/* ===== Case studies: real exams, real findings ===== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 1fr;
  gap: 1px;
  background: rgba(7, 32, 63, 0.10);
  border: 1px solid rgba(7, 32, 63, 0.10);
  border-radius: 4px;
  overflow: hidden;
}
.cases-grid > article {
  position: relative;
  background: #fff;
  padding: clamp(22px, 2.2vw, 30px) clamp(20px, 2vw, 28px) clamp(20px, 2vw, 26px);
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: clamp(14px, 1.4vw, 20px);
  align-items: start;
  transition: background .25s ease;
}
.cases-grid > article:hover { background: var(--warm-1); }

/* Big serif numeral as the "image" replacement */
.cases-grid .ix {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: clamp(48px, 4.4vw, 68px);
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--q-blue);
  font-variant-numeric: lining-nums tabular-nums;
  position: relative;
  padding-top: 2px;
}
.cases-grid .ix::after {
  content: "";
  display: block;
  width: 28px;
  height: 1px;
  background: rgba(7, 32, 63, 0.20);
  margin-top: 12px;
}

.cases-grid .body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.cases-grid .kind {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 1.3px;
  text-transform: uppercase;
  color: var(--fg-3);
}
.cases-grid h3 {
  font-family: 'Fraunces', serif;
  font-weight: 300;
  font-size: clamp(19px, 1.7vw, 24px);
  line-height: 1.1;
  letter-spacing: -0.018em;
  color: var(--ink-1);
  margin: 0;
  text-wrap: balance;
}

/* Member meta rows: mono key | sentence value */
.cases-grid ul {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
  display: flex;
  flex-direction: column;
}
.cases-grid li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 12px;
  padding: 7px 0;
  border-top: 1px solid rgba(7, 32, 63, 0.08);
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--ink-1);
  align-items: baseline;
}
.cases-grid li:first-child { border-top: 0; padding-top: 2px; }
.cases-grid li .k {
  font-family: var(--font-mono);
  font-size: 9.5px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--fg-3);
}
.cases-grid li .v { color: var(--ink-1); font-weight: 500; }

.cases-foot {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(7, 32, 63, 0.08);
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--fg-1);
  max-width: 88ch;
}
.cases-foot strong { color: var(--ink-1); font-weight: 600; }

@media (max-width: 1180px) {
  .cases-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .cases-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .cases-grid > article {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 28px 24px;
  }
  .cases-grid .ix { font-size: 64px; }
  .cases-grid .ix::after { margin-top: 12px; }
}