/* ============================================================
   case-study.css — Case study detail page styles
   ============================================================ */

/* ── WRAPPER ── */
.cs-wrap {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* ── BREADCRUMB ── */
.breadcrumb {
  padding: 2rem 0 0;
}

.breadcrumb a {
  font-size: 0.875rem;
  color: var(--text-3);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s;
}

.breadcrumb a svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.breadcrumb a:hover { color: var(--accent); }

/* ── HERO ── */
.cs-hero {
  padding: 3rem 0 3.5rem;
  opacity: 0;
  animation: fadeUp 0.7s ease forwards;
}

.cs-category {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.cs-category--amber { color: var(--amber); }

.cs-company {
  font-family: 'Crimson Pro', serif;
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1.05;
  margin-bottom: 0.5rem;
}

.cs-title {
  font-family: 'Crimson Pro', serif;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  font-weight: 300;
  color: var(--text-2);
  letter-spacing: -0.01em;
  margin-bottom: 1.75rem;
  font-style: italic;
}

.cs-summary {
  font-size: 1.0625rem;
  font-weight: 300;
  color: var(--text-2);
  max-width: 62ch;
  line-height: 1.75;
}

/* ── META ROW ── */
.cs-meta-row {
  display: flex;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 4rem;
}

.cs-meta-item {
  flex: 1;
  min-width: 120px;
  padding: 1.25rem 1.5rem;
  border-right: 1px solid var(--border);
}

.cs-meta-item:first-child { padding-left: 0; }
.cs-meta-item:last-child  { border-right: none; }

.cs-meta-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.4rem;
}

.cs-meta-value {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--text);
}

/* ── STATS ROW ── */
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-bottom: 4rem;
}

.stat {
  background: var(--bg-subtle);
  padding: 1.75rem;
}

.stat-num {
  font-family: 'Crimson Pro', serif;
  font-size: 2.75rem;
  font-weight: 300;
  letter-spacing: -0.03em;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-num--amber { color: var(--amber); }
.stat-num--rose  { color: var(--rose); }

.stat-label {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--text-2);
  line-height: 1.4;
}

/* ── SECTIONS ── */
.cs-section { margin-bottom: 4rem; }

.cs-section-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 1.25rem;
}

.cs-section-heading {
  font-family: 'Crimson Pro', serif;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  font-weight: 300;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 1.25rem;
  line-height: 1.2;
}

.cs-body-text {
  font-size: 1rem;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

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

/* ── CALLOUT ── */
.callout {
  background: var(--accent-bg);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  padding: 1.25rem 1.5rem;
  margin: 2rem 0;
}

.callout--amber {
  background: var(--amber-bg);
  border-left-color: var(--amber);
}

.callout p {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text);
  line-height: 1.7;
  font-style: italic;
}

/* ── BULLETED LIST ── */
.cs-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-top: 1rem;
}

.cs-list li {
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--text-2);
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.6;
}

.cs-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent);
}

.cs-list--amber li::before { background: var(--amber); }

/* ── SCREENSHOTS ── */
.screenshots {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.screenshots-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 4rem;
}

.screenshot-item {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-subtle);
}

.screenshot-item img {
  width: 100%;
  height: auto;
  display: block;
}

.screenshot-caption {
  padding: 0.875rem 1.25rem;
  border-top: 1px solid var(--border);
}

.screenshot-caption p {
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--text-3);
  line-height: 1.5;
}

.screenshot-caption strong {
  color: var(--text-2);
  font-weight: 500;
}

/* ── OUTCOMES GRID ── */
.outcomes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  margin-top: 1.5rem;
}

.outcome-item {
  background: var(--bg-subtle);
  padding: 1.5rem;
}

.outcome-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 0.4rem;
}

.outcome-desc {
  font-size: 0.875rem;
  font-weight: 300;
  color: var(--text-2);
  line-height: 1.6;
}

/* ── HORIZONTAL RULE ── */
.cs-hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 4rem 0;
}

/* ── NEXT CASE STUDY ── */
.next-cs {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  padding: 3rem 0 5rem;
}

.next-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-3);
  margin-bottom: 0.625rem;
}

.next-name {
  font-family: 'Crimson Pro', serif;
  font-size: 1.625rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--text);
}

/* ── COLOR SWATCHES (brand case study) ── */
.color-swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin: 1.5rem 0;
}

.swatch { display: flex; flex-direction: column; gap: 0.5rem; }

.swatch-block {
  width: 80px;
  height: 80px;
  border-radius: 10px;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.swatch-name {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-2);
}

.swatch-hex {
  font-size: 0.7rem;
  color: var(--text-3);
}

/* ── RESPONSIVE ── */
@media (max-width: 680px) {
  .screenshots-2col { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .outcomes-grid { grid-template-columns: 1fr; }
  .next-cs { flex-direction: column; align-items: flex-start; }
  .cs-meta-item { min-width: 100%; border-right: none; border-bottom: 1px solid var(--border); }
  .cs-meta-item:last-child { border-bottom: none; }
}