/* =============================================================================
   Single Post — Tipografia, Layout e Artigos Relacionados
   Referência visual: design editorial com Noto Serif + Source Sans 3
   ============================================================================= */

/* ─────────────────────────────────────────────────────────────────────────────
   Variáveis locais — fontes editoriais
   ───────────────────────────────────────────────────────────────────────────── */

:root {
    --font-serif:     var(--font);
    --font-sans-post: var(--font);
    --article-max:    740px;
}

/* Fundo levemente cinza na página do post — o artigo (branco) contrasta como card */
body.single-post {
    background-color: var(--color-bg-alt, #f7f7f7);
}

/* ─────────────────────────────────────────────────────────────────────────────
   Layout: coluna única, sem sidebar
   ───────────────────────────────────────────────────────────────────────────── */

.article-layout {
    display: block;
    max-width: var(--article-max, 800px);
    margin: 40px auto 0;
    padding: 0 var(--pad, 20px);
}

/* Sidebar sempre oculta — sem anúncio configurado não ocupa espaço */
.article-sidebar {
    display: none;
}

/* Artigo — fundo branco (contrasta com o cinza da página) */
.article {
    background: #fff;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Topo do cabeçalho: badge (bloco próprio) → breadcrumb → título → meta
   ───────────────────────────────────────────────────────────────────────────── */

.article-badge {
    display: inline-flex;
    align-items: center;
    height: 26px;
    padding: 0 12px;
    background: var(--color-badge-bg, #c0392b);
    color: var(--color-badge-text, #fff);
    font-family: var(--font-sans-post);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .09em;
    text-transform: uppercase;
    border-radius: 4px;
    text-decoration: none;
    flex-shrink: 0;
    transition: opacity .15s;
    margin-bottom: 10px;
}

.article-badge:hover { opacity: .85; }

/* Breadcrumb — navegação estrutural */
.article-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 2px 4px;
    font-family: var(--font-sans-post);
    font-size: 12px;
    color: var(--color-text-muted, #666);
    line-height: 1;
}

.article-breadcrumb a {
    color: var(--color-text-muted, #666);
    text-decoration: none;
    transition: color .15s;
}

.article-breadcrumb a:hover { color: var(--color-primary); }

.article-breadcrumb__sep {
    opacity: .45;
    padding: 0 1px;
}

.article-breadcrumb__current {
    color: var(--color-text, #1a1a1a);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 260px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Título principal — h1
   ───────────────────────────────────────────────────────────────────────────── */

.article-header { margin-bottom: 28px; }

.article-title {
    font-family: var(--font-serif);
    font-size: clamp(28px, 5vw, 48px);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -.02em;
    color: var(--color-heading, #0f0f0f);
    margin: 0 0 16px;
}

.article-lead {
    font-family: var(--font-sans-post);
    font-size: clamp(16px, 2vw, 18px);
    line-height: 1.65;
    color: var(--color-text-muted, #666);
    font-style: italic;
    margin: 0 0 20px;
    padding-left: 16px;
    border-left: 3px solid var(--color-primary, #c0392b);
}

/* ─────────────────────────────────────────────────────────────────────────────
   Meta do autor — avatar + nome + data separados por borda
   ───────────────────────────────────────────────────────────────────────────── */

.article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 0;
    border-top: 1px solid var(--color-border, #e8e8e8);
    border-bottom: 1px solid var(--color-border, #e8e8e8);
}

.article-meta__avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
    filter: grayscale(.35);
    background: var(--color-bg-alt, #f7f7f7);
}

.article-meta__info {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.article-meta__author {
    font-family: var(--font-sans-post);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text, #1a1a1a);
    line-height: 1.3;
}

.article-meta__author strong { font-weight: 700; }

.article-meta__secondary {
    display: flex;
    align-items: center;
    gap: 5px;
    font-family: var(--font-sans-post);
    font-size: 12px;
    color: var(--color-text-muted, #666);
    line-height: 1;
}

.article-meta__dot { opacity: .4; }

/* ─────────────────────────────────────────────────────────────────────────────
   Imagem de destaque
   Wrapper controla o aspect-ratio; img preenche com object-fit cover.
   Desktop: 21/9 (cinematográfico). Mobile: 16/9 full-bleed.
   ───────────────────────────────────────────────────────────────────────────── */

.article-thumb {
    margin: 28px 0 32px;
}

.article-thumb__wrap {
    overflow: hidden;
    border-radius: 12px;
    aspect-ratio: 21/9;
    background: var(--color-bg-alt, #f7f7f7);
}

.article-thumb__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.article-thumb__caption {
    font-family: var(--font-sans-post);
    font-size: 12px;
    color: var(--color-text-muted, #666);
    font-style: italic;
    line-height: 1.55;
    margin-top: 12px;
    padding-left: 14px;
    border-left: 2px solid var(--color-primary, #c0392b);
}

/* ─────────────────────────────────────────────────────────────────────────────
   Conteúdo editorial — tipografia h2 → h4 com hierarquia clara
   ───────────────────────────────────────────────────────────────────────────── */

.article-content {
    font-family: var(--font-sans-post);
    font-size: clamp(16px, 2vw, 18px);
    line-height: 1.85;
    color: var(--color-text, #1a1a1a);
}

/* Drop cap no primeiro parágrafo — efeito editorial (desktop only) */
.article-content > p:first-of-type::first-letter {
    font-family: var(--font-serif);
    font-size: 3.8em;
    font-weight: 700;
    float: left;
    line-height: .8;
    margin: 4px 10px 0 0;
    color: var(--color-primary, #c0392b);
}

/* h2 — seção do artigo */
.article-content h2 {
    font-family: var(--font-serif);
    font-size: clamp(20px, 3vw, 24px);
    font-weight: 700;
    line-height: 1.3;
    color: var(--color-heading, #0f0f0f);
    margin: 44px 0 14px;
    letter-spacing: -.01em;
}

/* h3 — subseção */
.article-content h3 {
    font-family: var(--font-serif);
    font-size: clamp(17px, 2.5vw, 20px);
    font-weight: 600;
    line-height: 1.35;
    color: var(--color-heading, #0f0f0f);
    margin: 36px 0 12px;
}

/* h4 — detalhe */
.article-content h4 {
    font-family: var(--font-sans-post);
    font-size: clamp(15px, 2vw, 17px);
    font-weight: 700;
    line-height: 1.4;
    color: var(--color-heading, #0f0f0f);
    margin: 28px 0 8px;
}

.article-content p { margin: 0 0 20px; }

.article-content a {
    color: var(--color-primary, #c0392b);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
}

.article-content a:hover { color: var(--color-primary-dk, #a93226); }

/* Lista com marcadores quadrados — idêntico à referência */
.article-content ul {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
}

.article-content ul li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 12px;
    line-height: 1.65;
}

.article-content ul li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    background: var(--color-primary, #c0392b);
    border-radius: 1px; /* quadrado suave */
}

.article-content ol {
    list-style: decimal;
    padding-left: 24px;
    margin: 0 0 24px;
}

.article-content ol li { margin-bottom: 12px; line-height: 1.65; }

/* Blockquote mobile: borda esquerda simples */
.article-content blockquote {
    margin: 32px 0;
    padding: 12px 24px;
    border-left: 2px solid var(--color-primary, #c0392b);
    font-family: var(--font-serif);
    font-size: clamp(17px, 2vw, 20px);
    font-style: italic;
    color: var(--color-text-muted, #666);
    line-height: 1.65;
}

.article-content blockquote p { margin: 0 0 10px; }
.article-content blockquote p:last-child { margin: 0; }

.article-content blockquote cite {
    display: block;
    font-family: var(--font-sans-post);
    font-style: normal;
    font-size: 13px;
    color: var(--color-text-muted, #666);
    margin-top: 12px;
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    margin: 24px auto;
}

.article-content figure { margin: 28px 0; }

.article-content figcaption {
    font-family: var(--font-sans-post);
    font-size: 12px;
    color: var(--color-text-muted, #666);
    font-style: italic;
    margin-top: 8px;
    padding-left: 12px;
    border-left: 2px solid var(--color-primary, #c0392b);
    line-height: 1.5;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 24px 0;
    font-size: 15px;
    font-family: var(--font-sans-post);
}

.article-content th,
.article-content td {
    border: 1px solid var(--color-border, #e8e8e8);
    padding: 8px 14px;
    text-align: left;
}

.article-content th {
    background: var(--color-bg-alt, #f7f7f7);
    font-weight: 700;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Footer do artigo — tags + compartilhamento
   ───────────────────────────────────────────────────────────────────────────── */

.article-footer {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border, #e8e8e8);
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: 16px 24px;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    flex: 1 1 auto;
}

.article-tags__label {
    font-family: var(--font-sans-post);
    font-size: 11px;
    font-weight: 700;
    color: var(--color-text-muted, #666);
    letter-spacing: .07em;
    text-transform: uppercase;
    white-space: nowrap;
}

/* Pills arredondados — igual à referência */
.article-tags__item {
    display: inline-flex;
    align-items: center;
    height: 28px;
    padding: 0 14px;
    background: var(--color-bg-alt, #f7f7f7);
    border: 1px solid var(--color-border, #e8e8e8);
    border-radius: 9999px;
    color: var(--color-text-muted, #666);
    font-family: var(--font-sans-post);
    font-size: 12px;
    font-weight: 600;
    text-decoration: none;
    transition: border-color .15s, color .15s;
}

.article-tags__item:hover {
    border-color: var(--color-primary, #c0392b);
    color: var(--color-primary, #c0392b);
}

.article-share {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.article-share__label {
    font-family: var(--font-sans-post);
    font-size: 11px;
    font-weight: 700;
    color: var(--color-text-muted, #666);
    letter-spacing: .07em;
    text-transform: uppercase;
    white-space: nowrap;
}

.article-share__btn {
    display: inline-flex;
    align-items: center;
    height: 32px;
    padding: 0 16px;
    border-radius: 9999px;
    font-family: var(--font-sans-post);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    white-space: nowrap;
    transition: opacity .15s;
}

.article-share__btn:hover { opacity: .82; }
.article-share__btn--whatsapp { background: #25d366; color: #fff; }
.article-share__btn--facebook { background: #1877f2; color: #fff; }
.article-share__btn--twitter  { background: #000;    color: #fff; }

/* ─────────────────────────────────────────────────────────────────────────────
   Sidebar
   ───────────────────────────────────────────────────────────────────────────── */

.article-sidebar {
    align-self: start;
    position: sticky;
    top: calc(var(--header-height, 70px) + 24px);
}

/* ─────────────────────────────────────────────────────────────────────────────
   Cards de relacionados — base compartilhada
   h3 no título: correto na hierarquia (h1 = post, h2 = conteúdo do editor)
   ───────────────────────────────────────────────────────────────────────────── */

.rel-card {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.rel-card__img-wrap {
    display: block;
    overflow: hidden;
    border-radius: 4px;
    aspect-ratio: 16/9;
    flex-shrink: 0;
    background: var(--color-bg-alt, #f7f7f7);
}

.rel-card__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform .3s ease;
}

.rel-card__img-wrap:hover .rel-card__img { transform: scale(1.05); }

.rel-card__body {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.rel-card__cat {
    font-family: var(--font-sans-post);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--color-primary, #c0392b);
    text-decoration: none;
    line-height: 1;
}

.rel-card__cat:hover { text-decoration: underline; }

.rel-card__title {
    font-family: var(--font-serif);
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    margin: 0;
    color: var(--color-heading, #0f0f0f);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.rel-card__title a {
    color: inherit;
    text-decoration: none;
    transition: color .15s;
}

.rel-card__title a:hover { color: var(--color-primary, #c0392b); }

.rel-card__time {
    font-family: var(--font-sans-post);
    font-size: 11px;
    color: var(--color-text-muted, #666);
}

/* ─────────────────────────────────────────────────────────────────────────────
   Relacionados Internos — "Leia também" (dentro do conteúdo)
   Sem background — apenas separadores horizontais (border-y)
   ───────────────────────────────────────────────────────────────────────────── */

.related-inline {
    margin: 36px 0;
    padding: 28px 0;
    border-top: 1px solid var(--color-border, #e8e8e8);
    border-bottom: 1px solid var(--color-border, #e8e8e8);
}

.related-inline__label {
    font-family: var(--font-sans-post);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: var(--color-primary, #c0392b);
    margin: 0 0 20px;
}

/* 3 colunas no desktop */
.related-inline__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Relacionados de Rodapé — "Veja também"
   Desktop: 4 colunas com cards com borda (igual à referência desktop)
   ───────────────────────────────────────────────────────────────────────────── */

.related-bottom {
    padding: 52px 0;
    margin-top: var(--section-gap, 70px);
    border-top: 1px solid var(--color-border, #e8e8e8);
}

.related-bottom .container {
    max-width: var(--content-width, 1100px);
    margin: 0 auto;
    padding: 0 var(--pad, 20px);
}

.related-bottom__heading {
    font-family: var(--font-serif);
    font-size: clamp(22px, 3vw, 32px);
    font-weight: 700;
    color: var(--color-heading, #0f0f0f);
    margin: 0 0 28px;
    letter-spacing: -.015em;
}

/* 4 colunas com cards com borda */
.related-bottom__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

/* Cards com borda — hover muda a borda para a cor primária */
.related-bottom .rel-card {
    border: 1px solid var(--color-border, #e8e8e8);
    border-radius: 4px;
    overflow: hidden;
    transition: border-color .2s;
    gap: 0;
}

.related-bottom .rel-card:hover { border-color: var(--color-primary, #c0392b); }

.related-bottom .rel-card__img-wrap { border-radius: 0; }

.related-bottom .rel-card__body {
    padding: 14px;
    gap: 6px;
}

.related-bottom .rel-card__title {
    font-size: 16px;
    -webkit-line-clamp: 3;
}

/* ─────────────────────────────────────────────────────────────────────────────
   Desktop ≥ 641px — blockquote com borda superior + inferior e texto centralizado
   ───────────────────────────────────────────────────────────────────────────── */

@media (min-width: 641px) {
    .article-content blockquote {
        border-left: none;
        border-top: 2px solid var(--color-primary, #c0392b);
        border-bottom: 2px solid var(--color-primary, #c0392b);
        padding: 32px 48px;
        text-align: center;
        margin: 40px 0;
    }

    .article-content blockquote cite { text-align: right; }
}

/* ─────────────────────────────────────────────────────────────────────────────
   Responsivo — Tablet ≤ 1024px: remove sidebar, reduz colunas do rodapé
   ───────────────────────────────────────────────────────────────────────────── */

@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .article-sidebar { display: none; }

    .related-bottom__grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
}

/* ─────────────────────────────────────────────────────────────────────────────
   Responsivo — Mobile ≤ 640px
   ───────────────────────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
    .article-layout {
        margin-top: 20px;
        padding: 0 var(--pad, 16px);
    }

    .article-header__top { gap: 8px; }
    .article-title { font-size: 28px; line-height: 1.2; }
    .article-meta { gap: 10px; }

    /* Imagem full-bleed: rompe o padding lateral do container */
    .article-thumb {
        margin-left:  calc(-1 * var(--pad, 16px));
        margin-right: calc(-1 * var(--pad, 16px));
        margin-top: 20px;
        margin-bottom: 24px;
    }

    .article-thumb__wrap {
        aspect-ratio: 16/9;
        border-radius: 0; /* sem borda no mobile full-bleed */
    }

    .article-thumb__caption {
        padding-left: var(--pad, 16px);
        padding-right: var(--pad, 16px);
        border-left: none;
        padding-left: 0;
        border: none;
    }

    /* Remove drop cap no mobile — layout estreito demais */
    .article-content > p:first-of-type::first-letter {
        font-size: inherit;
        font-family: inherit;
        font-weight: inherit;
        color: inherit;
        float: none;
        margin: 0;
    }

    .article-content h2 { margin-top: 32px; font-size: 20px; }
    .article-content h3 { margin-top: 24px; font-size: 17px; }
    .article-content h4 { margin-top: 20px; font-size: 15px; }

    .article-footer {
        flex-direction: column;
        gap: 16px;
    }

    /* ── Relacionados internos mobile: lista vertical de cards horizontais ── */
    .related-inline {
        padding: 20px 0;
        margin: 24px 0;
    }

    .related-inline__grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    /* Card horizontal: imagem 96×72 à esquerda */
    .related-inline .rel-card {
        flex-direction: row;
        gap: 12px;
        align-items: flex-start;
    }

    .related-inline .rel-card__img-wrap {
        flex: 0 0 96px;
        width: 96px;
        height: 72px;
        aspect-ratio: unset;
    }

    .related-inline .rel-card__title {
        font-size: 15px;
        -webkit-line-clamp: 3;
    }

    /* ── Relacionados rodapé mobile: lista com separadores ── */
    .related-bottom {
        padding: 28px 0;
        margin-top: var(--section-gap-mobile, 40px);
    }

    .related-bottom__heading {
        font-size: 22px;
        margin-bottom: 16px;
    }

    .related-bottom__grid {
        grid-template-columns: 1fr;
        gap: 0;
    }

    /* Cards horizontais sem borda lateral — apenas linha separadora */
    .related-bottom .rel-card {
        flex-direction: row;
        align-items: flex-start;
        gap: 14px;
        border: none;
        border-bottom: 1px solid var(--color-border, #e8e8e8);
        border-radius: 0;
        overflow: visible;
        padding: 16px 0;
    }

    .related-bottom .rel-card:last-child { border-bottom: none; }

    .related-bottom .rel-card:hover { border-color: var(--color-border, #e8e8e8); }

    .related-bottom .rel-card__img-wrap {
        flex: 0 0 110px;
        width: 110px;
        height: 72px;
        aspect-ratio: unset;
        border-radius: 4px;
    }

    .related-bottom .rel-card__body { padding: 0; }

    .related-bottom .rel-card__title {
        font-size: 15px;
        -webkit-line-clamp: 3;
    }
}