:root{--ink:#0a1f44;--blue-900:#0a1f44;--blue-700:#0c2a47;--blue-600:#123a63;--blue-500:#17487a;--blue-400:#2160a0;--blue-300:#6f96c2;--blue-100:#eaeef4;--sky:#e3e9f1;--success:#15a36a;--danger:#d64550;--success-text:#118154;--danger-text:#c7404a;--bg:#fff;--surface:#fff;--surface-2:#f4f8ff;--section-alt:#f5f6f9;--text:#0a1f44;--text-soft:#51618a;--text-faint:#677088;--border:#e4ebf7;--border-strong:#d2ddf0;--shadow:0 1px 2px rgba(10,31,68,.04),0 8px 24px -12px rgba(10,31,68,.14),0 24px 48px -30px rgba(10,31,68,.2);--shadow-lift:0 2px 4px rgba(10,31,68,.05),0 14px 34px -14px rgba(10,31,68,.18),0 34px 66px -34px rgba(10,31,68,.26);--glass:hsla(0,0%,100%,.72);--gold:#c79a3b;--gold-soft:rgba(199,154,59,.3);--gold-text:#8b6c29;--maxw:1200px;--radius:18px;--radius-lg:28px;--ease:cubic-bezier(0.22,1,0.36,1);--font-display:var(--f-display),system-ui,sans-serif;--font-body:var(--f-body),system-ui,sans-serif}html[data-theme=dark]{--bg:#060d1f;--surface:#0b1730;--surface-2:#0e1c3a;--section-alt:#0b1630;--text:#eaf1ff;--text-soft:#9db0d6;--text-faint:#7d8eb4;--gold-text:#d9ad52;--success-text:#3ecf94;--danger-text:#ff8189;--border:hsla(0,0%,100%,.09);--border-strong:hsla(0,0%,100%,.16);--shadow:0 1px 2px rgba(0,0,0,.3),0 10px 30px -14px rgba(0,0,0,.5),0 30px 60px -32px rgba(0,0,0,.6);--shadow-lift:0 2px 6px rgba(0,0,0,.35),0 16px 40px -16px rgba(0,0,0,.55),0 40px 72px -34px rgba(0,0,0,.66);--glass:rgba(8,18,40,.66)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased}body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.55;letter-spacing:-.011em;transition:background .4s var(--ease),color .4s var(--ease);overflow-x:clip}a{color:inherit;text-decoration:none}::selection{background:rgba(199,154,59,.26);color:var(--ink)}html[data-theme=dark] ::selection{background:rgba(199,154,59,.34);color:#fff}.display{font-family:var(--font-display);font-weight:700;letter-spacing:-.03em}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 26px}@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}.reveal.in{opacity:1;transform:none}.eyebrow{display:inline-flex;align-items:center;gap:10px;font-size:12.5px;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--text-faint);margin-bottom:16px;flex-wrap:wrap;max-width:100%}.eyebrow:before{content:"";width:24px;height:2px;border-radius:2px;background:#c79a3b;flex-shrink:0}.hd{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:var(--glass);backdrop-filter:saturate(160%) blur(18px);-webkit-backdrop-filter:saturate(160%) blur(18px);border-bottom:1px solid var(--border)}.hd-in{height:66px;display:flex;align-items:center;justify-content:space-between}.hd-logo img{height:30px;border-radius:5px;display:block}.hd-nav{display:flex;align-items:center;gap:30px}.hd-link{font-size:14.5px;color:var(--text-soft);font-weight:600;transition:color .2s}.hd-link.active,.hd-link:hover{color:var(--text)}.hd-link.active{position:relative}.hd-link.active:after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;background:var(--text)}.hd-mobile-link.active{color:var(--text)}.search-hit{display:block;text-align:left;padding:14px 16px;border:1px solid var(--border);border-radius:11px;background:var(--surface);transition:border-color .15s,background .15s}.search-hit:hover{border-color:var(--border-strong);background:var(--surface-2)}.star-btn{background:none;border:none;padding:0;margin:0;display:inline-block;position:relative;cursor:pointer;border-radius:3px}.star-btn:focus-visible{outline:2px solid var(--blue-400);outline-offset:2px}.hd-search{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:10px;color:var(--text-soft);transition:color .2s,background .2s}.hd-search:hover{color:var(--text);background:var(--surface-2)}.hd-right{display:flex;align-items:center;gap:14px}.hd-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;border:1px solid var(--border-strong);border-radius:10px;background:var(--surface);cursor:pointer;padding:0 9px}.hd-burger span{display:block;height:2px;width:100%;background:var(--text);border-radius:2px}.hd-mobile{display:none;overflow:hidden;max-height:0;visibility:hidden;transition:max-height .28s ease,visibility 0s .28s;background:var(--glass);backdrop-filter:saturate(160%) blur(18px);-webkit-backdrop-filter:saturate(160%) blur(18px)}.hd-mobile,.hd-mobile.is-open{border-bottom:1px solid var(--border)}.hd-mobile.is-open{max-height:380px;visibility:visible;transition:max-height .28s ease,visibility 0s 0s}.hd-mobile-nav{display:flex;flex-direction:column;gap:2px;padding:8px 26px 18px}.hd-mobile-link{font-size:16px;font-weight:600;color:var(--text-soft);padding:13px 2px;border-bottom:1px solid var(--border)}.hd-mobile-link:hover,.theme-btn{color:var(--text)}.theme-btn{width:38px;height:38px;border-radius:50%;border:1px solid var(--border-strong);background:var(--surface);cursor:pointer;display:grid;place-items:center;transition:all .2s var(--ease)}.theme-btn:hover{border-color:var(--blue-500);color:var(--blue-500)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:inherit;font-weight:700;font-size:15px;padding:13px 26px;border-radius:100px;border:1px solid transparent;cursor:pointer;transition:all .22s var(--ease);white-space:nowrap}.btn:disabled,.btn[disabled]{opacity:.6;cursor:default}.btn:disabled:hover,.btn[disabled]:hover{transform:none}.btn-primary{background:var(--blue-600);color:#fff;box-shadow:0 12px 26px -12px rgba(12,42,71,.6)}.btn-primary:hover{background:var(--blue-500);transform:translateY(-2px);box-shadow:0 16px 30px -12px rgba(12,42,71,.7)}.btn-white{background:#fff;color:var(--blue-700)}.btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 28px -14px rgba(0,0,0,.4)}.btn-ghost{background:transparent;color:var(--text);border-color:var(--border-strong)}.btn-ghost:hover{border-color:var(--blue-500);color:var(--blue-500)}.btn-ghost-light{background:hsla(0,0%,100%,.08);color:#fff;border-color:hsla(0,0%,100%,.32)}.btn-ghost-light:hover{border-color:#fff;background:hsla(0,0%,100%,.15)}.btn-block{width:100%}.hero{position:relative;overflow:hidden;background:var(--bg);color:var(--text);border-bottom:1px solid var(--border)}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(26px)}}.hero-dots{position:absolute;inset:0;background-image:radial-gradient(rgba(16,52,88,.09) 1px,transparent 0);background-size:26px 26px;mask-image:radial-gradient(130% 105% at 76% 34%,#000 0,transparent 58%);-webkit-mask-image:radial-gradient(130% 105% at 76% 34%,#000 0,transparent 58%)}.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.02fr .98fr;grid-gap:54px;gap:54px;align-items:center;padding:86px 0 90px}.hero-copy{text-align:left}.hero-kicker{display:inline-flex;align-items:center;gap:11px;font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.13em;color:var(--text-faint);margin-bottom:22px;flex-wrap:wrap;max-width:100%}.hero-kicker:before{content:"";width:26px;height:2px;border-radius:2px;background:#c79a3b;flex-shrink:0}.hero h1{font-family:var(--font-display);font-weight:700;font-size:clamp(40px,5vw,62px);line-height:1.04;letter-spacing:-.035em;max-width:15ch;margin:0 0 22px}.hero h1 .hl{color:var(--blue-600);background-image:linear-gradient(transparent 62%,rgba(199,154,59,.34) 0);background-repeat:no-repeat}html[data-theme=dark] .hero h1 .hl{color:var(--blue-300);background-image:linear-gradient(transparent 62%,rgba(199,154,59,.28) 0)}.hero-sub{font-size:clamp(16.5px,1.4vw,19px);color:var(--text-soft);max-width:47ch;margin:0 0 32px;line-height:1.62}.hero-cta{display:flex;gap:14px;justify-content:flex-start;flex-wrap:wrap}.hero-note{margin-top:18px;font-size:13px;color:var(--text-faint)}.hero-preview{position:relative;z-index:2}.hero-preview .dash{grid-template-columns:1fr;box-shadow:0 34px 80px -34px rgba(10,31,68,.42),0 6px 16px -10px rgba(10,31,68,.16)}@media (max-width:900px){.hero-grid{grid-template-columns:1fr;gap:40px;padding:60px 0 66px}.hero-copy{max-width:640px}.hero h1{max-width:18ch}.hero-sub{max-width:none}}.dash{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:22px;box-shadow:0 50px 110px -42px rgba(10,31,68,.55);display:grid;grid-template-columns:1.4fr 1fr;grid-gap:18px;gap:18px}.dash-card{background:var(--surface-2);border:1px solid var(--border);border-radius:14px;padding:18px}.dash-card .ttl{font-size:12.5px;color:var(--text-soft);margin-bottom:14px;display:flex;justify-content:space-between;font-weight:600}.dash-big{font-family:var(--font-display);font-weight:700;font-size:32px;color:var(--text)}.dash-big small{font-size:13px;color:var(--success-text);margin-left:8px;font-weight:700}.spark{display:flex;align-items:flex-end;gap:5px;height:56px;margin-top:14px}.spark i{flex:1 1;background:linear-gradient(180deg,var(--blue-500),rgba(16,52,88,.25));border-radius:3px 3px 0 0;display:block}.dash-rows{display:flex;flex-direction:column;gap:14px}.dash-row{display:flex;align-items:center;gap:12px}.dash-row .ring{width:38px;height:38px;border-radius:50%;background:conic-gradient(var(--blue-500) var(--p,70%),var(--border) 0);display:grid;place-items:center;flex-shrink:0}.dash-row .ring i{width:28px;height:28px;border-radius:50%;background:var(--surface);display:grid;place-items:center;font-size:10px;color:var(--blue-600);font-style:normal;font-weight:700}.dash-row .meta{flex:1 1}.dash-row .meta b{display:block;font-size:13.5px;color:var(--text);font-weight:700}.dash-row .meta span{font-size:12px;color:var(--text-soft)}.dash-continue{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 17px;border-radius:13px;color:#fff;background:linear-gradient(135deg,#16467a,#0c2a47)}.dash-continue-k{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:hsla(0,0%,100%,.7)}.dash-continue-t{font-family:var(--font-display);font-weight:800;font-size:15.5px;margin-top:3px}.dash-continue-d{font-size:11.5px;color:hsla(0,0%,100%,.72);margin-top:3px}.dash-continue-go{width:32px;height:32px;flex:none;display:grid;place-items:center;border-radius:50%;background:hsla(0,0%,100%,.14);font-size:15px}.section{padding:100px 0}.section.first{padding-top:92px}.s-head{max-width:700px;margin:0 auto 56px;text-align:center}.s-head h2{font-family:var(--font-display);font-weight:700;font-size:clamp(30px,4.4vw,48px);line-height:1.08;letter-spacing:-.035em}.s-head p{font-size:18px;color:var(--text-soft);margin-top:16px}.bg-soft{background:var(--surface-2)}.values{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:22px;gap:22px}.vcard{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px 28px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);box-shadow:0 1px 2px rgba(10,31,68,.03),0 6px 16px -10px rgba(10,31,68,.09)}.vcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:var(--blue-300)}.vcard .vico{width:50px;height:50px;border-radius:14px;background:var(--blue-100);color:var(--blue-600);display:grid;place-items:center;margin-bottom:20px}html[data-theme=dark] .vcard .vico{background:rgba(33,96,160,.16);color:var(--blue-300)}.vcard h3{font-family:var(--font-display);font-weight:700;font-size:20px;letter-spacing:-.02em;margin-bottom:10px}.vcard p{color:var(--text-soft);font-size:15px}.feat{display:grid;grid-template-columns:1fr 1fr;grid-gap:60px;gap:60px;align-items:center;padding:60px 0}.feat.rev .feat-copy{order:2}.feat-copy h3{font-family:var(--font-display);font-weight:700;font-size:clamp(26px,3.4vw,38px);letter-spacing:-.03em;line-height:1.12;margin-bottom:16px}.feat-copy p{color:var(--text-soft);font-size:16.5px;margin-bottom:22px}.feat-list{list-style:none;display:flex;flex-direction:column;gap:11px}.feat-list li{display:flex;gap:11px;align-items:flex-start;font-size:15px}.feat-list .ck{color:var(--blue-500);flex-shrink:0;margin-top:1px;font-weight:700}.feat-visual{background:linear-gradient(160deg,var(--blue-700),var(--blue-900));border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;min-height:320px;box-shadow:var(--shadow);position:relative;overflow:hidden}.feat-visual:after{content:"";position:absolute;inset:0;background:radial-gradient(420px 260px at 80% 0,rgba(111,150,194,.3),transparent 60%)}.mock-player{position:relative;z-index:1}.mock-screen{background:#08142e;border:1px solid hsla(0,0%,100%,.12);border-radius:14px;aspect-ratio:16/9;display:grid;place-items:center}.mock-screen .play{width:64px;height:64px;border-radius:50%;background:hsla(0,0%,100%,.14);border:1px solid hsla(0,0%,100%,.3);display:grid;place-items:center;color:#fff}.mock-ai{margin-top:14px;background:hsla(0,0%,100%,.07);border:1px solid hsla(0,0%,100%,.14);border-radius:12px;padding:13px 15px}.mock-ai .who{font-size:11px;font-weight:700;color:var(--blue-300);margin-bottom:6px;letter-spacing:.05em;text-transform:uppercase}.mock-ai .msg{font-size:13.5px;color:hsla(0,0%,100%,.88);line-height:1.5}.mock-quiz{position:relative;z-index:1;display:flex;flex-direction:column;gap:11px}.mq-q{color:#fff;font-size:15px;font-weight:700;margin-bottom:6px}.mq-opt{background:hsla(0,0%,100%,.07);border:1px solid hsla(0,0%,100%,.14);border-radius:11px;padding:13px 15px;font-size:14px;color:hsla(0,0%,100%,.88);display:flex;justify-content:space-between;align-items:center}.mq-opt.ok{border-color:var(--success);background:rgba(21,163,106,.18);color:#fff}.mq-xp{font-size:12px;font-weight:700;color:var(--blue-300);align-self:flex-end}.mock-calc{position:relative;z-index:1}.mc-screen{background:#06112a;border:1px solid hsla(0,0%,100%,.14);border-radius:12px;padding:16px}.mc-row{display:flex;justify-content:space-between;font-size:13px;padding:6px 0;border-bottom:1px dashed hsla(0,0%,100%,.1)}.mc-row span:first-child{color:hsla(0,0%,100%,.6)}.mc-row span:last-child{color:var(--blue-300);font-weight:600}.mc-result{display:flex;justify-content:space-between;align-items:baseline;margin-top:12px}.mc-result .k{font-size:13px;color:var(--blue-300);font-weight:700}.mc-result .v{font-family:var(--font-display);font-weight:700;font-size:26px;color:#fff}.paths{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:16px;gap:16px}.pcard{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px 24px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);box-shadow:0 1px 2px rgba(10,31,68,.03),0 6px 16px -10px rgba(10,31,68,.09)}.pcard:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:var(--blue-400)}.pcard .lv{font-size:12px;font-weight:700;color:var(--blue-500);letter-spacing:.05em;text-transform:uppercase;margin-bottom:12px}.pcard h4{font-family:var(--font-display);font-weight:700;font-size:18px;letter-spacing:-.02em;margin-bottom:7px}.pcard p{font-size:13.5px;color:var(--text-soft)}.teacher{display:grid;grid-template-columns:210px 1fr;grid-gap:46px;gap:46px;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);padding:44px 48px;box-shadow:var(--shadow)}.teacher-photo{aspect-ratio:1;width:210px;overflow:hidden;border-radius:14px;background:linear-gradient(155deg,var(--blue-500),var(--blue-900));display:grid;place-items:center;color:#fff;font-size:52px;letter-spacing:.02em;border:1px solid var(--border-strong);box-shadow:0 14px 34px -18px rgba(10,31,68,.38)}.teacher-copy h3,.teacher-photo{font-family:var(--font-display);font-weight:700}.teacher-copy h3{font-size:28px;letter-spacing:-.03em;margin-bottom:6px}.teacher-copy .role{color:var(--blue-500);font-weight:600;font-size:14px;margin-bottom:18px}.teacher-copy p{color:var(--text-soft);font-size:16px;line-height:1.65}.teacher-creds{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.teacher-creds .cred{font-size:12.5px;font-weight:700;color:var(--blue-600);background:var(--blue-100);padding:6px 13px;border-radius:100px}html[data-theme=dark] .teacher-creds .cred{color:var(--blue-300);background:rgba(33,96,160,.16)}.teacher-links{margin-top:22px;display:flex;gap:10px;flex-wrap:wrap}.teacher-links .btn{font-size:14px;padding:10px 20px}.cta{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:linear-gradient(150deg,#123a63,#0a1f44);color:#fff;padding:80px 40px;text-align:center}.cta-dots{position:absolute;inset:0;background-image:radial-gradient(hsla(0,0%,100%,.1) 1px,transparent 0);background-size:24px 24px;mask-image:radial-gradient(circle at 50% 50%,#000,transparent 75%);-webkit-mask-image:radial-gradient(circle at 50% 50%,#000,transparent 75%)}.cta h2{font-family:var(--font-display);font-weight:700;font-size:clamp(30px,4.4vw,50px);letter-spacing:-.035em;line-height:1.08;margin-bottom:18px}.cta h2,.cta p{position:relative}.cta p{color:hsla(0,0%,100%,.82);font-size:18px;max-width:520px;margin:0 auto 32px}.cta .hero-cta{position:relative}.ft{background:var(--blue-900);color:hsla(0,0%,100%,.62);padding:60px 0 40px}html[data-theme=dark] .ft{background:#060d1f;border-top:1px solid var(--border)}.ft-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px;padding-bottom:36px;border-bottom:1px solid hsla(0,0%,100%,.12)}.ft img{height:26px;border-radius:5px}.ft-cols{display:flex;gap:56px;flex-wrap:wrap}.ft-col h5{color:#fff;font-size:12px;text-transform:uppercase;letter-spacing:.09em;margin-bottom:15px;font-weight:700}.ft-col a{display:block;margin-bottom:10px;font-size:14px;transition:color .2s}.ft-col a:hover{color:#fff}.ft-bottom{padding-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:hsla(0,0%,100%,.6)}.ft-news{margin-top:22px;max-width:330px}.ft-news-t{font-size:13px;font-weight:700;color:#fff;margin-bottom:10px}.ft-news-form{display:flex;gap:8px}.ft-news-form input{flex:1 1;min-width:0;padding:10px 12px;font-size:14px;border-radius:9px;border:1px solid hsla(0,0%,100%,.2);background:hsla(0,0%,100%,.08);color:#fff}.ft-news-form input::placeholder{color:hsla(0,0%,100%,.5)}.ft-news-form input:focus{outline:none;border-color:hsla(0,0%,100%,.5)}.ft-news-form button{padding:10px 16px;font-size:13.5px;font-weight:700;border-radius:9px;border:none;background:#fff;color:var(--blue-700);cursor:pointer;white-space:nowrap}.ft-news-form button:disabled{opacity:.6;cursor:default}.ft-news-ok{font-size:13.5px;color:#8fe3b8;font-weight:600}.ft-news-err{font-size:12.5px;color:#ffb3b3;margin-top:6px}.page-head{background:linear-gradient(150deg,#123a63,#0a1f44);color:#fff;padding:86px 0 66px;text-align:center}.page-head h1{font-family:var(--font-display);font-weight:700;font-size:clamp(34px,5vw,54px);letter-spacing:-.035em;margin-bottom:14px}.page-head p{color:hsla(0,0%,100%,.82);font-size:18px}.courses-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:22px;gap:22px}.course-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);display:flex;flex-direction:column;box-shadow:0 1px 2px rgba(10,31,68,.03),0 6px 16px -10px rgba(10,31,68,.1)}.course-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:var(--blue-400)}.course-top{position:relative;background:linear-gradient(140deg,var(--blue-500),var(--blue-900));height:164px;display:flex;align-items:flex-end;padding:16px 20px;color:hsla(0,0%,100%,.86);font-weight:600;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase}.course-body{padding:24px 22px;flex:1 1;display:flex;flex-direction:column}.course-body h2,.course-body h3{font-family:var(--font-display);font-weight:700;font-size:19.5px;letter-spacing:-.02em;margin-bottom:8px;line-height:1.25}.course-body p{font-size:14px;color:var(--text-soft);flex:1 1;line-height:1.55}.course-meta{display:flex;justify-content:space-between;align-items:center;margin-top:22px;padding-top:18px;border-top:1px solid var(--border)}.course-meta .price{font-family:var(--font-display);font-weight:700;font-size:18px;color:var(--text);letter-spacing:-.01em}.course-meta .hours{color:var(--text-faint);letter-spacing:.04em;text-transform:uppercase}.badge,.course-meta .hours{font-size:12px;font-weight:700}.badge{display:inline-block;text-transform:capitalize;color:var(--blue-600);background:var(--blue-100);padding:3px 11px;border-radius:100px}html[data-theme=dark] .badge{color:var(--blue-300);background:rgba(33,96,160,.16)}.auth-wrap{min-height:calc(100vh - 66px);display:grid;grid-template-columns:1.05fr 1fr}.auth-aside{position:relative;overflow:hidden;color:#fff;padding:70px 64px;display:flex;flex-direction:column;justify-content:center;background:radial-gradient(720px 520px at 10% -8%,rgba(111,150,194,.32),transparent 60%),radial-gradient(640px 520px at 105% 112%,rgba(33,96,160,.3),transparent 55%),linear-gradient(150deg,#123a63,#11297a 48%,#0a1f44)}.auth-aside:before{content:"";position:absolute;inset:0;opacity:.55;background-image:linear-gradient(hsla(0,0%,100%,.05) 1px,transparent 0),linear-gradient(90deg,hsla(0,0%,100%,.05) 1px,transparent 0);background-size:46px 46px;-webkit-mask-image:radial-gradient(circle at 28% 26%,#000,transparent 76%);mask-image:radial-gradient(circle at 28% 26%,#000,transparent 76%)}.auth-aside .deco{position:absolute;right:-30px;bottom:-26px;width:430px;height:auto;opacity:.15;pointer-events:none}.auth-aside .inner{position:relative;z-index:1;max-width:450px}.auth-aside img{height:34px;border-radius:6px;margin-bottom:40px}.auth-aside h2{font-family:var(--font-display);font-weight:800;font-size:clamp(28px,3.2vw,38px);letter-spacing:-.035em;line-height:1.12;margin-bottom:16px}.auth-aside p{color:hsla(0,0%,100%,.82);font-size:16px;line-height:1.6}.auth-points{margin-top:36px;display:flex;flex-direction:column;gap:13px}.auth-point{display:flex;align-items:center;gap:12px;font-size:14.5px;color:hsla(0,0%,100%,.92)}.auth-point svg{flex:none;width:26px;height:26px;padding:5px;border-radius:50%;background:hsla(0,0%,100%,.14);color:#fff}.auth-main{display:flex;align-items:center;justify-content:center;padding:48px 24px;background:var(--bg)}.auth-card{width:100%;max-width:412px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:40px 38px;box-shadow:0 30px 60px -30px rgba(10,31,68,.3)}html[data-theme=dark] .auth-card{box-shadow:0 30px 60px -30px rgba(0,0,0,.6)}.auth-card h1{font-family:var(--font-display);font-weight:800;font-size:28px;letter-spacing:-.03em;margin-bottom:7px}.auth-card .sub{color:var(--text-soft);margin-bottom:28px;font-size:14.5px}.field{margin-bottom:16px}.field label{display:block;font-size:12.5px;font-weight:700;margin-bottom:7px;color:var(--text-soft)}.ip{position:relative}.ip-ic{left:14px;width:18px;height:18px;transition:color .2s var(--ease)}.ip-chev,.ip-ic{position:absolute;top:50%;transform:translateY(-50%);color:var(--text-faint);pointer-events:none}.ip-chev{right:14px;width:16px;height:16px}.field input,.field select{width:100%;padding:13px 15px 13px 42px;font-size:15px;font-family:inherit;border:1px solid var(--border-strong);border-radius:12px;background:var(--surface);color:var(--text);transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}.field select{-moz-appearance:none;appearance:none;-webkit-appearance:none;cursor:pointer;padding-right:40px}.field input:focus,.field select:focus{outline:none;border-color:var(--blue-500);box-shadow:0 0 0 4px rgba(16,52,88,.14)}.ip:focus-within .ip-ic{color:var(--blue-500)}.auth-submit{width:100%;margin-top:6px;justify-content:center;padding:14px;font-size:15px}.cta-pro{border:none}.cta-pro:disabled,.cta-pro[disabled]{opacity:.6;cursor:default}.cta-pro:disabled:hover,.cta-pro[disabled]:hover{transform:none}.cta-pro:disabled:before,.cta-pro[disabled]:before{display:none}.auth-error{background:rgba(214,69,80,.12);color:var(--danger-text);font-size:14px;padding:11px 14px;border-radius:10px;margin-bottom:18px;border:1px solid rgba(214,69,80,.22)}.auth-or{display:flex;align-items:center;gap:12px;margin:18px 0;color:var(--text-faint);font-size:13px}.auth-or:after,.auth-or:before{content:"";flex:1 1;height:1px;background:var(--border)}.auth-google{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:12px;border:1px solid var(--border-strong);border-radius:12px;background:var(--surface);color:var(--text);font-family:inherit;font-weight:600;font-size:14.5px;text-decoration:none;cursor:pointer;transition:border-color .15s var(--ease),background .15s var(--ease)}.auth-google:hover{border-color:var(--blue-400);background:var(--section-alt)}.auth-foot{margin-top:24px;text-align:center;font-size:14px;color:var(--text-soft)}.auth-foot a{color:var(--blue-600);font-weight:700}html[data-theme=dark] .auth-foot a{color:var(--blue-300)}.panel-wrap{max-width:760px;padding:66px 24px}.panel-greet{font-family:var(--font-display);font-weight:700;font-size:30px;letter-spacing:-.03em;margin-bottom:6px}.panel-sub{color:var(--text-soft);margin-bottom:30px}.panel-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:34px;box-shadow:var(--shadow)}.panel-row{display:flex;justify-content:space-between;padding:15px 0;border-top:1px solid var(--border);font-size:15px}.panel-row span:first-child{color:var(--text-soft)}.panel-row span:last-child{font-weight:700}@media (max-width:950px){.dash,.feat,.values{grid-template-columns:1fr}.feat{gap:34px;padding:40px 0}.feat.rev .feat-copy{order:0}.paths{grid-template-columns:repeat(2,1fr)}.teacher{grid-template-columns:1fr;gap:30px;text-align:center}.teacher-photo{max-width:200px;margin:0 auto}.auth-wrap,.courses-grid{grid-template-columns:1fr}.auth-aside{display:none}}@media (max-width:900px){.hd-nav{display:none}.hd-burger{display:inline-flex}.hd-mobile{display:block}.hd-cta{display:none}}@media (max-width:620px){.paths{grid-template-columns:1fr}.section.first{padding-top:56px}}.lesson-content table,.page-content table{border-collapse:collapse;width:100%;margin:26px 0;font-size:15px;table-layout:fixed;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.lesson-content td,.lesson-content th,.page-content td,.page-content th{border:none;border-bottom:1px solid var(--border);padding:12px 14px;vertical-align:top;line-height:1.55}.lesson-content th,.page-content th{background:transparent;font-weight:700;text-align:left;font-size:14px;color:var(--text);border-bottom:1.5px solid var(--border-strong)}.lesson-content tr:last-child td,.page-content tr:last-child td{border-bottom:none}.lesson-content table p,.page-content table p{margin:0}.lesson-figure{margin:24px 0}.lesson-figure-title{font-family:var(--font-display);font-weight:700;font-size:15px;color:var(--text);margin-bottom:10px;line-height:1.4}.lesson-figure-img{display:block;width:100%;border-radius:12px;border:1px solid var(--border)}.ix-math{color:inherit}.ix-math .katex{font-size:1.06em}.ix-math-block{display:block;margin:16px 0;text-align:center;overflow-x:auto;overflow-y:hidden}.ix-math-block .katex{font-size:1.12em}.ix-math .katex .katex-error{color:var(--danger-text)}a.pcard{text-decoration:none;color:inherit;display:block}.pcard .go{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:12.5px;font-weight:800;color:var(--blue-600);transition:gap .2s var(--ease)}.pcard .go:before{content:"";width:7px;height:7px;border-radius:50%;background:#c9a227;flex-shrink:0}.pcard:hover .go{gap:10px}html[data-theme=dark] .pcard .go{color:var(--blue-300)}.pcard .go.soon{color:var(--text-faint);font-weight:700}.pcard .go.soon:before{background:var(--border-strong)}.unis{margin-top:56px;text-align:center}.unis-label{display:inline-flex;align-items:center;gap:11px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--text-faint);margin-bottom:24px}.unis-label:after,.unis-label:before{content:"";width:26px;height:2px;border-radius:2px;background:#c79a3b}.unis-wall{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;max-width:960px;margin:0 auto}.uni-chip{font-size:13.5px;font-weight:600;color:var(--text-soft);background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:9px 17px;transition:border-color .2s var(--ease),color .2s var(--ease)}.uni-chip:hover{border-color:var(--blue-300);color:var(--text)}.uni{font-size:14px;font-weight:600;color:var(--text-soft);background:var(--surface);border:1px solid var(--border);padding:8px 16px;border-radius:100px;transition:all .2s var(--ease)}.uni:hover{color:var(--blue-600);border-color:var(--blue-400)}html[data-theme=dark] .uni{background:hsla(0,0%,100%,.04)}html[data-theme=dark] .uni:hover{color:var(--blue-300)}.ft-social{display:flex;gap:10px;margin-top:20px}.ft-social a{display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:hsla(0,0%,100%,.08);color:hsla(0,0%,100%,.82);transition:all .2s var(--ease)}.ft-social a:hover{background:hsla(0,0%,100%,.18);color:#fff;transform:translateY(-2px)}.legal{max-width:760px;margin:0 auto;padding:64px 24px 120px}.legal h1{font-family:var(--font-display);font-weight:800;font-size:32px;letter-spacing:-.03em;margin-bottom:6px}.legal .legal-date{color:var(--text-faint);font-size:14px;margin-bottom:28px}.legal h2{font-family:var(--font-display);font-weight:700;font-size:19px;margin:30px 0 10px}.legal li,.legal p{color:var(--text-soft);font-size:15.5px;line-height:1.7}.legal ul{padding-left:22px;margin:8px 0}.legal li{margin-bottom:6px}.legal .legal-note{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:16px 18px;font-size:13.5px;color:var(--text-soft);margin-bottom:30px}.press{margin-top:56px}.press-label{display:flex;align-items:center;justify-content:center;gap:11px;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--text-faint);margin-bottom:26px}.press-label:after,.press-label:before{content:"";width:26px;height:2px;border-radius:2px;background:#c79a3b}.press-grid{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px}.press-card{display:flex;flex-direction:column;text-decoration:none;color:inherit;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 28px 24px;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}.press-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:var(--blue-300)}.press-outlet{font-family:var(--font-display);font-weight:800;font-size:19px;letter-spacing:-.02em;color:var(--text)}.press-outlet:after{content:"";display:block;width:30px;height:2px;background:#c79a3b;border-radius:2px;margin-top:12px}.press-desc{font-size:14px;color:var(--text-soft);margin:14px 0 0;line-height:1.58;flex:1 1}.press-go{display:inline-flex;align-items:center;gap:6px;margin-top:18px;font-size:13px;font-weight:700;color:var(--blue-600);transition:gap .2s var(--ease)}.press-go svg{width:14px;height:14px}.press-card:hover .press-go{gap:10px}html[data-theme=dark] .press-go{color:var(--blue-300)}@media (max-width:760px){.press-grid{grid-template-columns:1fr}}.story{display:grid;grid-template-columns:1fr 1fr;grid-gap:44px;gap:44px;align-items:center}.story-copy p{color:var(--text-soft);font-size:16.5px;line-height:1.75;margin-bottom:16px}.story-copy p:last-child{margin-bottom:0}.story-copy a{color:var(--blue-500);font-weight:600}.story-video{position:relative;width:100%;aspect-ratio:16/9;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border)}.story-video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}@media (max-width:760px){.story{grid-template-columns:1fr;gap:28px}}.ig-embed{max-width:380px;margin:44px auto 0;text-align:center}.ig-embed-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.09em;color:var(--text-faint);margin-bottom:14px}.ig-embed iframe{width:100%;height:620px;border:1px solid var(--border);border-radius:14px;background:var(--surface);overflow:hidden}.uni-logo{height:36px;width:auto;max-width:140px;object-fit:contain;filter:grayscale(1);opacity:.62;transition:all .25s var(--ease)}.uni-logo:hover{filter:grayscale(0);opacity:1}html[data-theme=dark] .uni-logo{filter:grayscale(1) brightness(0) invert(1);opacity:.7}html[data-theme=dark] .uni-logo:hover{filter:none;opacity:1}.press-thumb{width:100%;height:130px;object-fit:cover;border-radius:10px;margin-bottom:14px;display:block}.stats-band{padding:10px 0 40px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:20px;gap:20px;padding:44px 28px;border-radius:var(--radius-lg);background:linear-gradient(135deg,#123a63,#0c2a47);box-shadow:0 34px 64px -34px rgba(10,31,68,.6);border:1px solid hsla(0,0%,100%,.06)}.stat{text-align:center}.stat-n{font-family:var(--font-display);font-weight:800;font-size:clamp(30px,5vw,46px);color:#fff;letter-spacing:-.03em;line-height:1}.stat-l{font-size:13.5px;color:hsla(0,0%,100%,.72);margin-top:9px}@media (max-width:680px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:30px 16px;padding:34px 20px}}.section.alt{background:var(--section-alt)}.picon{width:46px;height:46px;border-radius:13px;background:var(--blue-100);color:var(--blue-600);display:grid;place-items:center;margin-bottom:16px;transition:background .3s var(--ease),color .3s var(--ease)}html[data-theme=dark] .picon{background:rgba(33,96,160,.16);color:var(--blue-300)}.picon svg{width:24px;height:24px;display:block}.pcard:hover .picon{background:var(--blue-600);color:#fff}html[data-theme=dark] .pcard:hover .picon{background:var(--blue-500);color:#fff}.vico{color:var(--blue-500)}.vico svg{width:26px;height:26px;display:block}html[data-theme=dark] .picon,html[data-theme=dark] .vico{color:var(--blue-300)}.uni-tile{display:inline-grid;place-items:center;min-width:124px;height:58px;padding:0 18px;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:var(--text-soft);font-weight:700;font-size:14.5px;letter-spacing:-.01em;transition:all .2s var(--ease)}.uni-tile:hover{color:var(--blue-600);border-color:var(--blue-400);box-shadow:var(--shadow)}html[data-theme=dark] .uni-tile{background:hsla(0,0%,100%,.04)}html[data-theme=dark] .uni-tile:hover{color:var(--blue-300)}.cta-pro{position:relative;overflow:hidden;display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:100px;font-family:inherit;font-weight:700;font-size:14px;letter-spacing:-.01em;color:#fff;white-space:nowrap;cursor:pointer;text-decoration:none;background:linear-gradient(135deg,#2160a0,#123a63 52%,#0c2a47);box-shadow:0 8px 22px -8px rgba(12,42,71,.65),inset 0 1px 0 hsla(0,0%,100%,.28);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}.cta-pro:before{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(110deg,transparent 28%,hsla(0,0%,100%,.38) 50%,transparent 72%);transform:translateX(-130%);transition:transform .65s var(--ease)}.cta-pro:hover{transform:translateY(-2px);box-shadow:0 16px 32px -8px rgba(12,42,71,.78),inset 0 1px 0 hsla(0,0%,100%,.34)}.cta-pro:hover:before{transform:translateX(130%)}.cta-pro:active{transform:translateY(0)}.cta-arrow,.cta-label{position:relative;z-index:1}.cta-arrow{width:16px;height:16px;transition:transform .25s var(--ease)}.cta-pro:hover .cta-arrow{transform:translateX(3px)}.cta-pro-block{width:100%;justify-content:center;padding:14px;font-size:15px}@media (max-width:620px){.section{padding:64px 0}.section.first{padding-top:92px}.s-head{margin-bottom:38px}.s-head p{font-size:16px}.hero-preview{margin:0}.dash{padding:16px;gap:14px;box-shadow:0 30px 60px -30px rgba(10,31,68,.5)}.cta{padding:52px 22px}.teacher{padding:32px 22px}.vcard{padding:26px 22px}.ft-cols{gap:30px}.hd-mobile.is-open{max-height:460px}}@media (max-width:430px){.container{padding:0 18px}.hero h1{font-size:38px}.hero-sub{font-size:16px}.hero-cta .btn{width:100%}.auth-card{padding:30px 22px}.stats-grid{padding:28px 14px}.stat-n{font-size:30px}}.hd-auth{display:inline-flex;align-items:center;gap:12px}@media (max-width:900px){.hd-auth{display:none}}.hd-logout{background:none;border:1px solid var(--border-strong);color:var(--text-soft);padding:8px 16px;border-radius:100px;font-family:inherit;font-weight:600;font-size:14px;cursor:pointer;transition:all .2s var(--ease);white-space:nowrap}.hd-logout:hover{color:var(--text);border-color:var(--text-faint)}.hd-logout-block{width:100%;padding:12px;margin-top:8px}.state-page{min-height:calc(100vh - 66px);display:grid;place-items:center;padding:40px 22px;background:var(--bg)}.state-card{text-align:center;max-width:460px}.state-code{font-size:64px;color:var(--blue-600);letter-spacing:-.04em;line-height:1;margin-bottom:12px}.state-card h1,.state-code{font-family:var(--font-display);font-weight:800}.state-card h1{font-size:28px;letter-spacing:-.03em;margin-bottom:10px}.state-card p{color:var(--text-soft);margin-bottom:26px;line-height:1.6}.state-actions{display:inline-flex;gap:12px;align-items:center;flex-wrap:wrap;justify-content:center}.state-secondary{color:var(--text-soft);font-weight:600;font-size:14px;padding:12px 18px;transition:color .2s var(--ease)}.state-secondary:hover{color:var(--text)}.spinner{width:42px;height:42px;border-radius:50%;border:3px solid var(--border-strong);border-top-color:var(--blue-600);animation:ramza-spin .7s linear infinite}@keyframes ramza-spin{to{transform:rotate(1turn)}}.panel-wrap{max-width:820px;margin:0 auto;padding:56px 24px 120px}.panel-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap}.panel-h2{font-family:var(--font-display);font-weight:800;font-size:20px;letter-spacing:-.02em;margin-top:38px;margin-bottom:14px}.skel{background:linear-gradient(90deg,var(--section-alt) 25%,var(--border) 37%,var(--section-alt) 63%);background-size:400% 100%;animation:ramza-skel 1.3s ease infinite;border-radius:12px}@keyframes ramza-skel{0%{background-position:100% 0}to{background-position:-100% 0}}.panel-continue{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;text-align:left;margin-top:14px;padding:20px 24px;border:none;border-radius:16px;cursor:pointer;color:#fff;background:linear-gradient(135deg,#16467a,#0c2a47);box-shadow:0 20px 40px -22px rgba(10,31,68,.6);transition:transform .2s var(--ease),box-shadow .2s var(--ease)}.panel-continue:hover{transform:translateY(-2px);box-shadow:0 26px 46px -22px rgba(10,31,68,.7)}.panel-continue-k{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:hsla(0,0%,100%,.7)}.panel-continue-t{font-family:var(--font-display);font-weight:800;font-size:19px;margin-top:3px}.panel-continue-d{font-size:13px;color:hsla(0,0%,100%,.72);margin-top:4px}.panel-continue-go{width:42px;height:42px;flex:none;display:grid;place-items:center;border-radius:50%;background:hsla(0,0%,100%,.14);color:#fff}.panel-hl{justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:12px;padding:16px 20px;border-radius:14px;background:var(--section-alt);border:1px solid var(--border)}.panel-hl,.panel-hl-l{display:flex;align-items:center}.panel-hl-l{gap:13px}.panel-hl-ic{width:42px;height:42px;flex:none;display:grid;place-items:center;border-radius:12px;background:var(--surface);border:1px solid var(--border)}.panel-hl-ic svg{width:22px;height:22px}.panel-hl-t{font-family:var(--font-display);font-weight:800;font-size:15.5px;color:var(--text)}.panel-hl-d{font-size:13px;color:var(--text-soft);margin-top:2px}.panel-level{margin-top:12px;padding:18px 20px;border-radius:14px;background:var(--section-alt);border:1px solid var(--border)}.lvl-head{display:flex;align-items:center;gap:14px}.lvl-badge{flex:none;width:52px;height:52px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(160deg,var(--blue-600),#0a1f44);color:#fff;font-family:var(--font-display);font-weight:800;font-size:14px;letter-spacing:.02em;box-shadow:0 10px 22px -12px rgba(12,42,71,.6)}.lvl-name{min-width:0}.lvl-t{font-family:var(--font-display);font-weight:800;font-size:16.5px;color:var(--text)}.lvl-d{font-size:12.5px;color:var(--text-soft);margin-top:2px}.lvl-bar{height:9px;border-radius:100px;background:var(--surface);border:1px solid var(--border);overflow:hidden;margin-top:14px}.lvl-bar i{display:block;height:100%;border-radius:100px;background:linear-gradient(90deg,var(--blue-500),var(--blue-600));transition:width .5s var(--ease)}.lvl-bar.sm{height:7px;margin-top:7px}.lvl-bar i.done{background:linear-gradient(90deg,#15a36a,#0e8a58)}.lvl-goal{margin-top:14px}.lvl-goal-row{display:flex;justify-content:space-between;font-size:12.5px;font-weight:600;color:var(--text-soft)}.panel-link{display:inline-flex;align-items:center;gap:7px;margin-top:14px;background:none;border:none;padding:0;cursor:pointer;color:var(--blue-600);font-weight:700;font-size:14px}.panel-link:hover{color:var(--blue-500)}html[data-theme=dark] .panel-link{color:var(--blue-300)}.panel-stats{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.panel-stat{flex:1 1;min-width:150px;padding:22px 18px;text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:14px}.panel-stat-ic{display:inline-flex;margin-bottom:8px}.panel-stat-ic svg{width:32px;height:32px}.panel-stat-n{font-family:var(--font-display);font-weight:800;font-size:30px;color:var(--text);line-height:1}.panel-stat-l{font-size:12.5px;color:var(--text-soft);margin-top:6px}.panel-progress{margin-top:16px}.panel-progress .dash-card{padding:20px 22px}.panel-list{display:flex;flex-direction:column;gap:10px}.panel-course{display:flex;align-items:center;gap:15px;text-align:left;width:100%;padding:15px 18px;border:1px solid var(--border);border-radius:13px;background:var(--surface);cursor:pointer;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)}.panel-course:hover{border-color:var(--blue-400);box-shadow:var(--shadow);transform:translateY(-2px)}.panel-ring{width:48px;height:48px;flex:none;background:conic-gradient(var(--blue-500) var(--p,0),var(--section-alt) 0);place-items:center}.panel-ring,.panel-ring i{border-radius:50%;display:grid}.panel-ring i{width:36px;height:36px;background:var(--surface);place-items:center;font-size:11px;font-weight:800;font-style:normal;color:var(--blue-600)}html[data-theme=dark] .panel-ring i{color:var(--blue-300)}.panel-course.done .panel-ring{background:conic-gradient(#15a36a var(--p,100%),var(--section-alt) 0)}.panel-course.done .panel-ring i{color:var(--success-text);font-size:15px}.panel-course-main{flex:1 1;min-width:0}.panel-course-go{width:34px;height:34px;flex:none;display:grid;place-items:center;border-radius:50%;color:var(--text-faint);transition:color .2s var(--ease),transform .2s var(--ease)}.panel-course:hover .panel-course-go{color:var(--blue-500);transform:translateX(2px)}.panel-course-title{font-weight:700;font-size:16px;color:var(--text)}.panel-course-pct{font-size:13px;font-weight:700}.panel-bar{height:8px;background:var(--section-alt);border-radius:100px;overflow:hidden;margin-top:10px}.panel-bar-fill{height:100%;border-radius:100px;background:var(--blue-600)}.panel-bar-fill.done{background:#15a36a}html[data-theme=dark] .panel-bar-fill{background:var(--blue-300)}.panel-course-d{font-size:12.5px;color:var(--text-faint);margin-top:7px}.panel-cert{display:flex;justify-content:space-between;align-items:center;gap:10px;text-align:left;width:100%;padding:16px 18px;border:1px solid var(--border);border-radius:13px;background:var(--section-alt);cursor:pointer;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}.panel-cert:hover{border-color:var(--blue-400);box-shadow:var(--shadow)}.panel-cert-t{font-weight:700;font-size:15.5px;color:var(--text)}.panel-cert-d{font-size:12.5px;color:var(--text-faint);margin-top:2px}.panel-tools{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:12px;gap:12px;margin-top:4px}.panel-tool{display:flex;align-items:center;gap:13px;padding:14px 16px;border:1px solid var(--border);border-radius:13px;background:var(--surface);text-decoration:none;color:inherit;transition:border-color .2s var(--ease),box-shadow .2s var(--ease),transform .2s var(--ease)}.panel-tool:hover{border-color:var(--blue-400);box-shadow:var(--shadow);transform:translateY(-2px)}.panel-tool-ic{flex:none;width:42px;height:42px;display:grid;place-items:center;border-radius:11px;background:var(--blue-100);color:var(--blue-600)}html[data-theme=dark] .panel-tool-ic{color:var(--blue-300);background:var(--section-alt)}.panel-tool-t{font-family:var(--font-display);font-weight:800;font-size:14.5px;color:var(--text)}.panel-tool-d{font-size:12.5px;color:var(--text-soft);margin-top:2px}@media (max-width:560px){.panel-tools{grid-template-columns:1fr}}.adm-shell{display:flex;align-items:flex-start;gap:0;max-width:1280px;margin:0 auto}.adm-side{flex:none;width:232px;position:-webkit-sticky;position:sticky;top:0;align-self:flex-start;max-height:100vh;overflow-y:auto;padding:30px 16px 40px;border-right:1px solid var(--border)}.adm-side-brand{font-family:var(--font-display);font-weight:800;font-size:15px;color:var(--text);padding:0 10px 4px;letter-spacing:.01em;text-decoration:none;display:block}.adm-side-brand span{color:var(--blue-400)}.adm-side-group{margin-top:22px}.adm-side-label{font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-faint);padding:0 10px;margin-bottom:6px}.adm-side-link{display:flex;align-items:center;gap:10px;width:100%;text-align:left;padding:8px 10px;border-radius:9px;font-size:14px;color:var(--text-soft);text-decoration:none;background:none;border:none;font-family:inherit;cursor:pointer;transition:background .15s var(--ease),color .15s var(--ease)}.adm-side-link:hover{background:var(--section-alt);color:var(--text)}.adm-side-link.active{background:var(--blue-100);color:var(--blue-600);font-weight:700}html[data-theme=dark] .adm-side-link.active{background:var(--section-alt);color:var(--blue-300)}.adm-side-link .adm-ic{flex:none;width:17px;height:17px;opacity:.8}.adm-content{flex:1 1;min-width:0}.adm-drawer-backdrop,.adm-mobile-bar{display:none}@media (max-width:900px){.adm-shell{display:block}.adm-side{position:fixed;top:0;left:0;bottom:0;z-index:60;width:250px;max-height:none;height:100%;background:var(--surface);transform:translateX(-100%);transition:transform .22s var(--ease);box-shadow:0 0 40px rgba(0,0,0,.18)}.adm-side.open{transform:translateX(0)}.adm-mobile-bar{display:flex;gap:12px;padding:12px 18px;border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:40}.adm-menu-btn,.adm-mobile-bar{align-items:center;background:var(--surface)}.adm-menu-btn{display:inline-flex;gap:8px;padding:8px 12px;border:1px solid var(--border-strong);border-radius:9px;color:var(--text);font-family:inherit;font-size:13.5px;font-weight:600;cursor:pointer}.adm-mobile-title{font-family:var(--font-display);font-weight:800;font-size:15px;color:var(--text)}.adm-drawer-backdrop.open{display:block;position:fixed;inset:0;z-index:55;background:rgba(6,12,26,.45)}}.miarea-nav{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}.miarea-pill{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--text-soft);font-family:inherit;font-size:13.5px;font-weight:600;cursor:pointer;text-decoration:none;transition:border-color .16s var(--ease),color .16s var(--ease),background .16s var(--ease)}.miarea-pill svg{opacity:.85}.miarea-pill:hover{border-color:var(--blue-400);color:var(--text)}.miarea-pill.active{background:var(--blue-100);border-color:transparent;color:var(--blue-600)}html[data-theme=dark] .miarea-pill.active{background:var(--section-alt);color:var(--blue-300)}@media (max-width:560px){.miarea-nav{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}.miarea-pill{flex:none}}.panel-saved{display:flex;flex-direction:column;gap:8px;margin-top:4px}.panel-saved-item{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:12px 15px;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:inherit;font-family:inherit;cursor:pointer;transition:border-color .18s var(--ease),transform .18s var(--ease)}.panel-saved-item:hover{border-color:var(--blue-400);transform:translateX(2px)}.panel-saved-ic{flex:none;width:34px;height:34px;display:grid;place-items:center;border-radius:9px;background:color-mix(in srgb,var(--gold,#c79a3b) 14%,var(--surface));color:var(--gold,#c79a3b)}.panel-saved-txt{display:flex;flex-direction:column;min-width:0}.panel-saved-t{font-weight:700;font-size:14.5px;color:var(--text)}.panel-saved-d,.panel-saved-t{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.panel-saved-d{font-size:12.5px;color:var(--text-soft);margin-top:1px}.panel-wish{display:flex;flex-direction:column;gap:8px;margin-top:4px}.panel-wish-item{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;text-align:left;padding:13px 16px;border:1px solid var(--border);border-radius:12px;background:var(--surface);color:inherit;font-family:inherit;cursor:pointer;transition:border-color .18s var(--ease),transform .18s var(--ease)}.panel-wish-item:hover{border-color:var(--blue-400);transform:translateX(2px)}.panel-wish-txt{display:flex;flex-direction:column;min-width:0}.panel-wish-t{font-weight:700;font-size:14.5px;color:var(--text)}.panel-wish-d,.panel-wish-t{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.panel-wish-d{font-size:12.5px;color:var(--text-soft);margin-top:1px}.panel-wish-price{flex:none;font-family:var(--font-display);font-weight:800;font-size:15px;color:var(--blue-600)}html[data-theme=dark] .panel-wish-price{color:var(--blue-300)}.panel-cert-go{color:var(--blue-600);display:inline-flex}html[data-theme=dark] .panel-cert-go{color:var(--blue-300)}.panel-onboard{text-align:center;padding:44px 28px;border:1px dashed var(--border-strong);border-radius:16px;background:var(--section-alt)}.panel-onboard-ic{display:inline-flex;width:52px;height:52px;align-items:center;justify-content:center;border-radius:14px;background:var(--surface);border:1px solid var(--border);color:var(--blue-600);margin-bottom:16px}.panel-onboard-ic svg{width:26px;height:26px}.panel-onboard h3{font-family:var(--font-display);font-weight:800;font-size:21px;margin-bottom:8px}.panel-onboard p{color:var(--text-soft);max-width:380px;margin:0 auto 22px;line-height:1.55}.panel-badges{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));grid-gap:12px;gap:12px;margin-top:8px}.panel-badge{text-align:center;padding:22px 12px;border-radius:14px;border:1px solid var(--border);background:var(--surface)}.panel-badge.earned{border-color:#cdb86a;background:linear-gradient(160deg,#0c2a47,#14306b);box-shadow:0 4px 16px rgba(10,31,68,.18)}.panel-badge-medal{width:52px;height:52px;margin:0 auto;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;border:1.5px solid var(--border);color:var(--text-faint)}.panel-badge.earned .panel-badge-medal{border-color:#d4af37;color:#d4af37;background:rgba(212,175,55,.08)}.panel-badge-t{font-weight:700;font-size:15px;margin-top:12px;letter-spacing:.02em;color:var(--text-faint)}.panel-badge.earned .panel-badge-t{color:#fff}.panel-badge-d{font-size:11.5px;margin-top:4px;line-height:1.35;color:var(--text-faint)}.panel-badge.earned .panel-badge-d{color:hsla(0,0%,100%,.7)}.panel-badge-s{font-size:10.5px;font-weight:800;margin-top:10px;letter-spacing:.08em;color:var(--text-faint)}.panel-badge.earned .panel-badge-s{color:#d4af37}.course-wrap{max-width:820px;margin:0 auto;padding:56px 24px 120px}.course-hero{width:100%;aspect-ratio:21/9;border-radius:16px;overflow:hidden;margin-bottom:24px;border:1px solid var(--border);box-shadow:0 10px 30px rgba(10,31,68,.1)}.course-hero img{width:100%;height:100%;object-fit:cover;display:block}.course-level-pill{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--blue-600);background:var(--blue-100);padding:5px 12px;border-radius:100px;margin-bottom:14px}html[data-theme=dark] .course-level-pill{color:var(--blue-300);background:var(--section-alt)}.course-title{font-family:var(--font-display);font-weight:800;font-size:36px;line-height:1.1}.course-subtitle{font-size:18px;color:var(--text-soft);margin-top:10px}.course-meta{font-size:14px;color:var(--text-faint);margin-top:14px}.course-access{display:inline-flex;align-items:center;gap:6px;font-size:13.5px;color:var(--success-text);font-weight:700;margin-top:14px}.course-buy{margin-top:22px;padding:24px;border:1px solid var(--border);border-radius:16px;background:var(--surface);max-width:380px;box-shadow:var(--shadow);transition:box-shadow .3s,border-color .3s}.course-buy-highlight{border-color:var(--blue-500);animation:buyPulse 1s ease-in-out 2}@keyframes buyPulse{0%,to{box-shadow:var(--shadow)}50%{box-shadow:0 0 0 4px rgba(37,99,235,.28)}}.course-buy-k{font-size:12.5px;color:var(--text-faint);font-weight:800;text-transform:uppercase;letter-spacing:.05em}.course-buy-price{font-size:30px;font-weight:800;font-family:var(--font-display);color:var(--text);margin:4px 0 14px}.course-buy-note{font-size:12.5px;color:var(--text-faint);margin-top:10px}.course-wish{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;margin-top:10px;padding:11px;border:1px solid var(--border-strong);border-radius:11px;background:transparent;color:var(--text-soft);font-family:inherit;font-weight:600;font-size:14px;cursor:pointer;transition:border-color .15s var(--ease),color .15s var(--ease),background .15s var(--ease)}.course-wish:hover:not(:disabled){border-color:var(--blue-400);color:var(--text)}.course-wish:disabled{opacity:.6;cursor:default}.course-wish.on{border-color:var(--gold,#c79a3b);color:var(--gold,#c79a3b);background:color-mix(in srgb,var(--gold,#c79a3b) 8%,transparent)}.course-terms{display:flex;align-items:flex-start;gap:9px;margin-bottom:12px;font-size:12.5px;color:var(--text-soft);line-height:1.45;text-align:left;cursor:pointer}.course-terms input{margin-top:2px;flex-shrink:0}.course-terms a{color:var(--blue-600);font-weight:600}html[data-theme=dark] .course-terms a{color:var(--blue-300)}.course-err{color:var(--danger-text);font-size:13.5px;margin-top:10px}.course-progress{display:flex;align-items:center;gap:18px;flex-wrap:wrap;padding:20px;margin-bottom:28px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}.course-progress-row{display:flex;justify-content:space-between;font-size:13px;color:var(--text-soft);margin-bottom:6px}.xp-pill{display:inline-flex;align-items:center;gap:6px;background:var(--section-alt);color:var(--gold-text);font-weight:800;font-size:15px;padding:7px 16px;border-radius:100px}.course-module{font-family:var(--font-display);font-weight:700;font-size:19px;margin-bottom:12px}.course-module span{color:var(--blue-600)}html[data-theme=dark] .course-module span{color:var(--blue-300)}.course-milestone{margin-bottom:28px;padding:24px;border-radius:16px;background:var(--surface);border:1px solid var(--border);text-align:center}.course-next{margin:4px 0 32px}.course-next-k{font-size:12.5px;font-weight:800;letter-spacing:.05em;text-transform:uppercase;color:var(--text-faint);margin-bottom:12px;text-align:center}.course-next-list{display:flex;flex-direction:column;gap:12px;max-width:560px;margin:0 auto}.course-next-card{display:flex;align-items:center;gap:14px;text-align:left;width:100%;padding:16px 18px;border:1px solid var(--border);border-radius:14px;background:var(--surface);cursor:pointer;transition:border-color .2s,box-shadow .2s}.course-next-card:hover{border-color:var(--blue-500);box-shadow:var(--shadow)}.course-next-main{flex:1 1;min-width:0}.course-next-title{font-family:var(--font-display);font-weight:800;font-size:16px;color:var(--text)}.course-next-sub{font-size:13.5px;color:var(--text-soft);margin-top:2px}.course-next-meta{display:flex;gap:10px;align-items:center;margin-top:8px;font-size:12.5px;color:var(--text-faint);flex-wrap:wrap}.course-next-lvl{text-transform:capitalize}.course-next-price{font-weight:800;color:var(--blue-600)}.course-next-go{color:var(--blue-500);flex:none}.course-milestone.celebrate{background:var(--section-alt);border-color:var(--blue-300)}.course-milestone-ic{display:inline-flex;color:var(--blue-600);margin-bottom:8px}.course-milestone.celebrate .course-milestone-ic{color:var(--gold-text)}html[data-theme=dark] .course-milestone-ic{color:var(--blue-300)}.course-milestone h3{font-family:var(--font-display);font-weight:800;font-size:22px;margin-bottom:6px}.course-milestone p{color:var(--text-soft);font-size:15px;margin-bottom:16px}.lesson-row{display:flex;align-items:center;gap:14px;padding:14px 18px;border:1px solid var(--border);border-radius:12px;background:var(--surface);cursor:pointer;text-align:left;width:100%;transition:border-color .15s var(--ease)}.lesson-row:hover{border-color:var(--blue-400)}.lesson-row.locked{cursor:default}.lesson-row.locked .lesson-row-title{color:var(--text-soft)}.lesson-row.locked .lesson-ind{opacity:.55}.lesson-row.locked:hover{border-color:var(--border)}.lesson-row-title{font-weight:600;font-size:15.5px;color:var(--text)}.lesson-free-tag{margin-left:auto;flex-shrink:0;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:var(--success-text);background:rgba(21,163,106,.12);padding:4px 10px;border-radius:100px}.lesson-ind{width:30px;height:30px;border-radius:50%;background:var(--section-alt);color:var(--blue-600);display:grid;place-items:center;font-weight:700;font-size:14px;flex-shrink:0}html[data-theme=dark] .lesson-ind{color:var(--blue-300)}.lesson-ind.done{background:#15a36a;color:#fff}.lesson-wrap{max-width:720px;margin:0 auto;padding:40px 24px 120px;position:relative}.lesson-xp-toast{position:fixed;top:90px;left:50%;transform:translateX(-50%);background:#15a36a;color:#fff;padding:12px 24px;border-radius:100px;font-weight:800;font-size:17px;box-shadow:0 8px 24px rgba(21,163,106,.35);z-index:50;display:inline-flex;align-items:center;gap:8px}.lesson-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;gap:12px;flex-wrap:wrap}.lesson-back{border:none;background:transparent;color:var(--blue-600);font-weight:700;font-size:14px;cursor:pointer;padding:0;text-align:left}.lesson-back:hover{color:var(--blue-500)}html[data-theme=dark] .lesson-back{color:var(--blue-300)}.lesson-title{font-family:var(--font-display);font-weight:800;font-size:clamp(30px,4.4vw,38px);line-height:1.14;letter-spacing:-.03em;margin-bottom:12px}.lesson-content{font-size:18px;line-height:1.78;color:var(--text);letter-spacing:-.003em}.lesson-content.txt-0{font-size:16px}.lesson-content.txt-2{font-size:20px}.lesson-content.txt-3{font-size:22.5px}.lesson-textsize{display:inline-flex;border:1px solid var(--border-strong);border-radius:100px;overflow:hidden}.lesson-tsz{display:inline-flex;align-items:baseline;gap:1px;padding:7px 13px;border:none;background:var(--surface);color:var(--text-soft);font-family:inherit;font-weight:700;font-size:14.5px;cursor:pointer;transition:background .15s var(--ease),color .15s var(--ease)}.lesson-tsz+.lesson-tsz{border-left:1px solid var(--border)}.lesson-tsz span{font-size:11px}.lesson-tsz:hover:not(:disabled){background:var(--section-alt);color:var(--text)}.lesson-tsz:disabled{opacity:.4;cursor:default}.lesson-content .rich{margin:0 0 4px}.lesson-content p{margin:0 0 18px}.lesson-content h2{font-family:var(--font-display);font-weight:800;font-size:26px;letter-spacing:-.02em;line-height:1.2;margin:38px 0 12px}.lesson-content h3{font-family:var(--font-display);font-weight:700;font-size:20px;letter-spacing:-.01em;margin:30px 0 10px}.lesson-content ol,.lesson-content ul{margin:0 0 18px;padding-left:24px}.lesson-content li{margin:8px 0;padding-left:4px}.lesson-content li::marker{color:var(--blue-400)}.lesson-content strong{font-weight:700}.lesson-content a{color:var(--blue-600);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;-webkit-text-decoration-color:var(--gold-soft);text-decoration-color:var(--gold-soft);transition:-webkit-text-decoration-color .2s var(--ease);transition:text-decoration-color .2s var(--ease);transition:text-decoration-color .2s var(--ease),-webkit-text-decoration-color .2s var(--ease)}.lesson-content a:hover{-webkit-text-decoration-color:var(--blue-500);text-decoration-color:var(--blue-500)}html[data-theme=dark] .lesson-content a{color:var(--blue-300)}.lesson-quote{border-left:3px solid var(--gold);padding:6px 0 6px 24px;margin:32px 0;font-style:italic;font-size:19px;line-height:1.6;color:var(--text-soft)}html[data-theme=dark] .lesson-quote{border-left-color:var(--gold)}.lesson-callout{border-radius:14px;padding:20px 22px;margin:28px 0;border:1px solid var(--border);border-left:3px solid var(--blue-500);background:var(--surface-2)}.lesson-callout.warn{border-left-color:var(--gold);background:rgba(199,154,59,.07)}html[data-theme=dark] .lesson-callout{background:rgba(122,167,255,.06)}html[data-theme=dark] .lesson-callout.warn{background:rgba(199,154,59,.1)}.lesson-callout-k{font-weight:800;font-size:12px;letter-spacing:.05em;text-transform:uppercase;margin-bottom:8px;color:var(--blue-600)}.lesson-callout.warn .lesson-callout-k{color:var(--gold-text)}html[data-theme=dark] .lesson-callout-k{color:var(--blue-300)}.lesson-callout-body{color:var(--text);line-height:1.7}.lesson-callout-body p{margin:0 0 10px}.lesson-callout-body p:last-child{margin-bottom:0}.lesson-complete{margin-top:44px;padding:28px 24px;border-radius:16px;background:var(--section-alt);border:1px solid var(--border);text-align:center}.lesson-complete.done{background:rgba(21,163,106,.1);border-color:rgba(21,163,106,.35)}.lesson-complete-done{display:inline-flex;align-items:center;gap:8px;color:var(--success-text);font-weight:800;font-size:16px}.lesson-signin{margin-top:40px;padding:16px 20px;border-radius:14px;background:var(--section-alt);border:1px solid var(--border);text-align:center;font-size:14px;color:var(--text-soft)}.lesson-nav{display:flex;justify-content:space-between;gap:12px;margin-top:28px;padding-top:24px;border-top:1px solid var(--border)}.quiz-card{padding:26px}.explorable,.quiz-card{border:1px solid var(--border);border-radius:16px;margin:32px 0;background:var(--surface);box-shadow:var(--shadow)}.explorable{padding:22px 24px}.explorable-head{display:flex;align-items:center;gap:10px;margin-bottom:4px}.explorable-badge{font-size:11.5px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--blue-600);background:var(--surface-2);padding:3px 9px;border-radius:999px}.explorable-title{font-family:var(--font-display);font-weight:800;font-size:18px;color:var(--text);margin:0}.explorable-desc{color:var(--text-soft);font-size:14px;line-height:1.55;margin:8px 0 18px}.explorable-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:22px;gap:22px;align-items:start}@media (max-width:620px){.explorable-grid{grid-template-columns:1fr}}.explorable-controls{display:flex;flex-direction:column;gap:18px}.explorable-control-top{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:6px}.explorable-control-top label{font-size:13px;font-weight:600;color:var(--text-soft)}.explorable-control-val{font-size:14px;font-weight:800;color:var(--text);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.explorable-range{width:100%;accent-color:var(--blue-500);cursor:pointer}.explorable-result{background:var(--surface-2);border:1px solid var(--border);border-radius:13px;padding:16px 16px 8px}.explorable-headline-k{font-size:12px;color:var(--text-faint);font-weight:700}.explorable-headline-v{font-family:var(--font-display);font-weight:800;font-size:24px;color:var(--text);margin-top:2px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.explorable-headline-sub{font-size:12.5px;color:var(--text-soft);margin:3px 0 10px;line-height:1.4}.explorable-caption{font-size:13px;color:var(--text-soft);line-height:1.55;margin:16px 0 0}.flash{border:1px solid var(--border);border-radius:16px;padding:22px 24px;margin:32px 0;background:var(--surface);box-shadow:var(--shadow);text-align:center}.flash-head{display:flex;align-items:center;gap:10px;justify-content:center;margin-bottom:12px}.flash-badge{font-size:11.5px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--blue-600);background:var(--surface-2);padding:3px 9px;border-radius:999px}.flash-title{font-family:var(--font-display);font-weight:800;font-size:18px;color:var(--text);margin:0}.flash-progress{height:6px;border-radius:99px;background:var(--surface-2);overflow:hidden;margin:0 auto;max-width:420px}.flash-progress-bar{height:100%;background:#15a36a;border-radius:99px;transition:width .35s ease}.flash-meta{font-size:12.5px;color:var(--text-faint);margin-top:7px}.flash-card{display:block;width:100%;max-width:440px;height:200px;margin:20px auto 14px;background:none;border:none;padding:0;cursor:pointer;perspective:1200px}.flash-card-inner{position:relative;width:100%;height:100%;transition:transform .5s;transform-style:preserve-3d}.flash-card.flipped .flash-card-inner{transform:rotateY(180deg)}.flash-face{position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;display:grid;place-items:center;padding:24px;border-radius:16px;border:1px solid var(--border-strong)}.flash-face span{font-size:18px;line-height:1.5;color:var(--text);font-weight:600}.flash-front{background:var(--surface-2)}.flash-back{background:linear-gradient(135deg,#0f2f57,#0a1f44);transform:rotateY(180deg)}.flash-back span{color:#fff;font-weight:500}.flash-flip,.flash-rate{margin-top:4px}.flash-rate{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.flash-done{padding:20px 0 6px}.flash-done-emoji{font-size:40px}.flash-done-t{font-family:var(--font-display);font-weight:800;font-size:20px;color:var(--text);margin-top:6px}.quiz-k{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--blue-600);background:var(--blue-100);padding:4px 12px;border-radius:100px;margin-bottom:14px}html[data-theme=dark] .quiz-k{color:var(--blue-300);background:var(--section-alt)}.quiz-q{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:16px;color:var(--text)}.quiz-opts{display:flex;flex-direction:column;gap:10px}.quiz-opt{display:flex;align-items:center;gap:12px;text-align:left;width:100%;padding:15px 18px;border:1.5px solid var(--border-strong);border-radius:12px;background:var(--surface);cursor:pointer;font-size:15.5px;color:var(--text);font-weight:500;transition:border-color .15s var(--ease),background .15s var(--ease),transform .15s var(--ease)}.quiz-opt:disabled{cursor:default}.quiz-opt:not(:disabled):hover{border-color:var(--blue-400);background:var(--surface-2)}.quiz-opt.sel{border-color:var(--blue-600);background:var(--blue-100)}html[data-theme=dark] .quiz-opt.sel{border-color:var(--blue-300);background:rgba(122,167,255,.1)}.quiz-opt.correct{border-color:var(--success);background:rgba(21,163,106,.1)}.quiz-opt.wrong{border-color:var(--danger);background:rgba(214,69,80,.1)}.quiz-opt-mark{font-weight:800}.quiz-opt.correct .quiz-opt-mark{color:var(--success-text)}.quiz-err,.quiz-opt.wrong .quiz-opt-mark{color:var(--danger-text)}.quiz-err{font-size:14px;margin-top:12px}.quiz-signin{margin-top:14px;font-size:14px;color:var(--text-soft)}.quiz-result{margin-top:16px;padding:14px 16px;border-radius:11px}.quiz-result.correct{background:rgba(21,163,106,.1)}.quiz-result.wrong{background:rgba(214,69,80,.1)}.quiz-result-h{font-weight:800;font-size:15px}.quiz-result.correct .quiz-result-h{color:var(--success-text)}.quiz-result.wrong .quiz-result-h{color:var(--danger-text)}.quiz-result-x{margin-top:8px;font-size:14.5px;line-height:1.6;color:var(--text)}:focus-visible{outline:2px solid var(--blue-400);outline-offset:2px;border-radius:4px}html[data-theme=dark] :focus-visible{outline-color:var(--blue-300)}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}.ip-eye{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;padding:4px;cursor:pointer;color:var(--text-faint);display:inline-flex;transition:color .2s var(--ease)}.ip-eye:hover{color:var(--text-soft)}.pwd-strength{display:flex;align-items:center;gap:10px;margin-top:9px}.pwd-bar{flex:1 1;height:5px;background:var(--section-alt);border-radius:100px;overflow:hidden}.pwd-bar-fill{height:100%;border-radius:100px;transition:width .25s var(--ease),background .25s var(--ease)}.pwd-bar-fill.s1{background:#d64550}.pwd-bar-fill.s2{background:#e0a82e}.pwd-bar-fill.s3{background:#15a36a}.pwd-label{font-size:12px;font-weight:700;color:var(--text-faint);min-width:42px}.pwd-mismatch{display:block;font-size:12.5px;color:var(--danger-text);margin-top:7px}.auth-terms{display:flex;align-items:flex-start;gap:10px;margin:18px 0 6px;font-size:13.5px;color:var(--text-soft);line-height:1.5;cursor:pointer}.auth-terms input{margin-top:2px;width:16px;height:16px;flex:none;accent-color:var(--blue-600);cursor:pointer}.auth-terms a{color:var(--blue-600);font-weight:600}html[data-theme=dark] .auth-terms a{color:var(--blue-300)}.auth-forgot{display:inline-block;margin-top:10px;font-size:13.5px;font-weight:600;color:var(--blue-600)}.auth-forgot:hover{color:var(--blue-500)}html[data-theme=dark] .auth-forgot{color:var(--blue-300)}.recover-ic{display:inline-flex;width:56px;height:56px;align-items:center;justify-content:center;border-radius:14px;background:var(--section-alt);border:1px solid var(--border);color:var(--blue-600);margin-bottom:16px}.recover-ic svg{width:26px;height:26px}html[data-theme=dark] .recover-ic{color:var(--blue-300)}.info-prose{max-width:760px}.info-prose h2{font-family:var(--font-display);font-weight:800;font-size:22px;letter-spacing:-.02em;margin:30px 0 10px}.info-prose h2:first-child{margin-top:0}.info-prose p{color:var(--text-soft);line-height:1.75;font-size:16px;margin-bottom:6px}.info-prose strong{color:var(--text);font-weight:700}.info-cta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-top:34px}.info-link{color:var(--blue-600);font-weight:600}html[data-theme=dark] .info-link{color:var(--blue-300)}.faq-item{border:1px solid var(--border);border-radius:12px;background:var(--surface);margin-bottom:10px;overflow:hidden}.faq-item summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;font-size:16px;color:var(--text);display:flex;align-items:center;justify-content:space-between;gap:14px}.faq-item summary::-webkit-details-marker{display:none}.faq-chev{display:inline-flex;color:var(--text-faint);transition:transform .2s var(--ease);flex:none}.faq-chev svg{width:18px;height:18px}.faq-item[open] .faq-chev{transform:rotate(180deg)}.faq-item p{padding:0 20px 18px;margin:0;color:var(--text-soft);line-height:1.7;font-size:15px}.contact-grid{display:grid;grid-template-columns:1fr 1.3fr;grid-gap:28px;gap:28px;align-items:start}.contact-channels{display:flex;flex-direction:column;gap:12px}.contact-card{display:flex;align-items:center;gap:14px;padding:18px 20px;border:1px solid var(--border);border-radius:14px;background:var(--surface);transition:border-color .2s var(--ease)}.contact-card:hover{border-color:var(--blue-400)}.contact-ic{width:42px;height:42px;flex:none;display:grid;place-items:center;border-radius:11px;background:var(--section-alt);color:var(--blue-600)}.contact-ic svg{width:21px;height:21px}html[data-theme=dark] .contact-ic{color:var(--blue-300)}.contact-card-k{font-size:12.5px;color:var(--text-faint);font-weight:700}.contact-card-v{font-size:15px;color:var(--text);font-weight:600;margin-top:2px}.contact-form{border:1px solid var(--border);border-radius:16px;background:var(--surface);padding:26px 24px}.contact-textarea{width:100%;padding:13px 15px;font-size:15px;font-family:inherit;border:1px solid var(--border-strong);border-radius:12px;background:var(--surface);color:var(--text);resize:vertical;transition:border-color .2s var(--ease)}.contact-textarea:focus{outline:none;border-color:var(--blue-400)}@media (max-width:720px){.contact-grid{grid-template-columns:1fr}}.cat-filters{display:flex;flex-wrap:wrap;gap:16px 24px;justify-content:center;margin-bottom:30px}.chip-group{display:inline-flex;gap:8px;flex-wrap:wrap}.chip{padding:8px 16px;border:1px solid var(--border-strong);border-radius:100px;background:var(--surface);color:var(--text-soft);font-size:13.5px;font-weight:600;font-family:inherit;cursor:pointer;transition:all .15s var(--ease)}.chip-level{text-transform:capitalize}.chip:hover{border-color:var(--blue-400);color:var(--text)}.chip.on{background:var(--blue-600);border-color:var(--blue-600);color:#fff}html[data-theme=dark] .chip.on{background:var(--blue-500);border-color:var(--blue-500)}.course-about{margin-bottom:28px}.course-about-h{font-family:var(--font-display);font-weight:700;font-size:19px;margin-bottom:10px}.course-about p{color:var(--text-soft);line-height:1.75;font-size:15.5px}.course-instructor{display:flex;align-items:flex-start;gap:18px;margin-top:40px;padding:24px;border:1px solid var(--border);border-radius:16px;background:var(--section-alt)}.course-instructor-av{width:56px;height:56px;flex:none;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#16467a,#0c2a47);color:#fff;font-family:var(--font-display);font-weight:800;font-size:19px;letter-spacing:.02em}.course-instructor-k{font-size:12.5px;color:var(--text-faint);font-weight:700;text-transform:uppercase;letter-spacing:.05em}.course-instructor-name{font-family:var(--font-display);font-weight:800;font-size:18px;color:var(--text);margin-top:2px}.course-instructor p{color:var(--text-soft);line-height:1.65;font-size:14.5px;margin-top:8px}.course-reviews{margin-top:40px}.course-reviews-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}.course-reviews-head h2{font-family:var(--font-display);font-weight:800;font-size:22px;color:var(--text);margin:0}.course-reviews-avg{display:inline-flex;align-items:center;gap:8px}.course-reviews-avg strong{font-family:var(--font-display);font-size:18px;color:var(--text)}.course-reviews-avg span{font-size:13.5px;color:var(--text-faint)}.course-review-form{padding:20px;border:1px solid var(--border);border-radius:16px;background:var(--section-alt);margin-bottom:22px}.course-review-form-k{font-size:12.5px;color:var(--text-faint);font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px}.course-review-note{font-size:13px;color:var(--text-soft);margin:0 0 12px}.course-review-textarea{width:100%;margin-top:12px;padding:11px 14px;font-size:14.5px;font-family:inherit;border:1px solid var(--border-strong);border-radius:11px;background:var(--surface);color:var(--text);resize:vertical}.course-review-actions{display:flex;align-items:center;gap:14px;margin-top:14px;flex-wrap:wrap}.course-review-msg{font-size:13.5px;color:var(--text-soft)}.course-reviews-list{display:flex;flex-direction:column;gap:14px}.course-review{padding:16px 18px;border:1px solid var(--border);border-radius:14px}.course-review-top{display:flex;align-items:center;gap:10px}.course-review-author{font-weight:700;font-size:14px;color:var(--text)}.course-review-text{color:var(--text-soft);line-height:1.6;font-size:14.5px;margin:8px 0 0}.course-reviews-empty{color:var(--text-faint);font-size:14.5px}.cookie-bar{position:fixed;left:50%;transform:translateX(-50%);bottom:18px;z-index:80;width:min(680px,calc(100% - 32px));display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:16px 20px;background:var(--surface);border:1px solid var(--border);border-radius:16px;box-shadow:0 18px 50px -16px rgba(10,31,68,.4)}.cookie-bar p{font-size:13.5px;color:var(--text-soft);line-height:1.5;flex:1 1;min-width:220px;margin:0}.cookie-bar a{color:var(--blue-600);font-weight:600}html[data-theme=dark] .cookie-bar a{color:var(--blue-300)}.cookie-actions{display:inline-flex;gap:10px;align-items:center;flex-wrap:wrap}.cookie-bar .btn,.cookie-bar .cta-pro{padding:9px 16px;font-size:13.5px}.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;margin-bottom:16px;flex-wrap:wrap}.crumbs a{color:var(--text-soft);font-weight:600}.crumbs a:hover{color:var(--blue-600)}html[data-theme=dark] .crumbs a:hover{color:var(--blue-300)}.crumbs-cur,.crumbs-sep{color:var(--text-faint)}.lesson-top-right{gap:10px;flex-wrap:wrap}.lesson-toc-btn,.lesson-top-right{display:inline-flex;align-items:center}.lesson-toc-btn{gap:7px;padding:7px 14px;border:1px solid var(--border-strong);border-radius:100px;background:var(--surface);color:var(--text-soft);font-family:inherit;font-weight:600;font-size:13.5px;cursor:pointer;transition:all .15s var(--ease)}.lesson-toc-btn:hover{border-color:var(--blue-400);color:var(--text)}.lesson-toc-btn:disabled{opacity:.55;cursor:default}.lesson-moddone{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:20px;background:color-mix(in srgb,var(--blue-600,#123a63) 22%,transparent);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);animation:moddoneIn .25s var(--ease)}.lesson-moddone-card{max-width:400px;width:100%;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:30px 28px;text-align:center;box-shadow:0 24px 60px -12px rgba(10,31,68,.35)}.lesson-moddone-ic{display:inline-grid;place-items:center;width:56px;height:56px;border-radius:50%;background:color-mix(in srgb,var(--gold,#c79a3b) 16%,var(--surface));color:var(--gold,#c79a3b);margin-bottom:14px}.lesson-moddone-card h3{font-size:22px;color:var(--text);margin:0 0 8px}.lesson-moddone-card p{font-size:14.5px;color:var(--text-soft);line-height:1.55;margin:0 0 20px}.lesson-moddone-btns{display:flex;flex-direction:column;gap:9px}@keyframes moddoneIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}.lesson-sec{scroll-margin-top:84px}.lesson-inline-toc{margin:8px 0 26px;padding:16px 20px;border:1px solid var(--border);border-radius:13px;background:var(--surface)}.lesson-inline-toc-t{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);margin-bottom:9px}.lesson-inline-toc ol{list-style:none;margin:0;padding:0;counter-reset:sec;display:flex;flex-direction:column;gap:5px}.lesson-inline-toc li{counter-increment:sec}.lesson-inline-toc a{display:flex;gap:9px;text-decoration:none;color:var(--text-soft);font-size:14.5px;line-height:1.5;padding:3px 0;transition:color .15s var(--ease)}.lesson-inline-toc a:before{content:counter(sec);flex:none;min-width:20px;font-weight:700;color:var(--gold,#c79a3b);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.lesson-inline-toc a:hover{color:var(--blue-600)}html[data-theme=dark] .lesson-inline-toc a:hover{color:var(--blue-300)}.lesson-inline-toc a.active{color:var(--blue-600);font-weight:600}.lesson-inline-toc a.active:before{color:var(--blue-600)}html[data-theme=dark] .lesson-inline-toc a.active,html[data-theme=dark] .lesson-inline-toc a.active:before{color:var(--blue-300)}.lesson-print-notice{display:none}@media print{.lesson-wrap *{visibility:hidden!important}.lesson-print-notice,.lesson-print-notice *{visibility:visible!important}.lesson-print-notice{display:block!important;position:fixed;top:38%;left:0;right:0;text-align:center;padding:0 32px;color:#0a1f44}.lesson-print-notice .lpn-mark{font-family:var(--font-display),Georgia,serif;font-size:30px;font-weight:800;letter-spacing:1px;margin-bottom:14px}.lesson-print-notice .lpn-txt{font-size:14px;line-height:1.6;color:#445;max-width:460px;margin:0 auto}.lesson-moddone,.lesson-progress,.lesson-xp-toast{display:none!important}}.lesson-bm.on{background:color-mix(in srgb,var(--gold,#c79a3b) 8%,var(--surface))}.lesson-bm.on,.lesson-bm.on:hover{border-color:var(--gold,#c79a3b);color:var(--gold,#c79a3b)}.lesson-toc{border:1px solid var(--border);border-radius:14px;background:var(--surface);padding:14px 16px;margin-bottom:22px;box-shadow:var(--shadow);max-height:62vh;overflow-y:auto}.lesson-toc-mod{margin-bottom:12px}.lesson-toc-mod:last-child{margin-bottom:0}.lesson-toc-mod-t{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);margin-bottom:6px}.lesson-toc-item{display:flex;align-items:center;gap:9px;width:100%;text-align:left;padding:8px 12px;border:none;background:none;border-radius:8px;color:var(--text-soft);font-family:inherit;font-size:14.5px;cursor:pointer;transition:background .12s var(--ease),color .12s var(--ease)}.lesson-toc-item:hover{background:var(--section-alt);color:var(--text)}.lesson-toc-mark{flex:none;width:15px;text-align:center;font-size:13px;color:var(--text-faint)}.lesson-toc-txt{flex:1 1 auto;min-width:0}.lesson-toc-item.done{color:var(--text)}.lesson-toc-item.done .lesson-toc-mark{color:var(--success)}.lesson-toc-item.cur{color:var(--blue-600);font-weight:700;box-shadow:inset 3px 0 0 var(--blue-500)}.lesson-toc-item.cur,.lesson-toc-item.cur:hover{background:var(--blue-100)}.lesson-toc-item.cur .lesson-toc-mark{color:var(--blue-600)}.lesson-toc-here{flex:none;margin-left:auto;font-size:10.5px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:#fff;background:var(--blue-500);padding:2px 8px;border-radius:100px}html[data-theme=dark] .lesson-toc-item.cur{color:var(--blue-300);background:rgba(75,107,176,.18)}html[data-theme=dark] .lesson-toc-item.cur .lesson-toc-mark{color:var(--blue-300)}.lesson-notes{margin-top:28px}.lesson-notes-h{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:8px}.lesson-notes-t{font-family:var(--font-display);font-weight:700;font-size:15px;color:var(--text)}.lesson-notes-hint{font-size:12px;color:var(--text-faint);transition:color .2s var(--ease)}.lesson-notes-hint.saved{color:var(--success-text)}.note-back{display:inline-flex;align-items:center;border:none;background:none;padding:0;margin-bottom:18px;font-family:inherit;font-size:14px;font-weight:600;color:var(--blue-600);cursor:pointer}.note-back:hover{color:var(--blue-500)}html[data-theme=dark] .note-back{color:var(--blue-300)}.lesson-notes-ta{width:100%;padding:14px 16px;font-size:15px;font-family:inherit;line-height:1.6;border:1px solid var(--border-strong);border-radius:12px;background:var(--surface);color:var(--text);resize:vertical;transition:border-color .2s var(--ease)}.lesson-notes-ta:focus{outline:none;border-color:var(--blue-400)}.lesson-qa{margin-top:34px;padding-top:30px;border-top:1px solid var(--border)}.lesson-qa-h{margin-bottom:12px}.lesson-qa-t{display:block;font-family:var(--font-display);font-weight:800;font-size:18px;color:var(--text)}.lesson-qa-sub{display:block;font-size:13.5px;color:var(--text-soft);margin-top:3px}.lesson-qa-ta{width:100%;padding:14px 16px;font-size:15px;font-family:inherit;line-height:1.6;border:1px solid var(--border-strong);border-radius:12px;background:var(--surface);color:var(--text);resize:vertical;transition:border-color .2s var(--ease)}.lesson-qa-ta:focus{outline:none;border-color:var(--blue-400)}.lesson-qa-list{gap:20px;margin-top:26px}.lesson-qa-item,.lesson-qa-list{display:flex;flex-direction:column}.lesson-qa-item{gap:10px}.lesson-qa-bubble{border:1px solid var(--border);border-radius:14px;padding:14px 16px}.lesson-qa-bubble.q{background:var(--surface-2)}.lesson-qa-bubble.a{background:var(--surface);border-color:var(--blue-400);margin-left:22px}.lesson-qa-who{display:inline-block;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);margin-bottom:6px}.lesson-qa-who.prof{color:var(--blue-600)}html[data-theme=dark] .lesson-qa-who.prof{color:var(--blue-300)}.lesson-qa-bubble p{margin:0;font-size:15px;line-height:1.6;color:var(--text);white-space:pre-wrap}.lesson-qa-pending{margin-left:22px;font-size:13px}.lesson-qa-pending,.lesson-updated{color:var(--text-faint);font-style:italic}.lesson-updated{text-align:center;font-size:12px;margin-top:40px}.lesson-updated+.lesson-copyright{margin-top:12px;padding-top:22px}.lesson-copyright{text-align:center;font-size:12px;color:var(--text-faint);margin-top:44px;padding-top:22px;border-top:1px solid var(--border);line-height:1.5}.lesson-report{margin-top:36px;text-align:center}.lesson-report-link{background:none;border:none;color:var(--text-faint);font-size:13px;cursor:pointer;text-decoration:underline;text-underline-offset:3px;padding:0}.lesson-report-link:hover{color:var(--blue-500)}.lesson-report-box{max-width:480px;margin:0 auto;text-align:left}.lesson-report-box textarea{width:100%;padding:12px 14px;font-size:14px;font-family:inherit;line-height:1.5;border:1px solid var(--border-strong);border-radius:12px;background:var(--surface);color:var(--text);resize:vertical}.lesson-report-box textarea:focus{outline:none;border-color:var(--blue-400)}.lesson-report-thanks{color:var(--success-text);font-weight:700;font-size:14px}.lesson-resources{margin-top:28px}.lesson-resources-h{font-family:var(--font-display);font-weight:700;font-size:15px;color:var(--text);margin-bottom:10px}.lesson-resources-list{display:flex;flex-direction:column;gap:8px}.lesson-resource{display:flex;align-items:center;gap:12px;width:100%;text-align:left;padding:12px 14px;border:1px solid var(--border-strong);border-radius:12px;background:var(--surface);color:var(--text);cursor:pointer;transition:border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease)}.lesson-resource:hover{border-color:var(--blue-400);transform:translateY(-1px);box-shadow:0 10px 24px -16px rgba(12,42,71,.5)}.lesson-resource:disabled{opacity:.6;cursor:default;transform:none;box-shadow:none}.lesson-resource-ic{font-size:20px;line-height:1;flex-shrink:0}.lesson-resource-name{flex:1 1;font-size:14.5px;font-weight:600;word-break:break-word}.lesson-resource-meta{font-size:12.5px;color:var(--text-faint);flex-shrink:0}.ed-bar{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}.ed-bar,.ed-save{align-items:center}.ed-save{display:inline-flex;gap:6px;font-size:13px;font-weight:700}.ed-save-ok{color:var(--success-text)}.ed-save-dirty{color:#b8860b}.ed-save-saving{color:var(--text-faint)}.ed-prev-badge{font-size:13px;font-weight:700;color:var(--blue-600);background:var(--section-alt);border:1px solid var(--border);padding:6px 12px;border-radius:100px}html[data-theme=dark] .ed-prev-badge{color:var(--blue-300)}.ed-block{position:relative}.ed-block-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.ed-block-head-l{gap:8px}.ed-block-head-l,.ed-handle{display:inline-flex;align-items:center}.ed-handle{color:var(--text-faint);cursor:-webkit-grab;cursor:grab;padding:2px;border-radius:6px}.ed-handle:hover{color:var(--text-soft);background:var(--section-alt)}.ed-handle:active{cursor:-webkit-grabbing;cursor:grabbing}.ed-block-label{font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--text-faint)}.ed-block-actions{display:flex;gap:6px}.ed-ibtn{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border:1px solid var(--border-strong);background:var(--surface);color:var(--text-soft);border-radius:8px;cursor:pointer;transition:all .15s var(--ease)}.ed-ibtn:hover:not(:disabled){color:var(--text);border-color:var(--blue-400)}.ed-ibtn:disabled{opacity:.35;cursor:default}.ed-ibtn-del:hover:not(:disabled){color:var(--danger-text);border-color:var(--danger)}.ed-drop{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;padding:28px;border:2px dashed var(--border-strong);border-radius:12px;cursor:pointer;color:var(--text-soft);font-size:14px;font-weight:600;transition:border-color .15s var(--ease),color .15s var(--ease)}.ed-drop:hover{border-color:var(--blue-400);color:var(--text)}.ed-relink{display:inline-block;margin-top:8px;font-size:13px;color:var(--blue-600);font-weight:700;cursor:pointer}html[data-theme=dark] .ed-relink{color:var(--blue-300)}.ed-flabel{display:block;font-size:13px;font-weight:700;color:var(--text-soft);margin-bottom:6px}.ed-correct{width:24px;height:24px;border-radius:50%;border:2px solid var(--border-strong);background:transparent;color:#fff;cursor:pointer;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800}.ed-correct.on{border-color:var(--success);background:#15a36a}.ed-optdel{display:inline-flex;border:none;background:transparent;color:var(--text-faint);cursor:pointer;padding:4px}.ed-optdel:hover{color:var(--danger-text)}.ed-warn{gap:6px;color:#b8860b;font-size:13px;margin-top:10px}.ed-savebar,.ed-warn{display:flex;align-items:center}.ed-savebar{position:-webkit-sticky;position:sticky;bottom:0;margin-top:30px;padding:16px 0;background:linear-gradient(transparent,var(--surface) 35%);gap:14px}.ed-prev-quiz{border:1px solid var(--border);border-radius:14px;padding:20px;margin:24px 0;background:var(--surface)}.ed-prev-q{font-weight:700;font-size:16px;margin-bottom:12px;color:var(--text)}.ed-prev-opt{display:flex;align-items:center;gap:8px;padding:11px 14px;border:1px solid var(--border-strong);border-radius:10px;margin-bottom:8px;color:var(--text-soft);font-size:15px}.ed-prev-opt.ok{border-color:var(--success);color:var(--success-text);font-weight:700;background:rgba(21,163,106,.08)}.ed-prev-exp{margin-top:10px;font-size:14px;color:var(--text-faint);font-style:italic}.ed-prev-problem{border:1px solid var(--border);border-radius:14px;padding:20px 22px;margin:24px 0;background:var(--surface)}.ed-prev-ans{margin-top:12px;font-size:15px;color:var(--text)}.ed-prev-sol{margin-top:12px;padding-top:12px;border-top:1px solid var(--border)}.ed-prev-sol>span{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint)}.cd-overlay{position:fixed;inset:0;z-index:200;background:rgba(10,31,68,.45);display:grid;place-items:center;padding:20px;animation:cdFade .15s var(--ease)}.cd-box{width:min(420px,100%);background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:26px 26px 22px;box-shadow:0 24px 60px -16px rgba(10,31,68,.5)}.cd-title{font-family:var(--font-display);font-weight:800;font-size:19px;color:var(--text);margin:0 0 8px}.cd-msg{font-size:14.5px;color:var(--text-soft);line-height:1.6;margin:0 0 22px}.cd-actions{display:flex;justify-content:flex-end;gap:10px}.cd-confirm-danger{padding:10px 20px;border:none;border-radius:10px;background:#d64550;color:#fff;font-family:inherit;font-weight:700;font-size:14px;cursor:pointer;transition:background .15s var(--ease)}.cd-confirm-danger:hover{background:#c13b46}@keyframes cdFade{0%{opacity:0}to{opacity:1}}.ce-lesson{display:flex;justify-content:space-between;gap:10px;padding:11px 14px;border:1px solid var(--border);border-radius:11px}.ce-arrow,.ce-lesson{align-items:center;background:var(--surface)}.ce-arrow{display:inline-flex;justify-content:center;width:24px;height:20px;border:1px solid var(--border-strong);color:var(--text-soft);border-radius:6px;cursor:pointer;padding:0;transition:all .15s var(--ease)}.ce-arrow:hover:not(:disabled){color:var(--text);border-color:var(--blue-400)}.ce-arrow:disabled{opacity:.3;cursor:default}.ce-del-text{border:none;background:transparent;color:var(--danger-text);cursor:pointer;font-size:13px;font-weight:700}.ce-del-text:hover{text-decoration:underline}.ce-del-ic{display:inline-flex;border:none;background:transparent;color:var(--text-faint);cursor:pointer;padding:4px;border-radius:6px}.ce-del-ic:hover{color:var(--danger-text)}.adm-link{color:var(--blue-600)}.adm-link:hover{color:var(--blue-500)}html[data-theme=dark] .adm-link{color:var(--blue-300)}.adm-del-btn{border:1px solid var(--border-strong);background:transparent;color:var(--danger-text);font-family:inherit;font-weight:700;font-size:13px;padding:8px 14px;border-radius:10px;cursor:pointer;transition:all .15s var(--ease)}.adm-del-btn:hover:not(:disabled){border-color:var(--danger);background:rgba(214,69,80,.08)}.adm-del-btn:disabled{opacity:.5;cursor:default}.adm-ok-banner{background:rgba(21,163,106,.1);border:1px solid rgba(21,163,106,.32)}.ins-zone{position:relative;display:flex;align-items:center;justify-content:center;height:22px;border:none;background:transparent;cursor:pointer;opacity:0;transition:opacity .15s var(--ease)}.ins-zone:hover{opacity:1}.ins-zone:before{content:"";position:absolute;left:8px;right:8px;height:2px;background:var(--blue-300);border-radius:2px;opacity:.5}.ins-zone-plus{position:relative;z-index:1;width:22px;height:22px;display:grid;place-items:center;border-radius:50%;background:var(--blue-600);color:#fff;font-size:15px;font-weight:700;line-height:1}html[data-theme=dark] .ins-zone-plus{background:var(--blue-500)}.ins-add{width:100%;padding:13px;border:1.5px dashed var(--border-strong);border-radius:12px;background:transparent;color:var(--text-soft);font-family:inherit;font-weight:700;font-size:14.5px;cursor:pointer;transition:all .15s var(--ease);margin-top:6px}.ins-add:hover{border-color:var(--blue-400);color:var(--blue-600);background:var(--section-alt)}html[data-theme=dark] .ins-add:hover{color:var(--blue-300)}.ins-menu{border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);padding:10px;margin:4px 0}.ins-menu,.ins-search{background:var(--surface)}.ins-search{width:100%;padding:11px 14px;font-size:14.5px;font-family:inherit;border:1px solid var(--border-strong);border-radius:10px;color:var(--text);margin-bottom:8px}.ins-search:focus{outline:none;border-color:var(--blue-400)}.ins-list{display:grid;grid-template-columns:1fr 1fr;grid-gap:4px;gap:4px;max-height:330px;overflow-y:auto}.ins-item{display:flex;align-items:center;gap:11px;padding:10px 12px;border:none;background:transparent;border-radius:9px;cursor:pointer;text-align:left;transition:background .12s var(--ease)}.ins-ic,.ins-item:hover{background:var(--section-alt)}.ins-ic{display:inline-flex;width:34px;height:34px;flex:none;align-items:center;justify-content:center;border-radius:9px;color:var(--blue-600)}.ins-item:hover .ins-ic{background:var(--surface)}html[data-theme=dark] .ins-ic{color:var(--blue-300)}.ins-ic svg{width:18px;height:18px}.ins-item-t{display:flex;flex-direction:column;min-width:0}.ins-item-label{font-size:14px;font-weight:700;color:var(--text)}.ins-item-desc{font-size:12px;color:var(--text-faint)}.ins-empty{grid-column:1/-1;text-align:center;padding:20px;font-size:13.5px}.ins-cancel,.ins-empty{color:var(--text-faint)}.ins-cancel{margin-top:6px;width:100%;padding:8px;border:none;background:transparent;font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;border-radius:8px}.ins-cancel:hover{color:var(--text-soft);background:var(--section-alt)}@media (max-width:560px){.ins-list{grid-template-columns:1fr}}.tbl-wrap{margin:24px 0;overflow-x:auto}.tbl{width:100%;border-collapse:collapse;font-size:14.5px}.tbl td,.tbl th{border:1px solid var(--border);padding:10px 14px;text-align:left;color:var(--text)}.tbl thead th{background:var(--section-alt);font-weight:800;font-size:13px;letter-spacing:.01em}.tbl tbody tr:nth-child(2n) td{background:rgba(111,150,194,.06)}.tbl-cap{text-align:center;font-size:13px;color:var(--text-faint);margin-top:8px}.tbl-ed-toolbar{display:flex;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}.tbl-ed-check{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--text-soft);cursor:pointer}.tbl-ed-check input{accent-color:var(--blue-600)}.tbl-ed-scroll{overflow-x:auto;border:1px solid var(--border);border-radius:10px}.tbl-ed{border-collapse:collapse;width:100%}.tbl-ed td,.tbl-ed th{border:1px solid var(--border);padding:0}.tbl-ed th{background:var(--section-alt);padding:2px;text-align:center;width:26px}.tbl-ed-cell{width:100%;min-width:120px;border:none;background:transparent;padding:9px 11px;font-family:inherit;font-size:14px;color:var(--text)}.tbl-ed-cell:focus{outline:2px solid var(--blue-400);outline-offset:-2px;border-radius:4px}.tbl-ed-del{width:22px;height:22px;border:none;background:transparent;color:var(--text-faint);cursor:pointer;font-size:16px;line-height:1;border-radius:5px}.tbl-ed-del:hover:not(:disabled){color:var(--danger-text);background:var(--surface)}.tbl-ed-del:disabled{opacity:.25;cursor:default}.lesson-notes-link{border:none;background:none;color:var(--blue-600);font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;padding:0}.lesson-notes-link:hover{color:var(--blue-500)}html[data-theme=dark] .lesson-notes-link{color:var(--blue-300)}.note-search{display:flex;align-items:center;gap:10px;margin-top:22px;padding:0 14px;border:1px solid var(--border-strong);border-radius:12px;background:var(--surface);color:var(--text-faint)}.note-search input{flex:1 1;border:none;background:none;padding:12px 0;font-family:inherit;font-size:15px;color:var(--text);outline:none}.note-empty{text-align:center;padding:60px 20px;display:flex;flex-direction:column;align-items:center}.note-empty-ic{width:64px;height:64px;display:grid;place-items:center;border-radius:16px;background:var(--section-alt);color:var(--blue-600);margin-bottom:16px}html[data-theme=dark] .note-empty-ic{color:var(--blue-300)}.note-card{border:1px solid var(--border);border-radius:16px;background:var(--surface);padding:18px 20px}.note-card-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:10px}.note-card-course{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint)}.note-card-lesson{font-family:var(--font-display);font-weight:800;font-size:16px;color:var(--text);margin-top:2px}.note-card-actions{display:inline-flex;gap:6px;flex:none}.note-card-del,.note-card-go{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border:1px solid var(--border-strong);background:var(--surface);color:var(--text-soft);border-radius:8px;cursor:pointer;transition:all .15s var(--ease)}.note-card-go:hover{color:var(--blue-600);border-color:var(--blue-400)}html[data-theme=dark] .note-card-go:hover{color:var(--blue-300)}.note-card-del:hover{color:var(--danger-text);border-color:var(--danger)}.note-card-ta{width:100%;border:none;background:var(--section-alt);border-radius:10px;padding:12px 14px;font-family:inherit;font-size:15px;line-height:1.6;color:var(--text);resize:vertical}.note-card-ta:focus{outline:2px solid var(--blue-400);outline-offset:0}.note-card-date{font-size:12px;color:var(--text-faint);margin-top:8px}.glo-overlay{left:0;z-index:90;background:rgba(10,31,68,.4);animation:cdFade .15s var(--ease)}.glo-overlay,.glo-panel{position:fixed;top:66px;right:0;bottom:0}.glo-panel{z-index:91;width:min(420px,100%);background:var(--surface);border-left:1px solid var(--border);box-shadow:-20px 0 50px -20px rgba(10,31,68,.4);display:flex;flex-direction:column;animation:gloIn .22s var(--ease)}@keyframes gloIn{0%{transform:translateX(100%)}to{transform:translateX(0)}}.glo-head{display:flex;align-items:center;justify-content:space-between;padding:20px 22px 14px}.glo-title{font-size:22px;font-weight:800}.glo-close{display:inline-flex;border:none;background:var(--blue-600);color:#fff;width:34px;height:34px;border-radius:9px;align-items:center;justify-content:center;cursor:pointer;transition:all .15s var(--ease)}.glo-close:hover{background:var(--blue-500)}.glo-search{display:flex;align-items:center;gap:10px;margin:0 22px 14px;padding:0 14px;border:1px solid var(--border-strong);border-radius:11px;color:var(--text-faint)}.glo-search input{flex:1 1;border:none;background:none;padding:11px 0;font-family:inherit;font-size:15px;color:var(--text);outline:none}.glo-list{flex:1 1;overflow-y:auto;padding:0 22px 24px}.glo-item{padding:14px 0;border-bottom:1px solid var(--border)}.glo-item:last-child{border-bottom:none}.glo-term{font-family:var(--font-display);font-weight:800;font-size:15.5px;color:var(--blue-600);margin-bottom:4px}html[data-theme=dark] .glo-term{color:var(--blue-300)}.glo-def{font-size:14px;line-height:1.6;color:var(--text-soft)}.glo-empty{color:var(--text-faint);padding:20px 0}.glo-page-item.destacado{background:var(--blue-100);border-radius:10px;box-shadow:0 0 0 10px var(--blue-100);animation:glo-hi 2.2s ease forwards}@keyframes glo-hi{0%,60%{background:var(--blue-100);box-shadow:0 0 0 10px var(--blue-100)}to{background:transparent;box-shadow:0 0 0 10px transparent}}@media (prefers-reduced-motion:reduce){.glo-page-item.destacado{animation:none}}.glo-mark{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:help;border-bottom:1px dotted var(--blue-400);transition:border-color .15s var(--ease),background .15s var(--ease)}.glo-mark:hover{border-bottom-color:var(--blue-600);background:var(--blue-100)}.glo-mark:focus-visible{outline:2px solid var(--blue-400);outline-offset:2px;border-radius:2px}html[data-theme=dark] .glo-mark{border-bottom-color:var(--blue-300)}html[data-theme=dark] .glo-mark:hover{background:rgba(120,170,255,.12)}.glo-pop{position:fixed;z-index:95;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:14px 16px;box-shadow:var(--shadow-lift);animation:glo-pop-in .14s var(--ease)}@keyframes glo-pop-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.glo-pop{animation:none}}.glo-pop-term{font-family:var(--font-display);font-weight:700;font-size:15px;color:var(--text);margin-bottom:5px}.glo-pop-def{font-size:13.5px;line-height:1.55;color:var(--text-soft);margin:0 0 10px}.glo-pop-link{font-size:12.5px;font-weight:600;color:var(--blue-600)}html[data-theme=dark] .glo-pop-link{color:var(--blue-300)}html.focus-reading .glo-mark{border-bottom-color:transparent}.glo-fab{position:fixed;right:22px;bottom:22px;z-index:90;display:inline-flex;align-items:center;gap:8px;padding:11px 16px 11px 14px;border:1px solid var(--border);border-radius:100px;background:var(--surface);color:var(--text);font-family:inherit;font-weight:700;font-size:14px;cursor:pointer;box-shadow:0 10px 30px -10px rgba(10,31,68,.4);transition:all .15s var(--ease)}.glo-fab:hover{border-color:var(--blue-400);transform:translateY(-1px)}.glo-fab svg{color:var(--blue-600)}html[data-theme=dark] .glo-fab svg{color:var(--blue-300)}.glo-page-item{padding:18px 0;border-bottom:1px solid var(--border)}.glo-page-item:last-child{border-bottom:none}.lesson-progress{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--blue-600),var(--blue-400) 70%,var(--gold));z-index:100;transition:width .1s linear;border-radius:0 2px 2px 0}html[data-theme=dark] .lesson-progress{background:var(--blue-400)}.lesson-kbd-hint{text-align:center;font-size:12px;color:var(--text-faint);margin-top:14px}.lesson-kbd-hint kbd{display:inline-block;padding:1px 7px;border:1px solid var(--border-strong);border-radius:5px;background:var(--section-alt);font-family:inherit;font-size:11px;color:var(--text-soft)}.adm-empty{text-align:center;padding:48px 24px;display:flex;flex-direction:column;align-items:center;border:1px dashed var(--border-strong);border-radius:18px;background:var(--section-alt)}.adm-empty-ic{width:60px;height:60px;display:grid;place-items:center;border-radius:15px;background:var(--surface);border:1px solid var(--border);color:var(--blue-600);margin-bottom:16px}html[data-theme=dark] .adm-empty-ic{color:var(--blue-300)}.adm-empty-title{font-size:18px;font-weight:800;margin-bottom:6px}.adm-empty-sub{font-size:14.5px;color:var(--text-soft);line-height:1.6;max-width:400px;margin:0 0 18px}.worked{border:1px solid var(--border);border-left:4px solid var(--blue-500);border-radius:14px;background:var(--surface);padding:20px 22px;margin:28px 0}.worked-badge{display:inline-block;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--blue-600);background:var(--section-alt);padding:4px 10px;border-radius:100px;margin-bottom:10px}html[data-theme=dark] .worked-badge{color:var(--blue-300)}.worked-title{font-family:var(--font-display);font-weight:800;font-size:18px;color:var(--text);margin-bottom:8px}.worked-intro{color:var(--text-soft)}.worked-steps{display:flex;flex-direction:column;gap:12px;margin:14px 0}.worked-step{border:1px solid var(--border);border-radius:11px;padding:14px 16px;background:var(--section-alt);animation:cdFade .2s var(--ease)}.worked-step-h{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;color:var(--text);margin-bottom:6px}.worked-step-n{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;flex:none;border-radius:50%;background:var(--blue-600);color:#fff;font-size:13px;font-weight:800}html[data-theme=dark] .worked-step-n{background:var(--blue-500)}.worked-step-body{color:var(--text-soft);font-size:15px}.worked-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:4px}.worked-done{display:flex;align-items:center;gap:12px;margin-top:4px}.worked-done-t{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--success-text);font-size:14px}.worked-done-t:before{content:"✓"}.worked-ed-step{border:1px solid var(--border);border-radius:11px;padding:12px 14px;background:var(--section-alt)}.worked-ed-step-h{display:flex;align-items:center;gap:10px;margin-bottom:8px}.steps{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}.step{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:26px 24px}.step-n{font-size:34px;font-weight:800;color:var(--blue-300);line-height:1;margin-bottom:12px}.step h3{font-size:18px;font-weight:800;margin-bottom:8px}.step p{color:var(--text-soft);line-height:1.6}.tst{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:20px;gap:20px}.tcard{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:24px;margin:0}.tcard blockquote{margin:0 0 16px;font-size:16px;line-height:1.6;color:var(--text)}.tcard figcaption{display:flex;align-items:center;gap:12px}.tcard figcaption b{display:block;font-size:14.5px;color:var(--text)}.tcard figcaption span{display:block;font-size:13px;color:var(--text-faint)}.tcard-photo{width:44px;height:44px;flex:none;border-radius:50%;background:var(--blue-700);color:#fff;display:grid;place-items:center;font-weight:800;font-size:15px}.tcard-photo-img{object-fit:cover}.teacher-photo-img{object-fit:cover;width:100%;height:100%}.cta-note{margin-top:14px;font-size:13.5px;opacity:.85}@media (max-width:860px){.tst{grid-template-columns:1fr}}@media (max-width:760px){.steps{grid-template-columns:1fr}}.pricing{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));grid-gap:20px;gap:20px;max-width:1040px;margin:0 auto}.price-card{position:relative;background:var(--surface);border:1px solid var(--border);border-radius:18px;padding:28px 26px;display:flex;flex-direction:column;transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}.price-card:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:var(--blue-300)}.price-card.featured{border-color:var(--blue-400);box-shadow:0 16px 40px -24px rgba(10,31,68,.5)}.price-card.featured:hover{box-shadow:0 22px 52px -22px rgba(10,31,68,.55)}.price-ribbon{position:absolute;top:-12px;left:50%;transform:translateX(-50%);background:#c79a3b;color:#201603;font-size:11.5px;letter-spacing:.04em;padding:5px 14px;border-radius:999px;white-space:nowrap;box-shadow:0 6px 16px -6px rgba(199,154,59,.55)}.price-k,.price-ribbon{font-weight:800;text-transform:uppercase}.price-k{font-size:13px;letter-spacing:.05em;color:var(--text-faint)}.price-v{font-size:34px;font-weight:800;color:var(--text);margin:6px 0 12px}.price-card>p{color:var(--text-soft);line-height:1.6;margin-bottom:16px}.price-feats{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-direction:column;gap:9px;flex:1 1}.price-feats li{position:relative;padding-left:26px;color:var(--text-soft);font-size:14.5px}.price-feats li:before{content:"";position:absolute;left:0;top:3px;width:16px;height:16px;border-radius:50%;background:var(--blue-700)}.price-feats li:after{content:"";position:absolute;left:5px;top:7px;width:6px;height:3px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}html[data-theme=dark] .price-feats li:before{background:var(--blue-500)}.price-card .btn{width:100%;justify-content:center}.home-faq{display:flex;flex-direction:column;gap:10px}.hfaq{border:1px solid var(--border);border-radius:12px;background:var(--surface);padding:4px 18px}.hfaq summary{cursor:pointer;font-weight:700;font-size:15.5px;color:var(--text);padding:14px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}.hfaq summary::-webkit-details-marker{display:none}.hfaq summary:after{content:"+";font-size:20px;color:var(--text-faint);font-weight:400}.hfaq[open] summary:after{content:"\2212"}.hfaq p{margin:0 0 16px;color:var(--text-soft);line-height:1.6}.home-sticky{display:none}@media (max-width:760px){.home-sticky{display:flex;align-items:center;gap:12px;position:fixed;left:12px;right:12px;bottom:12px;z-index:50;background:var(--surface);border:1px solid var(--border-strong);border-radius:14px;padding:10px 12px 10px 16px;box-shadow:0 12px 30px -10px rgba(10,31,68,.4)}.home-sticky-t{flex:1 1;font-weight:700;font-size:14px;color:var(--text)}.home-sticky-btn{padding:9px 18px}.home-sticky-x{border:none;background:none;color:var(--text-faint);font-size:20px;line-height:1;cursor:pointer;padding:0 4px}.pricing{grid-template-columns:1fr}}.allaccess-banner{display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;background:linear-gradient(100deg,#123a63,#1a4f86);color:#fff;text-decoration:none;border-radius:var(--radius,16px);padding:18px 24px;margin:0 auto 30px;max-width:900px;box-shadow:0 14px 36px -22px rgba(10,31,68,.7);transition:transform .15s ease,box-shadow .15s ease}.allaccess-banner:hover{transform:translateY(-1px);box-shadow:0 18px 40px -20px rgba(10,31,68,.8)}.allaccess-txt{display:flex;flex-direction:column;gap:3px}.allaccess-txt strong{font-family:Sora,sans-serif;font-size:16.5px;font-weight:700}.allaccess-txt span{font-size:13.5px;opacity:.86}.allaccess-cta{flex-shrink:0;font-weight:700;font-size:14.5px;background:hsla(0,0%,100%,.16);padding:9px 16px;border-radius:999px;white-space:nowrap}.course-search{display:flex;align-items:center;gap:10px;padding:0 14px;border:1px solid var(--border-strong);border-radius:12px;background:var(--surface);color:var(--text-faint);margin-bottom:4px}.course-search:focus-within,.glo-search:focus-within,.note-search:focus-within{border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(16,52,88,.14)}.course-search input{flex:1 1;border:none;background:none;padding:12px 0;font-family:inherit;font-size:15px;color:var(--text);outline:none}.course-search-x{border:none;background:none;color:var(--text-faint);font-size:20px;line-height:1;cursor:pointer;padding:0 4px}.lesson-readtime{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--text-faint);margin:2px 0 20px}html.focus-reading .glo-fab,html.focus-reading .hd,html.focus-reading .lesson-kbd-hint,html.focus-reading .lesson-notes,html.focus-reading footer{display:none!important}html.focus-reading .lesson-back{opacity:.45}.course-includes{list-style:none;padding:16px 0 0;margin:16px 0 0;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:9px}.course-includes li{position:relative;padding-left:26px;font-size:14px;color:var(--text-soft);text-align:left}.course-includes li:before{content:"";position:absolute;left:0;top:2px;width:16px;height:16px;border-radius:50%;background:var(--blue-700)}.course-includes li:after{content:"";position:absolute;left:5px;top:6px;width:6px;height:3px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}html[data-theme=dark] .course-includes li:before{background:var(--blue-500)}.course-toc-h{font-size:20px;font-weight:800;margin-bottom:6px}.course-toc-hint{font-size:13.5px;color:var(--text-faint);margin-bottom:14px}.course-instructor-av-img{object-fit:cover}.verif-banner{background:rgba(184,134,11,.1);border-bottom:1px solid rgba(184,134,11,.28)}.verif-banner-in{max-width:1120px;margin:0 auto;padding:10px 24px;display:flex;align-items:center;gap:12px;color:#7a5c07;font-size:14px;line-height:1.45}html[data-theme=dark] .verif-banner-in{color:#e3b23c}.verif-banner-in svg{flex:none;color:#b8860b}.verif-banner-txt{flex:1 1 auto;min-width:0}.verif-banner-btn{flex:none;border:1px solid #b8860b;background:transparent;color:#8a6400;font-family:inherit;font-size:13px;font-weight:700;padding:5px 14px;border-radius:8px;cursor:pointer;transition:background .15s var(--ease),color .15s var(--ease)}.verif-banner-btn:not(:disabled):hover{background:#b8860b;color:#fff}.verif-banner-btn:disabled{opacity:.55;cursor:default}html[data-theme=dark] .verif-banner-btn{color:#e3b23c}.verif-banner-x{flex:none;border:none;background:none;color:inherit;font-size:20px;line-height:1;cursor:pointer;opacity:.6;padding:0 2px}.verif-banner-x:hover{opacity:1}@media (max-width:620px){.verif-banner-in{flex-wrap:wrap;gap:8px}.verif-banner-txt{flex-basis:100%}}.skip-link{position:fixed;top:-60px;left:12px;z-index:200;background:var(--blue-700);color:#fff;padding:10px 16px;border-radius:0 0 10px 10px;font-weight:700;font-size:14px;text-decoration:none;transition:top .15s var(--ease)}.skip-link:focus{top:0;outline:2px solid #fff;outline-offset:2px}@media (pointer:coarse){.course-search-x,.glo-close,.hd-search,.home-sticky-x,.note-card-del,.note-card-go,.tbl-ed-del,.theme-btn{min-width:44px;min-height:44px}}.filepdf{margin:24px 0}.filepdf-bar{justify-content:space-between;gap:12px;padding:12px 14px;border:1px solid var(--border);border-bottom:none;border-radius:12px 12px 0 0;background:var(--surface)}.filepdf-bar,.filepdf-name{display:flex;align-items:center}.filepdf-name{gap:10px;font-weight:700;color:var(--text);min-width:0}.filepdf-name-t{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.filepdf-frame{width:100%;height:min(78vh,700px);border:1px solid var(--border);border-top:none;border-radius:0 0 12px 12px;display:block;background:var(--section-alt)}.filepdf-foot{font-size:13px;color:var(--text-faint);margin-top:8px}.filepdf-foot a{color:var(--blue-600);font-weight:700}html[data-theme=dark] .filepdf-foot a{color:var(--blue-300)}.filecard{margin:24px 0;display:flex;align-items:center;gap:16px;padding:16px 18px;border:1px solid var(--border);border-radius:14px;background:var(--surface)}.filecard-meta{min-width:0;flex:1 1}.filecard-name{font-weight:700;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.filecard-sub{font-size:13px;color:var(--text-faint);margin-top:2px}.pcard-soon{cursor:default;opacity:.62}.pcard-soon:hover{transform:none;box-shadow:none;border-color:var(--border)}.go.soon{color:var(--text-faint)}.lesson-content img,.rich img{max-width:100%;height:auto;border-radius:10px}.lesson-content a,.rich a{color:var(--blue-600);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px;-webkit-text-decoration-color:var(--gold-soft);text-decoration-color:var(--gold-soft)}html[data-theme=dark] .lesson-content a,html[data-theme=dark] .rich a{color:var(--blue-300)}:root{--hm-0:#e9eef5;--hm-1:#84b5e9;--hm-2:#5a94d5;--hm-3:#356fb8;--hm-4:#1a4f86;--hm-border:rgba(20,40,80,.1);--chart-line:#1a4f86;--chart-fill:rgba(26,79,134,.14)}html[data-theme=dark]{--hm-0:#16223a;--hm-1:#2c527d;--hm-2:#3f80bf;--hm-3:#5ea4e6;--hm-4:#93c6f7;--hm-border:hsla(0,0%,100%,.12);--chart-line:#7ab3ea;--chart-fill:rgba(122,179,234,.18)}.hm-scroll{overflow-x:auto;padding-bottom:4px}.hm-months{display:flex;gap:3px;margin-left:26px;margin-bottom:5px}.hm-month{width:12px;flex:0 0 12px;font-size:10px;color:var(--text-faint);white-space:nowrap;overflow:visible}.hm-body{display:flex;gap:6px;width:max-content}.hm-days{display:flex;flex-direction:column;gap:3px;width:20px;flex:0 0 20px}.hm-day{height:12px;font-size:9px;color:var(--text-faint);line-height:12px}.hm-col,.hm-grid{display:flex;gap:3px}.hm-col{flex-direction:column}.hm-cell{width:12px;height:12px;border-radius:3px;flex:0 0 12px;box-shadow:inset 0 0 0 1px var(--hm-border)}.hm-empty{background:transparent;box-shadow:none}.hm-legend{display:flex;align-items:center;gap:3px;margin:12px 0 0 26px;font-size:11px;color:var(--text-faint)}.hm-legend .hm-cell{width:11px;height:11px}.hd-menu{position:relative}.hd-menu,.hd-menu-btn{display:inline-flex;align-items:center}.hd-menu-btn{font-family:inherit;background:none;border:none;cursor:pointer;gap:4px;padding:0;line-height:1}.hd-chev{width:14px;height:14px;opacity:.7;transition:transform .2s ease}.hd-menu.open .hd-chev{transform:rotate(180deg)}.hd-dropdown{position:absolute;top:100%;left:50%;transform:translateX(-50%) translateY(-4px);padding-top:12px;min-width:224px;opacity:0;visibility:hidden;transition:opacity .16s ease,transform .16s ease;z-index:120}.hd-menu.open .hd-dropdown{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}.hd-dropdown-card{background:var(--surface);border:1px solid var(--border-strong);border-radius:13px;box-shadow:0 18px 44px -18px rgba(10,31,68,.4);padding:7px}.hd-dd-link{display:block;padding:10px 12px;border-radius:9px;font-size:14px;font-weight:600;color:var(--text-soft);white-space:nowrap;transition:background .15s,color .15s}.hd-dd-link:hover{background:var(--surface-2);color:var(--text)}.hd-dd-link:focus-visible{background:var(--surface-2);color:var(--text)}.hd-mobile-group{display:flex;flex-direction:column}.hd-mobile-grouplabel{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--text-faint);padding:15px 2px 5px}.hd-mobile-sub{padding-left:14px!important;font-size:15px!important}.hd-mobile.is-open{max-height:820px}.home-cat{display:flex;flex-direction:column;gap:50px}.home-track-h{display:flex;align-items:baseline;gap:12px}.home-track-h h3{font-family:var(--font-display);font-weight:800;font-size:22px;letter-spacing:-.02em}.home-track-n{font-size:13px;font-weight:700;color:var(--text-faint)}.home-track-desc{color:var(--text-soft);font-size:15px;margin:6px 0 22px}.home-cards{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:16px;gap:16px}.hc{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px 22px 20px;box-shadow:0 1px 2px rgba(10,31,68,.03),0 6px 16px -10px rgba(10,31,68,.09);transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease)}.hc:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:var(--blue-400)}.hc-lvl{align-self:flex-start;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--blue-600);background:var(--blue-100);padding:3px 10px;border-radius:100px;margin-bottom:12px}html[data-theme=dark] .hc-lvl{color:var(--blue-300);background:rgba(33,96,160,.16)}.hc-title{font-size:17px;font-weight:700;letter-spacing:-.02em;line-height:1.3;margin-bottom:7px}.hc-sub{font-size:13.5px;color:var(--text-soft);line-height:1.5;flex:1 1;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.hc-foot{display:flex;justify-content:space-between;align-items:center;margin-top:18px;padding-top:14px;border-top:1px solid var(--border)}.hc-price{font-family:var(--font-display);font-weight:800;font-size:16px;color:var(--text)}.hc-go{font-size:13px;font-weight:700;color:var(--blue-600);opacity:0;transform:translateX(-4px);transition:opacity .2s var(--ease),transform .2s var(--ease)}html[data-theme=dark] .hc-go{color:var(--blue-300)}.hc:hover .hc-go{opacity:1;transform:none}@media (max-width:900px){.home-cards{grid-template-columns:1fr 1fr}}@media (max-width:620px){.home-cards{grid-template-columns:1fr}.home-cat{gap:38px}}.ix-card{border:1px solid var(--border);border-radius:16px;padding:24px;margin:0;background:var(--surface);box-shadow:var(--shadow)}.ix-kicker{display:inline-block;font-size:11px;font-weight:800;letter-spacing:.06em;text-transform:uppercase;color:var(--blue-600);background:var(--blue-100);padding:4px 12px;border-radius:100px;margin-bottom:14px}html[data-theme=dark] .ix-kicker{color:var(--blue-300);background:var(--section-alt)}.ix-prompt{font-size:16px;line-height:1.6;color:var(--text);margin-bottom:14px}.ix-hint{font-size:13.5px;color:var(--text-soft);margin:0 0 14px}.ix-check{margin-top:18px}.ix-err{color:var(--danger-text);font-size:14px;margin-top:10px}.ix-signin{margin-top:14px;font-size:14px;color:var(--text-soft)}.ix-result{margin-top:18px;padding:14px 16px;border-radius:11px}.ix-result.ok{background:rgba(21,163,106,.1)}.ix-result.bad{background:rgba(214,69,80,.1)}.ix-result-h{font-weight:800;font-size:15px}.ix-result.ok .ix-result-h{color:var(--success-text)}.ix-result.bad .ix-result-h{color:var(--danger-text)}.ix-result-x{margin-top:8px;font-size:14.5px;line-height:1.6;color:var(--text)}.ix-result.ix-rv{background:rgba(184,134,11,.12)}.ix-result.ix-rv .ix-result-h{color:#8a6400}:root[data-theme=dark] .ix-result.ix-rv .ix-result-h{color:#e3b23c}.ix-blank.ix-rv{border-bottom-color:#b8860b;background:rgba(184,134,11,.14);color:#8a6400}:root[data-theme=dark] .ix-blank.ix-rv{color:#e3b23c}.ix-chip.ix-rv{border-color:#b8860b;background:rgba(184,134,11,.12)}.ix-order-row.ix-rv{background:rgba(184,134,11,.08)}.ix-dc-node.ix-rv,.ix-order-row.ix-rv,.ix-wf-row.ix-rv{border-color:#b8860b}.ix-actions-extra{display:flex;flex-wrap:wrap;gap:18px;margin-top:14px}.ix-link-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;background:none;border:1px solid var(--border-strong);border-radius:9px;padding:9px 18px;font-family:inherit;font-size:15px;font-weight:700;color:var(--blue-600);cursor:pointer}.ix-link-btn:not(:disabled):hover{color:var(--blue-500);border-color:var(--blue-500);background:var(--section-alt)}.ix-link-btn.ghost{color:var(--text-soft);font-weight:600}.ix-link-btn.ghost:not(:disabled):hover{color:var(--text);background:var(--section-alt);border-color:var(--border-strong)}.ix-link-btn:disabled{opacity:.5;cursor:default}.ix-chip{display:inline-flex;align-items:center;gap:8px;padding:11px 15px;border:1.5px solid var(--border-strong);border-radius:11px;background:var(--surface);color:var(--text);font-size:15px;font-weight:600;font-family:inherit;cursor:pointer;transition:border-color .15s var(--ease),background .15s var(--ease),transform .12s var(--ease);text-align:left}.ix-chip:not(:disabled):hover{border-color:var(--blue-400);background:var(--surface-2)}.ix-chip:active{transform:scale(.98)}.ix-chip.active{border-color:var(--blue-600);background:var(--blue-100);box-shadow:0 0 0 3px rgba(18,58,99,.12)}html[data-theme=dark] .ix-chip.active{border-color:var(--blue-300);background:rgba(122,167,255,.1)}.ix-chip.linked{border-color:var(--hue,var(--blue-500))}.ix-chip.ok{border-color:var(--success);background:rgba(21,163,106,.1)}.ix-chip.bad{border-color:var(--danger);background:rgba(214,69,80,.1)}.ix-chip:disabled{cursor:default}.ix-dot{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;color:#fff;font-size:11px;font-weight:800;flex:none}.ix-fill-text{font-size:16.5px;line-height:2.1;color:var(--text);white-space:pre-wrap}.ix-blank{display:inline-block;margin:0 3px;padding:4px 8px;border:none;border-bottom:2px solid var(--blue-500);border-radius:6px 6px 0 0;background:var(--surface-2);color:var(--text);font-family:inherit;font-size:15.5px;font-weight:600;text-align:center}.ix-blank:focus-visible{outline:2px solid var(--blue-400);outline-offset:1px;background:var(--blue-100)}.ix-blank:focus{background:var(--blue-100)}.ix-blank-sel{padding:5px 8px;cursor:pointer}.ix-blank.ok{border-bottom-color:var(--success-text);background:rgba(21,163,106,.12);color:var(--success-text)}.ix-blank.bad{border-bottom-color:var(--danger-text);background:rgba(214,69,80,.12);color:var(--danger-text)}.ix-match{display:grid;grid-template-columns:1fr 1fr;grid-gap:14px;gap:14px}.ix-col{display:flex;flex-direction:column;gap:10px}.ix-match-left,.ix-match-right{width:100%}.ix-match-right.targetable:not(.linked){border-style:dashed;border-color:var(--blue-400)}.ix-tray{display:flex;flex-wrap:wrap;gap:10px;padding:14px;border:1.5px dashed var(--border-strong);border-radius:12px;background:var(--surface-2);min-height:58px;align-items:center}.ix-tray-empty{color:var(--text-faint);font-size:14px}.ix-item{cursor:-webkit-grab;cursor:grab}.ix-item:active{cursor:-webkit-grabbing;cursor:grabbing}.ix-zones{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:14px;gap:14px;margin-top:14px}.ix-zone{border:1.5px solid var(--border-strong);border-radius:12px;background:var(--surface);overflow:hidden}.ix-t-label{display:block;font-weight:700}.ix-t-amount{display:block;font-size:12.5px;opacity:.85;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;margin-top:1px}.ix-tcuenta{margin-top:16px;border:1.5px solid var(--border-strong);border-radius:12px;overflow:hidden;background:var(--surface)}.ix-tcuenta-name{text-align:center;font-weight:800;font-family:var(--font-display);padding:10px;border-bottom:2px solid var(--text);background:var(--surface-2)}.ix-t-cols{display:grid;grid-template-columns:1fr 1fr}.ix-t-side{padding:12px;min-height:120px;display:flex;flex-direction:column}.ix-t-side+.ix-t-side{border-left:2px solid var(--text)}.ix-t-side.targetable{background:rgba(37,99,235,.05)}.ix-t-side-label{text-align:center;font-weight:800;font-size:12.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--text-soft);padding-bottom:8px;border-bottom:1px solid var(--border);margin-bottom:10px}.ix-t-side-body{display:flex;flex-direction:column;gap:8px;flex:1 1}.ix-t-total{text-align:right;font-weight:800;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;padding-top:10px;margin-top:8px;border-top:1px solid var(--border);color:var(--text)}.ix-t-balance{text-align:center;font-size:13px;font-weight:700;padding:10px;color:var(--text-faint)}.ix-t-balance.ok{color:var(--success-text)}.ix-t-balance.bad{color:var(--danger-text)}.ix-zone.targetable{border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(18,58,99,.08)}.ix-zone-label{font-size:13px;font-weight:800;color:var(--blue-600);background:var(--blue-100);padding:9px 14px}html[data-theme=dark] .ix-zone-label{color:var(--blue-300);background:var(--section-alt)}.ix-zone-body{display:flex;flex-wrap:wrap;gap:8px;padding:14px;min-height:56px;align-content:flex-start}.ix-zone-hint{color:var(--text-faint);font-size:13px}.ix-ratio{margin-top:16px;display:flex;align-items:stretch;gap:4px;flex-wrap:nowrap}.ix-ratio-frac{flex:1 1;min-width:0}.ix-ratio-zone{border:1.5px solid var(--border-strong);border-radius:12px;background:var(--surface);padding:11px 14px 12px}.ix-ratio-zone.targetable{border-color:var(--blue-500);box-shadow:0 0 0 3px rgba(18,58,99,.08)}.ix-ratio-zlabel{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);margin-bottom:8px}.ix-ratio-zbody{display:flex;flex-wrap:wrap;gap:8px;min-height:30px;align-items:center}.ix-ratio-bar{height:2.5px;background:var(--blue-600);border-radius:3px;margin:9px 2px;opacity:.85}html[data-theme=dark] .ix-ratio-bar{background:var(--blue-300)}.ix-ratio-eq{flex:none;display:flex;align-items:center;justify-content:center;gap:8px;padding-left:14px;margin-left:10px;border-left:1px solid var(--border)}.ix-ratio-eqsign{font-size:22px;font-weight:300;color:var(--text-faint)}.ix-ratio-eqval{font-family:var(--font-display);font-weight:800;font-size:23px;color:var(--blue-600);font-feature-settings:"tnum";font-variant-numeric:tabular-nums;white-space:nowrap}html[data-theme=dark] .ix-ratio-eqval{color:var(--blue-300)}@media (max-width:520px){.ix-ratio{flex-wrap:wrap}.ix-ratio-eq{width:100%;border-left:none;border-top:1px solid var(--border);margin-left:0;padding-left:0;padding-top:12px;margin-top:4px}}.ix-asiento{margin-top:16px;display:flex;flex-direction:column;gap:10px}.ix-asiento-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:10px 12px;border:1.5px solid var(--border-strong);border-radius:11px;background:var(--surface)}.ix-asiento-row.ok{border-color:var(--success);background:rgba(21,163,106,.08)}.ix-asiento-row.bad{border-color:var(--danger);background:rgba(214,69,80,.07)}.ix-asiento-acc{flex:1 1;min-width:150px;padding:10px 12px;font-size:14.5px;font-family:inherit;background:var(--surface);color:var(--text)}.ix-asiento-acc,.ix-asiento-side{border:1px solid var(--border-strong);border-radius:9px}.ix-asiento-side{display:inline-flex;overflow:hidden}.ix-asiento-side button{padding:9px 13px;font-size:13px;font-weight:700;font-family:inherit;border:none;background:var(--surface);color:var(--text-soft);cursor:pointer}.ix-asiento-side button.on{background:var(--blue-600);color:#fff}.ix-asiento-side button:disabled{cursor:default}.ix-asiento-amt{width:130px;padding:10px 12px;font-size:14.5px;font-family:inherit;border:1px solid var(--border-strong);border-radius:9px;background:var(--surface);color:var(--text);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.ix-asiento-del{width:32px;height:32px;flex:none;border:1px solid var(--border-strong);border-radius:8px;background:var(--surface);color:var(--text-faint);font-size:18px;line-height:1;cursor:pointer}.ix-asiento-del:hover{color:var(--danger-text);border-color:var(--danger)}.ix-asiento-add{align-self:flex-start;background:none;border:1.5px dashed var(--border-strong);border-radius:9px;padding:9px 14px;font-size:13.5px;font-weight:700;color:var(--blue-600);font-family:inherit;cursor:pointer}html[data-theme=dark] .ix-asiento-add{color:var(--blue-300)}.ix-asiento-totals{display:flex;gap:18px;flex-wrap:wrap;align-items:center;margin-top:4px;padding:12px 14px;border-radius:11px;background:var(--surface-2);font-size:13.5px;color:var(--text-soft);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.ix-asiento-bal{margin-left:auto;font-weight:800;color:var(--text-faint)}.ix-asiento-bal.ok{color:var(--success-text)}.ix-asiento-bal.bad{color:var(--danger-text)}.ix-order{display:flex;flex-direction:column;gap:8px}.ix-order-row{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1.5px solid var(--border-strong);border-radius:11px;background:var(--surface);cursor:-webkit-grab;cursor:grab}.ix-order-row:active{cursor:-webkit-grabbing;cursor:grabbing}.ix-order-row.ok{border-color:var(--success);background:rgba(21,163,106,.08)}.ix-order-row.bad{border-color:var(--danger);background:rgba(214,69,80,.08)}.ix-order-n{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--blue-100);color:var(--blue-600);font-size:13px;font-weight:800;flex:none}html[data-theme=dark] .ix-order-n{background:var(--section-alt);color:var(--blue-300)}.ix-order-t{flex:1 1;font-size:15px;font-weight:600;color:var(--text)}.ix-order-btns{display:flex;flex-direction:column;gap:2px}.ix-ord-btn{width:26px;height:20px;border:1px solid var(--border-strong);border-radius:6px;background:var(--surface);color:var(--text-soft);cursor:pointer;font-size:9px;line-height:1}.ix-ord-btn:disabled{opacity:.35;cursor:default}@media (pointer:coarse){.ix-order-btns{flex-direction:row;gap:6px}.ix-ord-btn{width:44px;height:40px;font-size:13px}}@media (max-width:560px){.ix-match{grid-template-columns:1fr}}.ix-wf{display:flex;flex-direction:column;gap:8px;margin:14px 0}.ix-wf-row{display:flex;align-items:center;gap:10px;padding:8px 11px;border:1px solid var(--border);border-radius:10px;background:var(--surface)}.ix-wf-row.end,.ix-wf-row.start{background:var(--surface-2)}.ix-wf-row.end{border-color:var(--blue-500)}.ix-wf-row.ok{border-color:var(--success)}.ix-wf-row.bad{border-color:var(--danger)}.ix-wf-label{flex:1 1 90px;min-width:0;font-size:14px;font-weight:600;color:var(--text)}.ix-wf-signs{flex:0 0 auto;display:flex;gap:4px}.ix-sign{width:34px;height:30px;border:1.5px solid var(--border-strong);border-radius:8px;background:var(--surface);color:var(--text-soft);font-size:16px;font-weight:700;cursor:pointer;line-height:1}.ix-sign:disabled{cursor:default}.ix-sign.plus.on{border-color:var(--success);background:rgba(21,163,106,.12);color:var(--success-text)}.ix-sign.minus.on{border-color:var(--danger);background:rgba(214,69,80,.12);color:var(--danger-text)}.ix-wf-bar{flex:2 1 70px;height:14px;background:var(--surface-2);border-radius:7px;overflow:hidden}.ix-wf-fill{display:block;height:100%;border-radius:7px;background:var(--blue-500);transition:width .2s var(--ease)}.ix-wf-fill.pos{background:#15a36a}.ix-wf-fill.neg{background:#d64550}.ix-wf-val{flex:0 0 auto;min-width:84px;text-align:right;font-size:12.5px;color:var(--text-soft);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.ix-dc-result{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-radius:10px;background:var(--blue-100);margin:14px 0 12px}html[data-theme=dark] .ix-dc-result{background:var(--section-alt)}.ix-dc-rlabel{font-weight:800;color:var(--blue-600)}html[data-theme=dark] .ix-dc-rlabel{color:var(--blue-300)}.ix-dc-rval{font-size:18px;font-weight:700;color:var(--blue-600);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}html[data-theme=dark] .ix-dc-rval{color:var(--blue-300)}.ix-dc-eq{display:flex;flex-wrap:wrap;align-items:stretch;gap:8px}.ix-dc-node-wrap{display:flex;align-items:center;gap:8px}.ix-dc-op{font-size:18px;color:var(--text-faint);font-weight:700}.ix-dc-node{display:flex;flex-direction:column;gap:4px;padding:10px 12px;border:1.5px solid var(--border-strong);border-radius:10px;background:var(--surface);min-width:108px}.ix-dc-node.ok{border-color:var(--success)}.ix-dc-node.bad{border-color:var(--danger)}.ix-dc-nlabel{font-size:11.5px;color:var(--text-faint)}.ix-dc-nval{font-size:16px;font-weight:700;color:var(--text);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.ix-dc-input{width:100%;padding:6px 8px;border:1.5px solid var(--blue-400);border-radius:8px;background:var(--surface);color:var(--text);font-size:15px;font-weight:600;font-family:inherit}.ix-dc-live{font-size:14px;color:var(--text-soft);margin:12px 0 0}.ix-sn-goal{font-size:14.5px;color:var(--text);background:var(--surface-2);border-radius:10px;padding:10px 14px;margin:14px 0}.ix-sn-inputs{gap:14px}.ix-sn-inputs,.ix-sn-row{display:flex;flex-direction:column}.ix-sn-row{gap:6px}.ix-sn-label{display:flex;justify-content:space-between;gap:12px;font-size:14px;font-weight:600;color:var(--text)}.ix-sn-cur{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;color:var(--blue-600)}html[data-theme=dark] .ix-sn-cur{color:var(--blue-300)}.ix-sn-slider{width:100%;accent-color:var(--blue-600);height:26px;cursor:pointer}.ix-sn-out{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-radius:10px;border:2px solid var(--border-strong);margin-top:16px;transition:border-color .2s var(--ease),background .2s var(--ease)}.ix-sn-out.hit{border-color:var(--success);background:rgba(21,163,106,.1)}.ix-sn-olabel{font-weight:700;color:var(--text)}.ix-sn-oval{font-size:20px;font-weight:800;color:var(--text);font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.ix-sn-out.hit .ix-sn-oval{color:var(--success-text)}@media (pointer:coarse){.ix-sign{width:42px;height:38px}}.ed-prev-ix{border:1px solid var(--border);border-radius:12px;padding:18px 20px;margin:20px 0;background:var(--surface)}.ed-prev-fill{font-size:15.5px;line-height:1.9;color:var(--text)}.ed-prev-blank{border-bottom:2px solid var(--blue-500);font-weight:700;padding:0 4px}.ed-prev-pair{font-size:14.5px;color:var(--text);padding:4px 0}.ed-prev-pair span{color:var(--text-faint);margin:0 6px}.ed-prev-order{margin:6px 0 0 20px;font-size:14.5px;color:var(--text)}.ed-prev-order li{padding:2px 0}.ed-prev-zone{font-size:14.5px;color:var(--text);padding:3px 0}.ed-prev-zone-l{font-weight:800;color:var(--blue-600)}.ruta-empty{text-align:center;color:var(--text-soft);padding:40px 0;font-size:15px}.ruta-list{display:flex;flex-direction:column;gap:30px;max-width:780px;margin:0 auto}.ruta{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 30px;box-shadow:0 1px 2px rgba(10,31,68,.03),0 6px 16px -10px rgba(10,31,68,.09)}.ruta-head{display:flex;align-items:flex-start;gap:16px}.ruta-lvl{flex:none;font-size:12px;font-weight:800;letter-spacing:.04em;text-transform:uppercase;color:var(--blue-600);background:var(--blue-100);padding:7px 13px;border-radius:100px;margin-top:4px}.ruta-title{font-family:var(--font-display);font-weight:800;font-size:23px;letter-spacing:-.02em;color:var(--text)}.ruta-desc{font-size:14px;color:var(--text-soft);margin-top:5px}.ruta-meta{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-top:18px;font-size:12.5px;font-weight:700;color:var(--text-faint);text-transform:uppercase;letter-spacing:.05em}.ruta-prog-txt{color:var(--blue-600)}.ruta-bar{height:8px;border-radius:100px;background:var(--surface-2);border:1px solid var(--border);overflow:hidden;margin-top:10px}.ruta-bar i{display:block;height:100%;border-radius:100px;background:linear-gradient(90deg,var(--blue-500),var(--blue-600));transition:width .5s var(--ease)}.ruta-steps{list-style:none;margin:22px 0 0;padding:0;position:relative}.ruta-steps:before{content:"";position:absolute;left:17px;top:18px;bottom:18px;width:2px;background:var(--border)}.ruta-step,.ruta-steps li{position:relative}.ruta-step{display:flex;align-items:flex-start;gap:15px;padding:13px 14px;border-radius:14px;text-decoration:none;color:inherit;transition:background .2s var(--ease)}.ruta-step:hover{background:var(--surface-2)}.ruta-step:hover .ruta-step-arr{color:var(--blue-600);transform:translateX(2px)}.ruta-node{flex:none;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--surface);border:2px solid var(--border-strong);color:var(--text-soft);font-weight:800;z-index:1}.ruta-num{font-size:14px}.ruta-step.done .ruta-node{background:#15a36a;border-color:#15a36a;color:#fff}.ruta-step-body{flex:1 1;min-width:0;padding-top:1px}.ruta-step-t{display:block;font-family:var(--font-display);font-weight:700;font-size:15.5px;color:var(--text)}.ruta-step-d{display:block;font-size:13px;color:var(--text-soft);margin-top:2px}.ruta-step-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:9px}.ruta-tag{font-size:11.5px;font-weight:700;text-transform:capitalize;color:var(--blue-600);background:var(--blue-100);padding:3px 10px;border-radius:100px}.ruta-tag.soft{color:var(--text-soft);background:var(--surface-2);border:1px solid var(--border);text-transform:none}.ruta-tag.go{color:#fff;background:var(--blue-600)}.ruta-tag.ok{color:#0e8a58;background:rgba(21,163,106,.12)}.ruta-step-bar{height:5px;background:var(--surface-2);overflow:hidden;margin-top:10px}.ruta-step-bar,.ruta-step-bar i{display:block;border-radius:100px}.ruta-step-bar i{height:100%;background:linear-gradient(90deg,var(--blue-500),var(--blue-600))}.ruta-step-arr{flex:none;align-self:center;color:var(--text-faint);transition:color .2s var(--ease),transform .2s var(--ease)}@media (max-width:560px){.ruta{padding:22px 18px}.ruta-head{flex-direction:column;gap:10px}.ruta-title{font-size:20px}}.ficha-kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:14px;gap:14px;margin-top:24px}.ficha-kpi{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 18px}.ficha-kpi-k{font-size:12.5px;color:var(--text-faint);font-weight:600}.ficha-kpi-v{font-family:var(--font-display);font-weight:800;font-size:21px;letter-spacing:-.02em;margin-top:4px}.ficha-kpi-sub{font-size:12.5px;color:var(--text-soft);margin-top:3px}.ficha-tabla{width:100%;border-collapse:collapse;font-size:14px}.ficha-tabla th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-faint);font-weight:700;padding:0 12px 8px 0;white-space:nowrap}.ficha-tabla td{padding:10px 12px 10px 0;border-top:1px solid var(--border);vertical-align:top}.ov-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));grid-gap:14px;gap:14px}.ov-card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 18px;display:block}.ov-card-link{transition:border-color .15s var(--ease),transform .15s var(--ease)}.ov-card-link:hover{border-color:var(--border-strong);transform:translateY(-1px)}.ov-k{font-size:12.5px;color:var(--text-faint);font-weight:600}.ov-v{font-family:var(--font-display);font-weight:800;font-size:24px;letter-spacing:-.03em;color:var(--text);display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}.ov-sub,.ov-v{margin-top:4px}.ov-sub{font-size:12.5px;color:var(--text-soft);line-height:1.4}.ov-delta{font-family:var(--font-sans,inherit);font-size:12.5px;font-weight:700;color:var(--success-text)}.ov-delta.baja{color:var(--danger-text)}.ov-todo{display:flex;align-items:center;gap:10px;padding:12px 16px;border:1px solid var(--border-strong);border-radius:12px;background:var(--surface-2);font-size:14px;margin-bottom:14px}.ov-todo-dot{width:7px;height:7px;border-radius:50%;background:var(--gold);flex-shrink:0}.ov-skel{height:96px;border-radius:14px;background:var(--section-alt);margin-top:24px}.pag{display:flex;align-items:center;justify-content:center;gap:14px;margin-top:22px}.pag-txt{font-size:13.5px;color:var(--text-soft)}.adm-tabla{width:100%;border-collapse:collapse;font-size:14px}.adm-tabla th{text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-faint);font-weight:700;padding:0 14px 9px 0;white-space:nowrap}.adm-tabla td{padding:12px 14px 12px 0;border-top:1px solid var(--border);vertical-align:top}.lead-embudo{display:flex;gap:8px;flex-wrap:wrap}.lead-pill{border:1px solid var(--border-strong);background:var(--surface);color:var(--text-soft);font-family:inherit;font-size:13px;font-weight:600;padding:7px 14px;border-radius:100px;cursor:pointer;transition:border-color .15s var(--ease),color .15s var(--ease)}.lead-pill:hover{border-color:var(--blue-400);color:var(--text)}.lead-pill.on{border-color:var(--blue-500);color:var(--text);background:var(--surface-2)}.lead-pill b{font-weight:800}.lead-sel{font-family:inherit;font-size:13px;padding:6px 10px;border:1px solid var(--border-strong);border-radius:8px;background:var(--surface);color:var(--text);cursor:pointer}.audit-list{list-style:none;padding:0;margin:26px 0 0}.audit-item{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--border)}.audit-item:first-child{border-top:none}.audit-dot{width:8px;height:8px;border-radius:50%;margin-top:6px;flex-shrink:0}.audit-body{flex:1 1;min-width:0}.audit-line{display:flex;justify-content:space-between;align-items:baseline;gap:10px}.audit-tag{font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.03em}.audit-time{font-size:12.5px;color:var(--text-faint);white-space:nowrap}.audit-summary{font-size:14.5px;color:var(--text);margin-top:3px}.audit-meta{font-size:12.5px;color:var(--text-faint);margin-top:3px}.ficha-acciones{display:flex;gap:8px;flex-wrap:wrap;margin-top:20px}.ficha-aviso{margin-top:12px;padding:10px 14px;background:var(--surface-2);border:1px solid var(--border);border-radius:10px;font-size:14px;color:var(--text-soft)}.freecourse{position:relative;overflow:hidden;border-radius:var(--radius-lg);background:var(--surface);border:1px solid var(--border-strong);box-shadow:var(--shadow-lift);padding:42px 46px}.freecourse-dots{position:absolute;inset:0;background-image:radial-gradient(var(--gold-soft) 1px,transparent 1px);background-size:22px 22px;-webkit-mask-image:radial-gradient(circle at 88% 15%,#000,transparent 62%);mask-image:radial-gradient(circle at 88% 15%,#000,transparent 62%);opacity:.5;pointer-events:none}.freecourse-body{position:relative;max-width:660px}.freecourse-eyebrow{display:inline-flex;align-items:center;gap:12px;font-size:12.5px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--text-faint);margin-bottom:16px;flex-wrap:wrap}.freecourse-badge{background:var(--success-text);color:#fff;padding:4px 12px;border-radius:100px;letter-spacing:.08em}.freecourse-title{font-size:clamp(26px,3.6vw,40px);letter-spacing:-.03em;line-height:1.1;margin:0 0 12px}.freecourse-sub{color:var(--text-soft);font-size:18px;line-height:1.5;margin:0 0 22px}.freecourse-feats{list-style:none;display:flex;flex-wrap:wrap;gap:10px 24px;padding:0;margin:0 0 28px}.freecourse-feats li{position:relative;padding-left:24px;font-size:14.5px;font-weight:600;color:var(--text)}.freecourse-feats li:before{content:"✓";position:absolute;left:0;top:-1px;color:var(--success-text);font-weight:800}.freecourse-note{align-self:center;font-size:13px;color:var(--text-faint)}@media (max-width:640px){.freecourse{padding:30px 24px}.freecourse-sub{font-size:16px}}