.menu-secoes-internas {
    margin: 20px 0;
    padding: 0;
    background: #f8fbf7;
    border-left: 6px solid #81c182;
}

.menu-secoes-internas ul {
    list-style: none;
    margin: 0;
    padding: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.menu-secoes-internas li {
    margin: 0;
}

.menu-secoes-internas button {
    background: #fff;
    border: 1px solid #ccc;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    color: #333;
    transition: all 0.3s ease;
    font-family: inherit;
}

.menu-secoes-internas button:hover {
    background: #2c6f39;
    color: #fff;
    border-color: #2c6f39;
}

.menu-secoes-internas button.ativo {
    background: #2c6f39;
    color: #fff;
    border-color: #2c6f39;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.secao-interna-pagina {
    margin: 40px 0 20px 0;
    border-bottom: 1px solid #eee;
    padding-bottom: 10px;
}

.secao-interna-pagina .titulo-secao-toggle {
    position: relative;
    padding-left: 25px;
    transition: color 0.2s;
    user-select: none;
}

.secao-interna-pagina .titulo-secao-toggle:hover {
    color: #2c6f39;
}

.secao-interna-pagina .titulo-secao-toggle::before {
    content: '►';
    position: absolute;
    left: 0;
    top: 0;
    font-size: 0.8em;
    transform: translateY(2px);
    transition: transform 0.2s;
    color: #81c182;
}

.secao-interna-pagina .titulo-secao-toggle[aria-expanded="true"]::before {
    transform: rotate(90deg) translateY(2px);
}

.secao-interna-pagina .titulo-secao-toggle.ativo {
    color: #2c6f39;
}

.conteudo-secao {
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (max-width: 600px) {
    .menu-secoes-internas ul {
        /* flex-direction: column; */
    }
    
    .menu-secoes-internas button {
        width: 100%;
        text-align: left;
    }
}