.about-documentation {
    display: grid;
    gap: 24px;
    padding: 4px 2px 12px;
}

.about-documentation__intro {
    padding: 0 2px 2px;
}

.about-documentation__intro h2 {
    margin: 0;
    color: var(--window-ink, #fff);
    font-size: clamp(24px, 2.5vw, 29px);
    font-weight: 680;
    line-height: 1.18;
    letter-spacing: -.025em;
}

.about-documentation__intro > p {
    max-width: 760px;
    margin: 8px 0 0;
    color: var(--window-muted, rgba(255, 255, 255, .84));
    font-size: 14px;
    font-weight: 400;
    line-height: 1.62;
}

.about-documentation__orientation {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 5px 10px;
    margin-top: 17px;
    padding-top: 14px;
    border-top: 1px solid rgba(226, 232, 240, .16);
}

.about-documentation__orientation strong {
    color: #f4aacb;
    font-size: 12px;
    font-weight: 720;
    letter-spacing: .055em;
    text-transform: uppercase;
}

.about-documentation__orientation span {
    color: rgba(241, 245, 249, .76);
    font-size: 13px;
    font-weight: 400;
    line-height: 1.55;
}

.about-documentation__groups {
    columns: 2 320px;
    column-gap: 50px;
}

.about-documentation__group {
    min-width: 0;
    break-inside: avoid;
    page-break-inside: avoid;
    margin: 0 0 27px;
}

.about-documentation__group h3 {
    position: relative;
    margin: 0 0 9px;
    padding-left: 12px;
    color: #efb1cc;
    font-size: 11px;
    font-weight: 720;
    line-height: 1.35;
    letter-spacing: .12em;
    text-transform: uppercase;
}

.about-documentation__group h3::before {
    content: '';
    position: absolute;
    left: 0;
    top: .08em;
    width: 3px;
    height: 1.08em;
    border-radius: 999px;
    background: #c94f86;
}

.about-documentation__links {
    display: grid;
    gap: 1px;
}

.about-documentation__links a {
    display: block;
    min-height: 29px;
    padding: 4px 0 4px 12px;
    color: rgba(248, 250, 252, .9);
    border-bottom: 1px solid transparent;
    text-decoration: none;
    font-size: 14px;
    font-weight: 480;
    line-height: 1.46;
    transition: transform .16s ease, color .16s ease, border-color .16s ease;
}

.about-documentation__links a:hover,
.about-documentation__links a:focus-visible {
    color: #fff;
    border-color: rgba(244, 170, 203, .5);
    outline: 0;
    transform: translateX(4px);
}

.about-documentation__footer {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    padding: 1px 0 4px 2px;
}

.about-documentation__footer a {
    color: rgba(244, 170, 203, .9);
    font-size: 13px;
    font-weight: 560;
    text-decoration: none;
}

.about-documentation__footer a:hover,
.about-documentation__footer a:focus-visible {
    color: #fff;
}

@media (max-width: 760px) {
    .about-documentation {
        gap: 21px;
    }

    .about-documentation__groups {
        columns: 1;
    }

    .about-documentation__group {
        margin-bottom: 23px;
    }

    .about-documentation__intro > p {
        font-size: 14px;
    }

    .about-documentation__orientation {
        display: grid;
        gap: 4px;
    }
}

/*
 * DOC-D1R4R — Documentation hierarchy correction.
 * Desktop only: preserve article line rhythm, soften group labels,
 * and separate the orientation row from the main introduction.
 */
@media (min-width: 761px) {
    .about-documentation__orientation {
        margin-top: 25px;
        padding-top: 16px;
    }

    .about-documentation__group {
        margin-bottom: 31px;
    }

    .about-documentation__group h3 {
        margin-bottom: 9px;
        font-size: 13px;
        font-weight: 400;
        line-height: 1.35;
        letter-spacing: .055em;
    }

    .about-documentation__links {
        gap: 1px;
    }

    .about-documentation__links a {
        min-height: 29px;
        padding-top: 4px;
        padding-bottom: 4px;
        line-height: 1.46;
    }
}

/*
 * DOC-D1R4R1 — Article title typography correction.
 * Desktop documentation article titles use the exact size and weight
 * of the orientation narrative: 13px / 400.
 */
@media (min-width: 761px) {
    .about-documentation__links a {
        font-size: 13px;
        font-weight: 400;
    }
}