/* =====================================================
   ConstruMarketing Blog — style.css
   Cores: #0D0D0D (preto) | #F5A800 (amarelo) | #FFFFFF (branco)
   ===================================================== */

/* --- Variáveis --- */
:root {
  --black:      #0D0D0D;
  --yellow:     #F5A800;
  --yellow-dk:  #D99300;
  --white:      #FFFFFF;
  --gray-100:   #F4F4F4;
  --gray-200:   #E8E8E8;
  --gray-400:   #AAAAAA;
  --gray-600:   #666666;

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --header-h: 68px;
  --max-w: 1200px;
  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --ease: 0.2s ease;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background-color: var(--white);
  color: var(--black);
  line-height: 1.6;
  font-size: 16px;
}

img   { max-width: 100%; height: auto; display: block; }
a     { text-decoration: none; color: inherit; }
ul    { list-style: none; }

/* --- Container --- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* =====================================================
   BOTÕES
   ===================================================== */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--r-sm);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  border: 2px solid transparent;
  transition:
    background-color var(--ease),
    color var(--ease),
    border-color var(--ease),
    transform var(--ease);
}

.btn-primary {
  background-color: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
}
.btn-primary:hover {
  background-color: var(--yellow-dk);
  border-color: var(--yellow-dk);
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--yellow);
  border-color: var(--yellow);
}
.btn-outline:hover {
  background-color: var(--yellow);
  color: var(--black);
  transform: translateY(-2px);
}

/* =====================================================
   HEADER
   ===================================================== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  background-color: var(--black);
  border-bottom: 1px solid rgba(245, 168, 0, 0.12);
  z-index: 1000;
  transition: box-shadow var(--ease);
}
.header.scrolled {
  box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
}

.header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo */
.logo { line-height: 1; display: flex; align-items: center; }
.logo-light   { color: var(--white); }
.logo-accent  { color: var(--yellow); }

.logo-img {
  height: 38px;
  width: auto;
  display: block;
}
.logo-img--footer {
  height: 52px;
  margin-bottom: 0.5rem;
}

/* Nav */
.nav-list {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--gray-400);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--ease);
  position: relative;
  padding-bottom: 4px;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background-color: var(--yellow);
  transition: width var(--ease);
}
.nav-link:hover,
.nav-link.active { color: var(--white); }

.nav-link:hover::after,
.nav-link.active::after { width: 100%; }

/* Hamburger */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.menu-toggle span {
  display: block;
  width: 24px; height: 2px;
  background-color: var(--white);
  border-radius: 2px;
  transition: transform var(--ease), opacity var(--ease);
}
.menu-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-toggle.open span:nth-child(2) { opacity: 0; }
.menu-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =====================================================
   HERO
   ===================================================== */
.hero {
  background-color: var(--black);
  padding: calc(var(--header-h) + 5.5rem) 0 5.5rem;
  position: relative;
  overflow: hidden;
}

/* Grade sutil de fundo */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(245,168,0,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(245,168,0,.04) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

/* Brilho diagonal */
.hero::after {
  content: '';
  position: absolute;
  top: -20%; right: -5%;
  width: 55%; height: 140%;
  background: radial-gradient(ellipse at center, rgba(245,168,0,.07) 0%, transparent 65%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero-tag {
  display: inline-block;
  background-color: rgba(245,168,0,.12);
  color: var(--yellow);
  border: 1px solid rgba(245,168,0,.25);
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.6rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.18;
  letter-spacing: -1.5px;
  margin-bottom: 1.25rem;
}
.highlight { color: var(--yellow); }

.hero-subtitle {
  font-size: 1.05rem;
  color: var(--gray-400);
  max-width: 560px;
  line-height: 1.75;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Botão outline específico do hero (fundo escuro) */
.btn-outline-hero {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: var(--r-sm);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1;
  cursor: pointer;
  border: 2px solid rgba(255,255,255,.35);
  color: var(--white);
  background-color: transparent;
  transition: border-color var(--ease), background-color var(--ease), transform var(--ease);
}
.btn-outline-hero:hover {
  border-color: var(--yellow);
  color: var(--yellow);
  transform: translateY(-2px);
}

/* =====================================================
   SEÇÃO — PADRÕES COMUNS
   ===================================================== */
section { padding: 5rem 0; }

.section-header { margin-bottom: 2.5rem; }

.section-tag {
  display: block;
  color: var(--yellow);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  margin-bottom: 0.4rem;
}

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  color: var(--black);
  letter-spacing: -0.5px;
}

/* =====================================================
   BADGE DE CATEGORIA
   ===================================================== */
.category-badge {
  position: absolute;
  top: 1rem; left: 1rem;
  background-color: var(--yellow);
  color: var(--black);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 0.28rem 0.65rem;
  border-radius: var(--r-sm);
  z-index: 1;
  white-space: nowrap;
}

/* =====================================================
   ARTIGO EM DESTAQUE
   ===================================================== */
.featured { background-color: var(--gray-100); }

.featured-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  background-color: var(--white);
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: 0 4px 28px rgba(0,0,0,.08);
}

.featured-image {
  position: relative;
  min-height: 380px;
  background: linear-gradient(135deg, var(--black) 0%, #1c1c00 100%);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}
.featured-image::before {
  /* placeholder quando não há imagem */
  content: 'ConstruMarketing';
  color: rgba(245,168,0,.18);
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  font-family: var(--font);
  pointer-events: none;
  user-select: none;
}
.featured-image img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.featured-card:hover .featured-image img { transform: scale(1.04); }

.featured-content {
  padding: 3rem 3rem 3rem 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
}

.article-meta {
  display: flex;
  gap: 1rem;
  font-size: 0.78rem;
  color: var(--gray-400);
  margin-bottom: 0.9rem;
}

.featured-title {
  font-size: clamp(1.2rem, 2.2vw, 1.6rem);
  font-weight: 800;
  color: var(--black);
  line-height: 1.3;
  letter-spacing: -0.3px;
  margin-bottom: 1rem;
}

.featured-excerpt {
  font-size: 0.95rem;
  color: var(--gray-600);
  line-height: 1.78;
  margin-bottom: 1.75rem;
}

/* =====================================================
   GRID DE ARTIGOS
   ===================================================== */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.article-card {
  background-color: var(--white);
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid var(--gray-200);
  display: flex;
  flex-direction: column;
  transition: transform var(--ease), box-shadow var(--ease);
}
.article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 32px rgba(0,0,0,.1);
}

.card-image {
  position: relative;
  height: 196px;
  background: linear-gradient(135deg, #111 0%, #1a1a1a 50%, #211900 100%);
  overflow: hidden;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.card-image::before {
  content: 'CM';
  color: rgba(245,168,0,.18);
  font-size: 2.8rem;
  font-weight: 800;
  font-family: var(--font);
  pointer-events: none;
  user-select: none;
}
.card-image img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.article-card:hover .card-image img { transform: scale(1.06); }

.card-content {
  padding: 1.4rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-title {
  font-size: 0.975rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.45;
  margin-bottom: 0.65rem;
}

.card-excerpt {
  font-size: 0.86rem;
  color: var(--gray-600);
  line-height: 1.68;
  margin-bottom: 1.25rem;
  flex: 1;
}

/* Botões nos cards e no destaque não esticam */
.card-content .btn,
.featured-content .btn { align-self: flex-start; }

/* =====================================================
   SEÇÃO CONTATO + MAPA
   ===================================================== */
.contact-section {
  background-color: var(--black);
  border-top: 1px solid rgba(245,168,0,.1);
}

/* Cabeçalho CTA */
.contact-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.contact-title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 1rem;
}
.contact-highlight { color: var(--yellow); }

.contact-subtitle {
  font-size: 1rem;
  color: var(--gray-400);
  line-height: 1.7;
}

/* Grid: formulário | mapa */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: stretch;
}

/* --- Formulário --- */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group select {
  background-color: rgba(255,255,255,.05);
  border: 1px solid rgba(255,255,255,.12);
  border-radius: var(--r-sm);
  padding: 0.75rem 1rem;
  color: var(--white);
  font-family: var(--font);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--ease), background-color var(--ease);
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23AAAAAA' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-group select option {
  background-color: #1a1a1a;
  color: var(--white);
}

.form-group input::placeholder { color: rgba(255,255,255,.25); }

.form-group input:focus,
.form-group select:focus {
  border-color: var(--yellow);
  background-color: rgba(245,168,0,.06);
}

/* Estado inválido após tentativa de envio */
.form-group input.invalid,
.form-group select.invalid {
  border-color: #e05555;
}

.form-submit {
  margin-top: 0.25rem;
  align-self: flex-start;
  padding: 0.875rem 2rem;
  font-size: 0.95rem;
}

.form-note {
  font-size: 0.75rem;
  color: rgba(255,255,255,.22);
}

.form-feedback {
  font-size: 0.875rem;
  font-weight: 600;
  min-height: 1.2em;
}
.form-feedback.success { color: #4caf82; }
.form-feedback.error   { color: #e05555; }

/* --- Bloco de mapa --- */
.map-block {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.map-embed {
  border-radius: var(--r-md);
  overflow: hidden;
  flex: 1;
  min-height: 420px;
  border: 1px solid rgba(255,255,255,.08);
  position: relative;
}

.map-embed iframe {
  width: 100%;
  height: 100%;
  display: block;
}

/* =====================================================
   FOOTER
   ===================================================== */
.footer {
  background-color: var(--black);
  color: var(--gray-400);
  padding-top: 4.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 2fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.07);
}

.footer-logo { display: inline-block; margin-bottom: 1rem; }

.footer-tagline {
  font-size: 0.875rem;
  line-height: 1.65;
  max-width: 260px;
}

.footer-heading {
  color: var(--white);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.9px;
  margin-bottom: 1.1rem;
}

.footer-links li { margin-bottom: 0.55rem; }
.footer-links li a {
  font-size: 0.875rem;
  color: var(--gray-400);
  transition: color var(--ease);
}
.footer-links li a:hover { color: var(--yellow); }

.footer-contact li { margin-bottom: 0.75rem; }
.footer-contact li a {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.875rem;
  color: var(--gray-400);
  transition: color var(--ease);
  word-break: break-all;
}
.footer-contact li a:hover { color: var(--yellow); }
.footer-contact li a svg { flex-shrink: 0; color: var(--yellow); }

.footer-bottom {
  padding: 1.5rem 0;
  text-align: center;
  font-size: 0.78rem;
  color: rgba(255,255,255,.2);
}

/* =====================================================
   RESPONSIVO
   ===================================================== */

/* --- Tablet --- */
@media (max-width: 1024px) {
  /* Hero: headline menor para não esticar demais */
  .hero-title { font-size: clamp(1.5rem, 3.5vw, 2.4rem); }

  /* Artigos: grid 2 colunas, mostra só 4 cards */
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .articles-grid .article-card:nth-child(n+5) { display: none; }

  /* Footer: sobe Contato antes de Navegação */
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  .footer-grid > :nth-child(4) { order: 2; } /* Contato sobe */
  .footer-grid > :nth-child(2) { order: 4; } /* Navegação desce */

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .map-embed { height: 300px; }
}

/* --- Mobile --- */
@media (max-width: 768px) {
  /* Menu mobile */
  .menu-toggle { display: flex; }

  .nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background-color: var(--black);
    border-bottom: 1px solid rgba(245,168,0,.12);
    transform: translateY(-105%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.28s ease, opacity 0.28s ease, visibility 0.28s ease;
    z-index: 999;
  }
  .nav.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-list {
    flex-direction: column;
    gap: 0;
    padding: 0.75rem 0;
  }
  .nav-list li a {
    display: block;
    padding: 0.9rem 1.25rem;
    font-size: 1rem;
  }
  .nav-link::after { display: none; }

  /* Hero */
  .hero {
    padding: calc(var(--header-h) + 3.5rem) 0 3.5rem;
    text-align: center;
  }
  .hero-subtitle { margin: 0 auto 2rem; }

  /* Botões do hero: sempre lado a lado, sem quebrar linha */
  .hero-actions {
    flex-wrap: nowrap;
    justify-content: center;
  }
  .hero-actions .btn,
  .hero-actions .btn-outline-hero {
    padding: 0.65rem 1rem;
    font-size: 0.82rem;
    white-space: nowrap;
  }

  /* Featured */
  .featured-card { grid-template-columns: 1fr; }
  .featured-image { min-height: 240px; }
  .featured-content { padding: 1.75rem; }

  /* Articles grid: coluna única, mostra só 3 cards */
  .articles-grid { grid-template-columns: 1fr; }
  .articles-grid .article-card:nth-child(n+4) { display: none; }

  /* Contato */
  .form-row { grid-template-columns: 1fr; }
  .form-submit { width: 100%; text-align: center; }

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

/* --- Mobile pequeno --- */
@media (max-width: 480px) {
  .hero-title { letter-spacing: -0.8px; }
  .featured-content { padding: 1.5rem; }
  .map-embed { height: 260px; }
}

/* =====================================================
   PÁGINA DE ARTIGO
   ===================================================== */

/* Breadcrumb */
.article-breadcrumb {
  background-color: var(--black);
  padding-top: calc(var(--header-h) + 1.75rem);
  padding-bottom: 1.75rem;
  border-bottom: 1px solid rgba(245,168,0,.1);
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--gray-400);
  flex-wrap: wrap;
}
.breadcrumb-list a {
  color: var(--gray-400);
  transition: color var(--ease);
}
.breadcrumb-list a:hover { color: var(--yellow); }
.breadcrumb-sep { color: rgba(255,255,255,.2); user-select: none; }
.breadcrumb-current { color: var(--white); }

/* Layout: coluna de conteúdo + sidebar */
.article-layout { padding: calc(var(--header-h) + 3.5rem) 0 5rem; }

.article-wrapper {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 3.5rem;
  align-items: start;
}

/* --- Cabeçalho do artigo --- */
.article-category {
  display: inline-block;
  background-color: var(--yellow);
  color: var(--black);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 0.3rem 0.7rem;
  border-radius: var(--r-sm);
  margin-bottom: 1.1rem;
}

.article-title {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--black);
  line-height: 1.25;
  letter-spacing: -0.8px;
  margin-bottom: 1.1rem;
}

.article-meta-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--gray-400);
  padding-bottom: 1.5rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--gray-200);
  flex-wrap: wrap;
}
.meta-sep {
  width: 4px; height: 4px;
  background-color: var(--gray-200);
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
}

/* Imagem de capa */
.article-cover {
  border-radius: var(--r-md);
  overflow: hidden;
  margin-bottom: 2.5rem;
  background-color: var(--gray-100);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
}
.article-cover img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.article-cover.no-img {
  background: linear-gradient(135deg, #e8e8e8 0%, #d4d4d4 100%);
}
.article-cover.no-img::after {
  content: 'ConstruMarketing';
  color: rgba(0,0,0,.12);
  font-size: 1.4rem;
  font-weight: 800;
  font-family: var(--font);
}

/* --- Corpo do artigo --- */
.article-body {
  font-size: 1.0rem;
  line-height: 1.88;
  color: #2a2a2a;
}
.article-body h2 {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--black);
  margin: 2.75rem 0 1rem;
  letter-spacing: -0.4px;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--yellow);
  display: inline-block;
}
.article-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--black);
  margin: 2rem 0 0.65rem;
}
.article-body p { margin-bottom: 1.4rem; }
.article-body ul,
.article-body ol {
  padding-left: 1.6rem;
  margin-bottom: 1.4rem;
}
.article-body li {
  margin-bottom: 0.55rem;
  list-style: disc;
}
.article-body blockquote {
  border-left: 3px solid var(--yellow);
  padding: 1rem 1.5rem;
  margin: 2.25rem 0;
  background-color: rgba(245,168,0,.05);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  font-size: 1rem;
  font-style: italic;
  color: var(--gray-600);
  line-height: 1.75;
}
.article-body strong { color: var(--black); font-weight: 700; }

/* Tags */
.article-tags {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--gray-200);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}
.tag-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.6px;
}
.tag-pill {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  font-size: 0.78rem;
  color: var(--gray-600);
  transition: border-color var(--ease), color var(--ease);
}
.tag-pill:hover {
  border-color: var(--yellow);
  color: var(--black);
}

/* Link voltar */
.article-back {
  margin-top: 2.5rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-600);
  transition: color var(--ease), gap var(--ease);
}
.article-back:hover { color: var(--yellow); gap: 0.65rem; }

/* --- Sidebar --- */
.article-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 2rem);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-self: start;
}

.sidebar-banner {
  display: block;
  border-radius: var(--r-md);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0,0,0,.1);
  transition: transform var(--ease), box-shadow var(--ease);
}
.sidebar-banner:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0,0,0,.15);
}
.sidebar-banner img {
  width: 100%;
  height: auto;
  display: block;
}

/* --- Responsivo --- */
@media (max-width: 900px) {
  .article-wrapper { grid-template-columns: 1fr; }

  /* Sidebar empilha abaixo do artigo */
  .article-sidebar {
    position: static;
    flex-direction: column;
  }

  /* Banner horizontal no tablet */
  .sidebar-banner img {
    width: 100%;
    aspect-ratio: 16 / 7;
    object-fit: cover;
    height: auto;
  }
}

@media (max-width: 480px) {
  .article-layout { padding: calc(var(--header-h) + 2rem) 0 4rem; }
  .article-body h2 { font-size: 1.2rem; }

  /* Banner quadrado no mobile pequeno */
  .sidebar-banner img {
    aspect-ratio: 1 / 1;
    object-fit: cover;
  }
}

/* =====================================================
   LEIA TAMBÉM
   ===================================================== */
.related-articles {
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--gray-200);
}

.related-title {
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--black);
  letter-spacing: -0.3px;
  margin-bottom: 1.5rem;
}

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

.related-card {
  display: flex;
  flex-direction: column;
  border: 1px solid var(--gray-200);
  border-radius: var(--r-md);
  overflow: hidden;
  transition: transform var(--ease), box-shadow var(--ease);
}
.related-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0,0,0,.08);
}

.related-image {
  height: 130px;
  background: linear-gradient(135deg, #111 0%, #1a1a1a 50%, #211900 100%);
  flex-shrink: 0;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.related-image::after {
  content: 'CM';
  color: rgba(245,168,0,.2);
  font-size: 2rem;
  font-weight: 800;
  font-family: var(--font);
}

.related-content {
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  flex: 1;
}

.related-category {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--yellow);
}

.related-content h4 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--black);
  line-height: 1.45;
}
.related-card:hover .related-content h4 { color: var(--yellow); }

@media (max-width: 700px) {
  .related-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .related-grid { grid-template-columns: 1fr; }
}