body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #0d0d0d;
  color: white;
  animation: fadeIn 1s ease-in;
}

header {
  padding: 20px;
  background: linear-gradient(to right, #00bfff, #1a1aff);
  font-size: 32px;
  font-weight: bold;
  text-align: center;
  color: white;
  letter-spacing: 1px;
}

nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 15px;
  background: #121212;
  padding: 15px;
  animation: slideDown 1s ease-in-out;
}

nav a {
  color: #00bfff;
  text-decoration: none;
  font-weight: bold;
  transition: 0.3s ease;
}

nav a:hover {
  color: #1a75ff;
  text-shadow: 0 0 5px #00bfff;
}

main {
  max-width: 800px;
  margin: 40px auto;
  padding: 0 20px;
  animation: fadeInUp 0.8s ease-out;
}

h2 {
  color: #00bfff;
  margin-bottom: 15px;
}

footer {
  margin-top: 50px;
  text-align: center;
  padding: 20px;
  font-size: 14px;
  color: #999;
  border-top: 1px solid #222;
}

@keyframes fadeIn {
  from {opacity: 0;}
  to {opacity: 1;}
}

@keyframes slideDown {
  from {transform: translateY(-30px); opacity: 0;}
  to {transform: translateY(0); opacity: 1;}
}

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