/* ============================================================================
   blog.css — estilos editoriais do blog e do glossário M2.
   Carregado só nas páginas /blog, /blog/<slug> e /glossario.
   Reaproveita os tokens de style.css (--m2-*).
   ============================================================================ */

:root {
  --m2-text-tertiary: #8A8A8A;
}

/* ---- Container de leitura -------------------------------------------------- */
.m2-article {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 96px;
}

/* ---- Breadcrumb ------------------------------------------------------------ */
.m2-breadcrumb {
  font-family: var(--m2-font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--m2-text-tertiary);
  margin-bottom: 28px;
}
.m2-breadcrumb a { color: var(--m2-text-tertiary); text-decoration: none; }
.m2-breadcrumb a:hover { color: var(--m2-brand); }
.m2-breadcrumb span { margin: 0 6px; }

/* ---- Cabeçalho do artigo --------------------------------------------------- */
.m2-article-head { margin-bottom: 40px; }
.m2-article-head .m2-eyebrow { color: var(--m2-brand); }
.m2-article-title {
  font-family: var(--m2-font-display);
  font-size: clamp(30px, 5vw, 44px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -1px;
  color: var(--m2-ink);
  margin: 12px 0 16px;
}
.m2-article-meta {
  font-family: var(--m2-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--m2-text-tertiary);
}
.m2-article-lede {
  font-size: 20px;
  line-height: 1.55;
  color: var(--m2-text-secondary);
  margin-top: 24px;
}

/* ---- Corpo (prose) --------------------------------------------------------- */
.m2-prose { font-size: 17px; line-height: 1.72; color: #2A2F38; }
.m2-prose > * + * { margin-top: 22px; }
.m2-prose h2 {
  font-family: var(--m2-font-display);
  font-size: 26px; font-weight: 500; letter-spacing: -0.5px;
  line-height: 1.2; color: var(--m2-ink);
  margin: 52px 0 0;
}
.m2-prose h3 {
  font-family: var(--m2-font-display);
  font-size: 20px; font-weight: 500; letter-spacing: -0.3px;
  color: var(--m2-ink);
  margin: 36px 0 0;
}
.m2-prose p { margin-top: 22px; }
.m2-prose a { color: var(--m2-brand); text-decoration: underline; text-underline-offset: 2px; }
.m2-prose a:hover { color: var(--m2-brand-hover); }
.m2-prose strong { font-weight: 600; color: var(--m2-ink); }
.m2-prose ul, .m2-prose ol { margin-top: 22px; padding-left: 22px; }
.m2-prose li { margin-top: 10px; }
.m2-prose li::marker { color: var(--m2-text-tertiary); }
.m2-prose blockquote {
  margin: 32px 0;
  padding: 4px 0 4px 24px;
  border-left: 3px solid var(--m2-brand);
  font-family: var(--m2-font-display);
  font-size: 22px; font-weight: 500; line-height: 1.4;
  letter-spacing: -0.3px; color: var(--m2-ink);
}
.m2-prose code {
  font-family: var(--m2-font-mono); font-size: 0.88em;
  background: var(--m2-surface-warm); padding: 2px 6px; border-radius: 3px;
}

/* ---- Caixa de CTA dentro do artigo ----------------------------------------- */
.m2-callout {
  margin: 48px 0;
  padding: 32px;
  background: var(--m2-surface-warm);
  border: 1px solid var(--m2-line);
  border-radius: 4px;
}
.m2-callout h3 {
  font-family: var(--m2-font-display);
  font-size: 21px; font-weight: 500; letter-spacing: -0.3px;
  color: var(--m2-ink); margin: 0 0 8px;
}
.m2-callout p { margin: 0 0 18px; font-size: 15px; color: var(--m2-text-secondary); line-height: 1.6; }
.m2-callout a.m2-callout-btn {
  display: inline-block;
  background: var(--m2-ink); color: #fff;
  font-size: 14px; font-weight: 500;
  padding: 12px 22px; border-radius: 3px; text-decoration: none;
}
.m2-callout a.m2-callout-btn:hover { background: var(--m2-brand); }

/* ---- FAQ ------------------------------------------------------------------- */
.m2-article-faq { margin-top: 64px; padding-top: 40px; border-top: 1px solid var(--m2-line); }
.m2-article-faq h2 {
  font-family: var(--m2-font-display);
  font-size: 24px; font-weight: 500; letter-spacing: -0.5px;
  color: var(--m2-ink); margin: 0 0 20px;
}
.m2-faq-item { border-bottom: 1px solid var(--m2-line); padding: 18px 0; }
.m2-faq-item summary {
  font-family: var(--m2-font-display);
  font-size: 17px; font-weight: 500; color: var(--m2-ink);
  cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px;
}
.m2-faq-item summary::-webkit-details-marker { display: none; }
.m2-faq-item summary::after { content: '+'; color: var(--m2-brand); font-size: 22px; line-height: 1; }
.m2-faq-item[open] summary::after { content: '−'; }
.m2-faq-item p { margin: 14px 0 0; font-size: 15px; line-height: 1.65; color: var(--m2-text-secondary); }

/* ---- Artigos relacionados -------------------------------------------------- */
.m2-related { margin-top: 64px; padding-top: 40px; border-top: 1px solid var(--m2-line); }
.m2-related h2 {
  font-family: var(--m2-font-mono); font-size: 12px; letter-spacing: 0.1em;
  text-transform: uppercase; color: var(--m2-text-tertiary); margin: 0 0 20px;
}
.m2-related-grid { display: grid; gap: 1px; background: var(--m2-line); border: 1px solid var(--m2-line); border-radius: 4px; overflow: hidden; }
.m2-related-card { background: var(--m2-surface); padding: 22px 24px; text-decoration: none; display: block; }
.m2-related-card:hover { background: var(--m2-surface-warm); }
.m2-related-card .cat { font-family: var(--m2-font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--m2-brand); }
.m2-related-card .ttl { display: block; margin-top: 8px; font-family: var(--m2-font-display); font-size: 17px; font-weight: 500; color: var(--m2-ink); line-height: 1.3; }

/* ---- Índice do blog (/blog) ------------------------------------------------ */
.m2-blog-index { max-width: 880px; margin: 0 auto; padding: 56px 24px 96px; }
.m2-blog-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--m2-line); border: 1px solid var(--m2-line); border-radius: 4px; overflow: hidden; margin-top: 40px; }
.m2-blog-card { background: var(--m2-surface); padding: 32px; text-decoration: none; display: flex; flex-direction: column; }
.m2-blog-card:hover { background: var(--m2-surface-warm); }
.m2-blog-card .cat { font-family: var(--m2-font-mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--m2-brand); }
.m2-blog-card .ttl { margin: 12px 0 10px; font-family: var(--m2-font-display); font-size: 21px; font-weight: 500; line-height: 1.25; letter-spacing: -0.3px; color: var(--m2-ink); }
.m2-blog-card .exc { font-size: 14px; line-height: 1.6; color: var(--m2-text-secondary); flex: 1; }
.m2-blog-card .more { margin-top: 18px; font-size: 13px; font-weight: 500; color: var(--m2-brand); }
@media (max-width: 720px) { .m2-blog-grid { grid-template-columns: 1fr; } }

/* ---- Glossário (/glossario) ------------------------------------------------ */
.m2-glossary { max-width: 760px; margin: 0 auto; padding: 56px 24px 96px; }
.m2-glossary-nav { display: flex; flex-wrap: wrap; gap: 8px; margin: 32px 0 8px; }
.m2-glossary-nav a {
  font-family: var(--m2-font-mono); font-size: 12px; font-weight: 500;
  color: var(--m2-text-secondary); text-decoration: none;
  padding: 6px 12px; border: 1px solid var(--m2-line); border-radius: 999px;
}
.m2-glossary-nav a:hover { border-color: var(--m2-brand); color: var(--m2-brand); }
.m2-term { padding: 28px 0; border-bottom: 1px solid var(--m2-line); scroll-margin-top: 90px; }
.m2-term h2 {
  font-family: var(--m2-font-display); font-size: 22px; font-weight: 500;
  letter-spacing: -0.3px; color: var(--m2-ink); margin: 0 0 6px;
}
.m2-term .sigla { font-family: var(--m2-font-mono); font-size: 12px; color: var(--m2-text-tertiary); font-weight: 400; }
.m2-term p { margin: 10px 0 0; font-size: 16px; line-height: 1.65; color: var(--m2-text-secondary); }
.m2-term .veja { margin-top: 12px; font-size: 13px; color: var(--m2-text-tertiary); }
.m2-term .veja a { color: var(--m2-brand); text-decoration: none; }