@media (max-width: 1200px) {
    .main-content {
        grid-template-columns: 1fr 1fr 1fr;
    }
}
@media (max-width: 900px) {
    .main-content {
        grid-template-columns: 1fr 1fr;
    }
}
@media (max-width: 768px) {
    header .header-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    header .cart {
        text-align: center;
    }
    header .cart-link {
        font-size: 20px;
    }
}
@media (max-width: 576px) {
    .main-content {
        grid-template-columns: 1fr;
    }
}
@media (max-widtH: 420px) {
    header .header-title h1 {
        font-size: 30px;
    }
}