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    .header{border-bottom:1px solid var(--line)}.header-inner{max-width:1250px;margin:auto;padding:23px 30px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{font-size:30px;letter-spacing:-1px;font-weight:700;text-decoration:none;white-space:nowrap}.brand span{color:var(--gold)}.brand small{font-size:21px;font-weight:400}.nav{display:flex;align-items:center;gap:28px;font-size:16px}.nav a{text-decoration:none}.v{font-size:.8em;margin-left:.25em}.nav details{position:relative}.nav summary{cursor:pointer;list-style:none;white-space:nowrap}.nav summary::-webkit-details-marker{display:none}.nav summary::after{content:'⌄';margin-left:.25em;font-size:.8em}.nav details[open]>summary{color:var(--gold)}.dropdown{position:absolute;top:42px;left:-20px;z-index:3;width:275px;padding:12px 20px;background:#183449;border:1px solid var(--line);border-radius:10px;box-shadow:0 18px 30px #0004}.dropdown a{display:block;padding:9px 0}.dropdown a[aria-current]{color:var(--gold)}.contact{border:1px solid #ffc65d88;border-radius:40px;padding:9px 18px;color:var(--gold)}
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    .chapter{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:45px;align-items:start;margin:24px 0 75px;scroll-margin-top:24px}.chapter figure{margin:0}.poster{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--line)}figcaption{font-size:13px;color:var(--muted);margin-top:10px}figcaption a{color:var(--gold)}.chapter-copy{padding-top:10px}h2{font-size:clamp(27px,3vw,36px);line-height:1.2;letter-spacing:-.7px;margin:0 0 20px}h3{font-size:20px;margin:0 0 8px}.chapter-copy>p{color:var(--muted)}.reading{border-top:1px solid var(--line)}.reading details{border-bottom:1px solid var(--line);padding:17px 0}.reading summary{cursor:pointer;font-weight:600;color:var(--text);padding-right:12px}.reading p{color:var(--muted);margin:12px 0 2px}.note{padding:20px 23px;border-left:3px solid var(--gold);background:#173246;margin-top:28px}.note p{margin:6px 0;color:var(--muted)}.note strong{color:var(--gold)}.exercise{background:#19394a;padding:35px;border-radius:14px;margin:0 0 65px;max-width:100%}.exercise .eyebrow{margin-bottom:12px}.exercise p{max-width:680px;margin:0;color:var(--muted)}.exercise details{margin-top:18px}.exercise summary{color:var(--gold);cursor:pointer}.exercise details p{margin-top:12px}.sources{border-top:1px solid var(--line);padding:24px 0 45px;font-size:14px;color:var(--muted)}.sources summary{cursor:pointer;color:var(--text)}.sources ul{padding-left:20px}.footer{border-top:1px solid var(--line);background:var(--deep);padding:30px;text-align:center;color:var(--muted);font-size:14px}.footer a{color:var(--gold)}
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    .chapter-copy h2:not(:first-child){margin-top:30px}.chapter-copy ul{color:var(--muted);padding-left:23px}.exercise p+p{margin-top:18px}
    .education-copy{grid-column:2}.education-copy>p:first-child{margin-top:0}.education-copy blockquote{margin:30px 0 0;padding-left:20px;border-left:3px solid var(--gold);color:var(--gold)}
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    .home-footer{background:#0b1420;color:#c4d2de;margin-top:0;font-family:Arial,sans-serif}
    .home-footer-copyright{padding:clamp(30px,6vw,60px) clamp(10px,2vw,20px)}
    .home-footer-copyright>div{border-radius:8px;background:#142537;padding:clamp(10px,2vw,20px)}
    .home-footer-copyright p{margin:0;text-align:center;font-size:16px;line-height:1.4;color:#64748b}
    .home-footer-logo{display:block;width:100px}.home-footer-logo img{display:block;width:100%;height:auto}
