.course-shell{padding:45px 0}.course-shell h2{font-size:clamp(36px,4vw,58px);margin:18px 0 22px;line-height:1.08}.course-shell h4{font:14px/1.4 Arial,sans-serif;color:var(--gold);margin:24px 0 8px}.course-shell p,.course-shell li{font-size:14px;line-height:1.8}.course-shell details{margin:20px 0}.course-shell summary{font-size:14px;line-height:1.6}.course-shell .course-controls{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:30px 0}.course-controls label{font-size:12px;color:var(--muted)}.course-controls select,.course-controls input{display:block;width:100%;background:#1b1e19;border:1px solid #ffffff35;color:var(--fg);padding:12px;font:13px/1.5 Arial,sans-serif;margin-top:8px}.course-note{padding:24px;background:#1b1e19;border-left:2px solid var(--gold);margin:25px 0}.course-note b{color:var(--gold);font-size:14px;font-weight:400}.course-week{border:1px solid var(--line);padding:22px 28px}.course-week summary{font-size:20px}.course-week p{max-width:950px}.course-week[open]{background:#171a15}.course-complete{display:flex;align-items:flex-start;gap:12px;font-size:12px;color:var(--muted);margin-top:25px}.course-complete input{accent-color:var(--gold);width:18px;height:18px;flex-shrink:0}.course-progress{color:var(--gold);border-bottom:1px solid var(--line);padding:15px 0}.course-shell .btn{font-size:12px}.course-shell .fine{font-size:11px}.courses-hero{padding:85px 0 45px}.courses-hero h1{font-size:clamp(58px,7vw,95px)}.course-intro{display:grid;grid-template-columns:1fr 1fr;gap:50px;padding:40px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.course-intro h3{font-size:42px;margin:10px 0 20px}.course-intro p{font-size:14px}.course-intro ol{font-size:13px;color:var(--muted);padding-left:20px}.course-intro li{margin:10px 0}#personal-course{border-top:1px solid var(--line);margin-top:55px}#personal-course[hidden]{display:none}@media(max-width:760px){.course-shell .course-controls{grid-template-columns:1fr}.course-week{padding:20px}.course-week summary{font-size:17px}.course-intro{grid-template-columns:1fr;gap:25px}.courses-hero{padding:60px 0 30px}.course-shell{padding:30px 0}}