@media (max-width: 980px) {
    .nav-toggle {
        display: inline-flex;
        width: 46px;
        height: 42px;
        background: transparent;
        border: 1px solid rgba(255,255,255,.38);
        border-radius: 10px;
        flex-direction: column;
        justify-content: center;
        gap: 5px;
        padding: 0 11px;
    }

    .nav-toggle span:not(.sr-only) {
        display: block;
        height: 2px;
        background: #fff;
        width: 100%;
    }

    .main-nav {
        display: none;
        position: absolute;
        top: 92px;
        left: 0;
        right: 0;
        background: var(--rotary-blue-dark);
        padding: 20px;
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .main-nav.is-open {
        display: flex;
    }

    .hero__grid,
    .split-section,
    .impact-band {
        grid-template-columns: 1fr;
    }

    .card-grid--three {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 680px) {
    .container {
        width: min(calc(100% - 28px), var(--container));
    }

    .site-header__inner {
        min-height: 78px;
        gap: 16px;
    }

    .brand {
        padding: 4px;
        border-radius: 15px;
        max-width: calc(100% - 64px);
    }

    .brand__logo {
        height: 42px;
        width: auto;
        max-width: 100%;
        border-radius: 10px;
    }

    .main-nav {
        top: 78px;
    }

    .section {
        padding: 64px 0;
    }

    .hero {
        padding: 64px 0 56px;
    }

    .card-grid--three {
        grid-template-columns: 1fr;
    }

    .site-footer__grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
}

@media (max-width: 430px) {
    .brand__logo {
        height: 36px;
    }
}

@media (max-width: 760px) {
    .about-hero {
        padding: 58px 0 48px;
    }

    .about-card-grid {
        grid-template-columns: 1fr;
    }

    .about-card--wide {
        grid-column: auto;
    }

    .about-card {
        padding: 26px;
    }
}

@media (max-width: 520px) {
    .about-card {
        display: block;
    }

    .about-card__number {
        margin-bottom: 16px;
    }
}

@media (max-width: 760px) {
    .about-overview-grid {
        grid-template-columns: 1fr;
    }

    .overview-card {
        min-height: 0;
        padding: 26px;
    }
}