/* --- CONFIGURAÇÕES GLOBAIS, FONTES E TEMA --- */
:root {
    --cor-fundo: #f8f9fa;
    --cor-fundo-card: #FFFFFF;
    --cor-fundo-secao-alt: #f1f3f5;
    --cor-texto-principal: #212529;
    --cor-texto-secundario: #6c757d;
    --cor-borda: #dee2e6;
    --cor-destaque: #6C8EAD;
    /* Azul da Marca */
    --cor-destaque-hover: #5A7D9A;
    --cor-texto-light: #FFFFFF;
    --cor-fundo-dark-secao: #121212;
    --cor-fundo-header: rgba(18, 18, 18, 0.85);
    --cor-fundo-menu-mobile: rgba(18, 18, 18, 0.98);
    --altura-header: 92px;
    /* Variável para a altura do header */
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--cor-fundo);
    color: var(--cor-texto-principal);
    overflow-x: clip;
    /* Previne scroll horizontal de forma mais eficaz */
    font-weight: 400;
}

/* Classe para travar o scroll do body quando o menu estiver aberto */
body.no-scroll {
    overflow: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Lora', serif;
    font-weight: 700;
}

a {
    color: var(--cor-destaque);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--cor-destaque-hover);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.cta-button {
    display: inline-block;
    background-color: var(--cor-destaque);
    color: var(--cor-texto-light);
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.cta-button:hover {
    background-color: var(--cor-destaque-hover);
    transform: scale(1.05);
    color: var(--cor-texto-light);
}

/* ==========================================================================
   HEADER RESPONSIVO UNIFICADO - CSK
   ========================================================================== */
.csk-header {
    position: fixed;
    /* Alterado para fixo */
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: top 0.3s ease-in-out;
    height: var(--altura-header);
    /* Define a altura do header */
}

.csk-header::before {
    content: '';
    position: absolute;
    inset: 0;
    z-index: -1;
    background-color: var(--cor-fundo-header);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}


.csk-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.csk-logo {
    display: flex;
    flex-direction: column;
    line-height: 1;
    text-decoration: none;
}

.csk-logo-main {
    font-family: 'Lora', serif;
    font-size: 32px;
    font-weight: 700;
    color: var(--cor-texto-light);
}

.csk-logo-tagline {
    font-family: 'Poppins', sans-serif;
    font-size: 11px;
    font-weight: 400;
    color: #B3B3B3;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

.csk-nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.csk-nav-links a {
    color: var(--cor-texto-light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
    padding-bottom: 5px;
}

.csk-nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--cor-destaque);
    transform: scaleX(0);
    transform-origin: bottom right;
    transition: transform 0.3s ease-out;
}

.csk-nav-links a:hover::after,
.csk-nav-links a.active::after {
    transform: scaleX(1);
    transform-origin: bottom left;
}

.csk-nav-links a:hover,
.csk-nav-links a.active {
    color: var(--cor-destaque);
}

.csk-mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--cor-texto-light);
    z-index: 1002;
}

.csk-mobile-toggle .icon-menu,
.csk-mobile-toggle .icon-close {
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.csk-mobile-toggle .icon-close {
    display: none;
}

/* --- FOOTER --- */
.footer {
    background-color: #000;
    padding: 60px 0 30px 0;
    color: #a0a0a0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    text-align: left;
}

.footer-column {
    flex: 1;
    min-width: 230px;
}

.footer-column h3 {
    color: var(--cor-texto-light);
    margin-bottom: 20px;
    font-size: 20px;
}

.footer-column a,
.footer-column p {
    color: #a0a0a0;
    text-decoration: none;
    display: flex;
    margin-bottom: 12px;
}

.footer-column a:hover {
    color: var(--cor-destaque);
}

.footer-bottom {
    border-top: 1px solid #333;
    margin-top: 40px;
    padding-top: 30px;
    font-size: 14px;
    text-align: center;
}

.footer-bottom p {
    margin-bottom: 8px;
}


/* --- ESTRUTURA GERAL DO BLOG --- */
.blog-main {
    padding-top: var(--altura-header);
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
}

.section-title .highlight {
    color: var(--cor-destaque);
}

/* --- PÁGINA INICIAL DO BLOG --- */
.blog-hero {
    padding: 80px 0;
    text-align: center;
    background-color: var(--cor-fundo-card);
}

.blog-hero h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.blog-hero p {
    font-size: 1.1rem;
    color: var(--cor-texto-secundario);
    max-width: 700px;
    margin: 0 auto;
}

.featured-post {
    padding: 80px 0;
}

.featured-post .container {
    display: flex;
    align-items: center;
    gap: 50px;
    flex-wrap: wrap;
}

.featured-image {
    flex: 1.2;
    min-width: 300px;
}

.featured-image a {
    display: block;
    overflow: hidden;
    border-radius: 15px;
}

.featured-image img {
    width: 100%;
    transition: transform 0.3s ease;
}

.featured-image a:hover img {
    transform: scale(1.05);
}

.featured-content {
    flex: 1;
    min-width: 300px;
}

.featured-content .post-category {
    font-weight: 700;
    color: var(--cor-destaque);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.featured-content h2 {
    font-size: 2.8rem;
    margin: 10px 0 20px 0;
}

.featured-content h2 a {
    color: var(--cor-texto-principal);
}

.featured-content .post-excerpt {
    color: var(--cor-texto-secundario);
    margin-bottom: 30px;
    line-height: 1.7;
}

.featured-content .post-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.9rem;
    color: var(--cor-texto-secundario);
}

.featured-content .author-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--cor-borda);
}

.latest-posts {
    padding: 80px 0;
    background-color: var(--cor-fundo-secao-alt);
}

.posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 30px;
}

.post-card {
    background: var(--cor-fundo-card);
    border-radius: 15px;
    overflow: hidden;
    border: 1px solid var(--cor-borda);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: var(--cor-texto-principal);
}

.post-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    color: var(--cor-texto-principal);
}

.post-card-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.post-card:hover .post-card-image img {
    transform: scale(1.05);
}

.post-card-content {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.post-card .post-category {
    font-weight: 700;
    color: var(--cor-destaque);
    font-size: 0.8rem;
    text-transform: uppercase;
}

.post-card h3 {
    font-size: 1.4rem;
    margin: 10px 0;
    flex-grow: 1;
    line-height: 1.4;
}

.post-card .post-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 0.9rem;
    color: var(--cor-texto-secundario);
    margin-top: 20px;
    border-top: 1px solid var(--cor-borda);
    padding-top: 15px;
}

.post-card .author-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    object-fit: cover;
}

.blog-cta {
    padding: 80px 0;
    background-color: var(--cor-destaque);
    color: var(--cor-texto-light);
    text-align: center;
}

.blog-cta h2 {
    color: var(--cor-texto-light);
}

.blog-cta p {
    max-width: 600px;
    margin: 0 auto 30px auto;
    opacity: 0.9;
}

.blog-cta .cta-button {
    background: var(--cor-texto-light);
    color: var(--cor-texto-principal);
}

/* --- PÁGINA DE ARTIGO --- */
.article-header {
    padding: 80px 0;
    background-color: var(--cor-fundo-dark-secao);
    color: var(--cor-texto-light);
    text-align: center;
}

.article-header .post-category {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 1rem;
    color: var(--cor-destaque);
}

.article-header h1 {
    font-size: 3.2rem;
    max-width: 900px;
    margin: 15px auto 25px auto;
}

.article-header .post-meta {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    color: #ccc;
}

.article-header .author-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid var(--cor-destaque);
    object-fit: cover;
}

.article-featured-image {
    margin-top: -50px;
    position: relative;
    z-index: 10;
}

.article-featured-image img {
    max-width: 1000px;
    width: 90%;
    margin: 0 auto;
    border-radius: 15px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    object-fit: cover;
    max-height: 500px;
}

.article-layout {
    padding: 80px 0;
}

.article-content {
    max-width: 750px;
    margin: 0 auto;
}

.article-body {
    line-height: 1.8;
    font-size: 1.1rem;
}

.article-body h2 {
    font-size: 2.2rem;
    margin: 50px 0 20px 0;
}

.article-body h3 {
    font-size: 1.8rem;
    margin: 40px 0 20px 0;
}

.article-body p {
    margin-bottom: 25px;
}

.article-body ul,
.article-body ol {
    margin: 0 0 25px 25px;
    padding-left: 20px;
}

.article-body blockquote {
    border-left: 4px solid var(--cor-destaque);
    padding-left: 25px;
    margin: 40px 0;
    font-style: italic;
    font-size: 1.2rem;
    color: var(--cor-texto-secundario);
}

.article-body img {
    border-radius: 10px;
    margin: 40px 0;
}

.article-author-box {
    margin-top: 60px;
    padding: 30px;
    background-color: var(--cor-fundo-secao-alt);
    border: 1px solid var(--cor-borda);
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 30px;
    flex-wrap: wrap;
}

.article-author-box .author-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    flex-shrink: 0;
    object-fit: cover;
}

.article-author-box h4 {
    font-size: 1.5rem;
}

.article-author-box p {
    font-size: 1rem;
    color: var(--cor-texto-secundario);
    margin: 0;
}

.related-posts {
    padding: 80px 0;
    background-color: var(--cor-fundo-secao-alt);
}

/* --- RESPONSIVIDADE --- */
@media (max-width: 768px) {
    .featured-post .container {
        flex-direction: column;
    }

    .article-header h1 {
        font-size: 2.5rem;
    }

    .blog-hero h1 {
        font-size: 2.5rem;
    }

    .featured-content h2 {
        font-size: 2.2rem;
    }

    /* LÓGICA DE RESPONSIVIDADE DO HEADER */
    .csk-nav-links {
        position: fixed;
        inset: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2rem;
        background-color: var(--cor-fundo-menu-mobile);
        backdrop-filter: blur(5px);
        -webkit-backdrop-filter: blur(5px);
        z-index: 1001;
        opacity: 0;
        transform: translateX(100%);
        pointer-events: none;
        visibility: hidden;
        transition: transform 0.4s cubic-bezier(0.76, 0, 0.24, 1), opacity 0.4s ease, visibility 0.4s;
    }

    .csk-nav-links a {
        font-size: 1.5rem;
        font-weight: 700;
    }

    .csk-nav-links a::after {
        display: none;
    }

    .csk-mobile-toggle {
        display: block;
    }

    .csk-header[data-nav-active="true"] .csk-nav-links {
        opacity: 1;
        transform: translateX(0);
        pointer-events: auto;
        visibility: visible;
    }

    .csk-header[data-nav-active="true"] .csk-mobile-toggle .icon-menu {
        display: none;
    }

    .csk-header[data-nav-active="true"] .csk-mobile-toggle .icon-close {
        display: block;
    }
}

/* Estilo para a Tag de Destaque */
.featured-post-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.featured-badge {
    background-color: #6C8EAD;
    color: #ffffff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-link-icon {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.footer-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.social-links {
    display: flex;
    gap: 16px;
    align-items: center;
}

.social-links a img {
    width: 28px;
    height: 28px;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.social-links a:hover img {
    opacity: 1;
}

/* ==========================================================================
   PÁGINA DE ERRO 404 - REDESENHO UI/UX
   ========================================================================== */

.error-page-section {
    padding: 80px 0;
    min-height: calc(100vh - var(--altura-header));
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.error-layout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    flex-wrap: wrap-reverse;
}

.error-text-content {
    flex: 1;
    min-width: 300px;
    max-width: 550px;
}

.error-visual-content {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.error-text-content h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
    color: var(--cor-texto-principal);
}

.error-text-content p {
    font-size: 1.1rem;
    color: var(--cor-texto-secundario);
    margin-bottom: 30px;
    line-height: 1.7;
}

.error-code-bg {
    font-family: 'Lora', serif;
    font-size: 200px;
    font-weight: 700;
    color: var(--cor-fundo-secao-alt);
    line-height: 1;
}

/* Estilo da Barra de Busca */
.error-search-form {
    position: relative;
    margin-bottom: 25px;
}

.error-search-form input {
    width: 100%;
    padding: 15px 50px 15px 20px;
    border-radius: 50px;
    border: 1px solid var(--cor-borda);
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
}

.error-search-form button {
    position: absolute;
    right: 5px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--cor-destaque);
    color: var(--cor-texto-light);
    border: none;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s ease;
}

.error-search-form button:hover {
    background: var(--cor-destaque-hover);
}

.error-text-content .btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: var(--cor-destaque);
    padding: 10px 24px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    border: 1px solid var(--cor-borda);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.error-text-content .btn-secondary:hover {
    background-color: var(--cor-fundo-secao-alt);
    border-color: var(--cor-fundo-secao-alt);
    color: var(--cor-texto-principal);
}

/* Seção de Posts Recentes */
.related-posts-preview {
    margin-top: 80px;
    padding-top: 40px;
    border-top: 1px solid var(--cor-borda);
}

.related-posts-preview h3 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.8rem;
    color: var(--cor-texto-secundario);
    font-weight: 400;
}

/* Responsividade */
@media (max-width: 768px) {
    .error-layout {
        text-align: center;
        gap: 20px;
    }
    .error-text-content {
        max-width: 100%;
    }
    .error-text-content h1 {
        font-size: 2.2rem;
    }
    .error-code-bg {
        font-size: 120px;
    }
}