:root{
  --paper:#F2F4F1; --ink:#17232E; --muted:#4E5B63; --pine:#2E5E4E; --pine-ink:#FFFFFF;
  --steel:#C4CCC8; --plate:#DCE2DE; --plate-edge:#9AA6A0; --held:#A3372B; --row:#E8ECE8; --link:#1F4F8F;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --paper:#141B20; --ink:#E4E9E6; --muted:#A7B2AE; --pine:#6FAF97; --pine-ink:#0D1A15;
    --steel:#33403E; --plate:#1E282C; --plate-edge:#4C5A57; --held:#F08B7E; --row:#1A2327; --link:#8DB8F0; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --paper:#141B20; --ink:#E4E9E6; --muted:#A7B2AE; --pine:#6FAF97; --pine-ink:#0D1A15;
  --steel:#33403E; --plate:#1E282C; --plate-edge:#4C5A57; --held:#F08B7E; --row:#1A2327; --link:#8DB8F0; color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 17px/1.6 "Public Sans",system-ui,sans-serif}
a{color:var(--link)}
a:focus-visible,.btn:focus-visible,.tablewrap:focus-visible{outline:3px solid var(--pine);outline-offset:2px}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px}.skip:focus{left:16px;top:8px;background:var(--ink);color:var(--paper);padding:8px 12px;z-index:9}
.disclosure{margin:0;padding:8px 16px;font-size:14px;line-height:1.4;background:var(--plate);color:var(--muted);text-align:center}
.top{border-bottom:2px solid var(--ink)}
.top .wrap{display:flex;flex-wrap:wrap;align-items:baseline;gap:8px 28px;padding-top:16px;padding-bottom:12px}
.brand{font:700 30px/1 "Barlow Condensed",sans-serif;color:var(--ink);text-decoration:none;letter-spacing:.01em}
.top nav{display:flex;flex-wrap:wrap;gap:4px 18px}
.top nav a{font:600 18px/1.3 "Barlow Condensed",sans-serif;color:var(--muted);text-decoration:none;padding:2px 0;border-bottom:3px solid transparent}
.top nav a:hover{color:var(--ink)}
.top nav a[aria-current="page"]{color:var(--ink);border-bottom-color:var(--pine)}
main{padding-bottom:48px}
h1,h2,h3{font-family:"Barlow Condensed",sans-serif;line-height:1.05;margin:0}
h1{font-size:clamp(40px,7vw,68px);font-weight:700;letter-spacing:-.01em;max-width:16ch;margin-top:40px}
h2{font-size:32px;font-weight:600;margin:48px 0 12px}
h3{font-size:22px;font-weight:600}
.answer{font-size:21px;line-height:1.5;max-width:62ch;margin:18px 0 0}
.lede,.prose p,.prose li{max-width:68ch}
.hero{display:grid;grid-template-columns:1fr 300px;gap:40px;align-items:end}
.plate{position:relative;background:var(--plate);border:2px solid var(--plate-edge);border-radius:6px;padding:22px 24px 18px;margin-top:40px}
.plate::before,.plate::after{content:"";position:absolute;top:10px;width:9px;height:9px;border-radius:50%;background:var(--plate-edge)}
.plate::before{left:10px}.plate::after{right:10px}
.plate-title{font:700 22px/1 "Barlow Condensed",sans-serif;margin:0 0 12px;text-align:center;border-bottom:1px solid var(--plate-edge);padding-bottom:10px}
.plate dl{margin:0}
.plate dl div{display:flex;justify-content:space-between;gap:12px;padding:5px 0;border-bottom:1px dashed var(--plate-edge)}
.plate dl div:last-child{border-bottom:0}
.plate dt{color:var(--muted);font-size:15px}
.plate dd{margin:0;font:700 21px/1.2 "Barlow Condensed",sans-serif;font-variant-numeric:tabular-nums}
.picklist{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:0;border-top:2px solid var(--ink)}
.picklist li{padding:18px 18px 22px 0;border-bottom:1px solid var(--steel)}
.picklist li+li{padding-left:18px;border-left:1px solid var(--steel)}
.picklist h3{color:var(--pine);margin-bottom:8px}
.picklist p{margin:0 0 8px;font-size:16px}
.maker{display:block;font-size:14px;color:var(--muted);font-weight:400}
.btn{display:inline-block;background:var(--pine);color:var(--pine-ink);font:600 15px/1.2 "Public Sans",sans-serif;padding:10px 14px;border-radius:4px;text-decoration:none;margin-top:4px}
.btn:hover{filter:brightness(1.08)}
.btn-plain{background:transparent;color:var(--ink);border:1.5px solid var(--ink)}
.btn-sm{padding:7px 10px;font-size:14px;white-space:nowrap}
.noearn{display:block;font-size:12px;color:var(--muted);margin-top:4px}
.tablewrap{overflow-x:auto;margin:16px 0 8px;border-top:2px solid var(--ink)}
table{border-collapse:collapse;width:100%;min-width:760px;font-size:15px;font-variant-numeric:tabular-nums}
caption{text-align:left;font-size:14px;color:var(--muted);padding:8px 0;caption-side:bottom}
th{text-align:left;font:600 16px/1.2 "Barlow Condensed",sans-serif;padding:10px 12px 8px 0;border-bottom:1px solid var(--ink);vertical-align:bottom}
td{padding:12px 12px 12px 0;border-bottom:1px solid var(--steel);vertical-align:top}
tbody tr:nth-child(even){background:var(--row)}
td:first-child,th:first-child{padding-left:8px}
.held{display:inline-block;font:700 14px/1 "Barlow Condensed",sans-serif;color:var(--held);border:1.5px solid var(--held);border-radius:3px;padding:3px 6px;transform:rotate(-2deg)}
.why{display:block;font-size:13px;color:var(--muted);margin-top:4px;max-width:28ch}
.note{font-size:15px;color:var(--muted);max-width:72ch}
.facts,.steps{padding-left:22px}
.facts li,.steps li{margin-bottom:10px}
.guidelist{list-style:none;padding:0;margin:0;border-top:2px solid var(--ink)}
.guidelist a{display:block;padding:14px 0;border-bottom:1px solid var(--steel);font:600 24px/1.2 "Barlow Condensed",sans-serif;color:var(--ink);text-decoration:none}
.guidelist a:hover{color:var(--pine)}
.diagram{margin:28px 0;max-width:520px}
.diagram svg{width:100%;height:auto}
.diagram figcaption{font-size:14px;color:var(--muted)}
.d-ceil,.d-floor{stroke:var(--ink);stroke-width:3}
.d-frame{fill:none;stroke:var(--pine);stroke-width:4}
.d-mat{fill:var(--steel)}
.d-dim{stroke:var(--muted);stroke-width:1.5}
.d-lab{fill:var(--muted);font:13px "Public Sans",sans-serif}
.foot{border-top:2px solid var(--ink);padding:24px 0 40px;font-size:14px;color:var(--muted)}
.foot nav{display:flex;flex-wrap:wrap;gap:6px 18px;margin:12px 0}
.safety{color:var(--ink)}
@media (max-width:760px){
  .hero{grid-template-columns:1fr;gap:0}
  .plate{margin-top:24px}
  .picklist li+li{padding-left:0;border-left:0}
  body{font-size:16px}
  .answer{font-size:19px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}