body {
        box-sizing: border-box;
      }

      .gradient-bg {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
      }

      .fade-in {
        animation: fadeIn 0.8s ease-in;
      }

      @keyframes fadeIn {
        from {
          opacity: 0;
          transform: translateY(20px);
        }
        to {
          opacity: 1;
          transform: translateY(0);
        }
      }

      .hover-scale {
        transition: transform 0.3s ease;
      }

      .hover-scale:hover {
        transform: scale(1.05);
      }