@media (max-width: 1024px) {
  .page-wrapper {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .header-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .hamburger {
    display: flex;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
  }

  .hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
  }

  .nav-links {
    display: none;
    flex-direction: column;
    background: #0f0f1a;
    position: absolute;
    top: 70px;
    right: 20px;
    padding: 1rem;
    border: 2px solid #0070cc;
    border-radius: 10px;
    z-index: 999;
    min-width: 150px;
  }

  .nav-links.show {
    display: flex;
  }

  .nav-links a,
  .nav-links button {
    text-align: center;
    width: 100%;
    padding: 0.6rem 1.2rem;
    border-radius: 10px;
    box-sizing: border-box;
    text-decoration: none;
  }

  .nav-links a:hover,
  .nav-links button:hover {
    background: #0070cc;
  }

  .calendar-column,
  .slots-column,
  .form-column {
    width: 100%;
    margin-bottom: 2rem;
  }
}

@media (max-width: 480px) {
  h2 {
    font-size: 1.6rem;
  }

  .form-column input,
  .form-column select,
  #datum {
    font-size: 1rem;
  }

  .slot {
    font-size: 1rem;
    padding: 0.8rem;
  }

  .submit-btn {
    font-size: 1rem;
    padding: 0.6rem;
  }

  .site-footer {
    font-size: 0.85rem;
    padding: 1rem 0.5rem;
  }
}