:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --ink: #1a1d29;
  --ink-soft: #5b6172;
  --line: #e6e8f0;
  --accent: #2f7d78;
  --accent-2: #4f46e5;
  --accent-soft: #e7f3f2;
  --shadow: 0 1px 2px rgba(20, 25, 45, .04), 0 8px 24px rgba(20, 25, 45, .06);
  --radius: 16px;
  font-family: "IBM Plex Sans", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 980px; margin: 0 auto; padding: 0 20px; }

.hub-header {
  padding: 56px 0 28px;
  text-align: center;
}
.hub-badge {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 6px 14px;
  border-radius: 999px;
}
.hub-header h1 {
  font-size: clamp(30px, 5vw, 44px);
  margin: 16px 0 8px;
  letter-spacing: -.02em;
}
.hub-header p {
  color: var(--ink-soft);
  font-size: 18px;
  max-width: 560px;
  margin: 0 auto;
}

.modules {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 18px;
  padding: 28px 0 64px;
}

.module-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow);
  transition: transform .15s ease, box-shadow .15s ease;
}
.module-card.live:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(20, 25, 45, .08), 0 18px 40px rgba(20, 25, 45, .10);
}
.module-card.soon { opacity: .6; }

.module-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 700;
  font-size: 18px;
}
.module-card.soon .module-num { background: var(--ink-soft); }

.module-card h2 { font-size: 20px; margin: 16px 0 6px; }
.module-card p { color: var(--ink-soft); margin: 0; font-size: 15px; }

.pill {
  display: inline-block; margin-top: 14px;
  font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: 999px;
}
.pill.on { color: var(--accent); background: var(--accent-soft); }
.pill.off { color: var(--ink-soft); background: #eef0f5; }

.hub-foot {
  text-align: center; color: var(--ink-soft);
  font-size: 13px; padding: 0 0 48px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1117; --card: #171a23; --ink: #e9ebf2; --ink-soft: #9aa1b4;
    --line: #262a36; --accent: #4fd1c5; --accent-2: #8b8cf7; --accent-soft: #16302e;
    --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.3);
  }
  .pill.off { background: #222634; }
}