:root{
  --bg:#0d0e10; --fg:#f4f5f7; --muted:#b8bcc6;
  --accent:#6ee7b7; --accent2:#a78bfa;
  --card:#14161a; --line:#22252b;
}
*{box-sizing:border-box} html,body{margin:0}
body{font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Noto Sans",Arial,sans-serif;color:var(--fg);background:#0c0d10}
.container{max-width:1000px;margin:0 auto;padding:0 18px}
.center{text-align:center}

.site-header{position:sticky;top:0;z-index:10;background:rgba(10,12,15,.7);backdrop-filter:saturate(140%) blur(6px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px}
.brand{color:var(--fg);text-decoration:none;font-weight:700;font-size:18px}
.site-nav{display:flex;gap:14px;align-items:center}
.site-nav a{color:var(--muted);text-decoration:none;padding:8px 10px;border-radius:10px}
.site-nav a:hover{color:var(--fg);background:var(--line)}
.site-nav a.active{color:var(--fg);background:var(--card)}
.cta-mini{background:var(--accent2);color:#090a0d!important}
.menu-toggle{display:none;background:none;border:1px solid var(--line);color:var(--fg);padding:6px 10px;border-radius:10px}

.hero{padding:72px 0 48px;background:
  radial-gradient(700px 260px at 20% -10%, rgba(167,139,250,.18), transparent 60%),
  radial-gradient(700px 260px at 80% 0%, rgba(110,231,183,.12), transparent 60%);
  border-bottom:1px solid var(--line)}
.hero-inner{max-width:820px}
h1{font-size:clamp(28px,4.5vw,48px);line-height:1.1;margin:0 0 14px}
.lead{color:var(--muted);font-size:clamp(16px,2.3vw,20px);margin:0 0 18px}
.underline{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}

.blocks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:28px 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.card h2{margin:0 0 8px}

.cta,.cta.big,.cta.ghost{display:inline-block;text-decoration:none;font-weight:700;padding:14px 18px;border-radius:12px;margin-top:10px}
.cta{background:var(--accent);color:#091015}
.cta.big{padding:16px 22px}
.cta.ghost{background:transparent;border:1px solid var(--accent);color:var(--fg)}
.link-arrow{color:var(--fg);text-decoration:none}
.link-arrow:hover{text-decoration:underline}

.cta-wide{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:36px 0;background:linear-gradient(180deg,#0c0d10,#0b0c0f)}

.article{padding:30px 0 50px}
.article .lead{color:var(--muted)}
.bullet{margin-top:6px}
.bullet li{margin-bottom:8px}

.site-footer{border-top:1px solid var(--line);padding:20px 0;background:#0b0c0f}
.foot{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.footer-nav a{color:var(--muted);text-decoration:none;margin-right:12px}
.footer-nav a:hover{color:var(--fg)}

@media (max-width:880px){
  .blocks{grid-template-columns:1fr}
  .site-nav{display:none;flex-direction:column;align-items:flex-start;gap:6px;padding:10px}
  .site-nav.open{display:flex}
  .menu-toggle{display:inline-block}
}