:root{font-family:Inter,system-ui,sans-serif;color:#223c3a;background:#f4f6f0;font-synthesis:none;font-size:14px}*{box-sizing:border-box}body{margin:0}a{color:#247a6a;text-decoration:none}a:hover{text-decoration:underline}button,input{font:inherit}button,a,input,summary{outline-offset:5px}button{cursor:pointer}header{display:flex;align-items:center;gap:25px;padding:24px 4vw;border-bottom:1px solid #dce3d8;background:#fbfcf8}header>a:nth-last-child(2){margin-left:auto}.brand{font-size:25px;font-weight:750;letter-spacing:-1.5px;color:#173e36}.brand span{font-weight:350}.header-label,.eyebrow{font-size:10px;letter-spacing:1.8px;color:#728b7d;font-weight:650}main{max-width:1340px;margin:auto;padding:0 36px}.hero{padding:55px 0 35px;display:grid;grid-template-columns:1.4fr 1fr;gap:70px;align-items:center}h1{font-size:clamp(32px,4.2vw,53px);line-height:1.1;font-weight:550;letter-spacing:-1.8px;margin:20px 0}h2{font-size:25px;letter-spacing:-.6px;font-weight:550;margin:8px 0 14px}p{line-height:1.8}.intro{max-width:620px;color:#6c8276;font-size:15px}.hero aside{background:#e9f0e4;border:1px solid #d5e0ce;border-radius:10px;padding:25px}.hero aside h2{font-size:20px;margin-top:20px}.hero aside p{font-size:13px;color:#607666}.hero aside small{display:block;border-top:1px solid #cfdbca;padding-top:15px;line-height:1.6;color:#687f6c}.pill{display:inline-block;font:10px ui-monospace,monospace;letter-spacing:1px;padding:7px 10px;background:#d8e9dc;color:#3d765c;border-radius:4px}nav{display:flex;gap:28px;flex-wrap:wrap;padding:20px 0;border-top:1px solid #dce3d8;border-bottom:1px solid #dce3d8}nav a{font-size:12px}section[id]{padding-top:40px;scroll-margin-top:20px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:15px}.muted,.caption{color:#738779;font-size:12px}.caption{line-height:1.8}.source{font-size:11px;text-decoration:underline;text-underline-offset:3px}.map-card{background:#112630;border:1px solid #2c424c;border-radius:10px;overflow:hidden}.map-controls{display:flex;gap:8px;padding:13px 16px;background:#19343e;flex-wrap:wrap}.map-controls button{border:0;border-radius:4px;background:transparent;color:#99b6b7;padding:8px 12px;font-size:12px}.map-controls button.active{background:#30524f;color:#d2eee1}.zoom{display:flex;margin-left:auto}.zoom button{border:1px solid #3a5860;font-size:18px;padding:2px 13px}.diagram-wrap{aspect-ratio:1100/535;overflow:hidden}.diagram-wrap svg{width:100%;height:100%;touch-action:none;display:block;cursor:grab}svg text{fill:#cedfe3;font:13px system-ui,sans-serif}svg .tiny{fill:#8fa9b1;font-size:10px}svg .value{fill:#bcebd9;font:13px ui-monospace,monospace}svg .zone{fill:#23374366;stroke:#3b5460;stroke-width:1}svg .zone.air{fill:#1a3c3633;stroke:#416258}svg .zone-title{font-size:11px;letter-spacing:1px;fill:#7faaa4}svg .boundary{stroke:#86a6ab;stroke-dasharray:4 5;stroke-width:1.5}.node{cursor:pointer}.node rect{fill:#203946;stroke:#46616c;stroke-width:1.3}.node:focus rect,.node:hover rect,.node.selected rect{fill:#2f514f;stroke:#c5dfb8;stroke-width:2}.node.scint rect{fill:#745a3e;stroke:#d7b892}svg .beam{fill:none;stroke:#7ed6ca;stroke-width:2;stroke-dasharray:2 4}.net{fill:none;stroke-width:2;opacity:.65}.net.active{opacity:1;stroke-width:3;filter:drop-shadow(0 0 3px #b1e9d63b)}.photon{stroke:#e4d59c;stroke-dasharray:3 4}.signal{stroke:#d9b877}.hv{stroke:#cea1f0}.collector{stroke:#91ccb3}.ground,.return{stroke:#8ca7b1}.positive{stroke:#d5686e}.negative{stroke:#65ba9c}.control{stroke:#e4e9ed}.map-note{background:#1a333d;padding:18px 24px;color:#adc5c4;min-height:92px;font-size:13px;line-height:1.7;border-top:1px solid #304952}.map-note strong{display:block;color:#d5e8db;margin-bottom:4px}.map-note a{color:#b9dece}.disclosure{margin-top:20px}.disclosure summary{cursor:pointer;padding:17px;background:#e8eee2;border-radius:5px;font-weight:550}.disclosure>p{font-size:12px;color:#6a7c6c}.table-scroll{overflow:auto;border:1px solid #d5dfcf;border-radius:7px}table{border-collapse:collapse;width:100%;min-width:660px;background:#fafcf7;font-size:12px}th{text-align:left;color:#72816d;background:#eaf0e5;font-weight:550;font-size:11px}td,th{padding:17px 20px;border-bottom:1px solid #e0e7db;vertical-align:top;line-height:1.7}td:first-child{font-weight:550;min-width:145px}td a{display:block;font-size:11px;margin-top:9px}tr:last-child td{border-bottom:0}.wire-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.wire-card{padding:22px;border:1px solid #d6e1cf;background:#fffef9;border-radius:8px}.wire-card h3{font-size:17px;margin:0 0 16px;display:flex;gap:10px;align-items:center}.wire-card i{width:25px;height:6px;background:var(--lead);border:1px solid #a6b3b9;border-radius:2px}.wire-card strong{font-size:13px;font-weight:550}.wire-card p{font-size:12px;color:#687f73;margin-bottom:10px}.wire-card small{font-size:11px;color:#83927f;line-height:1.8;display:block}.callout{margin-top:20px;background:#eaf0e5;border-left:3px solid #7f9e68;padding:18px 24px;border-radius:3px;font-size:13px}.callout p{margin-bottom:0;color:#6b7d65}.check-grid{display:grid;grid-template-columns:300px 1fr;gap:25px}.control-panel{background:#edf2e7;border:1px solid #d9e4ce;border-radius:8px;padding:22px}.control-panel label{display:block;font-size:12px;color:#627b65;margin-bottom:18px}.control-panel label div{display:flex;align-items:center;margin-top:8px;background:#fcfdf9;border:1px solid #ccd9c3;border-radius:5px;padding-right:12px;gap:8px}.control-panel input{width:100%;min-width:0;padding:11px;border:0;background:transparent;color:#246756;font:16px ui-monospace,monospace}.control-panel p{font-size:11px;color:#7b8b70}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}.result-grid article{border:1px solid #dbe2d6;border-radius:7px;background:#fffefb;padding:20px}.result-grid span{font-size:11px;color:#788a76;display:block}.result-grid strong{font:27px ui-monospace,monospace;color:#397a68;display:block;margin:13px 0}.result-grid small{font-size:10px;color:#8b9982;line-height:1.7;display:block}.check-message{padding:12px 17px;font-size:12px;background:#e7efe0;border-radius:5px;margin:15px 0}.check-message.bad{background:#f4e9da;color:#85572e;border-left:3px solid #c58b48}.signal-gauge{height:12px;background:#d7e1d0;border-radius:4px;overflow:hidden}#signal-fill{height:100%;background:#549b82}.gauge-label{display:flex;justify-content:space-between;color:#84967c;font:10px ui-monospace,monospace;margin-top:7px}.math-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}.math-card{background:#fcfdf9;border:1px solid #d8e2d0;border-radius:6px;padding:18px;align-self:start}.math-card summary{font:13px ui-monospace,monospace;cursor:pointer;line-height:1.7}.math-card summary span{display:block;color:#438477;font-size:12px;margin-top:12px}.math-card p{font-size:12px;color:#76866d}.steps{display:grid;grid-template-columns:1fr 1fr;gap:15px}.step{background:#fffef9;border:1px solid #d8e2d1;border-radius:7px;padding:22px}.step-heading{display:flex;align-items:center;gap:14px}.step-heading span{color:#8da680;font:14px ui-monospace,monospace}.step h3{font-size:15px;margin:0}.step p{font-size:12px;color:#72836b}.step strong{font-size:11px;font-weight:550;color:#526b4c}.step .expected{border-top:1px solid #e1e8d9;padding-top:12px;margin-bottom:0}.step small{font-size:11px;display:block;line-height:1.8;margin-top:7px;color:#8b967d}footer{padding:40px 0;color:#8b9884;font-size:10px;line-height:1.9}
@media(max-width:960px){.hero{gap:28px;grid-template-columns:1fr 1fr}.header-label{display:none}.wire-grid{grid-template-columns:1fr 1fr}.check-grid{grid-template-columns:245px 1fr}.result-grid strong{font-size:23px}.section-heading{align-items:flex-start;flex-wrap:wrap}}
@media(max-width:650px){main{padding:0 17px}header{padding:18px;gap:17px;font-size:11px}.brand{font-size:23px}header>a:nth-last-child(2){margin-left:auto}.hero{grid-template-columns:1fr;padding-top:28px;gap:10px}h1{font-size:37px}.intro{font-size:14px}.hero aside{padding:20px}nav{gap:15px 20px}nav a{font-size:11px}.wire-grid,.check-grid,.math-grid,.steps{grid-template-columns:1fr}.wire-card{padding:19px}.diagram-wrap{aspect-ratio:1.15}.map-controls{padding:10px;gap:2px}.map-controls button{font-size:10px;padding:9px}.zoom button{font-size:18px;padding:0 12px}.map-note{padding:16px;font-size:12px}.result-grid article{padding:17px}.result-grid strong{font-size:23px}.section-heading h2{font-size:25px}.caption{font-size:11px}.callout{padding:17px;font-size:12px}}
@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
