:root{font-family:Inter,ui-sans-serif,system-ui,sans-serif;color:#213f3b;background:#f5f6ee;line-height:1.65;font-synthesis:none}*{box-sizing:border-box}body{margin:0}a{color:#236d5c;text-decoration:none}a:hover{text-decoration:underline}header{padding:22px max(25px,calc((100vw - 1180px)/2));display:flex;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid #d9e2d5;background:#fafbf6}nav{display:flex;gap:24px;font-size:13px}.brand{font-size:25px;font-weight:750;color:#173b35;white-space:nowrap}.brand span{font-weight:350}.brand small{font-size:9px;letter-spacing:2px;margin-left:18px;color:#658073}main{max-width:1180px;margin:auto;padding:0 25px}section{padding:48px 0;border-bottom:1px solid #dce4d5;scroll-margin-top:20px}.hero{display:grid;grid-template-columns:1.45fr 1fr;gap:70px;align-items:center;padding:68px 0 45px}.eyebrow{font-size:10px;font-weight:750;letter-spacing:2px;color:#658467}h1{font-size:clamp(34px,4.1vw,54px);line-height:1.16;letter-spacing:-2px;margin:18px 0 23px}h1 em{color:#4b8068;font-style:normal}.hero p{font-size:15px;color:#627668}.hero aside{background:#e9efe1;border:1px solid #d7e1cb;padding:28px;border-radius:15px}.hero aside strong{display:block;font-size:58px;letter-spacing:-2px;color:#1e6251;line-height:1.6}.hero aside strong small{font-size:17px;letter-spacing:0}.hero aside p{font-size:13px}.chips{display:flex;gap:9px;flex-wrap:wrap}.chips span,.tag{border:1px solid #c9d8c0;border-radius:5px;font-size:10px;padding:4px 8px;color:#5d7858}.hero-links{display:flex;gap:20px;align-items:center;font-size:13px;margin-top:25px}.button{display:inline-block;background:#246653;color:white;padding:12px 17px;border-radius:7px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:20px}h2{font-size:28px;line-height:1.25;letter-spacing:-.8px;margin:12px 0 18px}h3{font-size:17px;margin-top:0}.lead{font-size:14px;color:#64786b;max-width:860px;margin:0 0 24px}.diagram-shell{border-radius:12px;overflow:hidden;background:#102b32}.diagram-toolbar{display:flex;justify-content:space-between;padding:12px;background:#18373b;gap:10px}.diagram-toolbar>div{display:flex;gap:6px}button{cursor:pointer;border:1px solid #476360;background:transparent;color:#d6e7d8;border-radius:5px;padding:8px 12px;font:inherit;font-size:11px}button:hover,button.active{background:#426553;color:white}svg{display:block;width:100%;aspect-ratio:1120/430;touch-action:none}.svgt{fill:#d3e7de;font:13px system-ui}.svgt rect{fill:#224148;stroke:#547679}.svgt .caption{font-size:10px;letter-spacing:1.1px;fill:#90b5a3}.svgt .title{font-size:17px;font-weight:650;fill:#ecf2df}.svgt .tiny{font-size:10px;fill:#b3cec4}.svgt path{fill:none;stroke-width:2}.digital{stroke:#a39ddd}.analog{stroke:#70ceba}.reference{stroke:#e7c17c}.power{stroke:#f1b495}.blank{stroke:#a5aec3;stroke-dasharray:5 4}.plates{stroke:#f4d291;stroke-width:4!important}.connection-grid{display:grid;grid-template-columns:1.65fr 1fr;gap:24px;margin-top:24px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;font-size:12px}th{text-align:left;background:#e9eedf;font-size:11px;color:#6d8066}th,td{padding:12px 14px;border-bottom:1px solid #dce3d6}td:first-child{white-space:nowrap;font-weight:600}aside.note{padding:22px;background:#edf1e6;border-radius:9px;font-size:13px}.calculator{display:grid;grid-template-columns:265px 1fr;background:#fbfcf7;border:1px solid #dbe4d3;border-radius:12px;overflow:hidden}.inputs{padding:25px;background:#eaf0e2}.inputs label{display:block;font-size:12px;font-weight:600;margin-bottom:15px}.inputs input,.inputs select{width:100%;display:block;font:inherit;padding:9px;margin-top:6px;border:1px solid #c7d5c0;background:#fff;border-radius:6px;color:#284c3d}.inputs input[type=range]{padding:0;accent-color:#397459}.inputs output{float:right;font-weight:400}.inputs p,.small{font-size:11px;color:#687e6c}.results{padding:27px}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:23px}.result-grid span{font-size:11px;color:#758771;display:block}.result-grid strong{display:block;font-size:27px;color:#2a6651}.results canvas{width:100%;height:140px;margin-top:20px}.results p{font-size:12px;color:#617862}.results .warning{color:#92652b;background:#fff0d6;padding:10px;border-radius:5px}details{border-top:1px solid #dce4d5;padding-top:12px;font-size:12px}summary{cursor:pointer;font-weight:600;color:#306652}.board-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:start;font-size:14px}.board-grid>a{background:#e7ece1;border-radius:12px;overflow:hidden;display:block}.board-grid img{width:100%;display:block;min-height:160px;object-fit:contain}.downloads a{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid #dce4d5;font-size:13px}.downloads span{font-size:10px;color:#84947c}.steps{padding-left:24px;max-width:940px;font-size:14px}.steps li{padding:9px 0 9px 8px}.steps b{color:#295e4e}footer{display:flex;gap:20px;flex-wrap:wrap;padding:30px 0;font-size:12px}footer span{margin-left:auto;color:#8a9982}:focus-visible{outline:3px solid #c0933e;outline-offset:3px}@media(max-width:800px){header{align-items:flex-start;flex-direction:column;padding:18px 22px}nav{gap:15px;flex-wrap:wrap}.hero{gap:25px;grid-template-columns:1fr;padding:35px 0}.hero aside strong{font-size:44px}.hero aside{padding:20px}.hero-links{flex-wrap:wrap}.connection-grid,.board-grid{grid-template-columns:1fr}.section-heading{align-items:flex-start;flex-direction:column;gap:0}.calculator{grid-template-columns:1fr}.inputs{display:grid;grid-template-columns:1fr 1fr;gap:12px}.inputs label{margin:0}.inputs p{grid-column:1/-1}.diagram-toolbar{flex-wrap:wrap}.diagram-toolbar button{padding:7px;font-size:10px}svg{min-height:220px}.result-grid strong{font-size:23px}section{padding:35px 0}h2{font-size:24px}footer span{margin-left:0}.brand small{margin-left:12px}.results{padding:20px}}