* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Orbitron', sans-serif;
}
body {
  background: linear-gradient(135deg, #0f172a, #0ea5e9);
  color: white;
  min-height: 100vh;
  overflow-x: hidden;
  animation: bgAnim 20s infinite alternate;
}
@keyframes bgAnim {
  0% { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}
header {
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: rgba(0,0,0,0.4);
  box-shadow: 0 0 20px cyan;
}
header h1 {
  font-size: 2rem;
  color: cyan;
  animation: glow 2s infinite alternate;
}
@keyframes glow {
  from { text-shadow: 0 0 5px cyan; }
  to { text-shadow: 0 0 20px cyan; }
}
nav a {
  margin-left: 2rem;
  color: white;
  text-decoration: none;
  transition: color 0.3s;
}
nav a:hover {
  color: cyan;
}
.hero, .store {
  padding: 4rem 2rem;
  text-align: center;
}
.hero h2, .store h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
}
.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
}
.btn {
  padding: 0.8rem 2rem;
  background: cyan;
  color: black;
  font-weight: bold;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: 0.3s;
}
.btn:hover {
  background: #67e8f9;
}
.copy-box {
  margin: 1rem auto;
  padding: 1rem;
  background: rgba(0,0,0,0.3);
  border: 1px solid cyan;
  border-radius: 12px;
  width: fit-content;
  cursor: pointer;
  transition: background 0.3s;
}
.copy-box:hover {
  background: rgba(0,0,0,0.6);
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}
.card {
  padding: 2rem;
  background: rgba(0,0,0,0.3);
  border: 1px solid cyan;
  border-radius: 12px;
  font-size: 1.2rem;
  transition: 0.3s;
}
.card:hover {
  background: rgba(0,0,0,0.5);
  transform: scale(1.05);
}