/* ============================================================
   Praxis-Beispiele — Case-Cards
   ============================================================ */

.case-grid {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.case-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s ease;
}

.case-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 24px 48px -28px rgba(0, 0, 0, 0.18);
}

.case-card__figure {
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-bg-light-warm);
}

.case-card__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.9);
  transition: transform 0.6s ease;
}

.case-card:hover .case-card__figure img {
  transform: scale(1.04);
}

/* 3D-Viewer Container */
.case-card__figure--viewer {
  background:
    radial-gradient(circle at 70% 30%, rgba(28, 138, 62, 0.18), transparent 60%),
    var(--color-text-strong);
  position: relative;
  overflow: hidden;
}

.case-viewer {
  position: absolute;
  inset: 0;
  display: block;
}

.case-viewer canvas {
  width: 100%;
  height: 100%;
  display: block;
}

/* Mono-Label oben links — wie ein CAD-Software-Hinweis */
.case-viewer__label {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  font-family: 'Geist Mono', monospace;
  font-size: var(--fs-mono-xs);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(243, 245, 248, 0.55);
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  z-index: 2;
  pointer-events: none;
}

.case-viewer__label::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--color-green-glow);
}

@media (prefers-reduced-motion: reduce) {
  .case-viewer canvas { display: none; }
  .case-card__figure--viewer::after {
    content: 'QS-Modell';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Geist Mono', monospace;
    font-size: var(--fs-mono-sm);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-green-glow);
  }
}

.case-card__body {
  padding: clamp(1.5rem, 2.5vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  flex: 1;
}

.case-card__eyebrow {
  font-family: 'Geist Mono', monospace;
  font-size: var(--fs-mono-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-green);
}

.case-card__title {
  font-family: 'Geist', sans-serif;
  font-weight: 500;
  font-size: 1.375rem;
  line-height: 1.2;
  letter-spacing: -0.015em;
  color: var(--color-text-strong);
}

.case-card__text {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--color-text);
}

.case-card__meta {
  display: grid;
  grid-template-columns: max-content 1fr;
  gap: 0.4rem var(--space-md);
  margin-top: auto;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-family: 'Geist Mono', monospace;
  font-size: var(--fs-mono-xs);
}

.case-card__meta dt {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text);
}

.case-card__meta dd {
  font-family: 'Geist', sans-serif;
  font-size: 0.9375rem;
  color: var(--color-text-strong);
}

@media (max-width: 880px) {
  .case-card:hover {
    transform: none;
    box-shadow: none;
  }
  .case-card:hover .case-card__figure img {
    transform: none;
  }
}

@media (max-width: 720px) {
  .case-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  /* 3D-Viewer auf Mobile etwas niedriger fuer bessere Proportion */
  .case-card__figure--viewer {
    aspect-ratio: 4 / 3;
  }
}