/* ═══════════════════════════════════════════════════════════
   OPENRIDGE AI — DATA / RESEARCH PAGE
   "Tearsheet" treatment. Mono-heavy research desk note.
   Built on style-v2.css tokens. No restyling of shared modules.
   ═══════════════════════════════════════════════════════════ */

.tearsheet { background: var(--ivory); }

/* ── MASTHEAD ──────────────────────────────────────────── */
.ts-masthead {
  border-bottom: 1px solid var(--rule-strong);
  padding: 40px 0 36px;
}
.ts-mast-top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
  padding-bottom: 22px;
  border-bottom: 1px solid var(--rule);
}
.ts-mast-top .ts-mast-class { color: var(--copper); }
.ts-mast-top strong { color: var(--navy-950); font-weight: 600; }
.ts-mast-title {
  font-family: var(--ff-head);
  font-size: clamp(40px, 5.4vw, 80px);
  font-weight: 400;
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--text-ink);
  margin: 28px 0 22px;
  max-width: 1000px;
}
.ts-mast-title em { font-style: normal; color: var(--gold); }
.ts-mast-sub {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--navy-800);
}
.ts-mast-meta {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  display: grid;
  grid-template-columns: repeat(4, auto);
  gap: 16px 56px;
  justify-content: start;
}
.ts-mast-meta div { display: flex; flex-direction: column; gap: 5px; }
.ts-mast-meta dt {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.ts-mast-meta dd {
  font-family: var(--ff-mono);
  font-size: 13px;
  color: var(--navy-900);
  letter-spacing: 0.02em;
}
.ts-mast-meta dd.ts-asof { color: var(--gold); }

/* ── LAYOUT: main + sticky data rail ───────────────────── */
.ts-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 296px;
  gap: 64px;
  align-items: start;
  padding: 56px 0 0;
}
.ts-main { min-width: 0; }

/* ── DATA RAIL (terminal-style, sticky) ────────────────── */
.ts-rail {
  position: sticky;
  top: 96px;
  align-self: start;
}
.ts-rail-card {
  background: var(--navy-950);
  color: var(--ivory);
  border: 1px solid var(--rule-dark-strong);
  border-radius: 2px;
  padding: 20px 20px 22px;
}
.ts-rail-head {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(244,241,234,0.5);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  margin-bottom: 14px;
  border-bottom: 1px solid var(--rule-dark);
}
.ts-rail-live {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--gold-lt);
}
.ts-rail-live::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 3px rgba(31,138,128,0.25);
}
.ts-rail-index { list-style: none; margin: 0 0 18px; padding: 0; }
.ts-rail-index li { border-bottom: 1px solid var(--rule-dark); }
.ts-rail-index li:last-child { border-bottom: none; }
.ts-rail-index a {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(244,241,234,0.72);
  text-decoration: none;
  transition: color .18s;
}
.ts-rail-index a:hover { color: var(--gold-lt); }
.ts-rail-index .ri-no { color: var(--gold); width: 22px; flex-shrink: 0; }
.ts-rail-figs {
  border-top: 1px solid var(--rule-dark);
  padding-top: 16px;
}
.ts-rail-figs-label {
  font-family: var(--ff-mono);
  font-size: 9.5px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(244,241,234,0.45);
  margin-bottom: 12px;
}
.ts-rail-fig {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 0;
}
.ts-rail-fig-n {
  font-family: var(--ff-head);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -0.02em;
  color: var(--ivory);
  line-height: 1;
}
.ts-rail-fig-n sup { font-size: 0.4em; color: var(--gold); vertical-align: super; }
.ts-rail-fig-l {
  font-family: var(--ff-mono);
  font-size: 9.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(244,241,234,0.55);
  text-align: right;
  line-height: 1.3;
  max-width: 140px;
}
.ts-rail-foot {
  margin-top: 16px;
  font-family: var(--ff-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  line-height: 1.6;
  color: rgba(244,241,234,0.35);
}

/* ── SECTION SCAFFOLD ──────────────────────────────────── */
.ts-section { padding: 64px 0; border-top: 1px solid var(--rule); }
.ts-section:first-child { border-top: none; padding-top: 8px; }
.ts-sec-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding-bottom: 14px;
  margin-bottom: 36px;
  border-bottom: 1px solid var(--rule-strong);
}
.ts-sec-no {
  font-family: var(--ff-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--gold);
  font-weight: 500;
}
.ts-sec-title {
  font-family: var(--ff-head);
  font-size: clamp(26px, 3vw, 40px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.05;
  color: var(--navy-950);
}
.ts-sec-title em { font-style: normal; color: var(--gold); }
.ts-sec-tag {
  margin-left: auto;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
  align-self: flex-end;
  white-space: nowrap;
}
.ts-sec-tag.is-data { color: var(--teal); }
.ts-sec-tag.is-proof { color: var(--navy-700); }
.ts-lede {
  font-family: var(--ff-head);
  font-style: normal;
  font-size: clamp(18px, 1.8vw, 22px);
  line-height: 1.45;
  color: var(--navy-800);
  max-width: 720px;
  margin-bottom: 40px;
}

/* ── 01 · MACRO — data objects ─────────────────────────── */
.macro-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--rule-strong);
  border-left: 1px solid var(--rule-strong);
}
.data-object {
  padding: 36px 32px 30px;
  border-right: 1px solid var(--rule-strong);
  border-bottom: 1px solid var(--rule-strong);
  position: relative;
}
.do-tag {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 22px;
}
.do-kind {
  font-family: var(--ff-mono);
  font-size: 9px;
  letter-spacing: 0.14em;
  padding: 2px 7px;
  border-radius: 2px;
  border: 1px solid var(--teal);
  color: var(--teal);
}
.do-kind.is-proj { border-color: rgba(184,99,44,0.5); color: var(--copper); }
.do-num {
  font-family: var(--ff-head);
  font-size: clamp(56px, 7vw, 92px);
  font-weight: 400;
  line-height: 0.9;
  letter-spacing: -0.04em;
  color: var(--navy-950);
  margin-bottom: 18px;
}
.do-num sup {
  font-size: 0.32em;
  vertical-align: super;
  color: var(--gold);
  font-style: italic;
  margin-left: 2px;
}
.data-object.proj .do-num { color: var(--copper); }
.do-desc {
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-body);
  max-width: 300px;
  margin-bottom: 22px;
}
.do-src {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-mute);
  padding-top: 14px;
  border-top: 1px solid var(--rule);
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.do-src .do-src-q { color: var(--copper); }

/* ── 02 · VERTICAL TABLE ───────────────────────────────── */
.vtable-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.vtable {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--ff-mono);
  min-width: 760px;
}
.vtable thead th {
  text-align: left;
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
  font-weight: 500;
  padding: 0 18px 14px;
  border-bottom: 1px solid var(--rule-strong);
  vertical-align: bottom;
}
.vtable thead th:first-child { padding-left: 0; }
.vtable thead th sup { color: var(--gold); }
.vtable tbody td {
  padding: 18px 18px 16px;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
  font-size: 12.5px;
  color: var(--text-body);
  letter-spacing: 0.02em;
}
.vtable tbody td:first-child { padding-left: 0; }
.vtable .vt-vert {
  font-family: var(--ff-head);
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--navy-950);
  white-space: nowrap;
}
.vtable .vt-signal {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.vt-band {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 2px;
  border: 1px solid var(--rule-strong);
  color: var(--navy-800);
}
.vt-band.b-low { border-color: rgba(184,99,44,0.45); color: var(--copper); }
.vt-band.b-mod { border-color: var(--gold); color: #8a7224; }
.vt-ph {
  color: var(--text-faint);
  font-size: 11px;
  letter-spacing: 0.08em;
}
.vt-interp {
  color: var(--text-mute);
  font-family: var(--ff-body);
  font-size: 13px;
  line-height: 1.5;
  letter-spacing: 0;
}
.vtable sup { color: var(--gold); font-size: 0.78em; }
.vtable-cap {
  font-family: var(--ff-mono);
  font-size: 10.5px;
  line-height: 1.7;
  color: var(--text-faint);
  margin-top: 18px;
  letter-spacing: 0.02em;
}
.vtable-cap sup { color: var(--gold); }

/* ── 03 · EVIDENCE EXHIBIT ─────────────────────────────── */
.exhibit {
  border: 1px solid var(--rule-strong);
  background: var(--paper);
}
.exhibit-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 24px;
  border-bottom: 1px solid var(--rule-strong);
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
}
.exhibit-bar strong { color: var(--navy-950); font-weight: 600; }
.exhibit-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.ex-panel { padding: 28px 28px 30px; }
.ex-panel.ex-before { border-right: 1px solid var(--rule-strong); }
.ex-panel-head {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-mute);
  margin-bottom: 18px;
}
.ex-stamp {
  font-family: var(--ff-mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  padding: 2px 7px;
  border-radius: 2px;
}
.ex-stamp.s-before { border: 1px solid rgba(184,99,44,0.5); color: var(--copper); }
.ex-stamp.s-after { border: 1px solid var(--teal); color: var(--teal); }
.ex-prompt {
  font-family: var(--ff-mono);
  font-size: 11px;
  line-height: 1.5;
  color: var(--navy-800);
  background: var(--ivory-2);
  border-left: 2px solid var(--navy-600);
  padding: 10px 14px;
  margin-bottom: 16px;
}
.ex-prompt span { color: var(--text-mute); }
.ex-answer {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-body);
}
.ex-answer .ex-miss { color: var(--copper); font-style: italic; }
.ex-answer .ex-hit {
  background: rgba(201,168,76,0.22);
  padding: 0 3px;
  font-weight: 500;
  color: var(--navy-950);
}
.ex-shot {
  margin-top: 18px;
  border: 1px dashed var(--rule-strong);
  background: var(--ivory);
  min-height: 132px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 20px;
  line-height: 1.7;
}
.exhibit-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 16px 24px;
  border-top: 1px solid var(--rule-strong);
}
.exhibit-foot .ef-note {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  color: var(--text-mute);
  line-height: 1.6;
}
.exhibit-foot .ef-note sup { color: var(--gold); }

/* ── 04 · TIMELINE INSTRUMENT ──────────────────────────── */
.timeline {
  background: var(--navy-950);
  color: var(--ivory);
  padding: 44px 48px 40px;
}
.timeline-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--rule-dark);
  margin-bottom: 60px;
}
.timeline-title {
  font-family: var(--ff-head);
  font-size: 22px;
  color: var(--ivory);
  letter-spacing: -0.01em;
}
.timeline-note {
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(244,241,234,0.45);
}
.tl-track {
  position: relative;
  height: 2px;
  background: rgba(244,241,234,0.16);
  margin: 56px 0 0;
}
.tl-fill {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 12%;
  background: var(--gold);
}
.tl-marks {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: space-between;
}
.tl-mark {
  position: relative;
  width: 0;
}
.tl-tick {
  position: absolute;
  top: -5px; left: -1px;
  width: 2px; height: 12px;
  background: rgba(244,241,234,0.4);
}
.tl-mark.is-now .tl-tick {
  height: 18px;
  top: -8px;
  background: var(--gold);
}
.tl-mark.is-now .tl-tick::after {
  content: '';
  position: absolute;
  top: -5px; left: -3px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 0 0 6px rgba(201,168,76,0.2);
}
.tl-here {
  position: absolute;
  top: -44px; left: -34px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-lt);
  white-space: nowrap;
}
.tl-cap {
  position: absolute;
  top: 22px;
  left: -56px;
  width: 124px;
  text-align: center;
}
.tl-mark:first-child .tl-cap { left: -8px; width: 120px; text-align: left; }
.tl-mark:last-child .tl-cap { left: auto; right: -8px; width: 120px; text-align: right; }
.tl-cap-t {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-lt);
  margin-bottom: 6px;
}
.tl-mark.is-locked .tl-cap-t { color: var(--copper); }
.tl-cap-b {
  font-family: var(--ff-body);
  font-size: 12px;
  line-height: 1.45;
  color: rgba(244,241,234,0.62);
}
.timeline-foot {
  margin-top: 120px;
  padding-top: 20px;
  border-top: 1px solid var(--rule-dark);
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.04em;
  line-height: 1.7;
  color: rgba(244,241,234,0.4);
}
.timeline-foot sup { color: var(--gold); }

/* ── 05 · THE INDEX (ADI tie-back) ─────────────────────── */
.index-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 56px;
  align-items: center;
}
.index-copy p {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 18px;
  max-width: 540px;
}
.index-copy p.index-lead {
  font-family: var(--ff-head);
  font-style: normal;
  font-size: 21px;
  line-height: 1.4;
  color: var(--navy-800);
}
.index-copy strong { color: var(--navy-950); font-weight: 600; }
.index-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }
.index-adi { display: flex; justify-content: flex-end; }
.index-adi .adi { width: 100%; }

/* ── APPARATUS: footnotes / methodology / disclaimer ───── */
.ts-apparatus {
  border-top: 1px solid var(--rule-strong);
  padding: 56px 0 72px;
}
.apparatus-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 64px;
}
.apparatus-label {
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 22px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--rule);
}
.footnotes { list-style: none; margin: 0; padding: 0; counter-reset: fn; }
.footnotes li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--rule);
  font-family: var(--ff-mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--text-body);
  letter-spacing: 0.01em;
}
.footnotes li::before {
  content: counter(fn);
  counter-increment: fn;
  font-family: var(--ff-mono);
  font-size: 11px;
  color: var(--gold);
}
.footnotes .fn-q { color: var(--copper); }
.footnotes .fn-src { color: var(--navy-800); }
.methodology p {
  font-family: var(--ff-body);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--text-body);
  margin-bottom: 14px;
}
.methodology p strong { color: var(--navy-950); font-weight: 600; }
.ts-disclaimer { margin-top: 40px; }

/* ── footnote markers inline ───────────────────────────── */
sup.fnref {
  font-family: var(--ff-mono);
  font-size: 0.62em;
  color: var(--gold);
  vertical-align: super;
  font-weight: 500;
  margin-left: 1px;
}
sup.fnref a { color: var(--gold); text-decoration: none; }
sup.fnref a:hover { text-decoration: underline; }

/* ── RESPONSIVE ────────────────────────────────────────── */
@media (max-width: 1080px) {
  .ts-layout { grid-template-columns: 1fr; gap: 0; }
  .ts-rail { display: none; }            /* collapse terminal rail on mobile/tablet */
  .index-grid { grid-template-columns: 1fr; gap: 36px; }
  .index-adi { justify-content: flex-start; }
  .index-adi .adi { max-width: 420px; }
}
@media (max-width: 760px) {
  .ts-mast-meta { grid-template-columns: repeat(2, auto); gap: 16px 40px; }
  .macro-grid { grid-template-columns: 1fr; }
  .exhibit-grid { grid-template-columns: 1fr; }
  .ex-panel.ex-before { border-right: none; border-bottom: 1px solid var(--rule-strong); }
  .apparatus-grid { grid-template-columns: 1fr; gap: 40px; }
  .timeline { padding: 32px 22px 28px; }
  .tl-track { margin-top: 40px; }
  .ts-sec-head { flex-wrap: wrap; }
  .ts-sec-tag { margin-left: 0; width: 100%; }
}