/* nav.css */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", sans-serif;
  background: linear-gradient(135deg, #2c3e50, #3498db);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  text-align: center;
}
.container {
  width: 100%;
  max-width: 600px;
  padding: 2rem;
  background: rgba(0, 0, 0, 0.4);
  border-radius: 8px;
}
h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}
p {
  margin-bottom: 1.5rem;
  color: #d0e6fb;
}
nav ul {
  list-style: none;
}
nav li {
  margin-bottom: 1rem;
}
nav a {
  display: block;
  padding: 0.75rem 1.25rem;
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  text-decoration: none;
  font-weight: 600;
  border-radius: 8px;
  transition: background 0.2s, transform 0.2s;
}
nav a:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}
footer {
  margin-top: 2rem;
  font-size: 0.85rem;
  opacity: 0.7;
}
@media (max-width: 480px) {
  .container {
    padding: 1rem;
  }
  h1 {
    font-size: 1.5rem;
  }
  nav a {
    font-size: 0.95rem;
  }
}