/* Case study pages — shared layout (copy and media filled in from Figma later) */

.case-study {
    padding-top: 5.5rem;
    min-height: 100vh;
}

.case-study-hero.section-padding {
    padding-top: 3rem;
    padding-bottom: 2rem;
}

.case-study-label {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.case-study-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: var(--heading-40-tracking);
    color: var(--color-text);
    margin-bottom: 1.25rem;
    text-wrap: balance;
}

.case-study-lede {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 500;
    line-height: 1.5;
    color: var(--color-text);
}

.cs-hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.cs-hero-tags .metric-pill {
    font-size: 0.8rem;
    padding: 0.4rem 0.95rem;
    box-shadow: 2px 3px 8px rgba(0, 0, 0, 0.04);
}

.cs-fact-grid,
.cs-result-grid,
.cs-figure-grid {
    display: grid;
    gap: 1.5rem;
    margin-top: 2rem;
}

.cs-fact-grid {
    grid-template-columns: repeat(3, 1fr);
}

.cs-result-grid {
    grid-template-columns: repeat(3, 1fr);
}

.cs-result-grid + .case-study-prose {
    margin-top: 1.75rem;
}

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

/* Full-width first figure, optional narrower follow-up (e.g. tall mobile screen) */
.cs-figure-grid--stacked {
    grid-template-columns: 1fr;
}

.cs-figure-grid--stacked .case-study-figure--supporting {
    max-width: min(32rem, 100%);
    margin-left: auto;
    margin-right: auto;
}

.cs-ia-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.cs-ia-options .cs-card {
    transform: none;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.cs-ia-chosen-label {
    margin-top: 0.75rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
}

.cs-figure-grid--three {
    grid-template-columns: repeat(3, 1fr);
}

.case-study-article {
    padding-bottom: 4rem;
}

.case-study-section {
    padding-top: 3rem;
    padding-bottom: 1rem;
}

/* Whiteboard specific classes */
.cs-board-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 2.25rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .cs-board-grid {
        grid-template-columns: 1fr;
    }

    .cs-card,
    .cs-sticky {
        padding: calc(var(--card-padding) * 0.67);
    }
}

.cs-card {
    background: #fff;
    border-radius: var(--card-radius);
    padding: var(--card-padding);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    position: relative;
}

.cs-card p,
.cs-card ul {
    font-family: var(--font-body);
    line-height: 1.6;
}

.cs-card ul {
    padding-left: 1.25rem;
}

.cs-card.tilted-right { transform: rotate(1deg); }
.cs-card.tilted-left { transform: rotate(-1deg); }

.cs-sticky {
    padding: var(--card-padding);
    border-radius: var(--card-radius);
    background-color: var(--note-bg, #fff);
    box-shadow: var(--sticky-shadow);
    color: var(--color-text);
    position: relative;
    font-family: var(--font-body);
}

.cs-sticky.tilted-left { transform: rotate(-2deg); }
.cs-sticky.tilted-right { transform: rotate(2deg); }

/* Small label above card title (FigJam: team = eyebrow, first sentence = title) */
.cs-card-eyebrow {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: color-mix(in srgb, var(--color-text) 55%, transparent);
    margin: 0 0 0.4rem;
}

.cs-card:has(.cs-card-eyebrow) h3 {
    font-size: clamp(1.1rem, 1.1rem + 0.2vw, 1.2rem);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.01em;
    margin-top: 0.15rem;
    margin-bottom: 0.6rem;
}

.cs-card h3,
.cs-sticky h3 {
    font-family: var(--font-heading);
    font-size: var(--card-title-size);
    font-weight: 700;
    line-height: var(--card-title-line-height);
    letter-spacing: var(--card-title-tracking);
    margin-bottom: 0.75rem;
}

.cs-sticky p {
    font-size: var(--card-body-size);
    line-height: var(--card-body-line-height);
}

.cs-section-label {
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text);
    margin-bottom: 0.75rem;
    display: block;
}

.case-study-section h2 {
    font-family: var(--font-heading);
    font-size: 40px; /* same as section-title on homepage */
    font-weight: 400;
    letter-spacing: var(--heading-40-tracking);
    color: var(--color-text);
    margin-bottom: 2rem;
}

/* Process table (Merging / Canvas: two columns, no header — Step n: + body) */
.cs-table-wrap {
    width: 100%;
    margin-top: 0.5rem;
    margin-bottom: 0;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table.cs-process-table {
    width: 100%;
    min-width: 0;
    table-layout: fixed;
    border-collapse: collapse;
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.55;
    color: var(--color-text);
    background: var(--work-surface);
    border: 1px solid var(--color-border);
    border-radius: calc(var(--card-radius) / 2);
}

table.cs-process-table th,
table.cs-process-table td {
    padding: 1rem 1.25rem;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--color-border);
}

table.cs-process-table tbody tr:last-child th,
table.cs-process-table tbody tr:last-child td {
    border-bottom: none;
}

table.cs-process-table th[scope="row"] {
    width: 4.5rem;
    min-width: 4.5rem;
    max-width: 5.5rem;
    padding-right: 0.75rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.4;
    color: color-mix(in srgb, var(--color-text) 70%, transparent);
    white-space: nowrap;
}

table.cs-process-table td p {
    margin: 0 0 0.6rem;
}

table.cs-process-table td p:last-child {
    margin-bottom: 0;
}

.cs-process-step-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-text);
}

.cs-process-step-desc {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.55;
    color: var(--color-text);
}

.cs-process-step-outcome {
    font-family: var(--font-body);
    font-size: 0.95rem;
    line-height: 1.5;
    font-style: italic;
    color: color-mix(in srgb, var(--color-text) 80%, transparent);
    padding-top: 0.15rem;
    margin-top: 0.1rem;
}

.case-study-prose {
    font-family: var(--font-body);
    font-size: 18px; /* matched homepage body size */
    line-height: 1.65;
    color: var(--color-text);
}

.cs-result-card {
    background-color: var(--work-surface);
    border-radius: var(--card-radius);
    padding: 1.5rem;
    font-family: var(--font-body);
}

.cs-result-card strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    line-height: 1.2;
    margin-bottom: 0.35rem;
}

.cs-highlight-box {
    position: relative;
    padding: 2rem;
    margin: 2rem 0;
}

.cs-highlight-box::before {
    content: "";
    position: absolute;
    inset: 0;
    border: 2px dashed rgba(17, 17, 17, 0.2);
    border-radius: calc(var(--card-radius) / 2);
    pointer-events: none;
}

.cs-content-decision {
    margin: 0 0 0.75rem;
}

.cs-content-kicker {
    display: block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(17, 17, 17, 0.45);
    margin-bottom: 0.35rem;
}

.cs-content-line {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 400;
    line-height: 1.35;
    color: var(--color-text);
}

/* Phase 2 results block (aligns with FigJam three-column layout) */
.cs-phase2-result-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem 2rem;
    margin-top: 1.25rem;
}

.cs-phase2-stat-value {
    font-family: var(--font-body);
    font-size: clamp(1.75rem, 2.5vw, 2.5rem);
    font-weight: 500;
    line-height: 1.2;
    color: var(--sticky-aqua-contrast);
    margin: 0 0 0.35rem;
}

.cs-phase2-stat-label {
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.4;
    color: var(--color-text);
    margin: 0;
    font-style: italic;
}

@media (max-width: 768px) {
    .cs-phase2-result-grid {
        grid-template-columns: 1fr;
    }
}

/* Learnings: metrics row (FigJam) + narrative + second topic within same section */
.cs-learnings-metrics {
    background: var(--work-surface);
    border: 1px solid var(--color-border);
    border-radius: calc(var(--card-radius) / 2);
    padding: 1.5rem 2rem;
    margin-top: 0.5rem;
    margin-bottom: 0;
}

.cs-learnings-metrics .cs-phase2-result-grid {
    margin-top: 0;
}

.cs-learnings-narrative {
    font-family: var(--font-body);
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--color-text);
    margin: 1.5rem 0 0;
}

.cs-learnings-narrative p {
    margin: 0;
}

.case-study-section h2.cs-learnings-subhead {
    margin-top: 3.5rem;
    margin-bottom: 1.5rem;
}

.case-study-section .cs-learnings-subhead + .cs-board-grid {
    margin-top: 0;
    margin-bottom: 2rem;
}

.cs-insight {
    font-family: var(--font-body);
    font-size: 18px;
    color: var(--color-text);
    padding: 1.5rem;
    margin: 2rem 0;
}

/* Sticky-style tints (utilities only set --note-bg); no dashed frame */
.cs-insight:is(.bg-yellow, .bg-peach, .bg-mint) {
    background-color: var(--note-bg);
    border-radius: calc(var(--card-radius) / 2);
}

/* Plain callouts: light bar instead of dashed box */
.cs-insight:not(:is(.bg-yellow, .bg-peach, .bg-mint)) {
    border-left: 3px solid rgba(17, 17, 17, 0.15);
}

.cs-metric-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.cs-img-placeholder {
    width: 100%;
    aspect-ratio: 16/9;
    background-color: rgba(0,0,0,0.03);
    border: 2px dashed rgba(0,0,0,0.1);
    border-radius: calc(var(--card-radius) * 2 / 3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-body);
    font-weight: 500;
    color: rgba(0,0,0,0.4);
    margin: 2rem 0;
}

.case-study-prose p + p {
    margin-top: 1rem;
}

.case-study-figure {
    margin: 2.5rem auto 0;
    max-width: 100%;
}

.case-study-figure img {
    width: 100%;
    height: auto;
    display: block;
    border: 8px solid #fff;
    border-radius: var(--card-radius);
    box-sizing: border-box;
    box-shadow: 4px 12px 30px rgba(0,0,0,0.15), 0 0 0 1px rgba(0,0,0,0.05);
}

.case-study-figure figcaption {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-text);
    margin-top: 0.75rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .cs-fact-grid,
    .cs-result-grid,
    .cs-figure-grid,
    .cs-ia-options,
    .cs-figure-grid--three {
        grid-template-columns: 1fr;
    }
}

.case-study-footer-nav {
    padding-top: 2.5rem;
    padding-bottom: 4rem;
}

.case-study-footer-nav .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: start;
    gap: 1.5rem;
}

.cs-footer-spacer {
    min-height: 1px;
    pointer-events: none;
}

.cs-nav-ico {
    display: block;
    flex-shrink: 0;
    color: currentColor;
}

.cs-nav-ico--wide {
    width: 6.3em;
    height: 2.7em;
}

.cs-nav-ico--up {
    width: 0.85em;
    height: 1.15em;
}

.cs-nav-prev,
.cs-nav-next {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    text-decoration: none;
    color: var(--color-text);
    max-width: 18rem;
}

.cs-nav-prev {
    justify-self: start;
    text-align: left;
}

.cs-nav-prev .cs-nav-label {
    color: var(--accent-blue);
}

.cs-nav-next {
    text-align: right;
    justify-self: end;
}

.cs-nav-next .cs-nav-label {
    color: var(--accent-orange);
}

.cs-nav-label {
    display: inline-flex;
    align-items: center;
    justify-content: flex-start;
    gap: 0.45rem;
    font-family: var(--font-body);
    font-size: 0.78rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: rgba(17, 17, 17, 0.45);
}

.cs-nav-next .cs-nav-label {
    margin-left: auto;
    justify-content: flex-end;
    text-align: right;
}

.cs-nav-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--color-text);
}

.cs-nav-prev:hover .cs-nav-title,
.cs-nav-next:hover .cs-nav-title {
    text-decoration: underline;
}

@media (max-width: 640px) {
    .case-study-footer-nav .container {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }
    .cs-footer-spacer {
        display: none;
    }
    .cs-nav-prev {
        justify-self: start;
        text-align: left;
    }
    .cs-nav-next {
        justify-self: start;
        text-align: left;
        margin-left: 0;
    }
    .cs-nav-next .cs-nav-label {
        margin-left: 0;
        justify-content: flex-start;
        text-align: left;
    }
}