/* ==========================================================================
   RESPONSIVE
   ========================================================================== */

@media (max-width: 1000px) {
  .project-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: var(--space-xl); }
}

@media (max-width: 860px) {
  .shell { display: block; }

  .topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 40;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid var(--line-strong);
  }
  .topbar__brand {
    display: flex;
    align-items: center;
    gap: 0.6em;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--sidebar-text);
  }
  .topbar__brand .avatar { width: 30px; height: 30px; font-size: 0.9rem; margin: 0; }
  .topbar__menu-btn {
    color: var(--sidebar-text);
    padding: 0.4em;
  }
  .topbar__menu-btn svg { width: 22px; height: 22px; }

  .sidebar {
    position: fixed;
    inset: 0 20% 0 0;
    width: auto;
    z-index: 50;
    transform: translateX(-105%);
    transition: transform var(--dur) var(--ease);
    overflow-y: auto;
  }
  html[data-sidebar-open="true"] .sidebar {
    transform: translateX(0);
  }

  .sidebar-scrim {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(13, 16, 20, 0.5);
    z-index: 45;
  }
  html[data-sidebar-open="true"] .sidebar-scrim { display: block; }

  .content {
    padding: var(--space-xl) var(--space-md);
  }

  .stat-row { grid-template-columns: 1fr; }
  .stat { border-right: none; border-bottom: 1px solid var(--line); }
  .stat:last-child { border-bottom: none; }

  .blog-entry, .exp-item {
    grid-template-columns: 1fr;
    gap: 0.3em;
  }

  .home-hero h1 { font-size: var(--step-3); }
}