.retail-case-study {
    --case-plum: #7f394f;
    --case-plum-deep: #2a1823;
    --case-bronze: #ad7049;
    --case-rose: #c87f90;
    --case-paper: #fffdfa;
    --case-wash: #f5ece7;
    --case-blue: #3977c4;
    font-family: Inter, "Segoe UI", Arial, sans-serif;
}

.retail-case-study h1,
.retail-case-study h2,
.retail-case-study h3,
.retail-case-study strong {
    font-family: "Source Serif 4", Georgia, serif;
    letter-spacing: -0.025em;
}

.case-section {
    padding: 72px 0;
}

.case-index {
    margin-bottom: 18px;
    color: var(--case-bronze);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.case-heading {
    display: grid;
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
    align-items: end;
    margin-bottom: 38px;
    column-gap: 48px;
}

.case-heading .case-index {
    grid-column: 1;
}

.case-heading h2 {
    grid-column: 1;
    max-width: 720px;
    margin: 0;
    font-size: clamp(2.45rem, 3.8vw, 3.75rem);
    line-height: 1;
}

.case-heading > p:last-child {
    grid-column: 2;
    grid-row: 1 / span 2;
    max-width: 560px;
    margin: 0;
    color: var(--muted);
}

.case-hero {
    position: relative;
    overflow: hidden;
    min-height: 0;
    padding: 52px 0 64px;
    background:
        radial-gradient(circle at 86% 18%, rgba(173, 112, 73, 0.18), transparent 26%),
        radial-gradient(circle at 12% 88%, rgba(141, 64, 88, 0.1), transparent 28%),
        linear-gradient(135deg, #fffdfa, #f4eae5);
    border-bottom: 1px solid var(--line);
}

.case-grid {
    position: absolute;
    inset: 0;
    opacity: 0.55;
    background-image:
        linear-gradient(rgba(92, 56, 70, 0.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(92, 56, 70, 0.045) 1px, transparent 1px);
    background-size: 54px 54px;
    mask-image: linear-gradient(to right, #000, transparent 76%);
}

.case-hero-layout {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(0, 1.06fr) minmax(340px, 0.62fr);
    align-items: center;
    min-height: 480px;
    gap: 56px;
}

.case-breadcrumb {
    display: inline-flex;
    align-items: center;
    margin-bottom: 28px;
    color: var(--muted);
    font-size: 0.83rem;
    font-weight: 600;
    gap: 8px;
}

.case-breadcrumb span {
    color: var(--case-bronze);
    transition: transform 180ms ease;
}

.case-breadcrumb:hover span {
    transform: translateX(-4px);
}

.case-hero .eyebrow {
    margin-bottom: 18px;
}

.case-hero h1 {
    max-width: 820px;
    margin-bottom: 20px;
    font-size: clamp(3.35rem, 5.2vw, 5.1rem);
    line-height: 0.96;
}

.case-hero h1 em {
    display: block;
    color: var(--case-plum);
    font-style: normal;
}

.case-deck {
    max-width: 720px;
    color: var(--muted);
    font-size: 1rem;
    line-height: 1.65;
}

.case-actions,
.technical-actions {
    display: flex;
    align-items: center;
    margin-top: 24px;
    flex-wrap: wrap;
    gap: 24px;
}

.case-text-link {
    display: inline-flex;
    align-items: center;
    color: var(--case-plum);
    font-size: 0.83rem;
    font-weight: 700;
    gap: 8px;
}

.case-text-link span {
    transition: transform 180ms ease;
}

.case-text-link:hover span {
    transform: translate(3px, -3px);
}

.case-tags {
    display: flex;
    margin: 24px 0 0;
    padding: 0;
    flex-wrap: wrap;
    gap: 9px;
    list-style: none;
}

.case-tags li {
    padding: 7px 11px;
    color: var(--case-plum);
    background: rgba(141, 64, 88, 0.07);
    border: 1px solid rgba(141, 64, 88, 0.11);
    font-size: 0.72rem;
    font-weight: 700;
}

.case-hero-card {
    position: relative;
    min-height: 410px;
    padding: 30px;
    color: #fff;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, 0.06), transparent 45%),
        linear-gradient(145deg, #271720, #543044);
    box-shadow: 26px 28px 0 rgba(141, 64, 88, 0.08), 0 34px 80px rgba(57, 31, 44, 0.2);
}

.hero-card-heading {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 17px;
    color: #ccb9c1;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-card-heading b {
    color: #d9b78e;
    font-family: inherit;
    font-weight: 600;
}

.hero-card-total {
    padding: 25px 0 21px;
}

.hero-card-total > span,
.hero-card-total > small {
    display: block;
    color: #c8b7be;
    font-size: 0.75rem;
}

.hero-card-total strong {
    display: block;
    margin: 4px 0 1px;
    color: #fff;
    font-size: clamp(2.7rem, 4vw, 3.8rem);
    font-weight: 500;
    line-height: 1;
}

.hero-card-metrics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: rgba(255, 255, 255, 0.12);
}

.hero-card-metrics > div {
    padding: 14px 12px;
    background: rgba(43, 25, 34, 0.88);
}

.hero-card-metrics strong,
.hero-card-metrics span {
    display: block;
}

.hero-card-metrics strong {
    color: #e3b48e;
    font-size: 1.25rem;
}

.hero-card-metrics span {
    color: #c8b7be;
    font-size: 0.7rem;
}

.hero-sparkline {
    display: flex;
    align-items: end;
    height: 52px;
    margin-top: 17px;
    gap: 6px;
}

.hero-sparkline i {
    width: 100%;
    height: var(--h);
    min-height: 4px;
    background: linear-gradient(to top, rgba(173, 112, 73, 0.42), #e3b48e);
    transform-origin: bottom;
    animation: case-bar-rise 900ms ease both;
}

.hero-card-note {
    display: flex;
    align-items: center;
    margin-top: 13px;
    color: #c8b7be;
    font-size: 0.7rem;
    gap: 8px;
}

.hero-card-note span {
    width: 7px;
    height: 7px;
    background: #e3b48e;
    border-radius: 50%;
    box-shadow: 0 0 0 5px rgba(227, 180, 142, 0.1);
}

@keyframes case-bar-rise {
    from { transform: scaleY(0); }
    to { transform: scaleY(1); }
}

.case-introduction {
    background: var(--case-paper);
}

.case-intro-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: 68px;
}

.case-intro-layout h2 {
    max-width: 590px;
    margin: 0;
    font-size: clamp(2.45rem, 3.8vw, 3.75rem);
    line-height: 1;
}

.case-intro-copy {
    padding-top: 22px;
}

.case-intro-copy > p {
    max-width: 720px;
    color: var(--muted);
}

.case-intro-copy .case-lead {
    color: var(--ink);
    font-family: "Source Serif 4", Georgia, serif;
    font-size: 1.38rem;
    line-height: 1.45;
}

.case-principle {
    margin-top: 26px;
    padding: 18px 0 0 21px;
    border-top: 1px solid var(--line);
    border-left: 3px solid var(--case-bronze);
}

.case-principle span {
    display: block;
    margin-bottom: 5px;
    color: var(--case-bronze);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.question-section {
    background: var(--case-wash);
}

.question-grid,
.method-flow {
    margin: 0;
    padding: 0;
    list-style: none;
}

.question-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    background: var(--line);
    border: 1px solid var(--line);
}

.question-grid li {
    min-height: 165px;
    padding: 23px;
    background: var(--case-paper);
}

.question-grid span,
.method-flow li > span,
.finding-number {
    color: var(--case-bronze);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.09em;
}

.question-grid p {
    margin: 24px 0 0;
    color: var(--ink);
    font-family: "Source Serif 4", Georgia, serif;
    font-size: 1.12rem;
    line-height: 1.42;
}

.method-section {
    color: #fff;
    background:
        radial-gradient(circle at 86% 12%, rgba(173, 112, 73, 0.2), transparent 28%),
        linear-gradient(135deg, #24151d, #3d2230);
}

.case-heading-light h2,
.case-heading-light > p:last-child {
    color: #fff;
}

.case-heading-light > p:last-child {
    color: #c8b7be;
}

.method-flow {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.method-flow li {
    position: relative;
    min-height: 185px;
    padding: 24px 20px 0;
    border-right: 1px solid rgba(255, 255, 255, 0.12);
}

.method-flow li::before {
    position: absolute;
    top: -6px;
    left: 20px;
    width: 11px;
    height: 11px;
    content: "";
    background: #e3b48e;
    border-radius: 50%;
    box-shadow: 0 0 0 7px rgba(227, 180, 142, 0.1);
}

.method-flow strong {
    display: block;
    margin: 31px 0 8px;
    color: #fff;
    font-size: 1.3rem;
}

.method-flow p {
    color: #c8b7be;
    font-size: 0.82rem;
}

.quality-section {
    background: #fffdfa;
}

.quality-layout {
    display: grid;
    grid-template-columns: minmax(350px, 0.7fr) minmax(0, 1.1fr);
    align-items: center;
    gap: 66px;
}

.quality-score {
    padding: 36px;
    background: var(--case-wash);
    border: 1px solid var(--line);
    box-shadow: 20px 22px 0 rgba(141, 64, 88, 0.055);
}

.quality-score > span,
.quality-score > small {
    display: block;
    color: var(--muted);
    font-size: 0.78rem;
}

.quality-score > strong {
    display: block;
    margin: 13px 0 22px;
    color: var(--case-plum);
    font-size: clamp(4rem, 7vw, 6.4rem);
    font-weight: 500;
    line-height: 0.88;
}

.quality-score sup {
    font-size: 0.35em;
    vertical-align: top;
}

.quality-score > div {
    height: 8px;
    margin-bottom: 12px;
    overflow: hidden;
    background: rgba(141, 64, 88, 0.12);
}

.quality-score i {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, var(--case-plum), var(--case-bronze));
}

.quality-copy h2 {
    max-width: 700px;
    margin-bottom: 18px;
    font-size: clamp(2.45rem, 3.8vw, 3.65rem);
    line-height: 1;
}

.quality-copy > p {
    max-width: 720px;
    color: var(--muted);
}

.quality-copy ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 22px 0;
    padding: 0;
    gap: 10px;
    list-style: none;
}

.quality-copy li {
    padding: 10px 13px;
    color: var(--case-plum);
    background: rgba(141, 64, 88, 0.06);
    font-size: 0.8rem;
    font-weight: 700;
}

.quality-copy .quality-note {
    padding: 17px 20px;
    color: var(--ink);
    background: var(--case-wash);
    border-left: 3px solid var(--case-bronze);
}

.explorer-section {
    background: #f3ece7;
}

.explorer-heading {
    display: flex;
    justify-content: space-between;
    align-items: end;
    margin-bottom: 32px;
    gap: 30px;
}

.explorer-heading h2 {
    margin: 0;
    font-size: clamp(2.45rem, 3.8vw, 3.75rem);
}

.metric-switch {
    display: inline-flex;
    padding: 5px;
    background: rgba(141, 64, 88, 0.07);
    border: 1px solid rgba(141, 64, 88, 0.13);
}

.metric-switch button {
    padding: 9px 15px;
    cursor: pointer;
    background: transparent;
    border: 0;
    font-size: 0.78rem;
    font-weight: 700;
}

.metric-switch button.is-active {
    color: #fff;
    background: var(--case-plum);
}

.data-explorer {
    padding: 28px 32px 22px;
    background: var(--case-paper);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-lg);
}

.explorer-summary {
    display: grid;
    grid-template-columns: 130px minmax(180px, 0.55fr) minmax(0, 1fr);
    align-items: baseline;
    padding-bottom: 20px;
    gap: 25px;
    border-bottom: 1px solid var(--line);
}

.explorer-summary > p,
.explorer-summary small,
.explorer-instruction {
    color: var(--muted);
    font-size: 0.76rem;
}

.explorer-summary > strong {
    color: var(--case-plum);
    font-size: 1.5rem;
}

.explorer-summary > div span,
.explorer-summary > div small {
    display: block;
}

.explorer-summary > div span {
    color: var(--ink);
    font-weight: 700;
}

.explorer-plot-wrap {
    display: grid;
    grid-template-columns: 42px minmax(0, 1fr);
    height: 260px;
    margin-top: 24px;
}

.explorer-axis {
    display: flex;
    justify-content: space-between;
    padding: 0 8px 31px 0;
    color: var(--muted);
    font-size: 0.67rem;
    writing-mode: vertical-rl;
    transform: rotate(180deg);
}

.explorer-chart {
    display: grid;
    grid-template-columns: repeat(30, minmax(12px, 1fr));
    align-items: stretch;
    min-width: 720px;
    padding: 0 0 31px;
    gap: 5px;
    background:
        linear-gradient(to bottom, rgba(141, 64, 88, 0.08) 1px, transparent 1px);
    background-size: 100% 25%;
    border-bottom: 1px solid rgba(141, 64, 88, 0.18);
}

.explorer-plot-wrap {
    overflow-x: auto;
}

.daily-bar {
    position: relative;
    display: flex;
    align-items: end;
    height: 100%;
    padding: 0;
    cursor: pointer;
    background: transparent;
    border: 0;
}

.daily-bar > i {
    display: block;
    width: 100%;
    height: var(--bar-height);
    min-height: 4px;
    background: linear-gradient(to top, rgba(141, 64, 88, 0.55), var(--case-rose));
    transition: height 300ms ease, background 180ms ease, transform 180ms ease;
    transform-origin: bottom;
}

.daily-bar:hover > i,
.daily-bar:focus-visible > i,
.daily-bar.is-selected > i {
    background: linear-gradient(to top, var(--case-plum), var(--case-bronze));
    transform: scaleX(1.18);
}

.daily-bar > span {
    position: absolute;
    bottom: -25px;
    left: 50%;
    color: var(--muted);
    font-size: 0.62rem;
    transform: translateX(-50%);
}

.explorer-instruction {
    margin: 18px 0 0 42px;
}

.findings-section {
    background: var(--case-paper);
}

.finding-row {
    display: grid;
    grid-template-columns: minmax(0, 0.72fr) minmax(480px, 1.08fr);
    align-items: center;
    padding: 54px 0;
    gap: 52px;
    border-top: 1px solid var(--line);
}

.finding-row-reverse .finding-copy {
    order: 2;
}

.finding-copy h3 {
    max-width: 590px;
    margin: 13px 0 17px;
    font-size: clamp(2rem, 3.1vw, 3rem);
    line-height: 1.03;
}

.finding-copy > p {
    color: var(--muted);
}

.finding-copy > p strong {
    color: var(--ink);
    font-family: inherit;
}

.finding-stat {
    margin: 22px 0 18px;
    padding: 16px 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.finding-stat span,
.finding-stat strong,
.finding-stat small {
    display: block;
}

.finding-stat span {
    color: var(--case-bronze);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.finding-stat strong {
    margin: 3px 0;
    color: var(--case-plum);
    font-size: 1.7rem;
}

.finding-stat small,
.finding-figure figcaption {
    color: var(--muted);
    font-size: 0.72rem;
}

.finding-copy .finding-caution {
    padding-left: 18px;
    color: var(--muted);
    border-left: 3px solid var(--case-bronze);
    font-size: 0.86rem;
}

.finding-figure {
    margin: 0;
    padding: 14px;
    background: #fff;
    border: 1px solid var(--line);
    box-shadow: 16px 18px 0 rgba(141, 64, 88, 0.055);
}

.finding-figure img {
    width: 100%;
}

.finding-figure figcaption {
    margin-top: 13px;
}

.uncertainty-section {
    color: #fff;
    background: var(--case-plum-deep);
}

.uncertainty-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(460px, 1fr);
    align-items: center;
    gap: 58px;
}

.uncertainty-layout h2 {
    max-width: 650px;
    color: #fff;
    font-size: clamp(2.45rem, 3.8vw, 3.75rem);
    line-height: 1;
}

.uncertainty-layout > div:first-child > p:last-child {
    color: #c8b7be;
}

.interval-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1px;
    background: rgba(255, 255, 255, 0.12);
}

.interval-cards article {
    padding: 26px 23px;
    background: #35202b;
}

.interval-cards span,
.interval-cards p {
    color: #c8b7be;
    font-size: 0.76rem;
}

.interval-cards strong,
.interval-cards b {
    display: block;
}

.interval-cards strong {
    margin: 14px 0 23px;
    color: #e3b48e;
    font-size: 2.45rem;
    font-weight: 500;
}

.interval-cards p {
    margin-bottom: 3px;
}

.interval-cards b {
    color: #fff;
    font-family: inherit;
    font-size: 0.9rem;
}

.data-section {
    background: var(--case-wash);
}

.data-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.68fr) minmax(560px, 1.08fr);
    align-items: start;
    gap: 58px;
}

.data-copy h2 {
    font-size: clamp(2.45rem, 3.8vw, 3.65rem);
    line-height: 1;
}

.data-copy > p:last-child {
    color: var(--muted);
}

.data-table-wrap {
    overflow-x: auto;
    background: var(--case-paper);
    border: 1px solid var(--line);
}

.data-table-wrap table {
    width: 100%;
    min-width: 590px;
    border-collapse: collapse;
}

.data-table-wrap th,
.data-table-wrap td {
    padding: 15px 18px;
    text-align: left;
    border-bottom: 1px solid var(--line);
}

.data-table-wrap th {
    color: var(--case-bronze);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.data-table-wrap td {
    color: var(--muted);
    font-size: 0.86rem;
}

.data-table-wrap code {
    color: var(--case-plum);
    font-weight: 700;
}

.limitations-section {
    background: var(--case-paper);
}

.limitations-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.limitations-grid article {
    min-height: 165px;
    padding: 23px;
    background: var(--case-wash);
    border-top: 3px solid var(--case-bronze);
}

.limitations-grid span,
.next-data span {
    color: var(--case-plum);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.limitations-grid p {
    margin-top: 22px;
    color: var(--muted);
}

.next-data {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    margin-top: 22px;
    padding: 22px;
    gap: 22px;
    background: rgba(173, 112, 73, 0.1);
    border-left: 3px solid var(--case-bronze);
}

.next-data p {
    margin: 0;
    color: var(--muted);
}

.technical-section {
    color: #fff;
    background:
        radial-gradient(circle at 86% 18%, rgba(173, 112, 73, 0.2), transparent 28%),
        linear-gradient(135deg, #281720, #402330);
}

.technical-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(450px, 0.8fr);
    align-items: center;
    gap: 58px;
}

.technical-layout h2 {
    max-width: 700px;
    color: #fff;
    font-size: clamp(2.45rem, 3.8vw, 3.75rem);
    line-height: 1;
}

.technical-layout > div:first-child > p:not(.case-index) {
    max-width: 700px;
    color: #c8b7be;
}

.technical-section .case-text-link {
    color: #e3b48e;
}

.code-window {
    overflow: hidden;
    background: #161016;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 22px 24px 0 rgba(141, 64, 88, 0.15);
}

.code-window > div {
    display: flex;
    align-items: center;
    height: 42px;
    padding: 0 18px;
    gap: 8px;
    background: rgba(255, 255, 255, 0.04);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.code-window i {
    width: 8px;
    height: 8px;
    background: #8d4058;
    border-radius: 50%;
}

.code-window i:nth-child(2) { background: #ad7049; }
.code-window i:nth-child(3) { background: #68516d; }

.code-window > div span {
    margin-left: auto;
    color: #9c8e95;
    font-size: 0.7rem;
}

.code-window pre {
    margin: 0;
    padding: 25px 24px;
    overflow-x: auto;
    color: #d8ced2;
    font-size: 0.78rem;
    line-height: 1.85;
}

.code-window code span,
.code-window code b {
    color: #e3b48e;
}

@media (max-width: 1080px) {
    .case-hero-layout,
    .case-intro-layout,
    .quality-layout,
    .uncertainty-layout,
    .data-layout,
    .technical-layout {
        gap: 58px;
    }

    .case-hero-layout {
        grid-template-columns: minmax(0, 1fr) minmax(360px, 0.7fr);
    }

    .question-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .method-flow {
        grid-template-columns: repeat(3, 1fr);
        gap: 1px;
        background: rgba(255, 255, 255, 0.1);
        border-top: 0;
    }

    .method-flow li {
        background: #33202b;
        border: 0;
    }

    .method-flow li::before {
        top: 24px;
    }

    .method-flow li > span {
        padding-left: 25px;
    }

    .finding-row {
        grid-template-columns: minmax(0, 0.7fr) minmax(430px, 1fr);
        gap: 45px;
    }

    .limitations-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .case-hero-layout,
    .case-intro-layout,
    .quality-layout,
    .uncertainty-layout,
    .data-layout,
    .technical-layout,
    .finding-row {
        grid-template-columns: 1fr;
    }

    .case-hero-card,
    .quality-score,
    .code-window {
        width: min(100%, 680px);
    }

    .case-intro-copy {
        padding-top: 0;
    }

    .case-heading {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .case-heading > p:last-child {
        grid-column: 1;
        grid-row: auto;
        margin-top: 16px;
    }

    .finding-row-reverse .finding-copy {
        order: 0;
    }

    .finding-row {
        padding: 48px 0;
    }

    .data-layout {
        gap: 32px;
    }
}

@media (max-width: 680px) {
    .case-section {
        padding: 54px 0;
    }

    .case-hero {
        min-height: 0;
        padding: 40px 0 52px;
    }

    .case-hero-layout {
        min-height: 0;
        gap: 34px;
    }

    .case-breadcrumb {
        margin-bottom: 22px;
    }

    .case-hero h1 {
        font-size: clamp(2.8rem, 13vw, 3.8rem);
    }

    .case-deck {
        font-size: 1rem;
    }

    .case-hero-card {
        min-height: 0;
        padding: 24px 21px;
        box-shadow: 13px 15px 0 rgba(141, 64, 88, 0.08), var(--shadow-lg);
    }

    .hero-card-heading {
        align-items: flex-start;
        flex-direction: column;
        gap: 4px;
    }

    .hero-card-total strong {
        font-size: clamp(2.55rem, 12vw, 3.45rem);
    }

    .case-intro-layout h2,
    .case-heading h2,
    .explorer-heading h2,
    .quality-copy h2,
    .uncertainty-layout h2,
    .data-copy h2,
    .technical-layout h2 {
        font-size: clamp(2.15rem, 9.5vw, 3rem);
    }

    .case-intro-copy .case-lead {
        font-size: 1.35rem;
    }

    .question-grid,
    .method-flow,
    .interval-cards,
    .limitations-grid {
        grid-template-columns: 1fr;
    }

    .question-grid li {
        min-height: 0;
    }

    .method-flow li {
        min-height: 160px;
    }

    .quality-score {
        padding: 28px 24px;
        box-shadow: 12px 14px 0 rgba(141, 64, 88, 0.055);
    }

    .quality-copy ul {
        grid-template-columns: 1fr;
    }

    .explorer-heading {
        align-items: flex-start;
        flex-direction: column;
    }

    .data-explorer {
        padding: 24px 18px 20px;
    }

    .explorer-summary {
        grid-template-columns: 1fr;
        gap: 4px;
    }

    .explorer-summary > p {
        margin: 0;
    }

    .explorer-plot-wrap {
        height: 245px;
    }

    .explorer-instruction {
        margin-left: 0;
    }

    .finding-row {
        padding: 42px 0;
        gap: 27px;
    }

    .finding-copy h3 {
        font-size: clamp(1.95rem, 8.5vw, 2.65rem);
    }

    .finding-figure {
        padding: 10px;
        box-shadow: 9px 10px 0 rgba(141, 64, 88, 0.055);
    }

    .next-data {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .code-window {
        box-shadow: 11px 12px 0 rgba(141, 64, 88, 0.15);
    }

    .code-window pre {
        padding: 23px 19px;
        font-size: 0.72rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .hero-sparkline i {
        animation: none;
    }

    .daily-bar > i {
        transition: none;
    }
}


/* =========================================================
   FINAL COMPACT + INTERACTION PASS — 2026-09-03
========================================================= */

.case-hero-card,
.question-grid li,
.method-flow li,
.quality-score,
.data-explorer,
.finding-figure,
.interval-cards article,
.limitations-grid article,
.next-data,
.data-table-wrap,
.code-window {
    transition: transform 240ms ease, box-shadow 240ms ease, border-color 240ms ease, background 240ms ease;
}

@media (min-width: 901px) {
    .case-section {
        padding: 52px 0;
    }

    .case-hero {
        padding: 42px 0 48px;
    }

    .case-hero-layout {
        min-height: 400px;
        gap: 42px;
    }

    .case-hero h1 {
        font-size: clamp(3rem, 4.45vw, 4.45rem);
    }

    .case-hero-card {
        min-height: 335px;
        padding: 23px;
        box-shadow: 18px 20px 0 rgba(141, 64, 88, 0.07), 0 24px 58px rgba(57, 31, 44, 0.16);
    }

    .hero-card-total {
        padding: 17px 0 15px;
    }

    .hero-card-total strong {
        font-size: clamp(2.35rem, 3.4vw, 3.15rem);
    }

    .hero-card-metrics > div {
        padding: 10px 10px;
    }

    .hero-sparkline {
        height: 42px;
    }

    .case-heading {
        margin-bottom: 28px;
    }

    .case-heading h2,
    .explorer-heading h2,
    .quality-copy h2,
    .uncertainty-layout h2,
    .data-copy h2,
    .technical-layout h2 {
        font-size: clamp(2.05rem, 3vw, 3rem);
    }

    .question-grid li {
        min-height: 132px;
        padding: 18px;
    }

    .question-grid p {
        margin-top: 16px;
        font-size: 1rem;
    }

    .method-flow li {
        min-height: 145px;
        padding: 19px 16px 0;
    }

    .method-flow strong {
        margin: 24px 0 7px;
        font-size: 1.15rem;
    }

    .quality-layout {
        grid-template-columns: minmax(310px, 0.62fr) minmax(0, 1.08fr);
        gap: 48px;
    }

    .quality-score {
        padding: 27px;
        box-shadow: 14px 16px 0 rgba(141, 64, 88, 0.05);
    }

    .quality-score > strong {
        margin: 10px 0 16px;
        font-size: clamp(3.35rem, 5.4vw, 5rem);
    }

    .explorer-heading {
        margin-bottom: 24px;
    }

    .data-explorer {
        padding: 21px 25px 18px;
    }

    .explorer-summary {
        padding-bottom: 15px;
    }

    .explorer-plot-wrap {
        height: 220px;
    }

    .finding-row {
        padding: 36px 0;
        gap: 40px;
    }

    .finding-copy h3 {
        font-size: clamp(1.75rem, 2.45vw, 2.45rem);
    }

    .finding-stat {
        margin: 16px 0 14px;
        padding: 12px 0;
    }

    .finding-figure {
        padding: 10px;
        box-shadow: 11px 12px 0 rgba(141, 64, 88, 0.05);
    }

    .interval-cards article {
        padding: 19px 17px;
    }

    .interval-cards strong {
        margin: 9px 0 15px;
        font-size: 2rem;
    }

    .data-layout {
        grid-template-columns: minmax(0, 0.62fr) minmax(520px, 1.08fr);
        gap: 44px;
    }

    .data-table-wrap th,
    .data-table-wrap td {
        padding: 11px 14px;
    }

    .limitations-grid article {
        min-height: 132px;
        padding: 18px;
    }

    .limitations-grid p {
        margin-top: 15px;
    }

    .next-data {
        margin-top: 16px;
        padding: 17px 18px;
    }

    .technical-layout {
        gap: 44px;
    }

    .code-window pre {
        padding: 20px;
        line-height: 1.65;
    }
}

@media (hover: hover) and (pointer: fine) {
    .case-hero-card:hover,
    .quality-score:hover,
    .data-explorer:hover,
    .next-data:hover,
    .data-table-wrap:hover,
    .code-window:hover {
        border-color: rgba(141, 64, 88, 0.28);
        box-shadow: 0 18px 38px rgba(57, 31, 44, 0.12);
        transform: translateY(-4px);
    }

    .question-grid li:hover,
    .method-flow li:hover,
    .interval-cards article:hover,
    .limitations-grid article:hover {
        z-index: 1;
        transform: translateY(-4px);
    }

    .question-grid li:hover,
    .limitations-grid article:hover {
        background: #fff;
        box-shadow: 0 14px 28px rgba(57, 31, 44, 0.08);
    }

    .method-flow li:hover,
    .interval-cards article:hover {
        background: rgba(255, 255, 255, 0.045);
    }

    .finding-row:hover .finding-figure {
        border-color: rgba(141, 64, 88, 0.24);
        box-shadow: 0 16px 30px rgba(57, 31, 44, 0.09);
        transform: translateY(-4px) scale(1.008);
    }
}

@media (max-width: 680px) {
    .case-section {
        padding: 42px 0;
    }

    .case-hero {
        padding: 34px 0 42px;
    }

    .case-hero-card {
        padding: 20px 18px;
    }

    .question-grid li {
        padding: 18px;
    }

    .method-flow li {
        min-height: 130px;
        padding: 18px 17px 0;
    }

    .method-flow strong {
        margin-top: 23px;
    }

    .quality-score {
        padding: 22px 20px;
    }

    .data-explorer {
        padding: 20px 16px 17px;
    }

    .explorer-plot-wrap {
        height: 220px;
    }

    .finding-row {
        padding: 32px 0;
    }

    .interval-cards article,
    .limitations-grid article {
        min-height: 0;
        padding: 18px;
    }

    .interval-cards strong {
        margin: 9px 0 14px;
        font-size: 2rem;
    }

    .limitations-grid p {
        margin-top: 14px;
    }

    .next-data {
        grid-template-columns: 1fr;
        padding: 17px;
        gap: 8px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .case-hero-card,
    .question-grid li,
    .method-flow li,
    .quality-score,
    .data-explorer,
    .finding-figure,
    .interval-cards article,
    .limitations-grid article,
    .next-data,
    .data-table-wrap,
    .code-window {
        transition: none;
    }

    .case-hero-card:hover,
    .question-grid li:hover,
    .method-flow li:hover,
    .quality-score:hover,
    .data-explorer:hover,
    .finding-row:hover .finding-figure,
    .interval-cards article:hover,
    .limitations-grid article:hover,
    .next-data:hover,
    .data-table-wrap:hover,
    .code-window:hover {
        transform: none;
    }
}