:root{color-scheme:light;--base:#fff;--line:#d7e5ed;--control-line:#698496;--text:#142c3d;--muted:#455d6c;--accent:#0369a1;--accent-hover:#075985;--lime:#bae6fd;--font:Calibri,"Segoe UI",Arial,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--base);color:var(--text);font-family:var(--font);line-height:1.55}a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:5px}.wrap{width:min(1250px,calc(100% - 100px));margin:auto}.top{border-bottom:1px solid var(--line);background:var(--base)}.bar{display:flex;align-items:center;justify-content:space-between;min-height:76px;gap:22px}.brand{display:inline-flex;gap:11px;align-items:center;font-weight:800;letter-spacing:.14em;line-height:1.05}.brand small{display:block;font:11px var(--font);letter-spacing:.1em;color:var(--muted);margin-top:5px}.mark{display:grid;place-items:center;width:36px;height:36px;background:var(--lime);color:#0c4a6e;font-size:24px}.bar nav{display:flex;gap:34px;color:var(--muted);font-size:14px}.bar a:hover,.quiet:hover{color:var(--accent)}.top-cta{font:12px var(--font);border:1px solid var(--control-line);padding:11px 15px}.top-cta span{color:var(--accent);margin-left:8px}.hero{background:var(--base)}.hero-inner{display:grid;grid-template-columns:1fr 1.04fr;align-items:center;gap:28px;min-height:575px;padding:60px 0}.eyebrow{display:flex;align-items:center;gap:10px;color:var(--accent);font:11px var(--font);letter-spacing:.13em;font-weight:700}.eyebrow b{width:7px;height:7px;background:var(--accent);display:inline-block}.eyebrow span{color:var(--muted)}h1,h2,h3,p,figure{margin:0}h1{font-size:clamp(46px,5.65vw,87px);line-height:.99;letter-spacing:-.075em;margin-top:23px;font-weight:750}h1 em{font-style:normal;color:var(--accent)}.intro p{font-size:18px;max-width:420px;color:var(--muted);margin:25px 0 30px}.actions{display:flex;gap:22px;align-items:center;flex-wrap:wrap}.button{display:inline-flex;gap:19px;background:var(--accent);color:var(--base);padding:12px 16px;font-size:14px;font-weight:750}.button:hover{background:var(--accent-hover)}.quiet{font-size:14px;color:var(--muted)}.quiet span{margin-left:5px}.hero-figure{margin:0;border:1px solid var(--line);background:var(--base);position:relative}.hero-figure img,.study-art img{display:block;width:100%;height:auto}.figure-top,figcaption{display:flex;justify-content:space-between;gap:12px;font:11px var(--font);letter-spacing:.08em;padding:13px 14px;color:var(--muted)}.figure-top{border-bottom:1px solid var(--line)}figcaption{border-top:1px solid var(--line)}figcaption span:first-child{color:var(--accent)}.spec-strip{border-block:1px solid var(--line);background:var(--base)}.spec-strip .wrap{display:grid;grid-template-columns:repeat(4,1fr)}.spec-strip span{font:11px var(--font);letter-spacing:.075em;padding:17px 12px;text-align:center;color:var(--muted);border-inline-start:1px solid var(--line)}.spec-strip span:last-child{border-inline-end:1px solid var(--line)}.section{padding-block:75px;scroll-margin-top:18px}h2{font-size:clamp(34px,4.3vw,61px);line-height:1.04;letter-spacing:-.06em;margin-top:15px}h3{font-size:22px;line-height:1.22;letter-spacing:-.025em}.section-intro{color:var(--muted);margin-top:15px;max-width:640px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:32px}.cards article{padding:20px 18px 24px;border:1px solid var(--line);background:var(--base)}.card-top{display:flex;align-items:center;justify-content:space-between;gap:4px;margin-bottom:22px}.card-top span{color:var(--accent);font-size:27px;line-height:1}.card-top small,dt,footer .bar>span{font:11px var(--font);letter-spacing:.08em;color:var(--muted)}.cards p,.workflow li p,.process-detail p{color:var(--muted);margin-top:9px;font-size:15px}.band{background:var(--base);border-block:1px solid var(--line)}.workflow,.study{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:55px}.workflow ol{margin:0;padding:0;list-style:none;border-top:1px solid var(--line)}.workflow li{display:flex;gap:19px;border-bottom:1px solid var(--line);padding:17px 0}.workflow li>span{color:var(--accent);font:12px var(--font);padding-top:5px}.study-art{border:1px solid var(--line);background:var(--base)}.study dl{margin:24px 0 0}.study dl div{padding:10px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:105px 1fr;gap:10px}.study dt{color:var(--accent);padding-top:5px}.study dd{margin:0;color:var(--muted);font-size:15px}.choices{display:flex;flex-wrap:wrap;gap:8px;margin:24px 0 12px}.choices button{font:inherit;cursor:pointer;background:var(--base);border:1px solid var(--control-line);color:var(--text);padding:9px 15px}.choices button:hover{border-color:var(--accent)}.choices button[aria-pressed=true]{background:var(--accent);color:var(--base);border-color:var(--accent);font-weight:700}.process-detail{border:1px solid var(--line);padding:22px;background:var(--base)}.process-detail strong{color:var(--text)}footer .bar{min-height:100px}footer a:last-child{font-size:13px}@media(max-width:1050px){.wrap{width:calc(100% - 56px)}.cards{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.wrap{width:calc(100% - 34px)}.hero-inner,.workflow,.study{grid-template-columns:1fr;gap:28px}.hero-inner{padding:44px 0;min-height:auto}.bar{flex-wrap:wrap;gap:12px;padding:12px 0}.bar nav{order:3;flex-basis:100%;gap:18px}.section{padding-block:50px}.spec-strip .wrap{grid-template-columns:1fr 1fr}.spec-strip span{padding:12px 5px;font-size:10px}.spec-strip span:nth-child(-n+2){border-bottom:1px solid var(--line)}footer .bar>span{display:none}}@media(max-width:430px){.cards{grid-template-columns:1fr}.figure-top,figcaption{font-size:10px}.bar nav{font-size:13px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
.skip-link{position:absolute;left:16px;top:12px;z-index:10;padding:10px 16px;background:var(--accent);color:#fff;transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.choices button,.button,.top-cta{min-height:44px;align-items:center}.choices button{touch-action:manipulation}

.bar nav a,footer .bar>a:last-child {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
}
.drawing-toolbar {
  display: flex;
  justify-content: flex-end;
  border-top: 1px solid var(--line);
  padding: 0 14px;
}
.drawing-open,.drawing-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 44px;
  font: 14px var(--font);
  color: var(--accent);
  cursor: pointer;
}
.drawing-open:hover { text-decoration: underline; }
.drawing-dialog {
  width: min(1100px,calc(100vw - 24px));
  max-height: calc(100dvh - 24px);
  margin: auto;
  padding: 20px;
  border: 1px solid var(--control-line);
  background: var(--base);
  color: var(--text);
}
.drawing-dialog[open] {
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow: hidden;
}
.drawing-dialog::backdrop { background: rgb(14 42 62 / 55%); }
body:has(.drawing-dialog[open]) { overflow: hidden; }
.drawing-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.drawing-heading h2 {
  margin: 0;
  font-size: 28px;
  line-height: 1.1;
  letter-spacing: -.03em;
}
.drawing-heading form { margin: 0; }
.drawing-close {
  background: var(--base);
  border: 1px solid var(--control-line);
  padding: 0 12px;
  white-space: nowrap;
}
#drawing-help,.drawing-note { font-size: 14px; color: var(--muted); }
.drawing-canvas {
  min-height: 0;
  max-height: 60dvh;
  overflow: auto;
  border: 1px solid var(--line);
  overscroll-behavior: contain;
}
.drawing-canvas img { display: block; width: 960px; max-width: none; height: auto; }
.drawing-canvas:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.brief-section{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:start}
.brief-intro .section-intro{max-width:390px}
.brief-privacy{font-size:14px;color:var(--muted);max-width:370px;margin:25px 0 18px;padding-top:20px;border-top:1px solid var(--line)}
.brief-back{display:inline-flex;align-items:center;min-height:44px}
.brief-form{border:1px solid var(--line);padding:28px;min-width:0}
.brief-fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px;font-size:14px;font-weight:700;min-width:0}
.field.full{grid-column:1/-1}
.field input,.field select,.field textarea{font:16px var(--font);color:var(--text);background:#fff;border:1px solid var(--control-line);border-radius:0;padding:11px 12px;width:100%;min-height:46px}
.field textarea{resize:vertical;line-height:1.5;min-height:130px}
.field input::placeholder,.field textarea::placeholder{color:var(--muted);opacity:1}
input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.brief-checklist{margin:28px 0 24px;padding:16px 0 0;border:0;border-top:1px solid var(--line);min-width:0}
.brief-checklist legend{padding:0 12px 0 0;font-size:20px;font-weight:700;letter-spacing:-.02em}
.brief-checklist p{font-size:14px;color:var(--muted);margin-bottom:8px}
.brief-checklist label{display:flex;align-items:center;gap:12px;min-height:44px;font-size:15px;cursor:pointer}
.brief-checklist input{accent-color:var(--accent);width:18px;height:18px;flex-shrink:0;margin:0}
.brief-progress{display:flex;align-items:center;gap:16px;margin-top:16px;font-size:13px;color:var(--muted)}
.brief-progress progress{appearance:none;border:0;width:100%;flex:1;height:5px;background:var(--line)}
.brief-progress progress::-webkit-progress-bar{background:var(--line)}
.brief-progress progress::-webkit-progress-value{background:var(--accent)}
.brief-progress progress::-moz-progress-bar{background:var(--accent)}
.brief-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px}
.brief-actions .button{font-family:var(--font);border:1px solid var(--accent);cursor:pointer}
.brief-reset{font:14px var(--font);color:var(--muted);background:#fff;border:0;padding:10px;min-height:44px;cursor:pointer;text-decoration:underline;text-underline-offset:4px}
.brief-status{font-size:14px;color:var(--accent);margin-top:12px;min-height:22px}
.parts-heading{display:flex;justify-content:space-between;align-items:end;gap:32px;margin-bottom:30px}
.parts-heading .section-intro{max-width:340px}
.parts-heading h2{font-size:clamp(34px,4vw,56px)}
.parts-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;border:1px solid var(--line)}
.parts-viewer{min-width:0;background:#fff}
.viewer-top{display:flex;justify-content:space-between;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line);font-size:11px;letter-spacing:.08em;color:var(--accent)}
.canvas-wrap{position:relative;overflow:hidden}
#parts-canvas{display:block;width:100%;height:460px;cursor:grab;touch-action:pan-y}
#parts-canvas:active{cursor:grabbing}
#parts-canvas:focus-visible{outline:3px solid var(--accent);outline-offset:-4px}
.canvas-tag{position:absolute;left:20px;bottom:18px;font-size:11px;letter-spacing:.14em;color:var(--muted);pointer-events:none}
.viewer-controls{padding:14px 18px 0;display:flex;align-items:center;gap:8px;flex-wrap:wrap;border-top:1px solid var(--line)}
.view-presets{display:flex;gap:4px;margin-right:auto}
.viewer-controls button{font:14px var(--font);min-height:44px;padding:9px 12px;color:var(--accent);border:1px solid var(--control-line);background:#fff;cursor:pointer}
.viewer-controls button[aria-pressed=true]{background:#e0f2fe;border-color:var(--accent);color:#075985}
#parts-help{margin:10px 18px 16px;font-size:13px;color:var(--muted)}
.parts-panel{padding:20px;border-left:1px solid var(--line)}
.part-options{display:flex;flex-direction:column;gap:10px}
.part-options button{border:1px solid var(--line);border-left:3px solid var(--line);text-align:left;background:#fff;color:var(--text);padding:16px 14px;cursor:pointer;font-family:var(--font)}
.part-options button:hover{border-color:#38bdf8}
.part-options button[aria-pressed=true]{border-color:#38bdf8;border-left-color:var(--accent);box-shadow:inset 3px 0 0 #38bdf8}
.part-options small{font-size:10px;letter-spacing:.08em;color:var(--accent)}
.part-options strong{display:block;font-size:20px;line-height:1.2;margin:8px 0 6px}
.part-options span{display:block;font-size:13px;color:var(--muted)}
.assembly-control{margin-top:25px;padding-top:20px;border-top:1px solid var(--line)}
.assembly-control label{display:flex;justify-content:space-between;gap:8px;font-size:14px;font-weight:700}
.assembly-control output{font-weight:400;color:var(--accent)}
.assembly-control input{width:100%;min-height:44px;accent-color:var(--accent);margin:0;cursor:pointer}
.assembly-control input:disabled{cursor:not-allowed;opacity:.5}
.assembly-control p,.parts-note,.parts-caption{font-size:13px;color:var(--muted)}
.parts-note{margin-top:18px}.parts-caption{margin-top:15px;padding-top:15px;border-top:1px solid var(--line);font-size:11px;letter-spacing:.025em}
@media(max-width:1050px){.parts-layout{grid-template-columns:minmax(0,1fr) 250px}.parts-panel{padding:15px}.parts-heading{display:block}.parts-heading .section-intro{max-width:600px}.viewer-controls{gap:6px}.viewer-controls button{padding:8px}}
@media(max-width:760px){.parts-layout{grid-template-columns:1fr}.parts-panel{border-left:0;border-top:1px solid var(--line);padding:18px}.part-options{display:grid;grid-template-columns:1fr}.part-options button{padding:12px 14px}.part-options strong{font-size:19px;margin:4px 0}.part-options span{font-size:13px}#parts-canvas{height:340px}.viewer-top{font-size:10px;padding:12px}.viewer-controls{padding:12px 12px 0}.view-presets{flex-basis:100%;margin-bottom:2px}.view-presets button{flex:1}#parts-help{margin-inline:12px}.parts-heading{margin-bottom:20px}.assembly-control{margin-top:18px}}
@media(max-width:1050px){.brief-section{gap:32px}.bar nav{gap:20px}}
@media(max-width:760px){.brief-section{grid-template-columns:1fr;gap:24px}.brief-form{padding:20px}.brief-fields{grid-template-columns:1fr}.bar nav{flex-wrap:wrap;gap:0 18px}.brief-intro .section-intro,.brief-privacy{max-width:none}}