:root{
  --primary:#1352F0;
  --dark:#0f172a;
  --text:#334155;
  --light:#f8fafc;
  --border:#e5e7eb;
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  font-family:'Inter', sans-serif;
}

body{
  background:#fff;
  color:var(--text);
  line-height:1.8;
}

header{
  background:#fff;
  border-bottom:1px solid var(--border);
  padding:18px 24px;
  position:sticky;
  top:0;
  z-index:10;
}

nav{
  max-width:1100px;
  margin:auto;
  display:flex;
  justify-content:space-between;
  align-items:center;
}

nav a{
  text-decoration:none;
  margin-left:20px;
  color:var(--dark);
  font-weight:500;
}

.container{
  max-width:900px;
  margin:60px auto;
  padding:0 20px;
}

h1{
  font-size:42px;
  color:var(--dark);
  margin-bottom:24px;
}

h2{
  font-size:28px;
  color:var(--dark);
  margin:48px 0 16px;
}

h3{
  font-size:22px;
  color:var(--primary);
  margin:28px 0 12px;
}

p{
  margin-bottom:18px;
  font-size:17px;
}

ul{
  margin:16px 0 24px 20px;
}
li{
  margin-bottom:10px;
}

.article-card{
  border:1px solid var(--border);
  border-radius:12px;
  padding:28px;
  margin-bottom:24px;
}

.article-card a{
  text-decoration:none;
  color:var(--primary);
  font-weight:600;
}

.cta{
  background:linear-gradient(135deg,var(--primary),#1e40ff);
  color:white;
  padding:40px;
  border-radius:12px;
  text-align:center;
  margin:60px 0;
}

.cta a{
  background:white;
  color:var(--primary);
  padding:14px 32px;
  text-decoration:none;
  border-radius:8px;
  font-weight:600;
  display:inline-block;
  margin-top:20px;
}

footer{
  background:#020617;
  color:#cbd5f5;
  padding:40px 20px;
  text-align:center;
  font-size:14px;
}