/* Inter (variable 400–800), local copy so text never flickers and works offline */
/* cyrillic-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(fonts/inter-cyrillic-ext.woff2) format('woff2');
  unicode-range: U+0460-052F, U+1C80-1C8A, U+20B4, U+2DE0-2DFF, U+A640-A69F, U+FE2E-FE2F;
}
/* cyrillic */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(fonts/inter-cyrillic.woff2) format('woff2');
  unicode-range: U+0301, U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
}
/* latin-ext */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(fonts/inter-latin-ext.woff2) format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* latin */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url(fonts/inter-latin.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root{
  --bg0:#060A16;--bg1:#0B1430;--gold0:#F5B942;--gold1:#FFD98A;--blue:#4C7BFF;--teal:#22D3B6;--green:#34D399;
  --text:#F4F6FB;--dim:#B4BED2;--faint:#7C88A3;--line:rgba(255,255,255,.1);
  --goldg:linear-gradient(120deg,#F5B942,#FFE6A6 45%,#F5B942 60%,#D9952B);
  --glass:linear-gradient(150deg,rgba(26,38,78,.78),rgba(12,20,46,.78));
  --edge:linear-gradient(150deg,rgba(255,255,255,.28),rgba(255,255,255,.06) 45%,rgba(245,185,66,.22));
  --d:'Inter',-apple-system,system-ui,sans-serif;--t:'Inter',-apple-system,system-ui,sans-serif;--side:290px;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:radial-gradient(120% 70% at 50% -10%,var(--bg1),var(--bg0) 65%) fixed,var(--bg0);color:var(--text);font:400 17px/1.6 var(--t);-webkit-font-smoothing:antialiased;min-height:100vh}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
svg{width:1em;height:1em;flex:0 0 auto}
h1,h2,h3{font-family:var(--d);font-weight:800;line-height:1.12;margin:0;letter-spacing:-.03em}
.bg{position:fixed;inset:0;pointer-events:none;z-index:-1;overflow:hidden}
.bg i{position:absolute;width:60vw;height:60vw;border-radius:50%;filter:blur(40px);opacity:.5}
.bg .b1{left:-20vw;top:-25vw;background:radial-gradient(circle,rgba(76,123,255,.35),transparent 65%)}
.bg .b2{right:-25vw;bottom:-30vw;background:radial-gradient(circle,rgba(76,123,255,.16),transparent 65%)}
.glass{position:relative;background:var(--glass) padding-box,var(--edge) border-box;border:1px solid transparent;border-radius:24px;box-shadow:0 24px 60px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.1);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}
.eyebrow{font:700 12px/1 var(--t);letter-spacing:.14em;text-transform:uppercase;color:var(--gold0)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 26px;border-radius:16px;font:700 16px/1 var(--t);transition:transform .2s,box-shadow .2s,background .2s}
.btn.gold{background:var(--goldg);color:#2E1C00;box-shadow:0 14px 34px rgba(245,185,66,.3),inset 0 1px 0 rgba(255,255,255,.55)}
.btn.gold:hover{transform:translateY(-1px)}
.btn.ghost{border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.04)}
.btn.ghost:hover{background:rgba(255,255,255,.09)}
.btn svg{font-size:20px}

/* sidebar */
.side{position:fixed;left:0;top:0;bottom:0;width:var(--side);padding:22px 16px;display:flex;flex-direction:column;gap:6px;border-right:1px solid var(--line);background:rgba(6,10,22,.6);backdrop-filter:blur(14px);z-index:20;overflow-y:auto}
.brand{display:flex;align-items:center;gap:12px;padding:4px 8px 18px}
.brand img{width:44px;height:44px;border-radius:14px;object-fit:cover;border:2px solid var(--gold0)}
.brand b{display:block;font:700 15px/1.2 var(--d)}
.brand small{color:var(--faint);font-size:13px}
.cont{display:flex;align-items:center;gap:10px;margin:0 0 14px;padding:14px 16px;border-radius:16px;background:var(--goldg);color:#2E1C00;font-weight:700;font-size:15px;line-height:1.25;box-shadow:0 10px 26px rgba(245,185,66,.25)}
.cont svg{font-size:18px}
.nav a{display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:14px;color:var(--dim);font-weight:500;font-size:16px}
.nav a svg{font-size:21px;color:var(--faint)}
.nav a:hover{background:rgba(255,255,255,.05);color:var(--text)}
.nav a.on{background:rgba(245,185,66,.12);color:var(--text);box-shadow:inset 0 0 0 1px rgba(245,185,66,.35)}
.nav a.on svg{color:var(--gold0)}
.nav a .n{margin-left:auto;font:600 13px var(--t);color:var(--faint);font-variant-numeric:tabular-nums}
.me{margin-top:auto;display:flex;align-items:center;gap:12px;padding:16px 8px 4px;border-top:1px solid var(--line)}
.me .av{width:42px;height:42px;border-radius:50%;background:var(--goldg);color:#2E1C00;display:flex;align-items:center;justify-content:center;font:700 17px var(--d)}
.me b{display:block;font-size:15px}
.me small{color:var(--faint);font-size:13px}
.main{margin-left:var(--side);padding:40px 48px 80px;max-width:1240px}
.tabs{display:none}

/* home */
.hello{margin:6px 0 26px}
.hello h1{font-size:clamp(26px,3vw,36px);margin-top:12px}
.hero{display:grid;grid-template-columns:1.25fr 1fr;gap:0;overflow:hidden;padding:0}
.hero .cv{position:relative;min-height:260px;background:#0B1430 center/cover}
.hero .cv::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent 55%,rgba(9,15,33,.95))}
.hero .cv .play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:76px;height:76px;border-radius:50%;background:var(--goldg);color:#2E1C00;display:flex;align-items:center;justify-content:center;box-shadow:0 14px 40px rgba(245,185,66,.4);z-index:1}
.hero .cv .play svg{font-size:30px;margin-left:4px}
.hero .tx{padding:30px 32px;display:flex;flex-direction:column;justify-content:center;gap:12px}
.hero h2{font-size:clamp(22px,2.2vw,30px)}
.hero p{margin:0;color:var(--dim)}
.hero .acts{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:22px;margin-top:22px}
.card{padding:26px 28px}
.card h3{font-size:19px;margin:10px 0 14px}
.prog{display:flex;align-items:center;gap:24px}
.ring{position:relative;width:118px;height:118px;flex:0 0 auto}
.ring svg{width:100%;height:100%;transform:rotate(-90deg)}
.ring b{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;font:700 26px/1 var(--d)}
.ring b small{font:500 13px var(--t);color:var(--faint);margin-top:6px}
.prog ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;color:var(--dim);font-size:15px}
.prog li b{color:var(--text)}
.route .chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.chip{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:12px;background:rgba(245,185,66,.12);border:1px solid rgba(245,185,66,.35);font-weight:600;font-size:15px}
.route p{margin:0 0 16px;color:var(--dim);font-size:15px}
.mods{margin-top:22px;padding:8px 10px}
.mrow{display:flex;align-items:center;gap:16px;padding:14px 16px;border-radius:16px}
.mrow:hover{background:rgba(255,255,255,.04)}
.mrow .mn{font:700 15px var(--t);color:var(--gold0);width:30px}
.mrow .mt{flex:1;min-width:0}
.mrow .mt b{display:block;font-size:16px}
.mrow .bar{height:6px;border-radius:4px;background:rgba(255,255,255,.1);margin-top:8px;overflow:hidden}
.mrow .bar i{display:block;height:100%;background:var(--goldg)}
.mrow .cnt{font:600 14px var(--t);color:var(--faint)}
.sec-t{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin:36px 0 14px}
.sec-t h2{font-size:22px}

/* lessons list */
.acc{margin-bottom:14px;padding:0;overflow:hidden}
.acc>button{width:100%;display:flex;align-items:center;gap:16px;padding:20px 24px;text-align:left}
.acc>button .mn{font:700 15px var(--t);color:var(--gold0);width:30px}
.acc>button b{flex:1;font:700 17px/1.3 var(--d)}
.acc>button .cnt{font:600 14px var(--t);color:var(--faint)}
.acc>button svg{font-size:22px;color:var(--faint);transition:transform .25s}
.acc.open>button svg{transform:rotate(180deg)}
.acc .ls{display:none;padding:0 12px 14px}
.acc.open .ls{display:block}
.lrow{display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:14px}
.lrow:hover{background:rgba(255,255,255,.05)}
.lrow.cur{background:rgba(245,185,66,.1);box-shadow:inset 0 0 0 1px rgba(245,185,66,.35)}
.lrow .ck{width:30px;height:30px;border-radius:50%;border:2px solid rgba(255,255,255,.22);display:flex;align-items:center;justify-content:center;flex:0 0 auto;color:#2E1C00;font-size:16px}
.lrow.done .ck{background:var(--goldg);border-color:transparent}
.lrow .num{font-variant-numeric:tabular-nums;font:600 14px var(--t);color:var(--faint);width:40px}
.lrow .lt{flex:1;min-width:0;font-weight:500}
.lrow .du{font-variant-numeric:tabular-nums;font:500 14px var(--t);color:var(--faint)}

/* lesson */
.crumb{display:flex;align-items:center;gap:8px;color:var(--faint);font-size:15px;margin-bottom:14px}
.crumb a:hover{color:var(--text)}
.les{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:28px;align-items:start}
.les h1{font-size:clamp(26px,2.8vw,38px);margin:12px 0 10px}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;color:var(--dim);font-size:15px;margin-bottom:20px}
.meta .ok{color:var(--gold1);font-weight:600}
.player{position:relative;border-radius:22px;overflow:hidden;background:#000;aspect-ratio:16/9;box-shadow:0 30px 70px rgba(0,0,0,.5)}
.player video,.player iframe{width:100%;height:100%;display:block;background:#000;border:0}
.player .wm{position:absolute;font:600 15px var(--t);color:rgba(255,255,255,.28);pointer-events:none;letter-spacing:.06em;transition:left 2s linear,top 2s linear;text-shadow:0 1px 3px rgba(0,0,0,.4)}
.player .nov{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:#0B1430 center/cover;text-align:center;padding:20px}
.player .nov::before{content:"";position:absolute;inset:0;background:rgba(6,10,22,.72)}
.player .nov>*{position:relative}
.player .nov b{font:700 20px var(--d)}
.player .nov span{color:var(--dim);font-size:15px;max-width:42ch}
.resume{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:rgba(4,8,20,.72);backdrop-filter:blur(3px);z-index:3}
.resume .pn{padding:24px 28px;text-align:center;border-radius:20px;background:#0E1736;border:1px solid rgba(245,185,66,.4);box-shadow:0 20px 50px rgba(0,0,0,.6)}
.resume b{display:block;font:700 18px var(--d);margin-bottom:14px}
.resume .row{display:flex;gap:10px;justify-content:center}
.resume .btn{min-height:46px;padding:0 20px;font-size:15px}
.below{display:flex;flex-wrap:wrap;gap:12px;margin:18px 0 0}
.recap{margin-top:26px;padding:26px 28px}
.recap h3{font-size:20px;margin:10px 0 6px}
.recap p.s{margin:0 0 16px;color:var(--dim);font-size:15px}
.rc{display:flex;gap:14px;align-items:flex-start;padding:12px 4px;border-top:1px solid var(--line);cursor:pointer}
.rc:first-of-type{border-top:0}
.rc .bx{width:28px;height:28px;border-radius:9px;border:2px solid rgba(255,255,255,.3);flex:0 0 auto;display:flex;align-items:center;justify-content:center;color:#062E1F;font-size:16px;margin-top:1px;transition:all .2s}
.rc.on .bx{background:var(--goldg);border-color:transparent}
.rc span{font-size:16px;line-height:1.5}
.rc.on span{color:var(--dim)}
.aside{position:sticky;top:24px;display:grid;gap:18px}
.aside .card{padding:22px}
.aside h3{font-size:17px;margin:8px 0 12px}
.aside .lrow{padding:10px}
.aside .lrow .num{font-variant-numeric:tabular-nums;width:34px}
.nextc{display:block;padding:20px 22px}
.nextc small{color:var(--faint);font-size:13px}
.nextc b{display:block;margin-top:4px;font-size:16px;line-height:1.35}

/* materials */
.mat{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:16px}
.mi{display:flex;gap:14px;align-items:center;padding:18px 20px}
.mi .ic{width:46px;height:46px;border-radius:14px;background:rgba(245,185,66,.14);display:flex;align-items:center;justify-content:center;color:var(--gold0);font-size:22px;flex:0 0 auto}
.mi b{display:block;font-size:15px;line-height:1.35}
.mi small{color:var(--faint);font-size:13px}
.mi:hover{transform:translateY(-1px)}
.pdfl{display:grid;gap:6px;padding:10px 12px}
.pdfl a{display:flex;align-items:center;gap:12px;padding:12px;border-radius:12px}
.pdfl a:hover{background:rgba(255,255,255,.05)}
.pdfl a .num{font:600 13px var(--t);color:var(--faint);width:40px}
.pdfl a svg{margin-left:auto;font-size:20px;color:var(--gold0)}

/* certificate */
.cert{position:relative;max-width:900px;aspect-ratio:1.414;margin:0 auto;border-radius:20px;padding:4%;background:linear-gradient(160deg,#FFF9EC,#F6E9CC);color:#0B1430;box-shadow:0 40px 90px rgba(0,0,0,.5);overflow:hidden}
.cert .fr{position:absolute;inset:2.4%;border:2px solid #C9A04E;border-radius:12px}
.cert .fr2{position:absolute;inset:3.6%;border:1px solid rgba(201,160,78,.6);border-radius:8px}
.cert .in{position:relative;height:100%;display:flex;flex-direction:column;align-items:center;text-align:center;justify-content:center;gap:1.4%;padding:3% 0 21%;box-sizing:border-box}
.cert .org{font:700 clamp(10px,1.4vw,15px) var(--d);letter-spacing:.32em;color:#0B1430}
.cert .ct{font:900 clamp(30px,6vw,64px)/1 var(--d);background:linear-gradient(120deg,#B07D1F,#E9C066 45%,#B07D1F 70%);-webkit-background-clip:text;background-clip:text;color:transparent;margin:2% 0 1%}
.cert .gv{font:600 clamp(9px,1.1vw,12px) var(--d);letter-spacing:.4em;color:#8A6A2E}
.cert .nm{font:400 clamp(30px,5.6vw,62px)/1.1 Georgia,'Times New Roman',serif;color:#0B1430;border-bottom:2px solid #C9A04E;padding:0 4% 1.5%;margin:1% 0}
.cert .for{font-size:clamp(12px,1.6vw,18px);color:#33405E}
.cert .cn{font:800 clamp(18px,3vw,34px) var(--d);color:#0B1430}
.cert .tp{font-size:clamp(10px,1.2vw,14px);color:#5A6684}
.cert .foot{position:absolute;left:6.5%;right:6.5%;bottom:9%;display:flex;align-items:flex-end;justify-content:space-between;gap:12px}
.cert .foot .col{text-align:center;font-size:clamp(9px,1.1vw,13px);color:#5A6684}
.cert .foot .col b{display:block;font:600 clamp(12px,1.6vw,18px) var(--t);color:#0B1430;border-bottom:1px solid #C9A04E;padding-bottom:4px;margin-bottom:4px}
.cert .seal{width:clamp(64px,13%,124px);height:auto;flex:0 0 auto;filter:drop-shadow(0 6px 14px rgba(140,100,24,.45))}
.cert .qr{width:clamp(46px,9%,92px);text-align:center;font-size:clamp(7px,.9vw,10px);color:#5A6684}
.cert .qr svg{width:100%;height:auto}
.cert .no{position:absolute;left:0;right:0;text-align:center;bottom:5%;font:500 clamp(7px,.9vw,11px) monospace;color:#8A93AA}
.cert.lock{filter:blur(6px) saturate(.6);opacity:.55}
.certwrap{position:relative}
.certwrap .lk{position:absolute;inset:0;display:flex;align-items:center;justify-content:center}
.certwrap .lk .glass{padding:26px 30px;text-align:center;max-width:420px}
.certwrap .lk b{display:block;font:700 19px var(--d);margin:10px 0 8px}
.certwrap .lk p{margin:0 0 16px;color:var(--dim);font-size:15px}

/* invite & help */
.inv{padding:30px 32px;max-width:760px}
.inv h2{font-size:24px;margin:12px 0 10px}
.inv p{color:var(--dim);margin:0 0 20px}
.link{display:flex;gap:10px;align-items:center;padding:8px 8px 8px 18px;border-radius:16px;background:rgba(0,0,0,.25);border:1px solid var(--line);margin-bottom:16px}
.link code{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font:500 15px var(--t);color:var(--gold1)}
.link .btn{min-height:44px;padding:0 18px;font-size:15px}
.steps3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px}
.steps3 div{padding:16px;border-radius:16px;background:rgba(255,255,255,.04);font-size:15px;color:var(--dim)}
.steps3 b{display:block;font:700 22px var(--d);color:var(--gold0);margin-bottom:6px}
.help{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px;max-width:860px}
.help a{display:flex;flex-direction:column;gap:10px;padding:22px}
.help a .ic{width:50px;height:50px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px}
.help a b{font-size:17px}
.help a small{color:var(--faint);font-size:14px}
.help a.off{opacity:.5;pointer-events:none}

/* modal, toast */
.modal{position:fixed;inset:0;z-index:100;background:rgba(3,6,14,.7);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;padding:20px}
.modal[hidden]{display:none}
.welcome{width:min(520px,100%);padding:32px 30px;text-align:center}
.welcome .ic{width:60px;height:60px;border-radius:18px;margin:0 auto 14px;background:var(--goldg);color:#2E1C00;display:flex;align-items:center;justify-content:center;font-size:28px}
.welcome h2{font-size:24px;margin-bottom:6px}
.welcome>p{color:var(--dim);margin:0 0 20px}
.welcome ol{list-style:none;margin:0 0 22px;padding:0;display:grid;gap:10px;text-align:left}
.welcome li{display:flex;gap:14px;align-items:flex-start;padding:14px 16px;border-radius:16px;background:rgba(255,255,255,.05);border:1px solid var(--line)}
.welcome li i{font:700 16px var(--d);color:var(--gold0);font-style:normal;margin-top:1px}
.welcome li b{display:block;font-size:16px}
.welcome li span{color:var(--dim);font-size:14px}
.welcome .btn{width:100%}
.toast{position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);opacity:0;padding:14px 22px;border-radius:14px;background:#13204A;border:1px solid rgba(245,185,66,.4);font-weight:600;z-index:120;transition:all .3s;pointer-events:none}
.toast.on{opacity:1;transform:translate(-50%,0)}
.demo{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:10px;background:rgba(76,123,255,.15);border:1px solid rgba(76,123,255,.45);font-size:13px;color:#BFD0FF;margin-bottom:18px}

@media (max-width:1100px){
  .les{grid-template-columns:1fr}
  .aside{position:static}
  .hero{grid-template-columns:1fr}
  .hero .cv{min-height:200px;aspect-ratio:16/9}
  .hero .cv::after{background:linear-gradient(180deg,transparent 55%,rgba(9,15,33,.9))}
}
@media (max-width:860px){
  :root{--side:0px}
  body{font-size:16px}
  .side{display:none}
  .main{margin:0;padding:20px 16px 110px}
  .tabs{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:30;padding:8px 6px calc(8px + env(safe-area-inset-bottom));background:rgba(6,10,22,.94);backdrop-filter:blur(14px);border-top:1px solid var(--line)}
  .tabs a{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px 2px;border-radius:12px;font-size:11px;font-weight:600;color:var(--faint)}
  .tabs a svg{font-size:22px}
  .tabs a.on{color:var(--gold0)}
  .grid2{grid-template-columns:1fr}
  .card,.recap,.inv{padding:22px 20px}
  .hero .tx{padding:22px 20px}
  .hero .acts .btn{flex:1 1 100%}
  .prog{flex-direction:column;align-items:flex-start}
  .steps3{grid-template-columns:1fr}
  .cert{aspect-ratio:auto;min-height:0;padding:30px 18px 110px}
  .cert .foot{bottom:20px}
}

@media print{
  body{background:#fff}
  .side,.tabs,.bg,.hello,.below,.demo,.toast,.modal{display:none!important}
  .main{margin:0;padding:0}
  .cert{box-shadow:none;max-width:none;width:100%}
}

/* вход */
body.auth .side,body.auth .tabs{display:none}
body.auth .main{margin:0;max-width:none;min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px 16px}
.login{width:100%;max-width:440px;padding:34px 28px;display:flex;flex-direction:column;gap:14px;text-align:center}
.login img{width:64px;height:64px;border-radius:18px;margin:0 auto 6px}
.login h1{margin:0}
.login p{color:var(--dim);margin:0;font-size:16px;line-height:1.5}
.login p b{color:var(--ink,#fff)}
.login form{display:flex;flex-direction:column;gap:12px;margin-top:6px;text-align:left}
.login label{display:flex;flex-direction:column;gap:6px;font-size:14px;color:var(--dim)}
.login input{font:600 18px var(--t);color:#fff;background:rgba(6,10,22,.6);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:14px 16px;outline:none}
.login input:focus{border-color:var(--gold1,#F5B942)}
.login .btn{justify-content:center;width:100%}
.login .err{background:rgba(255,120,90,.12);border:1px solid rgba(255,120,90,.35);color:#FFC2B3;border-radius:14px;padding:12px 14px;font-size:15px;line-height:1.45}

/* ученики (страница автора) */
.adm form{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.adm input{flex:1 1 200px;font:600 17px var(--t);color:#fff;background:rgba(6,10,22,.6);border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:13px 15px;outline:none}
.adm input:focus{border-color:var(--gold1,#F5B942)}
.adm .msg{margin-top:16px;padding:16px;border-radius:16px;background:rgba(6,10,22,.55);border:1px solid rgba(245,185,66,.35)}
.adm .msg pre{white-space:pre-wrap;word-break:break-all;font:15px/1.5 var(--t);color:var(--dim);margin:10px 0 14px}
.adm .msg .row{display:flex;gap:10px;flex-wrap:wrap}
.alist{padding:6px 18px}
.arow{display:flex;align-items:center;gap:10px;padding:14px 0;border-bottom:1px solid rgba(255,255,255,.08)}
.arow:last-child{border-bottom:0}
.arow>span{flex:1;min-width:0}
.arow b{display:block;font-size:16px}
.arow small{color:var(--dim);font-size:13.5px}
.arow .btn{padding:9px 14px;font-size:14px}
.arow.off b,.arow.off small{opacity:.45}
@media (max-width:640px){.arow{flex-wrap:wrap}.arow>span{flex-basis:100%}}

/* ── «вау»: фон-чертёж, приветствие, факт дня, дом, бонус, медали, конфетти */
.bg canvas{position:absolute;inset:0;width:100%;height:100%}
.fxc{position:fixed;inset:0;width:100vw;height:100vh;pointer-events:none;z-index:200}
.hello .hl{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.streak{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:rgba(245,185,66,.12);border:1px solid rgba(245,185,66,.4);font-size:13.5px;color:var(--gold1)}
.streak svg{width:15px;height:15px;color:#FF9F43}
.streak b{font:800 14px var(--t);color:#fff}
.ty .caret{display:inline-block;width:3px;height:.9em;margin-left:4px;background:var(--gold0);vertical-align:-.08em;animation:blink .8s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.fact{display:flex;align-items:center;gap:14px;margin-top:16px;padding:14px 18px;border-radius:16px;background:linear-gradient(100deg,rgba(245,185,66,.14),rgba(76,123,255,.08)),rgba(10,17,40,.88);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(245,185,66,.28);max-width:880px}
.fact .fk{display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;font:700 12px var(--t);letter-spacing:.12em;text-transform:uppercase;color:var(--gold0)}
.fact .fk svg{width:15px;height:15px}
.fact .ft{flex:1;font-size:15.5px;line-height:1.45}
.fact .fl{flex:0 0 auto;display:inline-flex;align-items:center;gap:4px;font-size:13.5px;color:var(--faint)}
.fact .fl svg{width:15px;height:15px}
.fact:hover{border-color:rgba(245,185,66,.55)}
.hcard{display:flex;align-items:center;gap:22px}
.house{flex:0 0 52%;max-width:330px}
.house-svg{width:100%;height:auto;display:block;overflow:visible}
.fl-new{animation:floorUp .7s cubic-bezier(.2,.8,.2,1) both}
@keyframes floorUp{from{opacity:0;transform:translateY(-28px)}to{opacity:1;transform:none}}
.fl-edge{animation:edge 1.6s ease-in-out infinite}
@keyframes edge{50%{opacity:.25}}
.hx{flex:1;min-width:0;padding-bottom:6px}
.hx .fl{display:flex;align-items:baseline;gap:8px;margin:10px 0 6px}
.hx .fl b{font:800 52px/1 var(--d);letter-spacing:-.03em;background:var(--goldg);-webkit-background-clip:text;background-clip:text;color:transparent}
.hx .fl span{color:var(--dim);font-size:15px}
.hx p{margin:0 0 12px;color:var(--dim);font-size:15px;line-height:1.45}
.hx p b{color:#fff}
.hx ul{list-style:none;margin:0;padding:0;display:grid;gap:6px;color:var(--dim);font-size:14.5px}
.hx li b{color:#fff}
.bonus{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:6px;cursor:pointer;width:100%;color:inherit;font:inherit;position:relative;overflow:hidden}
.bonus::before{content:"";position:absolute;inset:-40%;background:radial-gradient(circle at 50% 40%,rgba(245,185,66,.18),transparent 55%);pointer-events:none}
.bonus h3{margin:0}
.bonus p{margin:0;color:var(--dim);font-size:15px}
.bonus .gift{width:118px;height:auto;margin-bottom:4px;animation:giftFloat 3s ease-in-out infinite;overflow:visible}
@keyframes giftFloat{50%{transform:translateY(-6px) rotate(-2deg)}}
.bonus .gift .lid{transform-box:fill-box;transform-origin:50% 100%}
.bonus.opening .gift{animation:giftShake .6s ease-in-out}
.bonus.opening .gift .lid{animation:lidOff .7s .55s cubic-bezier(.3,.7,.3,1) forwards}
@keyframes giftShake{20%{transform:rotate(-8deg)}40%{transform:rotate(7deg)}60%{transform:rotate(-5deg)}80%{transform:rotate(3deg)}}
@keyframes lidOff{to{transform:translate(18px,-70px) rotate(28deg);opacity:0}}
.bonus.open{align-items:stretch;text-align:left;cursor:default}
.bonus.open .bi{display:grid;gap:8px;margin-top:12px}
.bonus.open .bi a{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid var(--line)}
.bonus.open .bi a:hover{border-color:rgba(245,185,66,.45)}
.bonus.open .bi svg{width:22px;height:22px;color:var(--gold0);flex:0 0 auto}
.bonus.open .bi b{display:block;font-size:15px}
.bonus.open .bi small{color:var(--dim);font-size:13px}
.bonus.reveal .bi a{animation:pop .5s both}
.bonus.reveal .bi a:nth-child(2){animation-delay:.08s}.bonus.reveal .bi a:nth-child(3){animation-delay:.16s}.bonus.reveal .bi a:nth-child(4){animation-delay:.24s}
@keyframes pop{from{opacity:0;transform:translateY(12px) scale(.96)}}
.mshelf{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-top:14px}
.mshelf a{display:block}
.medal{width:100%;height:auto;display:block}
.medal.on{filter:drop-shadow(0 4px 10px rgba(245,185,66,.45));animation:shine 3.5s ease-in-out infinite}
@keyframes shine{50%{filter:drop-shadow(0 4px 16px rgba(245,185,66,.75))}}
.mrow.full,.acc.full{box-shadow:inset 0 0 0 1px rgba(245,185,66,.45),0 0 30px rgba(245,185,66,.12);background:linear-gradient(100deg,rgba(245,185,66,.1),transparent 60%)}
.mrow.full .cnt,.acc.full>button .cnt{color:var(--gold0)}
.mrow .mn .medal,.acc>button .mn .medal{width:30px}
@media (max-width:860px){
  .hcard{flex-direction:row;align-items:flex-end}
  .house{flex-basis:44%}
  .hx .fl b{font-size:44px}
  .fact{flex-wrap:wrap;gap:8px}
  .fact .ft{flex-basis:100%;order:2}
  .fact .fl{order:3}
}

.cert .qr svg rect{fill:transparent}
.cert .qr svg path{fill:#0B1430}
.sample{display:flex;align-items:center;gap:10px;max-width:900px;margin:0 auto 16px;padding:13px 18px;border-radius:14px;background:rgba(245,185,66,.12);border:1px solid rgba(245,185,66,.4);color:var(--gold1);font-size:15px}
.sample svg{width:18px;height:18px;flex:0 0 auto}
.login .okc{width:64px;height:64px;margin:4px auto 0;border-radius:50%;background:var(--goldg);color:#2E1C00;font:800 32px/64px var(--t)}
.house-svg .star{animation:twinkle 3.2s ease-in-out infinite}
@keyframes twinkle{50%{opacity:.25}}
.arow small{display:block}
.arow small.dev{margin-top:2px}
.arow small.dev.full{color:var(--gold1)}

/* the free first lesson page (#/free) */
body.free .main{align-items:flex-start;padding:28px 16px 60px}
.freep{width:100%;max-width:860px;display:flex;flex-direction:column;gap:18px}
.fhead{display:flex;align-items:center;gap:16px}
.fhead img{width:56px;height:56px;border-radius:16px;border:2px solid var(--gold0)}
.fhead h1{font-size:clamp(22px,4.2vw,32px);margin-top:8px}
.fbox{padding:22px 24px;display:flex;flex-direction:column;gap:12px}
.fbox h3{font-size:20px}
.fbox ul{margin:0;padding-left:20px;color:var(--dim);display:grid;gap:6px}
.fbox p{margin:0;color:var(--dim)}
.fbuy{border:1px solid rgba(245,185,66,.45);box-shadow:0 0 40px rgba(245,185,66,.12)}
.fprog h3{font-size:20px;margin:6px 0 10px}
.fmod{margin-bottom:14px}
.fmod b{display:block;font:700 15px var(--d);color:var(--gold1);margin-bottom:6px}
.fl{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;color:var(--faint);font-size:15px}
.fl .fic{width:22px;height:22px;flex:none;display:flex;align-items:center;justify-content:center}
.fl .fic svg{width:18px;height:18px}
.fl.on{background:rgba(245,185,66,.12);box-shadow:inset 0 0 0 1px rgba(245,185,66,.45);color:var(--text);font-weight:600}
.fl.on .fic{color:var(--gold0)}
.fl em{margin-left:auto;font:700 12px var(--t);font-style:normal;letter-spacing:.08em;text-transform:uppercase;color:#2E1C00;background:var(--goldg);padding:5px 9px;border-radius:8px}