body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0d0d0d;
  color: white;
  text-align: center;
}

#particles-js {
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: -1;
}

header {
  padding: 30px;
}

header h1 {
  font-size: 3rem;
  color: #00ff88;
  text-shadow: 0 0 10px #00ff88;
}

.subtitle {
  color: #aaa;
}

.products {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  padding: 30px;
}

.product-card {
  background: rgba(20,20,20,0.9);
  border: 1px solid #00ff88;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 0 20px #00ff88;
}

.product-card video {
  width: 100%;
  border-radius: 10px;
}

button {
  background: #00ff88;
  color: black;
  font-weight: bold;
  padding: 10px 20px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
}

button:hover {
  background: #00cc66;
}

footer {
  margin-top: 30px;
  font-size: 0.9rem;
  color: #ccc;
}

.page-content {
  max-width: 800px;
  margin: 50px auto;
  text-align: left;
}

.back-btn {
  display: inline-block;
  margin-top: 20px;
  color: #00ff88;
  text-decoration: none;
}