* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html, body {
            font-family: 'Montserrat', sans-serif;
            line-height: 1.6;
            color: #333;
        }
        
        h1, h2, h3, h4, h5, h6 {
            font-weight: 600;
            margin-bottom: 1rem;
        }
        
        .btn-primary-custom {
            background-color: #007BFF;
            border: none;
            color: white;
            padding: 12px 30px;
            border-radius: 25px;
            font-weight: 600;
            text-decoration: none;
            display: inline-block;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0, 123, 255, 0.3);
        }
        
        .btn-primary-custom:hover {
            background-color: #0056b3;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 123, 255, 0.4);
            color: white;
        }
        
        .main-nav {
            background-color: #fff;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .main-nav .navbar-brand {
            font-weight: 700;
            color: #007BFF;
            font-size: 1.5rem;
        }
        
        .main-nav .nav-link {
            color: #333;
            font-weight: 500;
            padding: 0.75rem 1rem;
            transition: color 0.3s ease;
        }
        
        .main-nav .nav-link:hover {
            color: #007BFF;
        }
        
        section {
            padding: 60px 0;
        }
        
        .text-muted-custom {
            color: #6c757d !important;
        }