:root{
  --bg:#111;
  --fg:#fff;
  --muted:#a0a0a0;
  --active:#76c7ff;

  --page:#f6f7f9;
  --card:#ffffff;
  --ink:#222;
  --sub:#555;

  --border:#e6e8eb;
  --shadow:0 2px 6px rgba(0,0,0,.04);
  --radius:14px;
}

*{box-sizing:border-box}

main{
  flex: 1 0 auto;
}

body{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:var(--page);
  color:var(--ink);
}

footer{
  margin-top:auto;
  padding:18px 16px 28px;
  color:var(--muted);
  font-size:14px;
  text-align:center;
}



.site-header{
  position:sticky;
  top:0;
  z-index:999;
  background:var(--bg);
  border-bottom:1px solid #202020;
}
.wrap{
  max-width:1040px;
  margin:auto;
  padding:12px 16px;
  display:flex;
  gap:20px;
  align-items:center;
}
.brand{
  color:var(--fg);
  font-weight:700;
  text-decoration:none;
  font-size:18px;
  letter-spacing:.2px;
  white-space:nowrap;
}
nav{
  margin-left:auto;
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  align-items:center;
}
nav a{
  color:var(--muted);
  text-decoration:none;
  padding:6px 10px;
  border-radius:10px;
  line-height:1.2;
}
nav a:hover, nav a:focus-visible{
  color:var(--fg);
  background:#1c1c1c;
  outline:none;
}
nav a.active{
  color:var(--active);
  background:#1c1c1c;
}

/* Home hero */
.hero{
  max-width:1040px;
  margin:28px auto 8px;
  padding:0 16px;
}
.hero h1{margin:0 0 8px;font-size:32px;letter-spacing:-.2px}
.hero p{margin:0;color:var(--sub);max-width:72ch;line-height:1.55}
.cta{margin-top:14px;display:flex;gap:10px;flex-wrap:wrap}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-decoration:none;
  padding:9px 12px;
  border-radius:10px;
  font-weight:700;
  font-size:14px;
  border:1px solid var(--border);
  background:#fff;
  color:var(--ink);
}
.btn.primary{
  background:#111;
  color:#fff;
  border-color:#111;
}
.btn:hover,.btn:focus-visible{filter:brightness(.98);outline:none}

/* Sections */
.section{
  max-width:1040px;
  margin:28px auto;
  padding:0 16px;
}
.section h2{margin:0 0 10px}
.muted{color:var(--sub);margin-top:0;line-height:1.55;max-width:82ch}

/* Cards */
.grid{
  max-width:1040px;
  margin:24px auto;
  padding:0 16px;
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(260px,1fr));
  gap:16px;
}
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:var(--shadow);
}
.cardhead{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:10px;
  margin-bottom:6px;
}