* { box-sizing: border-box; }

:root {
  --felt: #0b5c3d;
  --felt-dark: #084730;
  --panel: rgba(0,0,0,0.35);
  --panel-light: rgba(255,255,255,0.08);
  --gold: #e8c14a;
  --text: #f2f2ee;
  --text-dim: #c9d2cc;
}

html, body {
  height: 100%;
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(ellipse at center, var(--felt) 0%, var(--felt-dark) 100%);
  color: var(--text);
}

.hub-header {
  text-align: center;
  padding: 56px 20px 24px;
}

.hub-header h1 {
  margin: 0 0 6px;
  font-size: 2.6em;
  color: var(--gold);
  letter-spacing: 1px;
}

.hub-header .tagline {
  margin: 0;
  color: var(--text-dim);
}

.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 24px 60px;
}

.game-card {
  --accent: #e8c14a;
  display: block;
  background: var(--panel);
  border: 1px solid var(--panel-light);
  border-radius: 14px;
  padding: 24px 22px;
  text-decoration: none;
  color: var(--text);
  box-shadow: 0 12px 30px rgba(0,0,0,0.3);
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  position: relative;
  overflow: hidden;
}

.game-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--accent);
}

.game-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 40px rgba(0,0,0,0.4);
  border-color: var(--accent);
}

.game-card h2 {
  margin: 6px 0 8px;
  font-size: 1.3em;
  color: var(--accent);
}

.game-card p {
  margin: 0 0 16px;
  color: var(--text-dim);
  font-size: 0.92em;
}

.game-card .play-hint {
  font-weight: 600;
  font-size: 0.9em;
  color: var(--text);
}