/* ==========================================================================
   NEXUM - BLOG (índice e artigos)
   Usa as variáveis de /assets/css/style.css
   ========================================================================== */

.blog-page { --line: rgba(148, 163, 184, .14); }

/* Cabeçalho sempre legível sobre a foto de capa */
.blog-page header { background: linear-gradient(180deg, rgba(5,10,17,.85), rgba(5,10,17,0)); }

/* --- Etiquetas de categoria --- */
.chip {
    display: inline-flex; align-items: center; gap: .45rem;
    font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
    color: var(--accent-cyan); background: rgba(0, 211, 255, .1);
    border: 1px solid rgba(0, 211, 255, .3); padding: .35rem .8rem; border-radius: 999px;
    backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}

/* ==========================================================================
   ÍNDICE DO BLOG
   ========================================================================== */
.blog-hero { position: relative; padding: 150px 0 50px; text-align: center; overflow: hidden; }
.blog-hero::before {
    content: ''; position: absolute; inset: -40% -10% auto; height: 520px; z-index: -1;
    background: radial-gradient(ellipse at center, rgba(0, 211, 255, .14), transparent 65%);
}
.blog-hero h1 {
    margin-top: 1.2rem; font-family: var(--font-heading); font-weight: 800;
    font-size: clamp(2.1rem, 5vw, 3.4rem); line-height: 1.1; color: var(--text-primary);
}
.blog-hero p { margin: 1rem auto 0; max-width: 620px; color: var(--text-secondary); font-size: 1.05rem; }

.filtros { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem; margin-top: 2.2rem; }
.filtro {
    font-family: var(--font-heading); font-size: .9rem; font-weight: 600; cursor: pointer;
    color: var(--text-secondary); background: var(--bg-surface); border: 1px solid var(--line);
    padding: .55rem 1.15rem; border-radius: 999px; transition: var(--transition-fast);
}
.filtro:hover { color: var(--text-primary); border-color: rgba(0, 211, 255, .4); }
.filtro.ativo { color: #04101d; background: var(--accent-cyan); border-color: var(--accent-cyan); box-shadow: var(--glow-cyan); }

/* Post em destaque */
.destaque {
    position: relative; display: grid; grid-template-columns: 1.25fr 1fr; margin-top: 1rem;
    background: var(--bg-surface); border: 1px solid var(--line); border-radius: var(--radius-lg);
    overflow: hidden; color: inherit; transition: var(--transition-normal);
}
.destaque:hover { border-color: rgba(0, 211, 255, .45); box-shadow: 0 20px 60px rgba(0, 0, 0, .45), var(--glow-blue); }
.destaque .foto { position: relative; min-height: 360px; overflow: hidden; }
.destaque .foto img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .8s ease; }
.destaque:hover .foto img { transform: scale(1.05); }
.destaque .foto::after { content: ''; position: absolute; inset: 0; background: linear-gradient(90deg, transparent 55%, var(--bg-surface)); }
.destaque .selo {
    position: absolute; top: 1.2rem; left: 1.2rem; z-index: 1; font-size: .7rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: .08em; color: #04101d; background: var(--accent-cyan);
    padding: .35rem .75rem; border-radius: 999px;
}
.destaque .texto { padding: 2.6rem 2.6rem 2.6rem 1.6rem; display: flex; flex-direction: column; justify-content: center; }
.destaque h2 {
    margin-top: 1rem; font-family: var(--font-heading); font-weight: 700;
    font-size: clamp(1.5rem, 2.6vw, 2.1rem); line-height: 1.2; color: var(--text-primary);
}
.destaque p.resumo { margin-top: 1rem; color: var(--text-secondary); line-height: 1.7; }
.ler-mais { margin-top: 1.6rem; font-family: var(--font-heading); font-weight: 600; color: var(--accent-cyan); display: inline-flex; align-items: center; gap: .5rem; }
.ler-mais i { transition: transform var(--transition-fast); }
a:hover .ler-mais i { transform: translateX(4px); }

.meta { display: flex; flex-wrap: wrap; align-items: center; gap: .4rem .9rem; margin-top: 1rem; font-size: .8rem; color: var(--text-muted); }
.meta i { color: var(--accent-cyan); opacity: .8; margin-right: .3rem; }

/* Grade de posts */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; padding: 1.8rem 0 90px; }
.post-card {
    display: flex; flex-direction: column; background: var(--bg-surface); border: 1px solid var(--line);
    border-radius: var(--radius-md); overflow: hidden; color: inherit; transition: var(--transition-normal);
}
.post-card:hover { transform: translateY(-6px); border-color: rgba(0, 211, 255, .45); box-shadow: 0 18px 40px rgba(0, 0, 0, .4), var(--glow-blue); }
.post-card .foto { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-surface-light); }
.post-card .foto img { width: 100%; height: 100%; object-fit: cover; transition: transform .7s ease; }
.post-card:hover .foto img { transform: scale(1.07); }
.post-card .foto .chip { position: absolute; left: .9rem; bottom: .9rem; background: rgba(5, 10, 17, .7); }
.post-card .corpo { padding: 1.4rem 1.5rem 1.6rem; display: flex; flex-direction: column; flex: 1; }
.post-card h3 { font-family: var(--font-heading); font-size: 1.2rem; font-weight: 700; line-height: 1.3; color: var(--text-primary); }
.post-card p.resumo { margin-top: .7rem; color: var(--text-secondary); font-size: .92rem; line-height: 1.6; flex: 1; }
.post-card .meta { margin-top: 1.2rem; padding-top: 1rem; border-top: 1px solid var(--line); }
.post-card.oculto, .destaque.oculto { display: none; }
.sem-posts { display: none; grid-column: 1 / -1; text-align: center; color: var(--text-muted); padding: 2rem 0; }

/* Faixa de chamada */
.blog-cta { padding: 0 0 100px; }
.blog-cta .caixa {
    position: relative; overflow: hidden; border-radius: var(--radius-lg); padding: 3.4rem 2rem; text-align: center;
    background: linear-gradient(135deg, rgba(0, 211, 255, .14), rgba(10, 102, 194, .22)), var(--bg-surface);
    border: 1px solid rgba(0, 211, 255, .25);
}
.blog-cta h2 { font-family: var(--font-heading); font-size: clamp(1.5rem, 3vw, 2rem); color: var(--text-primary); }
.blog-cta p { margin-top: .6rem; color: var(--text-secondary); }
.blog-cta .hero-cta { margin-top: 1.8rem; justify-content: center; }

/* ==========================================================================
   ARTIGO
   ========================================================================== */
.barra-leitura {
    position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 1001;
    background: var(--brand-gradient); box-shadow: var(--glow-cyan);
}

.capa { position: relative; min-height: 560px; display: flex; align-items: flex-end; padding: 140px 0 56px; overflow: hidden; }
.capa > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; }
.capa::after {
    content: ''; position: absolute; inset: 0; z-index: -1;
    background: linear-gradient(180deg, rgba(5, 10, 17, .55) 0%, rgba(5, 10, 17, .7) 45%, var(--bg-main) 100%);
}
.capa .voltar { display: inline-flex; align-items: center; gap: .5rem; font-size: .85rem; font-weight: 600; color: var(--text-primary); opacity: .85; margin-bottom: 1.4rem; }
.capa .voltar:hover { opacity: 1; color: var(--accent-cyan); }
.capa h1 {
    max-width: 860px; margin-top: 1rem; font-family: var(--font-heading); font-weight: 800;
    font-size: clamp(2rem, 4.6vw, 3.3rem); line-height: 1.12; color: #fff; text-shadow: 0 2px 30px rgba(0, 0, 0, .5);
}
.capa .linha-fina { max-width: 720px; margin-top: 1rem; font-size: 1.1rem; color: #cbd5e1; line-height: 1.6; }
.capa .meta { font-size: .85rem; color: #cbd5e1; }
.capa .autor { display: inline-flex; align-items: center; gap: .55rem; font-weight: 600; color: #fff; }
.capa .autor img { width: 30px; height: 30px; border-radius: 50%; object-fit: cover; object-position: left; background: var(--bg-surface); border: 1px solid rgba(0, 211, 255, .4); padding: 3px; }

.leitura { display: grid; grid-template-columns: minmax(0, 720px) 240px; justify-content: center; gap: 4rem; padding-top: 20px; padding-bottom: 80px; }

.artigo { min-width: 0; }
.artigo > p:first-child { font-size: 1.15rem; color: var(--text-primary); line-height: 1.8; }
.artigo h2 { font-family: var(--font-heading); font-size: 1.55rem; line-height: 1.3; color: var(--text-primary); margin: 2.8rem 0 1rem; scroll-margin-top: 100px; }
.artigo h2::before { content: ''; display: block; width: 36px; height: 3px; border-radius: 3px; background: var(--brand-gradient); margin-bottom: .9rem; }
.artigo p { color: var(--text-secondary); line-height: 1.85; margin-bottom: 1.15rem; font-size: 1.02rem; }
.artigo strong { color: var(--text-primary); }
.artigo ul, .artigo ol { padding-left: 1.3rem; margin-bottom: 1.3rem; }
.artigo li { color: var(--text-secondary); line-height: 1.75; margin-bottom: .6rem; }
.artigo li::marker { color: var(--accent-cyan); }

.artigo figure { margin: 2.2rem 0; }
.artigo figure img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--radius-md); border: 1px solid var(--line); box-shadow: 0 20px 50px rgba(0, 0, 0, .45); }
.artigo figcaption { margin-top: .7rem; font-size: .8rem; color: var(--text-muted); text-align: center; }

.icon-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin: 0 0 1.6rem; }
.icon-card { background: var(--bg-surface); border: 1px solid var(--line); border-radius: var(--radius-md); padding: 1.3rem; transition: var(--transition-fast); }
.icon-card:hover { border-color: rgba(0, 211, 255, .35); transform: translateY(-2px); }
.icon-card i {
    width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; margin-bottom: .9rem;
    color: var(--accent-cyan); font-size: 1.1rem; background: rgba(0, 211, 255, .1); border: 1px solid rgba(0, 211, 255, .25);
}
.icon-card h4 { font-family: var(--font-heading); font-size: 1rem; color: var(--text-primary); margin-bottom: .4rem; }
.icon-card p { color: var(--text-muted); font-size: .86rem; line-height: 1.55; margin: 0; }

.table-wrap { overflow-x: auto; margin: 1.6rem 0; border-radius: var(--radius-md); border: 1px solid var(--line); background: var(--bg-surface); }
table.comp { width: 100%; border-collapse: collapse; font-size: .9rem; }
table.comp th, table.comp td { padding: .85rem 1rem; border-bottom: 1px solid var(--line); text-align: left; color: var(--text-secondary); vertical-align: top; }
table.comp tr:last-child td { border-bottom: 0; }
table.comp th { font-size: .72rem; text-transform: uppercase; letter-spacing: .06em; color: var(--accent-cyan); background: rgba(0, 211, 255, .06); }
table.comp td:first-child { color: var(--text-primary); font-weight: 600; }

.cta-box {
    display: flex; align-items: center; gap: 1.1rem; margin: 2.6rem 0; padding: 1.4rem 1.6rem;
    background: linear-gradient(135deg, rgba(0, 211, 255, .1), rgba(10, 102, 194, .12)); border: 1px solid rgba(0, 211, 255, .28);
    border-left: 4px solid var(--accent-cyan); border-radius: var(--radius-md);
}
.cta-box::before { content: '\f0eb'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 1.4rem; color: var(--accent-cyan); }
.cta-box p { margin: 0; color: var(--text-primary); }
.cta-box a { color: var(--accent-cyan); font-weight: 700; white-space: nowrap; }

.compartilhar { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin-top: 2.8rem; padding-top: 1.6rem; border-top: 1px solid var(--line); }
.compartilhar span { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); margin-right: .4rem; }
.compartilhar a, .compartilhar button {
    width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%; cursor: pointer; font-size: 1rem;
    color: var(--text-primary); background: var(--bg-surface); border: 1px solid var(--line); transition: var(--transition-fast);
}
.compartilhar a:hover, .compartilhar button:hover { color: #04101d; background: var(--accent-cyan); border-color: var(--accent-cyan); }
.compartilhar .copiado { width: auto; padding: 0 1rem; border-radius: 999px; font-size: .8rem; font-weight: 600; }

.cta-final {
    position: relative; overflow: hidden; margin-top: 2.6rem; padding: 2.8rem 2rem; text-align: center; border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(0, 211, 255, .16), rgba(10, 102, 194, .24)), var(--bg-surface); border: 1px solid rgba(0, 211, 255, .25);
}
.cta-final h3 { font-family: var(--font-heading); color: var(--text-primary); font-size: 1.5rem; }
.cta-final p { color: var(--text-secondary); margin-top: .5rem; }
.cta-final .hero-cta { margin-top: 1.5rem; justify-content: center; }

/* Sumário lateral */
.sumario { position: sticky; top: 110px; align-self: start; }
.sumario p.rotulo { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); margin-bottom: 1rem; }
.sumario ol { list-style: none; border-left: 1px solid var(--line); }
.sumario a { display: block; padding: .45rem 0 .45rem 1rem; margin-left: -1px; border-left: 2px solid transparent; font-size: .86rem; line-height: 1.4; color: var(--text-muted); transition: var(--transition-fast); }
.sumario a:hover { color: var(--text-primary); }
.sumario a.ativo { color: var(--accent-cyan); border-left-color: var(--accent-cyan); }

/* Continue lendo */
.relacionados { padding: 10px 0 100px; }
.relacionados h2 { font-family: var(--font-heading); font-size: 1.6rem; color: var(--text-primary); margin-bottom: 1.4rem; }
.relacionados .post-grid { padding: 0; }

/* ==========================================================================
   RESPONSIVO
   ========================================================================== */
@media (max-width: 1024px) {
    .post-grid { grid-template-columns: repeat(2, 1fr); }
    .leitura { grid-template-columns: minmax(0, 720px); }
    .sumario { display: none; }
}
@media (max-width: 768px) {
    .destaque { grid-template-columns: 1fr; }
    .destaque .foto { min-height: 0; aspect-ratio: 16 / 9; }
    .destaque .foto::after { background: linear-gradient(180deg, transparent 60%, var(--bg-surface)); }
    .destaque .texto { padding: 1.4rem 1.5rem 1.8rem; }
    .post-grid { grid-template-columns: 1fr; }
    .icon-grid { grid-template-columns: 1fr; }
    .capa { min-height: 480px; padding-bottom: 36px; }
    .cta-box { flex-direction: column; align-items: flex-start; }
    .cta-box a { white-space: normal; }
    .filtros { flex-wrap: nowrap; justify-content: flex-start; overflow-x: auto; padding-bottom: .4rem; margin-left: -20px; margin-right: -20px; padding-left: 20px; padding-right: 20px; scrollbar-width: none; }
    .filtro { flex: 0 0 auto; }
}
@media (prefers-reduced-motion: reduce) {
    .post-card, .destaque, .post-card .foto img, .destaque .foto img { transition: none; }
}

/* Fontes citadas no fim do artigo */
.fontes { margin-top: 2.6rem; padding: 1.2rem 1.4rem; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--bg-surface); }
.fontes .rotulo { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); margin-bottom: .6rem; }
.fontes ul { margin: 0; padding-left: 1.1rem; }
.fontes li { font-size: .88rem; margin-bottom: .35rem; }
.fontes a { color: var(--accent-cyan); word-break: break-word; }
.fontes a:hover { text-decoration: underline; }
.capa .credito-capa { margin-top: 1rem; font-size: .72rem; color: #94a3b8; opacity: .8; }