/* ── Case Study / Project Page ── */

html, body { background-color: #111; }

.case-hero,
.case-summary,
.case-content-media,
.case-related { background-color: #111; color: #fff; }

.case-back {
  display: flex;
  width: max-content;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  color: #fff;
  opacity: .7;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  text-decoration: none;
  transition: opacity .3s ease;
}
.case-back:hover { opacity: 1; }
.case-back svg { width: 12px; height: 12px; max-width: 12px; flex: none; transform: rotate(180deg); }

/* ─ Hero ─ */
.case-hero { padding: 160px 0 64px; }
.case-hero .eyebrow {
  display: inline-block;
  color: #F04E23;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin: 0 0 16px;
}
.case-hero h1 {
  font-size: 72px;
  line-height: 1;
  margin: 0 0 24px;
  text-transform: uppercase;
}
.case-hero .lead {
  max-width: 640px;
  font-size: 19px;
  opacity: .75;
  margin: 0 0 40px;
}
.case-hero .meta {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding-top: 32px;
  border-top: 1px solid rgba(255,255,255,.12);
}
.case-hero .meta div span {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  opacity: .5;
  margin-bottom: 6px;
}
.case-hero .meta div strong { font-size: 17px; font-weight: 700; }

/* ─ Media (full-bleed hero image/video) ─ */
.case-media {
  width: 100%;
  position: relative;
  overflow: hidden;
  background-color: #000;
}
.case-media-inner {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.case-media-inner img,
.case-media-inner video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: translate(-50%, -50%);
}

/* ─ Summary ─ */
.case-summary { padding-top: 96px; }
.case-summary-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
}
.case-summary-meta {
  list-style: none;
  margin: 0;
  padding: 0;
}
.case-summary-meta li { margin-bottom: 28px; }
.case-summary-meta span {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  opacity: .5;
  margin-bottom: 6px;
}
.case-summary-meta strong { font-size: 17px; font-weight: 700; }
.case-summary-content h2 {
  font-size: 32px;
  line-height: 1.2;
  margin: 0 0 24px;
}
.case-summary-content p {
  font-size: 17px;
  line-height: 1.6;
  opacity: .8;
  margin: 0 0 20px;
}

/* ─ Mosaic gallery ─ */
.case-gallery {
  width: 100%;
  height: 100vh;
  overflow: hidden;
  position: relative;
  background-color: #000;
  margin-top: 96px;
}
.case-gallery-inner {
  display: grid;
  grid-template-rows: minmax(0, 1fr);
  row-gap: max(1.6rem, 2vh);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) rotateZ(-15deg);
}
.case-gallery-row {
  display: flex;
  column-gap: max(1.6rem, 2vh);
  width: max-content;
}
.case-gallery-row-even { transform: translateX(calc(var(--scroll-progress, 0%) * 0.07)); will-change: transform; }
.case-gallery-row-odd  { transform: translateX(calc(var(--scroll-progress, 0%) * -0.07)); will-change: transform; }
.case-gallery-row.case-gallery-template { display: none; }
.case-gallery-media {
  height: max(22rem, 24vh);
  width: auto;
  box-shadow: 1rem 1rem 1rem rgba(0,0,0,.35);
  flex: none;
}
.case-gallery-media img { height: 100%; width: auto; display: block; }

/* ─ Content with sticky media ─ */
.case-content-media { padding-top: 96px; }
.case-content-media-grid {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 64px;
  align-items: start;
}
.case-content-media-image {
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 30px 80px rgba(0,0,0,.4);
}
.case-content-media-image img { display: block; width: 100%; height: auto; }
.case-content-media-text {
  position: sticky;
  top: 140px;
}
.case-content-media-text h2 {
  font-size: 32px;
  line-height: 1.2;
  margin: 0 0 24px;
}
.case-content-media-text p {
  font-size: 17px;
  line-height: 1.6;
  opacity: .8;
  margin: 0 0 20px;
}

/* ─ Related projects ─ */
.case-related { padding-top: 96px; }
.case-related-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 48px;
}
.case-related-header h2 { font-size: 40px; margin: 0; }

.case-related-carousel { display: grid; }
.case-related-track {
  grid-area: 1 / 1;
  display: flex;
  gap: 24px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-bottom: 4px;
  margin: 0 -2px;
}
.case-related-track::-webkit-scrollbar { display: none; }
.case-related-item {
  scroll-snap-align: start;
  flex: 0 0 300px;
  color: #fff;
  text-decoration: none;
}
.case-related-item .image {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: 8px;
  overflow: hidden;
  background: #222;
}
.case-related-item .image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform .5s ease;
}
.case-related-item:hover .image img { transform: scale(1.05); }
.case-related-item .tags {
  margin-top: 16px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .04em;
  opacity: .55;
}
.case-related-item h3 { font-size: 20px; margin: 6px 0 0; }

.case-related-nav {
  grid-area: 1 / 1;
  align-self: center;
  justify-self: end;
  position: sticky;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 10px;
  margin-right: 16px;
  z-index: 5;
}
.case-related-nav button {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(0,0,0,.4);
  transition: background .2s ease, transform .15s ease, opacity .2s ease;
}
.case-related-nav button svg { width: 18px; height: 18px; flex: none; }
.case-related-prev { background: rgba(17,17,17,.7); color: #fff; backdrop-filter: blur(4px); }
.case-related-next { background: #fff; color: #111; }
.case-related-nav button:hover { transform: scale(1.08); }
.case-related-nav button:disabled { opacity: .25; cursor: default; }

@media (pointer: coarse) {
  .case-related-nav { display: none; }
}

/* ─ Case CTA footer link ─ */
.case-footer-nav {
  display: flex;
  justify-content: center;
  padding: 64px 0 0;
}

@media screen and (max-width: 991px) {
  .case-hero { padding: 120px 0 40px; }
  .case-hero h1 { font-size: 40px; }
  .case-hero .meta { gap: 24px; }

  .case-summary-grid { grid-template-columns: 1fr; gap: 32px; }

  .case-gallery { height: 140vh; margin-top: 56px; }
  .case-gallery-media { height: max(14rem, 18vh); box-shadow: .5rem .5rem .5rem rgba(0,0,0,.35); }
  .case-gallery-row-even { transform: translateX(calc(var(--scroll-progress, 0%) * 0.035)); }
  .case-gallery-row-odd  { transform: translateX(calc(var(--scroll-progress, 0%) * -0.035)); }

  .case-content-media { padding-top: 56px; }
  .case-content-media-grid { grid-template-columns: 1fr; gap: 32px; }
  .case-content-media-text { position: static; }

  .case-related { padding-top: 56px; }
  .case-related-header h2 { font-size: 28px; }
  .case-related-item { flex: 0 0 240px; }
}