/* ==========================================================================
   Case Studies Page
   ========================================================================== */

/* --- Featured Case Study --- */

.cs-featured__card {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  padding: var(--space-10);
  margin-top: var(--space-6);
}

@media (min-width: 768px) {
  .cs-featured__card {
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
  }
}

.cs-featured__vertical {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.cs-featured__title {
  font-size: var(--text-3xl);
  color: var(--color-ink);
  margin-bottom: var(--space-4);
}

.cs-featured__desc {
  font-size: var(--text-base);
  color: var(--color-muted);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: none;
}

.cs-featured__metrics {
  display: flex;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-line);
}

.cs-featured__metric-value {
  display: block;
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-black);
  color: var(--color-primary);
}

.cs-featured__metric-label {
  font-size: var(--text-xs);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.cs-featured__img {
  border-radius: var(--radius-md);
  width: 100%;
  height: auto;
}

.cs-featured__placeholder {
  background: linear-gradient(135deg, #EEF2FF 0%, #FEF2F2 100%);
  border-radius: var(--radius-md);
  aspect-ratio: 4 / 3;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 80px;
}

/* --- Case Study Cards --- */

.cs-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  transition: box-shadow var(--duration-normal) var(--ease-default),
              transform var(--duration-normal) var(--ease-default);
}

.cs-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.cs-card__header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.cs-card__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.cs-card__vertical {
  font-size: var(--text-xs);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
}

.cs-card__metric {
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-line);
}

.cs-card__metric-value {
  display: block;
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-black);
  color: var(--color-primary);
  line-height: 1;
}

.cs-card__metric-label {
  font-size: var(--text-xs);
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.cs-card__title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

.cs-card__desc {
  font-size: var(--text-sm);
  color: var(--color-muted);
  line-height: var(--leading-relaxed);
}

.cs-card--link {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

.cs-card__thumb {
  margin: 0 calc(-1 * var(--space-8)) var(--space-5);
  overflow: hidden;
  max-height: 160px;
}

.cs-card__thumb img {
  width: 100%;
  height: 160px;
  object-fit: cover;
}

.cs-card__cta {
  margin-top: auto;
  padding-top: var(--space-4);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-primary);
}

a.cs-industry-pill {
  text-decoration: none;
  color: inherit;
  cursor: pointer;
}

/* --- Industries Grid --- */

.cs-industries__grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
}

.cs-industry-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-6);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-full);
  background: var(--color-white);
  transition: border-color var(--duration-fast) var(--ease-default),
              box-shadow var(--duration-fast) var(--ease-default);
}

.cs-industry-pill:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-sm);
}

.cs-industry-pill__icon {
  font-size: 20px;
}

.cs-industry-pill__label {
  font-size: var(--text-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-ink);
}