/* mental models — library page */

.models-page {
  position: relative;
  max-width: 640px;
  margin: 0 auto;
  padding: 0 24px 96px;
}

.crumb {
  padding-top: 48px;
}

.crumb a {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  color: var(--muted);
  text-decoration: none;
}

.crumb a:hover {
  color: var(--accent);
}

.models-hero {
  padding: 72px 0 48px;
}

.models-title {
  margin: 0 0 22px;
  font-family: var(--serif);
  font-weight: 340;
  font-size: clamp(2.4rem, 7vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -0.01em;
}

.models-lede {
  margin: 0 0 18px;
  max-width: 34em;
  color: var(--muted);
}

.models-meta {
  margin: 0;
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.model {
  padding: 46px 0;
  border-top: 1px solid var(--hairline);
}

.model h2 {
  margin: 0 0 16px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.45rem;
  line-height: 1.25;
}

.model p {
  margin: 0 0 14px;
  color: var(--muted);
  max-width: 38em;
}

.model p:last-child,
.model ul:last-child {
  margin-bottom: 0;
}

.model strong {
  color: var(--ink);
  font-weight: 500;
}

.model em {
  color: var(--ink);
}

.model ul {
  margin: 0 0 14px;
  padding-left: 1.25em;
  color: var(--muted);
}

.model li {
  margin-bottom: 6px;
}

.model li::marker {
  color: var(--faint);
}

.model-source {
  font-size: 0.82rem;
  letter-spacing: 0.04em;
}

.models-coda {
  padding-top: 72px;
  font-size: 0.9rem;
}

@media (max-width: 480px) {
  .models-hero {
    padding: 56px 0 36px;
  }

  .model {
    padding: 36px 0;
  }
}