/* ══════════════════════════════════════
   FIELD EVIDENCE PAGE
══════════════════════════════════════ */

.research-hero {
  padding: 120px 48px 72px;
  max-width: 1200px; margin: 0 auto;
}
.research-hero h1 { font-size: clamp(52px, 8.5vw, 112px); margin-bottom: 24px; }
.research-hero .sub {
  font-size: 18px; color: var(--tm);
  max-width: 640px; line-height: 1.65;
}

.research-intro {
  border-top: 1px solid var(--b);
  border-bottom: 1px solid var(--b);
  background: var(--s1);
}
.research-intro-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 56px 48px;
  display: grid; grid-template-columns: 200px 1fr; gap: 48px;
}
.research-intro-label {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--y); letter-spacing: .12em;
  text-transform: uppercase;
}
.research-intro-text p {
  font-size: 16px; color: var(--tm); line-height: 1.72;
  margin-bottom: 14px;
}
.research-intro-text p:last-child { margin-bottom: 0; }

/* Publication grid */
.pub-grid {
  max-width: 1400px; margin: 0 auto;
  padding: 1px 48px;
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 1px; background: var(--b);
}
.pub-grid-wrap {
  padding: 48px 48px 48px;
  max-width: 1400px; margin: 0 auto;
}
.pub-card {
  background: var(--s1);
  padding: 40px 36px;
  display: flex; flex-direction: column; gap: 16px;
  transition: background .2s, transform .2s;
  border: 1px solid var(--b);
  position: relative;
}
.pub-card:hover { background: var(--s2); }
.pub-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 0; height: 2px; background: var(--y);
  transition: width .3s;
}
.pub-card:hover::before { width: 100%; }

.pub-source {
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--y);
}
.pub-card h3 {
  font-family: var(--font-display);
  font-size: 22px; text-transform: uppercase;
  letter-spacing: .03em; line-height: 1.15;
}
.pub-summary {
  font-size: 14px; line-height: 1.65;
  color: var(--tm); flex: 1;
}
.pub-relevance {
  font-size: 13px; line-height: 1.6;
  color: var(--tm);
  border-left: 2px solid var(--y);
  padding-left: 14px; font-style: italic;
}
.pub-relevance strong {
  font-style: normal; color: var(--y);
  font-family: var(--font-mono); font-size: 10px;
  letter-spacing: .12em; text-transform: uppercase;
  display: block; margin-bottom: 4px;
}
.pub-footer {
  display: flex; align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--b);
}
.pub-year {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--td); letter-spacing: .06em;
}
.pub-link {
  font-family: var(--font-body); font-size: 12px;
  font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: var(--y);
  display: flex; align-items: center; gap: 6px;
  transition: gap .2s; cursor: pointer;
}
.pub-link:hover { gap: 10px; }

/* Grid layout fix */
.pub-wrap {
  max-width: 1400px; margin: 0 auto;
  padding: 48px;
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.research-disclaimer {
  max-width: 1200px; margin: 0 auto;
  padding: 48px; border-top: 1px solid var(--b);
}
.research-disclaimer p {
  font-size: 13px; color: var(--td);
  line-height: 1.7; max-width: 680px;
}

.research-cta {
  text-align: center;
  padding: 80px 48px;
  background: var(--s1);
  border-top: 1px solid var(--b);
}
.research-cta h3 {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 48px);
  margin-bottom: 24px;
  letter-spacing: .03em; text-transform: uppercase;
  line-height: 1;
}
.research-cta-btns {
  display: flex; gap: 14px;
  justify-content: center; flex-wrap: wrap;
}

@media (max-width: 900px) {
  .research-hero { padding: 80px 24px 56px; }
  .research-intro-inner { grid-template-columns: 1fr; gap: 20px; padding: 40px 24px; }
  .pub-wrap { grid-template-columns: 1fr; padding: 24px; gap: 16px; }
  .research-disclaimer { padding: 32px 24px; }
  .research-cta { padding: 56px 24px; }
}