/* A readable text measure, with compact figures beside chapter openings. */
.research-overview {
    --research-measure: 680px;
    --research-gutter: 36px;
    width: 100%;
    max-width: none;
    padding-left: var(--research-gutter);
    color: var(--minimal-ink);
}

.research-overview .article-header {
    max-width: var(--research-measure);
    margin: 0 0 32px;
    padding: 0;
    border: 0;
}

.research-overview .article-header h1 {
    margin: 0 0 16px;
    font: 600 40px/1.15 var(--site-ui-font);
    letter-spacing: -0.025em;
}

/* The opening statement reads as a pull quote. */
.research-overview .research-lede {
    max-width: var(--research-measure);
    margin: 8px 0 0;
    padding: 2px 0 2px 16px;
    border-left: 3px solid var(--minimal-blue);
    color: var(--minimal-ink);
    font: italic 400 18px/1.55 var(--site-text-font);
    text-wrap: pretty;
}

/* Research links have a quiet, visible surface even before interaction. */
.research-overview .research-topics {
    margin: 0 0 48px;
    padding: 0;
    border: 0;
    font-family: var(--site-ui-font);
}

.research-overview .research-topics-label {
    margin: 0 0 10px;
    color: var(--minimal-muted);
    font: 500 13px/1.4 var(--site-ui-font);
}

.research-topics ul {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 12px;
    list-style: none;
    margin: 0;
    padding: 0;
    border: 0;
}

.research-topics li {
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

.research-overview .research-topics a {
    display: grid;
    grid-template-columns: 24px minmax(0, 1fr);
    grid-template-rows: minmax(48px, auto) 1fr;
    gap: 6px 8px;
    align-content: start;
    align-items: baseline;
    height: 100%;
    padding: 14px 12px;
    border: 1px solid #e0e5e8;
    border-radius: 7px;
    background: #f3f5f6;
    text-decoration: none;
}

.research-topics-index,
.research-section-index {
    color: var(--minimal-blue);
    font: 600 18px/1.25 var(--site-ui-font);
    font-variant-numeric: lining-nums tabular-nums;
    letter-spacing: -0.01em;
}

.research-topics-index {
    display: block;
    grid-column: 1;
    grid-row: 1;
    margin: 0;
}

.research-topics-name {
    display: block;
    grid-column: 2;
    grid-row: 1;
    color: var(--site-heading-ink);
    font: 600 16px/1.4 var(--site-ui-font);
    text-wrap: balance;
}

.research-topics-summary {
    display: block;
    grid-column: 2;
    grid-row: 2;
    align-self: start;
    margin: 0;
    color: var(--minimal-muted);
    font: 400 13px/1.5 var(--site-ui-font);
}

.research-overview .research-topics a:hover,
.research-overview .research-topics a:focus-visible {
    background: #eaf0f3;
    border-color: #b8cbd7;
}

.research-topics a:hover .research-topics-name,
.research-topics a:focus-visible .research-topics-name {
    color: var(--minimal-blue);
    text-decoration: none;
}

.research-overview .research-topic {
    margin: 0;
    scroll-margin-top: 96px;
}

.research-overview .research-topic + .research-topic {
    margin-top: 48px;
    padding-top: 28px;
    border-top: 1px solid var(--minimal-rule);
}

.research-topic-header {
    position: relative;
    max-width: var(--research-measure);
    margin: 0 0 24px;
}

.research-section-index {
    position: absolute;
    right: calc(100% + 12px);
    top: 4px;
    font-size: 26px;
}

.research-overview h2 {
    margin: 0;
    color: var(--site-heading-ink);
    font: 600 30px/1.25 var(--site-ui-font);
    letter-spacing: -0.02em;
    text-wrap: pretty;
}

.research-topic-body {
    display: block;
}

.research-overview .research-prose {
    width: 100%;
    max-width: var(--research-measure);
}

.research-overview .research-prose p {
    margin: 0 0 20px;
    font: 400 18px/1.65 var(--site-text-font);
    text-align: left;
    text-wrap: pretty;
}

.research-overview .research-prose p:last-child {
    margin-bottom: 0;
}

.research-prose strong {
    color: var(--site-heading-ink);
    font-weight: 700;
}

/* Wide figures share both edges with the reading column. */
.research-overview .research-figure {
    width: 100%;
    max-width: var(--research-measure);
    min-width: 0;
    margin: 0 0 28px;
}

.research-figure > a {
    display: block;
    margin-inline: auto;
    cursor: zoom-in;
}

.research-figure picture {
    display: block;
}

.research-figure img {
    display: block;
    width: 100%;
    height: auto;
    border: 0;
    border-radius: 0;
}

.research-figure--electronic > a {
    max-width: 580px;
}

.research-figure--quantum > a {
    max-width: 520px;
}

/* Only the opening paragraph sits beside the compact schematic.
   Subsequent paragraphs return to the normal reading width. */
.research-topic-opening {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: 32px;
    align-items: start;
    margin-bottom: 20px;
}

.research-topic-opening > .research-prose {
    grid-column: 1;
    grid-row: 1;
}

.research-overview .research-topic-opening > .research-figure {
    grid-column: 2;
    grid-row: 1;
    margin-bottom: 0;
}

.research-overview .research-figure figcaption {
    max-width: var(--research-measure);
    margin: 12px 0 0;
    color: var(--minimal-muted);
    font: 400 14px/1.55 var(--site-ui-font);
}

/* Evidence follows the narrative in one compact list. */
.research-overview .research-citations {
    max-width: var(--research-measure);
    margin: 24px 0 0;
    padding: 16px 0 0;
    border-top: 1px solid var(--minimal-rule);
    list-style: none;
    color: var(--minimal-muted);
    font: 400 14px/1.55 var(--site-ui-font);
}

.research-citations li {
    margin: 0 0 8px;
    padding: 0;
    break-inside: avoid;
}

.research-citations li:last-child {
    margin-bottom: 0;
}

.research-citations strong {
    color: var(--minimal-ink);
    font-weight: 600;
}

.research-overview .research-citations a {
    color: var(--minimal-blue);
    text-decoration: none;
}

.research-overview .research-citations a:hover,
.research-overview .research-citations a:focus-visible {
    color: var(--minimal-blue-hover);
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.research-overview .article-body .research-status {
    max-width: var(--research-measure);
    margin: 12px 0 0;
    color: var(--minimal-muted);
    font: 400 14px/1.55 var(--site-ui-font);
}

/* The long dynamics list uses the full width in two columns, one line per paper. */
.research-overview #quantum-dynamics .research-citations {
    max-width: none;
    column-count: 2;
    column-gap: 32px;
}

.research-overview .article-footer {
    max-width: var(--research-measure);
    margin: 48px 0 0;
    padding-top: 20px;
    font: 400 14px/1.55 var(--site-ui-font);
}

.research-skip {
    position: fixed;
    top: 8px;
    left: 8px;
    z-index: 1000;
    padding: 10px 14px;
    background: white;
    border: 1px solid var(--minimal-blue);
    transform: translateY(-200%);
    font: 14px/1.4 var(--site-ui-font);
}

.research-skip:focus {
    transform: translateY(0);
}

@media (min-width: 1200px) {
    .research-overview .research-topic {
        scroll-margin-top: 32px;
    }
}

@media (max-width: 899px) {
    .research-topic-opening {
        display: flex;
        flex-direction: column;
        gap: 28px;
    }

    .research-overview .research-topic-opening > .research-figure {
        width: min(100%, 440px);
        align-self: center;
    }

    .research-topics ul {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
    }
}

@media (max-width: 759px) {
    .research-overview {
        --research-gutter: 0px;
    }

    .research-overview #quantum-dynamics .research-citations {
        column-count: 1;
    }

    .research-overview .article-header {
        margin-bottom: 24px;
    }

    .research-overview .article-header h1 {
        font-size: 32px;
        margin-bottom: 14px;
    }

    .research-overview .research-lede {
        padding-left: 14px;
        font-size: 17px;
        line-height: 1.5;
    }

    .research-overview .research-topics {
        margin-bottom: 36px;
    }

    .research-topics ul {
        gap: 10px;
    }

    .research-overview .research-topics a {
        grid-template-columns: 22px minmax(0, 1fr);
        grid-template-rows: auto;
        column-gap: 6px;
        padding: 12px 6px;
        min-height: 72px;
    }

    .research-topics-summary {
        display: none;
    }

    .research-section-index {
        position: static;
        display: block;
        margin-bottom: 10px;
        font-size: 24px;
    }

    .research-overview h2 {
        font-size: 26px;
        line-height: 1.25;
    }

    .research-topic-header {
        margin-bottom: 20px;
    }

    .research-overview .research-prose p {
        font-size: 17px;
        line-height: 1.65;
        margin-bottom: 18px;
    }

    .research-overview .research-prose p:last-child {
        margin-bottom: 0;
    }

    .research-overview .research-figure {
        margin-bottom: 24px;
    }

    .research-topic-opening {
        gap: 24px;
        margin-bottom: 18px;
    }

    .research-overview .research-topic + .research-topic {
        margin-top: 36px;
        padding-top: 24px;
    }
}

@media print {
    .section-nav, .research-skip, .article-footer {
        display: none;
    }

    .research-overview {
        padding-left: 0;
    }

    .research-section-index {
        position: static;
        display: block;
    }

    .research-topic-opening {
        display: block;
    }

    .research-overview .research-topic-opening > .research-figure {
        max-width: 440px;
        margin: 0 auto 24px;
    }

    .research-topic-header,
    .research-figure,
    .research-citations li {
        break-inside: avoid;
    }

    .research-topic-header {
        break-after: avoid;
    }
}