.about-page .public-header {
    position: static;
}

.about-page .brief-main {
    padding: 28px 0;
}

.about-page .brief-shell {
    width: min(1100px, calc(100% - 48px));
    margin: 0 auto;
}

.about-page .brief-heading {
    margin-bottom: 18px;
}

.about-page .brief-eyebrow {
    margin-bottom: 4px;
    color: var(--vmms-muted);
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.about-page .brief-heading h1 {
    color: var(--vmms-primary);
    font-size: 30px;
    line-height: 1.25;
}

.about-page .system-brief {
    border: 1px solid var(--vmms-line);
    border-top: 4px solid var(--vmms-primary);
    border-radius: 6px;
    background: var(--vmms-paper);
}

.about-page .brief-section {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 24px;
    padding: 22px 26px;
}

.about-page .brief-section + .brief-section {
    border-top: 1px solid var(--vmms-line);
}

.about-page .brief-section h2 {
    color: var(--vmms-primary);
    font-size: 12px;
    line-height: 1.8;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.about-page .brief-section p {
    color: var(--vmms-ink);
    font-size: 14px;
    line-height: 1.65;
}

.about-page .brief-functions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px 40px;
    padding-left: 20px;
}

.about-page .brief-functions li {
    padding-left: 3px;
}

.about-page .brief-functions li::marker {
    color: var(--vmms-muted);
    font-size: 13px;
    font-weight: 600;
}

.about-page .brief-functions h3 {
    margin-bottom: 3px;
    color: var(--vmms-primary);
    font-size: 14px;
    line-height: 1.55;
    font-weight: 600;
}

.about-page p.brief-access {
    margin-top: 3px;
    color: var(--vmms-muted);
    font-size: 13px;
}

@media (max-width: 760px) {
    .about-page .brief-main {
        padding: 22px 0;
    }

    .about-page .brief-shell {
        width: calc(100% - 32px);
    }

    .about-page .brief-heading h1 {
        font-size: 26px;
    }

    .about-page .brief-section {
        grid-template-columns: 1fr;
        gap: 8px;
        padding: 18px;
    }

    .about-page .brief-functions {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .about-page .public-footer {
        min-height: 0;
        padding: 16px;
        gap: 8px;
        font-size: 11px;
    }

    .about-page .public-footer-brand {
        flex-direction: row;
        text-align: left;
        gap: 12px;
    }

    .about-page .public-footer-brand img {
        width: 40px;
        height: 40px;
    }
}