:root{
  --brand:#0a7db8;
  --brand2:#0c5f8a;
  --accent:#4fd1c5;
  --bg:#0b1220;
  --bg2:#111a2e;
  --text:#eaf2ff;
  --muted:#b8c4d9;
  --line:rgba(255,255,255,.12);
  --r:14px;
  --max:1200px;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;
  background:linear-gradient(180deg,var(--bg),var(--bg2));
  color:var(--text);
}

a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:auto;padding:0 8px}

header{
  position:sticky;top:0;z-index:10;
  background:rgba(11,18,32,.9);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:14px}

.logo{display:flex;align-items:center;gap:12px}
.logo img{height:120px}
.logo small{display:block;font-size:12px;color:var(--muted)}

nav a{
  padding:8px 10px;
  border-radius:10px;
  font-size:10px;
  color:var(--muted);
}
nav a:hover{background:rgba(255,255,255,.06);color:var(--text)}

.btn{
  background:linear-gradient(135deg,var(--brand),var(--accent));
  padding:10px 14px;
  border-radius:12px;
  font-weight:700;
  color:#002;
}

section{padding:40px 0}
h1{font-size:42px;margin:0 0 12px}
h2{margin:0 0 12px}
p{color:var(--muted)}

.card{
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:20px;
}

.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px}

footer{
  border-top:1px solid var(--line);
  padding:20px 0;
  font-size:13px;
  color:var(--muted);
}

@media(max-width:900px){
  .grid3,.grid2{grid-template-columns:1fr}
  h1{font-size:32px}
}
header .wrap{padding-left:0}