.property-img {
    position: relative;
    overflow: hidden;
}

/* Imagen en blanco y negro */
.property-sold img {
    filter: grayscale(100%);
    opacity: 0.8;
}

/* Etiqueta roja encima */
.sold-overlay {
    position: absolute;
    top: 15px;
    left: 15px;
    background: #e53935;
    color: white;
    padding: 8px 16px;
    font-weight: 700;
    border-radius: 8px;
    font-size: 14px;
    letter-spacing: 1px;
    z-index: 10;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}