:root {
  --primary: #1a1a1a;
  --secondary: #333333;
  --accent: #ff4500;
  --light: #ffffff;
  --text: #4a4a4a;
}
body { font-family: 'Inter', sans-serif; color: var(--text); }
#menu-toggle-3 { display: none; }
.btn-menu { display: none; cursor: pointer; font-size: 2rem; }
@media (max-width: 768px) {
  .btn-menu { display: block; }
  .nav-box { display: none; width: 100%; position: absolute; top: 70px; left: 0; background: white; flex-direction: column; }
  #menu-toggle-3:checked ~ .nav-box { display: flex; }
}
.highlight-plan { border: 2px solid var(--accent); position: relative; }