/**
 * Research hub + ranking indexes — Academy/Datasets editorial chrome.
 */

html.ej-scroll-restoring {
    visibility: hidden;
}

.seo-flight-shell:has(.research-hub) > .entity-page.content-page,
.seo-flight-shell:has(.research-page) > .entity-page.content-page {
    background: transparent;
    border-radius: 0;
    box-shadow: none;
}

:root[data-theme="dark"] .seo-flight-shell:has(.research-hub) > .entity-page.content-page,
:root[data-theme="dark"] .seo-flight-shell:has(.research-page) > .entity-page.content-page {
    box-shadow: none;
}

.research-hub,
.research-page {
    --rc-font:
        -apple-system, blinkmacsystemfont, "SF Pro Text", "SF Pro Display",
        system-ui, sans-serif;

    font-family: var(--rc-font);
}

.rc-surface {
    max-width: 1240px;
    margin-inline: auto;
    min-width: 0;
}

.rc-title--display {
    max-width: 12ch;
    font-size: clamp(3.2rem, 8vw, 6.5rem);
    font-weight: 520;
    line-height: 0.92;
    letter-spacing: -0.07em;
}

.rc-index-hero {
    padding: clamp(2rem, 6vw, 4.5rem) 0 clamp(1.75rem, 4vw, 3.25rem);
    border-bottom: 1px solid var(--rc-line);
    margin: 0;
}

.rc-index-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(14rem, 0.8fr);
    gap: clamp(2rem, 6vw, 5rem);
    align-items: end;
}

.rc-index-hero__kpi {
    padding: 1.25rem 0;
    border-top: 1px solid var(--rc-line);
}

.rc-index-hero__kicker {
    margin: 0 0 0.45rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--rc-muted);
}

.rc-index-hero__value {
    margin: 0 0 0.45rem;
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 540;
    letter-spacing: -0.055em;
    line-height: 1;
    color: var(--rc-text);
}

.rc-index-hero__caption {
    margin: 0;
    max-width: 28rem;
    font-size: 0.92rem;
    line-height: 1.45;
    color: var(--rc-muted);
}

.rc-action {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.9rem;
    font-weight: 650;
    letter-spacing: -0.015em;
    color: var(--rc-text);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color 160ms ease, border-color 160ms ease;
}

.rc-action:hover {
    color: var(--rc-accent);
    border-bottom-color: color-mix(in srgb, var(--rc-accent) 45%, transparent);
}

.rc-action--primary {
    color: var(--rc-accent);
}

.rc-track {
    display: grid;
    grid-template-columns: minmax(12rem, 0.38fr) minmax(0, 1fr);
    gap: clamp(1.75rem, 5vw, 4.5rem);
    padding: clamp(2.25rem, 5vw, 4.5rem) 0;
    border-bottom: 1px solid var(--rc-line);
    min-width: 0;
}

.rc-track__head {
    display: grid;
    grid-template-columns: 2.5rem 1fr;
    gap: 0.75rem;
    align-content: start;
    position: sticky;
    top: 5.5rem;
    align-self: start;
}

.rc-track__index {
    margin: 0.35rem 0 0;
    font-size: 0.67rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.06em;
    color: var(--rc-muted);
}

.rc-track__title {
    margin: 0 0 0.65rem;
    max-width: 14ch;
    font-size: clamp(1.55rem, 2.6vw, 2.35rem);
    font-weight: 540;
    line-height: 1.05;
    letter-spacing: -0.045em;
    color: var(--rc-text);
}

.rc-track__lede {
    margin: 0;
    max-width: 26rem;
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--rc-muted);
}

.rc-track__body {
    min-width: 0;
}

.rc-index-grid {
    display: grid;
    gap: 0;
}

/* Flat editorial rows — no filled cards / rounded bubbles */
.research-hub .rc-index-card,
.research-page .rc-index-card {
    display: grid;
    gap: 0.4rem;
    margin: 0;
    padding: 1.35rem 0;
    border: 0;
    border-top: 1px solid var(--rc-line);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    text-decoration: none;
    color: inherit;
}

.research-hub .rc-index-card:last-child,
.research-page .rc-index-card:last-child {
    border-bottom: 1px solid var(--rc-line);
}

.research-hub .rc-index-card:hover .rc-index-card__title,
.research-page .rc-index-card:hover .rc-index-card__title {
    color: var(--rc-accent);
}

.rc-index-card__status {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--rc-accent);
}

.rc-index-card__title {
    margin: 0;
    font-size: clamp(1.35rem, 2.2vw, 1.75rem);
    font-weight: 540;
    letter-spacing: -0.035em;
    color: var(--rc-text);
    transition: color 160ms ease;
}

.rc-index-card__meta {
    margin: 0;
    font-size: 0.85rem;
    color: var(--rc-muted);
}

.rc-index-card__text {
    margin: 0.15rem 0 0;
    max-width: 42rem;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--rc-muted);
}

.rc-index-card__cta {
    margin-top: 0.35rem;
    font-size: 0.88rem;
    font-weight: 650;
    color: var(--rc-text);
}

.rc-month-list {
    display: grid;
    gap: 0;
}

.research-hub .rc-month-row {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    align-items: baseline;
    gap: 0.75rem 1.25rem;
    margin: 0;
    padding: 1.2rem 0;
    border: 0;
    border-top: 1px solid var(--rc-line);
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    text-decoration: none;
    color: inherit;
}

.research-hub .rc-month-row:last-child {
    border-bottom: 1px solid var(--rc-line);
}

.research-hub .rc-month-row:hover .rc-month-row__label {
    color: var(--rc-accent);
}

.rc-month-row__label {
    font-size: 1.15rem;
    font-weight: 560;
    letter-spacing: -0.03em;
    color: var(--rc-text);
    transition: color 160ms ease;
}

.rc-month-row__badge {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--rc-accent);
}

.rc-month-row__meta {
    font-size: 0.9rem;
    font-variant-numeric: tabular-nums;
    color: var(--rc-muted);
}

.rc-month-row__cta {
    grid-column: 1 / -1;
    font-size: 0.85rem;
    font-weight: 650;
    color: var(--rc-text);
}

@media (min-width: 720px) {
    .research-hub .rc-month-row {
        grid-template-columns: minmax(0, 1.2fr) auto minmax(7rem, 0.6fr) auto;
    }

    .rc-month-row__cta {
        grid-column: auto;
    }
}

.rc-featured-card {
    padding: 0;
}

.rc-featured-card__title {
    margin: 0 0 0.5rem;
    font-size: clamp(1.4rem, 2.4vw, 1.9rem);
    font-weight: 540;
    letter-spacing: -0.035em;
}

.rc-featured-card__dek {
    margin: 0 0 1rem;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--rc-muted);
}

.rc-featured__facts {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem 1.75rem;
    margin: 0 0 1.15rem;
}

.rc-featured__fact {
    display: grid;
    gap: 0.15rem;
}

.rc-featured__fact-value {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: -0.03em;
}

.rc-featured__fact-label {
    font-size: 0.75rem;
    color: var(--rc-muted);
}

.rc-rank-table {
    display: grid;
    gap: 0;
}

.rc-rank-table__head,
.rc-rank-row {
    display: grid;
    grid-template-columns: 3rem minmax(0, 1.4fr) 4.5rem 5rem 5.5rem minmax(0, 1.2fr);
    gap: 0.75rem;
    align-items: center;
    padding: 0.85rem 0;
    border-top: 1px solid var(--rc-line);
}

.rc-rank-table__head {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--rc-muted);
    border-top: none;
    padding-top: 0;
}

.rc-rank-row {
    text-decoration: none;
    color: inherit;
}

.rc-rank-row:hover {
    color: var(--rc-accent);
}

.rc-rank-row__rank {
    font-variant-numeric: tabular-nums;
    color: var(--rc-muted);
}

.rc-rank-row__entity {
    display: grid;
    gap: 0.15rem;
    min-width: 0;
}

.rc-rank-row__code {
    font-weight: 600;
    letter-spacing: -0.02em;
}

.rc-rank-row__meta,
.rc-rank-row__corridor {
    font-size: 0.82rem;
    color: var(--rc-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.rc-rank-row__share {
    font-weight: 650;
    font-variant-numeric: tabular-nums;
}

.rc-findings {
    list-style: none;
    margin: 0;
    padding: 0;
}

.rc-finding {
    display: grid;
    grid-template-columns: 2.5rem minmax(0, 1fr);
    gap: 1rem;
    padding: 1.35rem 0;
    border-top: 1px solid var(--rc-line);
}

.rc-finding:last-child {
    border-bottom: 1px solid var(--rc-line);
}

.rc-finding__num {
    padding-top: 0.15rem;
    font-size: 0.68rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.06em;
    color: var(--rc-muted);
}

.rc-finding__text {
    margin: 0;
    max-width: 48rem;
    font-size: clamp(1rem, 1.6vw, 1.18rem);
    line-height: 1.55;
    letter-spacing: -0.018em;
    color: var(--rc-text);
}

.rc-cat-mix {
    display: grid;
    gap: 0.75rem;
}

.rc-cat-mix__item {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 1rem;
    padding: 0.85rem 0;
    border-top: 1px solid var(--rc-line);
}

.rc-cat-mix__label {
    font-weight: 600;
}

.rc-cat-mix__value {
    font-variant-numeric: tabular-nums;
    font-weight: 650;
}

.rc-cat-mix__meta {
    color: var(--rc-muted);
    font-size: 0.85rem;
}

.rc-method-list {
    margin: 0;
    padding: 0 0 0 1.1rem;
    color: var(--rc-muted);
    line-height: 1.55;
}

.rc-method-list li + li {
    margin-top: 0.45rem;
}

.rc-machine {
    margin: 1.15rem 0 0;
    font-size: 0.88rem;
    color: var(--rc-muted);
}

.rc-machine a {
    color: var(--rc-accent);
    font-weight: 600;
    text-decoration: none;
}

.rc-machine a:hover {
    text-decoration: underline;
}

.rc-prose {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.55;
    color: var(--rc-muted);
}

.rc-faq__item {
    border-top: 1px solid var(--rc-line);
    padding: 0.85rem 0;
}

.rc-faq__item:last-child {
    border-bottom: 1px solid var(--rc-line);
}

.rc-faq__item summary {
    cursor: pointer;
    font-weight: 600;
    letter-spacing: -0.015em;
}

.rc-faq__answer {
    margin: 0.65rem 0 0;
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--rc-muted);
}

.rc-empty {
    margin: 0;
    color: var(--rc-muted);
}

@media (max-width: 900px) {
    .rc-index-hero__grid,
    .rc-track {
        grid-template-columns: minmax(0, 1fr);
    }

    .rc-track__head {
        position: static;
        grid-template-columns: 2rem 1fr;
    }

    .rc-rank-table__head {
        display: none;
    }

    .rc-rank-row {
        grid-template-columns: 2rem minmax(0, 1fr) auto;
        grid-template-areas:
            "rank entity share"
            ". meta meta"
            ". corridor corridor";
    }

    .rc-rank-row__rank {
        grid-area: rank;
    }

    .rc-rank-row__entity {
        grid-area: entity;
    }

    .rc-rank-row__share {
        grid-area: share;
    }

    .rc-rank-row > span:nth-child(4),
    .rc-rank-row > span:nth-child(5) {
        grid-area: meta;
        font-size: 0.82rem;
        color: var(--rc-muted);
    }

    .rc-rank-row__corridor {
        grid-area: corridor;
        white-space: normal;
    }
}