/* case overlay styles */
.case-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  background: #000;
  overflow-y: auto;
  overflow-x: hidden;
  animation: caseIn .6s var(--ease-out);
}
@keyframes caseIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.case-head {
  position: sticky; top: 0;
  display: flex; justify-content: space-between; align-items: center;
  padding: 24px var(--pad-x);
  background: rgba(0,0,0,0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 5;
  border-bottom: 1px solid var(--line);
}
.case-head .close {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  transition: all .25s var(--ease);
}
.case-head .close:hover { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

.case-title {
  padding: 80px var(--pad-x) 24px;
  font-family: var(--font-display);
  font-size: clamp(80px, 16vw, 280px);
  font-weight: 800;
  letter-spacing: -0.06em;
  line-height: 0.84;
}
.case-sub {
  padding: 0 var(--pad-x) 60px;
  display: flex; justify-content: space-between; gap: 60px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--fg-dim);
}
.case-sub > div:last-child {
  max-width: 36ch; text-align: right;
  text-transform: none; letter-spacing: 0;
  font-family: var(--font-body);
  font-size: 18px; line-height: 1.5;
  color: var(--fg-dim);
}

.case-hero {
  position: relative;
  width: 100%;
  aspect-ratio: 21 / 9;
  margin-top: 60px;
  overflow: hidden;
}
.case-strip {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-auto-rows: 320px;
  gap: 4px;
  margin-top: 4px;
}
.case-tile {
  position: relative;
  overflow: hidden;
}
.case-tile.tall { grid-row: span 2; }
.case-tile.wide { grid-column: span 2; }

.case-credits {
  padding: 120px var(--pad-x);
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
  border-top: 1px solid var(--line);
}
.credit-row {
  display: flex; justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-2);
  font-family: var(--font-mono); font-size: 13px;
  letter-spacing: 0.06em;
}
.credit-row span:first-child { color: var(--mute); text-transform: uppercase; letter-spacing: 0.14em; font-size: 11px; }

.case-nav {
  padding: 80px var(--pad-x) 140px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: flex-end;
}
.case-nav .next {
  text-align: right;
  display: flex; flex-direction: column; align-items: flex-end; gap: 12px;
}
.case-nav .next-title {
  font-family: var(--font-display);
  font-size: clamp(48px, 7vw, 120px);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1;
  transition: color .25s var(--ease);
}
.case-nav .next:hover .next-title { color: var(--accent); }

@media (max-width: 900px) {
  .case-strip { grid-template-columns: 1fr 1fr; }
  .case-credits { grid-template-columns: 1fr; }
  .case-sub { flex-direction: column; }
  .case-sub > div:last-child { text-align: left; }
}

/* ============================================================
   Real video case-hero, plates with captions, slogan overlay
   ============================================================ */

.case-hero {
  position: relative;
  width: 100%;
  margin-top: 60px;
  overflow: hidden;
  background: #000;
  isolation: isolate;
}
.case-hero.ratio-16x9 { aspect-ratio: 16 / 9; }
.case-hero.ratio-21x9 { aspect-ratio: 21 / 9; }
.case-hero.ratio-9x16,
.case-hero.ratio-3x4 {
  aspect-ratio: auto;
  height: 88vh;
  max-height: 1100px;
}

/* HUD inside case hero (mirrors feat-stage .hud) */
.case-hero .hud {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: space-between;
  padding: clamp(20px, 2.4vw, 36px);
  pointer-events: none;
  z-index: 4;
}
.case-hero .hud .top,
.case-hero .hud .bottom {
  display: flex; justify-content: space-between; align-items: flex-end;
  gap: 24px;
}
.case-hero .hud .top { align-items: flex-start; }
.case-hero .hud .stamp {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: #fff;
  padding: 6px 10px;
  background: rgba(0,0,0,0.45);
  border: 1px solid rgba(255,255,255,0.18);
  backdrop-filter: blur(4px);
}
.case-hero .hud .stamp .rec {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  animation: blink 1.4s steps(2,end) infinite;
}
.case-hero .hud .tc {
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: 0.14em; color: rgba(255,255,255,0.85);
}
.case-hero .hud .center-mark {
  position: absolute; left: 50%; top: 50%;
  transform: translate(-50%, -50%);
  width: 56px; height: 56px;
}
.case-hero .hud .center-mark::before,
.case-hero .hud .center-mark::after {
  content: ""; position: absolute;
  width: 12px; height: 12px;
  border: 1px solid rgba(255,255,255,0.4);
}
.case-hero .hud .center-mark::before { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.case-hero .hud .center-mark::after  { bottom: 0; right: 0; border-left: 0; border-top: 0; }

.case-hero .playhead {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px; background: rgba(255,255,255,0.12);
  z-index: 5;
}
.case-hero .playhead::after {
  content: ""; position: absolute; inset: 0;
  background: var(--fg);
  transform-origin: left;
  animation: playFill 15s linear infinite;
}

/* slogan card overlay on the case hero (bottom-left) */
.case-slogan {
  position: absolute;
  left: clamp(20px, 3vw, 56px);
  bottom: clamp(60px, 7vw, 110px);
  z-index: 5;
  display: flex; flex-direction: column; gap: 8px;
  padding: 18px 22px;
  background: rgba(0,0,0,0.5);
  border: 1px solid rgba(255,255,255,0.16);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  max-width: 36ch;
}
.case-slogan .lbl {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--mute);
}
.case-slogan .txt {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.2vw, 32px);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: #fff;
  font-style: italic;
}

/* plate strip — adaptive layouts by count */
.case-strip {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-auto-rows: 320px;
  gap: 4px;
  margin-top: 4px;
}
/* with only one plate, span everything full-bleed */
.case-strip.plates-1 {
  grid-template-columns: 1fr;
  grid-auto-rows: minmax(420px, 60vh);
}
.case-strip.plates-1 .case-tile.wide { grid-column: 1 / -1; }

/* two plates */
.case-strip.plates-2 {
  grid-template-columns: 1fr 1fr;
  grid-auto-rows: minmax(360px, 50vh);
}

/* three plates: tall hero left, two stacked right */
.case-strip.plates-3 {
  grid-template-columns: 1.4fr 1fr;
  grid-auto-rows: minmax(240px, 32vh);
}
.case-strip.plates-3 .case-tile.tall { grid-row: span 2; }

.case-tile {
  position: relative;
  overflow: hidden;
  background: #0a0a0a;
}
.case-tile-cap {
  position: absolute;
  inset: auto 0 0 0;
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px;
  background: linear-gradient(180deg, rgba(0,0,0,0) 0%, rgba(0,0,0,0.7) 70%, rgba(0,0,0,0.85) 100%);
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.85);
  z-index: 3;
  pointer-events: none;
}

@media (max-width: 900px) {
  .case-strip.plates-1,
  .case-strip.plates-2,
  .case-strip.plates-3 {
    grid-template-columns: 1fr;
    grid-auto-rows: minmax(260px, 44vh);
  }
  .case-strip.plates-3 .case-tile.tall { grid-row: auto; }
  .case-hero.ratio-9x16 { height: 70vh; }
  .case-slogan {
    left: 16px; right: 16px;
    bottom: 24px;
    padding: 12px 16px;
  }
}