.portfolio {
    background: #f9f9f9;
    padding: 60px 20px;
    text-align: center;
}

.portfolio-header {
    margin-bottom: 40px;
}

.portfolio-header h2 {
    font-size: 2.5em;
    color: #333;
    margin-bottom: 10px;
}

.portfolio-header p {
    font-size: 1.2em;
    color: #666;
    margin-bottom: 30px;
}

/* Grade responsiva semelhante à galeria */
.portfolio-items {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 4 colunas no desktop */
    gap: 10px;
    justify-content: center;
    max-width: 1000px;
    margin: 0 auto;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.portfolio-item img {
    width: 100%;
    aspect-ratio: 1 / 1; /* Mantém proporção quadrada */
    object-fit: cover; /* Preenche a célula sem distorcer */
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.portfolio-item img:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Responsividade */
@media (max-width: 1024px) {
    .portfolio-items {
        grid-template-columns: repeat(3, 1fr); /* 3 colunas para tablets maiores */
    }
}

@media (max-width: 768px) {
    .portfolio-items {
        grid-template-columns: repeat(2, 1fr); /* 2 colunas para tablets menores */
    }

    .portfolio-header h2 {
        font-size: 2em; /* Reduz o tamanho do título */
    }
    .portfolio-header p {
        font-size: 1em;
    }
}

@media (max-width: 480px) {
    .portfolio-items {
        grid-template-columns: 1fr; /* 1 coluna para celulares */
    }

    .portfolio-header h2 {
        font-size: 1.8em;
    }
    .portfolio-header p {
        font-size: 0.9em;
    }
}