:root{
  --bg:#0b0c10;
  --card:#12141b;
  --text:#f5f7ff;
  --muted:#b7bdd3;
  --line:#23283a;
  --btn:#2f6bff;
  --btn2:#2a2f45;
  --btnText:#ffffff;
}

@media (prefers-color-scheme: light){
  :root{
    --bg:#f6f7fb;
    --card:#ffffff;
    --text:#111827;
    --muted:#4b5563;
    --line:#e5e7eb;
    --btn:#2f6bff;
    --btn2:#eef2ff;
    --btnText:#ffffff;
  }
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
}

a{color:inherit}
.container{
  max-width:980px;
  margin:0 auto;
  padding:28px 18px 56px;
}

.header{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:22px;
}

.brand{
  display:flex;
  flex-direction:column;
  gap:4px;
}
.brand h1{
  font-size:22px;
  margin:0;
  letter-spacing:0.2px;
}
.brand p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}

.nav{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.nav a{
  text-decoration:none;
  padding:8px 10px;
  border:1px solid var(--line);
  border-radius:10px;
  background:transparent;
  color:var(--text);
  font-size:14px;
}

.hero{
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(47,107,255,.18), rgba(47,107,255,0)) , var(--card);
  border-radius:16px;
  padding:22px;
  margin-bottom:18px;
}

.hero h2{
  margin:0 0 6px;
  font-size:26px;
}
.hero p{
  margin:0 0 16px;
  color:var(--muted);
}

.actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

.button{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  border-radius:12px;
  padding:12px 14px;
  border:1px solid transparent;
  text-decoration:none;
  font-weight:600;
  font-size:14px;
  min-width:180px;
}
.primary{background:var(--btn); color:var(--btnText);}
.secondary{background:var(--btn2); color:var(--text); border-color:var(--line);}

.grid{
  display:grid;
  grid-template-columns:repeat(12, 1fr);
  gap:14px;
  margin-top:14px;
}
.card{
  grid-column:span 12;
  border:1px solid var(--line);
  background:var(--card);
  border-radius:16px;
  padding:18px;
}
@media (min-width:780px){
  .card.half{grid-column:span 6;}
}

.card h3{margin:0 0 8px; font-size:16px;}
.card p{margin:0; color:var(--muted); font-size:14px;}

.content{
  border:1px solid var(--line);
  background:var(--card);
  border-radius:16px;
  padding:22px;
}
.content h2{margin:0 0 10px; font-size:22px;}
.content h3{margin:18px 0 8px; font-size:16px;}
.content p, .content li{color:var(--muted);}
.content ul{margin:8px 0 0 18px;}

.footer{
  margin-top:22px;
  color:var(--muted);
  font-size:13px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  border-top:1px solid var(--line);
  padding-top:14px;
}
.small-links{display:flex; gap:12px; flex-wrap:wrap;}
.small-links a{text-decoration:none; border-bottom:1px dotted var(--line);}