/* Detail layout for /case-studies/*. Each page sets --accent-start /
   --accent-end / --accent-glow from its data record via an inline style prop
   on .pageSection; the values below are only fallbacks. */

.pageSection {
  --accent-start: #e5c078;
  --accent-end: #3fc7a3;
  --accent-glow: rgba(229, 192, 120, 0.26);
  position: relative;
  overflow: hidden;
  padding: var(--section-y) 0;
  background: var(--bg);
}


.container {
  width: 100%;
  max-width: var(--rail);
  margin: 0 auto;
  padding: 0 var(--gutter);
  position: relative;
  z-index: 1;
}

/* ---- back link ---- */

.backLink {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 14px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--speed-fast) ease;
}

.backLink:hover {
  color: var(--text-primary);
}

/* ---- hero ---- */

.hero {
  margin-top: 26px;
}

/* Matches the homepage .subtitle treatment: plain rose text, no chip. */
.eyebrow {
  display: block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--rose);
  margin-bottom: 10px;
}

.title {
  margin: 16px 0 0;
  font-size: clamp(34px, 7.3vw, 62px);
  line-height: 1.02;
}

.headline {
  margin: 18px 0 0;
  font-size: clamp(20px, 2.9vw, 30px);
  line-height: 1.24;
  max-width: var(--measure-tight);
  color: var(--text-primary);
}

.summary {
  margin: 20px 0 0;
  max-width: var(--measure);
  color: var(--text-body);
  line-height: 1.75;
  font-size: 17px;
}

.heroActions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.primaryButton,
.secondaryButton {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: var(--radius);
  text-decoration: none;
  font-weight: 600;
  transition: transform var(--speed-fast) ease, border-color var(--speed-fast) ease;
}

.primaryButton {
  padding: 13px 22px;
  background: linear-gradient(120deg, var(--accent-start), var(--accent-end));
  color: #0a0a0a;
}

.secondaryButton {
  padding: 12px 20px;
  color: #f2f2f2;
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.02);
}

.primaryButton:hover,
.secondaryButton:hover {
  transform: translateY(-2px);
}

.secondaryButton:hover {
  border-color: rgba(255, 255, 255, 0.38);
}

/* ---- fact strip ---- */

.factGrid {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.factCard {
  border-radius: var(--radius);
  padding: 20px;
  background: rgba(17, 17, 21, 0.82);
  border: 1px solid var(--border-default);
}

.factLabel {
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.factValue {
  margin: 9px 0 0;
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-primary);
}

/* ---- stack chips ---- */

.stack {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.stackItem {
  font-size: 12px;
  padding: 6px 11px;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
}

/* ---- generic section scaffolding ---- */

.section {
  margin-top: 56px;
}

.sectionLabel {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent-start);
}

.sectionTitle {
  margin: 12px 0 0;
  font-size: clamp(25px, 4vw, 36px);
  line-height: 1.14;
}

.prose {
  margin: 18px 0 0;
  max-width: var(--measure);
}

.prose p {
  margin: 0 0 15px;
  color: var(--text-body);
  line-height: 1.78;
  font-size: 16px;
}

.prose p:last-child {
  margin-bottom: 0;
}

/* ---- constraints ---- */

.constraintList {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: constraint;
  display: grid;
  gap: 12px;
}

.constraintItem {
  counter-increment: constraint;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  align-items: start;
  border-radius: var(--radius);
  border: 1px solid var(--border-default);
  background: rgba(17, 17, 21, 0.7);
  padding: 20px;
}

.constraintItem::before {
  content: counter(constraint);
  width: 28px;
  height: 28px;
  border-radius: var(--radius);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: #0d0d11;
  background: linear-gradient(120deg, var(--accent-start), var(--accent-end));
}

.constraintTitle {
  margin: 0;
  font-size: 17px;
  line-height: 1.35;
}

.constraintDetail {
  margin: 8px 0 0;
  color: var(--text-body);
  line-height: 1.7;
  font-size: 15px;
}

/* ---- pivot callout ---- */

.pivot {
  margin-top: 56px;
  border-radius: var(--radius);
  border: 1px solid var(--border-default);
  background: linear-gradient(155deg, rgba(22, 22, 27, 0.95), rgba(10, 10, 13, 0.98));
  padding: 34px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}


.pivotTitle {
  position: relative;
  margin: 12px 0 0;
  font-size: clamp(24px, 3.6vw, 34px);
  line-height: 1.16;
}

.pivot .prose {
  position: relative;
}

/* ---- metrics ---- */

.metricsGrid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.metricCard {
  border-radius: var(--radius);
  padding: 22px;
  background: linear-gradient(160deg, rgba(20, 20, 24, 0.88), rgba(10, 10, 12, 0.98));
  border: 1px solid var(--border-default);
}

.metricValue {
  margin: 0;
  font-size: clamp(27px, 3.6vw, 36px);
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
}

.metricLabel {
  margin: 12px 0 0;
  font-size: 16px;
}

.metricText {
  margin: 10px 0 0;
  color: var(--text-body);
  font-size: 14px;
  line-height: 1.62;
}

/* ---- build grid ---- */

.buildGrid {
  margin-top: 24px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.buildCard {
  border-radius: var(--radius);
  border: 1px solid var(--border-default);
  background: rgba(17, 17, 21, 0.82);
  padding: 24px;
}

.buildTitle {
  margin: 0;
  font-size: 18px;
  line-height: 1.32;
}

.buildDetail {
  margin: 11px 0 0;
  color: var(--text-body);
  line-height: 1.7;
  font-size: 15px;
}

/* ---- decisions ---- */

.decisionList {
  margin-top: 24px;
  display: grid;
  gap: 14px;
}

.decisionCard {
  border-radius: var(--radius);
  border: 1px solid var(--border-default);
  background: linear-gradient(160deg, rgba(20, 20, 25, 0.9), rgba(11, 11, 15, 0.98));
  padding: 26px;
}

.decisionTitle {
  margin: 0;
  font-size: 20px;
  line-height: 1.28;
}

.decisionRow {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.decisionCell {
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
  padding: 16px;
}

.decisionCellLabel {
  margin: 0;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

.decisionCellLabelSolution {
  color: var(--accent-end);
}

.decisionCellText {
  margin: 9px 0 0;
  color: var(--text-body);
  line-height: 1.7;
  font-size: 15px;
}

/* ---- outcome ---- */

.outcomeBlock {
  margin-top: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border-default);
  background: rgba(17, 17, 21, 0.82);
  padding: 28px;
}

.outcomeList {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.outcomeItem {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: start;
  color: var(--text-body);
  line-height: 1.72;
  font-size: 16px;
}

.outcomeItem svg {
  flex-shrink: 0;
  margin-top: 4px;
  color: var(--accent-end);
}

.quote {
  margin: 26px 0 0;
  padding: 22px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border-subtle);
  border-left: 3px solid var(--accent-start);
  background: rgba(255, 255, 255, 0.02);
}

.quoteText {
  margin: 0;
  font-size: 18px;
  line-height: 1.55;
  color: var(--text-primary);
}

.quoteSource {
  margin: 12px 0 0;
  font-size: 13px;
  color: var(--text-tertiary);
}

.quoteSource a {
  color: var(--text-secondary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.quoteSource a:hover {
  color: var(--text-primary);
}

/* ---- closing cta ---- */

.ctaBand {
  margin-top: 44px;
  border-radius: var(--radius);
  border: 1px solid var(--border-default);
  background: rgba(8, 8, 11, 0.85);
  padding: 28px;
  display: flex;
  gap: 20px;
  align-items: center;
  justify-content: space-between;
}

.ctaEyebrow {
  margin: 0;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--text-body);
}

.ctaBand h2 {
  margin: 10px 0 0;
  font-size: clamp(23px, 3.8vw, 32px);
  line-height: 1.16;
}

.ctaBand p {
  margin: 12px 0 0;
  color: var(--text-body);
  max-width: 620px;
  line-height: 1.7;
}

/* ---- responsive ---- */

@media (max-width: 991px) {
  .pageSection {
    padding: var(--section-y) 0;
  }

  .factGrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metricsGrid,
  .buildGrid,
  .decisionRow {
    grid-template-columns: 1fr;
  }

  .ctaBand {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 767px) {
  .title {
    font-size: clamp(31px, 10vw, 46px);
  }

  .headline {
    font-size: 21px;
  }

  .summary {
    font-size: 16px;
  }

  .factGrid {
    grid-template-columns: 1fr;
  }

  .section,
  .pivot {
    margin-top: 44px;
  }

  .pivot,
  .buildCard,
  .decisionCard,
  .outcomeBlock,
  .ctaBand,
  .metricCard,
  .constraintItem {
    padding: 20px;
  }
}