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p{max-width:100%;font-size:13px;margin-top:6px}.experiment{grid-template-columns:1fr;gap:32px}.experiment h2{font-size:34px}.experiment-copy>p:not(.section-index){font-size:14px;margin-top:18px}.experiment .button{margin-top:22px;font-size:14px;gap:30px;min-height:54px}.circuit-box{padding:23px 18px;border-radius:22px}.circuit{margin-top:7px}.circuit-status{font-size:11px;line-height:1.8}.parents-layout{grid-template-columns:1fr;gap:34px}.parents-layout h2{font-size:29px}.parents-heading{position:relative}.parents-heading>p:not(.section-index){font-size:14px;margin-top:20px}.parent-doodle{position:absolute;right:5px;bottom:0;font-size:56px;margin:0}.faq summary{font-size:14px;min-height:74px;padding:22px 0}.faq details>p{font-size:13px;padding-right:12px}.download{padding-block:65px}.download h2{font-size:36px;line-height:1.5}.download .eyebrow{font-size:11px;margin-bottom:18px}.download>p:not(.eyebrow){font-size:12px;margin-top:16px}.download-mark{position:static;margin:0 0 24px;font-size:44px}.release-status{font-size:13px;padding:14px 22px;margin-top:24px}.download .release-note{font-size:10px!important}.footer-top{flex-wrap:wrap;gap:22px;padding-block:25px}.footer-top .brand{flex:1}.footer-top p{order:3;flex-basis:100%;max-width:none}.footer-top>a:last-child{font-size:11px}.footer-bottom{flex-direction:column;gap:7px;padding-block:19px;font-size:9px}}
@media(max-width:350px){.hero-actions{gap:17px}.hero .button{gap:22px}.hero-note{gap:5px;font-size:9px}.hero-scene{height:290px}.part-card{padding-inline:9px}.part-number{font-size:7px}.brand-en{display:none}}
@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.primary:hover,.part-card:hover{transform:none}}
/* Keep blended source backgrounds continuous and touch targets comfortably sized. */
.hero-scene{background:var(--paper)}
.header nav>a{min-height:44px;display:flex;align-items:center}
.scroll-cue{min-height:44px}
@media(max-width:640px){.crane{width:100%;transform:rotate(-3deg)}}
/* Decorative orbits stay inside their illustration surface at every breakpoint. */
.hero-scene{overflow:clip}
.hero-scene:before{height:88%;width:90%;top:6%;max-height:none;aspect-ratio:auto}
.brand{min-height:44px}

/* Tactile presentation layer: static highlights and contact shadows, no new assets. */
.hero-scene { background: radial-gradient(ellipse at 52% 72%, #d4e3d945, transparent 63%), var(--paper); }
.hero-scene:before { background: radial-gradient(ellipse at 28% 18%, #f6faf0, #e7f0e8 55%, #d8e7dc); box-shadow: inset 1px 2px 2px #ffffff, inset -5px -8px 18px #75968112; }
.hero-scene figcaption, .scene-tag { border:1px solid #ffffff; background:linear-gradient(160deg,#fffefb,#f4f5eb); box-shadow:0 2px 1px #fff inset,0 6px 16px #294a3c14,0 1px 1px #38584025; }
.part-card { position:relative; background:linear-gradient(155deg,#fffef9 0%,#f5f5eb 68%,#e8ece0 100%); border:1px solid #fefef6; box-shadow:inset 0 -3px 0 #bdcbb930,0 2px 2px #42604714,0 12px 24px -18px #284e3b55; }
.part-card:before { content:""; position:absolute; inset:4px; border:1px solid #ffffff80; border-radius:16px; pointer-events:none; }
.part-card img { border-radius:13px; }
.app-device { background:linear-gradient(135deg,#577b75,#173d40 40%,#285453); box-shadow:inset 0 1px 1px #bbd1c1,0 2px 0 #123437,0 20px 36px -12px #153b4030; }
.primary { background:linear-gradient(165deg,#ffe98b,#ffd348 42%,#f8c323); box-shadow:inset 0 2px 0 #fff2b8,0 3px 0 #cda727,0 6px 12px #b9a33718; }
.primary:active { transform:translateY(2px); box-shadow:inset 0 1px 2px #bd8e2444,0 1px 0 #cda727; }
.circuit-box { background:radial-gradient(ellipse at 25% 5%,#f7faf0,#e6eee2 72%); border:1px solid #f9fbf2; box-shadow:inset 0 2px 1px #ffffff,inset 0 -4px 0 #b1c4ab40,0 2px 1px #abc2aa65,0 18px 36px -22px #244b3c45; padding:25px 20px 22px; }
.demo-topline { display:flex;align-items:center;justify-content:space-between;gap:10px;padding:0 9px; }
.bench-stamp { font-size:7px;letter-spacing:.12em;color:#779080; }
.demo-loads { display:flex;gap:8px;margin-top:23px;flex-wrap:wrap; }
.demo-loads button { background:linear-gradient(#fffef8,#f0f2e7); border:1px solid #c3d1bd; box-shadow:inset 0 1px 0 white,0 2px 0 #cbd7c3; border-radius:12px;min-height:46px;padding:10px 15px;font-size:13px; }
.demo-loads button[aria-pressed=true] { background:linear-gradient(#2c7770,#185b55);color:#fffef5;border-color:#175950;box-shadow:inset 0 1px 1px #89b6a650,0 2px 0 #113f3b; }
.tactile-circuit { margin-top:17px; }
.tactile-circuit .wire-jacket { stroke:#254d49;stroke-width:10; }
.tactile-circuit .wire-sheen { stroke:#76978c;stroke-width:3;transform:translateY(-2px); }
.tactile-circuit .current-flow { stroke:#e6bb4b;stroke-width:4;stroke-dasharray:4 15;opacity:0; }
.tactile-circuit .terminal { stroke:#997c35;stroke-width:1.5; }
.contact-arm { transform:rotate(-33deg);transform-origin:254px 92px;transition:transform 220ms cubic-bezier(.2,.7,.3,1); }
.contact-closed .contact-arm { transform:rotate(0deg); }
.tactile-circuit .diagram-label { font-size:12px;fill:#456459; }
.tactile-circuit .switch-label { font-size:10px; }
.cell-detail { fill:#9c7a22;font-size:7px;font-weight:700;letter-spacing:.5px;text-anchor:middle; }
.tactile-circuit .filament { stroke:#728f78;stroke-width:2;transition:stroke 120ms,filter 120ms; }
.lamp-halo, .lamp-pool { opacity:0;transition:opacity 140ms ease-out; }
.lamp-glass { transition:fill 140ms,stroke 140ms; }
.motor-load { display:none; }
[data-load=motor] .motor-load { display:block; }
[data-load=motor] .lamp-load { display:none; }
.motor-rotor { transform-box:fill-box;transform-origin:center; }
.motor-power-dot { fill:#8daca0; }
.is-powered .motor-power-dot { fill:#ffd45c; }
.is-powered .lamp-halo { opacity:1; }
.is-powered .lamp-pool { opacity:.25; }
.is-powered .lamp-glass { fill:#ffe59b90;stroke:#c8a94b; }
.is-powered .filament { stroke:#ffad15;filter:drop-shadow(0 0 3px #ffbd36); }
.is-powered .current-flow { opacity:1;animation:demo-current 1.1s linear infinite; }
.causal-steps { display:flex;justify-content:center;gap:17px;margin:0 0 13px;font-size:10px;color:#71887c; }
.causal-steps>span { display:flex;gap:6px;align-items:center; }
.causal-steps b { width:19px;height:19px;border-radius:50%;display:grid;place-items:center;background:#d8e2d2;font-size:9px;font-weight:600; }
.contact-closed .step-contact, .is-powered .step-path, .is-powered .step-output { color:#316d57; }
.is-powered .causal-steps b { background:#e9d68d;box-shadow:inset 0 1px 0 #fff5b6; }
.circuit-status { min-height:43px;background:#fffdf65c;border:1px solid #ffffff80;border-radius:12px;padding:8px 10px;font-size:11px;line-height:1.7;text-align:center; }
.is-powered .status-dot { background:#bd942e; }
[data-state=closing] .status-dot { background:#57937b; }
[data-motion=paused] .current-flow { animation-play-state:paused; }
@keyframes demo-current { to { stroke-dashoffset:-38; } }
@media(max-width:800px) { .bench-stamp { display:none; }.causal-steps{gap:10px;font-size:9px}.circuit-box{padding:22px 15px 17px}.experiment{grid-template-columns:.85fr 1.2fr;gap:25px}.demo-loads button{padding:10px 12px;font-size:12px} }
@media(max-width:640px) { .experiment{grid-template-columns:1fr;gap:28px}.circuit-box{padding:22px 12px 17px}.demo-topline{padding:0 10px}.bench-stamp{display:inline;font-size:6px}.causal-steps{gap:12px;font-size:10px}.circuit-status{font-size:11px;min-height:48px}.demo-loads{gap:10px}.demo-loads button{min-height:46px;font-size:13px;padding-inline:16px}.part-card:before{border-radius:12px}.tactile-circuit{margin-top:10px} }
@media(prefers-reduced-motion:reduce) { .contact-arm,.lamp-halo,.lamp-pool,.lamp-glass,.tactile-circuit .filament{transition:none}.is-powered .current-flow{animation:none;stroke-dasharray:none}.primary:active{transform:none} }
/* Keep functional component labels readable after the SVG scales down on phones. */
.tactile-circuit .diagram-label{font-size:16px}
.tactile-circuit .switch-label{font-size:13px}
@media(max-width:640px){.tactile-circuit .diagram-label{font-size:20px}.tactile-circuit .switch-label{font-size:17px}.causal-steps{font-size:11px}}
/* One control beside its feedback, so phone users can see the result while tapping. */
.demo-controls{display:grid;grid-template-columns:auto 1fr;gap:12px;align-items:stretch}
.demo-controls .button{margin:0;font-size:13px;padding:12px 18px;gap:16px;min-height:50px;align-self:center}
.demo-controls .circuit-status{margin:0;min-height:50px}
.experiment-copy .demo-note{max-width:330px}
@media(max-width:640px){.demo-controls{gap:9px}.demo-controls .button{font-size:12px;padding:12px 15px;gap:12px}.demo-controls .circuit-status{font-size:10px;padding:7px 8px}.experiment-copy .demo-note{margin-top:20px!important}}