.GrammarHub_libraryContainer__HwRO5{width:100%;color:var(--text)}.GrammarHub_libraryHeader__VXCum{padding:clamp(1.5rem,4vw,2.75rem);margin-bottom:1.25rem;border:1px solid var(--line);border-radius:var(--radius-xl);background:var(--surface)}.GrammarHub_brand__awtGm{display:inline-flex;align-items:center;gap:.5rem;margin-bottom:1.1rem;color:var(--brand-emphasis);font-size:.78rem;font-weight:750;letter-spacing:.07em;text-transform:uppercase}.GrammarHub_libraryHeader__VXCum h1{margin:0;font-family:var(--font-sans);font-size:clamp(2rem,4.5vw,3.4rem);line-height:1.1;letter-spacing:-.035em}.GrammarHub_libraryHeader__VXCum p{max-width:65ch;margin:1rem 0 0;color:var(--text-secondary);font-size:1.05rem;line-height:1.7}.GrammarHub_statsBar__Tzftp{display:flex;flex-wrap:wrap;gap:.65rem;margin-top:1.5rem}.GrammarHub_statItem__HEKIf{padding:.45rem .7rem;border:1px solid var(--line);border-radius:var(--radius-sm);color:var(--text-secondary);font-size:.8rem;background:var(--canvas-subtle)}.GrammarHub_levelGrid___F860{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:1rem;gap:1rem;margin-bottom:3rem}.GrammarHub_levelCard__09sp_{position:relative;display:block;padding:1.25rem;border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--surface);text-decoration:none;color:var(--text);transition:border-color var(--transition-fast)}.GrammarHub_levelCard__09sp_:hover{color:var(--text);border-color:var(--brand-emphasis);text-decoration:none}.GrammarHub_levelBadge__U6bzK{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;margin-bottom:1rem;border-radius:var(--radius-sm);background:var(--brand-soft);color:var(--brand-emphasis);font-weight:800}.GrammarHub_levelCard__09sp_ h2{margin:0 0 .5rem;font-size:1.15rem}.GrammarHub_levelCard__09sp_ p{margin:0;color:var(--text-secondary);font-size:.9rem;line-height:1.6}.GrammarHub_cardArrow__wpi1I{position:absolute;top:1.4rem;right:1.2rem;color:var(--text-muted)}.GrammarHub_faqSection__DgMPB{max-width:52rem;margin:3rem auto}.GrammarHub_faqHeader__jx2Pk{margin-bottom:1.5rem;font-size:clamp(1.5rem,3vw,2rem)}.GrammarHub_faqList__o8HN3{display:grid;grid-gap:.75rem;gap:.75rem}.GrammarHub_faqItem__sCLpS{padding:1.25rem;border:1px solid var(--line);border-radius:var(--radius-md);background:var(--surface)}.GrammarHub_faqItem__sCLpS h3{margin:0 0 .6rem;font-size:1rem}.GrammarHub_faqItem__sCLpS p{margin:0;color:var(--text-secondary);line-height:1.7}.GrammarHub_levelCard__09sp_:focus-visible{outline:3px solid var(--brand-emphasis);outline-offset:3px}@media (max-width:900px){.GrammarHub_levelGrid___F860{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:520px){.GrammarHub_levelGrid___F860{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.GrammarHub_levelCard__09sp_{transition:none}}.HubPage_sectionTitle__9wqAw{max-width:22ch;margin:0 auto clamp(1.5rem,4vw,2.25rem);color:var(--text);font-size:clamp(1.65rem,5vw,2.5rem);font-weight:880;letter-spacing:-.04em;line-height:1.08;text-align:center}.HubPage_introSection__YKmab{padding:clamp(3rem,8vw,5rem) max(1rem,calc((100vw - 72rem) / 2));border-block:1px solid var(--line);background:var(--canvas-subtle)}.HubPage_introContent__9oZiS{width:min(100%,64rem);margin:0 auto}.HubPage_introGrid__f2czl{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(16rem,.8fr);align-items:start;grid-gap:clamp(1.25rem,4vw,2.5rem);gap:clamp(1.25rem,4vw,2.5rem)}.HubPage_introText__ieXFe p{margin:0;color:var(--text-secondary);font-size:clamp(1rem,2vw,1.08rem);line-height:1.8}.HubPage_introText__ieXFe p+p{margin-top:1rem}.HubPage_introText__ieXFe strong{color:var(--text)}.HubPage_introHighlight__X7f5j{position:-webkit-sticky;position:sticky;inset-block-start:5.5rem}.HubPage_highlightCard__kqnCR,.HubPage_whyLearnCard__vikSC{border:1px solid color-mix(in srgb,var(--brand) 22%,var(--line));border-radius:var(--radius-lg);background:var(--gradient-brand-subtle),var(--surface);box-shadow:var(--shadow-sm)}.HubPage_highlightCard__kqnCR{padding:clamp(1.15rem,4vw,1.6rem)}.HubPage_highlightEmoji__VQoyM,.HubPage_whyLearnIcon__NmlKV{display:block;margin-bottom:.7rem;font-size:2rem;line-height:1}.HubPage_highlightCard__kqnCR h3,.HubPage_whyLearnCard__vikSC h3{margin:0 0 .55rem;color:var(--text);font-size:1.05rem;font-weight:820;letter-spacing:-.015em}.HubPage_highlightCard__kqnCR p,.HubPage_whyLearnCard__vikSC p{margin:0;color:var(--text-secondary);font-size:.9rem;line-height:1.65}.HubPage_whyLearnGrid__Rm3Wb{display:grid;width:min(100%,64rem);grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:.85rem;gap:.85rem;margin:clamp(1.25rem,4vw,2rem) auto 0}.HubPage_whyLearnCard__vikSC{padding:1.15rem;transition:border-color var(--transition-fast),box-shadow var(--transition-fast),transform var(--transition-fast)}.HubPage_whyLearnCard__vikSC:hover{border-color:color-mix(in srgb,var(--brand) 50%,var(--line));box-shadow:var(--shadow-md);transform:translateY(-2px)}@media (max-width:48rem){.HubPage_introGrid__f2czl{grid-template-columns:1fr}.HubPage_introHighlight__X7f5j{position:static}.HubPage_whyLearnGrid__Rm3Wb{grid-template-columns:1fr}}@media (prefers-reduced-motion:reduce){.HubPage_whyLearnCard__vikSC{transition:none}.HubPage_whyLearnCard__vikSC:hover{transform:none}}