:root {
    --primary: #6366f1;
    --dark: #1e293b;
    --light: #f8fafc;
    --text-muted: #64748b;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Inter', sans-serif; background: #fff; color: var(--dark); line-height: 1.6; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 20px; }

/* Navbar */
.navbar { height: 70px; border-bottom: 1px solid #e2e8f0; display: flex; align-items: center; }
.nav-flex { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.logo { font-weight: 800; font-size: 1.2rem; }
.logo span { color: var(--primary); }
.nav-links { display: flex; list-style: none; gap: 20px; }
.nav-links a { text-decoration: none; color: var(--dark); font-weight: 600; font-size: 0.9rem; }
.btn-acc { background: var(--dark); color: #fff !important; padding: 6px 15px; border-radius: 6px; }

/* Header */
.blog-header { padding: 60px 0; background: var(--light); text-align: center; margin-bottom: 40px; }
.blog-header h1 { font-size: 2.5rem; margin-bottom: 10px; }
.blog-header p { color: var(--text-muted); font-size: 1.1rem; }

/* Layout Grid */
.blog-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; }

/* Article Card */
.post-card { margin-bottom: 40px; padding-bottom: 40px; border-bottom: 1px solid #f1f5f9; }
.category { font-size: 0.75rem; font-weight: 800; color: var(--primary); letter-spacing: 1px; }
.post-card h2 { margin: 10px 0; font-size: 1.8rem; line-height: 1.3; cursor: pointer; }
.post-card h2:hover { color: var(--primary); }
.post-card p { color: var(--text-muted); margin-bottom: 20px; }
.meta { display: flex; justify-content: space-between; align-items: center; }
.date { font-size: 0.85rem; color: #94a3b8; }
.read-more { text-decoration: none; color: var(--dark); font-weight: 700; font-size: 0.9rem; }

/* Sidebar */
.sidebar-box { background: var(--light); padding: 25px; border-radius: 12px; margin-bottom: 20px; }
.sidebar-box h3 { margin-bottom: 15px; font-size: 1.1rem; }
.sidebar-box ul { list-style: none; }
.sidebar-box ul li { margin-bottom: 10px; }
.sidebar-box ul li a { text-decoration: none; color: var(--text-muted); transition: 0.3s; }
.sidebar-box ul li a:hover { color: var(--primary); padding-left: 5px; }

/* Responsive */
@media (max-width: 768px) {
    .blog-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .blog-header h1 { font-size: 2rem; }
}