@layer reset,base,layout,components;
@layer reset {*,*::before,*::after{box-sizing:border-box}body,h1,h2,h3,p,figure,pre{margin:0}button,input{font:inherit}img{max-width:100%;display:block}a{color:inherit}button,a,input,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}[hidden]{display:none!important}}
@layer base {
:root{--paper:#f6f5ef;--ink:#182c36;--muted:#53636a;--line:#d6dad2;--blue:#2455cd;--yellow:#f8c746;--mint:#e5eee9;--white:#fff;--serif:Georgia,'Times New Roman',serif;--mono:ui-monospace,SFMono-Regular,Consolas,monospace;color-scheme:light}
html{scroll-behavior:smooth;scroll-padding-top:100px}body{background:var(--paper);color:var(--ink);font:17px/1.65 -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;-webkit-font-smoothing:antialiased}::selection{background:var(--yellow);color:var(--ink)}a{text-underline-offset:5px;text-decoration-thickness:1px}a:hover{color:var(--blue)}:focus-visible{outline:3px solid var(--blue);outline-offset:5px}p{max-width:67ch}p+p{margin-top:1em}h1,h2{font-family:var(--serif);font-weight:400;line-height:1.04;letter-spacing:-.045em}h1{font-size:clamp(3.2rem,6.5vw,6.2rem)}h2{font-size:clamp(2.2rem,4vw,3.8rem)}h3{font-size:1.25rem;letter-spacing:-.025em;line-height:1.3}code,pre{font-family:var(--mono)}code{font-size:.83em}p code,li code{background:#e6e9e3;padding:2px 5px;border-radius:3px}pre{overflow:auto;line-height:1.8;font-size:13px;tab-size:4}summary{cursor:pointer}ul,ol{padding-left:1.3rem}li+li{margin-top:.5em}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
}
@layer layout {
.wrap{width:min(1264px,calc(100% - 112px));margin-inline:auto}.section{padding-block:96px}.section+.section{border-top:1px solid var(--line)}.site-header{border-bottom:1px solid var(--line);background:var(--paper);position:relative;z-index:10}.header-inner{width:min(1360px,calc(100% - 80px));margin:auto;min-height:94px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:inline-flex;align-items:center;gap:10px;font-size:31px;font-weight:750;letter-spacing:-1.5px;text-decoration:none;line-height:1}.brand img{width:36px;height:44px;object-fit:contain}.brand-dot{color:var(--blue)}#site-nav{display:flex;gap:28px;align-items:center;font-size:14px;font-weight:600}#site-nav>a{text-decoration:none}#site-nav>a[aria-current]{text-decoration:underline;text-decoration-color:var(--blue);text-underline-offset:10px}.nav-toggle{display:none}.nav-cta{border:1px solid var(--ink);padding:11px 17px;border-radius:5px}.nav-cta span{margin-left:12px}.hero{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;padding-block:86px 70px}.hero h1{max-width:650px}.hero em{color:var(--blue);font-style:italic}.hero .lead{max-width:490px;margin-top:28px}.lead{font-size:20px;line-height:1.65;color:var(--muted)}.eyebrow{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.09em;text-transform:uppercase;margin-bottom:22px;color:var(--muted)}.eyebrow .dot{display:inline-block;width:7px;height:7px;background:var(--blue);border-radius:50%;margin-right:10px}.actions{display:flex;gap:13px;flex-wrap:wrap;align-items:center;margin-top:30px}.button{display:inline-flex;justify-content:center;align-items:center;gap:26px;padding:13px 21px;border-radius:5px;text-decoration:none;font-size:15px;font-weight:600;border:1px solid var(--ink);background:var(--ink);color:var(--white);min-height:48px}.button:hover{background:var(--blue);border-color:var(--blue);color:white}.button.secondary{background:transparent;color:var(--ink)}.button.secondary:hover{background:white;color:var(--blue)}.small-link{font-size:14px;font-weight:600}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:40px}.section-heading h2{max-width:650px}.section-heading>p{max-width:360px;color:var(--muted)}.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}.split.start{align-items:start}.three{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}.two{display:grid;grid-template-columns:1fr 1fr;gap:28px}.subhero{padding-block:76px 56px;border-bottom:1px solid var(--line)}.subhero h1{max-width:1000px}.subhero .lead{margin-top:26px;max-width:800px}.page-intro{max-width:780px}.site-footer{background:var(--ink);color:#eef1ec;padding:65px max(40px,calc((100% - 1264px)/2)) 25px}.footer-top{display:grid;grid-template-columns:1.3fr 1fr 1.1fr 1fr;gap:40px}.footer-top p{font-size:14px;color:#b9c5c8;margin-top:20px}.footer-top h2{font:600 13px/1.5 var(--mono);letter-spacing:0;color:#bbc7c9;margin-bottom:17px}.footer-top>div>a:not(.brand){display:block;font-size:14px;text-decoration:none;margin-bottom:10px}.site-footer a:hover{color:var(--yellow)}.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;border-top:1px solid #41525a;margin-top:58px;padding-top:22px;color:#b9c5c8;font-size:12px}
@media(max-width:1100px){.wrap{width:calc(100% - 64px)}.hero{gap:36px}.header-inner{width:calc(100% - 48px)}#site-nav{gap:20px}.split{gap:36px}.footer-top{grid-template-columns:1fr 1fr}.hero h1{font-size:clamp(3.7rem,7.8vw,5.5rem)}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.header-inner{min-height:76px;width:calc(100% - 40px);flex-wrap:wrap;gap:0}.nav-toggle{display:flex;align-items:center;gap:16px;border:0;background:transparent;padding:12px 0;font-size:14px}#site-nav{width:100%;padding:20px 0;flex-wrap:wrap;gap:20px 24px}.js #site-nav{display:none}.js #site-nav.open{display:flex}.brand{font-size:27px}.hero,.split,.two,.three{grid-template-columns:1fr}.hero{padding-block:48px;gap:42px}.hero h1{font-size:clamp(3.5rem,13vw,5rem)}.hero .lead,.lead{font-size:18px}.section{padding-block:60px}.section-heading{display:block}.section-heading>p{margin-top:22px}.split{gap:32px}.three{gap:30px}.subhero{padding-block:48px 38px}.footer-top{gap:36px 20px}.site-footer{padding:48px 20px 24px}.footer-top>div:first-child{grid-column:1/-1}.footer-top>div:last-child{grid-column:1/-1}.footer-bottom{margin-top:35px}.actions .button{gap:18px}.subhero h1{font-size:clamp(3.1rem,12vw,5rem)}}
}
@layer components {
.skip{position:absolute;left:20px;top:-80px;padding:10px;background:white;z-index:100}.skip:focus{top:10px}.hero-art{position:relative;background:#e1e7e1;border:1px solid #c8d2ca;border-radius:12px;padding:28px 30px 0;overflow:hidden;min-height:560px}.art-top{display:flex;justify-content:space-between;align-items:center;font:11px var(--mono);color:#40544c;margin-bottom:22px}.art-top span:first-child::before{content:'';display:inline-block;background:#3c7959;width:6px;height:6px;border-radius:50%;margin-right:8px}.hero-art img{width:100%;border:1px solid #bac6be;border-radius:7px 7px 0 0;max-height:505px;object-fit:cover;object-position:top;box-shadow:0 12px 30px #172d3620}.art-note{position:absolute;bottom:26px;left:18px;right:18px;background:var(--ink);color:white;padding:19px 23px;border-radius:6px;display:flex;gap:15px;align-items:center;box-shadow:0 8px 25px #182c3633;font-size:14px}.art-note b{font-family:var(--mono);font-size:21px;color:var(--yellow)}.art-note small{display:block;color:#bcc9ce;font-size:12px}.trustline{display:flex;flex-wrap:wrap;gap:22px 48px;border-block:1px solid var(--line);padding:23px 0;font:12px var(--mono);color:var(--muted)}.trustline span::before{content:'+';margin-right:12px;color:var(--blue)}.number{font:12px var(--mono);color:var(--blue);display:block;margin-bottom:28px}.feature{border-top:1px solid var(--ink);padding-top:22px}.feature p{color:var(--muted);font-size:16px;margin-top:14px}.feature h3{font-size:21px}.flow{margin-top:42px;display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:20px;align-items:center}.flow div{padding:25px;border:1px solid var(--line);border-radius:7px}.flow strong{font:27px var(--serif);display:block}.flow small{display:block;font-size:13px;color:var(--muted);margin-top:6px}.flow>span{font-size:26px;color:var(--blue)}.dark{background:var(--ink);color:white}.dark .eyebrow,.dark .lead,.dark .muted{color:#bdcbd0}.dark p code{background:#35464d}.dark .button{background:var(--yellow);border-color:var(--yellow);color:var(--ink)}.dark .button:hover{background:white}.codebox{background:#102129;color:#e5ede9;border:1px solid #42535a;border-radius:8px;overflow:hidden}.codebar{padding:13px 20px;border-bottom:1px solid #34474f;color:#a7b8be;font:11px var(--mono);display:flex;justify-content:space-between}.codebox pre{padding:26px;white-space:pre;}.codebox .kw{color:#80adfa}.codebox .str{color:#f1ca79}.codebox .comment{color:#a5b7bf}.caption{font:12px/1.7 var(--mono);color:var(--muted);margin-top:16px}.dark .caption{color:#bcc9ce}.shot{border:1px solid var(--line);border-radius:7px;overflow:hidden;background:white}.shot img{width:100%;height:auto}.large-shot{background:#e1e7e1;padding:24px;border-radius:9px;margin-top:40px}.large-shot .shot{box-shadow:0 12px 25px #18312b14}.checklist{list-style:none;padding:0;margin:25px 0}.checklist li{padding:13px 0 13px 28px;border-bottom:1px solid var(--line);position:relative}.checklist li::before{content:'✓';position:absolute;left:0;color:var(--blue)}.pill{font:11px var(--mono);border:1px solid #adbcaf;color:#345645;background:#edf3ec;border-radius:100px;padding:4px 9px;display:inline-block;white-space:nowrap}.pill.planned{background:#f5edda;color:#765925;border-color:#dbcca9}.catalog-tools{display:flex;gap:20px;align-items:center;justify-content:space-between;margin-bottom:30px}.search-label{flex:1;max-width:500px;font:12px var(--mono);display:grid;gap:8px}.search-label input{width:100%;padding:13px 15px;background:white;border:1px solid #a9b6b8;border-radius:5px;font:16px -apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink)}.catalog{display:grid;grid-template-columns:repeat(3,1fr);gap:0 34px}.widget{padding:28px 0;border-top:1px solid var(--line)}.widget-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:15px}.widget .family{font:11px var(--mono);color:var(--muted)}.widget h3{font:600 18px var(--mono);overflow-wrap:anywhere}.widget p{font-size:14px;line-height:1.7;margin-top:12px;color:var(--muted)}.widget .small-link{display:inline-block;font-size:13px;margin-top:17px}.callout{border-left:3px solid var(--blue);padding:20px 25px;background:#e9eee8;font-size:15px;margin-top:26px}.callout p{max-width:none}.gallery-card{padding:36px;background:white;border:1px solid var(--line);border-radius:7px}.gallery-card .language{font:55px/1 var(--serif);color:var(--blue);margin-bottom:35px}.gallery-card h2{font-size:36px}.gallery-card p{font-size:16px;color:var(--muted);margin-top:18px}.gallery-card .button{margin-top:25px}.steps{counter-reset:steps}.step{counter-increment:steps;position:relative;padding:25px 0 25px 55px;border-top:1px solid var(--line)}.step::before{content:'0' counter(steps);position:absolute;left:0;top:28px;font:13px var(--mono);color:var(--blue)}.step p{font-size:16px;color:var(--muted);margin-top:10px}.steps h3{font-size:19px}.host{display:grid;grid-template-columns:.7fr 1fr 1fr;gap:40px;padding:45px 0;border-top:1px solid var(--line);align-items:start}.host h2{font-size:39px}.host p{font-size:16px}.host .number{margin-bottom:18px}.host ul{font-size:15px;color:var(--muted);margin-top:0}.host .codebox{margin-top:20px}.host .codebox pre{font-size:11px;padding:18px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:7px}table{border-collapse:collapse;width:100%;text-align:left;font-size:15px;min-width:640px}th,td{padding:23px;vertical-align:top;border-bottom:1px solid var(--line)}th{font-weight:600;background:#e9ede6}tbody th{background:transparent;white-space:nowrap}td p{font-size:14px}tr:last-child>*{border-bottom:0}.resource{display:grid;grid-template-columns:1fr 1.6fr auto;gap:35px;align-items:center;padding:28px 0;border-top:1px solid var(--line)}.resource h3{font-size:22px}.resource p{font-size:15px;color:var(--muted)}.resource-links{display:grid;gap:7px;font-size:14px;white-space:nowrap}.faq details{border-top:1px solid var(--line);padding:20px 0}.faq summary{font-weight:600}.faq p{margin-top:18px;color:var(--muted);font-size:16px}.cta-band{background:var(--yellow);padding:55px 0}.cta-band .wrap{display:flex;justify-content:space-between;gap:35px;align-items:center}.cta-band h2{font-size:42px}.cta-band .actions{margin:0}.inline-link{color:var(--blue)}.muted{color:var(--muted)}.validation-shot{max-width:480px;margin-inline:auto;width:100%;box-shadow:0 10px 35px #182c3610}.inspector-shot{max-width:440px;margin:auto}.jump-links{display:flex;gap:12px 25px;flex-wrap:wrap;margin-top:25px;font:13px var(--mono)}.rule-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px 45px}.rule-grid article{padding-top:20px;border-top:1px solid var(--line)}.rule-grid p{font-size:15px;color:var(--muted);margin-top:10px}.noscript-note{font-size:14px}
@media(max-width:1000px){.catalog{grid-template-columns:1fr 1fr}.host{grid-template-columns:1fr 1.5fr}.host>div:last-child{grid-column:2}.hero-art{padding:22px 20px 0;min-height:510px}.hero-art img{max-height:460px}.resource{grid-template-columns:1fr 1.4fr}.resource-links{grid-column:2;display:flex;gap:20px}}
@media(max-width:760px){.hero-art{min-height:500px;max-width:540px;width:100%;margin:auto}.art-note{bottom:20px}.flow{grid-template-columns:1fr;gap:12px}.flow>span{transform:rotate(90deg);text-align:center;line-height:1}.flow div{padding:20px}.catalog{grid-template-columns:1fr}.catalog-tools{display:block}.catalog-tools p{margin-top:15px}.host{grid-template-columns:1fr;gap:25px}.host>div:last-child{grid-column:auto}.resource{grid-template-columns:1fr;gap:15px}.resource-links{grid-column:auto}.gallery-card{padding:28px}.large-shot{padding:12px}.cta-band .wrap{display:block}.cta-band .actions{margin-top:25px}.rule-grid{grid-template-columns:1fr}.trustline{gap:16px;font-size:11px;justify-content:space-between}.codebox pre{padding:18px;font-size:12px}.section-heading .small-link{display:inline-block;margin-top:20px}.hero-art .art-top{font-size:10px}}
}

/* Homepage: a complete valid form and its real declaration, without overlays. */
.hero-art.hero-example{min-height:0;padding:26px;overflow:visible}
.hero-example img{width:100%;height:auto;max-height:none;object-fit:contain;border-radius:6px;box-shadow:none}
.hero-recipe{margin-top:24px;border-top:1px solid #b7c6bd;padding-top:21px}
.hero-recipe p{font:10px var(--mono);letter-spacing:.06em;color:#40544c;margin-bottom:12px}
.hero-recipe pre{font-size:15px;line-height:1.6;color:var(--ink)}
.hero-recipe code span{color:#2455a2}
.hero-caption{border-top:1px solid #b7c6bd;padding-top:19px;margin-top:21px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;font-size:12px;color:#40544c}
.hero-caption a{font-weight:600;color:var(--ink)}
@media(max-width:760px){.hero-art.hero-example{padding:19px}.hero-recipe pre{font-size:14px}.hero-caption{gap:9px}}

/* Guided reading and editorial snapshots; these are not simulated application controls. */
.reading-hero{padding-block:58px 54px;max-width:1264px}.reading-hero h1{max-width:18ch;font-size:clamp(2.8rem,5.4vw,5.2rem);margin:20px 0 26px}.reading-hero .lead{max-width:57ch}.breadcrumbs{display:flex;gap:12px;flex-wrap:wrap;font-size:13px;margin-bottom:40px;color:var(--muted)}.reading-meta{font:12px var(--mono);color:var(--muted);margin-top:24px}.reading-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:75px;align-items:start;padding-bottom:80px}.reading-sidebar{position:sticky;top:28px;padding-block:26px;border-top:1px solid var(--line)}.reading-sidebar ol{padding-left:20px;font-size:14px}.reading-sidebar li{padding:7px 0}.reading-sidebar a{text-decoration:none}.reading-sidebar a:hover{text-decoration:underline}.reading-sidebar [aria-current]{color:var(--blue);font-weight:700}.reading-sidebar>.small-link{display:block;margin-top:22px}.reading-body{min-width:0;max-width:820px}.reading-section{padding:34px 0;border-top:1px solid var(--line)}.reading-section h2{font-size:clamp(1.9rem,3vw,2.7rem);letter-spacing:-.035em;line-height:1.12;margin-bottom:25px;max-width:25ch}.reading-section p{max-width:65ch}.reading-section .codebox{margin-top:28px}.reading-section pre{padding:24px;font-size:13px}.reading-section .caption{font-size:13px;color:var(--muted);margin-top:12px}.storyboard{background:var(--mint);padding:28px;margin-bottom:34px;border-radius:8px}.storyboard figcaption{font:11px var(--mono);letter-spacing:.05em;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.storyboard figcaption span{font-size:10px;color:var(--muted);letter-spacing:0}.storyboard dl{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:28px 0 0}.storyboard dt{font-size:12px;color:var(--muted)}.storyboard dd{font-family:var(--serif);font-size:25px;line-height:1.2;margin:9px 0 0;overflow-wrap:anywhere}.prediction{background:#fff8de;border-left:3px solid var(--yellow);padding:24px;margin-top:26px}.prediction .eyebrow{margin-bottom:14px}.prediction details{margin-top:18px}.prediction summary{font-size:14px;font-weight:650}.prediction details p{font-size:15px;margin-top:16px}.chapter-next{display:grid;grid-template-columns:1fr 2fr;gap:25px;background:var(--ink);color:white;padding:28px;margin-block:35px}.chapter-next a{text-decoration:none;font-size:13px}.chapter-next a:hover{color:var(--yellow)}.chapter-next strong{display:block;font:27px/1.15 var(--serif);margin-top:12px}.chapter-next span{font:11px var(--mono);text-transform:uppercase;color:#c0d2cf}.reading-cards{display:grid;gap:12px;margin-top:24px}.reading-card{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 24px;border:1px solid var(--line);background:white;text-decoration:none;font-size:16px}.reading-card:hover{border-color:var(--blue)}.reading-evidence{font-size:14px;border-block:1px solid var(--line);padding:22px 0;color:var(--muted)}.reading-evidence p{margin-top:18px;line-height:2.1}.reading-hub{padding-top:12px}.hub-intro{font-size:20px;margin-bottom:40px}.chapter-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.chapter-card{display:flex;flex-direction:column;align-items:start;padding:34px;background:white;border:1px solid var(--line);text-decoration:none}.chapter-card:hover{border-color:var(--blue)}.chapter-card h2{font-size:34px;line-height:1.13;letter-spacing:-.035em;margin:22px 0 18px;max-width:22ch}.chapter-card p{color:var(--muted);font-size:16px;margin-bottom:24px}.chapter-card .small-link{margin-top:auto}.hub-extra{border-top:1px solid var(--line);margin-top:64px;padding-top:40px}.hub-extra h2{font-size:36px;margin-bottom:24px}.hub-extra>.small-link{display:block;margin-top:24px}.reading-image{margin:15px 0 40px}.reading-image img{max-width:440px;width:100%;height:auto;border:1px solid var(--line)}.tour-invitation{background:var(--mint)}.tour-invitation .chapter-card{background:transparent}.tour-invitation .section-heading p{font-size:18px}
@media(max-width:1000px){.reading-layout{grid-template-columns:190px minmax(0,1fr);gap:35px}.reading-sidebar{font-size:13px}}
@media(max-width:760px){.reading-hero{padding-top:32px}.reading-hero h1{font-size:3rem}.reading-layout{display:block}.reading-sidebar{position:static;margin-bottom:30px;padding-block:20px}.reading-sidebar ol{display:grid;grid-template-columns:1fr 1fr;gap:5px 25px;font-size:12px}.reading-sidebar>.small-link{margin-top:10px}.chapter-grid{grid-template-columns:1fr}.chapter-card{padding:26px}.storyboard{padding:20px}.storyboard dl{grid-template-columns:1fr;gap:17px}.storyboard dl>div{display:flex;align-items:baseline;justify-content:space-between;gap:20px}.storyboard dd{font-size:23px;text-align:right}.chapter-next{grid-template-columns:1fr}.reading-section{padding-block:28px}.reading-section pre{padding:16px;font-size:12px}.breadcrumbs{margin-bottom:25px}.reading-hub .hub-intro{font-size:18px}}

@layer components {
.launch-hero{padding-block:65px 64px}.launch-intro{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:55px;align-items:center;margin-bottom:65px}.launch-intro h1{font-size:clamp(3.2rem,5.7vw,5.3rem);max-width:800px}.launch-intro h1 em{font-style:italic;color:var(--blue)}.launch-intro .lead{margin-top:25px}.launch-recipe{border-top:2px solid var(--blue);padding:25px 0}.launch-recipe .eyebrow{font-size:10px}.launch-recipe code{font-size:inherit}.launch-recipe pre{font-size:14px;padding:20px 14px;background:#e7ede6;border-radius:6px;color:var(--ink);line-height:2.1}.launch-recipe>p:not(.eyebrow){font-size:14px;color:var(--muted);margin-block:20px}.intro-film{scroll-margin-top:25px;background:#e4eae4;border:1px solid #cdd7ce;border-radius:14px;padding:24px}.film-heading{display:flex;justify-content:space-between;align-items:center;gap:25px;padding:3px 10px 25px}.film-heading .eyebrow{font-size:10px;margin-bottom:10px}.film-heading h2{font-size:36px;letter-spacing:-.04em}.film-heading>p{text-align:right;font:11px/1.8 var(--mono);color:var(--muted)}.film-screen{position:relative;background:#13233b;border:1px solid #bcc8c0;border-radius:8px;overflow:hidden;box-shadow:0 16px 35px #172d361a}.film-screen video{display:block;width:100%;aspect-ratio:16/9;background:#f5f7fa}.film-play{position:absolute;left:50%;top:61%;transform:translate(-50%,-50%);display:flex;align-items:center;gap:14px;background:var(--yellow);color:var(--ink);border:1px solid #c99b21;border-radius:50px;padding:15px 23px;white-space:nowrap;font-size:15px;font-weight:650;box-shadow:0 5px 18px #182c3626}.film-play:hover{background:var(--ink);color:white}.film-play span{font-size:17px}.film-tools{display:flex;flex-wrap:wrap;align-items:center;gap:15px 25px;padding:20px 3px 16px;font-size:13px}.film-tools label{display:flex;gap:10px;align-items:center}.film-tools select{font:inherit;background:var(--paper);color:var(--ink);border:1px solid #a0b2a7;border-radius:5px;padding:8px 12px}.film-tools output{color:var(--muted);font-family:var(--mono);font-size:11px}.film-tools>a{margin-left:auto}.film-chapters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}.film-chapters button{text-align:left;display:flex;gap:10px;align-items:baseline;padding:13px 12px;background:#f6f8f3;border:1px solid #c7d2c9;border-radius:5px;color:var(--ink);font-size:12px;line-height:1.4;min-height:47px}.film-chapters button span{font:10px var(--mono);color:var(--blue);white-space:nowrap}.film-chapters button:hover,.film-chapters button[aria-current]{border-color:var(--blue);background:white}.film-caption{font-size:12px;color:var(--muted);margin-top:18px;max-width:none}.intro-film [role=status]:empty{display:none}.intro-film [role=status]{font-size:13px;padding-top:10px}.feature>.small-link{display:inline-block;margin-top:20px}.home-topics{display:grid;gap:0}.home-topics>a{display:grid;gap:7px;text-decoration:none;border-top:1px solid #52636b;padding:21px 0}.home-topics strong{font-size:18px;font-weight:550}.home-topics span{font-size:13px;color:#c2d0d1}.home-topics>a:hover strong{color:var(--yellow)}.lesson-featured{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:45px;border:1px solid var(--line);padding:34px;background:var(--mint);text-decoration:none}.lesson-featured p:not(.eyebrow){margin-block:23px;color:var(--muted)}.lesson-featured img{border:1px solid var(--line);border-radius:6px}.lesson-featured>div{min-width:0}.lesson-featured:hover{border-color:var(--blue)}.lesson-sequence{list-style:none;counter-reset:lesson;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px;padding:0}.lesson-sequence li{counter-increment:lesson;border-top:1px solid var(--line);padding-top:20px;margin:0}.lesson-sequence li:before{content:'0' counter(lesson);font:12px var(--mono);color:var(--blue)}.lesson-sequence h3{margin-block:17px 12px}.lesson-sequence p{font-size:15px;color:var(--muted)}.transcript{max-width:840px;margin-top:36px}.transcript section{padding:25px 0;border-top:1px solid var(--line)}.transcript h3{font-size:18px;margin-bottom:14px}.transcript p{color:var(--muted);font-size:16px}
@media(max-width:1000px){.launch-intro{grid-template-columns:1fr;gap:30px;margin-bottom:40px}.launch-intro h1{font-size:clamp(3.2rem,8vw,5rem)}.launch-recipe{max-width:650px;display:none}.film-chapters{grid-template-columns:repeat(2,minmax(0,1fr))}.lesson-sequence{grid-template-columns:1fr 1fr}.lesson-featured{gap:25px;padding:25px}}
@media(max-width:760px){.launch-hero{padding-block:40px}.launch-intro h1{font-size:clamp(2.7rem,10.5vw,4.5rem)}.launch-intro .lead{font-size:18px}.intro-film{padding:12px;border-radius:9px}.film-heading{display:block;padding:9px 5px 19px}.film-heading h2{font-size:31px}.film-heading>p{text-align:left;font-size:10px;margin-top:12px}.film-heading>p br{display:none}.film-play{font-size:12px;padding:10px 14px;gap:8px;top:54%}.film-tools{gap:13px;font-size:12px}.film-tools>a{margin-left:0}.film-chapters button{font-size:11px;display:block;padding:10px;min-height:60px}.film-chapters button span{display:block;margin-bottom:5px}.film-caption{font-size:11px;line-height:1.65}.lesson-featured,.lesson-sequence{grid-template-columns:1fr}.lesson-featured img{width:100%;max-width:100%;min-width:0}.lesson-sequence{gap:25px}}
}

@layer components {
.launch-brand{min-width:0}
@media(max-width:1000px){.launch-brand .launch-recipe{display:block;max-width:none}.launch-brand{max-width:650px}}
@media(max-width:760px){.launch-brand .launch-recipe pre{font-size:11px}}
@media(prefers-reduced-motion:reduce){body>header,body>main,body>footer{transition:none}}
}

@layer components {
.launch-intro h1{font-size:clamp(3rem,5.1vw,4.7rem)}.launch-intro .lead{max-width:630px}.ownership-band{padding-block:65px;background:#e5eee9;border-block:1px solid var(--line)}.ownership-inner{max-width:1040px}.ownership-inner h2{font-size:clamp(2.3rem,4vw,3.8rem);line-height:1.1;letter-spacing:-.04em}.ownership-inner h2 em{color:var(--blue);font-weight:inherit}.ownership-inner>p:not(.eyebrow){font-size:20px;line-height:1.65;max-width:780px;margin:26px 0}.model-pair{display:grid;grid-template-columns:1fr 90px 1fr;align-items:stretch}.model-pair article{border-top:2px solid var(--blue);padding:28px;background:white;min-width:0}.model-pair article:last-child{border-color:#2e827f;background:#eaf1ec}.model-pair h3{font-size:25px;margin:20px 0 15px}.model-pair p{color:var(--muted);font-size:16px;margin-bottom:25px}.model-pair code{font-size:13px;overflow-wrap:anywhere}.model-connection{display:grid;align-content:center;justify-items:center;font-size:30px;color:var(--muted)}.model-connection span{font:10px var(--mono)}.model-footnote{font-size:14px;color:var(--muted);margin-top:25px}.effort-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px 60px}.effort-grid article{border-top:1px solid var(--line);padding-top:25px}.effort-grid h3{font-size:27px;margin:18px 0}.effort-grid p{color:var(--muted);margin-bottom:20px}.javascript-path{background:#e8edf5}.javascript-path p:not(.lead){margin:25px 0;color:var(--muted)}.bonus-track{padding-block:45px;display:flex;align-items:center;justify-content:space-between;gap:45px;border-top:1px solid var(--line)}.bonus-track h2{font-size:28px;letter-spacing:-.025em}.bonus-track p:not(.eyebrow){font-size:15px;color:var(--muted);max-width:640px;margin-top:17px}.bonus-track>.small-link{flex-shrink:0;font-size:13px}.audience-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:65px;padding-bottom:80px}.audience-toc{position:sticky;top:28px;align-self:start;border-top:1px solid var(--line);padding-top:24px}.audience-toc a{display:block;font-size:13px;margin:18px 0;text-decoration:none}.audience-toc a:hover{text-decoration:underline}.reading-body .reading-section h3{font-size:25px;margin:32px 0 15px}.reading-section p+p{margin-top:20px}.reading-section .codebox+p{margin-top:22px}.reading-section>p+.button{margin-top:22px}.editorial-essay{max-width:850px;padding-bottom:70px}.benefit-list{margin-block:30px}.benefit-list>div{padding-block:20px;border-top:1px solid var(--line)}.benefit-list dt{font-weight:650;margin-bottom:10px}.benefit-list dd{margin:0;color:var(--muted)}.reading-section[id]{scroll-margin-top:25px}
@media(max-width:1100px){.header-inner{width:calc(100% - 40px)}#site-nav{gap:20px}.launch-intro{gap:35px}.audience-layout{gap:35px;grid-template-columns:190px minmax(0,1fr)}}
@media(max-width:760px){.launch-intro h1{font-size:clamp(2.6rem,10.2vw,4rem)}.ownership-band{padding-block:40px}.ownership-inner>p:not(.eyebrow){font-size:17px}.model-pair{grid-template-columns:1fr}.model-connection{padding:15px;transform:none}.model-connection:first-letter{transform:rotate(90deg)}.effort-grid{grid-template-columns:1fr;gap:32px}.bonus-track{display:block;padding-block:35px}.bonus-track>.small-link{display:inline-block;margin-top:24px}.audience-layout{display:block}.audience-toc{position:static;margin-bottom:30px}.audience-toc a{display:inline-block;margin:8px 18px 8px 0}.editorial-essay{padding-bottom:40px}.launch-brand .launch-recipe{display:block}.model-pair article{padding:22px}}
}

@layer components {
.audience-layout .codebox pre,.editorial-essay .codebox pre{font-size:14px;line-height:1.85}.audience-layout .codebox code,.editorial-essay .codebox code{font-size:inherit}
@media(max-width:760px){.audience-layout .codebox pre,.editorial-essay .codebox pre{font-size:12px;padding:16px}}
}

@layer components {
.room-overview{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:70px;align-items:start;padding-bottom:70px}.room-film{display:block;width:100%;aspect-ratio:680/900;border:1px solid var(--line);border-radius:10px;background:var(--paper)}.room-overview .caption,.room-source+.caption{font-size:13px;color:var(--muted);margin-top:20px}.room-explanation h2{font-size:40px;line-height:1.12;letter-spacing:-.035em}.room-explanation ol{padding-left:22px;margin-top:30px}.room-explanation li{margin:22px 0;font-size:17px;line-height:1.65}.room-source pre{font-size:14px;line-height:1.8}.room-source code{font-size:inherit}.room-edits{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.room-edits article{min-width:0;border-top:2px solid var(--blue);padding-top:22px}.room-edits h3{font-size:27px;line-height:1.2;margin:18px 0 28px}.room-edits pre{padding:15px;background:#e5eee9;font-size:12px;border-radius:5px;overflow-x:auto}.room-edits code{font-size:inherit}.room-edits .edit-label{font:10px var(--mono);text-transform:uppercase;letter-spacing:.08em;margin:14px 0 8px}.room-edits p:not(.edit-label){margin:22px 0;font-size:15px;color:var(--muted)}.launch-recipe pre{font-size:12px;line-height:1.8}.launch-recipe pre code{font-size:inherit}
@media(max-width:1000px){.room-overview{gap:35px}.room-edits{grid-template-columns:1fr}.room-edits pre{white-space:pre-wrap;overflow-wrap:anywhere}}
@media(max-width:760px){.room-overview{grid-template-columns:1fr;gap:30px}.room-explanation h2{font-size:33px}.room-source pre{font-size:11px;padding:15px}.launch-recipe pre{font-size:10px}}
}

@layer components {
.stay-chain { list-style:none; padding:0; margin:35px 0; display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px; }
.stay-chain li { margin:0; border-top:3px solid var(--blue); padding:20px; background:#e9eee8; border-radius:0 0 10px 10px; }
.stay-chain span { display:block; font:10px/1.6 var(--mono); letter-spacing:.04em; color:var(--muted); min-height:32px; }
.stay-chain strong { display:block; margin:16px 0; font-size:23px; }
.stay-chain p { font-size:15px; line-height:1.65; }
.stay-result { max-width:850px; }
@media(max-width:1000px){.stay-chain{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(max-width:600px){.stay-chain{grid-template-columns:1fr;}.stay-chain span{min-height:0;}}
}

@layer components {
.stay-inspector-film { display:block; width:100%; aspect-ratio:8/5; background:var(--paper); border:1px solid var(--line); border-radius:10px; }
#inspect-data .caption { font-size:13px; color:var(--muted); margin-block:20px; }
}

@layer components {
.home-proof{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1fr);gap:22px;align-items:center;background:#e5eee9;border:1px solid var(--line);border-radius:12px;padding:25px}.home-proof>.eyebrow{grid-column:1/-1}.home-proof img{width:100%;height:auto;border:1px solid var(--line);border-radius:6px}.home-proof h2{font-size:30px;line-height:1.12}.home-proof p:not(.eyebrow){font-size:14px;margin:18px 0}.home-proof .small-link{font-size:13px}.launch-intro .caption{font-size:13px;margin-top:22px;color:var(--muted)}
.journey-list{list-style:none;padding:0;max-width:950px}.journey-list li{display:grid;grid-template-columns:210px minmax(0,1fr);gap:30px;border-top:1px solid var(--line);padding:32px 0}.journey-list li>span{font:12px/1.7 var(--mono);color:var(--blue)}.journey-list h2{font-size:34px;margin-bottom:18px}.journey-list p{margin-bottom:20px}.route-note{padding:20px;background:var(--mint);border-left:3px solid var(--blue);font-size:15px}.comparison-source{border-top:1px solid var(--line);padding:20px 0}.comparison-source summary{cursor:pointer;font-weight:600;overflow-wrap:anywhere}.comparison-source .codebox{margin-top:20px}.comparison-source pre{max-height:650px;overflow:auto}.next-step{border-top:2px solid var(--blue);padding-block:35px;margin-bottom:50px}.next-step>a{font-family:var(--serif);font-size:clamp(24px,3vw,34px);line-height:1.3;text-decoration:none;display:block;max-width:900px}.editorial-essay .reading-section h3{font-size:23px;margin:28px 0 16px}.editorial-essay .codebox{margin-block:25px}.editorial-essay pre{overflow-x:auto}.split>article .button{margin-top:24px}
@media(max-width:760px){.home-proof{padding:18px;gap:16px}.home-proof h2{font-size:25px}.home-proof p:not(.eyebrow){font-size:13px}.journey-list li{grid-template-columns:1fr;gap:14px}.journey-list h2{font-size:29px}.comparison-source pre{max-height:450px}.next-step{margin-bottom:30px}}
}

@layer components {
.home-definition{padding-top:55px;padding-bottom:30px}.home-definition .launch-intro{margin-bottom:0;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:55px;align-items:start}.home-definition h1{font-size:clamp(2.6rem,4.3vw,4.1rem)}.home-definition .lead{font-size:19px;margin-top:28px}.home-purpose{font-size:16px;color:var(--muted);margin-top:20px}.home-code{min-width:0;background:var(--mint);border:1px solid var(--line);border-radius:12px;padding:26px}.home-code .codebox{margin:18px 0 24px}.home-code pre{font-size:13px;line-height:1.9;padding:20px;overflow-x:auto}.home-code pre code{font-size:inherit}.home-code h2{font-size:30px;line-height:1.15}.home-code>p:not(.eyebrow){font-size:15px;margin-top:17px}.home-code .caption{font-size:12px}.home-first-video{padding-top:35px}.home-capabilities{margin:0}.home-capabilities>div{display:grid;grid-template-columns:260px minmax(0,1fr);gap:35px;padding:25px 0;border-top:1px solid var(--line)}.home-capabilities dt{font-size:21px;font-weight:600}.home-capabilities dd{margin:0;color:var(--muted);max-width:720px}.home-capabilities a{white-space:normal}.home-next-example{background:var(--mint);border-radius:12px;padding:40px}.home-next-example .lead{font-size:18px;margin-top:22px}.home-next-example ol{padding-left:22px;margin-top:0}.home-next-example li{margin-bottom:15px}.home-next-example .caption{font-size:13px;margin-top:20px}
@media(max-width:1000px){.home-definition .launch-intro{grid-template-columns:1fr;gap:30px}.home-code{max-width:700px}.home-definition h1{font-size:clamp(2.6rem,6.5vw,4.1rem)}}
@media(max-width:760px){.home-definition{padding-top:35px}.home-code{padding:18px}.home-code pre{font-size:11px;padding:13px}.home-definition .lead{font-size:18px}.home-capabilities>div{grid-template-columns:1fr;gap:10px}.home-capabilities dt{font-size:20px}.home-capabilities dd{font-size:16px}.home-next-example{padding:25px}.home-first-video{padding-top:20px}}
}

/* Homepage: definition, three direct actions, optional introduction. */
@layer components {
.home-start{padding-block:48px 32px;max-width:1264px}.home-start .eyebrow{margin-bottom:16px}.home-start h1{font-size:clamp(2.7rem,5vw,4.6rem);line-height:1.06}.home-start h1 em{font-style:normal;color:var(--blue)}.home-start .lead{max-width:780px;margin-top:22px;font-size:19px;line-height:1.6}
.home-access{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;padding-bottom:50px}.home-access-card{min-width:0;display:flex;flex-direction:column;align-items:start;padding:27px;border:1px solid var(--line);border-radius:10px;background:var(--white)}.home-access-python{border-top:3px solid var(--blue);padding-top:25px}.home-access-offline{background:#edf1e9}.home-access-card .eyebrow{font-size:10px;letter-spacing:.07em;margin-bottom:17px}.home-access-card h2{font-size:29px;line-height:1.15;letter-spacing:-.025em}.home-access-card>p:not(.eyebrow){font-size:15px;color:var(--muted);line-height:1.6;margin:17px 0 24px;flex:1}.home-access-card .button{width:100%;padding:12px 14px;gap:10px;font-size:14px;justify-content:space-between}.home-access-card .small-link{font-size:12px;margin-top:16px}
.home-introduction{border-top:1px solid var(--line);padding-block:42px 54px}.home-model{max-width:790px;font-size:18px;color:var(--muted);margin-bottom:30px}.home-model strong{display:block;color:var(--ink);font-weight:600}.home-introduction .intro-film{margin-top:0}.home-discover{display:flex;flex-wrap:wrap;gap:16px 32px;margin-top:28px;font-size:14px}
@media(max-width:1000px){.home-access{gap:14px}.home-access-card{padding:20px}.home-access-python{padding-top:18px}.home-access-card h2{font-size:25px}.home-access-card .button{font-size:12px;padding:12px 10px}}
@media(max-width:760px){.home-start{padding-block:32px 24px}.home-start .lead{font-size:17px;margin-top:18px}.home-access{grid-template-columns:1fr;gap:14px;padding-bottom:32px}.home-access-card{padding:22px}.home-access-card h2{font-size:27px}.home-access-card .eyebrow{margin-bottom:10px}.home-access-card>p:not(.eyebrow){margin:12px 0 18px}.home-access-card .button{font-size:14px}.home-introduction{padding-block:30px}.home-model{font-size:16px}.home-discover{display:grid}}
}

/* Two-stage learning route, shared with the existing editorial shell. */
@layer components {
.course-index{padding-bottom:80px}.course-module{padding-block:56px;border-top:1px solid var(--line)}.course-module>h2{max-width:850px;margin-bottom:24px}.course-module>p{margin-bottom:24px}.course-invitation{background:var(--mint);border:1px solid var(--line);border-radius:8px;padding:44px}.module-overview{margin-block:28px}.lesson-list{list-style:none;padding:0;margin:30px 0 0}.lesson-list>li{display:grid;grid-template-columns:54px minmax(0,1fr);gap:22px;padding:24px 0;border-top:1px solid var(--line);margin:0}.lesson-number{font:15px/1.5 var(--mono);color:var(--blue);padding-top:2px}.lesson-list h3{font-size:23px;margin-bottom:8px}.lesson-list h3 a{text-decoration:none}.lesson-list h3 a:hover{text-decoration:underline}.lesson-list p{color:var(--muted);font-size:16px;max-width:80ch}.course-contract{max-width:850px;padding-bottom:48px}.course-contract h2{font-size:34px;margin-bottom:24px}.course-modules{display:flex;flex-wrap:wrap;gap:12px;padding-block:24px;border-top:1px solid var(--line)}.course-modules a{font-size:14px;padding:9px 14px;border:1px solid var(--line);border-radius:4px;text-decoration:none}.course-modules a:hover{background:var(--mint)}.lesson-exercise{background:var(--mint);padding:28px;border-radius:6px}.lesson-exercise h2{font-size:32px}.lesson-exercise ol{margin-bottom:0}.lesson-pagination{display:flex;justify-content:space-between;gap:32px;border-top:1px solid var(--line);padding-block:32px 64px}.lesson-pagination a{max-width:46%;font-size:16px}.lesson-pagination a:last-child{text-align:right}.home-learning{display:flex;align-items:center;justify-content:space-between;gap:48px;padding-block:44px;border-top:1px solid var(--line)}.home-learning h2{font-size:clamp(2rem,3.4vw,3rem);margin-bottom:20px}.home-learning p{max-width:62ch}.home-learning .eyebrow{margin-bottom:14px}.home-learning .actions{flex-direction:column;align-items:flex-start;flex-shrink:0;margin:0}.reading-body,.reading-section{min-width:0}.lesson-exercise li{overflow-wrap:anywhere}
@media(max-width:760px){.course-module{padding-block:36px}.course-invitation{padding:26px 20px}.lesson-list>li{grid-template-columns:30px minmax(0,1fr);gap:14px}.lesson-list h3{font-size:21px}.course-contract h2{font-size:29px}.lesson-pagination{gap:20px;padding-bottom:40px}.lesson-pagination a{font-size:14px}.lesson-exercise{padding:22px 18px}.home-learning{display:block;padding-block:32px}.home-learning .actions{margin-top:24px;align-items:flex-start}.course-index{padding-bottom:48px}}
}

/* The complete syllabus is browsable from Learn without JavaScript. */
@layer components {
.course-outline{margin-block:30px}.course-outline details{border-top:1px solid var(--line)}.course-outline details:last-child{border-bottom:1px solid var(--line)}.course-outline summary{padding:22px 0;cursor:pointer;font-size:21px}.course-outline summary .eyebrow{display:inline-block;margin:0 18px 0 8px}.module-count{display:inline-block;margin-left:18px;font:12px var(--mono);color:var(--muted)}.course-outline .lesson-list{margin:0 0 20px}.lesson-context{border-top:1px solid var(--line);margin-top:28px;padding-top:24px}.lesson-context ul{list-style:none;padding:0;margin:14px 0 0;font-size:13px;line-height:1.5}.lesson-context li{padding:8px 0}.lesson-context a{display:block}.lesson-context a[aria-current]{text-decoration:underline;text-underline-offset:4px}
@media(max-width:760px){.course-outline summary{font-size:18px}.course-outline summary .eyebrow{margin-right:8px;font-size:10px}.module-count{display:block;margin:8px 0 0 24px}.lesson-context ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 20px}.lesson-context li{min-width:0}}
}

/* Shared learning pattern with the Asqueel site: contents, search, lesson rows. */
.learn-head.wrap,.learn-layout.wrap,.learn-resources.wrap{max-width:1280px;padding-inline:48px}
.learn-head{padding-block:64px 46px}
.learn-head h1{font-size:clamp(44px,5.4vw,78px);max-width:950px;letter-spacing:-.04em;line-height:1.08;margin-top:20px}
.learn-head h1 em{font-style:normal;color:var(--blue)}
.learn-head .lead{max-width:770px;margin-top:22px;font-size:19px}
.learn-head .actions{margin-top:24px}
.learn-toolbar{display:flex;align-items:center;gap:24px;margin-block:25px}
.learn-toolbar label{font:12px var(--mono);white-space:nowrap}
.learn-toolbar input{padding:12px 16px;width:100%;max-width:470px;min-width:0;background:white;border:1px solid var(--line);border-radius:0;font:inherit;font-size:16px;color:var(--ink)}
.learn-toolbar [role=status]{font:12px var(--mono);color:var(--muted)}
.learn-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:55px;padding-bottom:50px}
.learn-nav{position:sticky;top:28px;align-self:start;max-height:calc(100vh - 56px);overflow:auto}
.learn-nav>.eyebrow{margin-bottom:16px}
.learn-toc details{padding-block:10px;border-bottom:1px solid var(--line)}
.learn-toc summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--blue)}
.learn-toc ol{list-style:none;padding:8px 0 0;margin:0}
.learn-toc li{margin:0}
.learn-toc li a{display:block;padding:7px 0;font-size:12px;line-height:1.5;text-decoration:none}
.learn-toc li a span{font:10px var(--mono);color:var(--muted);margin-right:5px}
.learn-toc a:hover{text-decoration:underline}
.learn-toc a[aria-current=page]{font-weight:700;color:var(--blue)}
.learn-content{min-width:0}
.learn-module{margin-bottom:44px;scroll-margin-top:28px}
.learn-module h2{font-size:34px;margin-top:12px;letter-spacing:-.03em}
.learn-module>p:not(.eyebrow){font-size:14px;color:var(--muted);margin-top:12px;margin-bottom:22px}
.learn-lesson{display:grid;grid-template-columns:38px minmax(0,1fr) auto;gap:16px;padding:18px 0;text-decoration:none;border-top:1px solid var(--line);align-items:baseline}
.learn-number{font:11px var(--mono);color:var(--blue)}
.learn-lesson strong{font-size:16px;font-weight:500}
.learn-lesson small{font:11px var(--mono);color:var(--muted);white-space:nowrap}
.learn-goal{display:block;font-size:12px;line-height:1.7;color:var(--muted);margin-top:6px}
.learn-lesson:hover strong{color:var(--blue);text-decoration:underline}
.learn-course-marker{padding:12px 0 30px;scroll-margin-top:28px}
.learn-prerequisites{margin-bottom:38px;max-width:850px;font-size:14px}
.learn-prerequisites summary{cursor:pointer;color:var(--blue)}
.learn-prerequisites p{margin-top:16px}
.learn-resources{padding-bottom:65px}
.learn-resources h2{font-size:34px;margin-block:18px}
.learn-resources>p:not(.eyebrow){font-size:15px;max-width:770px;color:var(--muted)}
.learn-lesson-toc{margin-top:24px;max-width:640px}
.learn-lesson-toc>summary{cursor:pointer;color:var(--blue);font-size:14px}
.learn-lesson-head h1{font-size:clamp(36px,4.2vw,57px);max-width:1000px}
@media(max-width:1000px){.learn-layout{grid-template-columns:180px minmax(0,1fr);gap:30px}.learn-lesson{grid-template-columns:28px minmax(0,1fr)}.learn-lesson small{grid-column:2}}
@media(max-width:760px){.learn-head{padding-block:40px 32px}.learn-head h1{font-size:44px}.learn-head .lead{font-size:17px}.learn-toolbar{flex-wrap:wrap;gap:12px}.learn-toolbar label{width:100%}.learn-toolbar input{max-width:none;flex:1}.learn-layout{display:block}.learn-nav{position:static;max-height:none;margin-bottom:36px}.learn-module h2{font-size:30px}.learn-lesson{gap:8px 12px}.learn-lesson-head h1{font-size:36px}.learn-lesson-toc{margin-top:20px}}

.learn-start{display:grid;gap:14px;margin-top:24px;font-size:13px}
@media(max-width:1000px){.learn-head.wrap,.learn-layout.wrap,.learn-resources.wrap{padding-inline:30px}}
@media(max-width:760px){.learn-head.wrap,.learn-layout.wrap,.learn-resources.wrap{padding-inline:23px}}

/* Lesson media follows the shared Asqueel lesson layout. */
.lesson-meta{display:flex;flex-wrap:wrap;gap:12px 24px;font:12px/1.7 var(--mono);color:var(--muted);margin-top:24px}
.lesson-media.wrap{width:100%;max-width:1180px;margin:0 auto 48px;padding-inline:40px}
.lesson-video-label{display:flex;justify-content:space-between;gap:20px;margin-bottom:16px;font:12px/1.6 var(--mono);color:var(--blue)}
.lesson-media video{display:block;width:100%;aspect-ratio:16/9;border:1px solid var(--line);background:#102129}
.lesson-steps{display:flex;justify-content:space-between;gap:28px;border-block:1px solid var(--line);padding-block:22px;margin-bottom:28px}
.lesson-steps>div{max-width:46%;min-width:0}
.lesson-steps>div:last-child{text-align:right}
.lesson-steps a{font-size:14px;color:var(--blue);text-decoration:none}
.lesson-steps a:hover{text-decoration:underline}
.lesson-steps small{display:block;font-size:12px;color:var(--muted);margin-top:7px;overflow-wrap:anywhere}
.lesson-media .lesson-steps{margin-top:18px;margin-bottom:24px}
.lesson-video-tools{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;font-size:13px}
.lesson-video-tools label{display:flex;align-items:center;gap:10px}
.lesson-video-tools select,.lesson-video-tools button{font:inherit;color:var(--ink);background:var(--paper);border:1px solid var(--line);padding:9px 12px}
.lesson-video-tools button[aria-pressed=true]{background:var(--ink);color:white}
.lesson-video-chapters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-block:24px}
.lesson-video-chapters button{display:flex;align-items:baseline;gap:12px;text-align:left;padding:13px 14px;border:1px solid var(--line);color:var(--ink);background:transparent;font:inherit;font-size:13px;line-height:1.6}
.lesson-video-chapters button span{font:11px var(--mono);color:var(--blue)}
.lesson-video-chapters button:hover,.lesson-video-chapters button[aria-current]{border-color:var(--blue);background:white}
.lesson-video-note,.lesson-media [role=status]{font-size:13px;color:var(--muted)}
.lesson-media [role=status]:empty{display:none}
.lesson-materials{display:flex;gap:16px 28px;flex-wrap:wrap;margin-block:24px;font-size:14px}
.lesson-transcript{border-block:1px solid var(--line);padding-block:20px}
.lesson-transcript summary{cursor:pointer;font-size:14px;color:var(--blue)}
.lesson-transcript p{font-size:15px;margin-top:18px;max-width:75ch}
.lesson-transcript p span{font:11px var(--mono);color:var(--muted);margin-right:12px}
@media(max-width:760px){.lesson-media.wrap{padding-inline:23px}.lesson-video-label{flex-wrap:wrap;gap:8px;font-size:11px}.lesson-video-chapters{grid-template-columns:1fr}.lesson-video-tools{gap:12px 18px}.lesson-meta{font-size:11px}.lesson-steps{gap:20px}.lesson-steps a{font-size:13px}.lesson-materials{display:grid;gap:14px}}
.orientation-video-status{font-size:13px;color:var(--muted);margin-top:24px;padding-top:16px;border-top:1px solid var(--line);max-width:640px}