body { font-family: 'Poppins', sans-serif; background-color: #f8f9fc; }
    .navbar { background-color: #004aad; }
    .navbar-brand, .nav-link { color: white !important; }
    .hero { background: linear-gradient(135deg, #004aad, #007bff); color: white; text-align: center; padding: 100px 20px; }
    section { padding: 60px 20px; }
    h2.section-title { text-align: center; color: #004aad; margin-bottom: 40px; font-weight: 600; }
    .card { border: none; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.1); transition: transform 0.3s; }
    .card:hover { transform: translateY(-5px); }
    .btn-primary { background-color: #004aad; border: none; }
    footer { background-color: #004aad; color: white; text-align: center; padding: 20px 0; }
    .whatsapp-btn { position: fixed; bottom: 20px; right: 20px; background: #25D366; color: white; border-radius: 50%; width: 60px; height: 60px; display: flex; justify-content: center; align-items: center; font-size: 28px; text-decoration: none; box-shadow: 0 4px 10px rgba(0,0,0,0.2); }