/* Estilos adicionais para otimização de SEO e desempenho */

/* Lazy loading para imagens */
.lazy-load {
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lazy-load.loaded {
    opacity: 1;
}

/* Estilos para o botão "Voltar ao topo" */
.back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    z-index: 99;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background-color: var(--primary-dark);
}

/* Estilos para o preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--medium-gray);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Estilos para o mapa do site no rodapé */
.sitemap {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.sitemap-column h4 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-md);
}

.sitemap-column ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sitemap-column li {
    margin-bottom: var(--spacing-xs);
}

.sitemap-column a {
    color: var(--medium-gray);
    font-size: var(--font-size-sm);
    transition: color var(--transition-normal);
}

.sitemap-column a:hover {
    color: var(--white);
}

/* Estilos para breadcrumbs */
.breadcrumbs {
    padding: var(--spacing-sm) 0;
    background-color: var(--light-gray);
    margin-bottom: var(--spacing-md);
}

.breadcrumbs-list {
    display: flex;
    flex-wrap: wrap;
    list-style: none;
    padding: 0;
    margin: 0;
}

.breadcrumbs-item {
    display: flex;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--secondary-light);
}

.breadcrumbs-item:not(:last-child)::after {
    content: '/';
    margin: 0 var(--spacing-xs);
    color: var(--secondary-light);
}

.breadcrumbs-item a {
    color: var(--secondary-dark);
}

.breadcrumbs-item a:hover {
    color: var(--primary-color);
}

.breadcrumbs-item.active {
    color: var(--primary-color);
}

/* Estilos para o cookie consent */
.cookie-consent {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--secondary-dark);
    color: var(--white);
    padding: var(--spacing-md);
    z-index: 9998;
    display: none;
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.cookie-text {
    flex: 1;
    min-width: 200px;
}

.cookie-text p {
    margin-bottom: 0;
}

.cookie-buttons {
    display: flex;
    gap: var(--spacing-sm);
}

/* Estilos para o esquema de cores escuro (para futura implementação) */
@media (prefers-color-scheme: dark) {
    :root {
        /* Variáveis para o tema escuro podem ser definidas aqui */
    }
}

/* Otimizações para impressão */
@media print {
    .no-print {
        display: none !important;
    }
    
    .page-break {
        page-break-before: always;
    }
    
    a[href]:after {
        content: " (" attr(href) ")";
        font-size: 90%;
        color: #333;
    }
    
    abbr[title]:after {
        content: " (" attr(title) ")";
    }
}