/* Placeholder para imagens */
.placeholder {
    background-color: #e0e0e0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #666;
    font-size: 14px;
    text-align: center;
    padding: 10px;
}

.hero, .product-hero, .blog-hero {
    background: linear-gradient(rgba(46, 139, 87, 0.8), rgba(70, 130, 180, 0.8));
}

.newsletter {
    background: linear-gradient(rgba(46, 139, 87, 0.9), rgba(70, 130, 180, 0.9));
}

.cta-section {
    background: linear-gradient(rgba(46, 139, 87, 0.9), rgba(70, 130, 180, 0.9));
}