/* ── Case study page ──────────────────────────────────────────────── */
.cs-banner {
  width: min(960px, calc(100% - 48px));
  margin-inline: auto;
  padding: 0 0 20px;
}
.cs-hero {
  display: block;
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--line);
}
.cs-section {
  border-top: 1px solid var(--line);
}
.cs-section h2 {
  margin-bottom: 16px;
}
.cs-layout {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  align-items: start;
}
.cs-stats {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.cs-stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px 18px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.cs-stat strong {
  font-size: 0.85rem;
  color: var(--muted);
  font-weight: 500;
}
.cs-stat span {
  font-size: 1.05rem;
  color: var(--accent);
  font-weight: 700;
}
.cs-flow {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 8px;
}
.cs-step {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.cs-step-num {
  color: var(--accent);
  font-weight: 800;
  font-size: 1.4rem;
  display: block;
  margin-bottom: 12px;
}
.cs-step h3 {
  margin-bottom: 8px;
}
.cs-decisions {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 8px;
}
.cs-decision h3 {
  color: var(--accent);
  font-size: 1rem;
  margin-bottom: 4px;
}
.cs-results {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 8px;
}
.cs-result {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
}
.cs-result-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 12px;
}
.cs-next ul {
  padding-left: 20px;
}
.cs-next li {
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 8px;
}
.cs-cta {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

@media (max-width: 800px) {
  .cs-layout,
  .cs-flow,
  .cs-results {
    grid-template-columns: 1fr;
  }
}