* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #1a1a2e; line-height: 1.6; }
a { color: #2563eb; text-decoration: none; }
a:hover { text-decoration: underline; }

header { background: #fff; border-bottom: 1px solid #e5e7eb; padding: 0 24px; }
nav { max-width: 1100px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo a { font-size: 22px; font-weight: 700; color: #1a1a2e; letter-spacing: -0.5px; }
nav ul { list-style: none; display: flex; gap: 28px; }
nav ul li a { font-size: 15px; color: #444; font-weight: 500; }

.hero { background: linear-gradient(135deg, #1a1a2e 0%, #2563eb 100%); color: white; padding: 80px 24px; text-align: center; }
.hero h1 { font-size: 48px; font-weight: 800; margin-bottom: 16px; letter-spacing: -1px; }
.hero p { font-size: 20px; opacity: 0.85; max-width: 600px; margin: 0 auto; }

.featured-posts { max-width: 1100px; margin: 60px auto; padding: 0 24px; display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; }

footer { background: #f9fafb; border-top: 1px solid #e5e7eb; padding: 32px 24px; text-align: center; font-size: 14px; color: #888; }
footer a { color: #888; }

article.post-card { border: 1px solid #e5e7eb; border-radius: 12px; padding: 24px; background: #fff; transition: box-shadow 0.2s; }
article.post-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
article.post-card h2 { font-size: 18px; margin-bottom: 8px; }
article.post-card p { font-size: 14px; color: #666; }

@media (max-width: 600px) { .hero h1 { font-size: 32px; } nav ul { display: none; } }