:root { --
primary-color: #2563eb; --text-color: #1f2937;
 --bg-color: #ffffff; }
        body { font-family: -apple-system, BlinkMacSystemFont,
 "Segoe UI", Roboto, sans-serif; color: var(--text-color); line-height: 1.6;
 margin: 0; padding: 0; background: #f8fafc; }
        .container { max
-width: 1200px; margin: 0 auto; padding: 0 20px
; }
        header { background: white; padding: 15px 0; border-bottom: 1px
 solid #e5e7eb; position: sticky; top: 0; z-index: 10
0; }
        .nav-wrapper { display: flex; justify-content: space-between; align-items: center; }

        .nav-links { display: flex; gap: 0; }
        .nav-links a { margin:
 0 15px; text-decoration: none; color: #374151; font-weight
: 500; }
        .hero { padding: 80px 0; text-align: center; background
: linear-gradient(135deg, #eff6ff, #fdf2f8); }
        .btn
 { display: inline-block; padding: 12px 30px; background: var(--primary-
color); color: white; border-radius: 8px; text-decoration: none; font-weight: bold
; transition: opacity 0.3s; }
        .btn:hover { opacity: 0.9; }
        
.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(3
00px, 1fr)); gap: 20px; margin-top: 40px;
 }
        .card { background: white; padding: 25px; border-radius: 12px; border
: 1px solid #e5e7eb; }
        footer { background: #1118
27; color: #9ca3af; padding: 40px 0; text-align:
 center; }