/* =========================================================================
   Case Study — individual project page template
   ========================================================================= */

/* ─── Page base ─── */
.page-case {
  background: var(--light);
  color: var(--dark);
}

/* ═══════════════════════════════════════════════════════════════════════
   HERO — light header with title + full-bleed image
   ═══════════════════════════════════════════════════════════════════════ */
.cs-hero {
  padding: 25vh var(--page-pad) 0;
}

.cs-hero__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  max-width: 1400px;
  margin: 0 auto 32px;
}

.cs-hero__title {
  font-size: clamp(48px, 8vw, 140px);
  line-height: 0.92;
  font-weight: 500;
  letter-spacing: -0.04em;
  text-transform: uppercase;
  color: var(--dark);
  margin: 0;
}

.cs-hero__back {
  display: inline-flex;
  align-items: center;
  gap: 4.5px;
  font-size: 7.5px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--dark);
  text-decoration: none;
  border: 1px solid rgba(0,0,0,0.2);
  padding: 6px 10.5px;
  flex-shrink: 0;
  transition: border-color var(--motion-base) var(--ease-standard);
}

.cs-hero__back:hover {
  border-color: var(--dark);
  opacity: 1;
}

/* Hero entrance animation */
.cs-hero__title,
.cs-hero__back {
  animation: heroReveal 2.2s var(--ease-out) forwards;
  opacity: 0;
  will-change: opacity, filter;
}
.cs-hero__title { animation-delay: 0.1s; }
.cs-hero__back  { animation-delay: 0.3s; }

/* Full-bleed hero image — edge to edge */
.cs-hero__image {
  width: 100vw;
  margin-left: calc(-1 * var(--page-pad));
  aspect-ratio: 16 / 9;
  overflow: hidden;
  animation: heroReveal 2.2s var(--ease-out) forwards;
  opacity: 0;
  animation-delay: 0.2s;
}

.cs-hero__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cs-hero__img-placeholder {
  width: 100%;
  height: 100%;
}

/* ═══════════════════════════════════════════════════════════════════════
   PROJECT OVERVIEW — centered single column
   ═══════════════════════════════════════════════════════════════════════ */
.cs-overview {
  max-width: 800px;
  margin: 0 auto;
  padding: 96px var(--page-pad);
  text-align: center;
}

.cs-overview__meta {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.cs-overview__meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cs-overview__meta-label {
  font-size: 10px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.4);
}

.cs-overview__meta-value {
  font-size: 13px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--dark);
}

.cs-overview__desc {
  font-size: clamp(20px, 2.6vw, 32px);
  line-height: 1.05;
  font-weight: var(--fw-medium);
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--dark);
  margin: 0;
  text-wrap: balance;
}

/* Paragraph spacing when the detailed description has multiple paragraphs */
.cs-overview__desc p {
  margin: 0;
}
.cs-overview__desc p + p {
  margin-top: 0.8em;
}

.cs-overview__rule {
  width: 40px;
  height: 1px;
  background: rgba(0,0,0,0.15);
  margin: 40px auto 0;
}

/* ═══════════════════════════════════════════════════════════════════════
   GALLERY — varied widths, centered, organic rhythm
   ═══════════════════════════════════════════════════════════════════════ */
.cs-gallery {
  max-width: 56rem;
  margin: 0 auto;
  padding: 0 var(--page-pad) 96px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(72px, 10vw, 112px);
}

/* ─── Width variants ─── */
.cs-gallery__item {
  overflow: hidden;
}

.cs-gallery__item--full {
  width: 100%;
}

.cs-gallery__item--large {
  width: 85%;
}

.cs-gallery__item--medium {
  width: 70%;
}

.cs-gallery__item--small {
  width: 55%;
}

/* ─── Alignment variants ─── */
.cs-gallery__item--left {
  align-self: flex-start;
}

.cs-gallery__item--right {
  align-self: flex-end;
}

.cs-gallery__item--center {
  align-self: center;
}

/* ─── Images & placeholders ─── */
.cs-gallery__img {
  width: 100%;
  height: auto;
  display: block;
}

.cs-gallery__img--landscape {
  aspect-ratio: 16 / 10;
}

.cs-gallery__img--portrait {
  aspect-ratio: 3 / 4;
}

.cs-gallery__img--square {
  aspect-ratio: 1 / 1;
}

.cs-gallery__img--wide {
  aspect-ratio: 21 / 9;
}

/* ─── Two-column within gallery ─── */
.cs-gallery__pair {
  display: grid;
  gap: 20px;
  width: 100%;
}

.cs-gallery__pair--equal {
  grid-template-columns: 1fr 1fr;
}

.cs-gallery__pair--left-heavy {
  grid-template-columns: 1.4fr 1fr;
}

.cs-gallery__pair--right-heavy {
  grid-template-columns: 1fr 1.4fr;
}

.cs-gallery__pair-item {
  overflow: hidden;
}

.cs-gallery__pair-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ═══════════════════════════════════════════════════════════════════════
   TEXT BLOCK / PULL QUOTE
   ═══════════════════════════════════════════════════════════════════════ */
.cs-quote {
  max-width: 700px;
  margin: 0 auto;
  padding: 48px var(--page-pad);
  text-align: center;
  width: 100%;
}

.cs-quote__text {
  font-size: clamp(22px, 3vw, 40px);
  line-height: 1.2;
  font-weight: var(--fw-medium);
  letter-spacing: -0.02em;
  color: var(--dark);
  margin: 0;
  text-wrap: balance;
}

.cs-quote__attrib {
  margin-top: 20px;
  font-size: 11px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.4);
}

/* ═══════════════════════════════════════════════════════════════════════
   NEXT PROJECT — full-width banner
   ═══════════════════════════════════════════════════════════════════════ */
.cs-next {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 400px;
  text-decoration: none;
  color: var(--dark);
  margin-top: clamp(72px, 9vw, 120px);   /* let the last gallery image breathe */
  padding-top: clamp(40px, 5vw, 64px);    /* gap between the top line and content/image */
  border-top: 1px solid rgba(0,0,0,0.1);
  transition: opacity var(--motion-base) var(--ease-standard);
}

.cs-next:hover {
  opacity: 1;
}

.cs-next__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 16px;
  padding: 64px var(--page-pad);
}

.cs-next__label {
  font-size: 10px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.4);
}

.cs-next__title {
  /* Match the Selected Work project titles (.pw-row__title) */
  font-size: clamp(28px, 3.5vw, 52px);
  line-height: 1;
  font-weight: var(--fw-medium);
  letter-spacing: -0.03em;
  text-transform: uppercase;
  color: var(--dark);
  margin: 0;
}

.cs-next__cta {
  font-size: 11px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(0,0,0,0.5);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cs-next__arrow {
  font-size: 14px;
  transition: transform var(--motion-base) var(--ease-standard);
}

.cs-next:hover .cs-next__arrow {
  transform: translate(2px, -2px);
}

.cs-next__image {
  overflow: hidden;
}

.cs-next__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  min-height: 400px;
}

.cs-next__img-placeholder {
  width: 100%;
  height: 100%;
  min-height: 400px;
}

/* ═══════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════ */
@media (max-width: 900px) {
  .cs-hero__title {
    font-size: clamp(36px, 10vw, 80px);
  }

  .cs-gallery__pair {
    grid-template-columns: 1fr !important;
  }

  .cs-gallery__item--full,
  .cs-gallery__item--large,
  .cs-gallery__item--medium,
  .cs-gallery__item--small {
    width: 100%;
  }

  .cs-gallery__item--left,
  .cs-gallery__item--right {
    align-self: stretch;
  }

  .cs-next {
    grid-template-columns: 1fr;
  }

  .cs-next__image {
    order: 0;
  }

  .cs-next__img,
  .cs-next__img-placeholder {
    min-height: 280px;
  }

  .cs-overview__meta {
    gap: 24px;
  }
}

@media (max-width: 600px) {
  .cs-hero {
    padding: 7rem var(--page-pad) 0;
  }

  .cs-hero__top {
    flex-direction: row;
    align-items: flex-end;
    justify-content: space-between;
    gap: 12px;
  }

  .cs-hero__back {
    align-self: auto;
  }
}