/* cirKITry 2 — electronics is the interface. Shared foundations. */
*,*::before,*::after{box-sizing:border-box}
html{scroll-padding-top:90px}
body{margin:0;background:var(--surface,#0b0d11);color:var(--ink,#eef2f7);font:var(--font-body-weight,400) 16px/1.55 var(--font-body,Arial,sans-serif);-webkit-font-smoothing:antialiased;overflow-x:clip}
button,input,select,textarea{font:inherit}button{cursor:pointer;color:inherit}a{color:inherit;text-decoration:none}img,svg{display:block;max-width:100%}p,h1,h2,h3{margin:0}h1,h2,h3{font-family:var(--font-heading,Arial,sans-serif);font-weight:var(--font-heading-weight,700);letter-spacing:-.035em;line-height:.98;text-wrap:balance}h1{font-size:clamp(3.5rem,7vw,7rem)}h2,.section-title{font-size:calc(clamp(2.8rem,5.3vw,5.3rem)*var(--heading-scale,1))}h3{font-size:1.6rem;letter-spacing:-.04em}p{text-wrap:pretty}button svg,a svg{width:20px;height:20px;flex:none}::selection{background:var(--yellow);color:#eef2f7}:focus-visible{outline:3px solid var(--blue);outline-offset:5px}[hidden]{display:none!important}
.shell{width:min(calc(100% - 96px),var(--page-width,1440px));margin-inline:auto}.section-space{padding-block:var(--section-space,96px)}.eyebrow{font:500 .75rem/1.5 var(--font-mono);letter-spacing:.13em;text-transform:uppercase;margin-bottom:22px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:45px}.section-head>div{max-width:800px}.section-head p:not(.eyebrow){max-width:400px;color:var(--muted)}
.button{--mx:0px;--my:0px;display:inline-flex;align-items:center;justify-content:space-between;gap:30px;padding:16px 24px;min-height:54px;border:1px solid transparent;border-radius:min(var(--radius,8px),8px);font-size:.9rem;font-weight:700;line-height:1.2;transform:translate(var(--mx),var(--my));transition:transform .25s cubic-bezier(.2,.8,.2,1),box-shadow .25s,background .25s}.button:hover{box-shadow:0 6px 0 #00000014}.button:active{transform:translate(var(--mx),calc(var(--my) + 3px));box-shadow:none}.button--primary{background:var(--blue);color:#ffffff}.button--yellow{background:var(--yellow);color:#0b0d11}.button--secondary{background:transparent;border-color:var(--line);color:var(--ink)}.button--outline{background:transparent;border-color:currentColor}.text-link{display:inline-flex;align-items:center;gap:18px;min-height:44px;font-size:.85rem;font-weight:700}.text-link svg{transition:transform .3s}.text-link:hover svg{transform:translateX(5px)}.skip-link{position:fixed;top:8px;left:8px;z-index:300;background:var(--yellow);color:#eef2f7;padding:12px 22px;transform:translateY(-160%)}.skip-link:focus{transform:none}.visually-hidden,.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.section-theme--light{background:#12161d}.section-theme--soft{background:var(--surface)}.section-theme--blue{background:var(--blue-deep);color:#ffffff}
/* The opening is an energized instrument field, not a contained illustration. */
.kinetic-hero{position:relative;isolation:isolate;overflow:hidden;color:#ffffff;background:var(--blue);--hero-progress:0;--px:0;--py:0;--power:1;--float:12px}.hero-field{position:absolute;inset:0;overflow:hidden;z-index:-1;pointer-events:none}.hero-grid{position:absolute;inset:-25%;background-image:linear-gradient(#ffffff09 1px,transparent 1px),linear-gradient(90deg,#ffffff09 1px,transparent 1px);background-size:62px 62px;transform:perspective(700px) rotateX(30deg) rotateZ(-16deg) translateY(calc(var(--hero-progress)*70px));mask-image:linear-gradient(90deg,transparent,#000000);animation:grid-drift 24s linear infinite}.hero-field__halo{position:absolute;width:65%;height:90%;right:0;top:8%;background:radial-gradient(ellipse,#88a6ff40,transparent 67%);animation:field-breathe 8s ease-in-out infinite alternate}.hero-schematic{position:absolute;inset:0;width:100%;height:100%;fill:none;stroke:#9fbaff35;stroke-width:1.5}.hero-schematic .schematic-pulse{stroke:var(--yellow);stroke-dasharray:18 700;animation:schematic-flow 13s linear infinite;opacity:.8}.hero-crosshair{position:absolute;width:30px;height:30px;border:1px solid #ffffff33;border-radius:50%}.hero-crosshair::before,.hero-crosshair::after{content:'';position:absolute;background:#ffffff44;left:50%;top:50%;transform:translate(-50%,-50%)}.hero-crosshair::before{width:44px;height:1px}.hero-crosshair::after{height:44px;width:1px}.hero-crosshair--a{top:17%;right:6%}.hero-crosshair--b{bottom:11%;left:38%}.hero-topline{display:flex;align-items:center;justify-content:space-between;gap:20px;position:relative;padding-top:24px;font:500 .75rem var(--font-mono);letter-spacing:.1em;color:#cddcff}.live-label{display:flex;align-items:center;gap:8px}.live-label i{width:5px;height:5px;border-radius:50%;background:var(--yellow);box-shadow:0 0 10px #ff7a0080;animation:live-blink 3s ease-in-out infinite}.hero-mode-label{border:1px solid #ffffff40;padding:6px 9px;color:#ffffff}.hero-poster{position:relative;min-height:695px;height:calc(100svh - 200px);max-height:880px}.hero-type{position:relative;z-index:3;padding-top:55px;width:48%;pointer-events:none;transform:translateY(calc(var(--hero-progress)*-30px))}.hero-type>*{pointer-events:auto}.hero-type .eyebrow{font-size:.75rem;letter-spacing:.11em;color:#d1dfff;margin-bottom:24px}.hero-type h1{text-transform:uppercase;font-size:calc(clamp(5.6rem,9.2vw,10rem)*var(--heading-scale,1));letter-spacing:-.035em;line-height:.84;text-wrap:initial}.hero-type h1 em{display:block;font:inherit;color:var(--yellow)}.hero-summary{max-width:300px;font-size:1rem;line-height:1.6;color:#dbe5ff;margin:27px 0 23px}.hero-type .button{min-height:54px}.hero-engine{position:absolute;top:-3%;right:-7%;width:76%;height:100%;z-index:2;transform:perspective(1200px) rotateY(calc(var(--px)*5deg)) rotateX(calc(var(--py)*-4deg)) translateY(calc(var(--hero-progress)*40px));transform-style:preserve-3d;transition:transform .4s cubic-bezier(.2,.8,.2,1);pointer-events:auto}.signal-orbit{width:100%;height:100%;overflow:visible;filter:drop-shadow(0 30px 30px #00184b30)}.orbit-rotor{animation:mechanism-turn 9s linear infinite;transform-origin:477px 397px}.orbit-gear{animation:mechanism-turn 36s linear infinite reverse;transform-origin:477px 397px}.orbital-guides{animation:orbit-drift 16s ease-in-out infinite alternate;transform-origin:center}.orbit-current{stroke-dasharray:.012 .085;animation:orbit-current 6s linear infinite}.orbit-float{animation:component-hover 6s ease-in-out infinite alternate}.orbit-float--capacitor{animation-delay:-2s}.orbit-float--led{animation-delay:-4s}.orbit-float--resistor{animation-delay:-1s}.orbit-light{animation:light-bank 2.5s ease-in-out infinite;animation-delay:calc(var(--i)*.18s)}.orbit-lab-only{display:none}.engine-tag{position:absolute;font:500 .75rem var(--font-mono);letter-spacing:.12em;color:#cddcff;pointer-events:none}.engine-tag--one{left:24%;bottom:4%;}.engine-tag--two{right:5%;top:46%;writing-mode:vertical-rl;color:var(--yellow)}.hero-instrument{position:absolute;z-index:4;bottom:8px;right:0;width:54%;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 0;border-top:1px solid #ffffff40;font:500 .75rem var(--font-mono);letter-spacing:.02em}.hero-instrument>a{display:flex;gap:23px;align-items:center;min-height:44px}.hero-instrument>a>span{font-size:1.4rem;color:var(--yellow)}.engine-power,.bench-power{display:flex;align-items:center;gap:13px;border:0;background:none;padding:6px 0;min-height:44px;font-size:.75rem;white-space:nowrap}.rocker{display:block;width:45px;height:25px;border-radius:4px;background:#0b2a7d;box-shadow:inset 0 2px 4px #00000044;border:1px solid #adc3ff40;padding:3px;position:relative}.rocker>span{display:block;width:18px;height:17px;background:#0b0d11;border:1px solid #ffffff;border-radius:2px;box-shadow:0 2px 3px #00000033;transition:transform .25s,background .25s}.rocker>span::after{content:'';display:block;width:2px;height:6px;background:#8190a7;margin:4px auto}.kinetic-hero[data-powered=true] .rocker>span,.signal-lab[data-powered=true] .rocker>span{transform:translateX(18px);background:var(--yellow);border-color:var(--yellow)}.hero-instrument__wave{flex:1;max-width:120px;opacity:.65;overflow:hidden}.hero-instrument__wave svg{width:100%;height:25px;fill:none;stroke:#232a36;stroke-width:1.5}.hero-instrument__wave path{stroke-dasharray:5 2;animation:wave-drift 3s linear infinite}.hero-bottom{position:relative;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:23px 0 27px;border-top:1px solid #ffffff26;font:500 .75rem var(--font-mono);letter-spacing:.08em;color:#d1deff}.hero-scroll-hint{display:flex;gap:14px;align-items:center}.hero-scroll-hint>i{height:20px;width:1px;background:#ffffff44;position:relative;overflow:hidden}.hero-scroll-hint>i::after{content:'';position:absolute;top:-10px;height:10px;width:1px;background:var(--yellow);animation:scroll-current 2s linear infinite}.kinetic-hero[data-powered=false] .orbit-rotor,.kinetic-hero[data-powered=false] .orbit-gear,.kinetic-hero[data-powered=false] .orbit-current,.kinetic-hero[data-powered=false] .orbit-light,.kinetic-hero[data-powered=false] .hero-instrument__wave path{animation-play-state:paused}.kinetic-hero[data-powered=false] .orbit-halo{opacity:0}.kinetic-hero[data-powered=false] .orbit-current{opacity:.15}.kinetic-hero[data-powered=false] .live-label i{background:#a2b6db;animation:none;box-shadow:none}
/* One signature instrument: assemble it, close it, change its pulse. */
.signal-lab{position:relative;min-height:235svh;background:#0b0d11;color:var(--ink);--assembly:0;--story-progress:0;--signal-duration:3s}.lab-sticky{position:sticky;top:78px;min-height:calc(100svh - 78px);padding-block:38px 22px;overflow:hidden;display:flex;flex-direction:column;justify-content:center;isolation:isolate}.lab-grid{position:absolute;inset:0;background-image:radial-gradient(#1b3e6920 .8px,transparent .8px);background-size:19px 19px;z-index:-1;mask-image:radial-gradient(ellipse at center,#000000,transparent 73%)}.lab-trace-rail{position:absolute;left:22px;top:0;bottom:0;width:1px;background:#b9c8de40}.lab-trace-rail>span{height:calc(var(--story-progress)*100%);background:var(--blue);display:block;width:2px}.lab-heading{display:flex;align-items:end;justify-content:space-between;gap:60px}.lab-heading .eyebrow{margin-bottom:13px;color:var(--blue);font-size:.75rem}.lab-heading h2{font-size:calc(clamp(2.5rem,4.1vw,4.4rem)*var(--heading-scale,1));line-height:.98;max-width:760px}.lab-heading>p{max-width:190px;font-size:.9rem;color:var(--muted);padding-bottom:4px;margin-left:auto}.lab-serial{font:500 .75rem/1.8 var(--font-mono);text-align:right;color:#a7b1c2;letter-spacing:.08em;padding-bottom:5px}.lab-sequencer{margin-top:28px;display:flex;border-top:1px solid #232a36;border-bottom:1px solid #232a36;position:relative}.lab-sequencer::before{content:'';position:absolute;bottom:-1px;left:0;height:2px;width:calc(var(--story-progress)*100%);background:var(--blue)}.lab-stage{flex:1;min-width:0;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 23px;border:0;border-right:1px solid #232a36;background:none;text-align:left;transition:background .25s,color .25s}.lab-stage:first-child{border-left:1px solid #232a36}.lab-stage>span{font:500 .75rem var(--font-mono);color:#a7b1c2}.lab-stage>strong{font-size:.85rem;font-weight:650;flex:1}.lab-stage>i{width:6px;height:6px;border:1px solid #8b9ab1;border-radius:50%}.lab-stage.is-active{background:var(--blue);color:#ffffff}.lab-stage.is-active>span{color:#c1d2ff}.lab-stage.is-active>i{background:var(--yellow);border-color:var(--yellow);box-shadow:0 0 9px #ff7a0066}.lab-stage:hover:not(.is-active){background:#0b0d11}.lab-workbench{position:relative;max-width:1150px;margin-block:14px 0}.lab-workbench__top{position:absolute;inset:9px 20px auto;display:flex;justify-content:space-between;color:#a7b1c2;font:500 .75rem var(--font-mono);letter-spacing:.1em}.signal-bench{width:100%;height:40vh;max-height:400px;min-height:270px;overflow:visible}.bench-part{transition:transform .65s cubic-bezier(.2,.8,.2,1),opacity .5s}.bench-part--source{transform:translate(calc((1 - var(--assembly))*-25px),calc((1 - var(--assembly))*38px)) rotate(calc((1 - var(--assembly))*-7deg));transform-origin:150px 300px}.bench-part--chip{transform:translateY(calc((1 - var(--assembly))*-82px)) rotate(calc((1 - var(--assembly))*-12deg));transform-origin:520px 230px}.bench-part--wire{transform:translateY(calc((1 - var(--assembly))*-48px));opacity:calc(.25 + var(--assembly)*.75)}.bench-part--resistor{transform:translateY(calc((1 - var(--assembly))*60px)) rotate(calc((1 - var(--assembly))*8deg));transform-origin:540px 343px}.bench-part--light{transform:translate(calc((1 - var(--assembly))*40px),calc((1 - var(--assembly))*-55px))}.bench-part--motor{transform:translate(calc((1 - var(--assembly))*35px),calc((1 - var(--assembly))*45px)) rotate(calc((1 - var(--assembly))*10deg));transform-origin:934px 339px}.bench-part--sensor{transform:translate(calc((1 - var(--assembly))*25px),calc((1 - var(--assembly))*-22px))}.bench-trace-base{stroke:#91a7c8;stroke-opacity:.35;stroke-width:8;stroke-linecap:round;stroke-linejoin:round}.bench-trace{stroke:var(--blue);stroke-width:3;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:calc(1 - var(--assembly));transition:stroke-dashoffset .35s}.bench-led-glow{opacity:0;transition:opacity .4s}.bench-mini-wave{transform:scaleY(.05);transform-origin:876px 111px;transition:transform .4s}.signal-lab[data-powered=true] .bench-led-glow{opacity:.65}.signal-lab[data-powered=true] .bench-mini-wave{transform:scaleY(1)}.signal-lab[data-powered=true] .bench-trace{stroke:var(--blue);stroke-dasharray:.016 .028;stroke-dashoffset:0;animation:orbit-current var(--signal-duration) linear infinite}.signal-lab[data-powered=true] .bench-rotor{animation:mechanism-turn var(--signal-duration) linear infinite;transform-origin:934px 339px}.lab-caption-stack{text-align:center;min-height:27px;font-size:.9rem;font-weight:500;margin-top:-8px;position:relative}.lab-caption-stack>p{animation:caption-in .35s both}.lab-control-panel{border:1px solid #232a36;background:#12161d;box-shadow:0 5px 0 #00000040;border-radius:7px;display:grid;grid-template-columns:1fr 1fr 1.2fr;margin-top:18px;padding:14px 25px;gap:32px;position:relative;max-width:1000px}.lab-power{display:flex;align-items:center;justify-content:space-between;gap:20px}.lab-power .rocker{background:#d4dce9;border-color:#232a36}.lab-power .bench-power{font-size:.75rem}.lab-readout{font:500 .75rem var(--font-mono);color:var(--muted);max-width:64px}.lab-frequency{display:flex;flex-direction:column;justify-content:center;border-inline:1px solid var(--line);padding-inline:30px}.lab-frequency>div{display:flex;align-items:center;justify-content:space-between;gap:10px;font:500 .75rem var(--font-mono)}.lab-frequency output{color:var(--blue);font-weight:700}.lab-frequency input{width:100%;height:28px;accent-color:var(--blue);cursor:ew-resize;margin:4px 0 -5px}.lab-scope{position:relative;min-width:0;overflow:hidden}.lab-scope>div{display:flex;justify-content:space-between;gap:20px;font:500 .75rem var(--font-mono);letter-spacing:.1em;color:#a7b1c2}.lab-scope svg{width:100%;height:31px;margin-top:6px}.scope-grid{stroke:#1b3e6914;stroke-width:1}.scope-wave{stroke:var(--blue);stroke-width:2;fill:none;transition:opacity .3s}.signal-lab[data-powered=true] .scope-wave{stroke-dasharray:6 2;animation:wave-drift var(--signal-duration) linear infinite}.signal-lab[data-powered=true] .lab-scope::after{content:'';position:absolute;top:15px;bottom:0;left:-20%;width:20%;background:linear-gradient(90deg,transparent,#d8e8ffb0,transparent);animation:scope-scan 5s linear infinite;pointer-events:none}.lab-bottom{display:flex;justify-content:space-between;align-items:center;gap:25px;font:500 .75rem var(--font-mono);letter-spacing:.07em;color:#a7b1c2;margin-top:24px}.lab-progress{height:3px;background:#ccd5e5;width:100px}.lab-progress>i{display:block;width:calc(var(--story-progress)*100%);height:100%;background:var(--blue)}
/* All experience controls have a visible purpose. */
body[data-experience=standard] .hero-grid,body[data-experience=standard] .hero-schematic,body[data-experience=standard] .orbital-guides,body[data-experience=standard] .orbit-annotations,body[data-experience=standard] .hero-field__halo{display:none}body[data-experience=standard] .orbit-float,body[data-experience=standard] .orbit-gear{animation:none}body[data-experience=standard] .orbit-rotor{animation-duration:30s}body[data-experience=standard] .hero-engine,body[data-experience=standard] .hero-type{transform:none}body[data-experience=standard] .signal-lab,body[data-scroll=false] .signal-lab{min-height:0}body[data-experience=standard] .lab-sticky,body[data-scroll=false] .lab-sticky{position:relative;top:auto;min-height:0;padding-block:70px}body[data-experience=standard] .bench-part{transform:none}
body[data-experience=lab] .kinetic-hero{--float:27px;background:radial-gradient(ellipse at 75% 30%,#4d79ff,transparent 50%),linear-gradient(135deg,var(--blue) 20%,#073296)}body[data-experience=lab] .hero-grid{background-size:35px 35px;animation-duration:12s;opacity:1}body[data-experience=lab] .hero-schematic{stroke-width:2;opacity:1}body[data-experience=lab] .hero-engine{transform:perspective(900px) rotateY(calc(var(--px)*10deg)) rotateX(calc(var(--py)*-8deg)) translateY(calc(var(--hero-progress)*75px)) scale(1.05)}body[data-experience=lab] .orbit-lab-only{display:block;animation:mechanism-turn 55s linear infinite;transform-origin:477px 397px}body[data-experience=lab] .orbit-rotor{animation-duration:3s}body[data-experience=lab] .orbit-gear{animation-duration:18s}body[data-experience=lab] .orbit-current{animation-duration:2.8s;stroke-width:5}body[data-experience=lab] .lab-grid{background-image:linear-gradient(#0a7cff0c 1px,transparent 1px),linear-gradient(90deg,#0a7cff0c 1px,transparent 1px);background-size:24px 24px;animation:grid-drift 25s linear infinite}body[data-experience=lab] .signal-lab{background:radial-gradient(ellipse at center,#12161d 10%,#0b0d11 85%)}body[data-experience=lab] .bench-part--chip{transform:translateY(calc((1 - var(--assembly))*-100px)) rotate(calc((1 - var(--assembly))*-20deg));transform-origin:520px 230px}body[data-experience=lab] .bench-part--resistor{transform:translateY(calc((1 - var(--assembly))*85px)) rotate(calc((1 - var(--assembly))*14deg));transform-origin:540px 343px}
body[data-circuit=false] .orbit-current,body[data-circuit=false] .schematic-pulse,body[data-circuit=false] .bench-trace,body[data-circuit=false] .scope-wave,body[data-circuit=false] .hero-instrument__wave path{animation:none!important}body[data-mechanics=false] .orbit-rotor,body[data-mechanics=false] .orbit-gear,body[data-mechanics=false] .bench-rotor{animation:none!important}body[data-background=false] .hero-field *,body[data-background=false] .orbital-guides,body[data-background=false] .orbit-lab-only,body[data-background=false] .lab-grid{animation:none!important}body[data-parallax=false] .hero-engine,body[data-parallax=false] .hero-type{transform:none!important}body[data-cursor=false] [data-magnetic]{--mx:0px!important;--my:0px!important}body[data-button-style=outline] .button--primary{background:transparent;color:var(--blue);border-color:var(--blue)}
[data-motion-field][data-visible=false] *,[data-motion-field][data-visible=false] *::before,[data-motion-field][data-visible=false] *::after,body.is-page-hidden *,body.is-page-hidden *::before,body.is-page-hidden *::after,body.is-motion-paused *,body.is-motion-paused *::before,body.is-motion-paused *::after{animation-play-state:paused!important}body.is-motion-paused *{transition:none!important}body.is-motion-paused .hero-engine,body.is-motion-paused .hero-type{transform:none!important}.motion-toggle{cursor:pointer}
body:not(.js-ready) .signal-lab{min-height:0}body:not(.js-ready) .lab-sticky{position:relative;top:auto;min-height:0;padding-block:70px}body:not(.js-ready) .signal-lab{--assembly:1!important}body:not(.js-ready) .lab-control-panel,body:not(.js-ready) .engine-power{display:none}body:not(.js-ready) .lab-caption-stack>p{display:block!important;margin-bottom:8px}
@keyframes mechanism-turn{to{transform:rotate(360deg)}}@keyframes orbit-current{to{stroke-dashoffset:-1}}@keyframes component-hover{from{translate:0 calc(var(--float)*-.5)}to{translate:0 var(--float)}}@keyframes orbital-turn{to{transform:rotate(360deg)}}@keyframes orbit-drift{to{transform:rotate(8deg) scale(1.04)}}@keyframes light-bank{0%,100%{opacity:.35}50%{opacity:1}}@keyframes field-breathe{to{opacity:.3;scale:1.14}}@keyframes grid-drift{to{background-position:62px 62px}}@keyframes schematic-flow{to{stroke-dashoffset:-1436}}@keyframes wave-drift{to{stroke-dashoffset:-80}}@keyframes scroll-current{to{transform:translateY(35px)}}@keyframes live-blink{50%{opacity:.35}}@keyframes scope-scan{to{transform:translateX(600%)}}@keyframes caption-in{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}
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