:root {
  --case-bg: #11100e;
  --case-panel: #171512;
  --case-ink: #f0ede7;
  --case-muted: #969087;
  --case-dim: #6f6a62;
  --case-line: rgba(240, 237, 231, 0.13);
  --case-gold: #e9c97e;
}

html { scroll-behavior: smooth; }

body.cases-page {
  margin: 0;
  color: var(--case-ink);
  background: var(--case-bg);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.cases-page *, .cases-page *::before, .cases-page *::after { box-sizing: border-box; }
.cases-page main { overflow: hidden; }
.case-shell { width: min(1180px, calc(100% - 80px)); margin-inline: auto; }

.case-hero {
  position: relative;
  min-height: min(680px, 78vh);
  display: flex;
  align-items: flex-end;
  border-bottom: 1px solid var(--case-line);
  overflow: hidden;
}

.case-hero-slides,
.case-hero-slide {
  position: absolute;
  inset: 0;
  margin: 0;
}

.case-hero-slide {
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s cubic-bezier(.2,.7,.2,1), visibility 1s;
}

.case-hero-slide.is-active { opacity: 1; visibility: visible; }

.case-hero-slide img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center 56%;
  filter: saturate(.72) contrast(1.04) brightness(.72);
  transform: scale(1.015);
}

.case-hero-slide:nth-child(n+2) img { object-position: center; filter: saturate(.8) contrast(1.02) brightness(.76); }

.case-hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(13,12,10,.92) 0%, rgba(13,12,10,.68) 36%, rgba(13,12,10,.12) 72%),
    linear-gradient(0deg, rgba(13,12,10,.76) 0%, rgba(13,12,10,0) 48%);
}

.case-hero-copy { position: relative; z-index: 2; padding-bottom: 88px; pointer-events: none; }
.case-kicker { color: var(--case-gold); font-size: 11px; font-weight: 500; line-height: 1.8; letter-spacing: 3.3px; }
.case-hero-copy .case-kicker::before { content: ""; display: inline-block; width: 38px; height: 1px; margin: 0 18px 4px 0; background: var(--case-gold); }
.case-hero h1 { margin: 34px 0 0; font-size: 40px; font-weight: 500; line-height: 1.8; letter-spacing: 3.2px; }

.case-hero-nav { position: absolute; z-index: 3; left: 50%; bottom: 28px; display: flex; align-items: center; justify-content: space-between; transform: translateX(-50%); }
.case-hero-dots { display: flex; align-items: center; gap: 8px; }
.case-hero-dots button { width: 28px; height: 18px; padding: 0; border: 0; cursor: pointer; background: transparent; position: relative; }
.case-hero-dots button::before { content: ""; position: absolute; left: 0; top: 8px; width: 100%; height: 1px; background: rgba(240,237,231,.28); transition: background .25s, transform .25s; transform-origin: left; }
.case-hero-dots button.is-active::before { background: var(--case-gold); transform: scaleX(1.35); }
.case-hero-arrows { display: flex; gap: 8px; }
.case-hero-arrows button { width: 38px; height: 38px; padding: 0; border: 1px solid rgba(240,237,231,.24); color: var(--case-ink); cursor: pointer; background: rgba(12,11,10,.22); font-size: 16px; transition: color .25s, border-color .25s, background .25s; }
.case-hero-arrows button:hover { color: #17130c; border-color: var(--case-gold); background: var(--case-gold); }

.case-category h2, .case-end h2 { margin: 0; font-size: 30px; font-weight: 500; line-height: 42px; letter-spacing: 1.8px; }

.case-category { padding: 108px 0 122px; }
.case-hero + .case-category { padding-top: 82px; }
.case-category + .case-category { border-top: 1px solid var(--case-line); }
.case-category-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 32px; margin-bottom: 48px; }
.case-category-head h2 { margin-top: 12px; }
.case-category-head > span { padding-bottom: 5px; color: var(--case-dim); font-size: 11px; letter-spacing: .18em; }
.case-grid { display: grid; gap: 30px; }
.case-grid-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.case-grid-two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.case-item { min-width: 0; }
.case-media { display: block; position: relative; aspect-ratio: 4 / 5; overflow: hidden; background: var(--case-panel); }
.case-item a:focus-visible { outline: 2px solid var(--case-gold); outline-offset: 5px; }
.case-media-wide { aspect-ratio: 16 / 10; }
.case-media::after { content: ""; position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.06); pointer-events: none; }
.case-media img { width: 100%; height: 100%; display: block; object-fit: cover; filter: saturate(.74) contrast(1.02); transition: transform .7s cubic-bezier(.2,.7,.2,1), filter .7s; }
.case-item:hover .case-media img { transform: scale(1.025); filter: saturate(.9) contrast(1.03); }
.case-triptych { display: grid; grid-template-columns: 1.45fr .75fr; grid-template-rows: 1fr 1fr; gap: 2px; }
.case-triptych img { min-width: 0; min-height: 0; }
.case-triptych-main { grid-row: 1 / 3; }
.case-item h3 { display: flex; justify-content: space-between; gap: 24px; margin: 22px 0 0; padding-bottom: 15px; border-bottom: 1px solid var(--case-line); font-size: 16px; font-weight: 600; line-height: 1.5; letter-spacing: .02em; }
.case-item h3 span { min-width: 0; }
.case-item h3 b { flex: 0 0 auto; color: var(--case-gold); font-weight: 500; letter-spacing: .08em; }
.case-item h3 b::before { content: "—"; margin-right: 10px; color: var(--case-dim); }
.case-product-link { display: flex; align-items: center; justify-content: space-between; gap: 20px; width: max-content; max-width: 100%; margin-top: 13px; color: var(--case-dim); font-size: 12px; line-height: 1.8; letter-spacing: .08em; transition: color .25s; }
.case-product-link span { color: var(--case-gold); }
.case-product-link:hover { color: var(--case-gold); }

.case-end { border-top: 1px solid var(--case-line); background: #0c0b0a; }
.case-end-inner { min-height: 280px; display: flex; justify-content: space-between; align-items: center; gap: 48px; }
.case-end h2 { margin-top: 14px; }
.case-end a { min-width: 174px; height: 48px; display: inline-flex; align-items: center; justify-content: space-between; gap: 26px; padding: 0 20px; border: 1px solid rgba(233,201,126,.55); color: var(--case-gold); font-size: 12px; letter-spacing: .16em; transition: color .25s, background .25s; }
.case-end a:hover { color: #17130c; background: var(--case-gold); }

@media (max-width: 900px) {
  .case-shell { width: min(100% - 48px, 760px); }
  .case-hero { min-height: 600px; }
  .case-grid-three { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .case-grid-three .case-item:first-child { grid-column: span 2; }
  .case-grid-three .case-item:first-child .case-media { aspect-ratio: 16 / 9; }
}

@media (max-width: 640px) {
  .case-shell { width: calc(100% - 36px); }
  .case-hero { min-height: 520px; align-items: flex-end; }
  .case-hero-slide:first-child img { object-position: 62% center; }
  .case-hero-slide:nth-child(n+2) img { object-position: 66% center; }
  .case-hero-shade { background: linear-gradient(0deg, rgba(13,12,10,.94) 0%, rgba(13,12,10,.42) 60%, rgba(13,12,10,.2) 100%); }
  .case-hero-copy { padding-bottom: 76px; }
  .case-hero-copy .case-kicker::before { width: 28px; margin-right: 12px; }
  .case-kicker { font-size: 10px; letter-spacing: 2.6px; }
  .case-hero h1 { margin: 24px 0 10px; font-size: 30px; line-height: 1.45; letter-spacing: 2px; }
  .case-hero p { font-size: 14px; line-height: 25px; }
  .case-category h2, .case-end h2 { font-size: 24px; line-height: 34px; letter-spacing: 1.2px; }
  .case-hero + .case-category { padding-top: 66px; }
  .case-category { padding: 74px 0 84px; }
  .case-category-head { align-items: flex-start; margin-bottom: 30px; }
  .case-category-head > span { display: none; }
  .case-grid, .case-grid-three, .case-grid-two { grid-template-columns: 1fr; gap: 46px; }
  .case-grid-three .case-item:first-child { grid-column: auto; }
  .case-media, .case-grid-three .case-item:first-child .case-media, .case-media-wide { aspect-ratio: 4 / 3; }
  .case-item h3 { margin-top: 18px; font-size: 15px; }
  .case-product-link { font-size: 11px; }
  .case-end-inner { min-height: 260px; flex-direction: column; align-items: flex-start; justify-content: center; gap: 34px; }
  .case-end a { min-width: 160px; }
  .case-hero-nav { bottom: 18px; }
  .case-hero-arrows { display: none; }
  .case-hero-dots button { width: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .case-media img, .case-end a, .case-hero-slide { transition: none; }
}