body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0b0f1a;
  color: white;
}

nav {
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(10px);
}

nav a {
  color: white;
  text-decoration: none;
  margin-left: 20px;
  opacity: 0.8;
}

nav a:hover {
  opacity: 1;
  color: #00e5ff;
}

.container {
  padding: 80px 40px;
  text-align: center;
}

h1 {
  font-size: 56px;
  color: #00e5ff;
  text-shadow: 0 0 20px #00e5ff;
}

.card {
  background: rgba(255,255,255,0.06);
  padding: 20px;
  margin: 10px;
  border-radius: 12px;
  display: inline-block;
  width: 200px;
  transition: 0.3s;
}

.card:hover {
  transform: translateY(-8px);
  background: rgba(0,229,255,0.15);
}

.footer {
  text-align: center;
  padding: 40px;
  opacity: 0.5;
  font-size: 12px;
}