.ct-main { padding-top: 76px; }

/* ---- HERO ---- */
.ct-cs-hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  background: var(--ct-black);
  background-image: linear-gradient(rgba(12,15,24,0.82), rgba(12,15,24,0.92)), url('/assets/images/case-studies-bg.jpg');
  background-size: cover;
  background-position: center;
}
.ct-cs-hero .eyebrow { color: var(--ct-gold); margin-bottom: 20px; display: block; }
.ct-cs-hero h1 { color: var(--ct-white); font-weight: 900; margin-bottom: 20px; max-width: 700px; }
.ct-cs-hero__sub { font-size: 16px; color: rgba(255,255,255,0.55); max-width: 540px; line-height: 1.85; }

/* ---- FILTERS ---- */
.ct-cs-filters {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--ct-border);
}
.ct-cs-filter {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 8px 18px;
  border: 1px solid var(--ct-border);
  border-radius: var(--radius);
  color: var(--ct-caption);
  background: transparent;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.ct-cs-filter:hover,
.ct-cs-filter.active { border-color: var(--ct-blue); color: var(--ct-blue); }

/* ---- CASE STUDY CARD ---- */
.ct-cs-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-md); }

.ct-cs-card {
  border: 1px solid var(--ct-border);
  border-top: 3px solid var(--ct-slate);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: border-top-color 0.2s, box-shadow 0.2s;
}
.ct-cs-card:hover {
  border-top-color: var(--ct-gold);
  box-shadow: 0 4px 32px rgba(12,15,24,0.07);
}
.ct-cs-card__industry {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--ct-blue-mid);
}
.ct-cs-card h3 { color: var(--ct-black); font-size: 20px; }
.ct-cs-card__challenge { color: var(--ct-caption); font-size: 14px; line-height: 1.8; flex: 1; }

.ct-cs-card__results {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: var(--space-sm);
  border-top: 1px solid var(--ct-border);
}
.ct-cs-card__results-label {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--ct-caption);
}
.ct-cs-card__result-item {
  font-size: 13px;
  color: var(--ct-text);
  padding-left: 12px;
  position: relative;
}
.ct-cs-card__result-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 4px;
  background: var(--ct-gold);
  border-radius: 50%;
}

.ct-cs-card__link {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ct-blue);
  margin-top: auto;
}
.ct-cs-card__link:hover { color: var(--ct-gold); }

/* ---- DRAFT STATE ---- */
.ct-cs-draft-note {
  background: var(--ct-gray-light);
  border: 1px dashed var(--ct-border);
  padding: var(--space-lg);
  text-align: center;
  grid-column: 1 / -1;
}
.ct-cs-draft-note p { color: var(--ct-caption); font-size: 15px; line-height: 1.8; }

@media (max-width: 760px) {
  .ct-cs-grid { grid-template-columns: 1fr; }
}

/* ---- DETAIL PAGE ---- */
.ct-cs-detail-hero {
  padding: var(--space-2xl) 0 var(--space-xl);
  background: var(--ct-black);
  background-image: linear-gradient(rgba(12,15,24,0.75), rgba(12,15,24,0.88)), url('/assets/images/case-studies-bg.jpg');
  background-size: cover;
  background-position: center;
}
.ct-cs-detail-hero .eyebrow { color: var(--ct-gold); display: block; margin-bottom: 20px; }
.ct-cs-detail-hero h1 { color: var(--ct-white); font-weight: 900; max-width: 720px; margin-bottom: 20px; }
.ct-cs-detail-hero__sub { font-size: 16px; color: rgba(255,255,255,0.55); max-width: 620px; line-height: 1.85; margin-bottom: var(--space-md); }
.ct-cs-meta-row { display: flex; gap: 12px; flex-wrap: wrap; }
.ct-cs-meta-chip { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.14em; color: rgba(255,255,255,0.5); border: 1px solid rgba(255,255,255,0.18); padding: 6px 14px; border-radius: 100px; }

.ct-cs-body { max-width: 760px; margin: 0 auto; }
.ct-cs-body h2 { font-size: 22px; margin-bottom: 16px; }
.ct-cs-body p { color: var(--ct-caption); line-height: 1.85; margin-bottom: 16px; }
.ct-cs-step { display: flex; gap: 20px; margin-bottom: 28px; }
.ct-cs-step__num { font-size: 13px; font-weight: 800; color: var(--ct-blue); min-width: 30px; padding-top: 2px; letter-spacing: 0.05em; }
.ct-cs-step__content h3 { font-size: 16px; margin-bottom: 8px; }
.ct-cs-step__content p { margin-bottom: 0; font-size: 15px; }
.ct-cs-outcomes { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 14px; margin-bottom: 0; }
.ct-cs-outcomes li { padding-left: 22px; position: relative; color: var(--ct-text); line-height: 1.75; font-size: 15px; }
.ct-cs-outcomes li::before { content: ''; position: absolute; left: 0; top: 9px; width: 6px; height: 6px; background: var(--ct-gold); border-radius: 50%; }
.ct-cs-services { display: flex; gap: 10px; flex-wrap: wrap; margin-top: var(--space-md); padding-top: var(--space-md); border-top: 1px solid var(--ct-border); }
.ct-cs-service-tag { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.12em; color: var(--ct-blue); background: rgba(37,99,235,0.08); padding: 6px 14px; border-radius: 100px; }
.ct-cs-divider { height: 1px; background: var(--ct-border); margin: var(--space-lg) 0; }