body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(to bottom right, #111, #222);
  color: #fff;
  margin: 0;
  padding: 0;
  text-align: center;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 20px;
}

header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
  color: gold;
  letter-spacing: 1px;
}

main h2 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

main p {
  font-size: 1rem;
  margin-bottom: 30px;
  color: #ccc;
}

button#install-btn {
  background: linear-gradient(45deg, gold, orange);
  color: #000;
  padding: 15px 30px;
  font-size: 1rem;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  box-shadow: 0 0 15px rgba(255, 215, 0, 0.6);
  transition: all 0.3s ease;
  animation: glow 2s infinite;
}

button#install-btn:hover {
  transform: scale(1.05);
}

@keyframes glow {
  0% {
    box-shadow: 0 0 10px gold;
  }
  50% {
    box-shadow: 0 0 20px orange;
  }
  100% {
    box-shadow: 0 0 10px gold;
  }
}

.terms {
  font-size: 0.85rem;
  color: #888;
  margin-top: 20px;
}

.terms a {
  color: gold;
  text-decoration: none;
}

.terms a:hover {
  text-decoration: underline;
}