:root{
  --card: rgba(255,255,255,.92);
  --card-border: rgba(255,255,255,.7);
  --shadow: 0 18px 60px rgba(2,6,23,.28);
  --txt: #0f172a;
  --muted: #64748b;
  --live: #0ea5e9;
  --soon: #9ca3af;
}

#cite-hub{
  color: var(--txt);
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  margin: 0 auto; padding: clamp(16px,3vw,28px);
  max-width: 1100px;
}

#cite-hub h1{
  color:#eaf2ff; text-shadow:0 1px 2px rgba(0,0,0,.35);
  text-align:center; margin: 8px 0 6px;
}
.hub-tagline{
  text-align:center; color:#eaf2ff; opacity:.9; margin:0 0 16px;
}

.hub-grid{
  display:grid;
  gap:16px;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
}

.hub-card{
  background:var(--card);
  border:1px solid var(--card-border);
  border-radius:16px;
  box-shadow:var(--shadow);
  padding:18px;
  display:flex;
  flex-direction:column;
  align-items:center;
  text-align:center;
  color:var(--txt);
}

.hub-card h2{ margin:0 0 12px; }

.hub-start{
  margin-top:auto;
  display:inline-block;
  padding:6px 16px;
  border-radius:8px;
  background:var(--live);
  color:#fff;
  text-decoration:none;
  font-weight:600;
}

.hub-card.disabled .hub-start{
  background:var(--soon);
  pointer-events:none;
}

.hub-foot{ margin-top: 14px; text-align:center; color:#eaf2ff; }