@media (max-width: 992px) {
    .showcase-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .difi-content, .dex-content {
        flex-direction: column;
    }

    .difi-content img, .dex-content img {
        width: 100%;
        height: auto;
    }
}

@media (max-width: 768px) {
    .logo {
        float: none;
        text-align: center;
        margin-bottom: 15px;
    }

    .main-nav {
        float: none;
        text-align: center;
    }

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

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

    h2 {
        font-size: 1.8rem;
    }

    .showcase-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .main-nav li {
        display: block;
        margin: 10px 0;
    }

    .hero-section {
        padding: 40px 0;
    }

    .hero-section h1 {
        font-size: 1.8rem;
    }

    .hero-desc {
        font-size: 1rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .difi-text h3, .dex-text h3 {
        font-size: 1.2rem;
    }
}