/* ═══════════════════════════════════════════════════════════════
   IAhoje.ia.br — style.css
   CSS Global · Versão 1.0 · Abril 2026
   ---------------------------------------------------------------
   Contém: reset, variáveis, tipografia, header, footer,
   navegação mobile, badges, breadcrumb, componentes de artigo
   (TOC, prose, callouts, FAQ, share), relacionados e utilitários.

   CSS específico por página permanece inline em cada .html:
     · index.html      → hero, ticker, featured grid, newsletter,
                         compare table, article list, IA da semana
     · artigos         → score cards, bar chart, verdict grid,
                         comp table inline, winner box
     · ias-gratuitas   → ia-card, pros-cons, ia-specs, hero-list
     · o-que-e-ia      → timeline, concept grid, ai-types,
                         example-list, data-highlight, analogy
     · ferramentas     → tool-grid, cat-tabs, search, filter-btn
═══════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────
   1. RESET & BOX MODEL
───────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  min-width: 0; /* evita overflow em grids e flex */
}

/* ─────────────────────────────────────────
   2. VARIÁVEIS DE DESIGN (CSS Custom Properties)
   Altere aqui para refletir em TODO o site.
───────────────────────────────────────── */
:root {
  /* Cores de fundo */
  --bg:        #0a0a0f;
  --bg2:       #0f0f18;
  --bg3:       #16161f;
  --surface:   #1a1a26;
  --border:    #252535;

  /* Texto */
  --text:      #e8e8f0;
  --muted:     #7070a0;
  --text-body: #cccce0; /* parágrafos de prosa */

  /* Cores de acento */
  --accent:    #00e5ff; /* ciano principal */
  --accent2:   #bf5fff; /* roxo */
  --accent3:   #ff6b35; /* laranja */
  --green:     #00ff88;
  --yellow:    #ffd60a;

  /* Tipografia */
  --fhead: 'Syne', sans-serif;
  --fbody: 'DM Sans', sans-serif;
  --fmono: 'DM Mono', monospace;

  /* Espaçamento */
  --section-pad: 3rem 2rem;
  --max-w:       1280px;
  --max-article: 860px;
}

/* ─────────────────────────────────────────
   3. BASE HTML & BODY
───────────────────────────────────────── */
html {
  scroll-behavior: smooth;
}

body {
  background:   var(--bg);
  color:        var(--text);
  font-family:  var(--fbody);
  font-size:    16px;
  line-height:  1.7;
  overflow-x:   hidden;
}

/* Noise overlay — textura sutil em toda a página */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: .4;
}

/* ─────────────────────────────────────────
   4. SCROLLBAR CUSTOMIZADA
───────────────────────────────────────── */
::-webkit-scrollbar         { width: 4px; }
::-webkit-scrollbar-track   { background: var(--bg); }
::-webkit-scrollbar-thumb   { background: var(--accent); border-radius: 2px; }

/* ─────────────────────────────────────────
   5. BARRA DE PROGRESSO DE LEITURA
   Usada nos artigos (controlada via JS).
───────────────────────────────────────── */
#progress {
  position: fixed;
  top: 0; left: 0;
  z-index: 9998;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width .1s linear;
}

/* ─────────────────────────────────────────
   6. HEADER & NAVEGAÇÃO DESKTOP
───────────────────────────────────────── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,10,15,.88);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

/* Logo */
.logo {
  font-family: var(--fhead);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: .5rem;
  letter-spacing: -.02em;
}

.logo-badge {
  background: var(--accent);
  color: #000;
  font-size: .55rem;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--fmono);
  letter-spacing: .08em;
}

/* Nav links desktop */
nav { display: flex; gap: .25rem; }

nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: .85rem;
  font-weight: 500;
  padding: .4rem .75rem;
  border-radius: 6px;
  transition: color .2s, background .2s;
}

nav a:hover  { color: var(--text); background: var(--surface); }
nav a.active { color: var(--accent); }

/* Botão CTA no header */
.header-cta {
  background: var(--accent);
  color: #000;
  border: none;
  font-family: var(--fbody);
  font-size: .8rem;
  font-weight: 600;
  padding: .45rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: opacity .2s, transform .15s;
}
.header-cta:hover { opacity: .85; transform: translateY(-1px); }

/* ─────────────────────────────────────────
   7. MENU HAMBÚRGUER (MOBILE)
───────────────────────────────────────── */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: .4rem;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all .25s;
}

/* Nav mobile — fixada abaixo do header */
.mobile-nav {
  display: none;
  flex-direction: column;
  position: fixed;
  top: 64px; left: 0; right: 0;
  z-index: 200;
  background: var(--bg2);
  border-bottom: 1px solid var(--border);
  padding: .75rem 1.25rem;
  box-shadow: 0 8px 32px rgba(0,0,0,.5);
  max-height: calc(100vh - 64px);
  overflow-y: auto;
}

.mobile-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: .95rem;
  font-weight: 500;
  padding: .65rem 0;
  border-bottom: 1px solid var(--border);
  transition: color .2s;
}

.mobile-nav a:last-child { border-bottom: none; }
.mobile-nav a:hover      { color: var(--accent); }
.mobile-nav.open         { display: flex; }

/* Backdrop escuro que fecha o menu ao clicar fora */
.nav-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  top: 64px;
  z-index: 199;
  background: rgba(0,0,0,.4);
}
.nav-backdrop.open { display: block; }

/* ─────────────────────────────────────────
   8. BREADCRUMB
───────────────────────────────────────── */
.breadcrumb {
  max-width: var(--max-article);
  margin: 0 auto;
  padding: 1.5rem 2rem .5rem;
  font-family: var(--fmono);
  font-size: .72rem;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: .4rem;
  flex-wrap: wrap;
}

.breadcrumb a             { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover       { color: var(--accent); }

/* ─────────────────────────────────────────
   9. CABEÇALHO DE ARTIGO
───────────────────────────────────────── */
.article-header {
  max-width: var(--max-article);
  margin: 0 auto;
  padding: 1.5rem 2rem 2rem;
}

.article-category {
  font-family: var(--fmono);
  font-size: .75rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 1rem;
}

.article-title {
  font-family: var(--fhead);
  font-size: clamp(1.8rem, 4.5vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -.03em;
  margin-bottom: 1.25rem;
  overflow-wrap: break-word;
  word-break: break-word;
}

.article-lead {
  font-size: 1.1rem;
  color: var(--muted);
  font-weight: 300;
  line-height: 1.7;
  margin-bottom: 1.75rem;
  border-left: 3px solid var(--accent);
  padding-left: 1.25rem;
}

/* Meta linha (autor, data, tempo de leitura) */
.article-meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.author                   { display: flex; align-items: center; gap: .6rem; }

.author-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-size: .85rem; font-weight: 700;
  color: #000; font-family: var(--fhead);
  flex-shrink: 0;
}

.author-name  { font-size: .82rem; font-weight: 600; }
.author-role  { font-size: .72rem; color: var(--muted); }

.meta-divider { width: 1px; height: 28px; background: var(--border); }
.meta-item    { font-size: .78rem; color: var(--muted); font-family: var(--fmono); }

/* ─────────────────────────────────────────
   10. BADGES (reutilizáveis em todo o site)
───────────────────────────────────────── */
.badge {
  font-size: .65rem;
  font-family: var(--fmono);
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 100px;
}

.badge-blue   { background: rgba(0,229,255,.1);  color: var(--accent);  border: 1px solid rgba(0,229,255,.2); }
.badge-green  { background: rgba(0,255,136,.1);  color: var(--green);   border: 1px solid rgba(0,255,136,.2); }
.badge-orange { background: rgba(255,107,53,.1); color: var(--accent3); border: 1px solid rgba(255,107,53,.2); }
.badge-yellow { background: rgba(255,214,10,.1); color: var(--yellow);  border: 1px solid rgba(255,214,10,.2); }
.badge-purple { background: rgba(191,95,255,.1); color: var(--accent2); border: 1px solid rgba(191,95,255,.2); }
.badge-free   { background: rgba(0,255,136,.1);  color: var(--green);   border: 1px solid rgba(0,255,136,.2); }

/* ─────────────────────────────────────────
   11. LAYOUT DUPLO COLUNA (artigo + sidebar)
───────────────────────────────────────── */
.article-layout {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 4rem;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3.5rem;
  align-items: start;
}

.article-body {
  max-width: 740px;
  overflow-wrap: break-word;
  word-break: break-word;
}

/* ─────────────────────────────────────────
   12. TABELA DE CONTEÚDO (TOC)
───────────────────────────────────────── */
.toc {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent2);
  border-radius: 8px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 2.5rem;
}

.toc-title {
  font-family: var(--fhead);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: .85rem;
}

.toc ol { padding-left: 1.2rem; }
.toc li { margin-bottom: .4rem; }

.toc a {
  color: var(--muted);
  text-decoration: none;
  font-size: .85rem;
  transition: color .2s;
}
.toc a:hover { color: var(--accent); }

/* ─────────────────────────────────────────
   13. PROSA — CORPO DOS ARTIGOS
───────────────────────────────────────── */
.prose h2 {
  font-family: var(--fhead);
  font-size: 1.55rem;
  font-weight: 800;
  letter-spacing: -.025em;
  margin: 2.75rem 0 1rem;
  color: #fff;
  line-height: 1.2;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}

.prose h3 {
  font-family: var(--fhead);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 1.75rem 0 .6rem;
  color: var(--text);
}

.prose p {
  margin-bottom: 1.3rem;
  color: var(--text-body);
  font-weight: 300;
  font-size: .97rem;
}

.prose strong { font-weight: 600; color: #fff; }
.prose em     { font-style: italic; color: var(--muted); }

.prose a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(0,229,255,.3);
}
.prose a:hover { border-color: var(--accent); }

.prose ul,
.prose ol       { padding-left: 1.5rem; margin-bottom: 1.3rem; }
.prose li       { margin-bottom: .55rem; color: var(--text-body); font-weight: 300; font-size: .97rem; }

.prose blockquote {
  border-left: 3px solid var(--accent2);
  margin: 1.75rem 0;
  padding: .85rem 1.25rem;
  background: rgba(191,95,255,.04);
  border-radius: 0 6px 6px 0;
  font-style: italic;
  color: var(--muted);
  font-size: .95rem;
}

/* ─────────────────────────────────────────
   14. CALLOUT BOXES
───────────────────────────────────────── */
.callout {
  border-radius: 10px;
  padding: 1.1rem 1.4rem;
  margin: 1.75rem 0;
  display: flex;
  gap: .9rem;
  align-items: flex-start;
}

.callout-info  { background: rgba(0,229,255,.05);  border: 1px solid rgba(0,229,255,.18); }
.callout-tip   { background: rgba(0,255,136,.05);  border: 1px solid rgba(0,255,136,.18); }
.callout-warn  { background: rgba(255,214,10,.05); border: 1px solid rgba(255,214,10,.18); }
.callout-fact  { background: rgba(191,95,255,.05); border: 1px solid rgba(191,95,255,.18); }

.callout-icon  { font-size: 1.1rem; flex-shrink: 0; margin-top: .1rem; }

.callout-body  { font-size: .875rem; line-height: 1.65; color: var(--muted); }

.callout-body strong {
  display: block;
  font-family: var(--fhead);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .07em;
  margin-bottom: .3rem;
}

.callout-info strong  { color: var(--accent); }
.callout-tip strong   { color: var(--green); }
.callout-warn strong  { color: var(--yellow); }
.callout-fact strong  { color: var(--accent2); }

/* ─────────────────────────────────────────
   15. FAQ ACCORDION
───────────────────────────────────────── */
.faq             { margin-top: 3rem; }

.faq-title {
  font-family: var(--fhead);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: -.02em;
  margin-bottom: 1rem;
}

.faq-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  margin-bottom: .75rem;
}

.faq-q {
  width: 100%;
  background: var(--bg2);
  border: none;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--fbody);
  font-size: .9rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  text-align: left;
  transition: background .2s;
}

.faq-q:hover        { background: var(--bg3); }

.faq-arrow {
  color: var(--muted);
  font-size: .75rem;
  transition: transform .25s;
  flex-shrink: 0;
  margin-left: .5rem;
}

.faq-item.open .faq-arrow { transform: rotate(180deg); }

.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s ease, padding .3s;
  background: var(--surface);
  font-size: .875rem;
  color: var(--muted);
  line-height: 1.7;
}

.faq-item.open .faq-a { max-height: 400px; padding: 1rem 1.25rem; }

/* ─────────────────────────────────────────
   16. RODAPÉ DO ARTIGO (tags + compartilhar)
───────────────────────────────────────── */
.article-footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.af-tags { display: flex; gap: .5rem; flex-wrap: wrap; margin-bottom: 1.5rem; }

.af-tag {
  background: var(--surface);
  color: var(--muted);
  font-size: .75rem;
  font-family: var(--fmono);
  padding: .3rem .8rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  text-decoration: none;
  transition: border-color .2s, color .2s;
}
.af-tag:hover { border-color: var(--accent); color: var(--accent); }

.share-row  { display: flex; align-items: center; gap: .6rem; flex-wrap: wrap; }
.share-label { font-size: .78rem; color: var(--muted); font-family: var(--fmono); }

.share-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: .78rem;
  padding: .4rem .85rem;
  border-radius: 6px;
  cursor: pointer;
  font-family: var(--fbody);
  transition: border-color .2s, color .2s;
}
.share-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ─────────────────────────────────────────
   17. ARTIGOS RELACIONADOS
───────────────────────────────────────── */
.related {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem 4rem;
}

.related-title {
  font-family: var(--fhead);
  font-size: 1rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  display: flex;
  align-items: center;
  gap: .6rem;
  margin-bottom: 1.5rem;
}

.related-title::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--accent);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.related-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  text-decoration: none;
  display: block;
  transition: border-color .2s, transform .2s;
}
.related-card:hover { border-color: rgba(0,229,255,.3); transform: translateY(-2px); }

.rc-cat {
  font-family: var(--fmono);
  font-size: .68rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-bottom: .5rem;
}

.rc-title {
  font-family: var(--fhead);
  font-size: .95rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.3;
  margin-bottom: .6rem;
}

.rc-meta { font-size: .75rem; color: var(--muted); font-family: var(--fmono); }

/* ─────────────────────────────────────────
   18. SIDEBAR STICKY (artigos)
───────────────────────────────────────── */
.sticky-sidebar { position: sticky; top: 80px; }

.sidebar-widget {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.widget-title {
  font-family: var(--fhead);
  font-size: .75rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  margin-bottom: 1rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border);
}

/* TOC sidebar com highlight da seção ativa */
.toc-sidebar a {
  display: block;
  padding: .4rem 0 .4rem .75rem;
  color: var(--muted);
  text-decoration: none;
  font-size: .8rem;
  border-left: 2px solid transparent;
  transition: border-color .2s, color .2s;
}

.toc-sidebar a:hover,
.toc-sidebar a.active {
  color: var(--accent);
  border-left-color: var(--accent);
}

/* ─────────────────────────────────────────
   19. TOPIC PILLS (filtros de categoria)
───────────────────────────────────────── */
.topic-pill {
  background: var(--surface);
  color: var(--muted);
  font-size: .8rem;
  font-weight: 500;
  padding: .4rem 1rem;
  border-radius: 100px;
  border: 1px solid var(--border);
  text-decoration: none;
  cursor: pointer;
  transition: border-color .2s, color .2s, background .2s;
  display: inline-block;
}

.topic-pill:hover,
.topic-pill.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(0,229,255,.06);
}

/* ─────────────────────────────────────────
   20. SEÇÃO GENÉRICA (max-width + padding)
───────────────────────────────────────── */
.section {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--section-pad);
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
}

.section-title {
  font-family: var(--fhead);
  font-size: 1rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: .1em;
  display: flex;
  align-items: center;
  gap: .6rem;
}

.section-title::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--accent);
}

.see-all {
  font-size: .8rem;
  color: var(--accent);
  text-decoration: none;
  font-family: var(--fmono);
  opacity: .8;
  transition: opacity .2s;
}
.see-all:hover { opacity: 1; }

/* ─────────────────────────────────────────
   21. FOOTER
───────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  background: var(--bg2);
  margin-top: 2rem;
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 3rem 2rem 2rem;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
}

.footer-brand p {
  font-size: .825rem;
  color: var(--muted);
  line-height: 1.6;
  margin-top: .5rem;
}

.footer-col h4 {
  font-family: var(--fhead);
  font-size: .8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--muted);
  margin-bottom: .9rem;
}

.footer-col a {
  display: block;
  color: var(--muted);
  text-decoration: none;
  font-size: .825rem;
  margin-bottom: .45rem;
  transition: color .2s;
}
.footer-col a:hover { color: var(--accent); }

.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 1.25rem 2rem;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .75rem;
  color: var(--muted);
  font-family: var(--fmono);
}

/* ─────────────────────────────────────────
   22. UTILITÁRIOS DE TEXTO
───────────────────────────────────────── */
.card-title,
.card-excerpt,
.card-category,
.article-body .card-title,
.trending-text a {
  overflow-wrap: break-word;
  word-break: break-word;
}

.text-accent  { color: var(--accent); }
.text-muted   { color: var(--muted); }
.text-green   { color: var(--green); }
.font-mono    { font-family: var(--fmono); }
.font-head    { font-family: var(--fhead); }

/* ─────────────────────────────────────────
   23. RESPONSIVIDADE — TABLET (≤900px)
───────────────────────────────────────── */
@media (max-width: 900px) {
  /* Layout artigo */
  .article-layout    { grid-template-columns: 1fr; }
  .sticky-sidebar    { display: none; }

  /* Artigos relacionados */
  .related-grid      { grid-template-columns: 1fr 1fr; }

  /* Footer */
  .footer-inner      { grid-template-columns: 1fr 1fr; gap: 2rem; }

  /* Navegação */
  nav                { display: none; }
  .menu-toggle       { display: flex; }
  .header-cta        { display: none; }
}

/* ─────────────────────────────────────────
   24. RESPONSIVIDADE — MOBILE (≤600px)
───────────────────────────────────────── */
@media (max-width: 600px) {
  /* Espaçamentos gerais */
  .section            { padding: 2rem 1rem; }
  .article-header     { padding-left: 1rem; padding-right: 1rem; }
  .breadcrumb         { padding-left: 1rem; padding-right: 1rem; }
  .article-layout     { padding: 0 1rem 3rem; }
  .related            { padding: 0 1rem 3rem; }

  /* Header */
  .header-inner       { padding: 0 1rem; }
  .logo               { font-size: 1.25rem; }

  /* Artigo */
  .article-title      { font-size: 1.8rem; letter-spacing: -.02em; }
  .article-lead       { font-size: 1rem; padding-left: .9rem; }
  .article-meta       { gap: .6rem; }
  .meta-divider       { display: none; }

  /* Prose */
  .prose h2           { font-size: 1.25rem; }

  /* Artigos relacionados */
  .related-grid       { grid-template-columns: 1fr; }

  /* Footer */
  .footer-inner       { grid-template-columns: 1fr; gap: 1.5rem; padding: 2rem 1rem 1rem; }
  .footer-bottom      { flex-direction: column; gap: .5rem; text-align: center; padding: 1rem; }

  /* FAQ */
  .faq-q              { font-size: .85rem; }

  /* Share */
  .share-row          { flex-wrap: wrap; }
  .af-tags            { flex-wrap: wrap; }

  /* TOC */
  .toc ol             { padding-left: .9rem; }
}

/* ─────────────────────────────────────────
   25. JAVASCRIPT HELPERS
   Classes adicionadas/removidas via JS.
───────────────────────────────────────── */
.is-hidden  { display: none !important; }
.is-visible { display: block !important; }