/* ═══════════════════════════════════════════════════════════
   Nexo — Blog — blog.css
   Mesma identidade do site: base clara Apple-style, preto e dourado.
   Leitura longa: corpo 17px, linha 1.7, medida ~70ch.
   ═══════════════════════════════════════════════════════════ */

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

:root {
  --bg:        #F5F5F7;
  --bg2:       #ECECEF;
  --black:     #0D0D0D;
  --gray:      #6E6E73;
  --gray2:     #A1A1A6;
  --card-bg:   #FFFFFF;
  --card-dark: #141414;
  --gold:      #FEC80C;
  --white:     #FFFFFF;
  --border:    rgba(0,0,0,0.08);
  --shadow:    0 2px 24px rgba(0,0,0,0.07);
  --radius:    20px;
  --font-display: 'General Sans', 'Satoshi', 'Inter', sans-serif;
  --font:         'Satoshi', 'General Sans', 'Inter', 'Helvetica Neue', Arial, sans-serif;
}

html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--black);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; }
a { color: inherit; }

/* ── Nav ─────────────────────────────── */
.blog-nav {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 40px; max-width: 1120px; margin: 0 auto;
}
.blog-nav img { height: 26px; width: auto; display: block; }
.blog-nav-links { display: flex; gap: 24px; align-items: center; font-size: 14px; font-weight: 600; }
.blog-nav-links a { text-decoration: none; color: var(--gray); transition: color .2s ease; }
.blog-nav-links a:hover, .blog-nav-links a:focus-visible { color: var(--black); }
.blog-nav-links a.ativo { color: var(--black); }
.blog-nav-cta {
  background: var(--black); color: var(--white) !important; padding: 10px 20px;
  border-radius: 999px; font-weight: 600;
}
.blog-nav-cta:hover { background: #262626; }

/* ── Cabeçalho da listagem ───────────── */
.blog-hero { max-width: 1120px; margin: 0 auto; padding: 72px 40px 40px; }
.blog-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 12px; font-weight: 700;
  letter-spacing: .12em; text-transform: uppercase; color: var(--gray); margin-bottom: 20px;
}
.blog-eyebrow::before { content: ''; width: 22px; height: 2px; background: var(--gold); }
.blog-hero h1 {
  font-family: var(--font-display); font-weight: 600; font-size: clamp(34px, 5vw, 52px);
  letter-spacing: -0.02em; line-height: 1.1; max-width: 720px;
}
.blog-hero p { margin-top: 18px; font-size: 17px; line-height: 1.6; color: var(--gray); max-width: 620px; }

/* ── Grade de artigos ────────────────── */
.blog-grid {
  max-width: 1120px; margin: 0 auto; padding: 24px 40px 96px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
}
.post-card {
  background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; display: flex; flex-direction: column; gap: 14px;
  text-decoration: none; transition: transform .25s ease, box-shadow .25s ease;
  cursor: pointer;
}
.post-card:hover, .post-card:focus-visible { transform: translateY(-4px); box-shadow: var(--shadow); }
.post-card.destaque { grid-column: span 3; background: var(--card-dark); color: var(--white); }
.post-card.destaque .post-titulo { font-size: clamp(24px, 3vw, 34px); max-width: 760px; }
.post-card.destaque .post-resumo { color: rgba(255,255,255,.65); max-width: 680px; }
.post-meta { display: flex; gap: 10px; align-items: center; font-size: 12.5px; font-weight: 600; color: var(--gray2); }
.post-tag {
  background: rgba(254,200,12,.16); color: #8A6D00; border-radius: 999px;
  padding: 4px 12px; font-size: 12px; font-weight: 700; letter-spacing: .02em;
}
.post-card.destaque .post-tag { background: rgba(254,200,12,.2); color: var(--gold); }
.post-titulo {
  font-family: var(--font-display); font-weight: 600; font-size: 19px;
  line-height: 1.3; letter-spacing: -0.01em;
}
.post-resumo { font-size: 14.5px; line-height: 1.6; color: var(--gray); }
.post-ler { margin-top: auto; font-size: 14px; font-weight: 700; }
.post-ler::after { content: ' →'; }

/* ── Artigo ──────────────────────────── */
.artigo-wrap { max-width: 760px; margin: 0 auto; padding: 56px 24px 40px; }
.artigo-header .post-meta { margin-bottom: 18px; }
.artigo-header h1 {
  font-family: var(--font-display); font-weight: 600; font-size: clamp(30px, 4.6vw, 44px);
  letter-spacing: -0.02em; line-height: 1.15;
}
.artigo-header .artigo-desc { margin-top: 16px; font-size: 18px; line-height: 1.6; color: var(--gray); }
.artigo-autor-linha {
  display: flex; align-items: center; gap: 12px; margin-top: 28px; padding-bottom: 28px;
  border-bottom: 1px solid var(--border); font-size: 14px;
}
.artigo-autor-linha img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; }
.artigo-autor-linha a { font-weight: 700; text-decoration: none; }
.artigo-autor-linha a:hover { text-decoration: underline; }
.artigo-autor-linha .datas { color: var(--gray2); font-size: 13px; }

.artigo-corpo { padding-top: 8px; font-size: 17px; line-height: 1.7; }
.artigo-corpo > * + * { margin-top: 22px; }
.artigo-corpo h2 {
  font-family: var(--font-display); font-weight: 600; font-size: 27px; letter-spacing: -0.015em;
  line-height: 1.25; margin-top: 52px;
}
.artigo-corpo h3 { font-family: var(--font-display); font-weight: 600; font-size: 21px; margin-top: 36px; }
.artigo-corpo p { color: #2B2B2E; }
.artigo-corpo a { color: #8A6D00; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.artigo-corpo ul, .artigo-corpo ol { padding-left: 24px; }
.artigo-corpo li { margin-top: 10px; color: #2B2B2E; }
.artigo-corpo strong { font-weight: 700; color: var(--black); }
.artigo-corpo blockquote {
  border-left: 3px solid var(--gold); padding: 4px 0 4px 20px; color: var(--gray); font-size: 16.5px;
}
.artigo-corpo table { width: 100%; border-collapse: collapse; font-size: 15px; display: block; overflow-x: auto; }
.artigo-corpo th, .artigo-corpo td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.artigo-corpo th { background: var(--bg2); font-weight: 700; }

/* FAQ do artigo */
.artigo-faq { margin-top: 56px; }
.artigo-faq h2 { margin-top: 0; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary {
  list-style: none; cursor: pointer; padding: 20px 40px 20px 0; position: relative;
  font-weight: 600; font-size: 16.5px; transition: color .2s ease;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: #8A6D00; }
.faq-item summary::after {
  content: ''; position: absolute; right: 6px; top: 50%; width: 11px; height: 11px;
  border-right: 2px solid var(--gray2); border-bottom: 2px solid var(--gray2);
  transform: rotate(45deg) translateY(-50%); transition: transform .3s ease;
}
.faq-item[open] summary::after { transform: rotate(-135deg); }
.faq-a { padding: 0 40px 20px 0; }
.faq-a p { font-size: 15.5px; line-height: 1.65; color: var(--gray); }

/* Caixa de autor (fim do artigo) */
.autor-box {
  margin-top: 64px; background: var(--card-bg); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px; display: flex; gap: 20px; align-items: flex-start;
}
.autor-box img { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.autor-box h3 { font-family: var(--font-display); font-size: 17px; font-weight: 600; }
.autor-box h3 a { text-decoration: none; }
.autor-box h3 a:hover { text-decoration: underline; }
.autor-box .autor-cargo { font-size: 13px; font-weight: 700; color: var(--gray2); margin: 2px 0 10px; }
.autor-box p { font-size: 14.5px; line-height: 1.6; color: var(--gray); }

/* CTA final do artigo */
.artigo-cta {
  margin-top: 40px; background: var(--card-dark); color: var(--white);
  border-radius: var(--radius); padding: 40px; text-align: center;
}
.artigo-cta h2 { font-family: var(--font-display); font-weight: 600; font-size: 26px; letter-spacing: -0.015em; }
.artigo-cta p { margin-top: 12px; font-size: 15.5px; line-height: 1.6; color: rgba(255,255,255,.65); max-width: 520px; margin-left: auto; margin-right: auto; }
.btn-gold {
  display: inline-block; margin-top: 24px; background: var(--gold); color: var(--black);
  font-weight: 700; font-size: 15px; padding: 14px 28px; border-radius: 999px;
  text-decoration: none; transition: filter .2s ease; cursor: pointer;
}
.btn-gold:hover, .btn-gold:focus-visible { filter: brightness(1.06); }

/* ── Página de autor ─────────────────── */
.autor-hero { max-width: 760px; margin: 0 auto; padding: 72px 24px 24px; display: flex; gap: 28px; align-items: center; }
.autor-hero img { width: 110px; height: 110px; border-radius: 50%; object-fit: cover; }
.autor-hero h1 { font-family: var(--font-display); font-weight: 600; font-size: 34px; letter-spacing: -0.02em; }
.autor-hero .autor-cargo { font-size: 14px; font-weight: 700; color: var(--gray); margin-top: 4px; }
.autor-bio { max-width: 760px; margin: 0 auto; padding: 8px 24px 64px; font-size: 16.5px; line-height: 1.7; }
.autor-bio > * + * { margin-top: 18px; }
.autor-bio p { color: #2B2B2E; }
.autor-bio a { color: #8A6D00; font-weight: 600; }

/* ── Footer ──────────────────────────── */
.blog-footer {
  border-top: 1px solid var(--border); padding: 32px 40px; text-align: center;
  font-size: 13.5px; color: var(--gray2);
}
.blog-footer a { color: var(--gray); font-weight: 600; text-decoration: none; }
.blog-footer a:hover { color: var(--black); }

/* ── Responsivo ──────────────────────── */
@media (max-width: 960px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .post-card.destaque { grid-column: span 2; }
}
@media (max-width: 640px) {
  .blog-nav { padding: 16px 20px; }
  .blog-nav-links { gap: 14px; }
  .blog-hero { padding: 48px 20px 24px; }
  .blog-grid { grid-template-columns: 1fr; padding: 16px 20px 64px; }
  .post-card.destaque { grid-column: span 1; }
  .autor-hero { flex-direction: column; text-align: center; padding-top: 48px; }
  .artigo-cta { padding: 32px 20px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}