/* ============================
   SECÇÃO CIÊNCIA E TECNOLOGIA
   ============================ */

/* Container principal */
.conteudo-ciencia {
    max-width: 1200px;
    margin: 40px auto;
    padding: 20px;
    background: #ffffff;
    border-radius: 12px;
}

/* ============================
   NAVBAR SECUNDÁRIA
   ============================ */

.navbar-secundaria {
    display: flex;
    align-items: center;
    gap: 20px;
    background: #f5f7fa;
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 30px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.navbar-secundaria .btn-voltar {
    background: #0073e6;
    color: #fff;
    padding: 8px 16px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s ease;
}

.navbar-secundaria .btn-voltar:hover {
    background: #005bb5;
}

.navbar-secundaria .titulo-pagina {
    font-size: 20px;
    font-weight: 700;
    color: #333;
}

/* ============================
   TIPOGRAFIA E CONTEÚDO
   ============================ */

.conteudo-ciencia h1,
.conteudo-ciencia h2,
.conteudo-ciencia h3 {
    color: #222;
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 700;
}

.conteudo-ciencia p {
    line-height: 1.7;
    margin-bottom: 20px;
    color: #444;
}

.conteudo-ciencia ul,
.conteudo-ciencia ol {
    margin-left: 20px;
    margin-bottom: 20px;
}

/* ============================
   SEPARADORES E SECÇÕES
   ============================ */

.ciencia-section {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid #e5e5e5;
}

.ciencia-section h2 {
    font-size: 24px;
    margin-bottom: 20px;
}

/* ============================
   BOTÕES GERAIS
   ============================ */

.ciencia-btn {
    display: inline-block;
    background: #0073e6;
    color: #fff;
    padding: 10px 18px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: background 0.2s ease;
}

.ciencia-btn:hover {
    background: #005bb5;
}

/* ============================
   RESPONSIVIDADE
   ============================ */

@media (max-width: 768px) {
    .navbar-secundaria {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .conteudo-ciencia {
        padding: 15px;
    }
}