/* =====================================================
   SHOWCASE CARDS SECTION
   3-column portrait cards with full-bleed media + glass overlay
   ===================================================== */

.showcase-section {
  padding: var(--spacing-2xl, 80px) 0;
  background-color: var(--color-bg-yellow);
}

.showcase-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg, 32px);
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 var(--spacing-md, 24px);
  align-items: start;
}

/* Stagger card positions for visual interest */
.showcase-card:nth-child(2) { margin-top: 16px; }
.showcase-card:nth-child(3) { margin-top: 26px; }

/* --- Individual Card --- */
.showcase-card {
  position: relative;
  border-radius: var(--radius-lg, 20px);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  border: 5px solid transparent;
  cursor: default;
  perspective: 1300px;
  transform-style: preserve-3d;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  will-change: transform;
  opacity: 0;
  transform: translateY(4em);
  transition:
    box-shadow 0.5s cubic-bezier(0.23, 1, 0.32, 1),
    transform 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

/* Per-card colored borders */
.showcase-card:nth-child(1) { border-color: var(--color-accent); }
.showcase-card:nth-child(2) { border-color: var(--color-accent-warm); }
.showcase-card:nth-child(3) { border-color: var(--color-accent-hot); }

/* --- Scroll entrance + hover --- */
.showcase-card.is-visible {
  opacity: 1;
  transform: translateY(0) rotateY(0deg) skew(0deg, 0deg);
  transition:
    opacity 0.8s cubic-bezier(0.23, 1, 0.32, 1),
    transform 0.5s cubic-bezier(0.23, 1, 0.32, 1),
    box-shadow 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

.showcase-card.is-visible:hover {
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
  transform: translateY(0) rotateY(-12deg) skew(1deg, -1deg);
}

.showcase-card:nth-child(2).is-visible { transition-delay: 0.15s; }
.showcase-card:nth-child(3).is-visible { transition-delay: 0.3s; }

/* --- Full-bleed Image/Video --- */
.showcase-card-visual {
  position: absolute;
  inset: 0;
}

.showcase-card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.showcase-card-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: 1;
}

.showcase-card:hover .showcase-card-video {
  opacity: 1;
}

/* --- Glass Text Overlay at Bottom --- */
.showcase-card-body {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 3;
  padding: 12px;
  margin: 14px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-radius: 12px;
}

/* Reuse showcase glass style for case-study top header block */
.case-header-overlay.showcase-card-body {
  top: 0;
  bottom: auto;
  background: var(--color-bg-dark);
  display: inline-flex;
  align-content: space-around;
  flex-direction: row;
  align-items: center;
  padding-inline-start: 24px;
}

.case-header-overlay.showcase-card-body .showcase-card-desc {
  color: white;
  max-width: 50ch;
  text-wrap-style: pretty;
}

.case-header-overlay.showcase-card-body .showcase-card-heading {
  color: var(--color-accent);
}

/* Per-card tinted glass backgrounds */
.showcase-card:nth-child(1) .showcase-card-body { background: var(--gradient-accent); }
.showcase-card:nth-child(2) .showcase-card-body { background: rgb(13 189 246 / 12%); }
.showcase-card:nth-child(3) .showcase-card-body { background: rgb(74 222 128 / 12%); }

.showcase-card-heading {
  font-family: var(--font-heading, 'DM Serif Display');
  font-size: clamp(1.2rem, 2vw, 2rem);
  color: var(--color-accent);
  margin-bottom: 6px;
  line-height: 1;
}

.showcase-card:nth-child(1) .showcase-card-body .showcase-card-desc { color: var(--color-accent-text); }
.showcase-card:nth-child(1) .showcase-card-body .showcase-card-heading { color: var(--color-accent-text); }
.showcase-card-desc {
  font-family: var(--font-sans, 'Inter');
  font-size: var(--text-sm, 0.8rem);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.8);
}

/* --- Footer Text --- */
.showcase-footer {
  max-width: 640px;
  margin: var(--spacing-2xl, 64px) auto 0;
  padding: 0 var(--spacing-md, 24px);
  text-align: center;
}

.showcase-footer-text {
  font-family: var(--font-sans, 'Inter');
  font-size: var(--text-base, 1rem);
  line-height: 1.7;
  color: var(--color-text-main, #1A1A1A);
}

.showcase-footer-note {
  font-family: var(--font-sans, 'Inter');
  font-size: var(--text-sm, 0.875rem);
  line-height: 1.6;
  color: var(--color-text-secondary, #555);
  margin-top: var(--spacing-sm, 12px);
}

/* Hide unused elements */
.showcase-card-curve,
.showcase-card-number,
.showcase-card-text {
  display: none;
}

/* --- Responsive: Tablet --- */
@media (max-width: 968px) {
  .showcase-list {
    gap: var(--spacing-md, 24px);
    max-width: 900px;
  }

  .showcase-card:nth-child(2) { margin-top: 30px; }
  .showcase-card:nth-child(3) { margin-top: 12px; }
}

/* --- Responsive: Mobile --- */
@media (max-width: 768px) {
  .showcase-section {
    padding: var(--spacing-xl, 48px) 0;
  }

  .showcase-list {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg, 32px);
    max-width: 400px;
    padding: 0 var(--spacing-sm, 16px);
  }

  .showcase-card:nth-child(2),
  .showcase-card:nth-child(3) {
    margin-top: 0;
  }

  .showcase-card-heading {
    font-size: 1.3rem;
  }
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  .showcase-card {
    opacity: 1;
    transform: none;
  }

  .showcase-card.is-visible {
    transition: none;
  }
}