.ex-hero{max-width:1440px;margin-inline:auto}
.ex-hero h1{max-width:1100px}
.ex-hero>p:not(.eyebrow){max-width:78ch}
.ex-catalog,.ex-start,.ex-diagram-section,.ex-activity,.ex-discussion,.ex-facilitation,.ex-sources,.ex-routes,.ex-use,.ex-entry{max-width:1440px;margin-inline:auto}
.ex-catalog{display:grid;gap:44px}
.ex-card{display:grid;grid-template-columns:minmax(220px,.65fr) minmax(0,1.35fr);gap:clamp(28px,4vw,64px);align-items:center;border-top:1px solid var(--line);padding-top:36px}
.ex-card>div{min-width:0}
.ex-cover{max-width:370px;display:block;justify-self:center;border:1px solid #988c7e;box-shadow:0 14px 30px #0004}
.ex-cover img{display:block;width:100%;height:auto}
.ex-card h2{font-size:clamp(31px,3.8vw,52px);line-height:1.15;margin:16px 0}
.ex-card-copy>p{max-width:65ch;line-height:1.8}
.ex-card .text-link{display:flex;margin-top:22px}
.ex-file-note{font-size:14px!important;line-height:1.8!important;color:#bdb1a2}
.ex-download-actions{display:flex;flex-wrap:wrap;gap:20px;align-items:center;margin-top:28px}
.ex-start,.ex-facilitation,.ex-use,.ex-entry{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:clamp(30px,4.5vw,72px);align-items:start;border-top:1px solid var(--line)}
.ex-start>div,.ex-facilitation>div,.ex-use>div,.ex-entry>div{min-width:0}
.ex-start p,.ex-facilitation p,.ex-use p{max-width:76ch;line-height:1.85}
.ex-entry h2{font-size:clamp(30px,3.5vw,48px);line-height:1.15}
.ex-entry p{max-width:66ch;line-height:1.8}
.ex-entry-actions{display:grid;gap:28px}
.ex-entry-actions p{font-size:13px;color:#bdb1a2;margin:14px 0}
.ex-entry .button{white-space:normal;line-height:1.5}
.ex-diagram{margin:32px 0;background:#fff;color:#253744;border:1px solid #a9b5bc}
.ex-diagram img{display:block;width:100%;max-width:950px;height:auto;margin-inline:auto;padding:clamp(12px,3vw,32px);box-sizing:border-box}
.ex-diagram figcaption{padding:20px 28px;line-height:1.75;font-size:14px;border-top:1px solid #a9b5bc;max-width:none}
.ex-diagram figcaption a{color:#245f68}
.ex-citations{white-space:nowrap;font-size:13px}
.ex-clue-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:28px}
.ex-clue-grid article{min-width:0;border-top:1px solid var(--copper);padding-top:24px}
.ex-clue-grid h3,.ex-source-grid h3{font-size:23px;line-height:1.35}
.ex-clue-grid p{line-height:1.85}
.ex-questions{margin-top:48px;max-width:950px}
.ex-questions>section{margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.ex-questions h3{font-size:23px;line-height:1.4}
.ex-questions p{max-width:75ch;line-height:1.85}
.ex-answer{padding:18px 0;border-bottom:1px solid var(--line);max-width:1050px}
.ex-answer summary{min-height:54px;cursor:pointer;font-size:20px;line-height:1.6;padding:12px 0;box-sizing:border-box}
.ex-answer p{max-width:82ch;line-height:1.85;padding-bottom:14px}
.ex-source-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,340px),1fr));gap:28px}
.ex-source-grid article{min-width:0;padding-top:24px;border-top:1px solid var(--line);scroll-margin-top:110px}
.ex-source-grid article:target{border-top-color:var(--copper);background:#b7885412}
.ex-source-grid p{line-height:1.8}
.ex-route-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr));gap:18px}
.ex-route-grid a{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:70px;padding:20px;border:1px solid var(--line);line-height:1.65}
.ex-activity,.ex-discussion{scroll-margin-top:100px}
.ex-entry .button,.ex-download-actions .button{min-height:46px;box-sizing:border-box}
.exploration-resource :is(a,summary):focus-visible,.ex-catalog a:focus-visible,.ex-entry a:focus-visible{outline:3px solid #92cad4;outline-offset:4px}
@media(max-width:900px){.ex-card{grid-template-columns:minmax(190px,.65fr) minmax(0,1.35fr);gap:26px}.ex-start,.ex-facilitation,.ex-use,.ex-entry{grid-template-columns:1fr;gap:28px}}
@media(max-width:700px){.ex-card{grid-template-columns:1fr}.ex-cover{max-width:285px;width:100%}.ex-clue-grid,.ex-source-grid,.ex-route-grid{grid-template-columns:1fr}.ex-diagram figcaption{padding:18px}.ex-answer summary{font-size:18px}.ex-card-copy>.button{width:100%;justify-content:space-between}}