/* =====================================================================
   Blog do Simplu
   Herda variaveis e componentes (.nav, .btn, .container, .foot, [data-reveal])
   de style.css. Aqui mora so o que e especifico do blog.
   ===================================================================== */

/* ===================== Vitrine: topo ===================== */
.blog-hero {
  padding: 9.5rem 1.5rem 1rem;
  text-align: center;
}
.blog-hero .container { max-width: 50rem; }
.blog-eyebrow {
  display: block;
  font-size: 0.85rem; font-weight: 600; letter-spacing: -0.01em;
  color: var(--azul); margin-bottom: 1.1rem;
}
.blog-hero h1 {
  font-size: clamp(2.1rem, 4.4vw, 3.2rem);
  font-weight: 600; line-height: 1.08; letter-spacing: -0.035em; color: var(--ink);
}
.blog-hero .blog-lead {
  margin: 1.3rem auto 0; max-width: 38rem;
  font-size: clamp(1.05rem, 1.6vw, 1.22rem); line-height: 1.55; color: var(--ink-soft);
}

/* ===================== Vitrine: conteudo ===================== */
.blog-main { padding: clamp(2.5rem, 5vw, 4rem) 1.5rem clamp(5rem, 9vw, 7rem); }
.blog-main .container { max-width: 70rem; }

/* faixa visual (capa sem foto): gradiente da marca + grafico em marca d agua */
.post-thumb {
  position: relative; overflow: hidden;
  background: linear-gradient(135deg, #e8f0ff 0%, #f4f8ff 55%, #ffffff 100%);
  border-bottom: 1px solid var(--line);
}
.post-thumb svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.post-thumb .thumb-tag {
  position: absolute; top: 1rem; left: 1rem; z-index: 2;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--azul); background: rgba(255, 255, 255, 0.9);
  border: 1px solid rgba(50, 103, 255, 0.16); border-radius: 980px;
  padding: 0.3rem 0.7rem;
}

/* post em destaque (o artigo real) */
.feature-post {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: 0;
  background: #fff; border: 1px solid var(--line); border-radius: 22px; overflow: hidden;
  box-shadow: 0 24px 50px rgba(16, 18, 40, 0.08), 0 4px 14px rgba(16, 18, 40, 0.04);
  transition: transform 0.25s ease, box-shadow 0.3s ease;
}
.feature-post:hover { transform: translateY(-4px); box-shadow: 0 34px 66px rgba(16, 18, 40, 0.14), 0 8px 20px rgba(16, 18, 40, 0.06); }
.feature-post .post-thumb { min-height: 100%; border-bottom: none; border-right: 1px solid var(--line); }
.feature-body { padding: clamp(1.8rem, 3.5vw, 2.8rem); display: flex; flex-direction: column; align-items: flex-start; }
.feature-body .post-cat {
  font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--azul); margin-bottom: 1rem;
}
.feature-body h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.1rem); font-weight: 600; letter-spacing: -0.03em;
  line-height: 1.14; color: var(--ink); margin-bottom: 0.9rem;
}
.feature-body p { font-size: 1.05rem; line-height: 1.55; color: var(--ink-soft); margin-bottom: 1.6rem; }
.feature-body .post-meta { margin-top: auto; }
.feature-body .post-readmore {
  display: inline-flex; align-items: center; gap: 0.4rem; margin-top: 1.2rem;
  font-size: 0.95rem; font-weight: 600; color: var(--azul);
}
.feature-post:hover .post-readmore .arrow { transform: translateX(3px); }
.post-readmore .arrow { transition: transform 0.2s ease; }

/* meta comum (data e tempo de leitura) */
.post-meta { font-size: 0.85rem; color: var(--muted); display: flex; align-items: center; gap: 0.5rem; }
.post-meta .sep { width: 3px; height: 3px; border-radius: 50%; background: var(--muted); }

/* grade dos proximos posts */
.posts-next-title {
  text-align: center; margin: clamp(3.5rem, 6vw, 5rem) 0 2rem;
  font-size: 0.85rem; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted);
}
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.6rem; }
.post-card {
  display: flex; flex-direction: column;
  background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.post-card .post-thumb { aspect-ratio: 16 / 9; }
.post-card-body { padding: 1.3rem 1.4rem 1.5rem; display: flex; flex-direction: column; flex: 1; }
.post-card .post-cat {
  font-size: 0.74rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--azul); margin-bottom: 0.7rem;
}
.post-card h3 { font-size: 1.12rem; font-weight: 600; letter-spacing: -0.02em; line-height: 1.25; color: var(--ink); margin-bottom: 0.5rem; }
.post-card p { font-size: 0.92rem; line-height: 1.5; color: var(--ink-soft); margin-bottom: 1.2rem; }
.post-card .post-meta { margin-top: auto; }

/* cartao ainda sem artigo (proximo conteudo) */
.post-card.is-soon { cursor: default; }
.post-card.is-soon .post-thumb { background: linear-gradient(135deg, #f3f4f8 0%, #fafafc 60%, #ffffff 100%); }
.post-card.is-soon .post-cat { color: var(--muted); }
.post-card.is-soon .soon-flag {
  margin-top: auto; font-size: 0.78rem; font-weight: 600; color: var(--muted);
  display: inline-flex; align-items: center; gap: 0.4rem;
}
a.post-card:hover { transform: translateY(-4px); box-shadow: 0 24px 46px rgba(16, 18, 40, 0.1); border-color: rgba(50, 103, 255, 0.25); }

@media (max-width: 880px) {
  .feature-post { grid-template-columns: 1fr; }
  .feature-post .post-thumb { border-right: none; border-bottom: 1px solid var(--line); aspect-ratio: 16 / 9; min-height: 0; }
  .post-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .post-grid { grid-template-columns: 1fr; }
  .blog-hero { padding-top: 7.5rem; }
}

/* ===================== Artigo ===================== */
.article { padding: 8.5rem 1.5rem 0; }
/* Cabeçalho alinhado à esquerda: título, linha fina e a assinatura do autor
   compartilham a mesma margem, em vez de tudo centralizado (a assinatura
   centralizada ficava solta sob o título). */
.article-head { max-width: 46rem; margin: 0 auto; text-align: left; }
.article-eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase;
  color: var(--azul); margin-bottom: 1.1rem;
}
.article-head h1 {
  font-size: clamp(2rem, 4.4vw, 3.1rem); font-weight: 600; line-height: 1.1; letter-spacing: -0.035em; color: var(--ink);
}
.article-head .article-sub {
  margin: 1.3rem 0 0; max-width: 40rem;
  font-size: clamp(1.1rem, 1.7vw, 1.3rem); line-height: 1.5; color: var(--ink-soft); font-weight: 400;
}
.article-byline {
  display: flex; align-items: center; justify-content: flex-start; gap: 0.75rem;
  margin-top: 2rem; padding-bottom: 0.5rem;
}
.article-byline img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; object-position: 50% 15%; border: 1px solid var(--line); }
.article-byline .by-name { font-size: 0.92rem; font-weight: 600; color: var(--ink); }
.article-byline .by-meta { font-size: 0.82rem; color: var(--muted); }

/* capa do artigo (gradiente + grafico, sem foto) */
.article-cover {
  position: relative; max-width: 60rem; margin: 2.5rem auto 0;
  aspect-ratio: 21 / 9; border-radius: 22px; overflow: hidden;
  border: 1px solid var(--line);
  background: linear-gradient(135deg, #e8f0ff 0%, #f4f8ff 55%, #ffffff 100%);
  box-shadow: 0 30px 60px rgba(16, 18, 40, 0.1), 0 4px 14px rgba(16, 18, 40, 0.05);
}
.article-cover svg { position: absolute; inset: 0; width: 100%; height: 100%; }

/* corpo de leitura */
.article-body {
  max-width: 42rem; margin: clamp(2.8rem, 5vw, 4rem) auto 0;
  font-size: 1.16rem; line-height: 1.78; color: #34353f;
}
.article-body > p { margin-bottom: 1.45rem; }
.article-body h2 {
  font-size: clamp(1.5rem, 2.6vw, 1.95rem); font-weight: 600; letter-spacing: -0.025em; line-height: 1.18;
  color: var(--ink); margin: 2.8rem 0 1.1rem;
}
.article-body h3 {
  font-size: 1.25rem; font-weight: 600; letter-spacing: -0.02em; color: var(--ink); margin: 2rem 0 0.8rem;
}
.article-body strong { font-weight: 600; color: var(--ink); }
.article-body em { font-style: italic; }
.article-body a { color: var(--azul); text-decoration: underline; text-underline-offset: 2px; }
.article-body ul { list-style: none; margin: 0 0 1.45rem; padding: 0; display: flex; flex-direction: column; gap: 1rem; }
.article-body ul li { position: relative; padding-left: 1.7rem; }
.article-body ul li::before {
  content: ""; position: absolute; left: 0.2rem; top: 0.62em;
  width: 0.55rem; height: 0.55rem; border-radius: 50%; background: var(--azul);
}

/* primeira letra: leve destaque editorial no primeiro paragrafo */
.article-body > p.lede { font-size: 1.28rem; line-height: 1.6; color: var(--ink); }

/* caixa de formula / destaque */
.article-callout {
  margin: 2rem 0; padding: 1.8rem 1.6rem; text-align: center;
  background: #f4f7ff; border: 1px solid rgba(50, 103, 255, 0.16); border-radius: 18px;
}
.article-callout .formula {
  font-size: clamp(1.05rem, 2.4vw, 1.4rem); font-weight: 600; letter-spacing: -0.01em; color: var(--ink);
  line-height: 1.5;
}
.article-callout .formula .x { color: var(--azul); margin: 0 0.35em; font-weight: 700; }
.article-callout .formula .eq { color: var(--azul); margin: 0 0.35em; font-weight: 700; }
.article-callout .formula .res { color: var(--azul); }
.article-callout .formula-note { margin-top: 0.7rem; font-size: 0.92rem; color: var(--ink-soft); font-weight: 400; }

/* citacao de respiro */
.article-body blockquote {
  margin: 2rem 0; padding: 0.4rem 0 0.4rem 1.4rem;
  border-left: 3px solid var(--azul);
  font-size: clamp(1.25rem, 2.4vw, 1.55rem); line-height: 1.35; letter-spacing: -0.02em;
  font-weight: 500; color: var(--ink);
}

/* CTA no fim do artigo */
.article-cta {
  max-width: 46rem; margin: clamp(3.5rem, 6vw, 5rem) auto 0; padding: clamp(2.2rem, 4vw, 3rem);
  text-align: center; border-radius: 22px;
  background: linear-gradient(160deg, #f0f5ff 0%, #f7faff 60%, #ffffff 100%);
  border: 1px solid rgba(50, 103, 255, 0.16);
}
.article-cta h2 { font-size: clamp(1.5rem, 2.8vw, 2rem); font-weight: 600; letter-spacing: -0.03em; line-height: 1.14; color: var(--ink); margin-bottom: 0.9rem; }
.article-cta p { max-width: 32rem; margin: 0 auto 1.7rem; font-size: 1.08rem; line-height: 1.55; color: var(--ink-soft); }

/* FAQ do artigo: reaproveita o acordeão da home (.faq-item, summary, .faq-mark,
   .faq-answer, do style.css), mas na largura do texto do artigo e com o título
   alinhado à esquerda. Bom para SEO (rich result) e para GEO (respostas de IA). */
.article-faq { max-width: 42rem; margin: clamp(3rem, 5vw, 4.5rem) auto 0; }
.article-faq > h2 {
  font-size: clamp(1.5rem, 2.6vw, 1.95rem); font-weight: 600;
  letter-spacing: -0.025em; line-height: 1.18; color: var(--ink); margin-bottom: 1.2rem;
}

/* rodape do artigo: autor + voltar */
.article-foot { max-width: 42rem; margin: clamp(3.5rem, 6vw, 5rem) auto 0; padding: 2.2rem 0 0; border-top: 1px solid var(--line); }
.article-author { display: flex; align-items: center; gap: 1rem; }
.article-author img { width: 60px; height: 60px; border-radius: 50%; object-fit: cover; object-position: 50% 15%; border: 1px solid var(--line); flex: none; }
.article-author .au-name { font-size: 1.02rem; font-weight: 600; color: var(--ink); }
.article-author .au-bio { font-size: 0.92rem; line-height: 1.45; color: var(--ink-soft); margin-top: 0.15rem; }
.article-back { display: block; text-align: center; margin: clamp(3rem, 5vw, 4rem) auto clamp(4rem, 8vw, 6rem); }
.article-back a { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.95rem; font-weight: 600; color: var(--azul); }

@media (max-width: 560px) {
  .article { padding-top: 7rem; }
  .article-body { font-size: 1.08rem; }
  .article-cover { aspect-ratio: 16 / 10; }
}