/* ============================================================
   CASE STUDY PAGE
   ============================================================ */

/* HERO */
.cs-hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
}

.cs-hero__image {
  position: absolute;
  inset: 0;
}

.cs-hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.cs-hero__image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0,0,0,0.25) 0%,
    rgba(0,0,0,0.1) 40%,
    rgba(0,0,0,0.7) 100%
  );
}

.cs-hero__content {
  position: relative;
  z-index: 2;
  padding: 0 2.5rem 5rem;
  width: 100%;
}

.cs-hero__eyebrow {
  font-family: var(--font-body);
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 1.25rem;
}

.cs-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(3.5rem, 9vw, 8rem);
  font-weight: 300;
  line-height: 0.95;
  letter-spacing: -0.02em;
}

.cs-hero__title em {
  font-style: italic;
  display: block;
}

.cs-hero__scroll {
  position: absolute;
  bottom: 2.5rem;
  right: 2.5rem;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey);
}

.cs-hero__scroll-line {
  width: 1px;
  height: 60px;
  background: var(--grey);
  transform-origin: top;
  animation: scrollPulse 2s ease-in-out infinite;
}

/* META BAR */
.cs-meta {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-bottom: 1px solid var(--border-subtle);
}

.cs-meta__item {
  padding: 2.5rem 2.5rem 2.5rem 2rem;
  border-right: 1px solid var(--border-subtle);
}

.cs-meta__item:first-child {
  padding-left: 2.5rem;
}

.cs-meta__item:last-child {
  border-right: none;
}

.cs-meta__item--url {
  grid-column: 1 / -1;
  border-right: none;
  border-top: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.75rem 2.5rem;
}

.cs-meta__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 300;
  color: var(--white);
  text-decoration: none;
  transition: color 0.3s ease, transform 0.3s ease, gap 0.3s ease;
  transform-origin: left center;
}

.cs-meta__link::after {
  content: '↗';
  font-style: normal;
  font-size: 0.65em;
  color: var(--grey);
  transition: transform 0.3s ease, color 0.3s ease;
}

.cs-meta__link:hover {
  color: #f5c842;
  transform: scale(1.08);
  gap: 0.8rem;
}

.cs-meta__link:hover::after {
  transform: translate(4px, -4px);
  color: #f5c842;
}

.cs-meta__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--grey);
  margin-bottom: 0.75rem;
}

.cs-meta__value {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 300;
  line-height: 1.5;
}

/* OVERVIEW */
.cs-overview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  padding: 8rem 2.5rem;
  border-bottom: 1px solid var(--border-subtle);
  align-items: start;
}

.cs-overview__heading {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.01em;
  position: sticky;
  top: 8rem;
}

.cs-overview__heading em {
  font-style: italic;
}

.cs-overview__body {
  font-size: 1.1rem;
  color: var(--grey);
  line-height: 2.1;
  max-width: 580px;
}

.cs-overview__body + .cs-overview__body {
  margin-top: 1.5rem;
}

/* IMAGES */
.cs-image {
  overflow: hidden;
}

.cs-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 1.2s cubic-bezier(0.23, 1, 0.32, 1);
}

.cs-image--full {
  height: 80vh;
  min-height: 500px;
}

.cs-image--full img {
  height: 100%;
}

.cs-image--padded {
  padding: 0 2.5rem;
  margin: 4rem 0;
}

.cs-image-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  padding: 4rem 2.5rem;
}

.cs-image-grid .cs-image {
  aspect-ratio: 4 / 3;
}

/* STATEMENT PULL QUOTE */
.cs-quote {
  padding: 8rem 2.5rem;
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.cs-quote__text {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 3.5rem);
  font-weight: 300;
  line-height: 1.25;
  max-width: 900px;
}

.cs-quote__text em {
  font-style: italic;
  color: var(--grey);
}

.cs-quote__text--sm {
  font-size: clamp(1.5rem, 3vw, 2.6rem);
}

/* NEXT PROJECT */
.cs-next {
  border-top: 1px solid var(--border-subtle);
  padding: 4rem 2.5rem;
}

.cs-back {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--grey);
  text-decoration: none;
  transition: color 0.3s ease, gap 0.3s ease;
}

.cs-back:hover {
  color: var(--white);
  gap: 1.25rem;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .cs-meta {
    grid-template-columns: repeat(2, 1fr);
  }

  .cs-meta__item:nth-child(2) {
    border-right: none;
  }

  .cs-meta__item:nth-child(3) {
    border-top: 1px solid var(--border-subtle);
    border-right: 1px solid var(--border-subtle);
  }

  .cs-meta__item:nth-child(4) {
    border-top: 1px solid var(--border-subtle);
    border-right: none;
  }
}

@media (max-width: 768px) {
  .cs-hero {
    height: 65vh;
    min-height: 400px;
  }

  .cs-image--full {
    height: auto;
    min-height: 0;
  }

  .cs-image--full img {
    height: auto;
  }

  .cs-hero__content {
    padding: 0 1.5rem 4rem;
  }

  .cs-meta {
    grid-template-columns: repeat(2, 1fr);
  }

  .cs-meta__item {
    padding: 1.5rem;
    border-right: 1px solid var(--border-subtle);
  }

  .cs-meta__item:first-child {
    padding-left: 1.5rem;
  }

  .cs-meta__item:nth-child(2) {
    border-right: none;
  }

  .cs-meta__item:nth-child(3) {
    border-top: 1px solid var(--border-subtle);
    border-right: 1px solid var(--border-subtle);
  }

  .cs-meta__item:nth-child(4) {
    border-top: 1px solid var(--border-subtle);
    border-right: none;
  }

  .cs-overview {
    grid-template-columns: 1fr;
    padding: 5rem 1.5rem;
    gap: 2.5rem;
  }

  .cs-overview__heading {
    position: static;
  }

  .cs-image-grid {
    grid-template-columns: 1fr;
    padding: 2rem 1.5rem;
  }

  .cs-quote {
    padding: 5rem 1.5rem;
  }

  .cs-next__link {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 3rem 1.5rem;
  }
}