/* ===== CASE STUDY HERO ===== */
.cs-hero {
  background-color: var(--mint);
  border-bottom: 1px solid var(--black);
  padding: 6rem 0 0;
  text-align: center;
}

.cs-hero-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 2rem;
}

.cs-hero-label {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.5rem;
}

.cs-hero-title {
  font-family: 'Literata', serif;
  font-weight: 200;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.45;
  color: var(--text);
  max-width: 720px;
  margin: 0 auto 1rem;
}

.cs-hero-subtitle {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1rem;
  color: var(--text);
  margin-bottom: 3rem;
}

.cs-hero-image-wrapper {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 2rem;
}

.cs-hero-image {
  width: 100%;
  display: block;
  object-fit: cover;
  max-height: 500px;
  border-radius: 20px 20px 0 0;
  border: 1px solid var(--black);
  border-bottom: none;
}

/* ===== CASE STUDY BODY ===== */
.cs-body {
  background-color: var(--cream);
  padding-bottom: 3rem;
}

.cs-section {
  padding: 2.5rem 0;
}

.cs-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 2rem;
}

.cs-body-text {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text);
  max-width: 680px;
}

.cs-body-text + .cs-body-text {
  margin-top: 1rem;
}

.cs-body-image {
  max-width: 680px;
  width: 100%;
  margin-top: 1.5rem;
  border-radius: 12px;
  border: 1px solid var(--black);
}

.cs-section-title {
  font-family: 'Literata', serif;
  font-weight: 200;
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  line-height: 1.45;
  color: var(--text);
  max-width: 680px;
  margin: 0 0 1.5rem 0;
}

.cs-placeholder {
  max-width: 680px;
  margin: 1.5rem 0;
  padding: 1.5rem 2rem;
  border: 1px dashed var(--accent);
  border-radius: 12px;
  background-color: var(--mint);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.85rem;
  color: var(--accent);
  font-style: italic;
}

/* ===== META CARD ===== */
.cs-meta-card {
  background: var(--mint);
  border: 1px solid var(--black);
  border-radius: 16px;
  padding: 1.25rem 1.5rem;
}

.cs-meta-card .cs-meta-item {
  margin-bottom: 1rem;
}

.cs-meta-card .cs-meta-item:last-child {
  margin-bottom: 0;
}

.cs-meta-card .cs-meta-label {
  font-size: 0.65rem;
  margin-bottom: 0.1rem;
}

.cs-meta-card .cs-meta-value {
  font-size: 0.85rem;
  line-height: 1.4;
}

/* ===== OVERVIEW GRID ===== */
.cs-overview-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: start;
}

.cs-meta-item {
  margin-bottom: 1.5rem;
}

.cs-meta-label {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.25rem 0;
}

.cs-meta-value {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text);
  margin: 0;
}

/* ===== PULL QUOTE ===== */
.cs-pullquote {
  border-left: 3px solid var(--accent);
  padding: 1.5rem 0 1.5rem 2rem;
  margin: 2rem 0;
  max-width: 680px;
}

.cs-pullquote p {
  font-family: 'Literata', serif;
  font-style: italic;
  font-weight: 200;
  font-size: 1.25rem;
  line-height: 1.6;
  color: var(--text);
  margin: 0;
}

.cs-pullquote-cite {
  display: block;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-style: normal;
  font-size: 0.8rem;
  color: var(--accent);
  margin-top: 0.5rem;
}

/* ===== HIGHLIGHT / STAT CARDS ===== */
.cs-highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
  max-width: 680px;
}

.cs-highlight-card {
  background-color: var(--mint);
  border: 1px solid var(--black);
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cs-highlight-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.cs-highlight-number {
  font-family: 'Literata', serif;
  font-size: 2.5rem;
  font-weight: 400;
  color: var(--accent);
  display: block;
  margin-bottom: 0.5rem;
}

.cs-highlight-label {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.9rem;
  color: var(--text);
  margin: 0;
}

/* ===== CASE STUDY PREV/NEXT NAV ===== */
.cs-nav-bar {
  background-color: var(--cream);
  border-top: 1px solid var(--black);
}

.cs-nav-container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.cs-nav-link {
  text-decoration: none;
  color: var(--text);
  font-family: 'Plus Jakarta Sans', sans-serif;
  position: relative;
}

.cs-nav-link .cs-nav-title {
  position: relative;
}

.cs-nav-link .cs-nav-title::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 1px;
  bottom: -1px;
  left: 0;
  background: currentColor;
  transform: scaleX(1);
}

.cs-nav-link:hover .cs-nav-title::after {
  animation: underlineSwipe 0.6s ease;
}

.cs-nav-direction {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.cs-nav-title {
  display: block;
  font-size: 0.9rem;
  color: var(--text);
}

.cs-nav-prev {
  text-align: left;
}

.cs-nav-next {
  text-align: right;
}

.cs-nav-all {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  position: relative;
}

.cs-nav-all::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 1px;
  bottom: -2px;
  left: 0;
  background: currentColor;
  transform: scaleX(1);
}

.cs-nav-all:hover::after {
  animation: underlineSwipe 0.6s ease;
}

/* ===== RESPONSIVE: max-width 991px ===== */
@media (max-width: 991px) {
  .cs-overview-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .cs-hero-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
  }

  .cs-section {
    padding: 2rem 0;
  }

  .cs-hero {
    padding: 5rem 0 0;
  }
}

/* ===== RESPONSIVE: max-width 767px ===== */
@media (max-width: 767px) {
  .cs-highlight-grid {
    grid-template-columns: 1fr;
  }

  .cs-nav-container {
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
  }

  .cs-nav-prev,
  .cs-nav-next {
    text-align: center;
  }

  .cs-hero {
    padding: 4rem 0 0;
  }
}

/* ===== RESPONSIVE: max-width 479px ===== */
@media (max-width: 479px) {
  .cs-hero-title {
    font-size: 1.3rem;
  }

  .cs-section {
    padding: 1.5rem 0;
  }

  .cs-pullquote {
    padding-left: 1.25rem;
  }

  .cs-body-text {
    font-size: 0.9rem;
  }

  .cs-section-title {
    font-size: 1.1rem;
  }

  .cs-hero-image {
    max-height: 300px;
  }

  .cs-highlight-card {
    padding: 1.5rem;
  }

  .cs-highlight-number {
    font-size: 2rem;
  }
}