/* Portfolio masonry layout */
.portfolio-box {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    gap: 3%;
    justify-content: center;
  }
  
  .portfolio-box .portfolio-item {
    width: 40%;
    margin-bottom: 3%;
    position: relative;
    transition: all 0.3s ease;
  }
  
  .portfolio-box .portfolio-item img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
  }
  
  @media only screen and (max-width: 767px) {
    .portfolio-box {
      gap: 20px;
    }
    .portfolio-box .portfolio-item {
      width: 100%;
      margin-bottom: 20px;
    }
  }
  
  /* Portfolio filter buttons */
  .portfolio-filter-buttons {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    padding: 5px;
  }
  
  .portfolio-filter-btn {
    background: transparent;
    border: none;
    color: #fff;
    padding: 10px 20px;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    z-index: 2;
  }
  
  .portfolio-filter-btn.active {
    color: #000;
    background: #9b5cff;
  }