/* ---- About: DataTech ---- */

/* Hero: deeper navy with an accent glow, like the GRO Score band below it */
.about-page .dt-hero {
    padding: 4.5rem 0 5.5rem;
    border-top: 2px solid var(--accent-strong);
    background:
        radial-gradient(ellipse at 90% 0%, rgba(var(--accent-strong-rgb), .28) 0%, rgba(var(--accent-strong-rgb), 0) 55%),
        var(--navy-deep);
}

.about-page .dt-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.3rem 0.75rem;
    border: 1px solid var(--accent-strong);
    border-radius: 999px;
    background: rgba(var(--accent-strong-rgb), .12);
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--accent-on-dark);
}

.about-page .dt-hero-heading {
    margin-top: 1.25rem;
}

.about-page .dt-accent {
    color: var(--accent-on-dark);
}

.about-page .dt-hero-sub {
    max-width: 28rem;
    line-height: 1.6;
}

.about-page .dt-hero-sub strong {
    font-weight: 700;
    color: var(--on-dark);
}

/* Same reading column as the FAQ block */
.about-page .dt-intro .container,
.about-page .dt-how .container {
    max-width: calc(984px + 2.5rem);
}

@media (min-width: 64rem) {
    .about-page .dt-intro .container,
    .about-page .dt-how .container {
        max-width: calc(984px + 5rem);
    }
}

/* ---- Intro ---- */

.about-page .dt-intro-text {
    max-width: 40rem;
    margin: 0;
    font-size: 1rem;
    line-height: 1.75;
    color: var(--ab-muted);
}

.about-page .dt-intro-text strong {
    color: var(--page-text);
}

/* ---- How it works (collapsible) ---- */

.about-page .dt-how {
    scroll-margin-top: 140px;
}

.about-page .dt-how-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding-bottom: 0.875rem;
    border-bottom: 1px solid var(--ab-line);
    cursor: pointer;
    list-style: none;
}

.about-page .dt-how-summary::-webkit-details-marker {
    display: none;
}

.about-page .dt-how-summary:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 4px;
}

.about-page .dt-how-heading {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--page-text);
}

/* Minus when open, plus when closed */
.about-page .dt-how-icon {
    flex: none;
    position: relative;
    width: 0.75rem;
    height: 0.75rem;
}

.about-page .dt-how-icon::before,
.about-page .dt-how-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: 100%;
    height: 2px;
    margin-top: -1px;
    background: var(--accent);
    transition: transform .2s ease;
}

.about-page .dt-how-icon::after {
    transform: rotate(90deg);
}

.about-page .dt-how-details[open] .dt-how-icon::after {
    transform: rotate(0deg);
}

.about-page .dt-how-body {
    max-width: 46rem;
    padding-top: 1.25rem;
}

.about-page .dt-how-body p {
    margin: 0 0 1rem;
    font-size: 0.875rem;
    line-height: 1.75;
    color: var(--ab-muted);
}

.about-page .dt-how-body p:last-child {
    margin-bottom: 0;
}

@media (max-width: 575.98px) {
    .about-page .dt-hero {
        padding: 3rem 0 3.75rem;
    }
}
