/* =============================================
   CASE PAGE — styles
   ============================================= */

/* ── CASE HERO ── */
.case-hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr;
  overflow: hidden;
  padding-top: var(--nav-h);
  background: var(--black);
}

.case-hero__halftone {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    radial-gradient(circle, rgba(242,242,242,0.13) 1px, transparent 1px);
  background-size: 16px 16px;
  mask-image: linear-gradient(to right, black 0%, transparent 70%);
  -webkit-mask-image: linear-gradient(to right, black 0%, transparent 70%);
}

.case-hero__content {
  position: relative;
  z-index: 2;
  padding: 80px 40px 80px 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.case-hero__num {
  font-family: var(--font-display);
  font-size: 120px;
  line-height: 1;
  color: var(--accent);
  opacity: 0.25;
  display: block;
  margin-bottom: -20px;
}

.case-hero__title {
  font-family: var(--font-display);
  font-size: clamp(56px, 6vw, 96px);
  line-height: 0.92;
  letter-spacing: 0.02em;
  color: var(--white);
  margin-bottom: 48px;
}

.case-hero__meta {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}

.meta__label {
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--accent);
  opacity: 0.7;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.meta__val {
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-10);
  letter-spacing: 0.05em;
}

.case-hero__img {
  position: relative;
  z-index: 2;
  overflow: hidden;
}

.case-hero__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(20%);
}

/* ── NAV BACK ── */
.nav__back {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--gray-20);
  transition: color 0.2s;
}
.nav__back:hover { color: var(--white); }

/* ── CASE BODY ── */
.case-body {
  max-width: 1400px;
  margin: 0 auto;
  padding: 80px 40px;
}

/* ── CASE SECTION ── */
.case-section {
  margin-bottom: 80px;
}

.case-section__label {
  font-family: var(--font-body);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.3em;
  color: var(--gray-40);
  margin-bottom: 32px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--gray-80);
}

/* ── INTRO ── */
.case-intro__text h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 5vw, 64px);
  letter-spacing: 0.03em;
  color: var(--white);
  margin-bottom: 24px;
}

.case-intro__text p {
  font-size: 18px;
  line-height: 1.75;
  color: var(--gray-10);
  max-width: 680px;
}

/* ── CASE GRID ── */
.case-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.case-grid__item {
  overflow: hidden;
  background: var(--gray-80);
  position: relative;
}

.case-grid__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}

.case-grid__item:hover img {
  transform: scale(1.03);
}

.case-grid__item--full {
  grid-column: 1 / -1;
}

/* ── CASE NAV ── */
.case-nav {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  padding: 60px 0 0;
  border-top: 1px solid var(--gray-80);
  margin-top: 80px;
}

.case-nav__prev,
.case-nav__next {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.case-nav__next {
  text-align: right;
}

.case-nav__prev span,
.case-nav__next span {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.25em;
  color: var(--gray-40);
}

.case-nav__prev strong,
.case-nav__next strong {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 40px);
  letter-spacing: 0.05em;
  color: var(--gray-20);
  transition: color 0.2s;
}

.case-nav__prev:hover strong,
.case-nav__next:hover strong {
  color: var(--accent);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .case-hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
  }

  .case-hero__content {
    padding: 60px 24px 40px;
  }

  .case-hero__img {
    height: 50vw;
    min-height: 300px;
  }

  .case-body {
    padding: 60px 24px;
  }

  .case-grid {
    grid-template-columns: 1fr;
  }

  .case-grid__item--full {
    grid-column: 1;
  }
}