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

body {
  font-family: 'Orbitron', sans-serif;
  background: linear-gradient(120deg,#0f0c29,#302b63,#24243e);
  color: #fff;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.overlay {
  position: fixed; top:0; left:0; width:100%; height:100%;
  background: url('../img/cybergrid.png') repeat;
  opacity:0.1;
  z-index:-1;
}

header { 
  text-align:center; 
  padding: 2rem 0;
}

header h1 {
  color: #ff00ff;
  text-shadow: 0 0 5px #ff00ff, 0 0 10px #00ffff;
}

nav a {
  text-decoration: none;
  color: #00ffff;
  margin: 0 1rem;
  font-weight: bold;
  transition: 0.3s;
}

nav a:hover {
  color: #ff00ff;
  text-shadow: 0 0 5px #ff00ff, 0 0 10px #00ffff;
}

.cards {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 3rem;
  gap: 2rem;
}

.card {
  background: rgba(255,255,255,0.05);
  border: 2px solid #ff00ff;
  padding: 2rem;
  width: 180px;
  text-align: center;
  border-radius: 15px;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: scale(1.1);
  box-shadow: 0 0 15px #ff00ff, 0 0 30px #00ffff;
}

footer {
  margin-top: auto;
  padding: 1rem;
  font-size: 0.8rem;
  color: #888;
}