* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  min-height: 100vh;
  background: #0a0a1a;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #fff;
  overflow-x: hidden;
}

.stars {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0;
}

.star {
  position: absolute; background: #fff; border-radius: 50%;
  animation: twinkle var(--dur) ease-in-out infinite;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 1; }
}

header {
  position: relative; z-index: 1;
  text-align: center; padding: 50px 20px 30px;
}

header h1 {
  font-size: 56px; font-weight: 900;
  background: linear-gradient(135deg, #ff6b6b, #ffd93d, #6bcb77, #4d96ff, #ff6b6b);
  background-size: 300% 300%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShift 4s ease infinite;
  letter-spacing: 2px;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

header p {
  font-size: 18px; color: #888; margin-top: 10px;
}

.games-grid {
  position: relative; z-index: 1;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 30px auto;
  padding: 0 30px 60px;
}

.game-card {
  background: linear-gradient(145deg, #1a1a2e, #16213e);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s;
  cursor: pointer;
  text-decoration: none;
  color: #fff;
  border: 1px solid #ffffff10;
}

.game-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.card-banner {
  height: 160px;
  display: flex; align-items: center; justify-content: center;
  font-size: 64px;
  position: relative;
  overflow: hidden;
}

.card-banner::after {
  content: '';
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 40px;
  background: linear-gradient(transparent, #1a1a2e);
}

.card-body {
  padding: 20px;
}

.card-body h2 {
  font-size: 22px; font-weight: 700;
  margin-bottom: 8px;
}

.card-body p {
  font-size: 14px; color: #999; line-height: 1.5;
}

.card-tag {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  margin-top: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Individual card themes */
.card-school .card-banner { background: linear-gradient(135deg, #1a1a2e, #4a1a1a); }
.card-school .card-tag { background: #ff333344; color: #ff6666; }

.card-ninja .card-banner { background: linear-gradient(135deg, #1a1a2e, #1a1a3e); }
.card-ninja .card-tag { background: #4d96ff44; color: #4d96ff; }

.card-galaxy .card-banner { background: linear-gradient(135deg, #0a0a2a, #2a1a3e); }
.card-galaxy .card-tag { background: #a855f744; color: #a855f7; }

.card-towers .card-banner { background: linear-gradient(135deg, #1a1a2e, #2e2a1a); }
.card-towers .card-tag { background: #ffd93d44; color: #ffd93d; }

.card-earth .card-banner { background: linear-gradient(135deg, #1a1a2e, #1a2e2e); }
.card-earth .card-tag { background: #2dd4bf44; color: #2dd4bf; }

.card-warriors .card-banner { background: linear-gradient(135deg, #1a1a2e, #2e1a1a); }
.card-warriors .card-tag { background: #f9731644; color: #f97316; }

.card-blockcraft .card-banner { background: linear-gradient(135deg, #1a2e1a, #2a1a0a); }
.card-blockcraft .card-tag { background: #4ade8044; color: #4ade80; }

footer {
  position: relative; z-index: 1;
  text-align: center; padding: 30px;
  color: #444; font-size: 13px;
}