/* Responsive Styles */
@media (max-width: 768px) {
    .container {
        width: 90%;
    }

    .header .container {
        flex-direction: column;
        align-items: center;
    }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        text-align: center;
        background: #003366;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links li {
        margin: 10px 0;
    }

    .menu-toggle {
        display: block;
        cursor: pointer;
        font-size: 24px;
        color: white;
        padding: 10px;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .feature-grid, .pricing-grid {
        flex-direction: column;
    }

    .feature, .plan {
        width: 100%;
    }

    .chat-box {
        width: 100%;
        max-height: 300px;
        overflow-y: auto;
    }
}