 all 0.3s ease;
        box-shadow: 0 4px 20px rgba(0,0,0,0.08);
        border: 1px solid transparent;
        position: relative;
        overflow: hidden;
    }
    
    .tool-item::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: linear-gradient(90deg, #667eea, #764ba2);
        transform: scaleX(0);
        transition: transform 0.3s ease;
    }
    
    .tool-item:hover {
        transform: translateY(