.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.tool-card {
    border: 1px solid #ddd;
    padding: 16px;
    border-radius: 10px;
    background: #fff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
    transition: transform 0.2s ease;
}

.tool-card:hover {
    transform: translateY(-3px);
}

.tool-card h3 {
    margin-top: 0;
}

.tool-card .button {
    display: inline-block;
    margin-top: 12px;
    padding: 6px 14px;
    background: #0073aa;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
}