.research-shell {
  width: min(calc(100% - 40px), 1240px);
  margin-inline: auto;
}

.research-page-header .page-description {
  max-width: 820px;
}

.research-page-body {
  padding-top: 58px;
  padding-bottom: 92px;
}

.research-intro,
.research-notes {
  max-width: 840px;
}

.research-groups {
  margin-top: 54px;
}

.research-group + .research-group {
  margin-top: 58px;
}

.research-group-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(300px, 1fr);
  gap: 40px;
  align-items: end;
  margin-bottom: 18px;
}

.research-group-heading h2 {
  margin: 0;
  font-size: clamp(1.7rem, 3vw, 2.35rem);
  line-height: 1.15;
  letter-spacing: -0.028em;
}

.research-group-heading p {
  margin: 0;
  color: var(--muted);
}

.research-table {
  border-top: 1px solid var(--line);
}

.research-table-head,
.research-table-row {
  display: grid;
  grid-template-columns: minmax(180px, 0.8fr) minmax(170px, 0.72fr) minmax(170px, 0.72fr) minmax(320px, 1.55fr);
  gap: 24px;
}

.research-table-head {
  padding: 11px 14px;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
}

.research-table-row {
  padding: 22px 14px 24px;
  border-bottom: 1px solid var(--line);
  align-items: start;
}

.research-table-row h3,
.research-table-row p {
  margin: 0;
}

.research-table-row h3 {
  font-size: 1.05rem;
  line-height: 1.35;
  letter-spacing: -0.015em;
}

.research-stage,
.research-ended {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.research-outcome code {
  display: inline-block;
  padding: 5px 8px;
  border-radius: 5px;
  background: var(--code);
  color: var(--text);
  font-size: 0.78rem;
  font-weight: 800;
  line-height: 1.35;
}

.research-notes {
  margin-top: 66px;
}

.research-notes > h2:first-child {
  margin-top: 0;
}

.case-study-header {
  padding-bottom: 46px;
}

.case-study-shell {
  max-width: 1120px;
}

.case-study-header h1 {
  max-width: 950px;
}

.case-study-header .page-description {
  max-width: 850px;
}

.case-study-meta {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 38px;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--line);
}

.case-study-meta > div {
  min-width: 0;
  padding: 17px 18px;
  background: var(--surface);
}

.case-study-meta span,
.case-study-metric span {
  display: block;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.case-study-meta strong {
  display: block;
  margin-top: 5px;
  font-size: 0.94rem;
  line-height: 1.45;
}

.case-study-meta code {
  padding: 4px 7px;
  border-radius: 5px;
  background: var(--code);
}

.case-study-body {
  padding-top: 52px;
  padding-bottom: 92px;
}

.case-study-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 58px;
}

.case-study-metric {
  min-height: 132px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.case-study-metric strong {
  display: block;
  margin-top: 10px;
  font-size: clamp(1.5rem, 2.7vw, 2.15rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.case-study-metric small {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.4;
}

.case-study-prose {
  max-width: 840px;
}

.criteria-panel {
  display: grid;
  grid-template-columns: minmax(260px, 0.75fr) minmax(420px, 1.25fr);
  gap: 56px;
  margin: 70px 0;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.criteria-heading h2 {
  margin: 0;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.criteria-heading > p:last-child {
  margin: 14px 0 0;
  color: var(--muted);
}

.criteria-list {
  border-top: 1px solid var(--line);
}

.criteria-row {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.criteria-result {
  flex: 0 0 auto;
  font-size: 0.76rem;
  letter-spacing: 0.06em;
}

.criteria-pass {
  color: var(--accent);
}

.criteria-fail {
  color: var(--text);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.case-study-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  margin: 72px 0 0;
}

.case-study-figure {
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.case-study-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.case-study-figure figcaption {
  padding: 11px 8px 4px;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.55;
}

.case-study-back {
  margin-top: 52px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

@media (max-width: 980px) {
  .research-table-head {
    display: none;
  }

  .research-table-row {
    grid-template-columns: minmax(180px, 0.8fr) minmax(0, 1.4fr);
    gap: 12px 30px;
  }

  .research-table-row h3,
  .research-stage {
    grid-column: 1;
  }

  .research-outcome,
  .research-ended {
    grid-column: 2;
  }

  .research-outcome {
    grid-row: 1;
  }

  .research-ended {
    grid-row: 2 / span 2;
  }

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

  .criteria-panel {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 700px) {
  .research-shell {
    width: min(calc(100% - 28px), 1240px);
  }

  .research-group-heading,
  .research-table-row {
    grid-template-columns: 1fr;
  }

  .research-group-heading {
    gap: 10px;
  }

  .research-table-row h3,
  .research-stage,
  .research-outcome,
  .research-ended {
    grid-column: 1;
    grid-row: auto;
  }

  .research-stage::before {
    content: "Stage · ";
    color: var(--text);
    font-weight: 700;
  }

  .research-ended::before {
    content: "What ended it · ";
    color: var(--text);
    font-weight: 700;
  }

  .research-page-body {
    padding-top: 46px;
    padding-bottom: 64px;
  }

  .research-groups {
    margin-top: 44px;
  }

  .case-study-meta,
  .case-study-metrics,
  .case-study-figures {
    grid-template-columns: 1fr;
  }

  .case-study-metric {
    min-height: 0;
  }

  .criteria-panel {
    padding: 24px 20px;
  }

  .criteria-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
}