/* Strategic Pixel — case study detail pages */
.case-hero { padding: clamp(54px, 8vw, 110px) clamp(18px, 4vw, 64px) clamp(38px, 5vw, 70px); }

.case-hero h1 {
  font-size: clamp(52px, 9vw, 136px);
  line-height: 0.88;
  margin-bottom: 26px;
}

.case-dek {
  color: rgba(255, 255, 255, 0.72);
  font-family: var(--serif);
  font-size: clamp(20px, 2.2vw, 32px);
  line-height: 1.15;
  margin: 0;
  max-width: 860px;
}

.fact-bar {
  border-bottom: 1px solid var(--ink);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.fact-bar > div {
  border-right: 1px solid var(--line);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  padding: 22px clamp(18px, 3vw, 42px);
}

.fact-bar > div:last-child { border-right: 0; }

.fact-bar span {
  color: var(--red);
  display: block;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.case-prose { max-width: 860px; }

.case-prose p {
  color: var(--muted);
  font-size: clamp(17px, 1.5vw, 21px);
  line-height: 1.5;
  margin-bottom: 22px;
}

.approach-steps {
  display: grid;
  gap: clamp(24px, 4vw, 52px);
  grid-template-columns: repeat(2, 1fr);
}

.approach-steps article { border-top: 1px solid var(--ink); padding-top: 22px; }
.approach-steps .tag { color: var(--red); }

.approach-steps p {
  color: var(--muted);
  font-size: 16.5px;
  line-height: 1.5;
  margin: 16px 0 0;
}

.results-grid {
  align-items: start;
  display: grid;
  gap: clamp(32px, 6vw, 90px);
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.9fr);
}

.case-quote {
  border-left: 2px solid var(--gold);
  font-family: var(--serif);
  font-size: clamp(21px, 2.2vw, 32px);
  letter-spacing: -0.015em;
  line-height: 1.15;
  margin: 0;
  padding-left: clamp(20px, 3vw, 40px);
}

.case-quote cite {
  color: var(--gold);
  display: block;
  font-family: var(--sans);
  font-size: 12px;
  font-style: normal;
  font-weight: 800;
  letter-spacing: 0.06em;
  margin-top: 20px;
  text-transform: uppercase;
}

.next-case {
  align-items: baseline;
  background: var(--paper-deep);
  border-bottom: 1px solid var(--ink);
  border-top: 1px solid var(--ink);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: clamp(28px, 4vw, 50px) clamp(18px, 4vw, 64px);
  transition: background 0.3s var(--ease);
}

.next-case:hover { background: var(--paper); }
.next-case .tag { color: var(--red); }

.next-case .next-title {
  font-family: var(--serif);
  font-size: clamp(30px, 4vw, 60px);
  letter-spacing: -0.03em;
  line-height: 1;
}

/* ---------- artwork showcase ---------- */
.case-art {
  align-items: center;
  display: grid;
  gap: clamp(28px, 5vw, 76px);
  grid-template-columns: minmax(260px, 0.8fr) minmax(0, 1fr);
}

.case-art figure { margin: 0; }

.case-art img,
.concept-grid img {
  border: 1px solid rgba(17, 16, 14, 0.35);
  width: 100%;
}

.dark .case-art img,
.dark .concept-grid img { border-color: rgba(255, 255, 255, 0.28); }

.art-caption {
  color: var(--muted);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.06em;
  margin-top: 14px;
  text-transform: uppercase;
}

.dark .art-caption { color: rgba(255, 255, 255, 0.6); }

.copy-lines {
  border-left: 2px solid var(--gold);
  font-family: var(--serif);
  font-size: clamp(24px, 3vw, 44px);
  letter-spacing: -0.025em;
  line-height: 1.12;
  margin: clamp(24px, 3vw, 40px) 0 0;
  padding-left: clamp(20px, 3vw, 40px);
}

.copy-lines span { display: block; }
.copy-lines span:last-child { color: var(--red); }
.dark .copy-lines span:last-child { color: var(--gold); }

.concept-grid {
  display: grid;
  gap: clamp(20px, 3vw, 40px);
  grid-template-columns: repeat(3, 1fr);
}

.concept-grid figure { margin: 0; }

.concept-grid .art-caption {
  font-size: 11px;
  letter-spacing: 0.07em;
  margin-top: 12px;
}

.concept-grid .art-caption em {
  color: var(--red);
  display: block;
  font-style: normal;
  margin-bottom: 5px;
}

.dark .concept-grid .art-caption em { color: var(--gold); }

/* ---------- qualitative outcomes ---------- */
.outcome-grid {
  display: grid;
  gap: clamp(26px, 4vw, 56px);
  grid-template-columns: repeat(3, 1fr);
}

.outcome-grid article { border-top: 1px solid rgba(255, 255, 255, 0.28); padding-top: 22px; }
.outcome-grid .tag { color: var(--gold); }

.outcome-grid h3 {
  font-family: var(--serif);
  font-size: clamp(24px, 2.4vw, 34px);
  font-weight: 400;
  letter-spacing: -0.025em;
  line-height: 1.02;
  margin: 16px 0 12px;
}

.outcome-grid p {
  color: rgba(255, 255, 255, 0.72);
  font-size: 16.5px;
  line-height: 1.5;
  margin: 0;
}

.measure-note {
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 14.5px;
  line-height: 1.55;
  margin-top: clamp(30px, 4vw, 50px);
  max-width: 860px;
  padding: 20px clamp(18px, 2.4vw, 30px);
}

.dark .measure-note { border-color: rgba(255, 255, 255, 0.28); color: rgba(255, 255, 255, 0.62); }
.measure-note strong { color: var(--gold); font-weight: 800; letter-spacing: 0.04em; text-transform: uppercase; font-size: 11.5px; display: block; margin-bottom: 8px; }

@media (max-width: 980px) {
  .fact-bar { grid-template-columns: 1fr 1fr; }
  .fact-bar > div:nth-child(2n) { border-right: 0; }
  .approach-steps, .results-grid, .case-art { grid-template-columns: 1fr; }
  .concept-grid, .outcome-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Same display-leading problem as shared.css: 0.88 is right at 136px and
   wrong at the 52px clamp minimum a phone actually renders. */
@media (max-width: 760px) {
  .case-hero h1 { line-height: 1.0; }
  .case-dek { line-height: 1.28; }
  .copy-lines { line-height: 1.22; }
  .next-case .next-title { line-height: 1.06; }
  .outcome-grid h3 { line-height: 1.12; }
}

@media (max-width: 640px) {
  .fact-bar { grid-template-columns: 1fr; }
  .fact-bar > div { border-right: 0; border-bottom: 1px solid var(--line); }
  .next-case { align-items: flex-start; flex-direction: column; }
  .concept-grid, .outcome-grid { grid-template-columns: 1fr; }
  /* Single column: don't let one concept image run the full screen height. */
  .concept-grid figure { margin: 0 auto; max-width: 420px; }
}