/* Research-rich product pages: strong blue identity, readable evidence. */
.product-hero{background:#07349d;color:#fff;padding:65px 0 55px;overflow:hidden}
.product-hero>.wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:55px;align-items:center}
.product-hero h1{font-size:clamp(46px,5.7vw,88px);line-height:1.01;letter-spacing:-.065em;color:#fff;margin:24px 0}
.product-hero .eyebrow{color:#a5efff;margin-top:37px}
.product-back{font:12px/1.5 'Courier New',monospace;color:#c2dcff}
.product-hero .dek{color:#e0ecff;max-width:590px;font-size:17px;line-height:1.75}
.product-stage{font:12px/1.8 'Courier New',monospace;color:#bceaff;border-left:2px solid #a6efff;padding-left:13px;margin:26px 0}
.product-hero .button{border-color:#9bcaff;color:#e2f7ff;font-size:12px}
.product-hero .button:hover{background:#194baf}
.product-hero .button.primary{background:#b4f1ff;color:#07349d;border-color:#b4f1ff}
.product-hero figure{margin:0;align-self:stretch;display:flex;flex-direction:column;justify-content:center}
.product-hero figure img{width:100%;aspect-ratio:1.04;object-fit:cover;border:1px solid #6c9bd9}
.product-hero figcaption{font:12px/1.7 'Courier New',monospace;color:#b9d6ff;margin-top:12px}
.product-subnav{background:#164bfa;border-bottom:1px solid #366aff}
.product-subnav>.wrap{display:flex;gap:32px;flex-wrap:wrap;padding-block:17px}
.product-subnav a{color:#e4f4ff;font:600 12px/1.5 'Courier New',monospace;white-space:nowrap}
.product-subnav a:hover{text-decoration:underline;text-underline-offset:5px}
.product-subnav a:focus-visible{outline:2px solid #b9f5ff;outline-offset:6px}
[id]{scroll-margin-top:95px}
.system-diagram{margin:0 0 40px;background:#07349d;overflow-x:auto;padding:24px}
.system-diagram img{display:block;width:100%;height:auto;min-width:610px}
.system-diagram figcaption{font:12px/1.6 'Courier New',monospace;color:#c7e5ff;margin-top:14px}
.mechanism-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.mechanism-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}
.mechanism-grid article{border-top:2px solid #164bfa;padding-top:23px}
.mechanism-grid h3{font-size:27px;margin:15px 0}
.mechanism-grid p{font-size:15px;color:#4a6280;line-height:1.75}
.mechanism-grid small{display:block;font:12px/1.7 'Courier New',monospace;color:#164bfa}
.evidence-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));border-top:1px solid #a7bddb;border-left:1px solid #a7bddb}
.evidence-card{padding:35px;border-right:1px solid #a7bddb;border-bottom:1px solid #a7bddb;display:flex;flex-direction:column;min-width:0}
.evidence-card h3{font-size:30px;margin:19px 0}
.evidence-card p{color:#4a6280;font-size:15px;line-height:1.75;margin:0 0 22px}
.evidence-card>small{font-size:12px;color:#536986;margin:8px 0 12px}
.evidence-card .arrow-link{align-self:flex-start;margin-top:auto}
.research-translation{background:#edf3fc;padding:19px 22px;margin:auto 0 16px;border-left:2px solid #164bfa}
.research-translation strong{font:600 12px/1.5 'Courier New',monospace;color:#164bfa;text-transform:uppercase;letter-spacing:.05em}
.research-translation p{font-size:14px;margin:9px 0 0}
.research-gallery{background:#edf3fc;border-block:1px solid #bdcde5}
.research-image-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;align-items:start}
.research-figure{margin:0;min-width:0;background:#fff;border:1px solid #bacce3}
.figure-enlarge{display:block;background:#fff;position:relative;padding:22px}
.figure-enlarge img{width:100%;height:clamp(260px,28vw,430px);object-fit:contain;display:block}
.figure-enlarge span{display:block;text-align:right;font:12px/1.5 'Courier New',monospace;color:#164bfa;margin-top:12px}
.figure-enlarge:hover{outline:2px solid #164bfa;outline-offset:-2px}
.research-figure figcaption{border-top:1px solid #d1dfef;padding:25px}
.research-figure figcaption strong{font-size:22px;line-height:1.25;display:block;letter-spacing:-.025em}
.research-figure figcaption p{font-size:14px;line-height:1.7;color:#4a6280;margin:13px 0}
.research-figure small{display:block;color:#526985;font-size:12px;line-height:1.85}
.research-figure small a{color:#164bfa;text-decoration:underline;text-underline-offset:2px}
.product-workbench{background:#072f8b;color:#fff}
.product-workbench .section-head h2{color:#fff}
.product-workbench .section-head p,.product-workbench>.wrap>.micro{color:#d2e5ff}
.product-workbench>.wrap>.micro a{color:#aef0ff}
.product-workbench .section-head .eyebrow{color:#acefff}
.product-calculator{background:#fff;color:#092753;border-top:4px solid #8feeff;padding:35px;margin-bottom:40px}
.calculator-top h3{font-size:32px;margin:16px 0}
.calculator-top p{color:#4a6280;max-width:900px;font-size:15px;line-height:1.7}
.calculator-inputs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;margin:28px 0}
.calculator-inputs label{font-size:12px;font-weight:600;display:flex;flex-direction:column;line-height:1.55}
.calculator-inputs small{font-weight:400;color:#546c8a;display:block;margin:4px 0 9px}
.calculator-inputs input{width:100%;margin-top:auto;background:#f4f7fc;border:1px solid #8eaacd;color:#092753;padding:12px;font:600 20px/1.2 Arial,sans-serif;border-radius:0;min-width:0}
.calculator-inputs input:focus{outline:2px solid #164bfa;outline-offset:2px}
.calculator-results{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:23px;border-top:1px solid #b4cae4;border-bottom:1px solid #b4cae4;padding:26px 0;margin:25px 0}
.calculator-results strong{font:700 clamp(30px,3.6vw,48px)/1.15 Weatherhill Display,Arial,sans-serif;color:#164bfa;letter-spacing:-.045em;display:block;overflow-wrap:anywhere}
.calculator-results span{display:block;font:12px/1.65 'Courier New',monospace;color:#436386;margin-top:9px}
.calculator-note{font-size:12px;line-height:1.75;color:#496582}
.calculator-method{margin:20px 0 25px;font-size:13px;line-height:1.8}
.calculator-method summary{cursor:pointer;font-weight:700;color:#164bfa}
.calculator-method p{color:#496582}
.calc-export:disabled{opacity:.5;cursor:not-allowed}
.product-tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:#567bc4;border:1px solid #567bc4}
.product-tool{display:block;background:#07349d;padding:28px;color:#fff}
.product-tool:hover{background:#164bfa}
.product-tool .eyebrow{color:#aff2ff;font-size:12px}
.product-tool h3{font-size:25px;line-height:1.2;margin:20px 0 15px;color:#fff}
.product-tool p{font-size:13px;line-height:1.7;color:#d0e1ff;margin:0}
.experiment-list{border-top:1px solid #afc6e3;margin-bottom:32px}
.experiment-list article{display:grid;grid-template-columns:80px 1fr;gap:25px;padding:30px 0;border-bottom:1px solid #afc6e3}
.experiment-list article>span{font:700 40px/1 Weatherhill Display,Arial,sans-serif;color:#164bfa}
.experiment-list h3{font-size:27px;margin:0 0 13px}
.experiment-list p{color:#4a6280;font-size:15px;line-height:1.75;margin:0 0 13px;max-width:990px}
.experiment-list small{font-size:12px;color:#3b5c85;line-height:1.7}
.product-bibliography{padding-left:25px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:65px;row-gap:25px}
.product-bibliography li{padding:0 0 23px 7px;border-bottom:1px solid #bfd0e6;break-inside:avoid}
.product-bibliography span,.product-bibliography small{display:block;font-size:12px;color:#526c8c;line-height:1.7}
.product-bibliography a{display:block;font-size:17px;font-weight:600;line-height:1.5;color:#164bfa;margin:9px 0}
.product-bibliography small{overflow-wrap:anywhere}
.product-next{background:#164bfa;color:#fff}
.product-next .eyebrow{color:#bbf4ff}
.product-next h2{color:#fff}
.product-next .section-head p{color:#ddecff}
.product-next-links{display:flex;gap:30px;flex-wrap:wrap;border-top:1px solid #85acff;padding-top:25px}
.product-next-links a{font-size:28px;letter-spacing:-.035em;font-weight:700;color:#fff}
@media(max-width:1000px){.product-hero>.wrap{gap:30px}.product-hero h1{font-size:55px}.calculator-inputs{grid-template-columns:repeat(2,minmax(0,1fr))}.product-tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.mechanism-grid{gap:22px}.evidence-card{padding:27px}}
@media(max-width:700px){.product-hero{padding-block:36px}.product-hero>.wrap{grid-template-columns:1fr}.product-hero h1{font-size:clamp(38px,8.8vw,61px)}.product-hero .eyebrow{margin-top:25px}.product-hero figure img{aspect-ratio:1.7}.product-subnav>.wrap{gap:15px 23px}.product-subnav a{font-size:12px}.mechanism-grid,.mechanism-grid.four,.evidence-grid,.research-image-grid,.product-bibliography{grid-template-columns:1fr}.research-image-grid{gap:24px}.figure-enlarge img{height:auto;max-height:520px}.figure-enlarge{padding:18px}.product-calculator{padding:23px}.calculator-results{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 15px}.calculator-top h3{font-size:26px}.calculator-inputs{gap:20px 15px}.calculator-inputs label{font-size:12px}.calculator-inputs input{font-size:19px}.calculator-results strong{font-size:34px}.product-tool-grid{grid-template-columns:1fr}.product-tool h3{font-size:24px}.experiment-list article{grid-template-columns:42px 1fr;gap:18px}.experiment-list article>span{font-size:28px}.experiment-list h3{font-size:23px}.product-next-links{flex-direction:column}.system-diagram{padding:15px}.evidence-card h3{font-size:27px}.product-bibliography{row-gap:10px}}
@media print{.product-hero,.product-workbench,.product-next{background:#fff;color:#111}.product-hero h1,.product-hero .dek,.product-workbench .section-head h2,.product-workbench .section-head p{color:#111}.product-subnav,.calc-export,.product-next{display:none}.research-figure,.evidence-card,.product-calculator{break-inside:avoid}.product-tool{background:#fff;color:#111}.product-tool h3,.product-tool p{color:#111}}