@media (max-width: 768px) {
  .layer1,
  .layer3,
  .layer2 h1 {
    display: none;
  }

  .layer2 {
    width: 90%;
  }

  .mobile-sidebar {
    position: fixed;
    top: 0;
    right: -80%;
    width: 80%;
    height: 100%;
    background: #fff;
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.2);
    transition: right 0.4s cubic-bezier(0.77, 0, 0.175, 1);
    z-index: 1001;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
  }

  .mobile-sidebar.active {
    right: 0;
  }

  .sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease;
    z-index: 1000;
  }

  .sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
  }

  .sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid #f2f2f2;
  }

  .sidebar-header h2 {
    font-weight: 800;
    font-size: 28px;
  }

  .sidebar-content {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .sidebar-section {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    flex-direction: column;
  }

  .sidebar-section h3 {
    font-weight: 700;
    font-size: 24px;
    margin-bottom: 10px;
  }

  .sidebar-section a {
    border-bottom: 1px solid #f2f2f2;
    font-weight: 500;
    font-size: 18px;
    color: #000;
    transition: color 0.3s;
    margin-bottom: 8px;
  }

  .sidebar-section a:hover {
    color: #4400ff;
  }

  .mobile-menu-icon {
    border-bottom: 1px solid #f2f2f2;
    width: 90%;
    padding: 15px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
  }

  .mobile-menu-icon h1 {
    font-weight: 800;
    font-size: 26px;
  }

  .mobile-menu-icon i {
    cursor: pointer;
  }

  .main-content {
    flex-direction: column;
    width: 90%;
  }

  .advertise-title,
  .advertise-plans {
    width: 90%;
  }

  .advertise-plans {
    flex-direction: column;
  }

  .advertise-plan {
    gap: 20px;
  }

  .websites-title {
    width: 90%;
  }

  .news-agencies {
    width: 90%;
  }

  .news-agencies li {
    width: calc((100% - 1 * 20px) / 2);
  }

  .column-left {
    position: relative;
    top: auto;
    width: 100%;
  }

  .footer-container {
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 30px;
    text-align: center;
  }

  .footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }

  .footer-col h3 {
    margin-bottom: 10px;
  }

  .today-summary {
    width: 90%;
  }

  .search-box {
    width: 90%;
  }
}