:root{color-scheme:dark;--field: #082f49;--deep: #05263b;--ink: #d8f3f1;--cyan: #67e8f9;--amber: #fbbf24;--pass: #86efac;--fault: #fda4af;--muted: #a9c8d3;--line: rgb(103 232 249 / 24%);--max: 1280px;font-family:Arial,Helvetica Neue,sans-serif;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--field)}body{margin:0;min-width:320px;background-color:var(--field);background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:32px 32px;color:var(--ink);font-size:16px;line-height:1.55}body:before{content:"";position:fixed;inset:0;pointer-events:none;background:radial-gradient(circle at 22% 8%,rgb(103 232 249 / 7%),transparent 42%)}a{color:inherit;text-underline-offset:4px}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--cyan);outline-offset:4px}.skip-link{position:fixed;z-index:20;top:8px;left:8px;padding:12px 16px;background:var(--amber);color:#102735;transform:translateY(-150%)}.skip-link:focus{transform:translateY(0)}.offline-notice{position:relative;z-index:12;display:flex;justify-content:center;align-items:center;gap:16px;min-height:48px;padding:8px 24px;color:#102735;background:var(--amber);font-weight:700}.offline-notice[hidden]{display:none}.site-header,footer{position:relative;z-index:2;max-width:var(--max);margin:auto;padding:24px clamp(24px,5vw,64px);display:flex;align-items:center;justify-content:space-between;gap:32px}.site-header{min-height:96px;border-bottom:1px solid var(--line)}.wordmark{display:inline-flex;gap:12px;align-items:center;font:700 13px/1.1 SFMono-Regular,Consolas,monospace;letter-spacing:.12em;text-decoration:none}.aperture{width:28px;aspect-ratio:1;border:1px solid var(--cyan);border-radius:50%;background:conic-gradient(from 15deg,transparent 0 15%,var(--cyan) 15% 17%,transparent 17% 32%,var(--cyan) 32% 34%,transparent 34% 49%,var(--cyan) 49% 51%,transparent 51% 66%,var(--cyan) 66% 68%,transparent 68% 83%,var(--cyan) 83% 85%,transparent 85%)}.site-header nav,footer nav{display:flex;gap:24px;align-items:center}.site-header nav a,footer a{min-height:44px;display:inline-flex;align-items:center;color:var(--muted);font-weight:700;text-decoration:none}.site-header nav a:hover,footer a:hover{color:var(--ink)}main{position:relative;z-index:1;max-width:var(--max);margin:auto;padding:0 clamp(24px,5vw,64px);overflow:hidden}section{padding-block:clamp(72px,10vw,136px)}.hero{position:relative;min-height:min(800px,calc(100vh - 96px));display:grid;grid-template-columns:minmax(0,.95fr) minmax(480px,1.05fr);gap:clamp(32px,5vw,80px);align-items:center}.hero:before,.hero:after{position:absolute;color:var(--cyan);opacity:.55;font:11px/1 monospace}.hero:before{content:"X 00.00 / Y 00.00";top:24px;left:0}.hero:after{content:"SCALE 1:1 / MM";right:0;bottom:24px}.eyebrow{color:var(--cyan);font:700 12px/1.4 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calc(100% - 9px))}.button:hover{transform:translateY(-2px)}.button:active{transform:translateY(0)}.button.primary{background:var(--amber);color:#102735;box-shadow:5px 5px #fbbf242e}.button.secondary{border-color:var(--cyan);color:var(--ink)}.button.compact{min-height:44px;padding-block:8px}.button.wide{width:100%}.text-button{min-height:44px;border:0;padding:8px 4px;color:inherit;background:transparent;font-weight:800;text-decoration:underline;text-underline-offset:4px;cursor:pointer}.trust-line{display:flex;flex-wrap:wrap;gap:8px 20px;padding:0;color:var(--muted);font:700 12px/1.4 SFMono-Regular,Consolas,monospace;letter-spacing:.08em;list-style:none;text-transform:uppercase}.trust-line li:before{content:"✓";margin-right:7px;color:var(--pass)}.hero-figure{position:relative;margin:0;border:1px solid var(--line);background:var(--deep);clip-path:polygon(0 0,calc(100% - 28px) 0,100% 28px,100% 100%,28px 100%,0 calc(100% - 28px))}.hero-figure img{display:block;width:100%;height:auto;aspect-ratio:3 / 2;object-fit:cover}.hero-figure figcaption{position:absolute;right:16px;bottom:14px;padding:4px 8px;color:var(--amber);background:#05263be0;font:11px/1.4 monospace;letter-spacing:.08em}.section-rule{position:relative;border-top:1px solid var(--line)}.section-rule:before{content:"+";position:absolute;top:-14px;left:-4px;color:var(--cyan);font:26px/1 monospace}.section-heading{display:grid;grid-template-columns:1fr 1fr;column-gap:40px;align-items:end}.section-heading .eyebrow{grid-column:1 / -1}.check-grid{margin:56px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--line);border-left:1px solid var(--line);list-style:none}.check-grid li{min-height:230px;padding:24px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:#05263b9e}.check-grid li:nth-child(7){grid-column:span 2}.check-grid span{display:block;margin-bottom:42px;color:var(--amber);font:12px/1 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