/* Мобильное меню: выезжает слева на 85% экрана, затемнение фона, крестик. Только < 1024px. */
.tb-menu-close,
.tb-menu-overlay { display: none; }

@media (max-width: 1023.98px) {
  html.tb-menu-open { overflow: hidden; }

  .tb-menu-overlay {
    display: block;
    position: fixed;
    inset: 0;
    z-index: 90;
    background: rgba(10, 10, 10, 0.65);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s ease, visibility .3s ease;
  }
  html.tb-menu-open .tb-menu-overlay { opacity: 1; visibility: visible; }

  header nav[data-menu] {
    display: flex !important;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    z-index: 100;
    width: 85vw;
    padding: 88px 28px 32px;
    overflow-y: auto;
    background: #464392;
    box-shadow: 8px 0 32px rgba(0, 0, 0, .3);
    transform: translateX(-100%);
    visibility: hidden;
    transition: transform .3s ease, visibility .3s ease;
  }
  html.tb-menu-open header nav[data-menu] { transform: translateX(0); visibility: visible; }

  header nav[data-menu] a {
    display: block;
    padding: 16px 0;
    font-size: 18px;
    border-bottom: 1px solid rgba(255, 255, 255, .18);
  }

  .tb-menu-close {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    border-radius: 9999px;
    color: #fff;
    background: rgba(255, 255, 255, .12);
  }
}