/* Research overview at /research. Colours come from the --fxmd-* tokens only. */
.research-hub {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--fxmd-space-16) var(--fxmd-space-16) 64px;
  color: var(--fxmd-text);
  font-family: var(--fxmd-font-sans);
}

.rh-hero {
  padding: 40px 0 var(--fxmd-space-24);
  max-width: 760px;
}

.rh-eyebrow {
  margin: 0 0 var(--fxmd-space-10);
  color: var(--fxmd-cyan);
  font-family: var(--fxmd-font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rh-hero h1 {
  margin: 0 0 var(--fxmd-space-16);
  color: var(--fxmd-text-strong);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.12;
}

.rh-lead,
.rh-section-lead {
  margin: 0;
  color: var(--fxmd-text);
  font-size: 1.05rem;
  line-height: 1.6;
}

.rh-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--fxmd-space-12);
  margin-top: var(--fxmd-space-22);
}

.rh-button {
  display: inline-flex;
  align-items: center;
  min-height: var(--fxmd-control-height);
  padding: 0 var(--fxmd-space-22);
  border-radius: var(--fxmd-radius);
  font-weight: 600;
  text-decoration: none;
  box-shadow: var(--fxmd-cta-shadow);
}

.rh-button-secondary {
  border: 1px solid var(--fxmd-border-strong);
  color: var(--fxmd-cyan);
  background: var(--fxmd-cyan-tint);
  box-shadow: none;
}

.rh-button-secondary:hover {
  border-color: var(--fxmd-focus-border);
}

.rh-section {
  margin-top: 48px;
}

.rh-section h2 {
  margin: 0 0 var(--fxmd-space-12);
  color: var(--fxmd-text-strong);
  font-size: 1.45rem;
}

.rh-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--fxmd-space-16);
  margin-top: var(--fxmd-space-18);
}

.rh-card {
  display: flex;
  flex-direction: column;
  gap: var(--fxmd-space-8);
  padding: var(--fxmd-space-22);
  border-radius: var(--fxmd-radius);
  color: var(--fxmd-text);
  text-decoration: none;
  transition: border-color 0.15s ease;
}

.rh-card:hover,
.rh-card:focus-visible {
  border-color: var(--fxmd-focus-border);
}

.rh-card h3 {
  margin: 0;
  color: var(--fxmd-text-strong);
  font-size: 1.1rem;
}

.rh-card p {
  margin: 0;
  flex: 1;
  color: var(--fxmd-text-muted);
  line-height: 1.55;
}

.rh-link {
  color: var(--fxmd-cyan);
  font-weight: 600;
}

.rh-chip {
  align-self: flex-start;
  padding: 2px var(--fxmd-space-10);
  border: 1px solid var(--fxmd-border);
  border-radius: var(--fxmd-radius-pill);
  color: var(--fxmd-text-muted);
  font-family: var(--fxmd-font-mono);
  font-size: 0.72rem;
}

.rh-chip-free {
  border-color: var(--fxmd-mint-tint);
  color: var(--fxmd-chip-live-ink);
}

.rh-access {
  padding: var(--fxmd-space-24);
  border-radius: var(--fxmd-radius);
}

.rh-access p {
  margin: 0;
  line-height: 1.6;
}

@media (max-width: 640px) {
  .rh-hero {
    padding-top: var(--fxmd-space-24);
  }

  .rh-grid {
    grid-template-columns: 1fr;
  }
}