/* ==========================================================================
   COMPONENT: CASE STUDY DETAIL MODAL OVERLAY
   ========================================================================== */

.case-modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(18, 17, 16, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(1rem, 3vw, 3rem);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: all var(--duration-normal) var(--ease-precise);
}

.case-modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.case-modal-container {
  background-color: var(--bg-primary);
  border: 1px solid var(--border-medium);
  width: 100%;
  max-width: 900px;
  max-height: 88vh;
  overflow-y: auto;
  position: relative;
  display: flex;
  flex-direction: column;
}

.case-modal-header {
  padding: 1.75rem 2rem;
  border-bottom: 1px solid var(--border-subtle);
  background-color: var(--surface-subtle);
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 10;
}

.case-modal-body {
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.modal-section-block {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.modal-block-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-primary);
}

.modal-block-content {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--text-secondary);
}

.modal-impact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 0.5rem;
}

.impact-box {
  padding: 1rem;
  background-color: var(--surface-subtle);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.impact-metric {
  font-family: var(--font-sans);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent-primary);
}

.impact-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}

@media (max-width: 767px) {
  .modal-impact-grid {
    grid-template-columns: 1fr;
  }
}