/* ===== CASE STUDY LAYOUT ===== */

.case-main { padding-top: 120px; }

/* styles.css sets `section { padding: 100px 0 }` for the one-pager;
   case-study sections manage their own rhythm via margins instead. */
.case-main section { padding: 0; }

.case-wrap {
  max-width: 780px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* --- header --- */
.case-header { padding: 3rem 0 4rem; }

.case-eyebrow {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.case-header h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0.75rem 0 1.25rem;
  text-wrap: balance;
}

.case-standfirst {
  font-size: 1.1rem;
  color: var(--ink-3);
  line-height: 1.7;
  max-width: 60ch;
}

/* --- fact row --- */
.case-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--rule);
}

.case-fact dt {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-5);
  margin-bottom: 0.4rem;
}

.case-fact dd {
  font-size: 0.95rem;
  color: var(--ink);
  margin: 0;
}

/* --- outcome strip --- */
.case-outcomes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1.25rem;
  margin: 3.5rem 0;
}

.case-outcome {
  background: var(--raised);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.case-outcome strong {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--ink);
  font-variant-numeric: tabular-nums;
}

.case-outcome span {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-5);
}

/* --- body sections --- */
.case-section { margin: 3.5rem 0; }

.case-section > h2 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 400;
  letter-spacing: -0.01em;
  margin-bottom: 1.25rem;
}

.case-section p {
  color: var(--ink-3);
  margin-bottom: 1.1rem;
  line-height: 1.8;
}

.case-section ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.1rem;
}

.case-section ul li {
  position: relative;
  padding-left: 1.4rem;
  color: var(--ink-3);
  line-height: 1.7;
}

.case-section ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--ink-3);
}

/* --- decision block: where senior signal lives --- */
.decision {
  background: var(--raised);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--ink-3);
  border-radius: var(--radius);
  padding: 1.5rem 1.75rem;
  margin-bottom: 1.25rem;
}

.decision h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 1rem;
}

.decision dl {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin: 0;
}

.decision dt {
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-5);
  margin-bottom: 0.25rem;
}

.decision dd {
  margin: 0;
  color: var(--ink-3);
  font-size: 0.92rem;
  line-height: 1.7;
}

/* --- placeholders: impossible to publish by accident --- */
.todo {
  display: block;
  background: rgba(var(--ink-rgb), 0.07);
  border: 1px dashed rgba(var(--ink-rgb), 0.45);
  border-radius: 8px;
  padding: 0.9rem 1.1rem;
  margin: 0.5rem 0 1.1rem;
  color: var(--ink-3);
  font-size: 0.87rem;
  line-height: 1.65;
  font-style: normal;
}

.todo::before {
  content: 'WRITE THIS';
  display: block;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--ink-3);
  margin-bottom: 0.4rem;
}

/* --- footer nav --- */
.case-cta {
  margin: 5rem 0 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--rule);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
  justify-content: space-between;
}

.case-back {
  color: var(--ink-3);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.case-back:hover { color: var(--ink); }

@media (max-width: 600px) {
  .case-main { padding-top: 90px; }
  .case-wrap { padding: 0 1.5rem; }
}

@media (max-width: 900px) {
  .case-fact dt, .decision dt { font-size: 0.7rem; }
  .case-back { display: inline-block; padding: 12px 0; margin: -12px 0; }
}