:root{
  --bg:#0b1020;
  --panel:#111a33;
  --text:#e8ecff;
  --muted:#a9b2d6;
  --line:rgba(255,255,255,.12);
  --accent:#8ab4ff;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 18px;
  --max: 980px;
}

@media (prefers-color-scheme: light){
  :root{
    --bg:#f7f8ff;
    --panel:#ffffff;
    --text:#0c1024;
    --muted:#4a5274;
    --line:rgba(12,16,36,.12);
    --accent:#1d4ed8;
    --shadow: 0 10px 26px rgba(12,16,36,.12);
  }
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  background: radial-gradient(1200px 800px at 20% -10%, rgba(138,180,255,.18), transparent 55%),
              radial-gradient(900px 600px at 90% 0%, rgba(255,255,255,.08), transparent 60%),
              var(--bg);
  color:var(--text);
  line-height:1.55;
}

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

.container{
  max-width:var(--max);
  margin:0 auto;
  padding:28px 18px 56px;
}

.nav{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:10px 0 22px;
}

.brand{
  display:flex; align-items:center; gap:10px;
  font-weight:700;
  letter-spacing:.2px;
}
.dot{
  width:10px; height:10px; border-radius:999px;
  background:var(--accent);
  box-shadow: 0 0 0 6px rgba(138,180,255,.18);
}

.navlinks{ display:flex; gap:14px; flex-wrap:wrap; }
.navlinks a{ color:var(--muted); }
.navlinks a:hover{ color:var(--text); text-decoration:none; }

.hero{
  background: linear-gradient(180deg, rgba(255,255,255,.08), transparent 40%),
              var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:26px;
}

.kicker{ color:var(--muted); font-weight:600; }
h1{
  margin:10px 0 8px;
  font-size: clamp(28px, 4vw, 44px);
  line-height:1.12;
  letter-spacing:-.5px;
}
.subtitle{ color:var(--muted); font-size: 16px; max-width: 70ch; }

.actions{ display:flex; flex-wrap:wrap; gap:10px; margin-top:18px; }
.btn{
  display:inline-flex; align-items:center; gap:8px;
  padding:10px 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-weight:600;
}
.btn:hover{ background: rgba(255,255,255,.10); text-decoration:none; }
.btn.primary{ background: rgba(138,180,255,.18); border-color: rgba(138,180,255,.35); }

.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap:14px;
  margin-top:14px;
}
.card{
  grid-column: span 4;
  background: var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:16px;
}
.card h3{ margin:0 0 8px; font-size:16px; }
.card p{ margin:0; color:var(--muted); }

@media (max-width: 900px){
  .card{ grid-column: span 6; }
}
@media (max-width: 640px){
  .card{ grid-column: span 12; }
  .hero{ padding:18px; }
}

.section{
  margin-top:22px;
  background: var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
}
.section h2{ margin:0 0 10px; font-size:18px; }
.list{ margin:0; padding-left:18px; color:var(--muted); }
.item{
  display:flex; justify-content:space-between; gap:12px;
  padding:10px 0;
  border-top:1px solid var(--line);
}
.item:first-of-type{ border-top:none; padding-top:0; }
.item strong{ color:var(--text); }
.item span{ color:var(--muted); white-space:nowrap; }

.footer{
  margin-top:18px;
  color:var(--muted);
  font-size:13px;
  text-align:center;
}