body {
  font-family: 'Segoe UI', sans-serif;
  background: linear-gradient(to bottom right, #1E90FF, #FFD700);
  color: #fff;
  margin: 0;
  padding: 0;
  animation: flicker 3s infinite;
}
header, footer {
  text-align: center;
  background-color: #0047AB;
  padding: 1em;
}
nav ul {
  display: flex;
  justify-content: center;
  gap: 2rem;
  list-style: none;
  padding: 0;
}
nav a {
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}
section {
  padding: 2em;
  background: rgba(0,0,0,0.3);
  margin: 1em;
  border-radius: 20px;
  box-shadow: 0 0 10px gold;
}
img {
  width: 150px;
  margin: 0.5em;
  border-radius: 12px;
  transition: transform 0.3s;
}
img:hover {
  transform: scale(1.2);
}
button {
  background: gold;
  border: none;
  padding: 0.5em 1em;
  border-radius: 10px;
  font-weight: bold;
  cursor: pointer;
}
@keyframes flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.9; }
}