/* ════════════════════════════════
   CASE STUDIES PAGE — page-case-studies.css
   Extends main.css tokens.
════════════════════════════════ */

/* ── HERO ── */
#cs-hero {
  position: relative;
  padding: 160px 64px 80px;
  overflow: hidden;
}

#cs-hero::before {
  content: '';
  position: absolute;
  top: -200px; right: -120px;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245,158,11,0.06), transparent 70%);
  pointer-events: none;
}

.csh-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.csh-left .bento-label { margin-bottom: 20px; }

.csh-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(34px, 5vw, 64px);
  font-weight: 700;
  letter-spacing: -2.5px;
  line-height: 1.05;
  margin-bottom: 22px;
}

.csh-title .amber { color: var(--amber); }

.csh-sub {
  font-size: 17px;
  font-weight: 300;
  color: var(--slate2);
  line-height: 1.8;
  margin-bottom: 36px;
}

.csh-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.csh-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--slate2);
  background: var(--glass);
  border: 1px solid var(--glass-b);
  padding: 8px 16px;
  border-radius: 100px;
}

/* Hero stats grid */
.csh-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.csh-stat {
  background: var(--glass);
  border: 1px solid var(--glass-b);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: border-color 0.3s, transform 0.3s;
}

.csh-stat:hover {
  border-color: rgba(245,158,11,0.25);
  transform: translateY(-4px);
}

.csh-stat-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 36px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -1.5px;
  line-height: 1;
  margin-bottom: 8px;
}

.csh-stat-label {
  font-size: 13px;
  color: var(--slate2);
  line-height: 1.5;
}

/* ── CASE STUDY BLOCKS ── */
#case-studies {
  padding: 40px 64px 80px;
}

.cs-block {
  max-width: 1200px;
  margin: 0 auto 80px;
  background: linear-gradient(145deg, rgba(15,32,64,0.4), var(--space2));
  border: 1px solid var(--glass-b);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.4s;
}

.cs-block:hover {
  border-color: rgba(245,158,11,0.2);
  box-shadow: 0 40px 100px rgba(0,0,0,0.4);
}

.cs-block:last-child { margin-bottom: 0; }

.cs-block-header {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: start;
  gap: 24px;
  padding: 44px 48px 0;
  margin-bottom: 36px;
}

.cs-sector {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 16px;
}

.cs-sector::before { content: ''; width: 24px; height: 1px; background: var(--amber); }

.cs-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  letter-spacing: -0.8px;
  line-height: 1.2;
  margin-bottom: 12px;
}

.cs-subtitle {
  font-size: 15px;
  color: var(--slate2);
  line-height: 1.7;
}

.cs-result-badge {
  background: var(--amber-dim);
  border: 1px solid rgba(245,158,11,0.25);
  border-radius: 16px;
  padding: 20px 24px;
  text-align: center;
  flex-shrink: 0;
  min-width: 160px;
}

.cs-result-num {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--amber);
  letter-spacing: -1px;
  line-height: 1;
  margin-bottom: 6px;
}

.cs-result-label {
  font-size: 12px;
  color: var(--slate2);
  font-weight: 500;
}

.cs-body {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--glass-b);
}

.cs-col {
  padding: 36px 48px;
  border-right: 1px solid var(--glass-b);
}

.cs-col:last-child { border-right: none; }

.cs-col-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--slate);
  margin-bottom: 14px;
}

.cs-col-text {
  font-size: 14.5px;
  color: rgba(248,250,255,0.8);
  line-height: 1.75;
}

.cs-metrics {
  display: flex;
  gap: 32px;
  padding: 28px 48px;
  border-top: 1px solid var(--glass-b);
  background: rgba(245,158,11,0.03);
}

.cs-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.cs-metric-val {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--ice);
  letter-spacing: -0.5px;
}

.cs-metric-key {
  font-size: 12px;
  color: var(--slate2);
}

/* ── TESTIMONIALS ── */
#cs-testimonials {
  padding: 80px 64px;
  background: var(--space);
}

.cst-inner {
  max-width: 1100px;
  margin: 0 auto;
}

.cst-header {
  text-align: center;
  margin-bottom: 56px;
}

.cst-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.cst-card {
  background: linear-gradient(145deg, rgba(245,158,11,0.05), var(--space2));
  border: 1px solid rgba(245,158,11,0.15);
  border-radius: var(--radius-lg);
  padding: 40px 36px;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s, box-shadow 0.35s;
}

.cst-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 32px 70px rgba(0,0,0,0.4);
}

.cst-quote-mark {
  font-size: 80px;
  line-height: 1;
  color: var(--amber);
  opacity: 0.15;
  font-family: Georgia, serif;
  position: absolute;
  top: 16px;
  left: 28px;
}

.cst-quote {
  font-size: 16px;
  font-style: italic;
  color: rgba(248,250,255,0.85);
  line-height: 1.85;
  margin-bottom: 28px;
  position: relative;
  z-index: 1;
}

.cst-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.cst-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--amber), #FBBF24);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 15px;
  color: var(--obsidian);
  flex-shrink: 0;
}

.cst-author-name {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 3px;
}

.cst-author-role {
  font-size: 12.5px;
  color: var(--slate2);
}

/* ════════════════════════════════
   RESPONSIVE
════════════════════════════════ */
@media (max-width: 1024px) {
  .csh-inner { grid-template-columns: 1fr; gap: 48px; }
  .csh-stats { grid-template-columns: repeat(4,1fr); }
  .cs-body { grid-template-columns: 1fr; }
  .cs-col { border-right: none; border-bottom: 1px solid var(--glass-b); }
  .cs-col:last-child { border-bottom: none; }
  .cst-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  #cs-hero { padding: 140px 24px 60px; }
  #case-studies { padding: 20px 24px 60px; }
  .cs-block-header { grid-template-columns: 1fr; padding: 28px 24px 0; }
  .cs-col { padding: 24px; }
  .cs-metrics { padding: 20px 24px; flex-wrap: wrap; gap: 20px; }
  .csh-stats { grid-template-columns: 1fr 1fr; }
  #cs-testimonials { padding: 60px 24px; }
  .cst-card { padding: 28px 24px; }
}