:root{
  --ground:#EAF4FE; --glow:#F9FCFD; --surface:#FFFFFF; --surface-2:#F2F8FF;
  --ink:#0B1F5C; --ink-2:#4B5E88; --ink-3:#8394B8; --line:#D6E5F8;
  --primary:#005BFD; --primary-ink:#FFFFFF; --primary-soft:#E1EDFF; --mid:#2F8BFA; --sky:#7CC5FC;
  --success:#12915A; --success-soft:#E2F5EC; --danger:#CF3A3A; --danger-soft:#FBE7E7; --warn:#B87D00;
  --shadow:0 1px 2px rgba(11,31,92,.06),0 8px 24px rgba(11,31,92,.08);
  --display:"Montserrat","Avenir Next","Segoe UI",system-ui,sans-serif;
  --body:"Manrope","Segoe UI",system-ui,-apple-system,sans-serif;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --ground:#071430; --glow:#0C1C43; --surface:#0E1E47; --surface-2:#132856;
    --ink:#EAF2FF; --ink-2:#A3B5DA; --ink-3:#6F84B3; --line:#21386B;
    --primary:#3D8BFF; --primary-ink:#FFFFFF; --primary-soft:#16306A; --mid:#5AA6FF; --sky:#7CC5FC;
    --success:#3CC98A; --success-soft:#0F3A2C; --danger:#FF7B7B; --danger-soft:#3E1B24; --warn:#E8B340;
    --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --ground:#071430; --glow:#0C1C43; --surface:#0E1E47; --surface-2:#132856;
  --ink:#EAF2FF; --ink-2:#A3B5DA; --ink-3:#6F84B3; --line:#21386B;
  --primary:#3D8BFF; --primary-ink:#FFFFFF; --primary-soft:#16306A; --mid:#5AA6FF; --sky:#7CC5FC;
  --success:#3CC98A; --success-soft:#0F3A2C; --danger:#FF7B7B; --danger-soft:#3E1B24; --warn:#E8B340;
  --shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{height:100%}
body{margin:0;background:radial-gradient(120% 70% at 50% 30%,var(--glow),var(--ground) 70%) fixed,var(--ground);color:var(--ink);font:15px/1.6 var(--body);-webkit-font-smoothing:antialiased}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.tg{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);background:var(--surface)}
.tg .back{all:unset;cursor:pointer;width:32px;height:32px;display:grid;place-items:center;border-radius:50%;color:var(--primary)}
.tg .back[hidden]{display:none}
.tg .ttl{flex:1;min-width:0}
.tg .ttl b{display:block;font:600 15px/1.2 var(--display);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.tg .ttl span{font-size:12px;color:var(--ink-3)}
.tg img{width:22px;height:auto}
.view{flex:1;overflow-y:auto;padding:20px 18px 28px}
.tabs{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);background:var(--surface);padding-bottom:env(safe-area-inset-bottom,0px)}
.tabs button{all:unset;cursor:pointer;text-align:center;padding:10px 4px 12px;font-size:12px;color:var(--ink-3);display:flex;flex-direction:column;align-items:center;gap:3px}
.tabs button svg{width:22px;height:22px}
.tabs button[aria-current="true"]{color:var(--primary);font-weight:600}
/* ---- type ---- */
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0}
h1{font-size:24px;line-height:1.2;font-weight:700;letter-spacing:-.01em}
h2{font-size:18px;line-height:1.3;font-weight:600}
h3{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3);font-weight:600}
.muted{color:var(--ink-2)}
.small{font-size:13px}
.stack{display:flex;flex-direction:column;gap:14px}
.stack-lg{display:flex;flex-direction:column;gap:24px}
/* ---- controls ---- */
.btn{all:unset;box-sizing:border-box;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 18px;border-radius:14px;background:var(--primary);color:var(--primary-ink);font:600 15px/1.2 var(--display);text-align:center;transition:transform .12s ease,filter .12s ease}
.btn:hover{filter:brightness(1.06)}
.btn:active{transform:scale(.985)}
.btn.ghost{background:var(--primary-soft);color:var(--primary)}
.btn.line{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn[disabled]{opacity:.45;pointer-events:none}
.btn.sm{min-height:36px;padding:8px 12px;font-size:13px;border-radius:10px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:99px;font-size:12px;font-weight:600;background:var(--surface-2);color:var(--ink-2)}
.chip.ok{background:var(--success-soft);color:var(--success)}
.chip.bad{background:var(--danger-soft);color:var(--danger)}
.chip.pri{background:var(--primary-soft);color:var(--primary)}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;font-weight:600;color:var(--ink-2)}
.field input,.field select,.field textarea{background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;min-height:46px;width:100%}
.field textarea{min-height:96px;resize:vertical}
/* ---- splash ---- */
.splash{display:flex;flex-direction:column;align-items:center;text-align:center;gap:22px;padding:28px 6px 8px}
.splash img{width:112px}
.word{font:600 40px/1 var(--display);letter-spacing:.3em;margin-right:-.3em;color:var(--ink)}
.tagline{font:500 12px/1 var(--display);letter-spacing:.34em;margin-right:-.34em;color:var(--mid);text-transform:uppercase}
.splash .lead{max-width:34ch;color:var(--ink-2)}
.tg-login{background:#2AABEE;color:#fff}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;width:100%}
.facts div{background:var(--surface-2);border-radius:14px;padding:12px 6px}
.facts b{display:block;font:700 20px/1.1 var(--display);color:var(--primary);font-variant-numeric:tabular-nums}
.facts span{font-size:12px;color:var(--ink-2)}
/* ---- choices ---- */
.progress-bar{height:6px;border-radius:99px;background:var(--surface-2);overflow:hidden}
.progress-bar i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--sky));border-radius:99px;transition:width .3s ease}
.options{display:flex;flex-direction:column;gap:10px}
.opt{all:unset;box-sizing:border-box;cursor:pointer;display:flex;gap:12px;align-items:flex-start;padding:14px;border:1.5px solid var(--line);border-radius:14px;background:var(--surface);line-height:1.45}
.opt .k{flex:none;width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:var(--surface-2);font:600 13px/1 var(--display);color:var(--ink-2)}
.opt:hover{border-color:var(--mid)}
.opt[aria-pressed="true"]{border-color:var(--primary);background:var(--primary-soft)}
.opt[aria-pressed="true"] .k{background:var(--primary);color:#fff}
/* ---- home ---- */
.hello{display:flex;align-items:center;gap:14px}
.ring{--p:0;flex:none;width:64px;height:64px;border-radius:50%;background:conic-gradient(var(--primary) calc(var(--p)*1%),var(--surface-2) 0);display:grid;place-items:center}
.ring span{width:50px;height:50px;border-radius:50%;background:var(--surface);display:grid;place-items:center;font:700 14px/1 var(--display);font-variant-numeric:tabular-nums}
.continue{background:linear-gradient(135deg,var(--primary),var(--mid));color:#fff;border-radius:20px;padding:18px;display:flex;flex-direction:column;gap:10px}
.continue small{opacity:.85;font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-family:var(--display);font-weight:600}
.continue h2{color:#fff}
.continue .btn{background:#fff;color:#0B1F5C;align-self:flex-start;min-height:40px;padding:8px 16px}
.module{display:flex;flex-direction:column;gap:6px}
.module header{display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding:0 2px}
.module header span{font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.lessons{border:1px solid var(--line);border-radius:16px;overflow:hidden}
.lrow{all:unset;box-sizing:border-box;cursor:pointer;display:flex;align-items:center;gap:12px;width:100%;padding:12px 14px;border-top:1px solid var(--line);background:var(--surface)}
.lrow:first-child{border-top:0}
.lrow:hover{background:var(--surface-2)}
.lrow[aria-disabled="true"]{cursor:default;color:var(--ink-3)}
.lrow .num{flex:none;width:30px;height:30px;border-radius:10px;display:grid;place-items:center;font:600 13px/1 var(--display);background:var(--surface-2);color:var(--ink-2);font-variant-numeric:tabular-nums}
.lrow.done .num{background:var(--success-soft);color:var(--success)}
.lrow.cur .num{background:var(--primary);color:#fff}
.lrow .t{flex:1;min-width:0;font-size:14px;line-height:1.35}
.lrow .s{flex:none;font-size:12px;font-variant-numeric:tabular-nums;color:var(--ink-3)}
.lrow.done .s{color:var(--success);font-weight:600}
/* ---- lesson ---- */
.lesson-head{display:flex;flex-direction:column;gap:8px}
.eyebrow{font:600 11.5px/1 var(--display);letter-spacing:.14em;text-transform:uppercase;color:var(--primary)}
.prose p{margin:0 0 12px;max-width:65ch}
.audio{display:flex;align-items:center;gap:12px;background:var(--surface-2);border-radius:14px;padding:10px 12px}
.audio .play{all:unset;cursor:pointer;width:40px;height:40px;border-radius:50%;background:var(--primary);color:#fff;display:grid;place-items:center;flex:none}
.audio .track{flex:1;height:4px;border-radius:99px;background:var(--line);position:relative}
.audio .track i{position:absolute;inset:0 auto 0 0;width:0;background:var(--primary);border-radius:99px}
.audio span{font-size:12px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.block{border-top:1px solid var(--line);padding-top:18px;display:flex;flex-direction:column;gap:12px}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px}
table{border-collapse:collapse;font-size:12.5px;line-height:1.4;min-width:100%}
th,td{padding:8px 10px;text-align:left;vertical-align:top;border-top:1px solid var(--line);white-space:pre-line}
th{background:var(--surface-2);font-weight:700;border-top:0;position:sticky;top:0}
td:first-child,th:first-child{position:sticky;left:0;background:var(--surface);font-weight:600}
th:first-child{background:var(--surface-2)}
.check{display:flex;flex-direction:column;gap:2px}
.check label{display:flex;gap:10px;align-items:flex-start;padding:8px 4px;cursor:pointer;line-height:1.45}
.check input{width:20px;height:20px;accent-color:var(--primary);flex:none;margin-top:1px}
.extra-h{font:600 14px/1.3 var(--display);color:var(--ink)}
.extra-p{white-space:pre-line;color:var(--ink-2);font-size:14px}
.upload{display:flex;align-items:center;gap:10px;border:1.5px dashed var(--line);border-radius:12px;padding:12px;font-size:13px;color:var(--ink-2)}
/* ---- result ---- */
.score{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;padding:10px 0}
.score b{font:700 56px/1 var(--display);font-variant-numeric:tabular-nums}
.score.ok b{color:var(--success)}
.score.bad b{color:var(--danger)}
.qlist{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.qlist i{width:30px;height:30px;border-radius:8px;display:grid;place-items:center;font:600 12px/1 var(--display);font-style:normal}
.qlist .y{background:var(--success-soft);color:var(--success)}
.qlist .n{background:var(--danger-soft);color:var(--danger)}
/* ---- paywall ---- */
.plan{border:1.5px solid var(--line);border-radius:18px;padding:16px;display:flex;flex-direction:column;gap:10px}
.plan.best{border-color:var(--primary);box-shadow:0 0 0 4px var(--primary-soft)}
.plan .price{font:700 26px/1 var(--display);font-variant-numeric:tabular-nums}
.plan ul{margin:0;padding-left:18px;color:var(--ink-2);font-size:14px}
.stars{display:inline-flex;align-items:center;gap:4px}
/* ---- certificate ---- */
.cert{position:relative;border-radius:18px;overflow:hidden;background:linear-gradient(160deg,#FFFFFF 0%,#EAF4FE 100%);color:#0B1F5C;padding:22px 20px;border:1px solid #CFE2F8;display:flex;flex-direction:column;gap:12px}
.cert::after{content:"";position:absolute;right:-60px;top:-60px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,#7CC5FC55,transparent 70%)}
.cert .top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.cert .top img{width:34px}
.cert .top .w{font:600 16px/1 var(--display);letter-spacing:.3em}
.cert .kind{font:600 11px/1 var(--display);letter-spacing:.2em;text-transform:uppercase;color:#005BFD}
.cert .name{font:700 24px/1.15 var(--display)}
.cert .course{color:#4B5E88;font-size:14px}
.cert .grades{display:grid;grid-template-columns:repeat(2,1fr);gap:6px 12px;font-size:12.5px}
.cert .grades div{display:flex;justify-content:space-between;border-bottom:1px dashed #CFE2F8;padding:3px 0;gap:8px}
.cert .grades b{font-variant-numeric:tabular-nums}
.cert .foot{display:flex;justify-content:space-between;align-items:flex-end;gap:12px}
.cert .foot small{display:block;font-size:11px;color:#4B5E88}
.cert .foot b{font-variant-numeric:tabular-nums;font-size:13px}
.cert .qr{background:#fff;padding:6px;border-radius:10px;border:1px solid #CFE2F8;line-height:0}
.cert .total{display:flex;align-items:baseline;gap:10px}
.cert .total b{font:700 34px/1 var(--display);color:#005BFD;font-variant-numeric:tabular-nums}
.verify{border-radius:18px;padding:18px;background:var(--success-soft);color:var(--success);display:flex;gap:12px;align-items:center}
.verify b{font:700 18px/1.2 var(--display)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 14px;font-size:14px}
.kv dt{color:var(--ink-3)}
.kv dd{margin:0;font-weight:600;font-variant-numeric:tabular-nums}
.bars{display:flex;flex-direction:column;gap:10px}
.bar{display:grid;grid-template-columns:130px 1fr 32px;gap:10px;align-items:center;font-size:13px}
.bar .tr{height:8px;border-radius:99px;background:var(--surface-2);overflow:hidden}
.bar .tr i{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--sky))}
.bar b{font-variant-numeric:tabular-nums;text-align:right}
.note{font-size:12.5px;color:var(--ink-3);border-left:3px solid var(--sky);padding:4px 0 4px 10px}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--ink);color:var(--surface);padding:10px 16px;border-radius:12px;font-size:14px;box-shadow:var(--shadow);z-index:10}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
/* ---- real app layout ---- */
.app{display:flex;flex-direction:column;min-height:100vh;min-height:100dvh;max-width:560px;margin:0 auto;background:var(--surface)}
@media (min-width:600px){.app{border-left:1px solid var(--line);border-right:1px solid var(--line)}}
.in-tg .tg{display:none}
.view{padding:20px 18px calc(28px + env(safe-area-inset-bottom,0px))}
.center{min-height:60vh;display:grid;place-items:center;text-align:center}
.spinner{width:36px;height:36px;border-radius:50%;border:3px solid var(--primary-soft);border-top-color:var(--primary);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.err{background:var(--danger-soft);color:var(--danger);border-radius:14px;padding:14px;font-size:14px}
/* ---- курсы, материалы урока ---- */
.course-card{all:unset;box-sizing:border-box;cursor:pointer;display:flex;gap:14px;align-items:center;padding:16px;border:1px solid var(--line);border-radius:18px;background:var(--surface);box-shadow:var(--shadow)}
.course-card:hover{border-color:var(--mid)}
.lrow .ico{font-size:11px;opacity:.8}
.prose .sub{font:600 16px/1.3 var(--display);margin:18px 0 8px;letter-spacing:0;text-transform:none;color:var(--ink)}
.media{border:1px solid var(--line);border-radius:14px;padding:12px;display:flex;flex-direction:column;gap:10px;background:var(--surface-2)}
.mhead{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.mico{font-size:22px;flex:none}
.mt{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.3}
.mt b{font-size:14px;overflow-wrap:anywhere}
.mbtns{display:flex;gap:8px;flex-wrap:wrap}
.media audio{width:100%}
.media video{width:100%;max-height:60vh;border-radius:10px;background:#000}

/* =================== САЙТ (idari.uz в браузере) =================== */
.site-head,.site-foot,.modal{display:none}
.site .site-head{display:block;position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
.site .site-foot{display:block;border-top:1px solid var(--line);background:var(--surface);color:var(--ink-3);margin-top:48px}
.site .modal:not([hidden]){display:grid}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.site-head .wrap{display:flex;align-items:center;gap:24px;min-height:68px}
.site-foot .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;padding-bottom:24px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit}
.logo img{width:30px}
.logo b{display:block;font:600 17px/1 var(--display);letter-spacing:.28em}
.logo small{display:block;font-size:11px;color:var(--ink-3);margin-top:3px;letter-spacing:.02em}
.site-nav{display:flex;gap:22px;flex:1}
.site-nav a{color:var(--ink-2);text-decoration:none;font-weight:600;font-size:14.5px}
.site-nav a:hover{color:var(--primary)}
.site-user{display:flex;align-items:center;gap:12px}
.site-user .who{font-weight:600;color:var(--ink-2);max-width:18ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.site .app{max-width:none;margin:0;background:transparent;border:0;min-height:0}
.site .tg{display:none}
.site .view{width:100%;max-width:1200px;margin:0 auto;padding:32px 24px 32px;overflow:visible}
.site .narrow{max-width:680px;margin:0 auto;width:100%}
.site h1{font-size:34px;line-height:1.15}
.btn.big{min-height:54px;padding:14px 26px;font-size:16px}
.btn.line{background:transparent;color:var(--ink);border:1.5px solid var(--line)}
.btn.light{background:#fff;color:#0B1F5C}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
a.btn{text-decoration:none}
.lead{font-size:17px;line-height:1.6;color:var(--ink-2);max-width:60ch;margin:0}
.note{background:var(--surface-2);border-radius:14px;padding:16px;color:var(--ink-2)}
.crumbs{display:flex;gap:8px;flex-wrap:wrap;font-size:13.5px;color:var(--ink-3);margin-bottom:18px}
.crumbs a{color:var(--ink-2);text-decoration:none}
.crumbs a:hover{color:var(--primary)}
.page-head{display:flex;flex-direction:column;gap:10px}

/* главная */
.hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;padding:36px 0 24px}
.hero-text{display:flex;flex-direction:column;gap:22px}
.site .hero h1{font-size:48px;line-height:1.08;letter-spacing:-.02em}
.hero .facts{max-width:460px}
.hero-card{position:relative}
.hero-card::before{content:"";position:absolute;inset:-30px;background:radial-gradient(circle at 60% 40%,var(--sky) 0,transparent 60%);opacity:.35;filter:blur(20px);z-index:-1}
.mock{background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}
.mock-t{display:block;font:600 16px/1.3 var(--display)}
.mock-l{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;background:var(--surface-2);font-size:14px}
.mock-l span{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;background:var(--surface);font:600 12px/1 var(--display);color:var(--ink-2);flex:none}
.mock-l.done span{background:var(--success-soft);color:var(--success)}
.mock-l.cur{background:var(--primary-soft);color:var(--primary);font-weight:600}
.mock-l.cur span{background:var(--primary);color:#fff}
.mock-l em{margin-left:auto;font-style:normal}
.mock-cert{margin-top:6px;text-align:center;padding:12px;border-radius:12px;border:1.5px dashed var(--line);color:var(--ink-2);font-weight:600}
.sec{padding:56px 0 8px;scroll-margin-top:80px}
.sec-head{display:flex;flex-direction:column;gap:8px;margin-bottom:24px}
.site .sec-head h2{font-size:30px;line-height:1.2}
.cat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:20px}
.cat-card{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px;display:flex;flex-direction:column;gap:16px;box-shadow:var(--shadow)}
.cat-card .btn{margin-top:auto}
.cat-t{font:600 20px/1.3 var(--display);letter-spacing:0;text-transform:none;color:var(--ink)}
.tags{display:flex;flex-wrap:wrap;gap:8px}
.tags span{background:var(--surface-2);border-radius:99px;padding:5px 11px;font-size:13px;color:var(--ink-2);font-weight:600}
.tags .free{background:var(--success-soft);color:var(--success)}
.program{border-top:1px solid var(--line);padding-top:12px}
.program summary{cursor:pointer;font-weight:700;color:var(--primary)}
.prog{margin:12px 0 0;padding-left:20px;display:flex;flex-direction:column;gap:10px}
.prog ul{margin:6px 0 0;padding-left:18px;color:var(--ink-2);font-size:14px}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:22px;display:flex;flex-direction:column;gap:10px}
.step p{margin:0;font-size:14.5px}
.step-n{width:40px;height:40px;border-radius:12px;background:var(--primary);color:#fff;display:grid;place-items:center;font:700 17px/1 var(--display)}
.step-t{font:600 17px/1.3 var(--display);letter-spacing:0;text-transform:none;color:var(--ink)}
.formats{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.fmt{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:18px 12px;text-align:center;display:flex;flex-direction:column;gap:8px;align-items:center;font-weight:600;font-size:14px}
.fmt span{font-size:28px}
.faq{display:flex;flex-direction:column;gap:10px;max-width:860px}
.qa{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px 20px}
.qa summary{cursor:pointer;font-weight:700;font-size:16px}
.qa p{margin:10px 0 0}
.cta{margin-top:56px;border-radius:28px;padding:44px 32px;text-align:center;color:#fff;background:linear-gradient(135deg,#005BFD,#2F8BFA 60%,#7CC5FC);display:flex;flex-direction:column;gap:14px;align-items:center}
.site .cta h2{color:#fff;font-size:30px}
.cta p{margin:0;opacity:.9}

/* курс и урок: две колонки */
.cols{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start}
.col-side{position:sticky;top:92px}
.side-card{background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:22px;display:flex;flex-direction:column;gap:16px;box-shadow:var(--shadow)}
.big-n{font:700 22px/1.1 var(--display)}
.ring.lg{width:76px;height:76px}
.ring.lg span{width:60px;height:60px;font-size:15px}
.side-note{background:var(--surface-2);border-radius:14px;padding:14px;font-size:14px;color:var(--ink-2);display:flex;flex-direction:column;gap:10px}
.side-note.ok{background:var(--success-soft);color:var(--success);font-weight:600}
.lesson-cols{grid-template-columns:300px minmax(0,1fr)}
.col-outline{position:sticky;top:92px;max-height:calc(100vh - 110px);overflow:auto;border:1px solid var(--line);border-radius:20px;background:var(--surface)}
.outline{display:flex;flex-direction:column;gap:14px;padding:18px}
.outline-head{display:flex;flex-direction:column;gap:6px}
.outline-t{font:600 15px/1.3 var(--display);color:var(--ink);text-decoration:none}
.outline-t:hover{color:var(--primary)}
.ol-mod{display:flex;flex-direction:column;gap:2px}
.ol-mt{font:600 11.5px/1.3 var(--display);letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:4px}
.ol-l{all:unset;box-sizing:border-box;cursor:pointer;display:flex;gap:10px;align-items:flex-start;padding:7px 8px;border-radius:10px;font-size:13.5px;line-height:1.35;color:var(--ink-2)}
.ol-l:hover{background:var(--surface-2)}
.ol-l[aria-disabled="true"]{color:var(--ink-3)}
.ol-l.cur{background:var(--primary-soft);color:var(--primary);font-weight:700}
.ol-i{flex:none;width:22px;height:22px;border-radius:7px;display:grid;place-items:center;font:600 11px/1 var(--display);background:var(--surface-2)}
.ol-l.done .ol-i{background:var(--success-soft);color:var(--success)}
.ol-l.cur .ol-i{background:var(--primary);color:#fff}
.col-lesson{max-width:780px;min-width:0}
.site .prose{font-size:16.5px;line-height:1.75}
.outline-m{display:none;border:1px solid var(--line);border-radius:16px;background:var(--surface)}
.outline-m summary{cursor:pointer;padding:14px 16px;font-weight:700}
.pager{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding-top:22px}
.site .media.video video{max-height:none;aspect-ratio:16/9}
.site .options .opt{padding:16px 18px}

/* окно входа */
.modal{position:fixed;inset:0;z-index:40;background:rgba(7,20,48,.55);place-items:center;padding:20px}
.modal-card{background:var(--surface);border-radius:24px;padding:28px;max-width:420px;width:100%;display:flex;flex-direction:column;gap:14px;align-items:center;text-align:center;box-shadow:var(--shadow)}
.lm-steps{text-align:left;margin:0;padding-left:22px;color:var(--ink-2);display:flex;flex-direction:column;gap:6px}
.modal-card .btn{width:100%}

/* адаптив */
@media (max-width:1080px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .formats{grid-template-columns:repeat(3,1fr)}
  .cols,.lesson-cols{grid-template-columns:1fr}
  .col-side{position:static;order:-1}
  .col-outline{display:none}
  .outline-m{display:block}
}
@media (max-width:820px){
  .hero{grid-template-columns:1fr;gap:28px;padding-top:12px}
  .site .hero h1{font-size:34px}
  .site-nav{display:none}
  .site-head .wrap{justify-content:space-between}
}
@media (max-width:560px){
  .wrap,.site .view{padding-left:16px;padding-right:16px}
  .site h1{font-size:26px}
  .site .hero h1{font-size:30px}
  .site .sec-head h2,.site .cta h2{font-size:24px}
  .cat-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .formats{grid-template-columns:repeat(2,1fr)}
  .site-user .who{display:none}
  .row .btn.big{flex:1}
  .cta{padding:32px 20px;border-radius:22px}
}

/* =================== TELEGRAM MINI APP =================== */
/* цвета из темы Telegram (переменные --tg-theme-* задаёт telegram-web-app.js), акцент — фирменный */
:root.in-tg{
  --surface:var(--tg-theme-bg-color,#fff); --ground:var(--tg-theme-secondary-bg-color,#EAF4FE); --glow:var(--ground);
  --surface-2:var(--tg-theme-secondary-bg-color,#F2F8FF); --ink:var(--tg-theme-text-color,#0B1F5C);
  --ink-2:var(--tg-theme-hint-color,#4B5E88); --ink-3:var(--tg-theme-hint-color,#8394B8);
  --line:color-mix(in srgb,var(--tg-theme-hint-color,#8394B8) 28%,transparent);
  --primary:var(--tg-theme-button-color,#005BFD); --primary-ink:var(--tg-theme-button-text-color,#fff);
  --primary-soft:color-mix(in srgb,var(--tg-theme-button-color,#005BFD) 14%,transparent);
  --mid:var(--tg-theme-link-color,#2F8BFA);
}
.in-tg body{background:var(--surface)}
.in-tg .app{max-width:none;border:0;min-height:var(--tg-viewport-stable-height,100vh)}
.in-tg .view{padding:16px 16px calc(24px + var(--tg-safe-area-inset-bottom,0px) + var(--tg-content-safe-area-inset-bottom,0px))}
.has-mb .btn.mb{display:none}                   /* главное действие — нативная MainButton Telegram */
.in-tg .lrow,.in-tg .opt,.in-tg .btn{-webkit-tap-highlight-color:transparent}
.in-tg .continue{background:linear-gradient(135deg,var(--primary),var(--mid))}