/* ========= SCREEN 0: TITLE / HUB ========= */
#s0 {
  background: radial-gradient(ellipse at 20% 30%, rgba(108,159,255,0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 75% 60%, rgba(192,132,252,0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 90%, rgba(56,189,248,0.04) 0%, transparent 40%),
              var(--bg);
}
.hub-hero {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 60px 24px 40px;
  text-align: center;
}
.hub-badge {
  font-size: 10px; letter-spacing: 3px; text-transform: uppercase;
  color: var(--muted); margin-bottom: 20px;
  font-family: 'JetBrains Mono', monospace; font-weight: 400;
}
.hub-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(40px, 8vw, 72px);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -3px;
  margin-bottom: 16px;
}
.hub-title em {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hub-title.domain-title {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: clamp(32px, 6vw, 56px);
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hub-sub {
  font-size: 14px; color: var(--muted);
  max-width: 440px; line-height: 1.8; margin: 0 auto 40px; text-align: center;
}
.hub-cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px; max-width: 960px; width: 100%;
  margin-bottom: 40px;
}
.hub-cards.domain-picker {
  grid-template-columns: repeat(3, 1fr);
}
.hub-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 24px 20px;
  text-align: left;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  position: relative; overflow: hidden;
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--glass-shadow);
}
.hub-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
}
.hub-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.04) 0%, transparent 50%);
  pointer-events: none;
}
.hub-card.c1::before { background: linear-gradient(90deg, var(--accent), var(--accent2), transparent); }
.hub-card.c2::before { background: linear-gradient(90deg, var(--purple), var(--accent), transparent); }
.hub-card.c3::before { background: linear-gradient(90deg, var(--gold), #fb923c, transparent); }
.hub-card:hover { border-color: rgba(130,170,255,0.2); transform: translateY(-4px);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.08); }
.hc-icon { font-size: 28px; margin-bottom: 14px; }
.hc-num { font-size: 10px; letter-spacing: 2px; color: var(--muted); margin-bottom: 6px; font-family: 'JetBrains Mono', monospace; }
.hc-title {
  font-family: 'Space Grotesk', sans-serif; font-weight: 600; font-size: 15px;
  margin-bottom: 8px; color: #fff;
}
.hc-desc { font-size: 11.5px; color: var(--muted); line-height: 1.65; }
.hc-status { margin-top: 16px; }
.hub-stats {
  display: flex; gap: 32px;
}
.stat-item { text-align: center; }
.stat-val {
  font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 28px;
  color: #fff;
}
.stat-label { font-size: 10px; color: var(--muted); letter-spacing: 1px; font-family: 'JetBrains Mono', monospace; }
.hub-footer {
  margin-top: 40px; padding: 20px 0 12px;
  font-size: 11px; color: var(--muted); text-align: center;
  letter-spacing: 0.3px; opacity: 0.7;
  border-top: 1px solid var(--glass-border);
}