@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;600&display=swap');

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Poppins', sans-serif;
  height: 100vh;
  background: radial-gradient(circle at top left, #ff1e1e, #111 60%);
  background-size: 200% 200%;
  animation: bgShift 12s ease infinite;
  color: #f4f4f4;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

@keyframes bgShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.container {
  width: 100%;
  display: flex;
  justify-content: center;
  padding: 20px;
}

.glass-card {
  background: rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 0, 0, 0.3);
  backdrop-filter: blur(12px);
  border-radius: 20px;
  padding: 50px;
  box-shadow: 0 10px 40px rgba(255, 0, 0, 0.25);
  text-align: center;
  max-width: 500px;
  width: 100%;
  transform: translateY(20px);
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.logo {
  width: 80px;
  margin-bottom: 15px;
}

h1 {
  font-size: 2.6rem;
  margin-bottom: 20px;
  background: linear-gradient(90deg, #ff3333, #ff1e1e, #a60000);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: #d6d6d6;
}

.download-button {
  background: linear-gradient(135deg, #ff1e1e, #a60000);
  color: #fff;
  border: none;
  padding: 16px 36px;
  font-size: 1.2rem;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(255, 0, 0, 0.4);
  transition: transform 0.2s ease, box-shadow 0.3s ease, background 0.3s ease;
  position: relative;
  overflow: hidden;
}

.download-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 0, 0, 0.6);
  background: linear-gradient(135deg, #ff4d4d, #cc0000);
}

.download-button:active {
  transform: scale(0.96);
}

.open-message {
  margin-top: 25px;
  font-size: 1rem;
  color: #bbb;
  display: none;
}

.extra-info {
  margin-top: 20px;
  font-size: 0.95rem;
  color: #999;
}

.extra-info strong {
  color: #ff4d4d;
}

footer {
  position: fixed;        
  bottom: 15px;          
  left: 50%;           
  transform: translateX(-50%);
  text-align: center;
  color: #666;
  font-size: 0.9rem;
  letter-spacing: 0.3px;
  width: max-content;    
}