/* ─── Catalogue thumbnail frame: match primary-work size ─── */
      .grid-item__frame {
        position: relative;
        display: block;
        width: 100%;
        max-width: min(100%, 340px);
        margin: 0 auto;
        padding: 0;
        flex-shrink: 0;
        min-height: 0;
      }

      @media (min-width: 900px) {
        .grid-item__frame {
          max-width: min(360px, 30vw);
        }
      }