:root{
  --accent:#8B5CF6; --accent-2:#A78BFA;
  --bg:#101124; --bg-2:#0A0B16; --card:#191A33; --line:#2A2B4A;
  --text:#FFFFFF; --muted:#A9A7B8;
  --yellow:#F5C518; --pink:#F06AA8; --green:#4ADE80;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;
}
a{color:var(--accent-2);text-decoration:none}
a:hover{text-decoration:underline}
.glow{position:fixed;inset:0;z-index:-1;background:
  radial-gradient(60% 45% at 50% 0%, rgba(139,92,246,.22), transparent 70%),
  linear-gradient(180deg,var(--bg),var(--bg-2));}
.wrap{max-width:860px;margin:0 auto;padding:0 24px}
header{display:flex;align-items:center;justify-content:space-between;padding:22px 0;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;font-size:19px;letter-spacing:.3px;color:var(--text)}
.brand img{width:36px;height:36px;border-radius:9px}
header nav a{color:var(--muted);margin-left:22px;font-size:15px}
header nav a:hover{color:var(--text);text-decoration:none}

.doc{padding:46px 0 30px}
.doc h1{font-size:38px;font-weight:850;letter-spacing:-.5px;margin-bottom:8px}
.doc .updated{color:var(--muted);font-size:14px;margin-bottom:34px}
.doc h2{font-size:22px;font-weight:750;margin:34px 0 12px;color:var(--text)}
.doc h3{font-size:17px;font-weight:700;margin:24px 0 6px;color:var(--text)}
.doc p,.doc li{color:#D7D4E4;font-size:16px;margin-bottom:12px}
.doc ul{padding-left:22px;margin-bottom:12px}
.doc li{margin-bottom:8px}
.doc strong{color:var(--text)}
.callout{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:12px;padding:16px 18px;margin:20px 0;color:#D7D4E4}
.callout.warn{border-left-color:var(--yellow)}
.contact-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:26px;margin-top:20px}
.contact-card .email{font-size:20px;font-weight:700;color:var(--accent-2)}

/* Лендинг */
.hero{padding:70px 0 50px;text-align:center}
.hero img.icon{width:112px;height:112px;border-radius:26px;box-shadow:0 18px 50px rgba(139,92,246,.35)}
.hero h1{font-size:46px;font-weight:850;letter-spacing:-1px;margin:24px 0 10px}
.hero .tagline{font-size:20px;color:var(--muted);margin-bottom:26px}
.badge{display:inline-block;border:1px solid var(--line);background:var(--card);border-radius:999px;
  padding:9px 20px;color:var(--muted);font-size:14px}
.shots{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;padding:20px 0 10px}
.shots img{width:216px;border-radius:22px;border:1px solid var(--line);box-shadow:0 16px 40px rgba(0,0,0,.5)}
.features{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;padding:40px 0}
.feature{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}
.feature h3{font-size:17px;font-weight:750;margin-bottom:6px}
.feature p{color:#D7D4E4;font-size:15px;line-height:1.6}
.feature .dot{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:9px;vertical-align:middle}
.section-title{font-size:28px;font-weight:800;margin:44px 0 6px;letter-spacing:-.3px}
.section-sub{color:var(--muted);margin-bottom:22px}

footer{border-top:1px solid var(--line);padding:30px 0;color:var(--muted);font-size:14px;margin-top:40px}
footer .wrap{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}
footer a{color:var(--muted)}
footer .links a{margin-right:18px}
@media(max-width:700px){
  .features{grid-template-columns:1fr}
  .hero h1{font-size:34px}
  .doc h1{font-size:30px}
  header nav a:not(:last-child){display:none}
  .shots img{width:150px}
}