.hub-sub {
    font-size: 0.875rem;
    color: #999;
    margin-bottom: 2.5rem;
}
.tools-section { margin-bottom: 2rem; }
.tools-section h2 {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: #bbb;
    margin-bottom: 0.75rem;
}
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 0.75rem;
}
.tool-card {
    display: block;
    background: #fff;
    border: 1.5px solid #eee;
    border-radius: 10px;
    padding: 1rem 1.25rem;
    text-decoration: none;
    transition: border-color 0.15s, box-shadow 0.15s;
}
.tool-card:hover {
    border-color: #ccc;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}
.tool-card-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: #1a1a1a;
    margin-bottom: 0.3rem;
}
.tool-card-desc {
    font-size: 0.8rem;
    color: #888;
    line-height: 1.5;
}