body {
  font-family: "Poppins", sans-serif;
  margin: 0;
  background: radial-gradient(circle at top left, #ff00ff, #000000 60%),
    radial-gradient(circle at bottom right, #00ffff, #111111 70%);
  background-blend-mode: screen;
  animation: gradientShift 20s ease infinite;
  color: #fff;
  text-align: center;
  min-height: 100vh;
}

/* Optional: add a subtle animated gradient effect */
@keyframes gradientShift {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

header {
  padding: 30px 20px;
}
.logo {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
}
.logo img {
  width: 70px;
  height: 70px;
}
.logo h1 {
  font-size: 2rem;
  margin: 0;
  color: #ffd700;
}
.logo h2 {
  font-size: 1.2rem;
  margin: 5px 0 0;
  font-weight: 600;
  color: #f0f0f0;
}
.headline {
  font-size: 1.3rem;
  margin: 20px 0;
  color: #e5e5e5;
}
.btn-android {
  background: #28a745;
  color: #fff;
  padding: 14px 30px;
  border-radius: 10px;
  font-weight: bold;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1rem;
  transition: background 0.3s ease;
}
.btn-android:hover {
  background: #218838;
}
.mockup-container {
  margin: 40px 0;
}
.mockup-container img {
  width: 280px;
  border-radius: 20px;
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.6);
}
.countdown {
  font-size: 1.2rem;
  margin-top: 20px;
  color: #ffd700;
  font-weight: bold;
}
footer {
  margin-top: 40px;
  font-size: 0.9rem;
  color: #aaa;
  padding-bottom: 20px;
}