a {
    color: #333;
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
    display: inline-block;
}

a:hover {
    color: #0066cc;
    text-shadow: 0 0 5px rgba(0,102,204,0.2);
}

a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background: #0066cc;
    transition: width 0.3s ease;
}