.workflow-canvas{margin-top:45px;border:1px solid var(--line);background:var(--surface);color:var(--ink)}
.process-diagram-section .workflow-canvas{margin-top:0}
.canvas-header{display:flex;justify-content:space-between;gap:35px;padding:30px 32px 20px}
.canvas-header h3{font-size:clamp(25px,2.7vw,38px);line-height:1.15;margin:16px 0 0;max-width:650px}
.canvas-disclaimer{max-width:290px;font:11px/1.8 var(--font-mono);color:var(--muted)}
.canvas-hint{padding:0 32px 24px;font-size:13px;color:var(--muted)}
.canvas-stage{position:relative;height:430px;background-color:var(--paper);background-image:radial-gradient(var(--line) 1px,transparent 1px);background-size:18px 18px;border-block:1px solid var(--line)}
.canvas-wires{position:absolute;inset:0;width:100%;height:100%;overflow:visible;pointer-events:none}
.canvas-wires path{fill:none;stroke:var(--accent);stroke-width:2;vector-effect:non-scaling-stroke}
.canvas-nodes{list-style:none;margin:0;padding:0}
.canvas-node{position:absolute;top:50%;transform:translateY(-50%);width:15%}
.canvas-node--cad{left:2%;width:16.5%}.canvas-node--search{left:23.5%}.canvas-node--review{left:43.5%}.canvas-node--bom{left:63.5%}.canvas-node--erp{left:86.5%;width:12.5%;top:20.23%}.canvas-node--estimate{left:86.5%;width:12.5%;top:79.77%}
.canvas-node button{position:relative;display:flex;flex-direction:column;gap:15px;min-height:152px;width:100%;text-align:left;padding:16px;background:var(--paper);color:var(--ink);border:1px solid var(--muted);border-radius:8px;font:inherit;cursor:pointer;box-shadow:0 3px 0 var(--line)}
.canvas-node button:disabled{opacity:1;cursor:default}
.canvas-node button::before,.canvas-node button::after{content:'';position:absolute;top:calc(50% - 4px);width:8px;height:8px;border:1px solid var(--accent);background:var(--paper);border-radius:50%}
.canvas-node button::before{left:-5px}.canvas-node button::after{right:-5px}
.canvas-node--cad button::before,.canvas-node--erp button::after,.canvas-node--estimate button::after{display:none}
.canvas-node button:hover:not(:disabled){border-color:var(--accent);background:var(--surface)}
.canvas-node button[aria-pressed=true]{outline:2px solid var(--accent);outline-offset:4px}
.canvas-node button:focus-visible{outline:3px solid var(--focus-ring,var(--accent));outline-offset:5px}
.canvas-node--cad button{background:var(--navy);color:var(--paper);border-color:var(--navy)}
.canvas-node--cad button:hover:not(:disabled){background:var(--accent)}
.canvas-node-top{display:flex;justify-content:space-between;align-items:center;gap:8px}
.canvas-icon{display:flex;align-items:center;justify-content:center;height:32px;min-width:38px;padding:0 5px;border:1px solid var(--line);border-radius:5px;font:10px var(--font-mono);letter-spacing:.03em}
.canvas-index{font:10px var(--font-mono);color:var(--muted)}
.canvas-node-title{display:block;font-size:17px;line-height:1.2;font-weight:550;letter-spacing:-.035em;overflow-wrap:break-word}
.canvas-node-system{display:block;font:9px/1.6 var(--font-mono);color:var(--muted)}
.canvas-node--cad .canvas-index,.canvas-node--cad .canvas-node-system{color:var(--paper)}
.canvas-node--review button{border-style:dashed}
.canvas-panel{display:grid;grid-template-columns:1fr 1.5fr;gap:40px;padding:30px 32px;border-bottom:1px solid var(--line)}
.canvas-panel[hidden]{display:none}
.canvas-panel h4{font-size:25px;font-weight:500;line-height:1.2;letter-spacing:-.035em;margin:16px 0 0;max-width:430px}
.canvas-panel>div>p:not(.eyebrow){font-size:14px;line-height:1.8;max-width:720px}
.canvas-panel>div>p.canvas-source{font:10px/1.8 var(--font-mono);color:var(--muted);margin-top:15px}
.canvas-footnote{padding:20px 32px;font:10px/1.8 var(--font-mono);color:var(--muted);max-width:1050px}
@media(max-width:1100px){
.canvas-stage{height:auto;padding:28px}
.canvas-wires{display:none}
.canvas-nodes{display:grid;gap:24px;max-width:650px;margin:auto;padding-left:18px;border-left:1px solid var(--accent)}
.canvas-node{position:relative;top:auto;left:auto;transform:none;width:100%}
.canvas-node button{min-height:0;padding:17px 20px;display:grid;grid-template-columns:80px 1fr;gap:10px 20px;align-items:center}
.canvas-node-top{grid-row:span 2}
.canvas-node-title{font-size:21px}
.canvas-node button::after{display:none}
.canvas-node button::before,.canvas-node--cad button::before{display:block;left:-20px;width:19px;height:0;border:0;border-top:1px solid var(--accent);border-radius:0;background:transparent}
.canvas-node--erp,.canvas-node--estimate{width:calc(100% - 25px);margin-left:25px}
.canvas-node--erp button::before,.canvas-node--estimate button::before{left:-45px;width:44px}
}
@media(max-width:760px){
.canvas-header{flex-direction:column;padding:24px 20px 18px;gap:18px}
.canvas-header h3{font-size:27px}.canvas-disclaimer{max-width:none;font-size:10px}
.canvas-hint{padding:0 20px 22px;font-size:12px}
.canvas-stage{padding:26px 14px}
.canvas-node button{display:flex;align-items:stretch;padding:14px;gap:12px}
.canvas-node-top{justify-content:space-between}.canvas-icon{min-width:40px}
.canvas-node-title{font-size:20px}
.canvas-panel{grid-template-columns:1fr;padding:25px 20px;gap:22px}
.canvas-panel h4{font-size:24px}
.canvas-panel>div>p:not(.eyebrow){font-size:13px}
.canvas-footnote{padding:20px;font-size:10px}
}