:root{
  --bg:#0b0f17;
  --bg-alt:#111827;
  --card:#161d2b;
  --text:#e9edf5;
  --text-muted:#9aa5b8;
  --border:#232c3d;
  --accent:#4f7cff;
  --accent-2:#7c5cff;
  --radius:14px;
  --maxw:1080px;
}

@media (prefers-color-scheme: light){
  :root{
    --bg:#f7f8fb;
    --bg-alt:#ffffff;
    --card:#ffffff;
    --text:#1a2233;
    --text-muted:#5b6478;
    --border:#e4e7ee;
  }
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

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

.container{
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 24px;
}

header.site{
  border-bottom:1px solid var(--border);
  background:var(--bg-alt);
  position:sticky;
  top:0;
  z-index:10;
}
header.site .container{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top:18px;
  padding-bottom:18px;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:700;
  font-size:1.15rem;
  color:var(--text);
}
.brand .dot{
  width:10px;height:10px;border-radius:50%;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
}
nav.main a{
  color:var(--text-muted);
  margin-left:24px;
  font-weight:500;
  font-size:0.95rem;
}
nav.main a:hover{color:var(--text);text-decoration:none;}

.hero{
  padding:88px 0 64px;
  text-align:center;
}
.hero h1{
  font-size:2.6rem;
  margin:0 0 18px;
  letter-spacing:-0.02em;
}
.hero p.lead{
  color:var(--text-muted);
  font-size:1.15rem;
  max-width:640px;
  margin:0 auto 32px;
}
.cta-row{
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}
.btn{
  display:inline-block;
  padding:13px 26px;
  border-radius:999px;
  font-weight:600;
  font-size:0.98rem;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  color:#fff;
}
.btn-primary:hover{opacity:0.92;text-decoration:none;}
.btn-ghost{
  border:1px solid var(--border);
  color:var(--text);
}
.btn-ghost:hover{background:var(--card);text-decoration:none;}

section{padding:56px 0;}
section.alt{background:var(--bg-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}

h2{font-size:1.7rem;margin-bottom:8px;letter-spacing:-0.01em;}
.section-sub{color:var(--text-muted);margin-bottom:36px;max-width:600px;}

.grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr));
  gap:20px;
}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px;
}
.card h3{margin:0 0 10px;font-size:1.08rem;}
.card p{margin:0;color:var(--text-muted);font-size:0.95rem;}
.card .icon{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  margin-bottom:14px;
}

footer.site{
  border-top:1px solid var(--border);
  padding:36px 0;
  color:var(--text-muted);
  font-size:0.9rem;
}
footer.site .container{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  align-items:center;
  justify-content:space-between;
}
footer.site nav a{margin-right:18px;color:var(--text-muted);}
footer.site nav a:hover{color:var(--text);}

/* Legal pages */
.legal{
  padding:56px 0 80px;
}
.legal .updated{
  color:var(--text-muted);
  font-size:0.9rem;
  margin-bottom:36px;
}
.legal h1{font-size:2rem;margin-bottom:8px;letter-spacing:-0.02em;}
.legal h2{
  font-size:1.25rem;
  margin-top:38px;
  margin-bottom:10px;
  border-top:1px solid var(--border);
  padding-top:28px;
}
.legal h2:first-of-type{border-top:none;padding-top:0;margin-top:24px;}
.legal p, .legal li{color:var(--text-muted);font-size:0.98rem;}
.legal ul{padding-left:20px;}
.legal strong{color:var(--text);}
.note-box{
  background:var(--card);
  border:1px solid var(--border);
  border-left:3px solid var(--accent);
  border-radius:10px;
  padding:16px 20px;
  font-size:0.9rem;
  color:var(--text-muted);
  margin-bottom:8px;
}

@media (max-width:640px){
  .hero h1{font-size:2rem;}
  nav.main a{margin-left:14px;font-size:0.88rem;}
}