/* Research index — v4 marketing tokens */

.v4-marketing-page .sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.v4-marketing-page .rsch-hero {
  margin-bottom: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule-soft);
}

.v4-marketing-page .rsch-hero h1,
.v4-marketing-page .rsch-hero__title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(1.85rem, 4vw, 2.5rem);
  color: var(--ink-strong);
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0.5rem 0 0.75rem;
}

.v4-marketing-page .rsch-hero__lead {
  font-size: 16px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0;
  max-width: 42em;
}

.v4-marketing-page .rsch-section {
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--rule-soft);
}

.v4-marketing-page .rsch-section:last-child {
  border-bottom: 0;
  padding-bottom: 0;
  margin-bottom: 0;
}

.v4-marketing-page .rsch-section--muted {
  margin-left: -48px;
  margin-right: -48px;
  padding: 2rem 48px 2.5rem;
  background: var(--paper);
  border-bottom: 0;
}

.v4-marketing-page .rsch-section--cta {
  text-align: center;
  padding-top: 0.5rem;
}

.v4-marketing-page .rsch-section__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.35rem;
  color: var(--navy);
  letter-spacing: -0.01em;
  line-height: 1.25;
  margin: 0 0 1rem;
}

.v4-marketing-page .rsch-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  align-items: stretch;
}

@media (max-width: 900px) {
  .v4-marketing-page .rsch-grid {
    grid-template-columns: 1fr;
  }
}

.v4-marketing-page .rsch-card {
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--r);
  padding: 1.35rem 1.25rem;
  box-shadow: none;
}

.v4-marketing-page .rsch-card__title {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--navy);
  margin: 0 0 0.5rem;
  line-height: 1.25;
}

.v4-marketing-page .rsch-card__text {
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink);
  margin: 0 0 1rem;
  flex: 1;
}

.v4-marketing-page .rsch-card__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-top: auto;
}

.v4-marketing-page .rsch-link {
  font-size: 13px;
  font-weight: 600;
  color: var(--navy);
  text-decoration: none;
}

.v4-marketing-page .rsch-link:hover {
  color: var(--gold-deep);
  text-decoration: underline;
}

.v4-marketing-page .rsch-callout {
  padding: 1.15rem 1.25rem;
  background: var(--cream);
  border-left: 3px solid var(--gold);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  margin-bottom: 1rem;
}

.v4-marketing-page .rsch-callout__text {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
}

.v4-marketing-page .rsch-body {
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--ink);
  max-width: 48em;
  margin: 0 0 1rem;
}

.v4-marketing-page .rsch-body--center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.v4-marketing-page .rsch-measures {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  max-width: 48em;
}

.v4-marketing-page .rsch-measures li {
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink);
  padding: 0.75rem 1rem;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--r-sm);
}

.v4-marketing-page .rsch-citations {
  list-style: none;
  counter-reset: cite;
  margin: 0 0 1.25rem;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  max-width: 48em;
}

.v4-marketing-page .rsch-citations li {
  counter-increment: cite;
  position: relative;
  padding-left: 1.75rem;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--ink);
}

.v4-marketing-page .rsch-citations li::before {
  content: counter(cite) ".";
  position: absolute;
  left: 0;
  font-weight: 700;
  color: var(--gold-deep);
  font-size: 13px;
}

.v4-marketing-page .rsch-cite-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  max-width: 48em;
}

.v4-marketing-page .rsch-cta-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1rem;
}

.v4-marketing-page .rsch-cta-row .btn-large {
  min-height: 48px;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

@media (max-width: 720px) {
  .v4-marketing-page .rsch-section--muted {
    margin-left: -18px;
    margin-right: -18px;
    padding-left: 18px;
    padding-right: 18px;
  }

  .v4-marketing-page .rsch-cta-row {
    flex-direction: column;
    align-items: stretch;
  }

  .v4-marketing-page .rsch-cta-row .btn {
    width: 100%;
  }
}