@media (max-width: 768px) {

    .site-header .container {
        flex-direction: column;
        gap: 1rem;
    }

    .primary-nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }

    .hero {
        padding: 4rem 0;
    }

    .hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {

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

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

}


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

@media (max-width: 768px) {
    .archive-grid {
        grid-template-columns: 1fr;
    }

    .archive-page {
        padding: 3rem 0;
    }

    .archive-header {
        margin-bottom: 3rem;
    }
}

@media (max-width: 768px) {

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

}

@media (max-width: 768px) {

    .menu-toggle {
        display: block;
    }

    .primary-nav {
        display: none;
        width: 100%;
        margin-top: 1rem;
    }

    .primary-nav.active {
        display: block;
    }

    .primary-nav .menu {
        flex-direction: column;
        gap: 0;
    }

    .primary-nav li {
        border-top: 1px solid rgba(255,255,255,.1);
    }

    .primary-nav a {
        display: block;
        padding: 1rem 0;
    }

    .site-header .container {
        flex-wrap: wrap;
    }

    .menu .sub-menu {
        position: static;
        display: block;
        background: rgba(255,255,255,.05);
        border: 0;
        box-shadow: none;
        min-width: auto;
        padding-left: 1rem;
    }

}


/* Mobile */
@media (max-width: 768px) {
    .ledger-formula mjx-container {
        font-size: 75% !important;
    }
}

/* responsive.css */

@media (max-width: 768px) {

    pre {
        overflow-x: auto;
        overflow-y: hidden;

        max-width: 100%;

        padding: 1rem;

        font-size: 0.75rem;
        line-height: 1.5;

        -webkit-overflow-scrolling: touch;
    }

}

@media (max-width: 768px) {
    .research-paper {
        padding: 0 1rem;
    }
}




/* Mobile */
@media (max-width: 768px) {

    .paper-content img,
    .wp-post-image,
    .featured-image img {
        max-width: 100%;
        margin: 1.5rem auto;
    }

}

@media (max-width: 768px) {
    .research-mission-quote {
        margin: 2rem 1rem;
        padding: 1.25rem 1.5rem;
        font-size: 1rem;
    }
}