/* Reset & Base */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; color: #333; background: #f9f9f9; }
a { text-decoration: none; color: inherit; transition: 0.3s; }
img { max-width: 100%; display: block; }

/* Layout */
.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }
header { background: #0f172a; color: #fff; padding: 20px 0; border-bottom: 4px solid #3b82f6; }
.nav-brand { font-size: 1.5rem; font-weight: 700; letter-spacing: -0.5px; }
.nav-brand span { color: #3b82f6; }

/* Hero Section */
.hero { background: #fff; padding: 40px 0; text-align: center; border-bottom: 1px solid #eee; margin-bottom: 30px; }
.hero h1 { font-size: 2.5rem; color: #1e293b; margin-bottom: 10px; }
.hero p { color: #64748b; font-size: 1.1rem; }

/* Grid System */
.news-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin-bottom: 50px; }

/* Cards */
.card { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 4px 6px rgba(0,0,0,0.05); transition: transform 0.2s; }
.card:hover { transform: translateY(-5px); box-shadow: 0 10px 15px rgba(0,0,0,0.1); }
.card-img { height: 200px; object-fit: cover; width: 100%; }
.card-body { padding: 20px; }
.card-tag { display: inline-block; background: #e0f2fe; color: #0284c7; padding: 4px 10px; border-radius: 50px; font-size: 0.75rem; font-weight: 600; margin-bottom: 10px; }
.card-title { font-size: 1.25rem; margin-bottom: 10px; color: #0f172a; font-weight: 700; }
.card-excerpt { color: #64748b; font-size: 0.95rem; margin-bottom: 15px; }
.read-more { color: #3b82f6; font-weight: 600; font-size: 0.9rem; }

/* Article Page */
.article-container { max-width: 800px; margin: 40px auto; background: #fff; padding: 40px; border-radius: 8px; box-shadow: 0 4px 6px rgba(0,0,0,0.05); }
.article-header { margin-bottom: 30px; text-align: center; }
.article-meta { color: #94a3b8; font-size: 0.9rem; margin-top: 10px; }
.article-img { width: 100%; height: 400px; object-fit: cover; border-radius: 8px; margin-bottom: 30px; }
.article-content { font-size: 1.1rem; line-height: 1.8; color: #334155; }
.article-content h3 { margin-top: 30px; margin-bottom: 15px; color: #0f172a; }
.back-btn { display: inline-block; margin-bottom: 20px; color: #64748b; font-weight: 500; }
.back-btn:hover { color: #3b82f6; }

/* Footer */
footer { background: #0f172a; color: #94a3b8; padding: 40px 0; text-align: center; margin-top: auto; }