/* Research page composition. Reuses the portfolio's canonical components;
   no replacement tokens, fonts, button styles, or card variants. */
.research-hero { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: var(--s-7); align-items: center; padding-block: var(--s-8) var(--s-5); }
.research-hero .o-hero-page-title { max-width: 22ch; }
.research-hero-copy { min-width: 0; }
.research-preview { background: var(--surface); border: var(--card-border); border-radius: var(--card-radius); box-shadow: var(--shadow-card); padding: var(--s-5); min-width: 0; }
.research-preview-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--s-3); padding-bottom: var(--s-5); border-bottom: 1px solid var(--hairline); }
.research-preview-row { display: flex; align-items: center; justify-content: space-between; gap: var(--s-4); padding-block: var(--s-5); border-bottom: 1px solid var(--hairline); }
.research-preview-row strong { display: flex; align-items: center; gap: var(--s-3); }
.research-signal { width: var(--s-2); height: var(--s-2); border-radius: var(--r-full); background: var(--accent); }
.research-preview-note { display: flex; flex-direction: column; gap: var(--s-2); background: var(--accent-soft); border-radius: var(--r-2); padding: var(--s-4); margin-top: var(--s-5); }
.research-preview-note .t-eyebrow { color: var(--accent-text); }
.research-preview-foot { margin-top: var(--s-4); }
.research-jump { display: flex; flex-wrap: wrap; gap: var(--s-4) var(--s-5); margin-top: var(--s-5); font-size: var(--t-body-s); }
.research-columns { gap: var(--s-7); }
.research-measures { border-top: 1px solid var(--hairline); }
.research-measures > div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--s-7); padding-block: var(--s-5); border-bottom: 1px solid var(--hairline); }
.research-measures dt { display: flex; align-items: baseline; gap: var(--s-5); font-size: var(--t-title-m); font-weight: var(--w-medium); line-height: var(--lh-snug); }
.research-measures dt .t-eyebrow { flex-shrink: 0; }
.research-measures dd { margin: 0; color: var(--ink-soft); font-size: var(--t-body-m); line-height: var(--lh-relaxed); }
.research-steps { list-style: none; padding: 0; gap: var(--s-5); }
.research-steps li { border-top: 1px solid var(--hairline); padding-top: var(--s-4); }
.research-example { margin-top: var(--s-7); padding: var(--s-5); border: var(--card-border); border-radius: var(--card-radius); background: var(--bg-tinted); gap: var(--s-7); align-items: center; }
.research-citation { background: var(--bg-tinted); border: var(--card-border); border-radius: var(--r-2); padding: var(--s-4); overflow-wrap: anywhere; }
.research-provenance { margin-top: var(--s-7); }
.research-home-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: var(--s-7); align-items: center; }
.page-research :is(section, h2)[id], #research { scroll-margin-top: var(--s-9); }
@media (max-width: 800px) {
  .research-hero, .research-home-grid { grid-template-columns: 1fr; }
  .research-hero { padding-top: var(--s-7); }
  .research-columns, .research-example { gap: var(--s-5); }
  .research-measures > div { grid-template-columns: 1fr; gap: var(--s-3); }
}
@media print {
  .page-research :is(.o-header, .o-footer, .research-jump) { display: none; }
  .page-research [data-reveal] { opacity: 1 !important; transform: none !important; }
  .page-research .research-hero { grid-template-columns: 1fr; }
  .page-research :is(.research-preview, .o-card-archetype) { break-inside: avoid; }
}