.resource-hero{display:grid;grid-template-columns:minmax(0,3fr) minmax(240px,1fr);gap:40px;padding:40px 0}.resource-hero h1{font-family:Georgia,serif;font-size:clamp(2.6rem,5.8vw,5.6rem);line-height:1.06}.century{border-top:2px solid #adcbe2;align-self:end;padding:24px 0}.century strong{font:400 clamp(2.5rem,4vw,4rem) Georgia,serif;display:block}.resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.mission{border-bottom:1px solid var(--line);padding-bottom:20px}.mission h3{font-size:1.45rem}.mission figure{margin:0}.mission img{width:100%;height:230px;object-fit:cover;background:#172333}.mission figcaption{font-size:.875rem;color:var(--muted);line-height:1.5;margin:9px 0}.technical{margin:32px 0;border:1px solid var(--line);background:#0b121c;padding:20px;overflow:auto}.technical svg{display:block;width:100%;min-width:620px;height:auto}.technical figcaption{font-size:1rem;margin-bottom:20px;color:#c8dded}.calc-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}label{display:grid;gap:6px;font-size:1rem}input{width:100%;background:#080b10;color:white;border:1px solid #6e8094;padding:10px;font:inherit;min-height:44px}input:focus-visible{outline:2px solid #b7d3ed;outline-offset:3px}.calc-results{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:28px;border-top:1px solid #708399;padding-top:22px}.calc-results strong{display:block;font-size:1.7rem;color:#b7d3ed}.calcbars{display:grid;gap:12px;margin-top:20px}.bar{height:12px;background:#6894b2;min-width:1px}.bar.second{background:#a9b8c6}.agent-protocol{color:#adb8c3;border-left:2px solid #6e7f92;padding-left:22px}.exercise{padding:20px 0;border-bottom:1px solid var(--line)}blockquote{margin:25px 0;border-left:3px solid #b7d3ed;padding:12px 24px;font:1.5rem/1.5 Georgia,serif}.evidence{font-size:.875rem;letter-spacing:.04em;color:#a9c9df}.resource-nav{display:flex;flex-wrap:wrap;gap:10px 20px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:20px 0;margin-bottom:36px}.resource-nav a{font-size:1rem}.resource-body{max-width:1040px}.resource-body>section{border-top:1px solid var(--line);padding-top:28px;margin-top:48px}.number{font:1rem ui-monospace,monospace;color:#8babc5;display:block;margin-bottom:10px}li{margin:10px 0}.source-list{overflow-wrap:anywhere}.course-steps{display:grid;gap:12px;counter-reset:step}.course-steps div{counter-increment:step;border-bottom:1px solid #293a4d;padding:12px}.course-steps div:before{content:counter(step) ' / ';color:#9fc4e0}.resource-entry{border-top:2px solid #adcbe2;padding:28px 0}.resource-entry h2{font-family:Georgia,serif}@media(max-width:700px){.resource-hero,.resource-grid,.calc-grid,.calc-results{grid-template-columns:1fr}.resource-hero{gap:8px;padding-top:22px}.century{padding:16px 0}.mission img{height:220px}.technical{padding:12px}blockquote{font-size:1.25rem}}@media print{.technical{background:#fff}.technical svg text{fill:#111}.resource-nav{display:none}.resource-grid{display:block}.mission img{max-height:240px;object-fit:contain}.resource-hero{display:block}.exercise details>*{display:block}}