.evidence-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.evidence-card{display:flex;flex-direction:column;align-items:flex-start;border:1px solid var(--line);border-radius:8px;padding:32px;transition:background .2s}.evidence-card:hover{background:var(--wash)}.evidence-card h3{font-size:25px;line-height:1.3;letter-spacing:-.7px;margin:20px 0 18px}.evidence-card p{color:var(--muted);font-size:15px;margin-bottom:30px}.evidence-card .text-link{margin-top:auto;font-size:13px}.evidence-section{padding-bottom:64px}.evidence-section h2{font-size:32px;margin-bottom:28px}.engineering-flow{margin:0 0 54px;background:var(--wash);border:1px solid var(--line);border-radius:8px;padding:32px}.engineering-flow figcaption{font-size:12px;color:var(--muted);margin-bottom:24px}.engineering-flow ol{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px;list-style:none;padding:0;margin:0;counter-reset:step}.engineering-flow li{position:relative;padding:24px 16px;border:1px solid var(--line);background:var(--paper,#faf9f7);border-radius:4px;counter-increment:step;font-size:16px}.engineering-flow li:before{content:'0' counter(step);display:block;font-size:11px;color:var(--muted);margin-bottom:14px}.engineering-flow li:not(:last-child):after{content:'→';position:absolute;right:-24px;top:50%}.source-links{display:flex;gap:24px;flex-wrap:wrap;padding:30px 0}.byline{font-size:13px;color:var(--muted);max-width:750px}.evidence-card:focus-visible{outline:2px solid #171717;outline-offset:5px}@media(max-width:900px){.evidence-grid{grid-template-columns:1fr 1fr}.engineering-flow ol{grid-template-columns:1fr 1fr}.engineering-flow li:after{display:none}}@media(max-width:600px){.evidence-grid{grid-template-columns:1fr}.evidence-card{padding:24px}.engineering-flow{padding:20px}.engineering-flow ol{grid-template-columns:1fr;gap:16px}.engineering-flow li{padding:16px}.source-links{flex-direction:column}.evidence-card h3{font-size:23px}}

#engineering-evidence .section-heading{flex-wrap:wrap}.project-controls{display:flex;align-items:center;gap:16px;margin-left:auto}.project-controls button{width:46px;height:46px;border:1px solid var(--line);border-radius:50%;background:transparent;color:inherit;font-size:22px;cursor:pointer}.project-controls button:hover:not(:disabled){background:var(--wash)}.project-controls button:disabled{opacity:.3;cursor:default}.project-controls button:focus-visible{outline:2px solid currentColor;outline-offset:3px}.project-controls span{font-size:13px;color:var(--muted);min-width:64px;text-align:center}.evidence-grid.project-carousel{display:grid;grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:calc((100% - 48px)/3);overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;overscroll-behavior-x:contain;padding:4px 0}.project-carousel::-webkit-scrollbar{display:none}.project-carousel .evidence-card{scroll-snap-align:start;min-width:0}.project-carousel .evidence-card:focus-visible{outline-offset:-3px}@media(max-width:900px){.evidence-grid.project-carousel{grid-auto-columns:calc((100% - 24px)/2)}}@media(max-width:600px){.evidence-grid.project-carousel{grid-auto-columns:100%}.project-controls{margin-left:0;margin-top:12px}}