.hero-bg {
      background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('https://lh3.googleusercontent.com/p/AF1QipMhS39Isv6Yd9AO97IkkVspT5Ednjj0IxERneJV=s680-w680-h510-rw');
      background-size: cover;
      background-position: center;
    }
    .service-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }
    .client-logo {
      filter: grayscale(100%);
      opacity: 0.7;
      transition: all 0.3s ease;
    }
    .client-logo:hover {
      filter: grayscale(0);
      opacity: 1;
    }
    .nav-links {
      transition: all 0.3s ease;
    }