:root{--ink:#14161c;--ink-2:#2b2f3a;--red:#d92d2d;--red-d:#b51f1f;--gold:#ffc72c;--bg:#f6f6f3;--card:#fff;--line:#e6e5df;--muted:#6b6f7b;--green:#1f9d55;--green-bg:#e7f6ed;--amber-bg:#fff6dc;--red-bg:#fdecec;--wa:#1fa855;--radius:14px;--shadow:0 1px 2px #14161c0d, 0 6px 24px #14161c0f;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;font-family:Cairo,system-ui,-apple-system,Segoe UI,sans-serif;line-height:1.65}*{box-sizing:border-box}body{margin:0}a{color:inherit}img{max-width:100%;display:block}h1,h2,h3,h4{margin:0 0 .5em;line-height:1.3}h1{font-size:clamp(1.6rem,3.2vw,2.3rem);font-weight:800}p{margin:0 0 1em}.container{width:min(1180px,100% - 32px);margin-inline:auto}.section{padding-block:40px 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span{background:var(--ink);border-radius:2px;width:22px;height:2px;margin:5px 0;display:block}.footer{background:var(--ink);color:#fff;margin-top:40px;padding:32px 0}.footer .logo-text{color:#fff}.footer .muted{color:#a6aab5}.footer-in{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;display:flex}.footer p{margin:6px 0 0}.app{flex-direction:column;min-height:100vh;display:flex}.main{flex:1}.hero{background:radial-gradient(1200px 400px at 80% -10%, #3a2a10 0%, transparent 60%), var(--ink);color:#fff}.hero-in{grid-template-columns:1.2fr 1fr;align-items:center;gap:40px;padding-block:64px;display:grid}.hero h1{font-size:clamp(1.9rem,4.4vw,3.1rem)}.hero p{color:#c9ccd4;max-width:560px;font-size:1.1rem}.eyebrow{color:var(--gold);margin-bottom:10px;font-size:.9rem;font-weight:700;display:inline-block}.hero-art{min-height:280px;position:relative}.hero-card{color:var(--ink);direction:ltr;background:#fff;border-radius:14px;padding:14px 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(width<=960px){.course-layout,.course-head,.hero-in{grid-template-columns:1fr}.course-side{position:static}.hero-art{display:none}.lesson-layout{grid-template-columns:1fr}.lesson-side{max-height:none;display:none;position:static}.lesson-side.open{display:block}.only-mobile{display:inline-flex}.stats{grid-template-columns:repeat(2,1fr)}}@media (width<=760px){.burger{display:block}.nav{top:66px;border-bottom:1px solid var(--line);background:#fff;flex-direction:column;align-items:stretch;padding:12px 16px 18px;display:none;position:absolute;inset-inline:0;box-shadow:0 10px 20px #0000000f}.nav.open{display:flex}.nav-actions{flex-wrap:wrap;margin:8px 0 0}.features,.grid-2,.grid-3{grid-template-columns:1fr}.features{margin-top:20px}.section{padding-block:28px 40px}.item-list .kind{min-width:0}}