.ocf-page-about {
    background: var(--ocf-bg);
}

.ocf-page-about__section {
    display: grid;
    gap: 1.5rem;
}

.ocf-page-about__grid {
    display: grid;
    grid-template-columns: 1fr;
}

.ocf-about-standards {
    background: var(--ocf-bg);
}

.ocf-about-standards__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.15fr);
    gap: clamp(2.5rem, 6vw, 5.5rem);
    align-items: start;
}

.ocf-about-standards__intro {
    max-width: 36rem;
}

@media (min-width: 901px) {
    .ocf-about-standards__intro {
        position: sticky;
        top: calc(var(--nav-height) + 2rem);
    }
}

.ocf-about-standards__lead {
    margin: 1.25rem 0 0;
    color: var(--ocf-body);
    font-size: var(--text-lg);
    line-height: 1.65;
}

.ocf-about-standards__list {
    display: grid;
    border-top: var(--card-border-width) solid var(--card-border-color);
}

.ocf-about-standard {
    display: grid;
    grid-template-columns: 4.25rem minmax(0, 1fr);
    gap: clamp(1rem, 3vw, 2rem);
    padding: clamp(1.5rem, 4vw, 2.4rem) 0;
    border-bottom: var(--card-border-width) solid var(--card-border-color);
}

.ocf-about-standard__number {
    color: var(--ocf-label);
    font-size: var(--text-sm);
    font-weight: 750;
    letter-spacing: 0;
    line-height: 1.2;
}

.ocf-about-standard__title {
    margin: 0;
    color: var(--ocf-heading);
    font-family: var(--ocf-font-heading), system-ui, sans-serif;
    font-size: clamp(1.45rem, 2.2vw, 2rem);
    line-height: 1.15;
}

.ocf-about-standard__body {
    max-width: 62ch;
    margin: 0.75rem 0 0;
    color: var(--ocf-body);
    font-size: calc(var(--text-base) + 1px);
    line-height: 1.7;
}

.ocf-about-standards__note {
    display: grid;
    gap: 0.6rem;
    margin-top: clamp(1.25rem, 3vw, 2rem);
    padding-top: clamp(1.25rem, 3vw, 2rem);
    border-top: var(--card-border-width) solid var(--card-border-color);
}

.ocf-about-standards__note span {
    color: var(--ocf-heading);
    font-family: var(--ocf-font-heading), system-ui, sans-serif;
    font-size: var(--text-lg);
    font-weight: 800;
    line-height: 1.25;
}

.ocf-about-standards__note p {
    max-width: 64ch;
    margin: 0;
    color: var(--ocf-body);
    font-size: var(--text-base);
    line-height: 1.65;
}

@media (max-width: 900px) {
    .ocf-page-about__grid,
    .ocf-about-standards__grid {
        grid-template-columns: 1fr;
    }

    .ocf-about-standards__intro {
        max-width: 44rem;
    }
}

@media (max-width: 560px) {
    .ocf-about-standard {
        grid-template-columns: 1fr;
        gap: 0.65rem;
    }
}