body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: url('../images/Background_1280x1024.jpg') no-repeat center center fixed;
  background-size: cover;
  color: #fff;
  text-align: center;
}

header {
  background: rgba(0,0,0,0.6);
  padding: 2rem 1rem;
}

header h1 {
  margin: 0;
  font-size: 2.5rem;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 2rem auto;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
}

nav a {
  display: inline-block;
  padding: 0.75rem 1.25rem;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 8px;
  text-decoration: none;
  color: #66FF66;
  font-weight: bold;
  transition: background 0.3s;
}

nav a:hover {
  background: rgba(102, 255, 102, 0.8);
  color: #000;
}

main {
  padding: 2rem;
}

main img.featured {
  max-width: 900px;
  width: 100%;
  max-height: 80vh;
  height: auto;
  border: 3px solid #fff;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.6);
}

footer {
  background: rgba(0,0,0,0.6);
  padding: 1rem;
  margin-top: 2rem;
}