}.engineering-ui .design-readout{top:112px}.engineering-ui .study-context{max-width:160px}}
@media(max-width:759px) and (max-height:720px){.engineering-ui .design-readout{top:98px}}

/* Assembly guidance stays with the copy, leaving the powered tooling unobstructed. */
.assembly-sequence{width:min(100%,310px);margin-top:33px}
.assembly-stages{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;list-style:none;padding:0;margin:0}
.assembly-stages li{display:flex;flex-direction:column;gap:7px;border-top:1px solid #354154;padding-top:10px;font-size:10px;line-height:1.3;color:#7789a3}
.assembly-stages li>span{font-family:"SFMono-Regular",Consolas,monospace;font-size:8px;color:#63758e;font-variant-numeric:tabular-nums}
.assembly-sequence[data-phase="release"] [data-assembly-phase="release"],.assembly-sequence[data-phase="align"] [data-assembly-phase="align"],.assembly-sequence[data-phase="fasten"] [data-assembly-phase="fasten"],.assembly-sequence[data-phase="clear"] [data-assembly-phase="clear"]{border-color:#9dbfff;color:#edf3fd}
.assembly-sequence[data-phase="release"] [data-assembly-phase="release"]>span,.assembly-sequence[data-phase="align"] [data-assembly-phase="align"]>span,.assembly-sequence[data-phase="fasten"] [data-assembly-phase="fasten"]>span,.assembly-sequence[data-phase="clear"] [data-assembly-phase="clear"]>span{color:#9dbfff}
.assembly-sequence[data-phase="align"] [data-assembly-phase="release"],.assembly-sequence[data-phase="fasten"] [data-assembly-phase="release"],.assembly-sequence[data-phase="fasten"] [data-assembly-phase="align"],.assembly-sequence[data-phase="clear"] [data-assembly-phase="release"],.assembly-sequence[data-phase="clear"] [data-assembly-phase="align"],.assembly-sequence[data-phase="clear"] [data-assembly-phase="fasten"]{border-color:#536d94;color:#a4b8d5}
#assembly-status{font-size:11px;line-height:1.5;color:#a6b8d1;margin:14px 0 0;min-height:33px;max-width:280px}
@media(max-width:759px){.assembly-sequence{width:min(290px,100%);margin-top:23px}.assembly-stages{gap:9px}.assembly-stages li{font-size:9px;gap:5px;padding-top:8px}.assembly-stages li>span{font-size:7px}#assembly-status{font-size:10px;margin-top:10px;min-height:30px;max-width:270px}}
@media(max-height:720px){.assembly-sequence{margin-top:20px}.assembly-stages li{gap:5px;padding-top:8px}#assembly-status{margin-top:10px}}
@media(min-width:760px) and (max-height:550px){.assembly-sequence{margin-top:16px;width:270px;max-width:100%}.assembly-stages{gap:7px}.assembly-stages li{font-size:8px;gap:3px;padding-top:6px}.assembly-stages li>span{font-size:7px}#assembly-status{font-size:9px;line-height:1.4;min-height:26px;margin-top:8px}}

@media(min-width:760px){body::after{content:"";position:fixed;inset:0;z-index:1;pointer-events:none;background:linear-gradient(90deg,#101316 0,rgba(16,19,22,.97) 26%,rgba(16,19,22,.6) 34%,transparent 51%);opacity:calc(var(--factory-copy-shade,0)*var(--story-visibility,1))}}

.engineering-ui,.workspace{opacity:calc(var(--surface-opacity,1)*var(--story-visibility,1))}.story-controls{opacity:var(--story-visibility,1)}

/* Engineering chrome describes the actual study; the model remains the primary workspace. */
.engineering-ui .study-toolbar{position:absolute;top:103px;left:var(--gutter);right:var(--gutter);height:34px;border-top:1px solid #34404d;border-bottom:1px solid #2b3542;display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:10px;color:#9caabd;background:linear-gradient(90deg,rgba(18,24,32,.88),rgba(18,24,32,.25))}
.study-document{display:flex;align-items:center;gap:11px;white-space:nowrap}.study-document svg{width:16px;height:16px;fill:none;stroke:#9bb7e4;stroke-width:1}.study-document b{font-weight:500;color:#d6dfeb}.study-path-separator{color:#5e718b;margin:0 3px}.study-view-label{display:flex;align-items:center;gap:14px;font-size:8px;color:#8596ad}.study-view-label i{height:10px;border-left:1px solid #3c495c}
.engineering-ui .design-heading{top:162px;max-width:270px}.engineering-ui .design-heading h2{font-size:35px;line-height:1.06;margin-top:13px}.engineering-ui .study-context{font-size:10px;margin-top:14px;color:#8d9db1}
.study-browser{position:absolute;left:var(--gutter);top:312px;width:217px;color:#b0bfd1}.study-browser h3{font-size:8px;letter-spacing:.09em;color:#7c8ea6;font-weight:400;margin:0 0 12px}.study-parts,.study-constraints ul{list-style:none;margin:0;padding:0}.study-parts{border-top:1px solid #303c4d}.study-parts li{display:flex;align-items:center;gap:10px;position:relative;padding:11px 9px;font-size:10px;line-height:1.3}.study-parts li>i{width:7px;height:7px;border:1px solid #6e819b;transform:rotate(30deg);flex-shrink:0}.study-parts li>span{flex:1}.study-parts small{display:block;font-size:8px;color:#778ba7;margin-top:4px}.study-parts li>b{font-size:7px;font-weight:400;color:#7890b1}.study-parts .study-part-variable{background:linear-gradient(90deg,#20334c90,#20334c35);box-shadow:inset 2px 0 #82aaff;color:#e3edff}.study-parts .study-part-variable>i{border-color:#aac5ff}.study-parts .study-part-variable small{color:#9aafd0}.study-parts .study-part-child{padding:8px 9px 8px 26px;font-size:9px}.study-parts .study-part-child>i{width:5px;height:5px;transform:none;border-radius:50%;border-color:#647994}.study-parts .study-part-reference{color:#a0afc2}.study-constraints{border-top:1px solid #303c4d;margin-top:15px;padding-top:17px}.study-constraints li{display:flex;align-items:center;gap:10px;font-size:9px;color:#8093af;margin:10px 0}.constraint-symbol{font-size:13px;width:15px;text-align:center;color:#657e9f}.engineering-ui[data-phase="envelope"] [data-constraint="envelope"],.engineering-ui[data-phase="contact"] [data-constraint="contact"],.engineering-ui[data-phase="selected"] [data-constraint="selected"]{color:#d8e5f7}.engineering-ui[data-phase="envelope"] [data-constraint="envelope"] .constraint-symbol,.engineering-ui[data-phase="contact"] [data-constraint="contact"] .constraint-symbol,.engineering-ui[data-phase="selected"] [data-constraint="selected"] .constraint-symbol{color:#a4c2ff}
.engineering-ui .design-readout{top:166px;width:206px;padding-left:18px}.engineering-ui .design-readout strong{font-size:22px}.engineering-ui .study-section{display:block;width:100%;height:72px;margin:20px 0 2px;color:#91a9ca}.engineering-ui .study-parameters{margin-top:18px;gap:17px 12px}.engineering-ui .study-parameters dt{font-size:8px;white-space:nowrap}.dimension-key{display:inline-block;margin-right:5px;font-family:Consolas,monospace;font-size:7px;color:#b2cafa}.engineering-ui .study-parameters dd{font-size:16px}.engineering-ui .cad-caption{color:#7f94b0}.engineering-ui .design-readout>.parameter-note{color:#8798b0}
@media(min-width:760px) and (max-width:1100px){.engineering-ui .design-heading{max-width:215px}.engineering-ui .design-heading h2{font-size:29px}.study-browser{width:185px;top:294px}.engineering-ui .design-readout{width:174px;padding-left:14px}.engineering-ui .design-readout strong{font-size:20px}.engineering-ui .study-parameters dd{font-size:14px}.study-view-label{font-size:7px}}
@media(min-width:760px) and (max-height:760px){.engineering-ui .study-toolbar{top:88px;height:30px}.engineering-ui .design-heading{top:141px}.engineering-ui .design-heading h2{font-size:29px}.engineering-ui .design-readout{top:144px}.study-browser{top:270px}.study-parts li{padding-top:9px;padding-bottom:9px}.study-constraints{margin-top:10px;padding-top:13px}.engineering-ui .study-section{height:59px;margin-top:14px}.engineering-ui .study-parameters{margin-top:14px;gap:13px 10px}}
@media(max-width:759px){.engineering-ui .study-toolbar{top:78px;left:24px;right:24px;height:28px;font-size:8px;background:none}.study-document{gap:7px}.study-document svg{width:12px;height:12px}.study-path-separator{margin:0}.study-view-label{display:none}.engineering-ui .design-heading{top:129px;max-width:min(265px,calc(100vw - 200px))}.engineering-ui .design-heading h2{font-size:28px;margin-top:12px}.engineering-ui .design-heading>.mono{font-size:7px;letter-spacing:.045em}.engineering-ui .study-context{font-size:9px;max-width:155px;margin-top:12px}.study-browser,.engineering-ui .study-section{display:none}.engineering-ui .design-readout{top:131px;width:136px;padding-left:12px}.engineering-ui .design-readout strong{font-size:18px}.engineering-ui .study-parameters{gap:13px 7px;margin:17px 0 14px}.engineering-ui .study-parameters dt{font-size:7px}.engineering-ui .study-parameters dd{font-size:12px}.dimension-key{font-size:6px;margin-right:3px}.engineering-ui .design-readout>.parameter-note{font-size:7px}}
@media(max-width:400px){.engineering-ui .study-toolbar{left:20px;right:20px}.engineering-ui .study-document{font-size:7px;gap:6px}}
@media(max-width:759px) and (max-height:720px){.engineering-ui .study-toolbar{top:70px;height:25px}.engineering-ui .design-heading{top:112px}.engineering-ui .design-heading h2{font-size:24px}.engineering-ui .design-readout{top:113px}.engineering-ui .study-parameters{gap:10px 7px;margin:13px 0 10px}.engineering-ui .study-context{display:none}}
@media(max-height:550px){.engineering-ui .study-toolbar{top:61px;height:25px}.engineering-ui .design-heading{top:104px;max-width:200px}.engineering-ui .design-heading h2{font-size:24px;margin-top:9px}.engineering-ui .study-context,.engineering-ui .study-section,.study-browser,.engineering-ui .cad-axis{display:none}.engineering-ui .design-readout{top:105px;width:163px;padding-left:12px}.engineering-ui .design-readout strong{font-size:17px;margin:8px 0}.engineering-ui .design-readout>#fit-detail{font-size:8px;min-height:0;line-height:1.4}.engineering-ui .study-parameters{gap:9px 10px;margin:12px 0 10px}.engineering-ui .study-parameters dt{font-size:7px;margin-bottom:3px}.engineering-ui .study-parameters dd{font-size:12px}.engineering-ui .study-material{padding-top:8px;gap:3px}.engineering-ui #iteration-material{font-size:8px}.engineering-ui .design-readout>.parameter-note{font-size:7px;margin-top:7px}.engineering-ui .design-rail{bottom:59px;width:320px}.engineering-ui .attempt-heading{font-size:8px;margin-bottom:6px}.engineering-ui .attempt-strip{margin-bottom:9px}.engineering-ui .candidate-list button{height:31px;font-size:9px}.engineering-ui .rail-note{display:none}}

/* Four extra pixels above the CAD rail in short landscape, without shrinking controls. */
@media(min-width:760px) and (max-height:550px){.engineering-ui .attempt-heading{margin-bottom:4px}.engineering-ui .attempt-strip{margin-bottom:7px}}

/* Site navigation and launch signup surround the complete interactive story. */
.site-header .content-nav,body.is-after-story .site-header .content-nav{display:flex;align-items:center;gap:27px;font-size:12px;white-space:nowrap}
.site-header .header-signup{display:inline-flex;align-items:center;gap:16px;min-height:38px;border-bottom:1px solid #7b92b5;color:#eef3fc}
body.is-after-story .site-header .header-signup{color:#243b5d;border-color:#8b9bb1}
#waitlist{scroll-margin-top:100px}
.waitlist-section{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center;border-top:1px solid #c8d1df;padding-top:100px;padding-bottom:100px}
.waitlist-copy h2{font-size:clamp(38px,4.3vw,63px);line-height:1.03;letter-spacing:-.055em;font-weight:500;margin:0 0 24px}
.waitlist-copy>p{font-size:17px;line-height:1.6;color:#526780;margin:0;max-width:340px}
.waitlist-replay{display:inline-flex;align-items:center;gap:16px;font-size:11px;color:#657b98;margin-top:30px;padding:5px 0;border-bottom:1px solid #bbc7d7}
.waitlist-replay:hover{color:#254e9d;border-color:#254e9d}
.waitlist-form{max-width:540px;width:100%;justify-self:end}
.waitlist-form>label{display:block;font-size:12px;font-weight:500;color:#364b66;margin:0 0 12px}
.waitlist-input-row{display:flex;align-items:stretch;border:1px solid #a4b3c8;background:#f8fafc;min-height:58px}
.waitlist-input-row:focus-within{border-color:#315aca;box-shadow:0 0 0 2px #315aca20}
.waitlist-input-row input{flex:1;min-width:0;width:100%;padding:16px 18px;border:0;border-radius:0;background:transparent;color:#1e3049;font:inherit;font-size:14px;outline:none}
.waitlist-input-row input::placeholder{color:#8a9bb1}
.waitlist-input-row input:focus-visible{outline:2px solid #315aca;outline-offset:-3px}
.waitlist-input-row button{display:inline-flex;align-items:center;justify-content:center;gap:20px;min-width:154px;margin:4px;padding:13px 18px;background:#244cc2;border:1px solid #244cc2;border-radius:0;color:#fff;font-size:12px;white-space:nowrap}
.waitlist-input-row button:hover{background:#1b3eaa;border-color:#1b3eaa}
.waitlist-input-row button:disabled{background:#637cae;border-color:#637cae;cursor:wait}
.waitlist-input-row button:focus-visible{outline:2px solid #122e6f;outline-offset:2px}
.waitlist-consent{font-size:10px;line-height:1.7;color:#657b98;margin:15px 0 0;max-width:460px}
.waitlist-consent a,.faq-list p a{text-decoration:underline;text-underline-offset:3px}
.waitlist-status{min-height:20px;margin:13px 0 0;font-size:12px;line-height:1.6;color:#244cc2}
.waitlist-status[data-state="error"]{color:#a03b34}
.waitlist-honeypot{position:absolute;left:-10000px;top:auto;width:1px;height:1px;overflow:hidden}
.page-footer nav{display:flex;gap:24px;font-size:10px;white-space:nowrap}
.page-footer a:hover{color:#315dba}
@media(max-width:1100px) and (min-width:760px){.waitlist-section{gap:45px}.waitlist-input-row button{min-width:132px;gap:13px;padding-left:13px;padding-right:13px}.page-footer{gap:20px}.page-footer nav{gap:16px}}
@media(max-width:759px){.site-header{gap:12px}.site-header .content-nav,body.is-after-story .site-header .content-nav{gap:12px;font-size:10px}.site-header .header-signup{gap:6px;min-height:32px}.site-header .header-signup>span{display:none}.site-header .header-right{gap:0}#waitlist{scroll-margin-top:78px}.waitlist-section{display:block;padding-top:66px;padding-bottom:62px}.waitlist-copy h2{font-size:39px;margin-bottom:18px}.waitlist-copy>p{font-size:16px;max-width:300px}.waitlist-replay{margin-top:23px}.waitlist-form{margin-top:37px;max-width:none}.waitlist-form>label{font-size:11px}.waitlist-input-row{min-height:56px}.waitlist-input-row input{font-size:16px;padding:14px 12px}.waitlist-input-row button{font-size:11px;min-width:119px;padding:12px;gap:12px}.waitlist-consent{font-size:10px;margin-top:13px;max-width:340px}.waitlist-status{font-size:11px;margin-top:11px;min-height:18px}.page-footer{gap:20px}.page-footer .footer-wordmark{font-size:22px;flex-basis:100%}.page-footer>p{flex-basis:100%;font-size:10px}.page-footer nav{gap:20px;font-size:9px}.page-footer>span:last-child{font-size:8px;margin-left:auto}}
@media(max-width:400px){.site-header .brand{font-size:19px;gap:7px}.site-header .brand svg{width:19px;height:25px}.site-header .content-nav,body.is-after-story .site-header .content-nav{gap:10px;font-size:9px}.site-header{gap:10px}.waitlist-copy h2{font-size:35px}.waitlist-input-row button{min-width:105px;gap:8px;padding:12px 10px}.waitlist-input-row button>span{display:none}.page-footer nav{gap:15px}}

/* Keep product information and signup usable when graphics are unavailable. */
body.scene-fallback::before,body.scene-fallback::after{display:none}
body.scene-fallback .site-header{position:relative}
body.scene-fallback #story{height:auto;min-height:0;padding:48px var(--gutter) 0}
body.scene-fallback #story .story-step{display:none!important}
body.scene-fallback #story .story-step[data-step="0"]{display:block!important;position:relative;inset:auto;opacity:1!important;visibility:visible!important}
body.scene-fallback #story .story-copy{position:static;transform:none;width:100%;max-width:700px}
body.scene-fallback #start,body.scene-fallback .story-controls,body.scene-fallback .engineering-ui,body.scene-fallback .workspace,body.scene-fallback #factory-labels{display:none!important}
body.scene-fallback #fallback{position:relative;inset:auto;width:min(780px,100%);height:auto;margin:0 auto 32px}
body.scene-fallback #fallback .fallback-machine{transform:none;width:100%;height:auto}
body.scene-fallback #after-story{position:relative;z-index:3}
.signup-manage{color:var(--blue);text-decoration:underline;text-underline-offset:3px}

/* Cover the first paint while the 3D module downloads and builds the scene. */
html.intro-pending #intro[hidden]{display:flex!important}
html.intro-pending #intro{visibility:visible!important;background:#0b1018!important;opacity:1!important;transition:none!important}
html.intro-pending body>:not(#intro):not(script),html.intro-pending body>:not(#intro):not(script) *{visibility:hidden!important}
html.intro-pending body::before,html.intro-pending body::after{display:none!important}
/* Keep the product promise on two deliberate lines beside the factory. */
@media(min-width:760px){#title-0{font-size:clamp(32px,4.2vw,68px)}}

/* Keep navigation readable over factory highlights without obscuring the scene. */
.site-header::before{content:"";position:absolute;inset:0 0 -28px;z-index:-1;pointer-events:none;background:linear-gradient(180deg,rgba(10,15,22,.72),rgba(10,15,22,.32) 64%,transparent)}
body.is-after-story .site-header::before{display:none}

.team-section>div{max-width:680px}.team-section p{max-width:550px;font-size:15px;line-height:1.7;color:#596a80;margin:24px 0 0}#team{scroll-margin-top:100px}
@media(max-width:759px){.team-section p{font-size:14px}#team{scroll-margin-top:78px}.page-footer nav{flex-wrap:wrap}}

/* The intro surface receives programmatic focus; keyboard navigation releases it. */
#intro:focus{outline:none}

/* Field identity: preserve the square mark at every breakpoint. */
.brand{display:inline-flex;align-items:center;gap:12px}.brand .newfield-mark,.site-header .brand .newfield-mark{display:block;width:32px;height:32px;flex:none}.intro-mark .newfield-mark{width:56px;height:56px}.footer-wordmark{display:inline-flex;align-items:center;gap:12px}.footer-wordmark .newfield-mark{width:30px;height:30px;flex:none}
@media(max-width:759px){.brand .newfield-mark,.site-header .brand .newfield-mark{width:28px;height:28px}.intro-mark .newfield-mark{width:42px;height:42px}}
