@media (max-width: 900px) {
    .card-grid,
    .expertise-grid,
    .national-inner,
    .services-list,
    .about-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 30px;
    }

    .hero {
        padding: 70px 0;
    }

    .hero-inner {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 46px;
    }

    .hero-slogan {
        font-size: 20px;
    }

    .hero-actions {
        flex-direction: column;
    }

    .header-inner {
        height: auto;
        padding: 18px 0;
        flex-direction: column;
        gap: 18px;
    }

    .main-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 14px;
    }

    .footer-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .contact-band-inner {
        flex-direction: column;
        text-align: center;
    }

    .national-section h2 {
        font-size: 34px;
    }

    .page-hero h1 {
        font-size: 40px;
    }
}