/* footer.css */
/* ==================================== */
/* 3. ESTILOS DO FOOTER */
/* ==================================== */

footer {
    /* 🌟 NOVO: Fundo Base (um pouco mais claro que o Page) */
    background-color: var(--clr-bg-base); 
    padding: var(--spacing-xl) 0; /* 🌟 NOVO: 2rem ≈ 32px (XL) */
    font-size: var(--font-size-sm); /* 🌟 NOVO: 0.875rem (SM) */

    /* 🌟 NOVO: Empurra o footer para o final da tela */
    margin-top: auto;
}

.footer-container {
    max-width: 1600px; 
    margin: 0 auto; 
    padding: 0 var(--spacing-md); /* 🌟 NOVO: 1rem ≈ 16px (MD) */
}

/* --- Linha Superior: Logo, Links e Redes Sociais --- */

.footer-top-line {
    display: flex;
    align-items: center;
    justify-content: space-between; 
}

.footer-logo-container {
    display: flex;
    align-items: center;
    min-width: 60px; 
}

.footer-logo-icon {
    font-size: var(--font-size-h3); /* 🌟 NOVO: 1.5rem */
    font-weight: var(--font-weight-extrabold); /* 🌟 NOVO: 800 */
    color: var(--clr-text-primary);
}

/* Lista de Links Institucionais (Central) */
.footer-utility-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap; 
    gap: var(--spacing-md); /* 🌟 NOVO: 1.5rem ≈ 16px (MD) */
    flex-grow: 1; 
    padding: 0 var(--spacing-xl); /* 🌟 NOVO: 2rem ≈ 32px (XL) */
}

.footer-utility-links a {
    text-decoration: none;
    color: var(--clr-text-secondary); /* Cinza suave */
    font-weight: var(--font-weight-regular);
    white-space: nowrap; 
    transition: color var(--transition-fast);
}

.footer-utility-links a:hover {
    color: var(--clr-text-primary); /* Branco ao passar o mouse */
}

/* Redes Sociais */
.social-links {
    display: flex;
    flex-direction: row-reverse;
    gap: var(--spacing-md); /* 🌟 NOVO: 1rem ≈ 16px (MD) */
    min-width: 150px; 
}

.social-links a {
    text-decoration: none;
    color: var(--clr-text-secondary);
    font-size: var(--font-size-lg); /* 🌟 NOVO: 1.1rem ≈ 1.125rem (LG) */
    transition: color var(--transition-fast);
}

.social-links a:hover {
    color: var(--clr-text-primary);
}

/* --- Divisor --- */

.footer-divider {
    border-top: var(--border-thin); /* 🌟 NOVO: Linha divisória fina */
    margin-top: var(--spacing-md); /* 🌟 NOVO: 1.5rem ≈ 24px (LG) */
    margin-bottom: var(--spacing-md); /* 🌟 NOVO: 1.5rem ≈ 24px (LG) */
}

/* --- Linha Inferior: Legal e Voltar ao Topo --- */

.footer-bottom-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--clr-text-secondary);
}

.footer-legal-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md); /* 🌟 NOVO: 1.5rem ≈ 24px (LG) */
}

.footer-legal-info a.cookie-preferences {
    text-decoration: none;
    color: var(--clr-text-secondary);
    transition: color var(--transition-fast);
}

.footer-legal-info a.cookie-preferences:hover {
    color: var(--clr-text-primary);
}

.back-to-top {
    text-decoration: none;
    color: var(--clr-text-secondary);
    font-weight: var(--font-weight-semibold);
    transition: color var(--transition-fast);
}

.back-to-top:hover {
    color: var(--clr-text-primary);
}

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

@media (max-width: 768px) {
    /* Stack footer elements vertically */
    .footer-top-line {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }

    .footer-logo-container {
        justify-content: center;
    }

    .footer-utility-links {
        justify-content: center;
        padding: 0;
    }

    .social-links {
        flex-direction: row;
        justify-content: center;
    }

    .footer-bottom-line {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .footer-legal-info {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    footer {
        padding: var(--spacing-lg) 0;
    }

    .footer-utility-links {
        gap: var(--spacing-sm);
    }

    .footer-utility-links a {
        font-size: var(--font-size-xs);
    }
}