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@media(max-width:950px){.helmet-opening{grid-template-columns:1fr;gap:25px}.helmet-opening>div{max-width:720px}.hero-helmet{max-width:850px}.helmet-opening h1{font-size:48px}.topbar nav{gap:12px}.cards{gap:20px}.cards svg{height:220px}.layer-studies{gap:22px}.layer-studies h3{font-size:21px}}
@media(max-width:700px){.helmet-study .two-column{grid-template-columns:1fr}.topbar{align-items:flex-start;flex-direction:column}.cards{grid-template-columns:1fr}.cards>div{border-bottom:1px solid var(--line);padding-bottom:18px}.cards svg{height:280px}.cards h3{font-size:16px}.cards p{font-size:13px}.layer-studies{grid-template-columns:1fr}.section-divider{align-items:start;flex-direction:column}.layer-control{width:100%}.section-head h2{font-size:28px}.section-head>a{max-width:110px;font-size:12px}.controls{display:grid;grid-template-columns:1fr 1fr}.controls label:first-child{grid-column:1/-1}.controls select{width:100%}.download-grid{grid-template-columns:1fr}.helmet-opening h1{font-size:43px;letter-spacing:-1px}.helmet-opening .lede{font-size:21px}.finding{padding-left:18px}.refinement-evidence{padding:20px 15px}#chart{min-width:620px}.history-frame{overflow-x:auto}.study-nav{gap:13px 22px}.architecture-plate figcaption{font-size:11px}.topbar nav{margin-top:0}.helmet-opening{gap:16px}.hero-helmet{margin:0 -10px}}
@media(prefers-reduced-motion:reduce){a img{transition:none}}
.opening-role{font:14px/1.75 var(--sans);color:var(--muted);margin-top:20px}.helmet-opening h1{font-size:clamp(35px,3.7vw,49px);letter-spacing:-1px}.hero-helmet img{border:1px solid var(--line)}.pair-result{margin:30px 0;padding:26px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.pair-result>p{font-size:16px;color:var(--muted)}.pair-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:23px 0}.pair-metrics dt{font:13px/1.5 var(--sans);color:var(--muted)}.pair-metrics dd{font:36px/1.4 var(--serif);color:var(--accent);margin:6px 0 0}.mesh-finding{margin:24px 0}.mesh-finding img{width:100%;height:auto;display:block;border:1px solid var(--line)}.mesh-finding figcaption,.concept-gallery figcaption{font:12px/1.7 var(--sans);color:var(--muted);margin-top:12px}.mesh-summary{display:none}.screen-heading{font-size:26px;margin:32px 0 14px}.concept-gallery{display:grid;grid-template-columns:1fr 1fr;gap:28px}.concept-gallery img{width:100%;height:auto;display:block}.concept-gallery .architecture-plate{padding:0}.direction-note{margin-top:12px}.concept-cutaway img{border:1px solid var(--line)}
@media(max-width:700px){.pair-metrics{gap:15px}.pair-metrics dd{font-size:29px}.pair-metrics dt{font-size:12px}.concept-gallery{grid-template-columns:1fr}.helmet-opening h1{font-size:39px}.hero-helmet{margin:0}.mesh-summary{display:grid;gap:14px;margin:20px 0}.mesh-summary article{border-left:2px solid var(--teal);padding-left:16px}.mesh-summary h3{font:600 12px/1.5 var(--sans);color:var(--muted)}.mesh-summary p{font-size:16px;margin-top:4px}.mesh-summary strong{font-size:24px;font-weight:400}.mesh-finding{display:none}.opening-role{font-size:13px}}
@media print{.controls,.study-nav,.topbar nav,.download-grid{display:none}.section{break-inside:avoid}.helmet-opening{display:block}.hero-helmet{max-width:750px}.table-wrap,.tablewrap,.history-frame{overflow:visible}#chart{min-width:0}.cards{grid-template-columns:repeat(3,1fr)}}

@media(max-width:700px){.section-head{align-items:flex-start;flex-direction:column;gap:12px}.section-head>a{max-width:none;flex-shrink:0}}