:root{
  --bg:#070a12;
  --panel:#0b1020;
  --line:rgba(255,255,255,.08);
  --txt:rgba(255,255,255,.92);
  --muted:rgba(255,255,255,.66);
  --acc:#79a6ff;
  --acc2:#6ee7b7;
  --shadow: 0 10px 35px rgba(0,0,0,.45);
  --radius: 18px;
  --max: 1080px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: radial-gradient(1200px 700px at 25% 0%, rgba(121,166,255,.12), transparent 60%),
              radial-gradient(900px 600px at 80% 20%, rgba(110,231,183,.10), transparent 55%),
              var(--bg);
  color:var(--txt);
}

a{color:var(--acc); text-decoration:none}
a:hover{text-decoration:underline}

.wrap{max-width:var(--max); margin:0 auto; padding:32px 18px 64px}
.top{
  position:sticky; top:0; z-index:10;
  backdrop-filter: blur(10px);
  background: rgba(7,10,18,.65);
  border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 18px;
}
.brand{display:flex; gap:12px; align-items:center}
.dot{
  width:10px;height:10px;border-radius:999px;
  background: linear-gradient(135deg, var(--acc), var(--acc2));
  box-shadow: 0 0 0 6px rgba(121,166,255,.10);
}
.brand-title{font-weight:700; letter-spacing:.2px}
.brand-subtitle{font-size:12px; color:var(--muted); margin-top:2px}

.nav{display:flex; gap:16px; flex-wrap:wrap}
.nav a{color:var(--muted); font-size:14px}
.nav a:hover{color:var(--txt); text-decoration:none}

.hero{
  padding:28px 0 10px;
}
h1{font-size:44px; line-height:1.05; margin:0 0 12px}
.lead{font-size:16px; color:var(--muted); max-width:860px; margin:0 0 18px}

.section{margin-top:36px}
.section h2{font-size:22px; margin:0 0 14px}
.cards{
  display:grid; gap:14px;
  grid-template-columns: repeat(2, minmax(0,1fr));
}
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.015));
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:16px 16px 14px;
  box-shadow: var(--shadow);
}
.card h2{font-size:16px; margin:0 0 10px}
.card ul{margin:0; padding-left:18px; color:var(--muted)}
.card li{margin:6px 0}

.grid2{
  display:grid; gap:14px;
  grid-template-columns: repeat(2, minmax(0,1fr));
}
.panel{
  background: var(--panel);
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding:16px;
  box-shadow: var(--shadow);
}
.panel h3{margin:0 0 10px; font-size:18px}
.panel p{margin:0 0 14px; color:var(--muted)}
.btn{
  display:inline-block;
  padding:10px 12px;
  border-radius: 12px;
  border:1px solid rgba(121,166,255,.25);
  background: rgba(121,166,255,.10);
  color:var(--txt);
}
.btn:hover{
  text-decoration:none;
  background: rgba(121,166,255,.16);
}

.bullets{margin:0; padding-left:18px; color:var(--muted)}
.bullets li{margin:8px 0}

.note{
  border:1px dashed rgba(255,255,255,.18);
  border-radius: 14px;
  padding:12px 12px;
  color: var(--muted);
  background: rgba(255,255,255,.03);
}

.footerline{margin-top:14px; color:var(--muted)}

.foot{
  border-top:1px solid var(--line);
  padding:18px;
  display:flex;
  gap:10px;
  justify-content:space-between;
  flex-wrap:wrap;
  color:var(--muted);
}

.muted{color:var(--muted)}

@media (max-width: 860px){
  h1{font-size:34px}
  .cards,.grid2{grid-template-columns:1fr}
}