body,
html {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  font-family: Arial, sans-serif;
}

.container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background: linear-gradient(45deg, #ff6b6b, #f06595, #6a4c93);
  background-size: 400% 400%;
  animation: gradientAnimation 15s ease infinite;
}

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

.welcome-message {
  color: white;
  font-size: 3em;
  opacity: 0;
  transform-origin: center;
  animation: fadeIn 1.5s ease forwards;
  transition: font-size 0.3s ease;
  cursor: default;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.welcome-message:hover {
  font-size: 3.3em;
}

.powered-by {
  text-align: center;
  position: absolute;
  bottom: 5rem;
  color: #444;
  opacity: 0;
  transform: translateY(20px);
  animation: slideUp 1.5s ease forwards;
  animation-delay: 0.5s;
}

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

.logo {
  width: 5rem;
  vertical-align: middle;
  margin-right: 10px;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.1) rotate(5deg);
}