/* Case study detail pages */

.case-study {
  padding-top: 3rem;
  padding-bottom: var(--space-6);
  padding-inline: var(--container-padding);
}

.case-layout {
  display: grid;
  grid-template-columns: 1fr minmax(0, 56rem) 1fr;
  column-gap: 3.5rem;
  row-gap: var(--space-6);
}

.case-sidebar {
  grid-column: 1;
  align-self: flex-start;
  position: sticky;
  top: 5rem;
  padding-right: var(--space-3);
  font-size: var(--font-size-sm);
}

.case-back {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  margin-bottom: var(--space-3);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text);
  text-decoration: none;
  font-weight: 400;
}

.case-back::before {
  content: '←';
  font-size: var(--font-size-sm);
}

.case-sidebar-title {
  margin: 0 0 var(--space-4) 0;
  font-size: var(--font-size-base);
  font-weight: 600;
}

.case-toc {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-top: var(--space-3);
}

.case-toc a {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--color-muted);
  text-decoration: none;
  line-height: 1.8;
}

.case-toc a.is-active,
.case-toc a:hover {
  color: var(--color-text);
  font-weight: 600;
}

.case-main {
  grid-column: 2;
  max-width: 56rem;
  width: 100%;
}

.case-hero-kicker {
  margin: 0 0 var(--space-1) 0;
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-muted);
}

.case-hero-title {
  margin: 0;
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: var(--line-height-tight);
}

.case-hero > * + * {
  margin-top: var(--space-2);
}

.case-hero p:not(.case-hero-kicker) {
  margin: 0;
  color: var(--color-muted);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
}

.case-hero-image {
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
  width: 100%;
  aspect-ratio: 16 / 9;
  display: flex;
  border-radius: 1.5rem;
  overflow: hidden;
  border: 0.25px solid #b0b0b0;
  background: var(--color-bg-subtle);
}

.case-hero-image video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  flex-shrink: 0;
}

.case-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
  column-gap: var(--space-2);
  row-gap: var(--space-3);
  margin: var(--space-4) 0 0 0;
  padding: 0;
}

.case-meta-item {
  font-size: var(--font-size-sm);
}

.case-meta-item dt {
  margin-bottom: var(--space-1);
  font-size: var(--font-size-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-muted);
}

.case-meta-item dd {
  margin: 0;
  color: var(--color-muted);
}

.case-meta-item--timeline dt,
.case-meta-item--timeline dd {
  font-size: var(--font-size-xs);
}

@media (min-width: 62rem) {
  /* Custom spacing between meta columns on desktop:
     small gaps by default, larger gaps after Timeline and Context */
  .case-meta-grid {
    column-gap: var(--space-2);
  }

  .case-meta-grid .case-meta-item:nth-child(2),
  .case-meta-grid .case-meta-item:nth-child(4) {
    margin-right: var(--space-2);
  }

  .case-meta-item--shipped {
    margin-left: -1.25rem;
  }

  .case-meta-grid .case-meta-item:last-child {
    margin-left: var(--space-2);
  }
}

.case-body {
  margin-top: var(--space-5);
}

.case-section {
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.case-section:first-of-type {
  padding-top: 0;
}

.case-section-label {
  margin: 0 0 var(--space-1) 0;
  font-size: var(--font-size-xs);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-muted);
}

.case-section-title {
  margin: 0 0 var(--space-2) 0;
  font-size: var(--font-size-xl);
  font-weight: 600;
  line-height: 1.25;
}

.case-section-body {
  max-width: 52rem;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--color-prose);
}

.case-section-body p {
  margin: 0;
}

.case-section-body p + p {
  margin-top: var(--space-3);
}

.case-section-body ul,
.case-section-body ol {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--color-prose);
  font-size: 1.0625rem;
  line-height: 1.75;
}

.case-section-body p + ul,
.case-section-body p + ol {
  margin-top: var(--space-1);
}

.case-section-body ul + p,
.case-section-body ol + p {
  margin-top: var(--space-2);
}

.case-section-body li + li {
  margin-top: 0.375rem;
}

.case-section-body .case-section-grid-3 + p {
  margin-top: var(--space-3);
}

.case-section-media-row + .case-section-body {
  margin-top: var(--space-4);
}

.case-link-button {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1.125rem;
  border-radius: 980px;
  border: 0.0625rem solid var(--color-text);
  font-family: var(--font-primary);
  font-size: var(--font-size-sm);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--color-text);
  text-decoration: none;
  background: transparent;
  transition:
    background 180ms ease,
    color 180ms ease;
}

.case-link-button:hover {
  background: var(--color-text);
  color: var(--color-background);
}

.case-link-button svg {
  flex-shrink: 0;
  transition: transform 180ms ease;
}

.case-link-button:hover svg {
  transform: translate(0.125rem, -0.125rem);
}

.case-section-media-row {
  margin-top: var(--space-4);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.case-section-grid-3 {
  margin-top: var(--space-3);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  column-gap: var(--space-4);
  row-gap: var(--space-4);
}

.case-section-grid-3-item {
  font-size: 1.0625rem;
  line-height: var(--line-height-base);
  color: var(--color-prose);
}

.case-section-grid-3-item strong {
  display: block;
  margin-bottom: var(--space-0_25);
  font-size: var(--font-size-lg);
  color: var(--color-text);
  white-space: nowrap;
}

.case-bullet-heading {
  display: block;
  margin: 0 0 var(--space-0_25) 0;
  font-size: var(--font-size-lg);
  color: var(--color-text);
  font-weight: 700;
}

.case-image-block {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 0.8rem;
  border: var(--border-width) dashed var(--color-border);
  background: var(--color-bg-subtle);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.case-image-label {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--space-2);
  font-size: var(--font-size-xs);
  color: var(--color-light);
  text-align: center;
  pointer-events: none;
}

.case-image-natural-grid {
  margin-top: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.case-image-natural-grid-row {
  display: grid;
  gap: var(--space-2);
}

.case-image-natural-grid-row--3col {
  grid-template-columns: 3fr 5fr 4fr;
}

.case-image-natural img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 0.8rem;
}

@media (max-width: 50rem) {
  .case-image-natural-grid-row--3col {
    grid-template-columns: 1fr;
  }
}

.case-media-placeholder {
  width: 100%;
  aspect-ratio: 4 / 3;
  border-radius: 0.8rem;
  border: var(--border-width) dashed var(--color-border);
  background: var(--color-bg-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  color: var(--color-light);
}

@media (max-width: 62rem) {
  .case-meta-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 50rem) {
  .case-study {
    padding-top: var(--space-5);
    padding-bottom: var(--space-5);
  }

  .case-layout {
    display: block;
  }

  .case-toc {
    display: none;
  }

  .case-sidebar {
    position: static;
    padding-right: 0;
    margin-bottom: var(--space-4);
  }

  .case-main {
    max-width: 100%;
  }

  .case-section {
    padding-top: var(--space-3);
    padding-bottom: var(--space-3);
  }

  .case-section-title {
    font-size: var(--font-size-lg);
  }

  .case-meta-grid {
    grid-template-columns: 1fr;
  }

  .case-section-media-row {
    grid-template-columns: 1fr;
  }

  .case-section-grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 23.4375rem) {
  .case-study {
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }

  .case-hero-title {
    font-size: clamp(1.35rem, 5.5vw, 2.25rem);
  }

  .case-section-title {
    font-size: var(--font-size-base);
  }

  .case-main,
  .case-section-body {
    min-width: 0;
  }
}