/* On-site research overviews keep the return path visible while reading. */
.research-return {
  position: sticky;
  top: 0;
  z-index: 21;
  padding: 0.8rem clamp(1.25rem, 4vw, 3.2rem);
  background: var(--cream);
  border-bottom: 1px solid var(--line);
}
.research-back {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  min-height: 44px;
  padding: 0.65rem 1rem;
  border-radius: 0.35rem;
  background: var(--forest-900);
  color: var(--white);
  font-size: 0.95rem;
  font-weight: 750;
  line-height: 1.4;
  text-decoration: none;
}
.research-back:hover { background: var(--forest-700); }
.research-page a:focus-visible {
  outline: 3px solid var(--forest-700);
  outline-offset: 4px;
}
.research-main {
  max-width: 58rem;
  margin: 0 auto;
  padding: clamp(2rem, 4vw, 4rem) clamp(1.25rem, 4vw, 3.2rem);
}
.research-heading h1 {
  margin: 0 0 1.1rem;
  color: var(--forest-950);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 3.8vw, 3.35rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.1;
  overflow-wrap: break-word;
}
.research-meta, .research-credit { color: #526047; font-size: 0.9rem; }
.research-copy { margin: 2rem 0; font-size: 1.05rem; line-height: 1.75; }
.research-source {
  padding: clamp(1.25rem, 3vw, 2rem);
  border: 1px solid #d4dfbd;
  border-radius: 0.55rem;
  background: #eef4df;
  overflow-wrap: anywhere;
}
.research-source h2 { margin: 0; font-size: 1.1rem; color: var(--forest-950); }
.research-source p { margin: 0.8rem 0; }
.research-source-link, .research-related {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  min-height: 44px;
  color: var(--forest-700);
  font-weight: 700;
  text-underline-offset: 0.2em;
}
.research-source .research-source-note { margin-bottom: 0; font-size: 0.85rem; color: #526047; }
.research-actions { display: flex; flex-wrap: wrap; gap: 1rem 1.5rem; margin-top: 2rem; align-items: center; }
@media (max-width: 560px) {
  .research-actions { align-items: flex-start; flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}