:root {
            --bs-primary: #0d6efd;
        }
        
        body {
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            color: #333;
        }
        
        .navbar {
            transition: box-shadow 0.2s ease;
        }
        
        .hero {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            padding: 4rem 0;
        }
        
        .section-title {
            font-weight: 600;
            color: #212529;
            margin-bottom: 1.5rem;
        }
        
        .principle-card {
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            border: 1px solid #dee2e6;
        }
        
        .principle-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        }
        
        .icon-circle {
            width: 56px;
            height: 56px;
            background-color: #f0f7ff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
        }
        
        .icon-circle i {
            font-size: 1.75rem;
            color: #0d6efd;
        }
        
        .checklist-item {
            padding: 0.75rem 0;
            border-bottom: 1px solid #f1f3f5;
        }
        
        .checklist-item:last-child {
            border-bottom: none;
        }
        
        .simple-footer {
            background-color: #f8f9fa;
            border-top: 1px solid #dee2e6;
        }
        
        .nav-link {
            font-weight: 500;
            color: #495057;
        }
        
        .nav-link:hover {
            color: #0d6efd;
        }
        
        .lead-text {
            font-size: 1.1rem;
            color: #495057;
        }
        
        .navbar-brand img {
            border-radius: 8px;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }