/* ===========================
   Case Study Layout
   =========================== */
.cs {
  padding: 3rem 0 4rem;
}

.cs-back {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.25rem;
  min-height: 44px;
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 2.5rem;
  transition: color 0.3s ease, background-color 0.3s ease;
}

.cs-back:hover {
  color: var(--color-white);
  background-color: var(--color-border);
}

/* Header */
.cs-header {
  margin-bottom: 2.5rem;
}

.cs-title {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: 0.5rem;
}

.cs-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
}

.cs-meta {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.cs-meta-row {
  font-size: 0.85rem;
}

.cs-meta-label {
  font-weight: 700;
  color: var(--color-white);
}

.cs-meta-value {
  color: var(--color-text-muted);
}

/* Body Text */
.cs-body {
  max-width: 720px;
  margin-bottom: 2rem;
}

.cs-body p {
  font-size: 0.95rem;
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: 1rem;
}

.cs-body strong {
  color: var(--color-white);
  font-weight: 700;
}

.cs-body ul {
  list-style: disc;
  padding-left: 1.25rem;
  margin-bottom: 1rem;
}

.cs-body li {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.75;
  margin-bottom: 0.25rem;
}

.cs-body li strong {
  color: var(--color-white);
}

/* Sections */
.cs-section {
  margin-bottom: 3rem;
}

.cs-section-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1.25rem;
}

/* Image Blocks */
.cs-image-block {
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 1.5rem;
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 200px;
}

.cs-image-block img {
  max-width: 100%;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}

.cs-image-block--mint {
  background-color: #d8f5e0;
}

.cs-image-block--blue {
  background-color: #c4ddf9;
}

/* ===========================
   Responsive
   =========================== */
@media (max-width: 768px) {
  .cs {
    padding: 2rem 0 3rem;
  }

  .cs-title {
    font-size: 1.35rem;
  }

  .cs-image-block {
    padding: 1rem;
    min-height: 150px;
  }
}

@media (max-width: 480px) {
  .cs {
    padding: 5rem 0 2rem;
  }

  .cs-title {
    font-size: 1.15rem;
  }

  .cs-subtitle {
    font-size: 0.85rem;
  }

  .cs-image-block {
    padding: 0.75rem;
    min-height: 120px;
    border-radius: 8px;
  }

  .cs-body p {
    font-size: 0.85rem;
  }

  .cs-body li {
    font-size: 0.82rem;
  }
}