/* Case Studies index page.
   Reuses the same card design as the home page case-studies section
   for consistency. Adds a dedicated hero on top and a final CTA. */

/* ---------- Hero ---------- */
.cs-hero {
  padding: 100px 0 60px;
  background: var(--cream);
}
.cs-hero-kicker {
  font-family: var(--serif);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--green);
  opacity: 0.8;
  margin-bottom: 16px;
}
.cs-hero-title {
  font-family: var(--serif);
  font-size: 80px;
  line-height: 0.98;
  font-weight: 500;
  letter-spacing: -0.015em;
  margin-bottom: 20px;
  color: var(--ink);
  max-width: 880px;
}
.cs-hero-title em {
  font-style: italic;
  background: linear-gradient(transparent 60%, var(--yellow) 60%);
  padding: 0 8px;
}
.cs-hero-lead {
  font-size: 20px;
  line-height: 1.55;
  color: var(--ink);
  max-width: 640px;
  opacity: 0.9;
}

/* ---------- Cards grid (copied from home page case-studies section) ---------- */
.cs-grid-section {
  padding: 40px 0 110px;
  background: var(--cream);
  border-top: 1px solid var(--rule);
}
.cs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.case-card {
  display: flex;
  flex-direction: column;
  background: var(--cream-light);
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  color: var(--ink);
  position: relative;
  box-shadow: 0 6px 18px rgba(44,58,48,0.08);
  transition: transform 200ms ease, box-shadow 200ms ease;
  border-top: 6px solid var(--green);
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 48px rgba(44,58,48,0.20);
}
.case-card.google-acc { border-top-color: var(--green); }
.case-card.meta-acc { border-top-color: var(--green); }

.case-card .case-thumb {
  aspect-ratio: 16/10;
  background: var(--cream-light);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--rule);
}
.case-card .case-thumb svg.case-chart {
  width: 100%;
  height: auto;
  max-height: 100%;
  display: block;
}
.case-card .case-thumb-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(44,58,48,0) 75%, rgba(44,58,48,0.08) 100%);
  pointer-events: none;
}
.case-card .case-thumb .case-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--cream);
  color: var(--green-deep);
  font-family: var(--sans);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 5px 11px 5px 9px;
  border-radius: 999px;
  font-weight: 700;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.18);
}
.case-card .case-thumb .case-badge .case-badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  flex-shrink: 0;
}

.case-card .case-body {
  padding: 26px 28px 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.case-card .case-tag {
  font-family: var(--serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--green);
}
.case-card h3 {
  font-family: var(--serif);
  font-size: 24px;
  line-height: 1.15;
  font-weight: 500;
}
.case-card h3 em {
  font-style: italic;
}
.case-card .case-result {
  display: flex;
  gap: 22px;
  margin-top: 8px;
  padding-top: 16px;
  border-top: 1px solid rgba(44,58,48,0.15);
}
.case-card .case-result .r-num {
  font-family: var(--serif);
  font-style: italic;
  font-size: 28px;
  font-weight: 500;
  color: var(--green-deep);
  line-height: 1;
  margin-bottom: 4px;
}
.case-card .case-result .r-lbl {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.35;
}
.case-card .case-cta {
  margin-top: auto;
  padding-top: 14px;
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--green);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.case-card .case-cta::after {
  content: "\2192";
  transition: transform 200ms ease;
}
.case-card:hover .case-cta::after {
  transform: translateX(3px);
}

/* ---------- Final CTA ---------- */
.cs-final-cta {
  padding: 100px 0;
  background: var(--green);
  color: var(--cream);
  text-align: center;
}
.cs-final-cta h2 {
  font-family: var(--serif);
  font-size: 56px;
  line-height: 1.05;
  font-weight: 500;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.cs-final-cta h2 em {
  font-style: italic;
  color: var(--yellow);
}
.cs-final-cta p {
  font-size: 18px;
  opacity: 0.85;
  margin: 0 auto 32px;
  max-width: 540px;
  line-height: 1.55;
}
.cs-final-cta .btn-primary {
  display: inline-block;
  background: var(--yellow);
  color: var(--green);
  border: 1.5px solid var(--yellow);
  padding: 16px 32px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.cs-final-cta .btn-primary:hover {
  background: var(--cream);
  border-color: var(--cream);
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .cs-grid { grid-template-columns: 1fr 1fr; }
  .cs-hero-title { font-size: 56px; }
  .cs-final-cta h2 { font-size: 40px; }
}
@media (max-width: 720px) {
  .cs-hero { padding: 64px 0 40px; }
  .cs-hero-title { font-size: 44px; }
  .cs-hero-lead { font-size: 17px; }
  .cs-grid-section { padding: 28px 0 72px; }
  .cs-grid { grid-template-columns: 1fr; gap: 20px; }
  .case-card h3 { font-size: 22px; }
  .case-card .case-result .r-num { font-size: 24px; }
  .cs-final-cta { padding: 72px 0; }
  .cs-final-cta h2 { font-size: 34px; }
  .cs-final-cta p { font-size: 16px; }
}