@media (max-width: 960px) {
  .nav {
    display: none;
  }

  .mobile-menu {
    display: inline-flex;
  }

  .feature-grid,
  .adv-grid,
  .metric-grid,
  .grid-3,
  .editor-grid {
    grid-template-columns: 1fr;
  }

  .works-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .workspace,
  .admin {
    grid-template-columns: 1fr;
    height: auto;
  }

  .workspace-side,
  .admin-side {
    position: static;
  }

  .admin-nav {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .topbar-inner {
    padding: 0 12px;
  }

  .actions .btn-soft,
  .actions .btn-ghost {
    display: none;
  }

  .hero {
    min-height: 620px;
    padding-top: 46px;
    background-position: 60% center;
  }

  .section {
    padding: 48px 14px;
  }

  .section-title {
    font-size: 28px;
  }

  .core-content {
    padding: 26px;
  }

  .core-course::before {
    background: linear-gradient(90deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.78));
  }

  .course-admin-card {
    grid-template-columns: 1fr;
  }

  .course-admin-card img {
    width: 100%;
    height: 160px;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }

  .footer-inner,
  .workspace-head,
  .admin-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .composer-inner {
    grid-template-columns: 1fr;
  }
}