/* Estilos especificos do blog - reaproveita as variaveis de cor e os
   componentes (.container, header, footer, .btn) definidos em /css/style.css,
   ja carregado antes deste arquivo. */

/* Fundo escuro no topo, igual ao .hero da home - o header é semi-transparente
   com desfoque, pensado pra ficar sobre um fundo escuro logo abaixo. Sem
   isso, o texto claro do menu perde contraste contra o fundo claro do resto
   do site e fica quase ilegível. */
.blog-hero {
  background: var(--navy-950);
  color: var(--on-dark);
  padding: 64px 0 32px;
  text-align: center;
}
.blog-hero h1 {
  font-size: 40px;
  color: var(--on-dark);
  margin-bottom: 12px;
}
.blog-hero p {
  color: var(--on-dark-muted);
  font-size: 16px;
  max-width: 560px;
  margin: 0 auto;
}

/* Mesmo tratamento no topo da página de artigo (ver article-hero abaixo) */
.article-hero {
  background: var(--navy-950);
  color: var(--on-dark);
  padding: 40px 0 48px;
}
.article-hero .container { max-width: 720px; }
.article-hero .article-back { color: var(--on-dark-muted); }
.article-hero .article-back:hover { color: #fff; }
.article-hero h1 { color: var(--on-dark); }
.article-hero .article-meta { color: var(--on-dark-muted); }

/* ===== FILTRO POR PRODUTO ===== */
.blog-filters {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin: 28px 0 44px;
}
.blog-filter {
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--ink-muted);
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color .2s, color .2s;
}
.blog-filter:hover { border-color: var(--primary); color: var(--primary); }
.blog-filter.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ===== GRID DE POSTS ===== */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  padding-bottom: 72px;
}
.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px;
  text-decoration: none;
  transition: transform .2s, border-color .2s;
}
.blog-card:hover { transform: translateY(-4px); border-color: var(--primary); }
.blog-card-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 12px;
}
.blog-card h2 {
  font-size: 19px;
  color: var(--ink);
  margin-bottom: 10px;
}
.blog-card p {
  font-size: 14px;
  color: var(--ink-muted);
  line-height: 1.6;
  flex: 1;
}
.blog-card .blog-card-date {
  margin-top: 16px;
  font-size: 12.5px;
  color: var(--ink-muted);
}

/* ===== PAGINA DE ARTIGO ===== */
.article-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}
.article-tag {
  display: inline-block;
  font-size: 12.5px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: .5px;
  margin-bottom: 14px;
}
.article-hero h1 {
  font-size: 34px;
  line-height: 1.25;
  margin-bottom: 14px;
}
.article-meta {
  font-size: 13.5px;
}
.article-body {
  font-size: 16.5px;
  line-height: 1.75;
  color: var(--ink);
}
.article-body h2 {
  font-size: 23px;
  margin: 36px 0 14px;
  color: var(--ink);
}
.article-body h3 {
  font-size: 18px;
  margin: 28px 0 10px;
  color: var(--ink);
}
.article-body p { margin-bottom: 18px; }
.article-body ul, .article-body ol { margin: 0 0 18px 22px; }
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--ink); }

.article-cta {
  background: var(--blue-050);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 26px;
  margin: 36px 0;
  text-align: center;
}
.article-cta p {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: 15.5px;
  font-weight: 600;
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--ink-muted);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 8px;
}
.article-back:hover { color: var(--primary); }

@media (max-width: 640px) {
  .blog-hero h1 { font-size: 28px; }
  .article-wrap h1 { font-size: 26px; }
}