@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');
:root{--ink:#142b23;--paper:#f4f3ea;--green:#17392d;--lime:#d8fb60;--muted:#65746c;--line:#d5dbcd;--mono:ui-monospace,SFMono-Regular,monospace}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'DM Sans',sans-serif;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}button{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,[tabindex]:focus-visible,summary:focus-visible{outline:3px solid #e88342;outline-offset:5px}header{max-width:1440px;margin:auto;padding:25px 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.wordmark{font:700 italic 30px 'Space Grotesk',sans-serif;letter-spacing:-1.6px}.brand-dot{color:#799c31}.spark{display:inline-block;width:32px;height:32px;vertical-align:-6px;overflow:visible}nav{display:flex;gap:34px;align-items:center;font-size:14px}nav a:hover,.text-link:hover{color:#65831b}.nav-cta{border:1px solid #bcc7b6;padding:9px 17px;border-radius:50px}.wrap{max-width:1280px;margin:auto;padding:0 5%}.hero{max-width:1440px;margin:auto;display:grid;grid-template-columns:1fr 1fr;padding:75px 5% 55px;min-height:670px;align-items:center;overflow:hidden}.eyebrow,.section-index,.hero-note,.art-caption,.orbit-label span,.view-label,.pad-category,.code-label,.file-kind{font:11px var(--mono);letter-spacing:1.5px}.eyebrow{display:flex;align-items:center;gap:9px}.eyebrow i{width:7px;height:7px;border-radius:50%;background:#6c9437;box-shadow:0 0 0 5px #e4e9d7}h1,h2,h3,p{margin:0}h1,h2,h3{font-family:'Space Grotesk',sans-serif;font-weight:500}h1{font-size:clamp(54px,5.8vw,83px);line-height:1.04;letter-spacing:-4.5px;margin:30px 0 25px;position:relative;z-index:1}h1 em,h2 em{font-style:normal;color:#779b35}.intro{font-size:18px;line-height:1.7;max-width:420px;color:#5b6d61}.actions{display:flex;gap:25px;align-items:center;margin-top:35px}.button{background:var(--ink);color:white;border-radius:50px;padding:14px 23px;font-size:14px;display:flex;gap:35px}.button:hover{background:#345541}.text-link{font-size:14px;font-weight:600}.hero-note{font-size:10px;letter-spacing:0;margin-top:45px;display:flex;align-items:center;gap:10px;color:var(--muted)}.status-dot{width:6px;height:6px;border-radius:100%;background:#a3ae91}.hero-art{height:510px;position:relative}.hero-art img{height:auto;position:absolute;width:110%;max-width:none;left:-5%;top:42px;z-index:2;filter:drop-shadow(15px 25px 16px #16342525);transform:rotate(-7deg)}.orb{position:absolute;border-radius:50%}.orb-one{width:410px;height:410px;left:10%;top:32px;background:radial-gradient(circle,#d8e6c1 0,#e6edda 60%,transparent 71%)}.orb-two{border:1px solid #c9d5bd;width:420px;height:420px;left:8%;top:25px}.orbit-label{position:absolute;z-index:3;right:5px;top:-20px;transform:rotate(0deg);text-align:right}.orbit-label span{font-size:9px;letter-spacing:1px;color:var(--muted)}.orbit-label strong{display:block;font:500 24px 'Space Grotesk';margin-top:6px}.orbit-label small{font-size:15px}.art-caption{position:absolute;bottom:-5px;left:25px;right:5px;display:flex;justify-content:space-between;align-items:end;line-height:1.5;color:#71816d;font-size:9px;letter-spacing:.7px}.art-caption span:last-child{text-align:right}.spec-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:repeat(4,1fr);max-width:1280px;margin:auto}.spec-strip div{padding:25px 35px;border-right:1px solid var(--line)}.spec-strip div:last-child{border:0}.spec-strip strong{font:500 30px 'Space Grotesk';display:block}.spec-strip small{font-size:16px}.spec-strip span{font-size:11px;color:var(--muted)}.intro-section{padding-top:105px;padding-bottom:110px}.section-index{color:#7d8d6a;margin-bottom:23px}h2{font-size:clamp(35px,4vw,52px);letter-spacing:-2.2px;line-height:1.14}.intro-grid{margin-top:40px;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:55px}.intro-grid p{color:var(--muted);font-size:15px}.intro-grid>p{font-size:17px}.feature-line{border-top:1px solid #aebca7;padding-top:18px}.feature-line b{display:block;margin-bottom:10px;font-weight:600}.pinout-section{background:var(--green);color:#f5f6e9;padding:85px 0}.pinout-section .section-index{color:#b6cf95}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px}.section-heading>p{font-size:14px;color:#90a58e}.pinout-layout{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:75px;padding:50px 0 35px}.pinout-board{max-width:460px;width:100%;margin:auto}.pinout-board svg{display:block;width:100%}.pcb-shape{fill:#264b3b;stroke:#729b65;stroke-width:1.4}.usb-lines{stroke:#b0c98f;stroke-width:9;fill:none;opacity:.7}.usb-label{fill:#9db18c;font:10px var(--mono);letter-spacing:2px}.pad rect{fill:#b5c3a3;stroke:#d5e2c0;stroke-width:1;transition:fill .2s}.pad text{fill:#e8f0dc;font:11px var(--mono);pointer-events:none}.pad{cursor:pointer}.pad:hover rect,.pad.active rect{fill:var(--lime);stroke:var(--lime)}.pad.active text{fill:var(--lime)}.touch-ring{fill:none;stroke:#afc58c;stroke-width:1.5;stroke-dasharray:3 3}.touch-label,.touch-sub{text-anchor:middle;fill:#c4d5aa;font:9px var(--mono);letter-spacing:1px}.touch-sub{font-size:8px;opacity:.6}.board-brand{text-anchor:middle;fill:#8da875;font:italic 600 15px 'Space Grotesk'}.view-label{display:flex;justify-content:space-between;color:#87a07b;font-size:9px;margin-top:10px}.pad-category{color:var(--lime);margin-bottom:10px}.pad-title{display:flex;align-items:center;gap:20px}.pad-title h3{font-size:65px;letter-spacing:-3px}.pad-title>span{color:#b2c5a7;font:12px var(--mono)}.pad-detail>p{font-size:16px;color:#c0cdb6;margin:14px 0 30px;min-height:55px}.code-label{color:#a1b78d;margin-bottom:8px;font-size:9px}.pad-detail pre{margin:0;background:#10291f;padding:20px;color:var(--lime);border-radius:6px;font:13px/1.8 var(--mono);white-space:pre-wrap}.pad-detail .pad-footnote{font-size:12px;min-height:38px;color:#94ac87}.power-note{display:flex;gap:20px;border-top:1px solid #436246;padding-top:30px;font-size:12px;color:#a8bea0}.power-note>span{font-size:30px;color:var(--lime);line-height:1}.power-note b{color:#d2e2c5}.arduino-section{padding-top:100px;padding-bottom:95px}.arduino-section .section-heading>p{color:var(--muted)}.setup-grid{display:grid;grid-template-columns:1fr 1fr;gap:70px;margin:50px 0}.setup-steps article{display:flex;gap:20px;margin-bottom:30px}.setup-steps article>span{font:11px var(--mono);width:27px;flex-shrink:0;padding-top:4px;color:#79913d}.setup-steps h3{font-size:20px;letter-spacing:-.5px;margin-bottom:9px}.setup-steps p{font-size:14px;color:var(--muted);margin-bottom:8px}.code-window{background:#e7eade;border:1px solid #d2dac8;border-radius:12px;overflow:hidden;align-self:start}.code-toolbar{padding:15px 17px;border-bottom:1px solid #cdd4c2;display:flex;justify-content:space-between;align-items:center;font:10px var(--mono);color:#718267}.code-toolbar i{display:inline-block;border-radius:100%;width:6px;height:6px;margin-right:5px;background:#b7c2a5}.code-toolbar button{font:10px var(--mono);background:transparent;border:1px solid #aebc9d;border-radius:5px;padding:4px 10px;cursor:pointer}.code-window>pre{font:13px/1.85 var(--mono);padding:23px;margin:0;overflow:auto;color:#35573b}.terminal{margin:0 15px 15px;padding:15px;background:#163429;color:#d2e8ba;border-radius:7px}.terminal>span{font:8px var(--mono);letter-spacing:1px;display:block;color:#8baa7d;margin-bottom:12px}.terminal code{font:12px/1.8 var(--mono)}.terminal b{color:var(--lime)}.code-note{font-size:10px;color:#738366;padding:0 20px 17px}details{border-top:1px solid var(--line);padding:21px 0}details:last-child{border-bottom:1px solid var(--line)}summary{cursor:pointer;list-style:none;font-weight:500;display:flex;justify-content:space-between}summary::-webkit-details-marker{display:none}summary span{color:#789341}details[open] summary span{transform:rotate(45deg)}.details-content{font-size:14px;color:var(--muted);max-width:850px;padding-top:20px}.details-content p+p{margin-top:12px}.downloads-section{padding:80px 0;background:#e5e9dc}.download-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:38px 0}.download-grid>a{border-top:1px solid #9aaa8d;padding:22px 0}.file-kind{color:#788a66;font-size:9px}.download-grid h3{margin:18px 0 12px;font-size:23px;letter-spacing:-.7px;display:flex;justify-content:space-between}.download-grid a:hover h3{color:#728c25}.download-grid p{font-size:13px;color:#6f7f62;max-width:280px}.prototype-note{font-size:11px;color:#78866b;max-width:900px}.prototype-note b{color:#5f7151}footer{display:flex;justify-content:space-between;align-items:center;padding:35px 5%;font-size:12px;color:#748367}footer .wordmark{color:var(--ink);font-size:24px}.skip{position:absolute;left:20px;top:-60px;z-index:20;background:var(--lime);padding:8px}.skip:focus{top:10px}@media(max-width:900px){nav{gap:18px}.hero{padding-top:60px;min-height:560px}.hero-art{height:410px}h1{letter-spacing:-3px}.hero-art img{top:55px;width:115%;left:-7%}.orb-one,.orb-two{width:330px;height:330px;left:0;top:40px}.orbit-label{right:0}.spec-strip div{padding:22px}.intro-grid{gap:30px}.pinout-layout,.setup-grid{gap:35px}.actions{gap:16px}.hero-note{font-size:9px}}@media(max-width:650px){header{padding:18px 6%}.wordmark{font-size:26px}nav a:first-child,nav a:nth-child(2){display:none}nav{gap:18px;font-size:12px}.nav-cta{padding:7px 12px}.hero{grid-template-columns:1fr;padding:45px 6% 25px}.hero h1{font-size:60px;letter-spacing:-3.5px}.hero .intro{font-size:16px}.eyebrow{font-size:9px}.hero-note{margin-top:28px}.hero-art{height:400px;margin-top:35px}.hero-art img{width:100%;left:0;top:55px}.orb-one,.orb-two{width:310px;height:310px;left:10%;top:20px}.orbit-label{top:0}.art-caption{bottom:0}.spec-strip{grid-template-columns:1fr 1fr}.spec-strip div{padding:20px 6%;border-bottom:1px solid var(--line)}.spec-strip div:nth-child(2){border-right:0}.spec-strip div:nth-child(3){border-bottom:0}.spec-strip strong{font-size:26px}.wrap{padding-left:6%;padding-right:6%}.intro-section{padding-top:60px;padding-bottom:60px}.intro-grid{grid-template-columns:1fr;gap:25px;margin-top:25px}.intro-grid>p{font-size:16px}.intro-grid p{max-width:470px}.section-index{font-size:9px}.section-heading{display:block}.section-heading>p{margin-top:20px}.pinout-section{padding:60px 0}.pinout-layout{grid-template-columns:1fr;gap:40px;padding-top:25px}.pinout-board{max-width:370px}.pad-title h3{font-size:55px}.pad-detail>p{min-height:0}.pad-detail .pad-footnote{min-height:0}.power-note{gap:10px}.arduino-section{padding-top:60px;padding-bottom:60px}.setup-grid{grid-template-columns:1fr;gap:10px;margin-top:30px}.setup-steps article{gap:12px}.download-grid{grid-template-columns:1fr;gap:8px}.download-grid>a{padding:20px 0}.download-grid p{max-width:none}.downloads-section{padding:60px 0}footer{padding:30px 6%;flex-wrap:wrap;gap:15px}footer>p{display:none}summary{font-size:14px;gap:15px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Real assembly viewer; scoped so the existing landing page stays unchanged. */
.model-section{padding-top:0;padding-bottom:95px}.model-section .section-heading>p{color:var(--muted)}.model-stage{position:relative;background:#e9eddf;border:1px solid #d3dcc7;border-radius:22px;margin-top:35px;overflow:hidden}.model-badge{position:absolute;top:25px;left:28px;z-index:2;display:flex;gap:9px;align-items:center;font:9px var(--mono);letter-spacing:1.4px;color:#708462;pointer-events:none}.model-badge .status-dot{background:#819d42}model-viewer{display:block;width:100%;height:400px;--poster-color:transparent;--progress-bar-color:#789a38;--poster-transition-duration:.3s;background:radial-gradient(ellipse at 50% 45%,#f8faef 0%,#e9eddf 66%);touch-action:pan-y}model-viewer::part(default-progress-bar){height:2px}model-viewer::part(default-ar-button){display:none}.model-progress{position:absolute;left:50%;top:65px;transform:translateX(-50%);font:12px var(--mono);color:#708462;white-space:nowrap}.model-status{position:absolute;top:57px;left:28px;right:28px;font-size:12px;color:#61734f;pointer-events:none}.model-status.model-ready{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.model-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;border-top:1px solid #d3dcc7;padding:20px 28px;background:#f0f2e8}.model-views{display:flex;gap:5px;padding:4px;border:1px solid #c9d3bd;border-radius:50px}.model-views button{font-size:12px;font-weight:500;border:0;background:transparent;color:#637455;border-radius:30px;padding:8px 18px;cursor:pointer}.model-views button[aria-pressed=true]{background:var(--ink);color:#f6f7ee}.model-views button:hover:not([aria-pressed=true]){background:#dfe7d0}.model-views button:disabled{opacity:.5;cursor:wait}.model-scale{font:10px var(--mono);color:#7b8c6e;letter-spacing:.4px}.model-download{font-size:12px;font-weight:600}.model-download:hover{text-decoration:underline}.model-caption{font-size:11px;color:#7b8a6d;margin-top:15px;max-width:750px}@media(max-width:900px){header nav{gap:16px}.model-scale{display:none}model-viewer{height:380px}}@media(max-width:650px){header nav a[href="#pinout"]{display:none}.model-section{padding-bottom:60px}.model-stage{border-radius:16px;margin-top:25px}.model-badge{left:19px;top:20px;font-size:8px}.model-status{left:19px;right:19px;top:43px}.model-toolbar{padding:14px 15px;gap:9px}.model-views button{font-size:11px;padding:7px 12px}.model-download{font-size:10px}model-viewer{height:320px}.model-caption{font-size:10px}}@media(prefers-reduced-motion:reduce){model-viewer{--poster-transition-duration:0s}}