/* Amiga · Обучение ИИ — стили по дизайн-хендоффу (design_handoff_amiga_ai_learning, сентябрь 2026) */
@font-face{font-family:"Manrope";font-weight:400;font-display:swap;src:url(fonts/Manrope-Regular.woff2) format("woff2")}
@font-face{font-family:"Manrope";font-weight:500;font-display:swap;src:url(fonts/Manrope-Medium.woff2) format("woff2")}
@font-face{font-family:"Manrope";font-weight:600;font-display:swap;src:url(fonts/Manrope-SemiBold.woff2) format("woff2")}
@font-face{font-family:"Manrope";font-weight:700;font-display:swap;src:url(fonts/Manrope-Bold.woff2) format("woff2")}
/* Martian Mono SemiExpanded с amiga.ru: 300, 400, 500 (используем как 600), 700 */
@font-face{font-family:"Martian Mono";font-weight:300;font-display:swap;src:url(fonts/MartianMono-Light.woff2) format("woff2")}
@font-face{font-family:"Martian Mono";font-weight:400;font-display:swap;src:url(fonts/MartianMono-Regular.woff2) format("woff2")}
@font-face{font-family:"Martian Mono";font-weight:500 600;font-display:swap;src:url(fonts/MartianMono-Medium.woff2) format("woff2")}
@font-face{font-family:"Martian Mono";font-weight:700;font-display:swap;src:url(fonts/MartianMono-Bold.woff2) format("woff2")}

:root{
  --c-navy:#211C45; --c-yellow:#E3A422; --c-lavender:#DFDBEE; --c-grey:#F4F4F4;
  --c-yellow-text:#875C03; --c-muted:#5A5678; --c-red:#BD2F26;
  --c-line-dark:rgba(223,219,238,.2); --c-line-dark-2:rgba(223,219,238,.35);
  --c-navy-hover:#2b2558; --c-yellow-hover:#f0b53a; --c-row-hover-warm:#fffaf0;
  --shadow-card:0 16px 32px rgba(33,28,69,.08); --shadow-dropdown:0 24px 48px rgba(33,28,69,.18);
  --f-mono:"Martian Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --f-text:Manrope,system-ui,-apple-system,"Segoe UI",sans-serif;
  --container:1200px; --container-lesson:1400px; --measure:720px; --toc-w:280px;
  --pad-x:clamp(20px,4vw,48px); --section-gap:clamp(72px,8vw,120px); --section-pad:clamp(56px,7vw,96px);
  --header-h:72px; --btn-h:48px; --btn-h-sm:40px; --ease:.25s ease;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:clip;background:#fff;color:var(--c-navy);font-family:var(--f-text);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased;min-height:100vh;display:flex;flex-direction:column}
main{flex:1}
img{max-width:100%;height:auto}
a{color:var(--c-navy)}
a:hover{color:var(--c-yellow-text)}
h1,h2,h3{font-family:var(--f-mono);font-weight:600;margin:0}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:var(--container);margin:0 auto;padding:0 var(--pad-x)}
.wrap-l{max-width:var(--container-lesson);margin:0 auto;padding:0 var(--pad-x)}
.label{font-family:var(--f-mono);font-size:12px;letter-spacing:.04em;color:var(--c-yellow-text)}
.mono{font-family:var(--f-mono)}
.sq{display:inline-block;width:10px;height:10px;background:var(--c-yellow);flex:none}
.sq-all{background:var(--c-lavender);border:1px solid var(--c-navy)}

/* кнопки */
.btn{display:inline-flex;align-items:center;justify-content:center;height:var(--btn-h);padding:0 24px;background:var(--c-yellow);color:var(--c-navy);text-decoration:none;font-family:var(--f-mono);font-weight:600;font-size:14px;border:1px solid var(--c-yellow);cursor:pointer;white-space:nowrap;transition:background var(--ease),border-color var(--ease),color var(--ease)}
.btn:hover{background:var(--c-yellow-hover);border-color:var(--c-yellow-hover);color:var(--c-navy)}
.btn-outline{background:transparent;border-color:var(--c-lavender);color:#fff}
.btn-outline:hover{background:transparent;border-color:var(--c-yellow);color:var(--c-yellow)}
.btn-line{background:#fff;border-color:var(--c-navy);color:var(--c-navy);height:var(--btn-h-sm);padding:0 18px;font-size:12px}
.btn-line:hover{background:var(--c-navy);border-color:var(--c-navy);color:#fff}

/* шапка */
.hdr{background:var(--c-navy);color:var(--c-lavender);position:sticky;top:0;z-index:40}
.hdr-in{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:14px;text-decoration:none;color:var(--c-lavender)}
.brand img{height:22px;width:auto;display:block}
.brand-sub{font-family:var(--f-mono);font-size:12px;letter-spacing:.04em;text-transform:uppercase;border-left:1px solid var(--c-line-dark-2);padding-left:14px;line-height:1}
.nav{display:flex;gap:32px;font-family:var(--f-mono);font-size:13px}
.nav a{color:var(--c-lavender);text-decoration:none;padding:4px 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--c-yellow)}
.nav a[aria-current]{color:#fff;border-bottom-color:var(--c-yellow)}
.burger{display:none;align-items:center;justify-content:center;width:44px;height:44px;background:none;border:1px solid var(--c-line-dark-2);color:var(--c-lavender);cursor:pointer;font-family:var(--f-mono);font-size:16px;line-height:1}
.mnav{display:none;flex-direction:column;border-top:1px solid var(--c-line-dark);padding:12px var(--pad-x) 24px;font-family:var(--f-mono);font-size:15px}
.mnav a{color:var(--c-lavender);text-decoration:none;padding:14px 0;border-bottom:1px solid rgba(223,219,238,.15)}
.mnav a:last-child{border-bottom:0}
.mnav a[aria-current]{color:#fff}
.mnav.open{display:flex}

/* hero */
.hero{background:var(--c-navy);color:#fff;overflow:hidden}
.hero-in{padding:clamp(56px,8vw,112px) var(--pad-x) clamp(56px,7vw,96px);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:clamp(40px,6vw,80px);align-items:center}
.hero-text{display:flex;flex-direction:column;gap:28px;min-width:0}
.hero h1{font-size:clamp(28px,3vw,44px);line-height:1.15;letter-spacing:-.02em;text-wrap:pretty}
.hero p{margin:0;font-size:clamp(16px,1.2vw,18px);line-height:1.55;color:var(--c-lavender);max-width:52ch;text-wrap:pretty}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-num{position:relative;min-width:0;display:flex;flex-direction:column;font-family:var(--f-mono);line-height:.85;user-select:none}
.hero-num div{display:flex;align-items:baseline;gap:20px}
.hero-num div+div{padding-top:28px}
.hero-num b{font-size:clamp(96px,12vw,184px);font-weight:700;color:var(--c-yellow);letter-spacing:-.05em}
.hero-num i{font-style:normal;font-size:clamp(96px,12vw,184px);font-weight:300;color:transparent;-webkit-text-stroke:1.5px var(--c-lavender);letter-spacing:-.05em}
.hero-num span{font-size:14px;color:var(--c-lavender);letter-spacing:.04em;line-height:1.4;padding-bottom:10px}

/* поиск */
.search-bar{background:var(--c-grey);border-bottom:1px solid var(--c-lavender)}
.search{position:relative}
.search-row{display:flex;align-items:center;gap:12px;height:64px;padding:0 4px}
.search-row>span{font-family:var(--f-mono);color:var(--c-yellow-text);font-size:16px}
.search input{flex:1;min-width:0;background:none;border:0;outline:0;color:var(--c-navy);font-family:var(--f-text);font-size:16px}
.search input::placeholder{color:var(--c-muted)}
.search-esc{background:none;border:0;color:var(--c-muted);cursor:pointer;font-family:var(--f-mono);font-size:12px;padding:8px}
.search-esc[hidden]{display:none}
.search-results{position:absolute;left:0;right:0;top:64px;background:#fff;color:var(--c-navy);box-shadow:var(--shadow-dropdown);border:1px solid var(--c-lavender);z-index:30;max-height:420px;overflow:auto}
.search-results:empty{display:none}
.search-results a{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:baseline;padding:14px 18px;border-bottom:1px solid var(--c-grey);text-decoration:none;color:var(--c-navy)}
.search-results a:hover{background:var(--c-grey)}
.search-results .kind{font-family:var(--f-mono);font-size:11px;color:var(--c-yellow-text);text-transform:uppercase;letter-spacing:.06em}
.search-results .t{font-size:15px;font-weight:600;line-height:1.3}
.search-results .t span{display:block;font-weight:400;color:var(--c-muted);font-size:13px;margin-top:2px}
.search-results .meta{font-family:var(--f-mono);font-size:12px;color:var(--c-muted)}
.search-results .none{padding:28px 18px;display:flex;flex-direction:column;gap:8px}
.search-results .none b{font-family:var(--f-mono);font-size:14px;font-weight:600}
.search-results .none span{font-size:14px;color:var(--c-muted);line-height:1.5}
.search-results .none a{display:inline;padding:0;border:0;text-decoration:underline;text-decoration-color:var(--c-yellow)}

/* треки и карточки */
.track{padding-top:var(--section-pad)}
.track-head{display:flex;flex-direction:column;gap:12px;margin-bottom:32px;padding-bottom:20px;border-bottom:1px solid var(--c-lavender)}
.track-head div{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.track-head .sq{width:12px;height:12px}
.track-head h2,.h2{font-size:clamp(24px,2.2vw,32px);letter-spacing:-.02em;line-height:1.15}
.track-head .count{font-family:var(--f-mono);font-size:13px;color:var(--c-muted);margin-left:auto}
.track-head p,.sec-desc{margin:0;font-size:16px;line-height:1.5;color:var(--c-muted);text-wrap:pretty}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:16px}
.card{position:relative;display:flex;flex-direction:column;gap:14px;min-height:280px;padding:24px;border:1px solid var(--c-lavender);background:#fff;text-decoration:none;color:var(--c-navy);transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease)}
.card:hover{transform:translateY(-4px);border-color:var(--c-yellow);box-shadow:var(--shadow-card);color:var(--c-navy)}
.card-top{display:flex;justify-content:space-between;align-items:flex-start}
.card-num{font-family:var(--f-mono);font-weight:300;font-size:40px;line-height:1;letter-spacing:-.04em}
.card-track{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--c-muted);padding:6px 10px;background:var(--c-grey)}
.card-track .sq{width:8px;height:8px}
.card-mid{flex:1;display:flex;flex-direction:column;gap:10px}
.card-title{font-family:var(--f-mono);font-weight:600;font-size:17px;line-height:1.3;letter-spacing:-.01em;text-wrap:pretty}
.card-short{font-size:15px;line-height:1.5;color:var(--c-muted);text-wrap:pretty}
.card-bottom{display:flex;justify-content:space-between;align-items:flex-end;gap:12px}
.card-meta{font-family:var(--f-mono);font-size:12px;color:var(--c-muted);display:flex;gap:14px}
.card-glyph{font-family:var(--f-mono);font-size:28px;line-height:1;color:var(--c-yellow)}
.card-progress{display:flex;align-items:center;gap:10px;margin-top:-4px}
.card-progress[hidden]{display:none}
.bar{flex:1;height:3px;background:var(--c-grey)}
.bar i{display:block;height:100%;background:var(--c-yellow);width:0}
.card-progress span{font-family:var(--f-mono);font-size:11px;color:var(--c-yellow-text)}

/* роли */
.roles{margin-top:var(--section-gap)}
.roles-in{background:var(--c-grey);padding:clamp(28px,4vw,56px)}
.roles-head{display:flex;flex-direction:column;gap:12px;margin-bottom:28px}
.role-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:28px}
.role-tabs button{height:40px;padding:0 16px;border:1px solid var(--c-lavender);background:#fff;color:var(--c-navy);cursor:pointer;font-family:var(--f-mono);font-size:13px}
.role-tabs button:hover{border-color:var(--c-navy)}
.role-tabs button[aria-selected="true"]{border-color:var(--c-navy);background:var(--c-navy);color:#fff;font-weight:600}
.role-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:1px;background:var(--c-lavender);border:1px solid var(--c-lavender)}
.role-list[hidden]{display:none}
html:not(.js) .role-list[hidden]{display:grid}
.role-list li{background:#fff}
.role-list a{display:grid;grid-template-columns:44px 1fr;gap:12px;padding:20px 20px 20px 16px;text-decoration:none;color:var(--c-navy);height:100%}
.role-list a:hover{background:var(--c-row-hover-warm)}
.role-list .step{font-family:var(--f-mono);font-weight:600;font-size:22px;line-height:1;color:var(--c-yellow)}
.role-list .rt{display:flex;flex-direction:column;gap:6px}
.role-list .rt b{font-family:var(--f-mono);font-weight:600;font-size:14px;line-height:1.35}
.role-list .rt span{font-size:14px;line-height:1.5;color:var(--c-muted)}
.role-list .rt small{font-family:var(--f-mono);font-size:11px;color:var(--c-muted);margin-top:2px}

/* как устроено */
.how{margin-top:var(--section-gap)}
.how>h2{margin-bottom:36px}
.how-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:40px 32px}
.how-grid>div{border-top:2px solid var(--c-navy);padding-top:20px;display:flex;flex-direction:column;gap:12px}
.how-grid .idx{font-family:var(--f-mono);font-size:12px;color:var(--c-yellow-text)}
.how-grid h3{font-size:17px;line-height:1.3}
.how-grid p{margin:0;font-size:15px;line-height:1.55;color:var(--c-muted);text-wrap:pretty}
.how-grid a{text-decoration:underline;text-decoration-color:var(--c-yellow);text-underline-offset:3px}

/* Amiga — заказная разработка */
.promo{background:var(--c-navy);color:#fff;margin-top:var(--section-gap)}
.promo-in{padding:var(--section-pad) var(--pad-x);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr));gap:clamp(32px,5vw,72px)}
.promo-text{display:flex;flex-direction:column;gap:24px}
.promo-text .label{color:var(--c-yellow)}
.promo h2{font-size:clamp(26px,2.8vw,40px);letter-spacing:-.02em;line-height:1.15;text-wrap:pretty}
.promo-text>p{margin:0;font-size:17px;line-height:1.55;color:var(--c-lavender);text-wrap:pretty}
.promo-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.promo-contacts{display:flex;flex-wrap:wrap;gap:8px 28px;font-family:var(--f-mono);font-size:14px}
.promo-contacts a{color:var(--c-lavender);text-decoration:none;border-bottom:1px solid rgba(223,219,238,.4)}
.promo-contacts a:hover{color:var(--c-yellow)}
.promo-side{display:flex;flex-direction:column;justify-content:space-between;gap:32px}
.promo-services{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:0 24px;font-family:var(--f-mono);font-size:14px;line-height:1.3}
.promo-services li{padding:14px 0;border-bottom:1px solid var(--c-line-dark);display:flex;gap:12px}
.promo-services span{color:var(--c-yellow)}
.promo-clients{margin:0;font-size:14px;line-height:1.5;color:var(--c-lavender)}
.promo-compact{margin-top:clamp(40px,5vw,64px);border-top:1px solid var(--c-lavender);padding:24px 0;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px;font-size:14px;line-height:1.5;color:var(--c-muted)}
.promo-compact p{margin:0;max-width:70ch}
.promo-compact strong{color:var(--c-navy);font-weight:600}
.promo-compact .btn-line{white-space:nowrap}

/* футер */
.ftr{background:var(--c-navy);color:var(--c-lavender);margin-top:clamp(48px,6vw,80px);border-top:1px solid rgba(223,219,238,.15)}
.p-index .ftr{margin-top:0} /* на главной перед футером тёмный блок Amiga — без белой полосы */
.ftr-in{padding:56px var(--pad-x) 32px;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,220px),1fr));gap:40px}
.ftr-brand{display:flex;flex-direction:column;gap:20px}
.ftr-brand img{height:24px;width:auto;display:block}
.ftr-brand p{margin:0;font-size:14px;line-height:1.55;max-width:34ch}
.ftr-col{display:flex;flex-direction:column;gap:12px;font-size:14px}
.ftr-col b{font-family:var(--f-mono);font-weight:400;font-size:12px;letter-spacing:.04em;color:var(--c-yellow);margin-bottom:6px}
.ftr-col a{color:var(--c-lavender);text-decoration:none}
.ftr-col a:hover{color:var(--c-yellow)}
.ftr-bottom{padding:20px var(--pad-x) 32px;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 24px;border-top:1px solid rgba(223,219,238,.15);font-family:var(--f-mono);font-size:12px;color:var(--c-lavender)}
.ftr .amiga{display:inline-flex;align-items:center;gap:10px;color:var(--c-lavender);text-decoration:none}
.ftr .amiga:hover{color:var(--c-yellow)}
.ftr .amiga img{height:12px;width:auto}

/* крошки */
.crumbs{display:flex;flex-wrap:wrap;gap:10px;font-family:var(--f-mono);font-size:12px;color:var(--c-muted)}
.crumbs a{color:var(--c-muted);text-decoration:none}
.crumbs a:hover{color:var(--c-yellow-text)}
.crumbs span[aria-current]{color:var(--c-navy)}
.crumbs .sep{color:var(--c-muted)}

/* страница курса */
.course-head{background:var(--c-navy);color:#fff}
.course-head-in{padding:clamp(32px,4vw,56px) var(--pad-x) clamp(40px,5vw,64px);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,420px),1fr));gap:clamp(32px,5vw,72px);align-items:end}
.course-head .crumbs{color:var(--c-lavender)}
.course-head .crumbs a{color:var(--c-lavender)}
.course-head .crumbs a:hover{color:var(--c-yellow)}
.course-head .crumbs span[aria-current]{color:#fff}
.course-head .crumbs .sep{opacity:.5;color:var(--c-lavender)}
.course-main{display:flex;flex-direction:column;gap:20px;min-width:0}
.course-track{display:flex;align-items:center;gap:10px;font-family:var(--f-mono);font-size:12px;letter-spacing:.04em;color:var(--c-yellow)}
.course-head h1{font-size:clamp(30px,3.4vw,50px);line-height:1.1;letter-spacing:-.02em}
.course-head .lead{margin:0;font-size:clamp(16px,1.2vw,18px);line-height:1.55;color:var(--c-lavender);max-width:62ch;text-wrap:pretty}
.course-actions{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px;margin-top:8px}
.course-progress{display:flex;align-items:center;gap:12px;min-width:200px;flex:1;max-width:320px}
.course-progress .bar{background:rgba(223,219,238,.25)}
.course-progress span{font-family:var(--f-mono);font-size:12px;color:var(--c-lavender);white-space:nowrap}
.facts{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1px;background:rgba(223,219,238,.25);border:1px solid rgba(223,219,238,.25);margin:0}
.facts div{background:var(--c-navy);padding:20px;display:flex;flex-direction:column;gap:10px}
.facts dt{font-family:var(--f-mono);font-size:11px;letter-spacing:.04em;color:var(--c-yellow)}
.facts dd{margin:0;font-size:15px;line-height:1.5;color:#fff}
.program{padding-top:clamp(40px,5vw,72px);display:flex;flex-direction:column;gap:40px}
.module-head{display:flex;gap:14px;align-items:baseline;margin-bottom:16px}
.module-head h2{font-size:clamp(20px,1.8vw,24px);letter-spacing:-.01em;line-height:1.2}
.lessons{list-style:none;margin:0;padding:0;border-top:1px solid var(--c-lavender)}
.lessons li{border-bottom:1px solid var(--c-lavender)}
.lessons a{display:grid;grid-template-columns:48px minmax(0,1fr) auto;gap:16px;align-items:start;padding:18px 8px;text-decoration:none;color:var(--c-navy)}
.lessons a:hover{background:var(--c-grey)}
.lesson-n{font-family:var(--f-mono);font-size:15px;color:var(--c-muted);padding-top:2px}
.lesson-t{display:flex;flex-direction:column;gap:6px;min-width:0}
.lesson-t b{font-family:var(--f-mono);font-weight:600;font-size:16px;line-height:1.35}
.lesson-t span{font-size:14px;line-height:1.5;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.lesson-r{display:flex;align-items:center;gap:14px;font-family:var(--f-mono);font-size:12px;color:var(--c-muted);padding-top:3px;white-space:nowrap}
.check{width:22px;height:22px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--c-lavender);color:var(--c-navy);font-size:12px}
.is-done .check{background:var(--c-yellow);border-color:var(--c-yellow)}
.is-done .check::before{content:"✓"}
.source{margin-top:56px;padding:20px 24px;background:var(--c-grey);display:flex;gap:16px;align-items:baseline;flex-wrap:wrap;font-size:14px;line-height:1.55;color:var(--c-muted)}
.source .label{white-space:nowrap}
.source p{margin:0;flex:1;min-width:260px}
.source a,.about-src a{color:var(--c-navy);text-decoration:underline;text-decoration-color:var(--c-yellow);text-underline-offset:3px}

/* урок */
.lesson-grid{display:grid;grid-template-columns:var(--toc-w) minmax(0,1fr);gap:0 clamp(32px,4vw,72px)}
.toc-side{display:flex;flex-direction:column;position:sticky;top:var(--header-h);align-self:start;max-height:calc(100vh - var(--header-h));overflow:auto;padding:32px 0 40px}
.toc-side>a{font-family:var(--f-mono);font-weight:600;font-size:14px;color:var(--c-navy);text-decoration:none;padding-bottom:16px;border-bottom:1px solid var(--c-lavender);margin-bottom:12px}
.toc-mod{display:flex;flex-direction:column;margin-top:14px}
.toc-mod>b{font-family:var(--f-mono);font-weight:400;font-size:11px;letter-spacing:.04em;color:var(--c-yellow-text);padding:0 0 6px 12px}
.toc-mod ol{list-style:none;margin:0;padding:0}
.toc-mod a{display:grid;grid-template-columns:16px 1fr;gap:10px;align-items:start;padding:7px 10px 7px 12px;font-size:14px;line-height:1.4;text-decoration:none;color:var(--c-navy);border-left:2px solid transparent}
.toc-mod a:hover{background:var(--c-grey)}
.toc-mod a .n{font-family:var(--f-mono);font-size:11px;color:var(--c-muted);padding-top:3px}
.toc-mod a[aria-current]{border-left-color:var(--c-yellow);background:var(--c-grey);font-weight:600}
.toc-mod a.is-done{color:var(--c-muted)}
.toc-mod a.is-done .n{color:var(--c-yellow-text)}
.toc-mod a.is-done .n::before{content:"✓"}
.toc-mod a.is-done .n span{display:none}
.toc-acc{display:none;flex-direction:column;border:1px solid var(--c-lavender);margin-bottom:28px}
.toc-acc>button{display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;min-height:48px;padding:0 16px;background:var(--c-grey);border:0;cursor:pointer;color:var(--c-navy);font-family:var(--f-mono);font-size:13px;font-weight:600;text-align:left}
.toc-acc>button span:last-child{color:var(--c-yellow-text)}
.toc-acc>div{display:none;flex-direction:column;padding:8px 0 12px}
.toc-acc.open>div{display:flex}
.toc-acc .toc-mod>b{padding-left:16px}
.toc-acc .toc-mod a{padding:10px 16px;font-size:15px;border-left:0}
.lesson-main{min-width:0;padding:32px 0 0}
.lesson-main .crumbs{margin-bottom:20px}
.lesson{max-width:var(--measure)}
.lesson .label{display:block;margin-bottom:16px}
.lesson h1{font-size:clamp(28px,3vw,40px);line-height:1.15;letter-spacing:-.02em;text-wrap:pretty;margin-bottom:18px}
.lesson-meta{display:flex;flex-wrap:wrap;gap:8px 20px;font-family:var(--f-mono);font-size:13px;color:var(--c-muted);margin:0 0 32px}
.lesson-meta a{color:var(--c-muted);text-decoration:none;border-bottom:1px solid var(--c-yellow)}
.lesson-meta a:hover{color:var(--c-yellow-text)}
.toc{border:1px solid var(--c-lavender);padding:20px 24px;margin:0 0 36px}
.toc .label{margin-bottom:12px}
.toc ol{margin:0;padding:0;list-style:none;display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:6px 24px;font-size:15px;line-height:1.45}
.toc li{display:flex;gap:10px}
.toc li .n{font-family:var(--f-mono);font-size:12px;color:var(--c-yellow-text);padding-top:2px;min-width:18px}
.toc a{color:var(--c-navy);text-decoration:none}
.toc a:hover{color:var(--c-yellow-text)}

/* типографика урока */
.prose>p:first-child{font-size:20px;line-height:1.55;font-weight:500;text-wrap:pretty;margin-bottom:28px}
.prose p{margin:0 0 20px;font-size:17px;line-height:1.65;text-wrap:pretty}
.prose h2{margin:52px 0 18px;font-size:24px;line-height:1.25;letter-spacing:-.01em;scroll-margin-top:96px}
.prose h3{margin:36px 0 14px;font-size:18px;line-height:1.3}
.prose ul,.prose ol{margin:0 0 20px;padding-left:24px;font-size:17px;line-height:1.65}
.prose li{margin-bottom:8px}
.prose li::marker{color:var(--c-yellow-text);font-family:var(--f-mono);font-size:14px}
.prose li>p{margin-bottom:8px}
.prose strong{font-weight:600}
.prose a{color:var(--c-navy);text-decoration:underline;text-decoration-color:var(--c-yellow);text-underline-offset:3px}
.prose a:hover{color:var(--c-yellow-text)}
.prose code{font-family:var(--f-mono);font-size:.86em;background:var(--c-grey);padding:2px 6px;border-radius:2px;word-break:break-word}
.prose blockquote{margin:0 0 20px;padding:4px 0 4px 20px;border-left:2px solid var(--c-yellow);color:var(--c-muted)}
.prose blockquote p:last-child{margin-bottom:0}
.prose table{border-collapse:collapse;width:100%;font-size:15px;line-height:1.5;margin:0 0 24px;display:block;overflow-x:auto}
.prose th{text-align:left;font-family:var(--f-mono);font-weight:400;font-size:12px;letter-spacing:.04em;color:var(--c-yellow-text);padding:10px 12px;border-bottom:2px solid var(--c-navy)}
.prose td{padding:12px;border-bottom:1px solid var(--c-lavender);vertical-align:top}
.prose hr{border:0;border-top:1px solid var(--c-lavender);margin:40px 0}
.prose img{display:block}
.code{border:1px solid var(--c-navy);margin:0 0 24px;min-width:0}
.code-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 8px 8px 18px;background:var(--c-navy);border-bottom:1px solid var(--c-line-dark)}
.code-head span{font-family:var(--f-mono);font-size:11px;letter-spacing:.04em;color:var(--c-yellow)}
.code-copy{background:none;border:1px solid rgba(223,219,238,.4);color:var(--c-lavender);cursor:pointer;font-family:var(--f-mono);font-size:11px;padding:6px 10px}
.code-copy:hover{border-color:var(--c-yellow);color:var(--c-yellow)}
html:not(.js) .code-copy{display:none}
.code pre{margin:0;overflow:auto;padding:20px 22px;font-family:var(--f-mono);font-size:13.5px;line-height:1.65;color:var(--c-lavender);background:var(--c-navy)}
.code pre code{background:none;padding:0;font-size:inherit;color:inherit;border-radius:0;word-break:normal}
.code .k{color:var(--c-yellow)}.code .s{color:#a9dfb6}.code .c{color:#8f8aac}
.try,.brief{padding:28px clamp(20px,3vw,32px);color:var(--c-navy)}
.try{margin-top:52px;background:var(--c-yellow)}
.brief{margin-top:20px;background:var(--c-lavender)}
.try-head,.brief-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.try-head h2,.brief-head h2{margin:0;font-size:22px;line-height:1.2;scroll-margin-top:96px}
.try-head .arrow{font-family:var(--f-mono);font-weight:700;font-size:16px;line-height:1}
.try-head small{margin-left:auto;font-family:var(--f-mono);font-size:12px}
.brief-head .sq{background:var(--c-navy)}
.try ol,.try ul{margin:0;padding-left:22px;font-size:17px;line-height:1.6;display:flex;flex-direction:column;gap:10px}
.brief ul,.brief ol{margin:0;padding-left:20px;font-size:16px;line-height:1.6;display:flex;flex-direction:column;gap:8px}
.try li,.brief li{margin:0;text-wrap:pretty}
.try li::marker,.brief li::marker{color:var(--c-navy)}
.try p,.brief p{margin:0 0 12px;font-size:16px}
.try code,.brief code{background:rgba(255,255,255,.35)}
.try a,.brief a{text-decoration-color:var(--c-navy)}

/* видео */
.video{margin-top:56px}
.video h2{margin:0 0 18px;font-size:24px;line-height:1.25;scroll-margin-top:96px}
.video video{display:block;width:100%;aspect-ratio:16/9;background:var(--c-navy)}
.video-stub{aspect-ratio:16/9;background:var(--c-navy);color:var(--c-lavender);padding:clamp(20px,3vw,32px);display:flex;flex-direction:column;justify-content:space-between;gap:16px}
.video-stub .label{color:var(--c-yellow)}
.video-stub b{font-family:var(--f-mono);font-weight:600;font-size:clamp(18px,2.4vw,26px);line-height:1.3;color:#fff;max-width:26ch}
.video-stub p{margin:0;font-size:14px;line-height:1.5;max-width:52ch}
.video audio{display:block;width:100%;margin-top:12px}
.script{margin-top:16px;border:1px solid var(--c-lavender)}
.script summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:48px;padding:12px 18px;background:#fff;cursor:pointer;color:var(--c-navy);font-family:var(--f-mono);font-size:13px;font-weight:600}
.script summary::-webkit-details-marker{display:none}
.script summary:hover{background:var(--c-grey)}
.script summary::after{content:"Развернуть";color:var(--c-yellow-text);font-weight:400;white-space:nowrap}
.script[open] summary::after{content:"Свернуть"}
.script-body{padding:8px 18px 22px;font-size:16px;line-height:1.65;color:var(--c-navy);border-top:1px solid var(--c-lavender);display:flex;flex-direction:column;gap:14px}
.script-body p{margin:0;text-wrap:pretty}

/* пройдено + пейджер */
.done-row{margin-top:48px;padding:24px 0;border-top:1px solid var(--c-lavender);border-bottom:1px solid var(--c-lavender);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px 24px}
.done-row small{font-size:13px;color:var(--c-muted)}
.btn-done{display:inline-flex;align-items:center;gap:12px;height:48px;padding:0 22px;border:1px solid var(--c-navy);background:#fff;color:var(--c-navy);cursor:pointer;font-family:var(--f-mono);font-weight:600;font-size:14px}
.btn-done:hover{border-color:var(--c-yellow)}
.btn-done i{width:18px;height:18px;border:1px solid currentColor;display:inline-flex;align-items:center;justify-content:center;font-size:12px;font-style:normal}
.btn-done.is-done{background:var(--c-navy);color:#fff}
.btn-done.is-done i{background:var(--c-yellow);color:var(--c-navy);border-color:var(--c-yellow)}
.btn-done.is-done i::before{content:"✓"}
html:not(.js) .done-row{display:none}
.pager{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,240px),1fr));gap:16px;margin-top:24px}
.pager a{display:flex;flex-direction:column;gap:8px;padding:20px;border:1px solid var(--c-lavender);text-decoration:none;color:var(--c-navy);min-width:0}
.pager a:hover{border-color:var(--c-yellow)}
.pager a span{font-family:var(--f-mono);font-size:12px;color:var(--c-muted)}
.pager a b{font-family:var(--f-mono);font-weight:600;font-size:15px;line-height:1.35}
.pager .pager-next{border-color:var(--c-navy);background:var(--c-navy);color:#fff;text-align:right}
.pager .pager-next:hover{background:var(--c-navy-hover);border-color:var(--c-navy-hover)}
.pager .pager-next span{color:var(--c-lavender)}
.lesson .promo-compact{margin-top:40px;padding:20px 0}

/* о программе */
.about-main{padding-top:32px}
.about-main .crumbs{margin-bottom:28px}
.about{max-width:var(--measure)}
.about h1{font-size:clamp(28px,3vw,40px);line-height:1.15;letter-spacing:-.02em;margin-bottom:20px}
.about-src{list-style:none;margin:0 0 24px;padding:0}
.about-src li{display:flex;flex-direction:column;gap:4px;padding:12px 0;border-bottom:1px solid var(--c-lavender);font-size:16px}
.about-src li small{font-family:var(--f-mono);font-size:13px;color:var(--c-muted)}
.about-src li small a{color:var(--c-muted)}

/* 404 */
.p-404{background:var(--c-navy);color:var(--c-lavender)}
.p-404 .hdr{position:static}
.p-404 main{display:flex;align-items:center}
.nf{width:100%;padding:clamp(48px,8vw,120px) var(--pad-x);display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr));gap:clamp(32px,5vw,72px);align-items:center}
.nf-num{font-family:var(--f-mono);font-size:clamp(120px,18vw,260px);line-height:.85;letter-spacing:-.06em;font-weight:300;color:transparent;-webkit-text-stroke:1.5px var(--c-lavender);user-select:none}
.nf-num b{color:var(--c-yellow);-webkit-text-stroke:0;font-weight:700}
.nf-text{display:flex;flex-direction:column;gap:20px}
.nf-text .label{color:var(--c-yellow)}
.nf-text h1{font-size:clamp(26px,2.8vw,40px);line-height:1.15;letter-spacing:-.02em;color:#fff;text-wrap:pretty}
.nf-text p{margin:0;font-size:17px;line-height:1.55;max-width:48ch;text-wrap:pretty}
.nf-actions{display:flex;flex-wrap:wrap;gap:12px}
.nf-mail{font-family:var(--f-mono);font-size:13px;color:var(--c-lavender);text-decoration:none;border-bottom:1px solid rgba(223,219,238,.4);align-self:flex-start}
.nf-mail:hover{color:var(--c-yellow)}
.p-404 .ftr{margin-top:0;background:transparent}
.p-404 .ftr-in{display:none}

/* появление */
html.js [data-reveal]{opacity:0;transform:translateY(14px);transition:opacity .5s ease,transform .5s ease}
html.js [data-reveal="in"]{opacity:1;transform:none}

@media (max-width:1023px){
  .lesson-grid{grid-template-columns:minmax(0,1fr)}
  .toc-side{display:none}
  .toc-acc{display:flex}
}
@media (max-width:767px){
  .nav{display:none}
  .burger{display:inline-flex}
  .brand-sub{display:none}
  .lessons a{grid-template-columns:36px minmax(0,1fr);padding:16px 4px}
  .lesson-r{grid-column:2;padding-top:0}
  .lesson-t span{-webkit-line-clamp:2}
  .code{margin-left:calc(-1 * var(--pad-x));margin-right:calc(-1 * var(--pad-x));border-left:0;border-right:0}
  .pager .pager-next{text-align:left}
}
@media (prefers-reduced-motion:reduce){
  html.js [data-reveal]{opacity:1;transform:none;transition:none}
  *{transition:none!important;animation:none!important}
}