/* ═══════════════════════════════════════════════════════════════
   CASE-STUDIES.CSS — Case Studies page — page-specific styles only.
   Loaded after home.css. Uses home.css tokens — do NOT redefine.
   moazarshad.com
═══════════════════════════════════════════════════════════════ */

/* ── 1. Page Banner (inherits .page-banner from home.css) ────────── */
/* No overrides needed */

/* ── 2. Proof Philosophy Section ─────────────────────────────────── */
.cs-proof-grid {
  display: grid;
  grid-template-columns: 55fr 45fr;
  gap: 64px;
  align-items: start;
  margin-top: 40px;
}

.cs-proof-narrative h2 {
  color: var(--black);
  margin-bottom: 24px;
}

.cs-proof-body {
  font-size: var(--body-large);
  color: var(--gray-text);
  line-height: 1.7;
  max-width: 55ch;
  margin-bottom: 20px;
}

.cs-principles-wrap {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.cs-principle-card {
  background-color: var(--white);
  border: 1px solid var(--gray-line-light);
  border-left: 3px solid var(--yellow);
  border-radius: var(--radius-card);
  padding: 24px 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: transform var(--t-fast);
}

.cs-principle-card:hover {
  transform: translateY(-2px);
}

.cs-principle-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--black);
  letter-spacing: -0.01em;
}

.cs-principle-body {
  font-size: var(--small-size);
  color: var(--gray-text);
  line-height: 1.65;
  max-width: unset;
}

@media (max-width: 1023px) {
  .cs-proof-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

/* ── 3. Case Studies Grid ────────────────────────────────────────── */
.cs-grid-intro { margin-bottom: 48px; }

.cs-grid-intro h2 { color: var(--text-light); }

.cs-grid-sub {
  font-size: var(--body-size);
  color: var(--gray-text-dark);
  margin-top: 16px;
  max-width: 60ch;
}

.cs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.cs-card {
  background-color: var(--card-dark);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color var(--t-base), transform var(--t-fast);
}

.cs-card:hover {
  border-color: var(--yellow-border);
  transform: translateY(-2px);
}

.cs-card-industry {
  font-family: var(--font-mono);
  font-size: var(--mono-label);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--yellow);
  text-transform: uppercase;
}

.cs-card-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-light);
  letter-spacing: -0.02em;
  line-height: 1.25;
}

.cs-card-challenge {
  font-size: var(--small-size);
  color: var(--gray-text-dark);
  font-style: italic;
  line-height: 1.55;
  max-width: unset;
}

.cs-card-built {
  font-size: 14px;
  color: var(--gray-text-dark);
  line-height: 1.6;
  max-width: unset;
}

.cs-outcome-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.cs-outcome-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--black);
  background-color: rgba(233, 255, 92, 0.15);
  border: 1px solid rgba(233, 255, 92, 0.3);
  padding: 4px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  white-space: nowrap;
}

.cs-card-cta {
  margin-top: auto;
  padding-top: 8px;
}

.cs-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--yellow);
  font-family: var(--font-primary);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: opacity var(--t-fast);
}

.cs-card-link:hover { opacity: 0.75; }

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

/* ── 4. Detailed Case Study Sections ─────────────────────────────── */
.cs-detail-header { margin-bottom: 40px; }

.cs-detail-label {
  font-family: var(--font-mono);
  font-size: var(--mono-label);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  display: block;
  margin-bottom: 16px;
}

.section-light .cs-detail-label { color: var(--black); opacity: 0.45; }
.section-dark  .cs-detail-label { color: var(--yellow); }

.cs-detail-h2 {
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.section-light .cs-detail-h2 { color: var(--black); }
.section-dark  .cs-detail-h2 { color: var(--text-light); }

.cs-detail-challenge-line {
  font-size: var(--body-size);
  line-height: 1.65;
  max-width: 65ch;
}

.section-light .cs-detail-challenge-line { color: var(--gray-text); }
.section-dark  .cs-detail-challenge-line { color: var(--gray-text-dark); }

.cs-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
  margin-top: 40px;
  margin-bottom: 40px;
}

.cs-detail-block-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  display: block;
  margin-bottom: 16px;
}

.section-light .cs-detail-block-label { color: var(--gray-text); }
.section-dark  .cs-detail-block-label { color: var(--yellow); }

.cs-detail-block-title {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-light .cs-detail-block-title { color: var(--black); }
.section-dark  .cs-detail-block-title { color: var(--text-light); }

.cs-detail-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cs-detail-list li {
  font-size: 15px;
  line-height: 1.6;
  padding-left: 20px;
  position: relative;
  max-width: unset;
}

.section-light .cs-detail-list li { color: var(--gray-text); }
.section-dark  .cs-detail-list li { color: var(--gray-text-dark); }

.cs-detail-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--yellow);
  font-size: 12px;
  top: 4px;
}

.cs-detail-outcomes {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 32px;
  border-top: 1px solid var(--gray-line-light);
  margin-bottom: 32px;
}

.section-dark .cs-detail-outcomes { border-top-color: var(--gray-line); }

.cs-outcome-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 6px 14px;
  border-radius: 20px;
  white-space: nowrap;
}

.section-light .cs-outcome-pill {
  background-color: rgba(233, 255, 92, 0.18);
  border: 1px solid rgba(233, 255, 92, 0.35);
  color: var(--black);
}

.section-dark .cs-outcome-pill {
  background-color: rgba(233, 255, 92, 0.12);
  border: 1px solid rgba(233, 255, 92, 0.25);
  color: var(--text-light);
}

@media (max-width: 1023px) {
  .cs-detail-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* ── 5. Systems Used Section ─────────────────────────────────────── */
.cs-systems-intro { margin-bottom: 48px; }

.cs-systems-intro h2 { color: var(--text-light); }

.cs-systems-sub {
  font-size: var(--body-size);
  color: var(--gray-text-dark);
  margin-top: 16px;
  max-width: 60ch;
}

.cs-system-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.cs-system-tile {
  background-color: var(--card-dark);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius-tile);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--t-base), transform var(--t-fast);
}

.cs-system-tile:hover {
  border-color: var(--yellow-border);
  transform: translateY(-2px);
}

.cs-system-num {
  font-family: var(--font-mono);
  font-size: var(--mono-label);
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--yellow);
  text-transform: uppercase;
}

.cs-system-name {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-light);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

@media (max-width: 1023px) {
  .cs-system-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 639px) {
  .cs-system-grid { grid-template-columns: 1fr; }
}

/* ── 6. Industries Section (reuses home.css components) ──────────── */
.cs-industries-intro { margin-bottom: 48px; }

/* ── 7. FAQ — mobile-only left alignment ─────────────────────────── */
@media (max-width: 639px) {
  .faq-intro-centered {
    text-align: left;
    margin-left: 0;
    margin-right: 0;
  }
  .faq-list-centered {
    margin-left: 0;
    margin-right: 0;
  }
}