/* Page base */
body {
  margin: 0;
  font-family: Arial, sans-serif;
  min-height: 100vh;
  background: linear-gradient(135deg, #1e1e2f, #2b2b45);
  color: white;
}

/* Content */
.content {
  text-align: center;
  padding-top: 120px;
}

/* DEMO BUTTON */
.demo-button {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;

  display: inline-flex;
  align-items: center;
  justify-content: center;

  background: linear-gradient(135deg, #00ffcc, #00aaff);
  color: #000;
  text-decoration: none;

  font-size: 20px;
  font-weight: 900;
  letter-spacing: 1px;

  padding: 16px 28px;
  border-radius: 14px;

  border: 3px solid #ffffff;
  cursor: pointer;

  box-shadow:
    0 6px 0 #0077cc,
    0 14px 30px rgba(0, 0, 0, 0.45);

  animation: pulse 1.8s infinite;
  transition: all 0.15s ease-in-out;
}

/* Hover */
.demo-button:hover {
  transform: scale(1.08) translateY(-2px);
  box-shadow:
    0 8px 0 #005fa3,
    0 20px 40px rgba(0, 0, 0, 0.6);
}

/* Click */
.demo-button:active {
  transform: translateY(4px);
  box-shadow:
    0 2px 0 #005fa3,
    0 6px 15px rgba(0, 0, 0, 0.5);
}

/* Pulse animation */
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(0,255,204,0.7); }
  70% { box-shadow: 0 0 0 18px rgba(0,255,204,0); }
  100% { box-shadow: 0 0 0 0 rgba(0,255,204,0); }
}

/* Demo page layout */
.demo-container {
  max-width: 1000px;
  margin: auto;
  padding: 100px 20px;
  text-align: center;
}

.demo-container h1 {
  font-size: 42px;
  margin-bottom: 10px;
}

.subtitle {
  font-size: 18px;
  opacity: 0.85;
  margin-bottom: 40px;
}

/* Game grid */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

/* Game card */
.game-card {
  background: linear-gradient(135deg, #ffffff, #f1f1f1);
  color: #000;
  padding: 30px 20px;
  border-radius: 18px;

  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.game-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 40px rgba(0,0,0,0.45);
}

.game-card h2 {
  margin-bottom: 10px;
}

/* Play button */
.play-button {
  display: inline-block;
  margin-top: 20px;
  padding: 12px 22px;

  background: linear-gradient(135deg, #00ffcc, #00aaff);
  color: #000;
  font-weight: bold;
  text-decoration: none;

  border-radius: 30px;
  border: 2px solid #000;
}

.play-button:hover {
  transform: scale(1.05);
}

/* Coming soon style */
.coming-soon {
  opacity: 0.6;
  border: 2px dashed #aaa;
}