:root {
  --primary: #0056b3;
  --primary-dark: #003d82;
  --secondary: #6c757d;
  --bg-body: #f8f9fa;
  --bg-card: #ffffff;
  --text-primary: #212529;
  --text-secondary: #495057;
  --border: #dee2e6;
  --shadow: 0 2px 4px rgba(0,0,0,0.05);
  --font-heading: 'Georgia', serif;
  --font-body: 'Arial', sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--font-body); background: var(--bg-body); color: var(--text-primary); line-height: 1.6; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

header { background: #fff; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); position: sticky; top: 0; z-index: 100; }
.header-container { max-width: 1200px; margin: 0 auto; padding: 1rem 2rem; display: flex; justify-content: space-between; align-items: center; }
.logo { font-family: var(--font-heading); font-size: 1.5rem; color: var(--primary); font-weight: bold; }
nav ul { display: flex; gap: 2rem; list-style: none; }
nav a { color: var(--text-secondary); font-weight: 500; }
nav a:hover { color: var(--primary); }

main { max-width: 1200px; margin: 0 auto; padding: 2rem; }
.hero { text-align: center; padding: 4rem 2rem; background: white; border-bottom: 1px solid var(--border); margin-bottom: 3rem; }
.hero h1 { font-family: var(--font-heading); color: var(--primary-dark); font-size: 2.5rem; margin-bottom: 1rem; }

.articles-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(350px, 1fr)); gap: 2rem; }
.article-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 4px; overflow: hidden; transition: transform 0.2s; }
.article-card:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
.article-card img { width: 100%; height: 220px; object-fit: cover; }
.article-card-content { padding: 1.5rem; }
.article-card h3 { font-family: var(--font-heading); margin-bottom: 0.5rem; font-size: 1.3rem; }
.read-more { display: inline-block; margin-top: 1rem; font-weight: bold; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 1px; }

footer { background: #343a40; color: #fff; padding: 3rem 0; text-align: center; margin-top: 4rem; }
.footer-links a { color: #adb5bd; margin: 0 1rem; }
.footer-links a:hover { color: #fff; }

@media(max-width: 768px) { .articles-grid { grid-template-columns: 1fr; } nav { display: none; } .mobile-menu-btn { display: block; } }