.public-course-page{max-width:1080px;padding-top:38px;padding-bottom:64px}.public-course-hero{padding:34px 0 32px}.public-course-hero h1{font-size:clamp(2rem,4vw,3.15rem);line-height:1.14;max-width:740px;margin:15px 0}.public-course-hero>p{color:#b7c5db;max-width:680px;font-size:1.06rem;line-height:1.7}.public-course-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin:25px 0 30px}.public-course-actions .btn,.public-course-footer .btn{display:inline-flex;align-items:center;gap:9px}.public-course-secondary-link{color:#a9c5f5;text-decoration:none;font-weight:600}.public-course-secondary-link:hover{text-decoration:underline}.public-course-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px;max-width:720px}.public-course-stats>div{display:flex;align-items:center;gap:10px;background:#172136;border:1px solid #2c3b55;border-radius:13px;padding:17px;color:#a9b9d1}.public-course-stats strong{font-size:1.45rem;color:#f3f7ff}.public-course-browser{margin-top:24px}.public-course-toolbar{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:20px}.public-course-toolbar h2{font-size:1.5rem;margin:0 0 5px}.public-course-toolbar p{margin:0;color:#9faec8}.public-course-search{display:flex;align-items:center;gap:9px;background:#151e30;border:1px solid #36445e;border-radius:11px;padding:0 12px;min-width:260px;color:#9fb3d0}.public-course-search:focus-within{outline:2px solid #8abaff;outline-offset:2px}.public-course-search input{border:0;background:transparent;color:#fff;outline:0;min-width:0;width:100%;height:44px;font:inherit}.public-course-search button{background:none;border:0;color:#c4d1e4;cursor:pointer;display:grid;place-items:center}.public-course-chapters{display:grid;grid-gap:10px;gap:10px}.public-course-chapter{border:1px solid #2c3b55;border-radius:14px;background:#151e30;overflow:hidden}.public-course-chapter h3{margin:0;font-size:1rem}.public-course-chapter-toggle{display:flex;align-items:center;gap:16px;width:100%;padding:17px 20px;border:0;background:transparent;color:#f4f7ff;text-align:left;cursor:pointer;font:inherit}.public-course-chapter-toggle:hover{background:#1d2a40}.public-course-activity:focus-visible,.public-course-chapter-toggle:focus-visible{outline:2px solid #8abaff;outline-offset:-3px}.public-course-number{display:grid;place-items:center;flex:0 0 45px;height:45px;border-radius:11px;background:#233551;color:#a9c8ff;font-weight:800}.public-course-chapter-heading{display:grid;grid-gap:5px;gap:5px;flex:1 1;min-width:0}.public-course-chapter-heading strong{font-size:1.05rem}.public-course-chapter-heading small{color:#a5b5ce;font-size:.83rem}.public-course-chevron{transition:transform .2s;color:#a9b9d1}.public-course-chevron.is-open{transform:rotate(180deg)}.public-course-activities{border-top:1px solid #2c3b55;padding:8px 14px 12px}.public-course-activities[hidden]{display:none}.public-course-activity{display:flex;align-items:center;gap:12px;padding:12px;border-radius:9px;color:#dce8fb;text-decoration:none}.public-course-activity:hover{background:#23324a}.public-course-activity>svg{flex-shrink:0;color:#9dbff7}.public-course-activity>span{flex:1 1}.public-course-activity small{color:#9eafc9}.public-course-empty{padding:22px;color:#bdcce1}.public-course-footer{margin-top:42px;padding:30px;border:1px solid #30435e;border-radius:16px;background:#172338}.public-course-footer h2{margin:0 0 10px}.public-course-footer p{color:#b7c5db}.public-course-footer .btn{margin-top:12px}@media (max-width:700px){.public-course-page{padding-top:15px}.public-course-hero{padding-top:18px}.public-course-stats{gap:7px}.public-course-stats>div{padding:11px 8px;flex-wrap:wrap;gap:6px}.public-course-stats strong{font-size:1.15rem}.public-course-stats span{width:100%;font-size:.78rem}.public-course-toolbar{align-items:stretch;flex-direction:column}.public-course-search{min-width:0}.public-course-chapter-toggle{padding:14px;gap:11px}.public-course-number{flex-basis:38px;height:38px}.public-course-activity{align-items:flex-start}.public-course-activity small{font-size:.75rem}.public-course-footer{padding:22px}}