.hn-lesson-index{padding-top:40px;padding-bottom:90px}.hn-lesson-index .hn-lesson-heading{max-width:760px;margin-bottom:8px}.hn-lesson-index .hn-lesson-heading h1{margin:14px 0;font-size:44px;line-height:1.12}.hn-lesson-index .hn-lesson-heading>p{max-width:620px;font-size:16px}.hn-subject-jump{z-index:5;background:var(--hn-paper);border-bottom:1px solid var(--hn-line);flex-wrap:wrap;gap:8px;margin:22px 0 6px;padding:14px 0;display:flex;position:sticky;top:0}.hn-subject-jump a{border:1px solid var(--hn-line);background:var(--hn-surface);color:var(--hn-ink);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:600;text-decoration:none}.hn-subject-jump a:hover{border-color:var(--hn-primary);color:var(--hn-primary);background:var(--hn-soft)}.hn-lesson-index section{margin-top:46px;scroll-margin-top:76px}.hn-lesson-index section>h2{letter-spacing:-.7px;align-items:baseline;gap:12px;margin:0 0 18px;font-size:26px;display:flex}.hn-lesson-index section>h2 small{color:var(--hn-muted);letter-spacing:0;font-size:13px;font-weight:600}.hn-lesson-list{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:0;padding:0;list-style:none;display:grid}.hn-lesson-list li{display:flex}.hn-lesson-list a{border:1px solid var(--hn-line);background:var(--hn-surface);width:100%;min-height:92px;color:var(--hn-ink);border-radius:10px;flex-direction:column;justify-content:space-between;gap:12px;padding:16px 18px;font-size:14.5px;font-weight:600;line-height:1.4;text-decoration:none;transition:border-color .15s,transform .15s;display:flex}.hn-lesson-list a:hover{border-color:var(--hn-primary);transform:translateY(-1px)}.hn-lesson-list .hn-tag{letter-spacing:.3px;color:var(--hn-primary);background:var(--hn-soft);border-radius:999px;align-self:flex-start;padding:3px 9px;font-size:11px;font-weight:600}@media (max-width:980px){.hn-lesson-list{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:620px){.hn-lesson-index .hn-lesson-heading h1{font-size:32px}.hn-lesson-list{grid-template-columns:1fr}.hn-subject-jump{flex-wrap:nowrap;overflow-x:auto}.hn-subject-jump a{white-space:nowrap}}.hn-lesson-doc .hn-lesson-heading h1{font-size:34px;line-height:1.15}.hn-lesson-doc section>h2{font-size:24px}.hn-lesson-doc section>p,.hn-lesson-doc .hn-lesson-heading>p{font-size:15px;line-height:1.75}.hn-lesson-doc .hn-definition p{color:var(--hn-ink);margin:8px 0 0;font-size:15px}.hn-lesson-doc details>summary{cursor:pointer;color:var(--hn-primary);padding:8px 0;font-size:14px;font-weight:600}.hn-lesson-doc details>p,.hn-lesson-doc details li{color:var(--hn-muted);font-size:14px;line-height:1.7}.hn-q{background:var(--hn-surface);border:1px solid var(--hn-line);border-radius:10px;margin:16px 0;padding:20px 22px}.hn-q-text{color:var(--hn-ink);align-items:flex-start;gap:14px;margin:0 0 14px;font-size:15px;line-height:1.7;display:flex}.hn-q-no{background:var(--hn-soft);width:28px;height:28px;color:var(--hn-primary);border-radius:8px;flex:none;place-items:center;font-size:13px;font-weight:700;display:grid}.hn-opts{counter-reset:opt;gap:8px;margin:0 0 12px;padding:0;list-style:none;display:grid}.hn-opts li{counter-increment:opt;border:1px solid var(--hn-line);color:var(--hn-ink);border-radius:8px;align-items:flex-start;gap:12px;padding:10px 14px;font-size:14.5px;line-height:1.55;display:flex}.hn-opts li:before{content:counter(opt, upper-alpha);border:1px solid var(--hn-line);width:24px;height:24px;color:var(--hn-muted);border-radius:50%;flex:none;place-items:center;font-size:12px;font-weight:700;display:grid}.hn-q details{border-top:1px dashed var(--hn-line);padding-top:6px}.hn-q details ul,.hn-q details ol{margin:6px 0 10px;padding-left:20px}.hn-answer{color:#1d6b43;background:#e5f3ea;border-radius:999px;margin:6px 0;padding:4px 12px;font-size:13px;font-weight:700;display:inline-block}.hn-methods{gap:14px;margin:16px 0;display:grid}.hn-method{background:var(--hn-surface);border:1px solid var(--hn-line);border-left:3px solid var(--hn-primary);border-radius:8px;padding:16px 20px}.hn-method h3{margin:0 0 8px;font-size:16px}.hn-method ol{margin:0;padding-left:20px;font-size:14.5px;line-height:1.7}.hn-method p{color:var(--hn-muted);margin:10px 0 0;font-size:13px}.hn-cards{gap:10px;display:grid}.hn-cards details{background:var(--hn-surface);border:1px solid var(--hn-line);border-radius:8px;padding:4px 16px}@media (max-width:760px){.hn-lesson-doc .hn-lesson-heading h1{font-size:27px}.hn-q{padding:16px}}.hn-qopts{border:0;gap:8px;margin:0 0 12px;padding:0;display:grid}.hn-qopt{border:1px solid var(--hn-line);background:var(--hn-surface);cursor:pointer;border-radius:8px;align-items:flex-start;gap:12px;min-height:48px;padding:12px 14px;font-size:14.5px;line-height:1.55;transition:border-color .12s,background .12s;display:flex}.hn-qopt:hover{border-color:var(--hn-primary)}.hn-qopt input{opacity:0;pointer-events:none;position:absolute}.hn-qopt:focus-within{outline:3px solid var(--hn-accent);outline-offset:2px}.hn-qopt-letter{border:1px solid var(--hn-line);width:26px;height:26px;color:var(--hn-muted);border-radius:50%;flex:none;place-items:center;font-size:12px;font-weight:700;display:grid}.hn-qopt-text{flex:1;min-width:0}.hn-qopt-mark{flex:none;margin-top:4px}.hn-qopt.selected{border-color:var(--hn-primary);background:var(--hn-soft)}.hn-qopt.selected .hn-qopt-letter{background:var(--hn-primary);border-color:var(--hn-primary);color:#fff}.hn-qopt.correct{color:#14502f;background:#e5f3ea;border-color:#1d6b43}.hn-qopt.correct .hn-qopt-letter{color:#fff;background:#1d6b43;border-color:#1d6b43}.hn-qopt.wrong{color:#7a2626;background:#fbeaea;border-color:#a33a3a}.hn-qopt.wrong .hn-qopt-letter{color:#fff;background:#a33a3a;border-color:#a33a3a}.hn-qopts:disabled .hn-qopt{cursor:default}.hn-qhints{color:var(--hn-muted);gap:6px;margin:4px 0 10px;padding:0;font-size:14px;list-style:none;display:grid}.hn-qhints li{color:#5c4420;background:#fbf5e6;border-radius:6px;align-items:flex-start;gap:8px;padding:8px 12px;display:flex}.hn-qhints svg{flex:none;margin-top:3px}.hn-qactions{flex-wrap:wrap;align-items:center;gap:18px;margin-top:4px;display:flex}.hn-qfeedback{border-radius:8px;margin-top:12px;padding:12px 14px;font-size:14px;line-height:1.6}.hn-qfeedback.ok{color:#14502f;background:#e5f3ea}.hn-qfeedback.no{color:#7a2626;background:#fbeaea}.hn-qfeedback details{margin-top:8px}.hn-qsolution{margin:12px 0 0;padding-left:22px;font-size:14.5px;line-height:1.7}.hn-test-progress{z-index:4;background:var(--hn-paper);color:var(--hn-muted);align-items:center;gap:14px;padding:10px 0;font-size:13px;display:flex;position:sticky;top:0}.hn-test-bar{background:var(--hn-line);border-radius:99px;flex:1;height:6px;overflow:hidden}.hn-test-bar span{background:var(--hn-primary);height:100%;transition:width .2s;display:block}.hn-test-result{background:var(--hn-surface);border:1px solid var(--hn-line);border-left:4px solid var(--hn-primary);border-radius:10px;margin:8px 0 20px;padding:20px 22px}.hn-test-score{flex-wrap:wrap;align-items:baseline;gap:16px;display:flex}.hn-test-score strong{letter-spacing:-1px;font-size:40px}.hn-test-score span{color:var(--hn-muted);font-size:15px}.hn-test-block{margin-top:16px}.hn-test-block h3{margin:0 0 6px;font-size:15px}.hn-test-block ul{gap:8px;margin:0;padding-left:20px;font-size:14px;line-height:1.6;display:grid}.hn-badge-warn{color:#7a4a10;background:#f7e7c8;border-radius:99px;padding:2px 8px;font-size:11px;font-weight:700}.hn-test-hint{color:var(--hn-muted);font-size:13px}@media (max-width:760px){.hn-qopt{padding:12px}.hn-test-score strong{font-size:32px}}.hn-byline{color:var(--hn-muted);margin:10px 0 0;font-size:13px}.hn-draft a{color:inherit;font-weight:600;text-decoration:underline}.hn-report{color:var(--hn-muted);margin-top:10px;font-size:12.5px;text-decoration:underline;display:inline-block}.hn-report:hover{color:var(--hn-primary)}.hn-anlatim{gap:22px;display:grid}.hn-ozet{background:var(--hn-soft);border-left:4px solid var(--hn-primary);border-radius:12px;padding:18px 22px}.hn-ozet>span{letter-spacing:1.6px;color:var(--hn-primary);font-size:11px;font-weight:700}.hn-ozet p{color:var(--hn-ink);margin:6px 0 0;font-size:17px;font-weight:600;line-height:1.55}.hn-blok h3{letter-spacing:-.3px;margin:0 0 6px;font-size:19px}.hn-blok p{color:var(--hn-ink);margin:0;font-size:16px;line-height:1.75}.hn-kural{background:var(--hn-surface);border:1px solid var(--hn-line);border-top:4px solid var(--hn-primary);border-radius:12px;padding:18px 22px}.hn-kural>span{letter-spacing:1.4px;color:var(--hn-muted);text-transform:uppercase;font-size:12px;font-weight:700}.hn-kural strong{letter-spacing:-.4px;color:var(--hn-ink);margin:8px 0;font-size:22px;line-height:1.35;display:block}.hn-kural p{color:var(--hn-muted);margin:0;font-size:14.5px;line-height:1.65}.hn-figure{background:var(--hn-surface);border:1px solid var(--hn-line);border-radius:12px;margin:0;padding:14px}.hn-figure img{background:#fff;border-radius:8px;width:100%;height:auto;display:block}.hn-figure figcaption{color:var(--hn-muted);margin-top:10px;font-size:13px;line-height:1.6}.hn-adimlar{background:var(--hn-surface);border:1px solid var(--hn-line);border-radius:12px;padding:18px 22px}.hn-adimlar h3,.hn-dikkat h3,.hn-dusun h3{align-items:center;gap:8px;margin:0 0 10px;font-size:16px;display:flex}.hn-adimlar ol{counter-reset:s;gap:10px;margin:0;padding:0;list-style:none;display:grid}.hn-adimlar li{counter-increment:s;align-items:flex-start;gap:12px;font-size:15px;line-height:1.6;display:flex}.hn-adimlar li:before{content:counter(s);background:var(--hn-primary);color:#fff;border-radius:50%;flex:none;place-items:center;width:26px;height:26px;margin-top:1px;font-size:13px;font-weight:700;display:grid}.hn-dikkat{color:#4d3a14;background:#fbf3e0;border:1px solid #ecd9ab;border-left:4px solid #c28a1c;border-radius:12px;padding:16px 22px}.hn-dikkat p{margin:0;font-size:15px;line-height:1.65}.hn-dusun{background:var(--hn-soft);border-radius:12px;padding:16px 22px}.hn-dusun p{margin:0 0 6px;font-size:15px;line-height:1.65}.hn-dusun details p{margin-top:8px}@media (max-width:760px){.hn-kural strong{font-size:19px}.hn-ozet p{font-size:16px}}.hn-figure img{max-width:100%;margin:0 auto}.hn-figure .hn-sozluk{background:var(--hn-soft);border-radius:8px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:4px 18px;margin:12px 0 4px;padding:12px 14px;font-size:13px;display:grid}.hn-sozluk>div{gap:8px;display:flex}.hn-sozluk dt{min-width:20px;color:var(--hn-primary);flex:none;font-weight:700}.hn-sozluk dd{margin:0}.hn-atif{color:var(--hn-muted);margin-top:8px;font-size:12px;display:block}.hn-atif a{text-decoration:underline}.hn-lesson-doc .hn-figure img{width:auto;max-width:100%;height:auto;max-height:680px;margin:0 auto;display:block}