body{font-family:Arial,sans-serif;max-width:1200px;margin:auto;padding:20px;line-height:1.7}
header{display:flex;justify-content:space-between;align-items:center}
.hero{text-align:center;padding:40px 0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px}
.blog-card{border:1px solid #ddd;padding:20px;border-radius:10px}
a{text-decoration:none}