.guia-empresas-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.empresa-card {
    border: 1px solid #ddd;
    padding: 15px;
    text-align: center;
    background: #fff;
    box-shadow: 0 0 5px rgba(0,0,0,0.05);
    border-radius: 6px;
}

.empresa-thumb {
    width: 100%;
    padding-top: 100%; /* 1:1 aspect ratio */
    position: relative;
    overflow: hidden;
    border-radius: 6px;
    margin-bottom: 10px;
}

.empresa-thumb img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
    left: 0;
    top: 0;
}

.empresa-card h3 {
    font-size: 1.1em;
    margin: 10px 0 5px;
}

.empresa-categorias {
    font-size: 0.9em;
    color: #555;
}
