*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:#04040f;
  color:#e8eeff;
  line-height:1.6;
  position:relative;
  min-height:100vh;
}
.wrap{max-width:980px;margin:0 auto;padding:32px 20px 72px;position:relative;z-index:2}
.bg-canvas{
  position:fixed;
  inset:0;
  width:100%;
  height:100%;
  pointer-events:none;
  z-index:0;
}
.topnav{
  display:flex;
  gap:24px;
  flex-wrap:wrap;
  margin-bottom:24px;
  align-items:center;
}
.lang-switcher{
  display:flex;align-items:center;gap:2px;
  background:rgba(255,255,255,0.04);
  border:1px solid rgba(255,255,255,0.08);
  border-radius:40px;padding:2px;
  margin-left:auto;
}
.lang-btn{
  padding:4px 12px;border-radius:40px;border:none;cursor:pointer;
  font-size:11px;letter-spacing:1.5px;font-weight:500;text-transform:uppercase;
  background:transparent;color:rgba(255,255,255,0.35);transition:all 0.2s;
  line-height:1;
}
.lang-btn.active{background:rgba(100,160,255,0.15);color:rgba(100,160,255,0.9);}
.lang-btn:hover:not(.active){color:rgba(255,255,255,0.7);}
.chip{
  display:inline-block;
  padding:0;
  border-radius:0;
  text-decoration:none;
  color:rgba(255,255,255,0.35);
  background:transparent;
  border:none;
  font-size:12px;
  letter-spacing:1.5px;
  text-transform:uppercase;
  transition:color .25s;
}
.chip:hover{color:rgba(255,255,255,0.85)}
h1{
  margin:0 0 12px;font-size:clamp(30px,5vw,54px);line-height:1.08;
  letter-spacing:-1.2px;color:#fff;
}
h2{margin:30px 0 10px;color:#cfe2ff}
.lead{font-size:18px;color:rgba(230,238,255,.78);max-width:800px}
.card{
  background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.1);
  border-radius:16px;padding:20px;margin-top:14px;
}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.muted{color:rgba(230,238,255,.6)}
ul{margin:8px 0 0 18px}
.cta{
  margin-top:24px;display:inline-block;text-decoration:none;padding:12px 18px;border-radius:12px;
  background:linear-gradient(135deg,#3a6fff,#6b35ff);color:#fff;border:1px solid rgba(255,255,255,.15);
}
[data-lang]{transition:opacity 0.3s}
body.lang-en [data-lang="ru"],
body.lang-ru [data-lang="en"]{display:none}

@media(max-width:768px){
  .topnav{gap:12px}
  .lang-switcher{margin-left:0}
}