.lesson-reading_shell__Fk3Za{--lesson-header-height:56px;max-width:1456px;margin-inline:auto;color:var(--foreground);font-family:var(--font-course-sans,var(--font-geist-sans)),sans-serif}.lesson-reading_layout__FxFTR{display:grid;min-width:0}.lesson-reading_curriculum__Ruv_k{display:none}.lesson-reading_main__D5Hfm{min-width:0}.lesson-reading_video__rAGq4{width:100%;min-width:0}.lesson-reading_contentGrid__RAVUR{display:grid;min-width:0}.lesson-reading_reading__HhAfu{min-width:0;padding:32px 20px 64px}.lesson-reading_lessonTitle__vYQU0{font-size:clamp(2rem,3.4vw,2.75rem);line-height:1.08;font-weight:700;letter-spacing:-.034em;text-wrap:balance;margin-block:12px 32px}.lesson-reading_eyebrow__CTtmy{font-family:var(--font-geist-mono),monospace;font-size:11px;line-height:1.7;letter-spacing:.07em;text-transform:uppercase;color:var(--muted-foreground)}.lesson-reading_article__NieTW{max-width:70ch;min-width:0;font-size:17.5px;line-height:1.68;overflow-wrap:anywhere}.lesson-reading_article__NieTW>*+*{margin-top:28px}.lesson-reading_article__NieTW h2{font-size:30px;line-height:1.33;font-weight:650;letter-spacing:-.025em;margin-block:48px 20px;scroll-margin-top:100px}.lesson-reading_article__NieTW h3{font-size:22px;line-height:1.4;font-weight:600;letter-spacing:-.02em;margin-block:32px 16px;scroll-margin-top:100px}.lesson-reading_prose__AHQwe>*+*{margin-top:22px}.lesson-reading_prose__AHQwe p{white-space:pre-line}.lesson-reading_prose__AHQwe a{text-decoration:underline;text-underline-offset:4px}.lesson-reading_prose__AHQwe a:hover{color:var(--muted-foreground)}.lesson-reading_prose__AHQwe ul{list-style:disc;padding-left:26px}.lesson-reading_prose__AHQwe ol{list-style:decimal;padding-left:26px}.lesson-reading_prose__AHQwe li+li{margin-top:8px}.lesson-reading_prose__AHQwe blockquote{border-left:3px solid var(--border);padding-left:22px;color:var(--muted-foreground)}.lesson-reading_inlineCode__NDQkd{font-family:var(--font-geist-mono),monospace;font-size:.86em;padding:2px 5px;border-radius:4px;background:var(--muted)}.lesson-reading_codeBlock__IKOMx{min-width:0;border:1px solid var(--border);border-radius:8px;background:var(--muted);overflow:hidden}.lesson-reading_codeHeader__9xRae{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 12px 8px 20px;border-bottom:1px solid var(--border)}.lesson-reading_code__GTRBK{overflow-x:auto;max-height:640px;padding:20px 0;font-family:var(--font-geist-mono),monospace;font-size:13px;line-height:1.85;tab-size:2}.lesson-reading_codeLine__cBE_w{display:block;min-width:100%;padding-right:20px}.lesson-reading_codeLine__cBE_w[data-focused]{background:var(--accent);box-shadow:inset 2px 0 var(--primary)}.lesson-reading_codeLine__cBE_w[data-dimmed]{opacity:.5}.lesson-reading_lineNumber__eR5zD{display:inline-block;width:44px;padding-right:14px;text-align:right;color:var(--muted-foreground);user-select:none}.dark .lesson-reading_code__GTRBK span[style]{color:var(--shiki-dark)!important}.lesson-reading_tableScroll__7bkDF{overflow-x:auto;max-width:100%;border:1px solid var(--border);border-radius:6px;font-size:15px}.lesson-reading_tableScroll__7bkDF table{width:100%;border-collapse:collapse;text-align:left}.lesson-reading_tableScroll__7bkDF th{background:var(--muted);font-weight:600}.lesson-reading_tableScroll__7bkDF td,.lesson-reading_tableScroll__7bkDF th{padding:12px 18px;border-bottom:1px solid var(--border);min-width:120px}.lesson-reading_rightRail__pn84D{display:none}.lesson-reading_articleNav__S95Q8{font-size:13px;line-height:1.5}.lesson-reading_articleNav__S95Q8 ol{margin-top:18px;border-left:1px solid var(--border)}.lesson-reading_articleNav__S95Q8 li a{display:block;padding:8px 16px;color:var(--muted-foreground);border-left:2px solid transparent;margin-left:-1px}.lesson-reading_articleNav__S95Q8 li[data-level="3"] a{padding-left:28px}.lesson-reading_articleNav__S95Q8 a[aria-current]{color:var(--foreground);border-color:var(--primary)}.lesson-reading_backToTop__TPYG6{display:inline-block;margin-top:24px;color:var(--muted-foreground)}.lesson-reading_mobileToc__kRpAN{padding-block:14px;border-block:1px solid var(--border);margin-bottom:28px;font-size:14px}.lesson-reading_mobileToc__kRpAN summary{min-height:28px;cursor:pointer}.lesson-reading_walkthrough__pwrAW{scroll-margin-top:100px}.lesson-reading_walkthroughStep__p5JO_{padding-block:24px;scroll-margin-top:100px}.lesson-reading_walkthroughStep__p5JO_ h3{margin-top:8px}.lesson-reading_walkthroughCode__GQeEw{display:none}.lesson-reading_mobileStepCode__9yEMZ{margin-top:24px}.lesson-reading_mobileBar__Ttd5Q{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:12px 16px;border-bottom:1px solid var(--border)}@media (min-width:768px){.lesson-reading_reading__HhAfu{padding:48px 40px 80px}}@media (min-width:1024px){.lesson-reading_layout__FxFTR{grid-template-columns:264px minmax(0,1fr)}.lesson-reading_curriculum__Ruv_k{display:block;border-right:1px solid var(--border)}.lesson-reading_curriculumInner__j_5DK{position:sticky;top:var(--lesson-header-height);height:calc(100dvh - var(--lesson-header-height));overflow-y:auto;overscroll-behavior:contain;padding:28px 18px 40px}.lesson-reading_mobileBar__Ttd5Q{display:none}.lesson-reading_walkthroughGrid__G96_r{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:24px;align-items:start}.lesson-reading_walkthroughStep__p5JO_{min-height:360px}.lesson-reading_walkthroughCode__GQeEw{display:block;position:sticky;top:100px;min-width:0}.lesson-reading_walkthroughCode__GQeEw>p{margin-top:12px}.lesson-reading_mobileStepCode__9yEMZ{display:none}}@media (min-width:1280px){.lesson-reading_contentGrid__RAVUR{grid-template-columns:minmax(0,1fr) 232px}.lesson-reading_rightRail__pn84D{display:block;padding:48px 20px 48px 8px}.lesson-reading_rightRail__pn84D>*{position:sticky;top:100px;max-height:calc(100dvh - 120px);overflow-y:auto}.lesson-reading_mobileToc__kRpAN{display:none}.lesson-reading_reading__HhAfu{padding-inline:48px}}@media (prefers-reduced-motion:reduce){.lesson-reading_shell__Fk3Za *{scroll-behavior:auto}}.course-editorial_workspace__gwXZ0{font-family:var(--font-course-sans,var(--font-geist-sans)),sans-serif;min-height:calc(100dvh - 56px)}.course-editorial_toolbar__ekw_W{position:sticky;top:56px;z-index:30;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;border-bottom:1px solid var(--border);background:var(--background)}.course-editorial_columns__4eXLv{display:grid;align-items:start}.course-editorial_curriculum__c9AEn{display:none}.course-editorial_canvas__1QUyz{min-width:0;padding:32px 20px 64px}.course-editorial_inspector__Q8SR0{display:none;min-width:0;padding:28px 20px;border-top:1px solid var(--border);background:var(--muted)}@media (min-width:1024px){.course-editorial_columns__4eXLv{grid-template-columns:264px minmax(0,1fr)}.course-editorial_curriculum__c9AEn{display:block;grid-row:span 2;position:sticky;top:123px;max-height:calc(100dvh - 123px);overflow-y:auto;padding:24px 16px;border-right:1px solid var(--border)}.course-editorial_canvas__1QUyz{padding:48px}.course-editorial_inspector__Q8SR0{grid-column:2;padding:32px 48px}}@media (min-width:1280px){.course-editorial_columns__4eXLv{grid-template-columns:264px minmax(0,1fr) 300px}.course-editorial_inspector__Q8SR0{display:block;grid-column:3;position:sticky;top:123px;max-height:calc(100dvh - 123px);overflow-y:auto;padding:28px 24px;border-top:0;border-left:1px solid var(--border);background:var(--background)}}@media (min-width:1024px){.course-editorial_columns__4eXLv[data-preview]{grid-template-columns:264px minmax(0,1fr)}.course-editorial_columns__4eXLv[data-preview] .course-editorial_canvas__1QUyz{width:100%;max-width:1000px;margin-inline:auto}}.course-catalog_catalog__Cr_l_{max-width:1240px;margin:auto;padding:72px 24px 120px;font-family:var(--font-course-sans,var(--font-geist-sans)),sans-serif}.course-catalog_hero__3CqZj{text-align:center;max-width:760px;margin:0 auto 88px}.course-catalog_kicker__b0_cC{font-family:var(--font-geist-mono),monospace;font-size:11px;line-height:1.6;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-foreground)}.course-catalog_hero__3CqZj h1{font-size:clamp(40px,5.5vw,68px);line-height:1.04;letter-spacing:-.045em;font-weight:700;margin:24px 0;text-wrap:balance}.course-catalog_hero__3CqZj>p:last-child{font-size:19px;line-height:1.6;color:var(--muted-foreground);max-width:500px;margin:auto}.course-catalog_filters__x0yaV{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;border-bottom:1px solid var(--border);padding-bottom:28px;margin-bottom:32px}.course-catalog_filters__x0yaV h2{font-size:24px;font-weight:600;letter-spacing:-.02em}.course-catalog_filters__x0yaV p{font-size:13px;color:var(--muted-foreground);margin-top:6px}.course-catalog_grid___04C5{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}.course-catalog_card__z5y0M{display:flex;flex-direction:column;border:1px solid var(--border);border-radius:8px;overflow:hidden;transition:border-color .2s,transform .2s}.course-catalog_card__z5y0M:hover{border-color:var(--muted-foreground);transform:translateY(-3px)}.course-catalog_art__nGEiP{position:relative;aspect-ratio:1.65;overflow:hidden;border-bottom:1px solid var(--border);background:var(--muted)}.course-catalog_art__nGEiP>img{width:100%;height:100%;object-fit:cover}.course-catalog_price__PuPA8{position:absolute;left:16px;bottom:16px;font-size:11px;border:1px solid var(--border);padding:5px 8px;border-radius:4px;background:var(--background)}.course-catalog_cardBody__Wb_Zm{padding:24px;display:flex;flex:1;flex-direction:column}.course-catalog_cardBody__Wb_Zm h3{display:flex;align-items:start;justify-content:space-between;gap:12px;font-size:23px;font-weight:650;line-height:1.22;letter-spacing:-.025em;margin:12px 0}.course-catalog_cardBody__Wb_Zm h3 svg{width:18px;height:18px;flex-shrink:0;margin-top:4px}.course-catalog_cardBody__Wb_Zm>p:not(.course-catalog_kicker__b0_cC){font-size:15px;line-height:1.65;color:var(--muted-foreground);margin-bottom:24px}.course-catalog_meta__h2LH3{display:flex;flex-wrap:wrap;align-items:center;gap:7px;margin-top:auto;font-size:11px;color:var(--muted-foreground)}.course-catalog_meta__h2LH3 span{margin-left:auto}.course-catalog_coverArt__PDy_J{width:100%;height:100%;display:grid;place-items:center;position:relative;background-image:radial-gradient(var(--border) 1px,transparent 1px);background-size:14px 14px}.course-catalog_orbit__G7IWC{position:absolute;width:180px;height:180px;border:1px solid var(--border);border-radius:50%}.course-catalog_orbitSmall__gENA_{position:absolute;width:140px;height:140px;border:1px solid var(--border);transform:rotate(45deg)}.course-catalog_symbol__DW568{width:88px;height:88px;display:grid;place-items:center;border:1px solid var(--border);border-radius:20px;background:var(--background);box-shadow:0 8px 20px color-mix(in srgb,var(--foreground) 5%,transparent)}.course-catalog_symbol__DW568 svg{width:42px;height:42px;stroke-width:1.3}.course-catalog_artNumber__ivdWR{position:absolute;right:20px;top:15px;font-family:var(--font-geist-mono),monospace;font-size:11px;color:var(--muted-foreground)}@media (max-width:1023px){.course-catalog_grid___04C5{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:639px){.course-catalog_catalog__Cr_l_{padding:48px 20px 80px}.course-catalog_hero__3CqZj{margin-bottom:56px;text-align:left}.course-catalog_hero__3CqZj>p:last-child{font-size:17px}.course-catalog_grid___04C5{grid-template-columns:minmax(0,1fr);gap:24px}}@media (prefers-reduced-motion:reduce){.course-catalog_card__z5y0M{transition:none}.course-catalog_card__z5y0M:hover{transform:none}}.course-landing_landing__Rzu4r{max-width:1200px;margin-inline:auto;padding:48px 20px 128px;font-family:var(--font-course-sans,var(--font-geist-sans)),sans-serif}.course-landing_hero____rjS{display:grid;gap:36px;align-items:center;padding-block:12px 48px;border-bottom:1px solid var(--border)}.course-landing_heroCopy__KbxPG{min-width:0}.course-landing_heroCopy__KbxPG h1{margin-block:24px;font-size:clamp(36px,4.5vw,56px);line-height:1.08;font-weight:700;letter-spacing:-.04em;text-wrap:balance}.course-landing_heroCopy__KbxPG>p{max-width:58ch;font-size:19px;line-height:1.6;color:var(--muted-foreground)}.course-landing_heroArt__hQK3Q{overflow:hidden;border:1px solid var(--border);border-radius:12px;aspect-ratio:4/3;background:var(--muted)}.course-landing_heroArt__hQK3Q img,.course-landing_heroArt__hQK3Q>div{width:100%;height:100%;object-fit:cover}.course-landing_columns__r4mQc{display:grid;gap:48px;margin-top:48px;align-items:start}.course-landing_purchase__HCzyK{width:100%}@media (min-width:768px){.course-landing_landing__Rzu4r{padding:64px 36px 128px}.course-landing_hero____rjS{grid-template-columns:minmax(0,1fr) minmax(260px,.65fr);gap:48px}}@media (min-width:1024px){.course-landing_purchase__HCzyK{position:sticky;top:88px;grid-column:2;grid-row:1}.course-landing_columns__r4mQc{grid-template-columns:minmax(0,1fr) 320px;gap:64px}}