@charset "UTF-8";

body.menu-open {
    overflow: hidden;
}

@media (min-width: 720px) {
    .cards-grid,
    .info-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .activity-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .contact-panel {
        grid-template-columns: 1.15fr 0.85fr;
        align-items: center;
    }

    .footer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (min-width: 980px) {
    .header-shell {
        gap: 1.45rem;
        grid-template-columns: auto minmax(0, 1fr);
    }

    .header-actions {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
        gap: 0.75rem;
        min-width: 0;
    }

    .main-nav {
        position: static;
        display: block;
        min-width: 0;
        margin-left: 0;
        max-height: none;
        overflow: visible;
        padding: 0 0.7rem;
        border: 0;
        background: transparent;
        box-shadow: none;
    }

    .nav-list {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0;
        min-width: 0;
        flex-wrap: nowrap;
    }

    .nav-item {
        position: relative;
        flex: 0 1 auto;
        min-width: 0;
    }

    .nav-link {
        width: auto;
        min-width: 0;
        white-space: nowrap;
        padding-inline: 0.54rem;
        font-size: 0.97rem;
    }

    .submenu {
        position: absolute;
        top: calc(100% + 0.6rem);
        left: 0;
        min-width: 15rem;
        padding: 0.7rem;
        border: 1px solid var(--line);
        border-radius: 18px;
        background: rgba(255, 255, 255, 0.98);
        box-shadow: var(--shadow);
        opacity: 0;
        visibility: hidden;
        transform: translateY(0.4rem);
        transition: opacity 0.2s ease, visibility 0.2s ease, transform 0.2s ease;
    }

    .nav-item:hover .submenu,
    .nav-item:focus-within .submenu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }

    .nav-mobile-cta,
    .menu-toggle {
        display: none;
    }

    .header-cta {
        display: inline-flex;
        align-self: center;
    }

    .header-theme-toggle {
        justify-self: end;
        align-self: center;
    }

    .hero-layout,
    .intro-grid,
    .method-layout {
        grid-template-columns: minmax(0, 1.05fr) minmax(20rem, 0.95fr);
    }

    .spotlight {
        grid-template-columns: minmax(0, 1fr) minmax(19rem, 0.9fr);
        align-items: start;
    }

    .hero-metrics {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .activity-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .cards-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .info-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr));
    }

    .footer-grid {
        grid-template-columns: minmax(0, 1.15fr) repeat(4, minmax(0, 0.78fr));
        align-items: start;
    }
}

@media (max-width: 719px) {
    .section {
        padding: 3.5rem 0;
    }

    .hero {
        padding-top: 2.2rem;
    }

    .hero-aside-card {
        min-height: 15rem;
    }

    .contact-panel {
        padding: 1.5rem;
    }

    .contact-copy h2 {
        max-width: none;
    }

    .footer-meta {
        flex-direction: column;
        align-items: flex-start;
    }

    .affiliations-title {
        font-size: 0.8rem;
    }

    .affiliations-row {
        gap: 0.75rem;
        padding-right: 0.75rem;
    }

    .affiliation-badge {
        flex-basis: 10.5rem;
        min-width: 10.5rem;
        min-height: 4.25rem;
        padding: 0.7rem 0.85rem;
    }

    .affiliation-badge img {
        max-width: 6.4rem;
        max-height: 2.4rem;
    }

    .social-link {
        width: 100%;
        justify-content: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .affiliations-track {
        width: auto;
        animation: none;
    }

    .affiliations-strip {
        overflow-x: auto;
    }
}