.igg-demo-section { max-width: 100%; margin: 30px auto 0 auto; }

  /* ===== Gallery grid ===== */
  .igg-gallery {
    width: 100%;
  }

  .igg-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px; /* zero gap, as required */
  }

  .igg-item {
    position: relative;
    aspect-ratio: 1 / 1;
    overflow: hidden;
    cursor: pointer;
  }

  .igg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.25s ease;
  }

  .igg-item:hover .igg-img {
    transform: scale(1.06);
  }

  .igg-more-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    font-weight: 700;
    letter-spacing: 0.3px;
    text-align: center;
    padding: 8px;
  }

  /* Responsive: 2 columns x 2 rows on mobile */
  @media (max-width: 600px) {
    .igg-grid {
      grid-template-columns: repeat(1, 1fr);
    }
    .igg-more-overlay {
      background-color: rgba(0, 0, 0, 0.3);
      font-size: 24px;
    }
  }

  /* ===== Lightbox ===== */
  .igg-lightbox {
    position: fixed;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
  }

  .igg-lightbox.igg-open {
    display: flex;
  }

  .igg-lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.92);
  }

  .igg-lightbox-content {
    position: relative;
    z-index: 1;
    max-width: 92vw;
    max-height: 88vh;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .igg-lightbox-img {
    max-width: 92vw;
    max-height: 88vh;
    object-fit: contain;
    display: block;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  }

  .igg-lightbox-close,
  .igg-lightbox-prev,
  .igg-lightbox-next {
    position: absolute;
    z-index: 2;
    background: rgba(255, 255, 255, 0.08);
    border: none;
    color: #fff;
    cursor: pointer;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    font-size: 30px;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease;
  }

  .igg-lightbox-close:hover,
  .igg-lightbox-prev:hover,
  .igg-lightbox-next:hover {
    background: rgba(255, 255, 255, 0.2);
  }

  .igg-lightbox-close {
    top: 18px;
    right: 18px;
  }

  .igg-lightbox-prev {
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
  }

  .igg-lightbox-next {
    right: 18px;
    top: 50%;
    transform: translateY(-50%);
  }

  .igg-lightbox-counter {
    position: absolute;
    bottom: 18px;
    left: 0;
    right: 0;
    text-align: center;
    z-index: 2;
    color: #fff;
    font-size: 0.9rem;
    opacity: 0.85;
  }

  @media (max-width: 600px) {
    .igg-lightbox-prev,
    .igg-lightbox-next,
    .igg-lightbox-close {
      width: 38px;
      height: 38px;
      font-size: 24px;
    }
  }