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

body {
  min-height: 100vh;
  background: #080808;
  color: white;
  font-family: Arial, sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.container {
  width: 100%;
  max-width: 420px;
  text-align: center;
  animation: aparecer 0.8s ease;
}

.banner {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
  margin-bottom: 30px;
  animation: flutuar 3s ease-in-out infinite;
}

.buttons {
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.btn {
  display: block;
  width: 100%;
  padding: 16px;
  border: 1px solid #292929;
  border-radius: 12px;
  background: #141414;
  color: #fff;
  text-decoration: none;
  font-size: 15px;
  font-weight: bold;
  cursor: pointer;
  transition: 0.25s;
}

.btn:hover {
  background: #202020;
  border-color: #244c78;
  transform: translateY(-3px);
  box-shadow: 0 5px 20px #0008;
}

.btn:active {
  transform: scale(0.97);
}

#message {
  margin-top: 18px;
  font-size: 13px;
  color: #8badd0;
}

@keyframes aparecer {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes flutuar {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

@media (max-width: 480px) {
  .container {
    max-width: 340px;
  }

  .btn {
    padding: 14px;
  }
}