.summaries-page {
  width: min(100%, 1180px);
  margin: 0 auto;
  padding: 3.5rem var(--side-pad) 6rem;
}

.back-link {
  display: inline-block;
  margin-bottom: 2.25rem;
  font-size: 0.78rem;
  text-decoration: none;
}

.summaries-intro {
  max-width: 760px;
  margin-bottom: 4rem;
}

.summaries-intro .eyebrow {
  margin-bottom: 0.4rem;
}

.summaries-intro h1 {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1;
  color: var(--navy);
}

.summaries-intro > p:last-child {
  margin: 1rem 0 0;
  color: var(--muted);
  font-family: var(--serif);
  font-size: 1.2rem;
}

.summary-group > h2 {
  margin: 4rem 0 1.25rem;
  padding-bottom: 0.6rem;
  border-bottom: 2px solid var(--navy);
  font-family: var(--serif);
  font-size: 1.8rem;
}

.group-note {
  margin: -0.5rem 0 1rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.paper-summary-card {
  display: grid;
  grid-template-columns: 390px minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  margin: 0 -1rem;
  padding: 2rem 1rem;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 4rem;
  transition: background-color 250ms ease, box-shadow 250ms ease;
}

.paper-summary-card--text {
  grid-template-columns: 1fr;
}

.paper-summary-card:target {
  background: var(--cream);
  box-shadow: inset 4px 0 0 var(--link);
  animation: target-pulse 1.4s ease-out;
}

@keyframes target-pulse {
  from {
    background: #eee2cf;
  }
  to {
    background: var(--cream);
  }
}

.summary-thumbnail {
  display: block;
  align-self: start;
  border: 1px solid var(--line);
  background: #fff;
}

.summary-thumbnail img {
  width: 100%;
  height: auto;
}

.summary-content h3 {
  margin: -0.15rem 0 0;
  font-family: var(--serif);
  font-size: clamp(1.45rem, 2.6vw, 2rem);
  line-height: 1.2;
  color: var(--navy);
}

.summary-authors {
  margin: 0.45rem 0 1.25rem;
  color: var(--muted);
  font-size: 0.78rem;
}

.summary-note {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 0.72rem;
}

.summary-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 3rem);
}

.summary-points--single {
  grid-template-columns: minmax(0, 760px);
}

.summary-points h4 {
  margin: 0 0 0.35rem;
  font-family: var(--serif);
  font-size: 1.1rem;
  color: var(--link);
}

.summary-points p {
  margin: 0;
  color: #333;
  font-family: var(--serif);
  font-size: 1rem;
  line-height: 1.55;
}

.summary-source {
  display: inline-block;
  margin-top: 1.15rem;
  font-size: 0.75rem;
  font-weight: 500;
}

.summary-publication {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.75rem;
}

@media (max-width: 700px) {
  .summaries-page {
    padding-top: 2.5rem;
  }

  .summaries-intro {
    margin-bottom: 3rem;
  }

  .paper-summary-card {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .summary-thumbnail {
    width: min(100%, 420px);
  }

  .summary-points {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}

@media (max-width: 460px) {
  .summary-content h3 {
    font-size: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
.paper-summary-card:target {
    animation: none;
  }
}