.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.product-card {
    background-color: white;
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    text-align: left;
}

.product-card h3 {
    color: #000000;
    margin-top: 0;
    text-align: center;
}

.product-card h4 {
    color: #333;
    margin-top: 15px;
}

.product-icon {
    text-align: center;
    font-size: 48px;
    margin-bottom: 15px;
}

/* Botões do card (catálogo / galeria) */
.product-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 15px;
}

.btn-download {
    background-color: #ffc107;
    color: #000;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    display: inline-block;
}

.btn-download:hover {
    background-color: #e0a800;
}

.btn-gallery {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    display: inline-block;
    transition: background-color 0.3s;
}

.btn-gallery:hover {
    background-color: #0056b3;
}

/* Cards de materiais */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
    margin-top: 20px;
}

.material-card {
    background-color: #f8f9fa;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 15px;
    text-align: center;
}

.material-card h5 {
    color: #000000;
    margin-top: 0;
    margin-bottom: 10px;
}

.material-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

/* CTAs centralizados */
.cta-center {
    text-align: center;
    margin: 40px 0;
}

.btn-submit {
    text-decoration: none;
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    color: white;
    font-weight: bold;
    font-size: 18px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

/* CTA Transformadores (verde) */
.btn-submit-transformers {
    background-color: #28a745;
}

/* CTA Materiais (azul) */
.btn-submit-materials {
    background-color: #007bff;
}

.materials-title {
    margin-top: 50px;
}

.closing-note {
    margin-top: 30px;
    text-align: center;
}