/* DOMAIN-SPLIT-R4A-MAIN-HUB-FOUNDATION */
.mrx-domain-mode-main .main-content {
  padding: 30px 32px;
}

.mrx-main-hub {
  display: block;
  max-width: 1280px;
  margin: 0 auto;
}

.mrx-main-hub-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 22px;
  align-items: stretch;
  margin-bottom: 22px;
  padding: 28px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.22), rgba(14, 165, 233, 0.08)), rgba(15, 23, 42, 0.78);
  border: 1px solid rgba(148, 163, 184, 0.18);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.22);
}

.mrx-hub-eyebrow {
  color: #38bdf8;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.78rem;
  margin-bottom: 10px;
}

.mrx-main-hub h1 {
  margin: 0 0 10px;
  color: #f8fafc;
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 900;
  letter-spacing: -0.05em;
}

.mrx-hub-subtitle {
  max-width: 820px;
  margin: 0;
  color: #cbd5e1;
  line-height: 1.7;
  font-size: 1rem;
}

.mrx-hub-release-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 8px;
  padding: 22px;
  border-radius: 20px;
  background: rgba(2, 6, 23, 0.42);
  border: 1px solid rgba(59, 130, 246, 0.28);
}

.mrx-hub-release-label,
.mrx-hub-panel-kicker {
  color: #93c5fd;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.72rem;
  font-weight: 900;
}

.mrx-hub-release-card strong {
  color: #ffffff;
  font-size: 1.08rem;
}

.mrx-hub-release-card small {
  color: #94a3b8;
  word-break: break-word;
}

.mrx-hub-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  margin-bottom: 20px;
}

.mrx-hub-panel,
.mrx-hub-status-card,
.mrx-hub-audit-note {
  border-radius: 22px;
  background: rgba(15, 23, 42, 0.84);
  border: 1px solid rgba(148, 163, 184, 0.16);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.18);
}

.mrx-hub-panel {
  padding: 22px;
}

.mrx-hub-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.mrx-hub-panel h2 {
  color: #f8fafc;
  font-size: 1.35rem;
  font-weight: 900;
  margin: 5px 0 0;
}

.mrx-hub-link-list {
  display: grid;
  gap: 10px;
}

.mrx-hub-link-card {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr) 26px;
  align-items: center;
  gap: 12px;
  padding: 13px 14px;
  border-radius: 16px;
  color: #e2e8f0;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(148, 163, 184, 0.12);
  transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.mrx-hub-link-card:hover {
  transform: translateY(-1px);
  color: #ffffff;
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.35);
}

.mrx-hub-link-icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  font-size: 1.2rem;
}

.mrx-hub-link-body {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.mrx-hub-link-body strong {
  color: #f8fafc;
  font-size: 0.96rem;
}

.mrx-hub-link-body small {
  color: #94a3b8;
  line-height: 1.35;
}

.mrx-hub-link-arrow {
  color: #64748b;
}

.mrx-hub-status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.mrx-hub-status-card {
  display: flex;
  gap: 14px;
  padding: 18px;
}

.mrx-hub-status-icon {
  font-size: 1.25rem;
  line-height: 1;
  margin-top: 2px;
}

.mrx-hub-status-card strong {
  display: block;
  color: #f8fafc;
  margin-bottom: 5px;
}

.mrx-hub-status-card p {
  color: #94a3b8;
  margin: 0;
  line-height: 1.55;
  font-size: 0.9rem;
}

.mrx-hub-audit-note {
  padding: 16px 18px;
  color: #cbd5e1;
  line-height: 1.6;
}

.mrx-hub-audit-note code,
.mrx-hub-status-card code {
  color: #7dd3fc;
  background: rgba(14, 165, 233, 0.1);
  border: 1px solid rgba(14, 165, 233, 0.16);
  border-radius: 8px;
  padding: 2px 6px;
}

@media (max-width: 1100px) {
  .mrx-main-hub-hero,
  .mrx-hub-grid,
  .mrx-hub-status-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .mrx-domain-mode-main .main-content {
    padding: 18px;
  }

  .mrx-main-hub-hero,
  .mrx-hub-panel {
    padding: 18px;
  }

  .mrx-hub-panel-header {
    flex-direction: column;
  }
}