@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
    position: fixed;
    top: 16px;
    right: 16px;
    width: 48px;
    height: 48px;
    padding: 10px;
    z-index: 1200;
  }

  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 75%;
    max-width: 260px;
    height: 100vh;
    background: #fff;
    padding: 80px 20px;
    transition: right 0.3s ease;
    z-index: 1100;
  }

  .nav.active {
    right: 0;
  }

  .nav__list {
    flex-direction: column;
    gap: 1rem;
  }

  .header {
    position: sticky;
    top: 0;
    z-index: 1000;
  }
}