/* Case study layout — unified track aligned to mockup/image cards (Backoffice reference: 820px) */
.case-study-page {
  --cs-track: min(100%, 820px);
  --cs-pad: 16px;
  --cs-title: clamp(32px, 5.8vw, 56px);
  --cs-subtitle: clamp(14px, 1.2vw, 17px);
  --cs-subsection: clamp(16px, 1.4vw, 20px);
  --cs-body: clamp(16px, 1.45vw, 20px);
  --cs-small: 12px;
  --cs-caption: 13px;
  --cs-section-space: clamp(40px, 5vw, 56px);
  --cs-stack-xl: clamp(28px, 3.5vw, 36px);
  --cs-stack-lg: clamp(20px, 2.5vw, 28px);
  --cs-stack-md: clamp(16px, 2vw, 24px);
  --cs-block-space: clamp(12px, 1.5vw, 16px);
  --cs-stack-sm: clamp(8px, 1vw, 12px);
  --cs-icon-size: 44px;
  --cs-icon-gap: clamp(12px, 1.6vw, 16px);
  --cs-radius-media: 16px;
  background: #ffffff;
  color: #000000;
  font-family: 'Inter', sans-serif;
  font-size: var(--cs-body);
  line-height: 1.2;
  letter-spacing: -0.04em;
}

/* One shared column: hero, copy, and image cards share the same width and horizontal position */
.case-study-page .hero,
.case-study-page .hero-image,
.case-study-page .content,
.case-study-page .content--pos-ds,
.case-study-page .content--design-system,
.case-study-page .pos-affinity-strip {
  box-sizing: border-box;
  width: 100%;
  max-width: var(--cs-track);
  margin-left: auto;
  margin-right: auto;
  padding-left: 0;
  padding-right: 0;
}

.case-study-page .hero {
  margin-top: clamp(48px, 8vw, 80px);
  margin-bottom: var(--cs-section-space);
  padding: 0;
}

.case-study-page .hero-tag {
  display: none;
}

.case-study-page .hero-image {
  margin-bottom: var(--cs-section-space);
  padding: 0;
}

.case-study-page .content,
.case-study-page .content--pos-ds {
  padding: 0 0 clamp(40px, 5vw, 64px);
  perspective: none;
  transform-style: flat;
}

.case-study-page .section {
  margin-bottom: var(--cs-section-space);
}

.case-study-page .section:last-child {
  margin-bottom: 0;
}

/* ── Vertical rhythm (margins only) ── */
.case-study-page .section > p {
  margin-top: 0;
}

.case-study-page .section > :is(
  .role-block,
  .pain-grid,
  .findings-list,
  .pos-device-list,
  .process-steps,
  .lessons-list,
  .results-grid,
  .results-grid--bo-outcomes,
  .mob-results-grid,
  .ab-grid,
  .data-table,
  .wizard-steps,
  .screens-section,
  .proto-embed,
  .quote-block,
  .case-study-figure,
  .case-inline-subsection,
  .persona-block,
  .hc-case-study-media,
  .hc-methods-persona,
  .hc-reveal-journey,
  .mob-logo-row,
  .mob-onboard-grid,
  .mob-findings-row,
  .mob-comp-grid,
  .mob-card-sort,
  .mob-decision,
  .mob-methods-grid,
  .mob-persona,
  .mob-solution-list,
  .mob-insight,
  .mob-journey-wrap,
  .mob-reflection-grid,
  .reveal-media
) {
  margin-top: var(--cs-stack-lg);
}

.case-study-page .section > .section-header + :is(
  .role-block,
  .pain-grid,
  .findings-list,
  .pos-device-list,
  .process-steps,
  .lessons-list,
  .results-grid,
  .results-grid--bo-outcomes,
  .mob-results-grid,
  .ab-grid,
  .data-table,
  .wizard-steps,
  .screens-section,
  .proto-embed,
  .quote-block,
  .case-study-figure,
  .case-inline-subsection,
  .persona-block,
  .hc-case-study-media,
  .hc-methods-persona,
  .hc-reveal-journey,
  .mob-logo-row,
  .mob-onboard-grid,
  .mob-findings-row,
  .mob-comp-grid,
  .mob-card-sort,
  .mob-decision,
  .mob-methods-grid,
  .mob-persona,
  .mob-solution-list,
  .mob-insight,
  .mob-journey-wrap,
  .mob-reflection-grid,
  .reveal-media,
  p
) {
  margin-top: 0;
}

.case-study-page .section > .screens-section + .screens-section {
  margin-top: var(--cs-stack-md);
}

.case-study-page .section > .quote-block + .quote-block,
.case-study-page .section > .case-inline-subsection + .case-inline-subsection {
  margin-top: var(--cs-stack-md);
}

.case-study-page .section > :first-child {
  margin-top: 0;
}

.case-study-page .hc-methods-persona {
  margin-top: var(--cs-stack-xl);
}

.case-study-page .hc-reveal-journey {
  margin-bottom: var(--cs-stack-lg);
}

.case-study-page #user-journey > p {
  margin-top: var(--cs-stack-lg);
  margin-bottom: 0;
}

.case-study-page #external-devices > .screens-section:first-of-type {
  margin-top: 0;
  margin-bottom: var(--cs-stack-lg);
}

.case-study-page .pos-transformation .content.case-main {
  width: 100%;
  max-width: var(--cs-track);
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--cs-stack-md);
  padding-top: var(--cs-stack-lg);
  padding-bottom: var(--cs-stack-md);
}

.case-study-page .ds-sheet-figure {
  margin: 0 0 var(--cs-stack-lg);
}

.case-study-page .ds-sheet-figure:last-child {
  margin-bottom: 0;
}

.case-study-page .case-study-figure {
  margin-top: var(--cs-stack-lg);
  margin-bottom: var(--cs-stack-lg);
}

.case-study-page .case-study-figure:last-child {
  margin-bottom: 0;
}

.case-study-page .screens-section > .screens-grid {
  margin-top: 0;
}

.case-study-page .screens-section > .screens-label + .screens-grid,
.case-study-page .screens-section > p + .screens-grid,
.case-study-page .screens-section > .screens-grid + .screens-grid {
  margin-top: var(--cs-stack-md);
}

.case-study-page .screens-section > .screens-label {
  margin-top: var(--cs-stack-lg);
  margin-bottom: var(--cs-stack-sm);
}

.case-study-page .screens-section > .screens-label:first-child {
  margin-top: 0;
}

.case-study-page .hero-image .image-caption {
  margin-top: 0;
  margin-bottom: var(--cs-stack-sm);
}

.case-study-page .section > .image-caption {
  margin-top: var(--cs-stack-sm);
  margin-bottom: var(--cs-stack-lg);
}

.case-study-page .section > .section-header + .image-caption {
  margin-top: 0;
}

.case-study-page .section > .reveal-media + .image-caption {
  margin-top: var(--cs-stack-sm);
}

.case-study-page .section > .image-caption + .section-header {
  margin-top: 0;
}

/* Section children fill the shared track — same left edge as rounded image cards */
.case-study-page .hero > *,
.case-study-page .section > * {
  box-sizing: border-box;
  width: 100%;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
}

/* Page title + section chapters share sizing; font families differ (hero = Destine) */
.case-study-page .hero h1,
.case-study-page .section-chapter {
  font-size: var(--cs-title);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: #000000;
  text-transform: none;
  font-style: normal;
  text-align: left;
  max-width: 100%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
}

.case-study-page .hero h1,
.case-study-page .section-chapter {
  font-family: var(--page-title, 'Destine', 'Sora', sans-serif);
}

.case-study-page .hero h1 {
  margin-bottom: clamp(14px, 2vw, 20px);
}

.case-study-page .hero h1 em {
  font-style: normal;
  color: inherit;
}

.case-study-page .hero-subtitle,
.case-study-page .section-headings .section-subtitle {
  font-family: 'Inter', sans-serif;
  font-size: var(--cs-subtitle);
  font-weight: 400;
  font-style: normal;
  line-height: 1.35;
  letter-spacing: -0.03em;
  color: rgba(0, 0, 0, 0.6);
  text-align: left;
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
}

.case-study-page .hero-subtitle {
  margin-bottom: clamp(18px, 2.5vw, 28px);
}

.case-study-page .meta-strip {
  display: flex;
  flex-wrap: nowrap;
  gap: 0;
  width: 100%;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 12px;
  overflow: hidden;
  background: #ffffff;
  margin-bottom: var(--cs-section-space);
}

.case-study-page .meta-item {
  flex: 1 1 0;
  min-width: 0;
  padding: clamp(16px, 2vw, 20px) clamp(14px, 2vw, 24px);
  border: none;
  border-right: 1px solid rgba(0, 0, 0, 0.12);
}

.case-study-page .meta-item:last-child {
  border-right: none;
}

.case-study-page .meta-label {
  font-family: 'Inter', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  line-height: 1.4;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.45);
  margin-bottom: 6px;
}

.case-study-page .meta-value {
  font-family: 'Inter', sans-serif;
  font-size: clamp(13px, 1.2vw, 14px);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.35;
  color: #000000;
}

.case-study-page .section-header {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(12px, 1.5vw, 16px);
  padding: 0 0 clamp(14px, 2vw, 18px);
  text-align: left;
}

.case-study-page .section-icon {
  flex-shrink: 0;
  width: var(--cs-icon-size);
  height: var(--cs-icon-size);
  margin-top: 0.1em;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: #ffffff;
  color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-study-page .section-icon svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.case-study-page .section-headings {
  flex: 1;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: clamp(6px, 1vw, 10px);
  text-align: left;
  padding-left: 0;
  margin-left: 0;
}

.case-study-page .section-chapter {
  margin: 0;
}

.case-study-page .content p:not(.screen-caption):not(.image-caption),
.case-study-page .hero-subtitle,
.case-study-page .section-headings .section-subtitle,
.case-study-page .case-inline-subsection p {
  margin-bottom: var(--cs-block-space);
}

.case-study-page .content p:last-child,
.case-study-page .case-inline-subsection > p:last-child {
  margin-bottom: 0;
}

.case-study-page .content p:not(.screen-caption):not(.image-caption),
.case-study-page .role-list li,
.case-study-page .pain-card p,
.case-study-page .finding-text,
.case-study-page .lesson-text p,
.case-study-page .quote-block p {
  font-family: 'Inter', sans-serif;
  font-size: var(--cs-body);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.04em;
  color: rgba(0, 0, 0, 0.8);
}

.case-study-page .content p strong,
.case-study-page .role-list li::before {
  color: #000000;
}

/* In-content subheadings (no icons) */
.case-study-page h3.bo-subchapter,
.case-study-page h3.screens-label,
.case-study-page h3.pos-aff-heading,
.case-study-page h3.hc-persona-subsection-title,
.case-study-page .screens-section > .screens-label {
  font-family: 'Inter', sans-serif;
  font-size: var(--cs-subsection);
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.04em;
  color: rgba(0, 0, 0, 0.85);
  text-transform: none;
  text-align: left;
  margin-top: clamp(20px, 3vw, 32px);
  margin-bottom: var(--cs-block-space);
}

.case-study-page h3.bo-subchapter:first-of-type,
.case-study-page .section-header + h3.bo-subchapter {
  margin-top: 0;
}

.case-study-page .case-inline-subsection h3.screens-label {
  margin-top: 0;
  margin-bottom: clamp(10px, 1.5vw, 14px);
  font-size: clamp(18px, 1.75vw, 22px);
  font-weight: 600;
  color: #000000;
  letter-spacing: -0.03em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.case-study-page .case-inline-subsection {
  padding: clamp(20px, 2.5vw, 28px);
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 12px;
  background: rgba(245, 235, 227, 0.38);
}

.case-study-page .pain-card h4,
.case-study-page .lesson-text h4,
.case-study-page .role-block h4 {
  font-family: 'Inter', sans-serif;
  font-size: var(--cs-body);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1.2;
  text-transform: none;
  color: #000000;
}

.case-study-page .quote-block {
  border-left: 2px solid rgba(0, 0, 0, 0.12);
  background: transparent;
  border-radius: 0;
  padding: 0 0 0 14px;
  margin-top: var(--cs-stack-lg);
  margin-bottom: 0;
}

.case-study-page .quote-block cite {
  font-family: 'Inter', sans-serif;
  font-size: var(--cs-small);
  color: rgba(0, 0, 0, 0.55);
}

.case-study-page .role-block,
.case-study-page .pain-card,
.case-study-page .finding-item,
.case-study-page .lesson-item {
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 6px;
  background: #ffffff;
}

.case-study-page .divider {
  display: none;
}

/* Media — same track width; rounded card treatment like Backoffice */
.case-study-page .hero-media {
  width: 100%;
  gap: clamp(12px, 2vw, 16px);
}

.case-study-page .hero-video-wrap {
  max-width: min(100%, 320px);
}

.case-study-page .case-hero-img,
.case-study-page .hero-image img,
.case-study-page .hero-image picture,
.case-study-page .case-study-figure img,
.case-study-page .case-study-figure picture,
.case-study-page .case-study-figure picture img,
.case-study-page .screen-wrap,
.case-study-page .screen-wrap img,
.case-study-page .ds-img,
.case-study-page .ds-theme-item .ds-img,
.case-study-page .ds-sheet-figure img,
.case-study-page .image-placeholder {
  border-radius: var(--cs-radius-media);
}

.case-study-page .case-hero-img,
.case-study-page .hero-image .case-hero-img,
.case-study-page .case-study-figure img,
.case-study-page .case-study-figure picture img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  box-shadow: 0 4px 24px rgba(26, 42, 90, 0.1);
}

.case-study-page .proto-embed {
  margin-top: var(--cs-stack-lg);
}

.case-study-page .screens-grid {
  gap: clamp(10px, 1.4vw, 14px);
  width: 100%;
}

.case-study-page .screen-wrap {
  overflow: hidden;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background: #ffffff;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

/* Override per-page inline max-width caps so copy uses the full track */
.case-study-page .hero-subtitle,
.case-study-page .section-subtitle,
.case-study-page .result-card__bo-text,
.case-study-page .result-card--bo-nostat .result-card__detail,
.case-study-page .bo-validation-insight__text,
.case-study-page .proto-poster-h {
  max-width: 100%;
}

.case-study-page .hero-image picture,
.case-study-page .case-study-figure,
.case-study-page .case-study-figure picture {
  display: block;
  width: 100%;
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
}

/* Under-image captions — secondary metadata below mockups */
.case-study-page .content p.screen-caption,
.case-study-page .content p.image-caption,
.case-study-page .screen-caption,
.case-study-page .image-caption {
  font-family: 'Inter', sans-serif;
  font-size: var(--cs-caption);
  font-weight: 300;
  font-style: italic;
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: #666666;
  text-align: center;
  margin-top: var(--cs-stack-sm);
  margin-bottom: 0;
  padding: 0 4px;
}

.case-study-page .screen-item > .screen-caption:last-child,
.case-study-page .image-caption:last-child {
  margin-bottom: 0;
}

/* Override per-page negative caption spacing on design-system sheets */
.case-study-page .mob-insight + .mob-scan-feedback {
  margin-top: var(--cs-stack-lg);
}

.case-study-page .content--pos-ds .ds-sheet-figure + .screen-caption {
  margin-top: var(--cs-stack-sm);
}

/* Above-image figure labels (distinct from under-image captions) */
.case-study-page .case-study-figure > figcaption,
.case-study-page .ds-sheet-figure > figcaption {
  font-family: 'Inter', sans-serif;
  font-size: var(--cs-small);
  font-weight: 600;
  font-style: normal;
  line-height: 1.35;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(0, 0, 0, 0.55);
  text-align: left;
  margin: 0 0 14px;
}

@media (max-width: 859.98px) {
  .case-study-page {
    --cs-pad: 12px;
    --cs-icon-size: 40px;
  }

  .case-study-page .hero,
  .case-study-page .hero-image,
  .case-study-page .content,
  .case-study-page .content--pos-ds,
  .case-study-page .content--design-system,
  .case-study-page .pos-affinity-strip {
    max-width: 100%;
    padding-left: var(--cs-pad);
    padding-right: var(--cs-pad);
  }

  .case-study-page .section-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .case-study-page .meta-strip {
    flex-direction: column;
    gap: 0;
  }

  .case-study-page .meta-item {
    border-right: none;
    border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  }

  .case-study-page .meta-item:last-child {
    border-bottom: none;
  }

  .case-study-page .pain-grid,
  .case-study-page .results-grid,
  .case-study-page .results-grid--bo-outcomes,
  .case-study-page .mob-results-grid,
  .case-study-page .ab-grid,
  .case-study-page .flow-grid,
  .case-study-page .wizard-steps,
  .case-study-page .ds-theme-row,
  .case-study-page .screens-grid.col-3,
  .case-study-page .screens-grid.col-2,
  .case-study-page .mob-findings-row,
  .case-study-page .mob-comp-grid,
  .case-study-page .mob-onboard-grid,
  .case-study-page .mob-methods-grid,
  .case-study-page .mob-reflection-grid {
    grid-template-columns: 1fr;
  }

  .case-study-page .hero-media {
    grid-template-columns: 1fr;
  }

  .case-study-page .result-card--featured,
  .case-study-page .result-card--bo {
    grid-template-columns: 1fr;
  }

  .case-study-page .pos-ujm-steps,
  .case-study-page .hc-ujm-steps {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
  }
}

@media (max-width: 680px) {
  .case-study-page .hero h1,
  .case-study-page .section-chapter,
  .case-study-page .case-inline-subsection h3.screens-label {
    white-space: normal;
    overflow: visible;
    text-overflow: clip;
    text-wrap: balance;
    font-size: clamp(1.45rem, 5.2vw, 2.2rem);
  }

  .case-study-page .section-icon {
    width: 40px;
    height: 40px;
  }

  .case-study-page .section-icon svg {
    width: 18px;
    height: 18px;
  }
}