@media (max-width: 800px) {
  .app { grid-template-columns: 1fr; }

  .nav-toggle .fa-xmark { display: none; }
  .nav-toggle.is-open .fa-bars { display: none; }
  .nav-toggle.is-open .fa-xmark { display: block; }

  .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 200;
    width: 36px;
    height: 36px;
    background: var(--bg);
    border: 1px solid var(--rule-strong);
    color: var(--ink-dim);
    font-size: 14px;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
  }
  .nav-toggle:hover {
    color: var(--ink-dim);
    border-color: var(--rule-strong);
  }
  .nav-toggle:focus,
  .nav-toggle:active,
  .nav-toggle:focus-visible,
  .nav-toggle:focus-within {
    background: var(--bg);
    color: var(--ink-dim);
    outline: none;
    box-shadow: none;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: 100vw;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.25s ease;
    border-right: none;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 100px 0 0 0;
  }

  .sidebar.is-open {
    transform: translateX(0);
  }

  .sidebar .brand {
    position: absolute;
    top: 28px;
    left: 0;
    right: 0;
    text-align: center;
    border-bottom: none;
    padding-bottom: 0;
    width: 100%;
  }
  .sidebar .brand .sur,
  .sidebar .brand .given {
    display: inline;
    text-align: center;
    color: var(--ink);
    font-weight: 600;
  }

  .sidebar .nav {
    align-items: center;
  }

  .sidebar .nav a {
    display: inline-block;
    border-left: none;
    padding-left: 10px;
    padding-right: 10px;
    margin-left: 0;
    margin-right: 0;
    font-size: 18px;
    justify-content: center;
  }

  .sidebar .nav a.active {
    border-left: none;
    background: none;
  }

  .sidebar .sidebar-meta {
    position: absolute;
    bottom: 32px;
    left: 0;
    right: 0;
    align-items: center;
    border-top: none;
    padding-top: 0;
  }

  .sidebar .socials {
    justify-content: center;
  }

  .main {
    padding-top: 72px;
  }

  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .contact-photo-wrap { order: 1; }
  .contact-simple { order: 0; max-width: 100%; }

  .bio-grid { grid-template-columns: 1fr; }
  .disc-grid, .store-grid { grid-template-columns: repeat(2, 1fr); }
  .lessons-tiers { grid-template-columns: 1fr; }
  .lessons-masterclass { grid-template-columns: 1fr; }
  .live-row, a.live-row {
    grid-template-columns: 70px 1fr auto;
    grid-template-rows: auto auto;
    gap: 4px 10px;
  }
  .live-row .date { grid-column: 1; grid-row: 1 / 3; align-self: center; }
  .live-row .venue { grid-column: 2; grid-row: 1; }
  .live-row .city { grid-column: 2; grid-row: 2; display: block; }
  .live-row .status { display: none; }
  .live-row .ticket { grid-column: 3; grid-row: 1 / 3; align-self: center; padding: 7px 10px; font-size: 9px; }
}