/* ── Back Button ── */
  .back-button {
    position: fixed;
    top: 18px;
    left: 22px;
    z-index: 9999;
    display: inline-flex;
    align-items: center;
    gap: 7px;
    text-decoration: none;
    font-family: Advent Pro, sans-serif;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: #222;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
  }

  .back-button .arrow {
    font-size: 20px;
    color: #222;
    font-weight: 700;
    line-height: 1;
  }

  .back-button .label {
    position: relative;
    padding-bottom: 4px;
  }

  /* Yellow underline */
  .back-button .label::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 3px;
    background-color: #F5C400;
  }

  .back-button:hover .label,
  .back-button:hover .arrow {
    color: #555;
  }