:root{--blue:#1d4fc4;--blue2:#12338a;--red:#c8281e;--ink:#14213d;--mut:#5b6785;--bg:#f4f7fc;--r:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:78px}
body{margin:0;font-family:Inter,Arial,system-ui,sans-serif;color:var(--ink);background:#fff;line-height:1.6;overflow-x:hidden;padding-bottom:64px}
a{color:inherit;text-decoration:none}:focus-visible{outline:3px solid #f2a900;outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 2px 12px #0b4aa21a}
.bar{display:flex;align-items:center;gap:16px;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--blue);font-size:1.25rem;line-height:1.1}.logo img{width:52px;height:52px;border-radius:50%;display:block}.logo b{color:var(--red)}.fl{width:72px;height:72px;border-radius:50%;background:#fff;margin-bottom:10px}.logo small{display:block;font-size:.6rem;color:var(--mut);font-weight:600;letter-spacing:.04em}
nav{margin:0 auto;display:flex;gap:4px}nav a{padding:8px 12px;border-radius:8px;font-weight:500;font-size:.92rem}
nav a:hover{background:var(--bg)}nav a.on{background:var(--blue);color:#fff}
.btn{display:inline-block;border:0;cursor:pointer;font:inherit;font-weight:700;padding:12px 22px;border-radius:10px;transition:.2s}
.btn.red{background:var(--red);color:#fff}.btn.red:hover{background:#a82018;transform:translateY(-1px)}
.btn.line{border:2px solid #fff;color:#fff}.btn.line:hover{background:#fff;color:var(--blue)}
.btn.blue{background:var(--blue);color:#fff}.btn.ghost{border:2px solid var(--blue);color:var(--blue);background:#fff}
#burger{display:none;background:none;border:0;font-size:1.7rem;color:var(--blue)}
.hero{background:linear-gradient(100deg,#071d45ee 35%,#0b4aa2aa),repeating-linear-gradient(45deg,#16315f 0 18px,#1a3a70 18px 36px);color:#fff;padding:72px 0}
.hero .wrap{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.eyebrow{border-left:4px solid var(--red);padding-left:10px;font-weight:700;letter-spacing:.035em;font-size:.85rem;color:#9fc4ff}
h1{font-size:clamp(2rem,4.5vw,3.4rem);line-height:1.15;margin:.3em 0;max-width:15em}
.hero p{max-width:34em;color:#dbe7ff}.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.video{aspect-ratio:16/10;border-radius:var(--r);background:linear-gradient(135deg,#1c4a9a,#0a2a5e);display:grid;place-items:center;box-shadow:0 18px 40px #0006;text-align:center;border:0;color:#fff;width:100%;cursor:pointer;font:inherit}
.play{width:64px;height:64px;border-radius:50%;background:var(--red);display:grid;place-items:center;font-size:1.6rem;margin:0 auto 8px}
section{padding:64px 0}section.alt{background:var(--bg)}
h2{font-size:clamp(1.5rem,3vw,2.1rem);color:var(--blue);margin:0 0 8px}.sub{color:var(--mut);margin:0 0 32px}
.grid{display:grid;gap:20px;grid-template-columns:repeat(4,1fr)}
.card{background:#fff;border-radius:var(--r);box-shadow:0 6px 22px #0b4aa21f;overflow:hidden;display:flex;flex-direction:column;transition:.2s}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 30px #0b4aa233}
.ph{aspect-ratio:16/9;background:linear-gradient(135deg,#dbe7ff,#b9d0f7);display:grid;place-items:center;color:var(--blue);font-weight:800;font-size:2rem}
.card .b{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}.card h3{margin:0}.card p{margin:0;color:var(--mut);font-size:.92rem;flex:1}
.price{color:var(--red);font-size:1.5rem;font-weight:800}.card .row{display:flex;gap:8px}.card .btn{padding:10px 12px;font-size:.88rem;flex:1;text-align:center}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.step{background:#fff;padding:22px;border-radius:var(--r);box-shadow:0 4px 16px #0b4aa21a}
.step i{display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--blue);color:#fff;font-style:normal;font-weight:800;margin-bottom:10px}
.pend{background:#fff;border:2px dashed #b9c6e2;border-radius:var(--r);padding:28px;text-align:center;color:var(--mut)}
.two{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
form{background:#fff;padding:26px;border-radius:var(--r);box-shadow:0 8px 28px #0b4aa225;display:grid;gap:14px}
label{font-weight:600;font-size:.9rem;display:grid;gap:4px}
input,select,textarea{font:inherit;padding:11px 12px;border:1.5px solid #c5d0e6;border-radius:9px;width:100%}
.hp{position:absolute;left:-9999px}.msg{padding:12px;border-radius:9px;font-weight:600}.ok{background:#e4f7ea;color:#1b6b34}.err{background:#fde8e8;color:#a31b1b}
details{background:#fff;border-radius:10px;padding:14px 18px;margin-bottom:10px;box-shadow:0 2px 10px #0b4aa214}summary{cursor:pointer;font-weight:600}
footer{background:var(--blue2);color:#cfdcf5;padding:44px 0 24px}footer a:hover{color:#fff}footer h4{color:#fff;margin:0 0 8px}
.fgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
[hidden]{display:none!important}
.content-list{display:grid;gap:16px;margin-top:20px}
dialog{border:0;border-radius:var(--r);max-width:520px;width:calc(100% - 32px);padding:24px}dialog::backdrop{background:#000a}
.float{position:fixed;right:16px;bottom:90px;display:grid;gap:10px;z-index:40}
.float a,#top-btn{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:800;font-size:.8rem;box-shadow:0 4px 14px #0004;border:0;cursor:pointer}
#top-btn{background:var(--blue);display:none}
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:45;background:#fff;box-shadow:0 -3px 14px #0003;grid-template-columns:repeat(3,1fr);gap:8px;padding:8px}
.mbar a{text-align:center;padding:11px 4px;border-radius:9px;color:#fff;font-weight:700}
@media(max-width:1100px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:860px){
 nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 20px;box-shadow:0 8px 16px #0002}nav.open{display:flex}
 #burger{display:block;margin-left:auto}.hotline{padding:9px 12px;font-size:.85rem}
 .hero .wrap,.two,.fgrid{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.mbar{display:grid}.float{display:none}
}
@media(max-width:640px){.grid{grid-template-columns:1fr}section{padding:44px 0}.logo small{display:none}}
@media(min-width:861px) and (max-width:1180px){nav{display:none;position:absolute;top:68px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 20px;box-shadow:0 8px 16px #0002}nav.open{display:flex}#burger{display:block;margin-left:auto}}

/* Typography and page layout */
body{font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;padding-bottom:0}
h1,h2,h3,h4{font-family:Inter,Arial,system-ui,sans-serif;letter-spacing:-.025em;font-weight:650}
h1{font-size:clamp(2rem,4.1vw,3.35rem);line-height:1.2;max-width:18em;text-wrap:balance}
h2{font-size:clamp(1.5rem,2.8vw,2rem);line-height:1.35;color:#173468}
h3{font-size:1.15rem;line-height:1.4}.btn{font-weight:600}.price{font-weight:700;font-size:1.55rem}
.logo{font-weight:700;font-size:1.18rem}.logo b{letter-spacing:.015em}.logo small{font-size:.63rem;letter-spacing:0;font-weight:500}
nav a{font-size:.85rem;font-weight:500;padding:8px 9px}nav a.on{background:#edf3ff;color:var(--blue)}
.hero{background:radial-gradient(ellipse at 85% 15%,#285cc0 0%,transparent 58%),linear-gradient(110deg,#102c61,#163c7f);padding:80px 0}
.hero h1{font-weight:650}.hero p{font-size:1.06rem;line-height:1.8}.eyebrow{font-weight:500;font-size:.8rem}
.video{box-shadow:none;border:1px solid #ffffff30;background:#ffffff0b}
section{padding:56px 0}.card{border:1px solid #e7ecf4;box-shadow:0 4px 18px #13336609}.ph{aspect-ratio:2.5;background:linear-gradient(125deg,#eff5ff,#dce8fc);font-size:2.2rem;font-weight:650}
.page-head{background:#f1f5fc;border-bottom:1px solid #e5ebf5;padding:40px 0}.page-head h1{font-size:clamp(1.8rem,3.4vw,2.5rem);margin:10px 0;max-width:none}.page-head p{color:var(--mut);margin:0;max-width:700px}.crumb{font-size:.85rem;color:#687795}.crumb a{color:var(--blue)}
.content-list{display:grid;gap:18px;margin-top:24px}.content-list .step h3{margin-top:0}.filter{display:flex;gap:8px;margin-top:16px;flex-wrap:wrap}.filter button{font:inherit;border:1px solid #d3dff0;background:white;padding:7px 16px;border-radius:20px;cursor:pointer}.filter button.on{background:var(--blue);color:white;border-color:var(--blue)}
.contact-strip{padding:32px;background:#f1f5fc;border-radius:16px;display:flex;align-items:center;justify-content:space-between;gap:20px}.contact-strip h2{margin:0}.course-detail{max-width:820px}.course-detail .price{font-size:2rem}.course-detail ul{padding-left:22px}.course-detail p{color:var(--mut)}
@media(max-width:860px){body{padding-bottom:72px}.hero{padding:48px 0}.contact-strip{display:block}.contact-strip .btn{margin-top:16px}.hero h1{font-size:2.05rem}.bar{gap:10px}.hotline{font-size:.78rem;padding:10px}.wrap{padding:0 18px}}