.client-logos {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
  }

  .client-logo {
    width: 10rem;
    align-items: center;
    padding: 1rem;
  }

  .clients{
    padding: 2rem;
  }

  .portfolio-header {
    height: 40vh;
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url("../images/portfolio-hero.jpg");
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    margin-top: 80px;
  }
  
  .portfolio-header-content {
    max-width: 800px;
    padding: 0 1rem;
  }
  
  .portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
  }
  
  .portfolio-filter {
    padding: 0.5rem 1.5rem;
    background-color: var(--gray-color);
    border: none;
    border-radius: var(--radius);
    color: var(--light-color);
    cursor: pointer;
    transition: var(--transition);
  }
  
  .portfolio-filter:hover,
  .portfolio-filter.active {
    background-color: var(--primary-color);
  }
  
  .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
  }
  
  .portfolio-item {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    height: 300px;
  }
  
  .portfolio-image {
    width: 100%;
    height: 100%;
  }
  
  .portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
  }
  
  .portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(5, 5, 5, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
  }
  
  .portfolio-item:hover .portfolio-image img {
    transform: scale(1.1);
  }
  
  .portfolio-item:hover .portfolio-overlay {
    opacity: 1;
  }
  
  .portfolio-overlay-content {
    text-align: center;
    padding: 1rem;
  }
  
  .portfolio-overlay-content h3 {
    margin-bottom: 0.5rem;
  }
  
  .portfolio-overlay-content p {
    color: var(--muted-color);
    margin-bottom: 1.5rem;
  }
  
  .portfolio-case-study {
    padding: 5rem 0;
  }