@media(max-width:991px) {
    .hero-grid,
    .services-grid,
    .features-grid,
    .testimonials-grid,
    .footer-grid {
        grid-template-columns: 1fr;
    }

    .hero {
        padding: 100px 0 50px;
        min-height: auto;
    }

    .glass-showcase {
        height: 380px;
    }

    .card-a {
        width: 220px;
        height: 300px;
    }

    .card-b {
        width: 180px;
        height: 220px;
    }

    .card-c {
        width: 120px;
        height: 120px;
    }
}

@media(max-width:991px) {

    .menu-toggle {
        display: block;
    }

    .nav {
        position: fixed;

        top: 80px;
        left: 0;

        width: 100%;

        background: white;

        flex-direction: column;

        gap: 24px;

        padding: 30px;

        box-shadow: 0 15px 40px rgba(0, 0, 0, .08);

        transform: translateY(-120%);
        opacity: 0;

        transition: .35s ease;
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
    }

    .header-cta {
        width: 100%;
        text-align: center;
    }
}