/* Case study pages — matches premium / microsite design system */
.cs-page { background: var(--bg-base, #04040e); color: var(--text-1, #fff); }

.cs-hero {
  padding: 48px 28px 56px;
  max-width: 1320px;
  margin: 0 auto;
}
.cs-back { font-size: 13px; color: var(--text-3); text-decoration: none; display: inline-block; margin-bottom: 16px; }
.cs-back:hover { color: var(--accent); }
.cs-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}
.cs-hero h1 {
  font-family: var(--font-display, 'Space Grotesk', sans-serif);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
  max-width: 820px;
}
.cs-hero-lead {
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 32px;
}
.cs-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  max-width: 720px;
}
.cs-stat {
  background: var(--bg-surface, rgba(255,255,255,0.04));
  border: 1px solid var(--border, rgba(255,255,255,0.08));
  border-radius: 14px;
  padding: 22px 20px;
  text-align: center;
}
.cs-stat-val {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-green, #43e97b);
  margin-bottom: 4px;
}
.cs-stat-lbl { font-size: 0.8rem; color: var(--text-3); }

.cs-body { padding: 56px 28px 80px; }
.cs-wrap { max-width: 1320px; margin: 0 auto; }
.cs-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 48px;
  align-items: start;
}
.cs-main h2 {
  font-size: 1.35rem;
  font-weight: 800;
  margin: 40px 0 14px;
  color: var(--text-1);
}
.cs-main h2:first-child { margin-top: 0; }
.cs-main h3 { font-size: 1rem; font-weight: 700; margin: 24px 0 10px; color: var(--text-1); }
.cs-main p { color: var(--text-2); line-height: 1.75; margin-bottom: 14px; font-size: 0.95rem; }
.cs-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cs-list li {
  display: flex;
  gap: 10px;
  color: var(--text-2);
  font-size: 0.93rem;
  line-height: 1.55;
}
.cs-list li::before {
  content: "→";
  color: var(--accent);
  font-weight: 700;
  flex-shrink: 0;
}

.cs-results {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 24px 0 32px;
}
.cs-result-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}
.cs-result-card .val { font-size: 1.5rem; font-weight: 800; color: var(--accent-green); margin-bottom: 6px; }
.cs-result-card h4 { font-size: 0.9rem; font-weight: 700; margin-bottom: 6px; }
.cs-result-card p { font-size: 0.82rem; margin: 0; color: var(--text-3); }

.cs-quote {
  border-left: 3px solid var(--accent);
  padding: 20px 24px;
  margin: 32px 0;
  background: var(--bg-surface);
  border-radius: 0 12px 12px 0;
}
.cs-quote p { font-size: 1rem; font-style: italic; color: var(--text-2); margin-bottom: 12px; }
.cs-quote cite { font-size: 0.85rem; color: var(--text-3); font-style: normal; }

.cs-sidebar-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
  margin-bottom: 16px;
  position: sticky;
  top: 104px;
}
.cs-sidebar-card h3 {
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-3);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}
.cs-profile-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.cs-profile-row:last-child { border-bottom: none; }
.cs-profile-row strong { color: var(--text-1); }
.cs-profile-row span { color: var(--text-3); text-align: right; }
.cs-related { list-style: none; padding: 0; margin: 0; }
.cs-related li { margin-bottom: 8px; }
.cs-related a { font-size: 0.88rem; color: var(--accent); font-weight: 600; }
.cs-related a:hover { text-decoration: underline; }

.cs-cta-band {
  margin-top: 48px;
  background: linear-gradient(135deg, rgba(102,126,234,0.12), rgba(0,242,254,0.06));
  border: 1px solid rgba(102,126,234,0.25);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
}
.cs-cta-band h2 { font-size: 1.5rem; margin-bottom: 10px; }
.cs-cta-band p { color: var(--text-2); margin-bottom: 20px; }
.cs-cta-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }

@media (max-width: 900px) {
  .cs-grid { grid-template-columns: 1fr; }
  .cs-sidebar-card { position: static; }
  .cs-stats { grid-template-columns: 1fr; }
  .cs-results { grid-template-columns: 1fr; }
}