/**
 * Block: Work Showcase
 * Curated case studies with alternating staggered layout
 *
 * Pattern (desktop):
 *   Row 1 — single item, image ~68% wide, 16:9
 *   Row 2 — two items side-by-side (portrait left, landscape right)
 *   Row 3 — single item, image ~55% wide, portrait
 *   …repeats every 4 items
 */

/* =============================================
   LIST
   ============================================= */

.work-showcase__list {
  display: flex;
  flex-direction: column;
  gap: clamp(4rem, 6vw, 8rem);
}

/* =============================================
   ITEM (base / mobile — always vertical)
   ============================================= */

.work-showcase__item {
  display: flex;
  flex-direction: column;
  gap: 0;
  text-decoration: none;
  color: inherit;
}

/* =============================================
   MEDIA
   ============================================= */

.work-showcase__media {
  overflow: hidden;
  position: relative;
  background: var(--base);
  aspect-ratio: 4 / 3;
}

.work-showcase__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: opacity 0.2s cubic-bezier(0.4, 0, 0.2, 1),
              filter 0.2s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Step 1: image blurs, zooms, fades → dark bg (0.2s) */
.work-showcase__media.is-playing .work-showcase__image {
  opacity: 0;
  filter: blur(14px);
  transform: scale(1.06);
}

/* Video layer (lazy-injected by JS) */
.work-showcase__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  filter: blur(14px);
  transform: scale(1.06);
  z-index: 2;
  transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              filter 0.4s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Step 2: video unblurs, unzooms, fades in from dark bg */
.work-showcase__video.is-ready {
  opacity: 1;
  filter: blur(0);
  transform: scale(1);
}

/* =============================================
   CONTENT (client name + title, stacked)
   ============================================= */

.work-showcase__content {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  padding-top: 2.4rem;
}

/* Client name tag */
.work-showcase__client {
  align-self: flex-start;
  font-size: var(--h5);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  line-height: 1.1;
  padding: 0.3em 0.4em;
  background: var(--base);
  color: var(--white);
  text-decoration: none;
  transition: background var(--transition);
}

.work-showcase__item:hover .work-showcase__client {
  background: var(--primary);
  color: var(--base);
}

/* Title */
.work-showcase__title {
  font-size: var(--h3);
  margin: 0;
  text-decoration: none;
  transition: text-decoration var(--transition), color var(--transition);
  text-decoration-color: var(--primary);
}

.work-showcase__item:hover .work-showcase__title {
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--primary);
  text-decoration-thickness: 2px;
}

/* =============================================
   DESKTOP — 12-col grid, 4-item repeating pattern
   Row 1: 3/4        (9 of 12 cols)
   Row 2: 1/3 + 2/3  (4 cols + 8 cols, side-by-side)
   Row 3: 1/2        (6 of 12 cols)
   ============================================= */

@media (min-width: 768px) {

  .work-showcase__list {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    column-gap: var(--section-space-l);
    row-gap: var(--section-space-l);
    align-items: start;
  }

  /* Row 1 — 3/4, 16:9 */
  .work-showcase__item:nth-child(4n+1) {
    grid-column: 1 / span 9;
  }

  .work-showcase__item:nth-child(4n+1) .work-showcase__media {
    aspect-ratio: 16 / 9;
  }

  /* Row 2 left — 1/3, 3:4 */
  .work-showcase__item:nth-child(4n+2) {
    grid-column: 1 / span 5;
  }

  .work-showcase__item:nth-child(4n+2) .work-showcase__media {
    aspect-ratio: 3 / 4;
  }

  /* Row 2 right — offset down, 4:3 */
  .work-showcase__item:nth-child(4n+3) {
    grid-column: 6 / span 7;
    margin-top: var(--section-space-xxl);
  }

  .work-showcase__item:nth-child(4n+3) .work-showcase__media {
    aspect-ratio: 4 / 3;
  }

  /* Row 3 — 1/2, 5:4, right-aligned */
  .work-showcase__item:nth-child(4n+4) {
    grid-column: 2 / span 7;
  }

  .work-showcase__item:nth-child(4n+4) .work-showcase__media {
    aspect-ratio: 5 / 4;
  }
}

/* =============================================
   EMPTY STATE
   ============================================= */

.work-showcase__empty {
  text-align: center;
  color: var(--base-semi-dark);
  padding: 4.8rem 1.6rem;
  font-size: var(--text-l);
}