body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: #f8f9fa;
  color: #333;
  text-align: center;
}

.header {
  background: linear-gradient(to right, #00aaff, #0077cc);
  color: white;
  padding: 4rem 2rem;
  animation: fadeIn 2s ease-in-out;
}

.logo {
  width: 300px;
  margin-bottom: 0.5rem;
}

.subheadline {
  font-size: 1.5rem;
  margin-top: 0.5rem;
}

.tagline {
  font-style: italic;
  margin: 1rem 0;
}

.cta-button {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.8rem 1.5rem;
  background-color: white;
  color: #0077cc;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s;
}

.cta-button:hover {
  background: #e0f7ff;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  padding: 4rem 2rem;
  background: white;
}

.feature h2 {
  color: #0077cc;
}

.buy {
  background: #0077cc;
  color: white;
  padding: 4rem 2rem;
}

.buy-button {
  background: white;
  color: #0077cc;
  padding: 0.8rem 1.5rem;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
}

.buy-button:hover {
  background: #e0f7ff;
}

.footer {
  padding: 2rem;
  background: #002244;
  color: white;
  font-size: 0.9rem;
}

.footer a {
  color: #00aaff;
  text-decoration: none;
}

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