body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: #0d1117;
  color: #fff;
}

header {
  padding: 80px 20px;
  text-align: center;
  background: linear-gradient(135deg, #00c6ff, #0072ff);
  animation: fadeIn 1.5s ease-in;
}

header h1 {
  font-size: 40px;
}

.btn {
  display: inline-block;
  margin-top: 20px;
  padding: 14px 35px;
  background: #ff9800;
  border-radius: 30px;
  text-decoration: none;
  color: white;
  font-weight: bold;
  transition: 0.3s;
}

.btn:hover {
  background: #ff5722;
  transform: scale(1.1);
}

.plans {
  padding: 50px 20px;
}

.plan-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.card {
  background: #161b22;
  padding: 25px;
  border-radius: 15px;
  transition: 0.4s;
}

.card:hover {
  transform: translateY(-10px) scale(1.05);
}

.reviews {
  padding: 40px;
}

.review {
  background: #222;
  margin: 10px;
  padding: 15px;
  border-radius: 10px;
}

footer {
  background: #000;
  text-align: center;
  padding: 20px;
}

@keyframes fadeIn {
  from {opacity: 0;}
  to {opacity: 1;}
}