.report-previews { display: grid; gap: 26px; }
.report-previews > article { display: grid; grid-template-columns: 210px 1fr; gap: 30px; padding: 28px; border: 1px solid var(--line); background: var(--surface); }
.report-sheet { display: grid; min-height: 260px; align-content: start; padding: 22px; border: 1px solid var(--line); border-top: 5px solid var(--motion); background: var(--bg); }
.report-sheet > span { color: var(--motion); font-family: var(--font-technical); font-size: 6px; letter-spacing: .1em; }
.report-sheet > strong { margin: 14px 0 24px; font-size: 13px; }
.report-sheet > i { display: block; width: 100%; height: 4px; margin-bottom: 8px; background: var(--line); }
.report-sheet > i:nth-of-type(2) { width: 78%; }.report-sheet > i:nth-of-type(3) { width: 90%; }
.report-sheet > div { display: flex; flex-direction: column; margin-top: 30px; padding-top: 16px; border-top: 1px solid var(--line); }
.report-sheet > div b { color: var(--motion); font-size: 1.6rem; }.report-sheet > div small { color: var(--muted); }
.report-sheet--ergo { border-top-color: var(--ergo); }.report-sheet--ergo > span,.report-sheet--ergo > div b { color: var(--ergo); }
.report-previews h3 { margin: 22px 0 12px; font-size: 1.55rem; }.report-previews p { max-width: 580px; }
.publication-list { margin-top: 64px; border-top: 1px solid var(--line); }
.publication-list article { display: grid; grid-template-columns: .55fr 1.2fr 1.25fr auto; gap: 26px; align-items: start; padding: 26px 0; border-bottom: 1px solid var(--line); }
.publication-list article > span { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; }
.publication-list h3 { margin: 0; font-size: 1.15rem; line-height: 1.25; }.publication-list p { margin: 0; font-size: 13px; }
.publication-list a { display: inline-flex; min-height: 44px; align-items: center; color: var(--ink-strong); font-size: 12px; font-weight: 680; white-space: nowrap; }.publication-list a:hover { text-decoration: underline; text-underline-offset: 4px; }
.citation-note { margin-top: 24px; font-size: 12px; }
.technical-note-list { border-top: 1px solid #315976; }
.technical-note-list article { display: grid; grid-template-columns: 100px 1fr; gap: 25px; padding: 28px 0; border-bottom: 1px solid #315976; }
.technical-note-list article > span { color: #67b8df; font-family: var(--font-technical); font-size: 8px; }
.technical-note-list h3 { margin: 0 0 10px; color: #fff; font-size: 1.4rem; }.technical-note-list p { max-width: 760px; margin-bottom: 14px; color: #adc2ce; }
.technical-note-list a { display: inline-flex; min-height: 44px; align-items: center; color: #fff; font-size: 13px; font-weight: 680; }.technical-note-list a:hover { text-decoration: underline; text-underline-offset: 4px; }
.future-list { display: grid; margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.future-list li { display: grid; grid-template-columns: 56px 1fr; gap: 20px; padding: 24px 0; border-bottom: 1px solid var(--line); }
.future-list li > span { color: var(--motion); font-family: var(--font-technical); font-size: 8px; }.future-list h3 { margin: 18px 0 8px; font-size: 1.3rem; }.future-list p { margin: 0; }
.research-contact > div:first-child ul { display: grid; gap: 8px; padding-left: 20px; color: var(--muted); }.research-contact > div:first-child li::marker { color: var(--motion); }
#research-philosophy,#validation-methodology,#intended-use,#known-limitations,#sample-datasets,#example-reports,#publications,#technical-notes,#future-publications { scroll-margin-top: 150px; }
@media (max-width: 1060px) {
  .research-hero__grid,.research-heading-grid,.research-section-grid { grid-template-columns: 1fr; }.research-heading-grid > div:last-child { padding-top: 0; }.research-section-grid > header { position: static; }
  .philosophy-grid { grid-template-columns: repeat(2,1fr); }.metric-strip { grid-template-columns: repeat(3,1fr); }.limitations-grid { grid-template-columns: repeat(2,1fr); }.dataset-grid { grid-template-columns: 1fr; }
  .publication-list article { grid-template-columns: .65fr 1.35fr; }.publication-list article > a { justify-self: start; }
}
@media (max-width: 740px) {
  .research-hero { padding-top: 54px; }.research-hero h1 { font-size: clamp(2.35rem,11vw,3.5rem); }.research-hero__actions,.research-hero__actions .button { width: 100%; }
  .evidence-ledger > div { grid-template-columns: 1fr; gap: 6px; }.research-proof,.philosophy-grid,.metric-strip,.limitations-grid { grid-template-columns: 1fr; }.research-proof span { border-right: 0; border-bottom: 1px solid var(--line); }.research-nav { top: 72px; }
  .philosophy-grid article,.limitations-grid article { min-height: 0; }.philosophy-grid h3,.limitations-grid h3 { margin-top: 42px; }.intended-use-list article,.dataset-grid article,.dataset-notice,.report-previews > article,.publication-list article { grid-template-columns: 1fr; }
  .report-sheet { max-width: 280px; }.publication-list article { gap: 10px; }.technical-note-list article { grid-template-columns: 65px 1fr; }
}
@media (prefers-reduced-motion: reduce) { .research-nav { backdrop-filter: none; } }