.case-study {
  width: min(1120px, calc(100% - 80px));
  margin: 88px auto 0;
}

.case-study h1,
.case-study h2,
.case-study h3,
.case-study p,
.case-study figure,
.case-study dl,
.case-study dd {
  margin: 0;
}

.case-study h1,
.case-study h2,
.case-study h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.2;
}

.case-study p {
  color: var(--color-text-muted);
  font-size: 18px;
  line-height: 1.75;
}

.hero .eyebrow,
.case-study .gallery-label {
  font-size: 14px;
  line-height: 1.5;
}

.hero h1 {
  margin-top: 16px;
  font-size: clamp(40px, 5.5vw, 64px);
  letter-spacing: -1.5px;
}

.hero .hero-summary {
  max-width: 780px;
  margin-top: 24px;
  font-size: clamp(20px, 2.2vw, 26px);
  line-height: 1.5;
}

.hero .project-meta {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1.2fr;
  gap: 32px;
  margin-top: 40px;
  padding-block: 24px;
  border-block: 1px solid var(--color-border);
  font-size: 16px;
  line-height: 1.6;
}

.project-meta dt {
  margin-bottom: 8px;
  color: var(--color-text-muted);
  font-size: 14px;
}

.case-study .hero-media {
  margin-top: 40px;
}

.case-media img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-small);
}

.case-media figcaption,
.case-study .caption-note {
  margin-top: 12px;
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.5;
}

.case-section {
  margin-top: 88px;
}

.case-section h2 {
  margin-bottom: 24px;
  font-size: 36px;
  letter-spacing: -0.5px;
}

.case-section h3 {
  margin-bottom: 16px;
  font-size: 24px;
}

.section-intro,
.process-step > p {
  max-width: 780px;
}

.text-grid,
.media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-items: start;
  gap: 32px;
}

.media-grid {
  margin-top: 32px;
}

.media-grid--three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.persona-card {
  --persona-accent: #3915a2;
  border: 1px solid var(--persona-accent);
  border-radius: var(--radius-medium);
  background: var(--color-background);
}

.persona-card > summary {
  padding: 20px 24px;
  border-radius: var(--radius-medium);
  background: transparent;
  color: var(--color-text);
  font: 500 24px/1.3 var(--font-display);
  cursor: pointer;
}

.persona-card > summary::marker {
  color: var(--persona-accent);
}

.persona-card > summary:hover {
  color: var(--persona-accent);
}

.persona-card > summary:focus-visible {
  outline: 3px solid var(--persona-accent);
  outline-offset: 4px;
}

.persona-card[open] > summary {
  border-radius: var(--radius-medium) var(--radius-medium) 0 0;
}

.persona-content {
  padding: 24px;
}

.research-grid,
.persona-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 32px;
  margin-top: 32px;
}

.persona-grid ul {
  margin: 0;
  padding-left: 20px;
  color: var(--color-text-muted);
  font-size: 18px;
  line-height: 1.75;
}

.persona-grid li + li {
  margin-top: 12px;
}

.case-study .persona-meta {
  margin-bottom: 16px;
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.6;
}

.design-response,
.branding-block {
  margin-top: 40px;
}

.design-response,
.branding-block > p {
  max-width: 780px;
}

.case-study .branding-type {
  margin-top: 24px;
}

.brand-color-grid {
  grid-template-columns: minmax(0, 2.002fr) minmax(0, 2.017fr);
}

/* The original palette exports include white labels on transparent pixels. */
.brand-color-grid img {
  background: var(--color-text-case-study);
}

.process-step {
  margin-top: 48px;
}

.sketch-grid img {
  height: 380px;
  object-fit: contain;
}

.iteration-grid img {
  height: 240px;
  object-fit: contain;
}

.case-study .gallery-label {
  margin-top: 40px;
}

.character-gallery {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  align-items: start;
  gap: 20px;
  margin-top: 24px;
}

.character-gallery img {
  height: 160px;
  object-fit: contain;
}

.character-gallery figcaption {
  text-align: center;
}

.infographic-process {
  max-width: 820px;
  margin-inline: auto;
}

.infographic-process img {
  height: 480px;
  object-fit: contain;
}

.case-study .final-infographic {
  max-width: 720px;
  margin: 40px auto 0;
}

.exhibition-gallery {
  display: grid;
  align-items: start;
  gap: 24px;
  margin-top: 32px;
}

/* Proportional columns align uncropped photos with different native ratios. */
.concept-gallery {
  grid-template-columns: minmax(0, 1.291fr) minmax(0, 1.333fr);
}

.room-gallery {
  grid-template-columns: minmax(0, 1.419fr) minmax(0, 1.502fr);
}

.detail-gallery {
  grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 0.856fr);
}

.opening-gallery {
  grid-template-columns: minmax(0, 2.25fr) minmax(0, 1fr);
}

.exhibition-copy {
  max-width: 780px;
  margin-top: 48px;
}

@media (max-width: 1000px) {
  .character-gallery {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 28px 20px;
  }
}

@media (max-width: 700px) {
  .case-study {
    width: calc(100% - 48px);
    margin-top: 56px;
  }

  .hero .project-meta,
  .text-grid,
  .media-grid,
  .research-grid,
  .persona-grid,
  .exhibition-gallery {
    grid-template-columns: minmax(0, 1fr);
    gap: 28px;
  }

  .case-section {
    margin-top: 56px;
  }

  .case-section h2 {
    font-size: 28px;
  }

  .case-section h3 {
    font-size: 22px;
  }

  .case-section p {
    font-size: 16px;
  }

  .persona-grid ul {
    font-size: 16px;
  }

  .persona-card > summary {
    padding: 18px;
    font-size: 22px;
  }

  .persona-content {
    padding: 20px 18px;
  }

  .process-step {
    margin-top: 36px;
  }

  .sketch-grid img,
  .iteration-grid img,
  .infographic-process img {
    height: auto;
    max-height: 440px;
    object-fit: contain;
  }

  .character-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .character-gallery img {
    height: 150px;
  }
}