/* ==========================================================================
   footer.css - Estilização do Rodapé Institucional DLL Transportes (Sprint 08)
   ========================================================================== */

.main-footer {
    background-color: var(--color-primary-navy); /* Azul escuro institucional */
    color: #FFFFFF;
    padding-top: 60px; /* Padding superior confortável */
    border-top: 3px solid var(--color-secondary-gold); /* Linha fina dourada na divisa */
    font-family: var(--font-primary);
    position: relative;
    z-index: 5;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr; /* Proporção de 4 colunas elegante */
    gap: 40px;
    margin-bottom: 50px;
    width: 100%;
}

/* Coluna 1: Logo e Marca */
.footer-col-brand {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
}

.footer-logo {
    display: inline-block;
    outline: none;
    transition: opacity var(--transition-fast) ease;
}

.footer-logo:hover {
    opacity: 0.9;
}

.footer-logo-img {
    height: 42px; /* Mantém a proporção nítida oficial do Header */
    width: auto;
    object-fit: contain;
}

.footer-brand-text {
    font-size: 0.875rem; /* 14px */
    color: rgba(255, 255, 255, 0.7); /* Branco suave com opacidade */
    line-height: 1.6;
    max-width: 340px;
    margin: 0;
}

/* Título das Colunas */
.footer-title {
    font-family: var(--font-primary);
    font-size: 1.125rem; /* ~18px */
    font-weight: 700;
    color: var(--color-secondary-gold); /* Destaque dourado */
    text-transform: uppercase;
    margin-bottom: 20px;
    letter-spacing: 0.5px;
}

/* Listas de Links e Contatos */
.footer-menu,
.footer-contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* Links Rápidos */
.footer-link {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color var(--transition-fast) ease, padding-left var(--transition-fast) ease;
    display: inline-block;
    outline: none;
}

.footer-link:hover,
.footer-link:focus-visible {
    color: var(--color-secondary-gold);
    padding-left: 4px; /* Efeito de deslocamento elegante no hover */
}

/* Links de Contato */
.footer-contact-link {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: color var(--transition-fast) ease;
    outline: none;
}

.footer-contact-link:hover,
.footer-contact-link:focus-visible {
    color: var(--color-secondary-gold);
}

.footer-contact-icon {
    color: var(--color-secondary-gold); /* Ícone em dourado institucional */
    font-size: 16px;
    flex-shrink: 0;
}

/* ==========================================================================
   Barra Inferior (Copyright e Crédito Azeonx)
   ========================================================================== */

.footer-bottom {
    background-color: rgba(0, 0, 0, 0.2); /* Tom ligeiramente mais escuro que o navy */
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.813rem; /* 13px */
    color: rgba(255, 255, 255, 0.5); /* Texto secundário discreto */
}

.footer-copyright {
    margin: 0;
}

.footer-credits {
    margin: 0;
}

/* Crédito Azeonx discreto */
.credit-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast) ease;
    outline: none;
}

.credit-link:hover,
.credit-link:focus-visible {
    color: var(--color-secondary-gold);
}

/* ==========================================================================
   Responsividade - Rodapé
   ========================================================================== */

/* Tablets (2 Colunas) */
@media (max-width: 991px) {
    .footer-container {
        grid-template-columns: repeat(2, 1fr); /* Grade 2 colunas */
        gap: 40px var(--spacing-md);
    }
    
    .footer-col-brand {
        grid-column: span 2; /* Coluna da marca ocupa a largura total centralizada */
        align-items: center;
        text-align: center;
    }
    
    .footer-brand-text {
        max-width: 500px;
    }
}

/* Mobile e tablets pequenos (1 Coluna) */
@media (max-width: 767px) {
    .main-footer {
        padding-top: 48px;
    }
    
    .footer-container {
        grid-template-columns: 1fr; /* 1 coluna */
        gap: 32px;
        text-align: left;
    }

    .footer-col-brand {
        grid-column: auto;
        align-items: flex-start;
        text-align: left;
        gap: 16px;
    }

    .footer-brand-text {
        max-width: 100%;
    }

    .footer-title {
        margin-bottom: 16px;
    }

    .footer-menu,
    .footer-contact-list {
        gap: 12px;
    }
    
    .footer-contact-link {
        justify-content: flex-start;
        align-items: flex-start;
        gap: 12px;
        line-height: 1.5;
    }
    
    /* Layout vertical na barra de copyright */
    .footer-bottom-container {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
}