@font-face {
  font-family: 'Orbitron';
  src: url('fonts/Orbitron-Regular.woff2') format('woff2'),
       url('fonts/Orbitron-Regular.woff') format('woff');
  font-weight: normal;
  font-style: normal;
}

body {
  margin: 0;
  padding: 0;
  background: radial-gradient(ellipse at center, #0000AA 0%, #000000 100%);
  color: white;
  font-family: 'Orbitron', sans-serif;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.intro-container {
  text-align: center;
  animation: fadeIn 3s ease-in-out;
  max-width: 90%;
  padding: 20px;
}

.logo {
  max-width: 100%;
  height: auto;
  opacity: 0;
  animation: fadeIn 2s ease-out forwards;
  animation-delay: 0.5s;
  margin-bottom: 20px;
}

.slogan {
  font-style: italic;
  color: #ccccff;
  text-shadow: 0 0 10px #4444ff;
}

.fade-in {
  opacity: 0;
  transform: translateY(50px);
  animation: fadeIn 2.5s ease-out forwards;
  animation-delay: 2s;
}

.enter-button {
  margin-top: 30px;
  padding: 10px 20px;
  background: linear-gradient(to right, #00ffff, #0066cc);
  color: black;
  font-weight: bold;
  border: none;
  border-radius: 5px;
  text-decoration: none;
  box-shadow: 0 0 10px #00ffff;
  animation: fadeIn 2s ease-out forwards;
  animation-delay: 4s;
  transition: transform 0.3s;
}
.enter-button:hover {
  transform: scale(1.05);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(50px); }
  to { opacity: 1; transform: translateY(0); }
}