/* Standalone research notes. The shared styles provide the type and palette;
   these selectors stay under .research-page so the landing page is untouched. */
.research-page {
  background: var(--paper-bright);
  color: var(--void);
}

.research-page .research-shell {
  width: min(1120px, calc(100% - 2 * var(--gutter)));
  margin-inline: auto;
}

.research-header {
  border-bottom: 1px solid var(--line-paper);
  background: var(--paper-bright);
}

.research-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 5rem;
}

.research-header .brand { color: var(--void); }
.research-header .brand-name span { color: var(--orange-ink); }
.research-page :focus-visible { outline-color: var(--orange-ink); }
.research-header .brand-mark { border-color: var(--orange-ink); }
.research-header .brand-mark span { background: var(--orange-ink); }

.research-header nav {
  display: flex;
  gap: clamp(1rem, 3vw, 2.5rem);
  color: var(--orange-ink);
  font-family: var(--mono);
  font-size: var(--mono-md);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.research-header nav a,
.research-links a,
.research-back {
  border-bottom: 1px solid currentColor;
  padding-block: 0.35rem;
}

.research-article { padding-block: clamp(2rem, 5vw, 5.5rem) 6rem; }

.research-kicker,
.research-label,
.research-section-index,
.research-aside-label {
  color: var(--orange-ink);
  font-family: var(--mono);
  font-size: var(--mono-md);
  letter-spacing: 0.08em;
  line-height: 1.5;
  text-transform: uppercase;
}

.research-kicker {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  border-top: 1px solid var(--line-paper);
  padding-top: 0.8rem;
}

.research-kicker span:first-child { display: inline-flex; align-items: center; gap: 0.5rem; }
.research-kicker i { width: 0.45rem; height: 0.45rem; border-radius: 50%; background: var(--orange-ink); }

.research-intro {
  max-width: 56rem;
  padding-block: clamp(4rem, 10vw, 9rem) clamp(4rem, 8vw, 7rem);
}

.research-intro h1 {
  margin: 1.1rem 0 2rem;
  color: var(--void);
  font-size: clamp(3.4rem, 9vw, 8.75rem);
  letter-spacing: var(--track-display);
  line-height: 0.91;
}

.research-intro h1 em { color: var(--orange); font-style: normal; }

.research-deck {
  max-width: 39rem;
  margin: 0 0 0 var(--indent);
  color: rgba(9, 9, 8, 0.76);
  font-size: clamp(1.15rem, 1rem + 0.4vw, 1.45rem);
  line-height: 1.4;
}

.research-boundary {
  max-width: 42rem;
  margin: 2rem 0 0 var(--indent);
  border-left: 2px solid var(--amber);
  padding: 0.8rem 0 0.8rem 1rem;
  color: rgba(9, 9, 8, 0.64);
  font-family: var(--mono);
  font-size: var(--mono-md);
  letter-spacing: 0.03em;
  line-height: 1.55;
}

.research-boundary span { color: var(--orange-ink); text-transform: uppercase; letter-spacing: 0.08em; }

.research-grid {
  display: grid;
  grid-template-columns: minmax(10rem, 0.32fr) minmax(0, 1fr);
  gap: clamp(3rem, 9vw, 9rem);
  align-items: start;
  border-top: 1px solid var(--line-paper);
  padding-top: clamp(2rem, 4vw, 4rem);
}

.research-aside { position: sticky; top: 1.5rem; }
.research-aside ol { display: grid; gap: 0.75rem; margin: 1.25rem 0 0; padding: 0; list-style: none; }
.research-aside a { color: rgba(9, 9, 8, 0.68); font-family: var(--mono); font-size: var(--mono-md); line-height: 1.4; }
.research-aside a:hover, .research-aside a:focus-visible { color: var(--orange-ink); }

.research-copy { min-width: 0; }
.research-section { border-bottom: 1px solid var(--line-paper); padding-bottom: clamp(3.5rem, 7vw, 6.5rem); }
.research-section + .research-section { padding-top: clamp(3.5rem, 7vw, 6.5rem); }

.research-section h2 {
  max-width: 22ch;
  margin: 1rem 0 1.75rem;
  color: var(--void);
  font-size: clamp(2.2rem, 4vw, 4.3rem);
  letter-spacing: var(--track-mid);
  line-height: 0.98;
}

.research-section p {
  max-width: 42rem;
  margin: 0 0 1.25rem;
  color: rgba(9, 9, 8, 0.78);
  font-size: 1.0625rem;
  line-height: 1.6;
}

.research-section a,
.research-footer a { color: var(--orange-ink); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 0.18em; }
.research-section a:hover, .research-section a:focus-visible, .research-footer a:hover, .research-footer a:focus-visible { color: var(--void); }
.research-section-question { border-left: 3px solid var(--amber); padding-left: clamp(1.25rem, 3vw, 2.5rem); }
.research-section-proposed { border-bottom: 0; }

.instrument-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 2rem 0 1.75rem;
}

.instrument-list > div { border: 1px solid var(--line-paper); padding: 1.25rem; }
.instrument-list span { color: var(--orange-ink); font-family: var(--mono); font-size: 1rem; }
.instrument-list p { margin: 0.7rem 0 0; font-size: 1rem; line-height: 1.45; }
.research-section code { padding: 0.12em 0.3em; background: rgba(9, 9, 8, 0.07); color: var(--void); font-family: var(--mono); font-size: 0.9em; }

.research-footer {
  border-top: 1px solid var(--line-paper);
  padding-top: 2rem;
}

.research-footer p { margin-bottom: 1.25rem; color: rgba(9, 9, 8, 0.62); font-family: var(--mono); font-size: var(--mono-md); text-transform: uppercase; letter-spacing: 0.06em; }
.research-links { display: flex; flex-wrap: wrap; gap: 1.5rem 2rem; margin-bottom: 3.5rem; }
.research-back { display: inline-block; font-family: var(--mono); font-size: var(--mono-md); letter-spacing: 0.06em; text-transform: uppercase; }

@media (max-width: 700px) {
  .research-page .research-shell { width: min(100% - 2rem, 1120px); }
  .research-header-inner { min-height: 4.5rem; }
  .research-header nav { gap: 0.85rem; font-size: 0.625rem; }
  .research-header nav a:first-child { display: none; }
  .research-kicker { align-items: flex-start; flex-direction: column; }
  .research-intro { padding-block: 4.5rem 4rem; }
  .research-intro h1 { font-size: clamp(3.5rem, 16vw, 5.5rem); }
  .research-deck { margin-left: 0; }
  .research-boundary { margin-left: 0; }
  .research-grid { display: block; }
  .research-aside { position: static; margin-bottom: 3rem; }
  .research-aside ol { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .instrument-list { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .research-page * { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}