/* Case study pages — Cursor blog layout: static left sidebar + scrollable body */

.case-study {
  --cs-max-width: 52rem;
  --cs-sidebar-width: 10rem;
  --cs-section-gap: 4rem;
  --cs-hero-banner-height: 28vh;
  --cs-hero-banner-height-mobile: 22vh;
  --cs-btn-radius: 16px;
}

/* Case study buttons — consistent 16px radius for larger CTA buttons */
.case-study .btn {
  border-radius: var(--cs-btn-radius);
}

/* Case study pages have no loader — ensure header is visible (override body:not(.loaded)) */
body.case-study .site-header {
  opacity: 1;
  pointer-events: auto;
}

/* Hero banner — narrow full-width image/video between nav and body */
.case-study .cs-hero-banner {
  width: 100%;
  height: var(--cs-hero-banner-height);
  min-height: 180px;
  max-height: 320px;
  overflow: hidden;
  background: var(--bg-secondary);
  margin-top: 52px; /* below fixed nav */
}

.case-study .cs-hero-banner img,
.case-study .cs-hero-banner video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
  display: block;
}

@media (max-width: 720px) {
  .case-study .cs-hero-banner {
    height: var(--cs-hero-banner-height-mobile);
    min-height: 140px;
    max-height: 200px;
    margin-top: 60px; /* taller mobile nav */
  }
}

/* Two-column layout: sidebar (static) + body (scroll) */
.case-study .main-case-study {
  display: grid;
  grid-template-columns: var(--cs-sidebar-width) 1fr;
  gap: 2.5rem;
  max-width: 88rem;
  margin: 0 auto;
  padding: 5rem 2rem 8rem;
  padding-left: calc(var(--content-padding-x) - max(0px, (100vw - 88rem) / 2));
  min-height: calc(100vh - 8rem);
}

/* 404 page — single column, left-aligned */
.case-study .main-404 {
  max-width: 80rem;
  margin: 0 auto;
  padding: 8rem 2rem 10rem;
  min-height: 50vh;
  text-align: left;
}

.case-study .main-404-back {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 3rem;
  transition: color 220ms var(--ease-out);
}

.case-study .main-404-back:hover {
  color: var(--text);
}

.case-study .main-404 h1 {
  font-family: var(--font-display);
  font-size: 4rem;
  font-weight: 600;
  margin: 0 0 1rem;
}

.case-study .main-404 p {
  font-size: 1.25rem;
  color: var(--text-soft);
  margin: 0;
}

/* Left sidebar — sticks at top on scroll */
.case-study .cs-sidebar {
  position: sticky;
  top: 4.5rem; /* below fixed nav (~52px) */
  align-self: start;
  padding-top: 0.25rem;
  z-index: 10;
}

.case-study .cs-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--muted);
  text-decoration: none;
  transition: color 220ms var(--ease-out);
}

.case-study .cs-back:hover {
  color: var(--text);
}

/* Scrollable body column */
.case-study .cs-body-column {
  max-width: var(--cs-max-width);
  min-width: 0;
  overflow-wrap: break-word;
}

/* Hero — title, subtitle, CTA each in own row; project details grid in columns below */
.case-study .cs-hero {
  position: static;
  padding-bottom: 2rem;
  margin-bottom: 0;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.case-study .cs-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6vw, 3.5rem);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin: 0 0 0.75rem;
}

.case-study .cs-hero .cs-tagline {
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-soft);
  margin: 0 0 2rem;
  max-width: 55ch;
}

/* Hero CTA — own row, left-aligned with content */
.case-study .cs-hero-cta {
  margin-top: 1rem;
  margin-bottom: 2rem;
}

.case-study .cs-hero-cta .cs-cta-buttons {
  justify-content: flex-start;
}

/* Project details — own row, grid of columns */
.case-study .cs-hero-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(10rem, 1fr));
  gap: 1rem 2.5rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.case-study .cs-meta-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.case-study .cs-meta-label {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.case-study .cs-meta-value {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--text-soft);
  line-height: 1.4;
}

/* Hero action buttons — Try Polaris, Visit website, etc. */

.case-study .cs-hero-cta .cs-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}

.case-study .cs-hero-cta .cs-cta-buttons .btn {
  font-size: 0.9375rem;
  padding: 12px 24px;
}

.case-study .cs-hero-cta .cs-cta-buttons .btn-icon {
  flex-shrink: 0;
  margin-right: 0.5rem;
}

/* Legacy inline meta — kept for backwards compat if used */
.case-study .cs-meta-inline {
  font-size: 0.8125rem;
  color: var(--muted);
  margin: 0;
  letter-spacing: -0.01em;
}

/* Body separator — before case study content */
.case-study .cs-body-separator {
  height: 1px;
  background: var(--border);
  margin: 2.5rem 0 2.5rem;
}

/* Hero figures (images/video) — hidden in hero when using hero banner; kept for body content */
.case-study .cs-hero .cs-figure,
.case-study .cs-hero .cs-video {
  margin-top: 2rem;
}

.case-study .cs-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem 3rem;
  margin-bottom: 2rem;
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.case-study .cs-meta dt {
  font-weight: 500;
  margin: 0 0 0.25rem;
}

.case-study .cs-meta dd {
  margin: 0;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--text-soft);
}

/* Lead paragraph — prominent opening */
.case-study .cs-lead {
  font-size: 1.25rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--text);
  margin: 0 0 1.5rem;
  max-width: 65ch;
}

/* Pull quote — Cursor blog style */
.case-study .cs-pullquote {
  margin: 3rem 0;
  padding: 0;
  border: none;
}

.case-study .cs-pullquote p {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0;
  max-width: 45ch;
  padding-left: 1.5rem;
  border-left: 3px solid var(--accent);
}

.case-study .cs-badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-dark);
  background: rgba(199, 178, 124, 0.2);
  padding: 0.375rem 0.75rem;
  border-radius: 999px;
  margin-top: 1.5rem;
}

/* Sections */
.case-study .cs-section {
  padding: var(--cs-section-gap) 0 0;
}

.case-study .cs-section:first-of-type {
  padding-top: 2.5rem;
}

.case-study .cs-section-heading {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 1.875rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0 0 1.5rem;
}

.case-study .cs-section-subheading {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  margin: 2rem 0 0.75rem;
}

.case-study .cs-section-subheading:first-of-type {
  margin-top: 1rem;
}

/* Dark section container — white text on dark background */
.case-study .cs-section-dark {
  background: #0a0a0a;
  border-radius: var(--radius-lg);
  padding: 2.5rem 2.5rem;
  margin: 2.5rem 0;
}

.case-study .cs-section-dark .cs-section-heading,
.case-study .cs-section-dark .cs-section-subheading {
  color: #f5f5f5;
}

.case-study .cs-section-dark .cs-body,
.case-study .cs-section-dark .cs-bullets li {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 1.5rem;
}

.case-study .cs-section-dark .cs-bullets li:last-child {
  margin-bottom: 0;
}

.case-study .cs-section-dark .cs-bullets li::marker {
  color: rgba(255, 255, 255, 0.6);
}

.case-study .cs-section-dark .cs-bullets li strong {
  color: #f5f5f5;
}

.case-study .cs-section-divider {
  height: 1px;
  background: rgba(255, 255, 255, 0.2);
  margin: 2rem 0 2rem;
}

.case-study .cs-section-dark .cs-bullets {
  margin-bottom: 0;
}

@media (max-width: 540px) {
  .case-study .cs-section-dark {
    padding: 1.5rem 1.25rem;
  }
}

.case-study .cs-body {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-soft);
  margin: 0 0 1.5rem;
}

.case-study .cs-body:last-child {
  margin-bottom: 0;
}

.case-study .cs-body strong {
  font-weight: 600;
  color: var(--text);
}

.case-study .cs-body a {
  color: var(--accent);
  font-weight: 500;
}

.case-study .cs-body a:hover {
  color: var(--accent-hover);
}

/* Pull quote / insight */
.case-study .cs-insight {
  margin: 2.5rem 0;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.case-study .cs-insight p {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 500;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0;
}

/* Numbered list */
.case-study .cs-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.case-study .cs-list li {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.case-study .cs-list li:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.case-study .cs-list-num {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent);
  width: 1.5rem;
}

.case-study .cs-list-content {
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--text-soft);
}

.case-study .cs-list-content .cs-list-heading {
  font-size: 1.25rem;
  font-weight: 600;
  color: #0a0a0a;
  margin: 0 0 0.75rem;
}

.case-study .cs-tradeoff-block {
  margin-top: 1.5rem;
}

.case-study .cs-tradeoff-block .cs-list-heading {
  font-size: 1.25rem;
  font-weight: 600;
  color: #0a0a0a;
  margin: 0 0 0.75rem;
}

.case-study .cs-tradeoff-block .cs-list-heading strong {
  color: #0a0a0a;
  font-weight: 600;
}

.case-study .cs-list-content .cs-list-heading strong,
.case-study .cs-list-content strong {
  color: #0a0a0a;
  font-weight: 600;
}

/* Structured learning system — dark callout with numbered steps */
.case-study .cs-learning-system {
  background: #0a0a0a;
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  margin: 2.5rem 0;
}

.case-study .cs-learning-system-heading {
  font-size: 0.875rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.7);
  margin: 0 0 1.5rem;
}

.case-study .cs-learning-system-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.case-study .cs-learning-system-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem 2rem;
  padding: 1.5rem 0;
  border-bottom: 1px dotted rgba(255, 255, 255, 0.25);
}

.case-study .cs-learning-system-step:last-child {
  border-bottom: none;
}

.case-study .cs-learning-system-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  line-height: 1;
  color: #f5f5f5;
}

.case-study .cs-learning-system-content {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.case-study .cs-learning-system-keyword {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  color: #f5f5f5;
}

.case-study .cs-learning-system-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

.case-study .cs-learning-system-footer {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.6);
  margin: 1.5rem 0 0;
}

@media (max-width: 540px) {
  .case-study .cs-learning-system {
    padding: 1.5rem 1.25rem;
  }

  .case-study .cs-learning-system-step {
    grid-template-columns: auto 1fr;
    gap: 1rem;
    padding: 1.25rem 0;
  }

  .case-study .cs-learning-system-num {
    font-size: 1.5rem;
  }

  .case-study .cs-learning-system-keyword {
    font-size: 1.0625rem;
  }
}

/* Design decisions — dark block with four cards */
.case-study .cs-design-decisions {
  background: var(--cs-green);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2.5rem 2.5rem;
  margin: 2.5rem 0;
  text-align: left;
}

.case-study .cs-design-decisions-label {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.85);
  background: rgba(255, 255, 255, 0.15);
  padding: 0.35rem 0.75rem;
  border-radius: 6px;
  margin-bottom: 1rem;
}

.case-study .cs-design-decisions-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  color: #f5f5f5;
  margin: 0 0 0.5rem;
}

.case-study .cs-design-decisions-subtitle {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.75);
  margin: 0 0 1.5rem;
}

.case-study .cs-design-decisions-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.case-study .cs-design-decisions-item {
  padding: 1.25rem 0 1.25rem 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
  position: relative;
}

.case-study .cs-design-decisions-item::before {
  content: "•";
  position: absolute;
  left: 0;
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.25rem;
  line-height: 1.4;
}

.case-study .cs-design-decisions-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.case-study .cs-design-decisions-item-title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: #f5f5f5;
}

.case-study .cs-design-decisions-item-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

/* Outcomes block — gradient background, left/right layout */
.case-study .cs-outcomes-block {
  background: var(--cs-green-gradient);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin: 2rem 0;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2.5rem;
  align-items: start;
}

.case-study .cs-outcomes-block-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  line-height: 1.2;
  color: #f5f5f5;
  margin: 0 0 0.75rem;
}

.case-study .cs-outcomes-block-desc {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

.case-study .cs-outcomes-block-metrics {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.case-study .cs-outcomes-metric {
  text-align: left;
}

.case-study .cs-outcomes-metric-value {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 600;
  color: #f5f5f5;
  margin-bottom: 0.25rem;
}

.case-study .cs-outcomes-metric-desc {
  font-size: 0.8125rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

@media (max-width: 640px) {
  .case-study .cs-outcomes-block {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Learnings block — dark, two-column numbered points */
.case-study .cs-learnings-block {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin: 2rem 0;
}

.case-study .cs-learnings-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.case-study .cs-learnings-block-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
}

.case-study .cs-learnings-block-subtitle {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
  text-align: right;
  max-width: 18ch;
}

.case-study .cs-learnings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0 2rem;
}

.case-study .cs-learnings-item {
  padding: 1.5rem 0;
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.25rem;
}

.case-study .cs-learnings-item-1 { grid-column: 1; grid-row: 1; }
.case-study .cs-learnings-item-2 { grid-column: 1; grid-row: 2; }
.case-study .cs-learnings-item-3 { grid-column: 2; grid-row: 1; }
.case-study .cs-learnings-item-4 { grid-column: 2; grid-row: 2; }

.case-study .cs-learnings-item-1,
.case-study .cs-learnings-item-3 {
  border-bottom: 1px solid rgba(0, 0, 0, 0.12);
}

.case-study .cs-learnings-item-2,
.case-study .cs-learnings-item-4 {
  border-bottom: none;
}

.case-study .cs-learnings-num {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  flex-shrink: 0;
}

.case-study .cs-learnings-text {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

@media (max-width: 640px) {
  .case-study .cs-learnings-header {
    flex-direction: column;
  }

  .case-study .cs-learnings-block-subtitle {
    text-align: left;
    max-width: none;
  }

  .case-study .cs-learnings-grid {
    grid-template-columns: 1fr;
  }

  .case-study .cs-learnings-item-1,
  .case-study .cs-learnings-item-2,
  .case-study .cs-learnings-item-3,
  .case-study .cs-learnings-item-4 {
    grid-column: 1;
    grid-row: auto;
    border-bottom: 1px solid rgba(0, 0, 0, 0.12);
  }

  .case-study .cs-learnings-item-4 {
    border-bottom: none;
  }
}

/* Bullet list */
.case-study .cs-bullets {
  margin: 1.5rem 0;
  padding-left: 1.5rem;
}

.case-study .cs-bullets li {
  margin-bottom: 0.75rem;
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-soft);
}

.case-study .cs-bullets li::marker {
  color: var(--accent);
}

/* Two-column meta (overview) */
.case-study .cs-overview {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem 3rem;
  margin-bottom: 2rem;
}

.case-study .cs-overview-item {
  margin: 0;
}

.case-study .cs-overview-term {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.25rem;
}

.case-study .cs-overview-value {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text);
}

/* Learnings / outcomes */
.case-study .cs-outcomes {
  background: #0a0a0a;
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  margin: 2rem 0;
}

.case-study .cs-outcomes-title {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 0 1.25rem;
}

.case-study .cs-outcomes ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.case-study .cs-outcomes li {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.case-study .cs-outcomes li:last-child {
  border-bottom: none;
}

.case-study .cs-outcomes .cs-body {
  color: rgba(255, 255, 255, 0.9);
}

/* Reflection block */
.case-study .cs-reflection {
  margin-top: 3rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
}

.case-study .cs-reflection p {
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--text-soft);
  margin: 0;
}

/* Video figure */
.case-study .cs-video {
  margin: 3rem 0;
  border-radius: var(--radius-md, 0.5rem);
  overflow: hidden;
  border: 1px solid var(--border);
}

.case-study .cs-video video {
  display: block;
  width: 100%;
  height: auto;
}

.case-study .cs-hero-badge {
  margin: 0 0 1rem;
}

.case-study .cs-hero-badge img {
  display: block;
  height: auto;
  max-height: 3rem;
  width: auto;
}

/* Gia: award badge to the right of title, 20% larger */
.case-study-gia .cs-hero-title-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 0.75rem;
}

.case-study-gia .cs-hero-title-row h1 {
  margin: 0;
}

.case-study-gia .cs-hero-badge {
  margin: 0 0 0 auto;
  flex-shrink: 0;
}

.case-study-gia .cs-hero-badge img {
  max-height: 3.6rem; /* 20% larger than 3rem */
}

.case-study .cs-audio {
  width: 100%;
  max-width: 100%;
}

.case-study .cs-video {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md, 0.5rem);
  border: 1px solid var(--border);
}

.case-study .cs-hero-logo {
  max-width: 8rem;
  height: auto;
  margin-bottom: 1rem;
}

/* Figures / images */
.case-study .cs-figure {
  margin: 3rem 0;
}

.case-study .cs-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md, 0.5rem);
  border: 1px solid var(--border);
}

.case-study .cs-figure-caption {
  font-size: 0.8125rem;
  color: var(--muted);
  margin-top: 0.75rem;
  line-height: 1.5;
}

/* Mobile/portrait screenshot — constrain width, prevent overflow on narrow viewports */
.case-study .cs-figure.cs-figure-mobile {
  max-width: 18rem;
  max-width: min(18rem, 100%);
  margin-left: auto;
  margin-right: auto;
}

/* Logo + text two-column section — image left (smaller), text right (wider) */
.case-study .cs-logo-section {
  display: grid;
  grid-template-columns: minmax(0, 10rem) 1fr;
  gap: 2.5rem 3rem;
  align-items: start;
  margin: 3rem 0;
}

.case-study .cs-logo-section-image {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
}

.case-study .cs-logo-section-image img {
  width: 100%;
  max-width: 160px;
  height: auto;
  display: block;
}

.case-study .cs-logo-section-text .cs-body {
  margin: 0;
}

@media (max-width: 640px) {
  .case-study .cs-logo-section {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .case-study .cs-logo-section-image {
    justify-content: flex-start;
  }

  .case-study .cs-logo-section-image img {
    max-width: 120px;
  }
}

/* Gia brand section — logo + photo (height fit, column width from aspect ratio) */
.case-study .cs-gia-brand-section {
  display: flex;
  flex-direction: column;
  margin: 3rem 0;
  width: 100%;
  max-width: var(--cs-max-width);
}

.case-study .cs-gia-brand-visuals {
  display: flex;
  gap: 0;
  align-items: stretch;
  height: 40rem;
  width: fit-content;
  max-width: 100%;
}

.case-study .cs-gia-brand-logo {
  height: 100%;
  flex: 0 0 auto;
  overflow: visible;
  position: relative;
  z-index: 1;
}

.case-study .cs-gia-brand-photo {
  height: 100%;
  flex: 0 0 auto;
  overflow: hidden;
  margin-left: -20px;
}

.case-study .cs-gia-brand-logo img,
.case-study .cs-gia-brand-photo img {
  height: 100%;
  width: auto;
  display: block;
  vertical-align: bottom;
}

.case-study .cs-gia-brand-logo img {
  object-fit: contain;
  object-position: center;
}

.case-study .cs-gia-brand-photo img {
  object-fit: cover;
  object-position: center;
}

@media (max-width: 720px) {
  .case-study .cs-gia-brand-section {
    gap: 2rem;
    margin: 3rem 0;
  }

  .case-study .cs-gia-brand-visuals {
    grid-template-columns: 1fr;
    height: auto;
    gap: 1rem;
  }

  .case-study .cs-gia-brand-logo,
  .case-study .cs-gia-brand-photo {
    height: 18rem;
  }
}

/* Voice section — split screen: gif + audio left, text right */
.case-study .cs-voice-section {
  display: grid;
  grid-template-columns: minmax(0, 18rem) 1fr;
  gap: 2.5rem 3rem;
  align-items: start;
  margin: 3rem 0;
}

.case-study .cs-voice-section-media {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.case-study .cs-voice-section-media img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md, 0.5rem);
  border: 1px solid var(--border);
}

.case-study .cs-voice-section-media .cs-audio {
  width: 100%;
}

.case-study .cs-voice-section-text .cs-body {
  margin: 0;
}

@media (max-width: 640px) {
  .case-study .cs-voice-section {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Figure grid for multiple images (legacy — prefer cs-carousel) */
.case-study .cs-figures {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin: 3rem 0;
}

.case-study .cs-figures .cs-figure {
  margin: 0;
}

@media (max-width: 720px) {
  .case-study .cs-figures {
    grid-template-columns: 1fr;
  }
}

/* Image carousel — viewport and caption flush, no conflicting padding */
.case-study .cs-carousel {
  position: relative;
  width: 100%;
  margin: 3rem 0;
  padding: 0;
  margin-left: 0;
  padding-left: 0;
}

.case-study .cs-carousel-viewport {
  position: relative;
  width: 100%;
  aspect-ratio: 1024 / 517;
  overflow: hidden;
  border-radius: var(--radius-md, 0.5rem);
  margin: 0;
  padding: 0;
}

.case-study .cs-carousel-track {
  position: relative;
  width: 100%;
  height: 100%;
}

.case-study .cs-carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  opacity: 0;
  transition: opacity 400ms var(--ease-out, cubic-bezier(0.25, 0.46, 0.45, 0.94));
  pointer-events: none;
}

.case-study .cs-carousel-slide.is-active {
  opacity: 1;
  pointer-events: auto;
}

.case-study .cs-carousel-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  margin: 0;
  padding: 0;
}

.case-study .cs-carousel-slide .cs-carousel-caption {
  display: none !important;
}

.case-study .cs-carousel-footer {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
  margin: 0.75rem 0 0;
  padding: 0 !important;
  width: 100%;
  box-sizing: border-box;
}

.case-study .cs-carousel-caption-text {
  font-size: 0.8125rem;
  color: var(--muted);
  line-height: 1.5;
  flex: 1 1 auto;
  min-width: 0;
  margin: 0 !important;
  padding: 0 !important;
  text-align: left !important;
}

.case-study .cs-carousel-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  margin-left: auto;
}

.case-study .cs-carousel-progress {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.case-study .cs-carousel-progress-segments {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.case-study .cs-carousel-progress-segment {
  width: 2rem;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.case-study .cs-carousel-progress-segment-fill {
  height: 100%;
  width: 0%;
  background: var(--accent, #333);
  transition: none;
}

.case-study .cs-carousel-buttons {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.case-study .cs-carousel-btn {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.6);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  line-height: 1;
  transition: background 200ms, border-color 200ms;
}

.case-study .cs-carousel-btn:hover {
  background: rgba(255, 255, 255, 0.85);
  border-color: var(--text-soft);
}

.case-study .cs-carousel-btn:focus {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.case-study .cs-carousel-btn svg {
  width: 0.65em;
  height: 0.65em;
}

@media (max-width: 720px) {
  .case-study .cs-carousel-footer {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .case-study .cs-carousel-caption-text {
    order: 1;
    flex-basis: 100%;
  }

  .case-study .cs-carousel-controls {
    order: 2;
    width: 100%;
    justify-content: center;
  }
}

/* Footer CTA */
.case-study .cs-footer-cta {
  margin-top: 5rem;
  padding-top: 3rem;
  border-top: 1px solid var(--border);
  text-align: center;
}

.case-study .cs-footer-cta-text {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-soft);
  margin: 0 0 1.5rem;
}

.case-study .cs-footer-cta-link {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: color 220ms var(--ease-out), gap 220ms var(--ease-out);
}

.case-study .cs-footer-cta-link:hover {
  color: var(--accent-hover);
  gap: 0.75rem;
}

.case-study .cs-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  align-items: center;
}

.case-study .cs-cta-buttons .btn {
  font-size: 0.9375rem;
  padding: 12px 24px;
}

.case-study .cs-cta-buttons .btn-icon {
  flex-shrink: 0;
  margin-right: 0.5rem;
}

@media (max-width: 720px) {
  .case-study .main-case-study {
    grid-template-columns: 1fr;
    padding: 2.5rem 1.25rem 5rem;
    overflow-x: hidden;
    gap: 0;
  }

  .case-study .cs-sidebar {
    position: sticky;
    top: 4.5rem; /* below fixed nav (~60px on mobile) */
    padding-top: 0;
    margin-bottom: 0;
    z-index: 10;
  }

  .case-study .cs-back {
    display: none;
  }

  .case-study .cs-overview {
    grid-template-columns: 1fr;
  }

  .case-study .cs-hero-meta-grid {
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-top: 1.25rem;
    margin-bottom: 1.25rem;
  }

  .case-study .cs-hero {
    padding-bottom: 1.25rem;
  }

  .case-study .cs-body-separator {
    margin: 1.5rem 0 1.5rem;
  }

  .case-study .cs-meta {
    flex-direction: column;
    gap: 1.5rem;
  }

  .case-study .cs-hero-cta .cs-cta-buttons,
  .case-study .cs-footer-cta .cs-cta-buttons {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .case-study .cs-hero-cta .cs-cta-buttons .btn,
  .case-study .cs-footer-cta .cs-cta-buttons .btn {
    flex: 0 1 auto;
  }
}