:root {
  --color-bg: #f6faf7;
  --color-surface: #ffffff;
  --color-border: #e3eae5;
  --color-text: #16241d;
  --color-muted: #5f6f66;
  --color-primary: #16a34a;
  --color-primary-hover: #15803d;
  --max-width: 1140px;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  z-index: 100;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
}
.logo span { color: var(--color-primary); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.main-nav > a {
  color: var(--color-text);
  font-weight: 500;
}

.nav-dropdown { position: relative; }

.nav-dropdown-toggle {
  background: none;
  border: none;
  color: var(--color-text);
  font: inherit;
  font-weight: 500;
  cursor: pointer;
  padding: 0;
}

.nav-dropdown-menu {
  position: absolute;
  top: 140%;
  left: 0;
  display: none;
  gap: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 18px;
  min-width: 480px;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown:focus-within .nav-dropdown-menu {
  display: flex;
}

.nav-dropdown-col { flex: 1; }

.nav-cat-title {
  display: block;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}

.nav-dropdown-col ul { list-style: none; margin: 0; padding: 0; }
.nav-dropdown-col li { margin-bottom: 6px; }
.nav-dropdown-col a { color: var(--color-muted); font-size: 0.9rem; }
.nav-dropdown-col a:hover { color: var(--color-primary); }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1.4rem;
  cursor: pointer;
}

/* Hero */
.hero {
  padding: 64px 0 40px;
  text-align: center;
}
.hero h1 { font-size: 2.2rem; margin-bottom: 12px; }
.hero p { color: var(--color-muted); font-size: 1.1rem; }

/* Categories grid */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 56px;
}

.category-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.category-card:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.category-card h3 { margin: 0 0 6px; color: var(--color-text); }
.category-card p { margin: 0; color: var(--color-muted); font-size: 0.9rem; }

/* Articles */
.section-title { font-size: 1.5rem; margin: 48px 0 20px; }

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-bottom: 48px;
}

.article-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 20px;
  display: block;
  transition: border-color 0.2s, transform 0.2s;
}
.article-card:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.article-card h3 { color: var(--color-text); margin: 8px 0; font-size: 1.05rem; }
.article-card p { color: var(--color-muted); font-size: 0.9rem; margin: 0; }

.article-cat {
  display: inline-block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  font-weight: 600;
}

/* Page header / filter */
.page-header { padding: 48px 0 24px; }
.page-header.narrow { max-width: 720px; }
.filter-bar { margin-top: 16px; }
.filter-bar select {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 10px 14px;
  font: inherit;
}

/* Legal / institutional pages */
.page-updated { color: var(--color-muted); font-size: 0.9rem; margin-top: -8px; }
.legal-body { margin-top: 24px; }
.legal-body h2 { margin-top: 32px; font-size: 1.25rem; }
.legal-body p { margin: 14px 0; }
.legal-body ul { padding-left: 20px; }
.legal-body li { margin-bottom: 8px; color: var(--color-text); }

/* Contact form */
.contact-form { margin-top: 28px; }
.form-row { margin-bottom: 18px; display: flex; flex-direction: column; }
.form-row label { margin-bottom: 6px; font-weight: 500; font-size: 0.9rem; }
.form-row input,
.form-row textarea {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 12px 14px;
  font: inherit;
  width: 100%;
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.btn-primary {
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius);
  padding: 12px 24px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
}
.btn-primary:hover { background: var(--color-primary-hover); }
.form-note { color: var(--color-muted); font-size: 0.85rem; margin-top: 16px; }

/* Article page */
.article-page { padding: 48px 0 32px; max-width: 720px; }
.article-page h1 { font-size: 2rem; margin: 12px 0; }
.article-meta { color: var(--color-muted); font-size: 0.85rem; margin: 0 0 8px; }
.article-lead { color: var(--color-muted); font-size: 1.1rem; }
.article-body ul, .article-body ol { padding-left: 22px; }
.article-body li { margin-bottom: 8px; }
.article-body h3 { margin-top: 24px; font-size: 1.15rem; }
.article-body { margin-top: 24px; }
.article-body h2 { margin-top: 32px; }
.article-body p { margin: 16px 0; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  margin-top: 64px;
  padding-top: 48px;
}
.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  justify-content: space-between;
}
.footer-inner p { color: var(--color-muted); max-width: 320px; }
.footer-cols { display: flex; gap: 40px; flex-wrap: wrap; }
.footer-cols h4 { margin: 0 0 12px; font-size: 0.9rem; }
.footer-cols ul { list-style: none; margin: 0; padding: 0; }
.footer-cols li { margin-bottom: 8px; }
.footer-cols a { color: var(--color-muted); font-size: 0.9rem; }
.footer-cols a:hover { color: var(--color-primary); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  margin-top: 40px;
  padding: 20px 0;
  color: var(--color-muted);
  font-size: 0.85rem;
}

/* Ad slots */
.ad-slot {
  margin: 28px auto;
  text-align: center;
  min-height: 100px;
  overflow: hidden;
}
.ad-slot .ad-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-muted);
  opacity: 0.6;
  margin-bottom: 4px;
}
.ad-slot ins { display: block; }

/* Back to top */
.back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: none;
  background: var(--color-primary);
  color: #ffffff;
  font-size: 1.2rem;
  font-weight: 700;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity 0.2s, transform 0.2s, visibility 0.2s;
  z-index: 90;
}
.back-to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.back-to-top:hover { background: var(--color-primary-hover); }

/* Cookie bar */
.cookie-bar {
  position: fixed;
  left: 16px;
  right: 16px;
  bottom: 16px;
  max-width: 760px;
  margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  z-index: 200;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}
.cookie-bar p { margin: 0; font-size: 0.9rem; flex: 1 1 320px; color: var(--color-muted); }
.cookie-actions { display: flex; align-items: center; gap: 12px; }
.cookie-link { font-size: 0.85rem; color: var(--color-muted); }
.cookie-accept {
  background: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: var(--radius);
  padding: 10px 22px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}
.cookie-accept:hover { background: var(--color-primary-hover); }

/* ============================================================
   CONTEÚDO RICO DE ARTIGO (padrão WebTeck)
   ============================================================ */

/* Barra de progresso de leitura */
#leitura-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--color-primary);
  z-index: 300;
  transition: width 0.1s linear;
}

/* Breadcrumb */
.b-breadcrumb {
  font-size: 0.82rem;
  color: var(--color-muted);
  margin-bottom: 18px;
}
.b-breadcrumb a { color: var(--color-muted); }
.b-breadcrumb a:hover { color: var(--color-primary); }
.b-breadcrumb span { margin: 0 6px; opacity: 0.6; }

/* Hero do artigo */
.blog-hero {
  background: linear-gradient(135deg, #ecfdf3 0%, #ffffff 100%);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 28px 26px;
  margin-bottom: 28px;
}
.blog-tag {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.blog-hero h1 { font-size: 1.9rem; line-height: 1.25; margin: 0 0 12px; }
.blog-hero h1 em { color: var(--color-primary); font-style: normal; }
.blog-hero-sub { color: var(--color-muted); font-size: 1.05rem; margin: 0 0 18px; }
.blog-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--color-muted);
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
}
.blog-meta strong { color: var(--color-text); }

/* Índice */
.blog-indice {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 32px;
}
.blog-indice h2 { font-size: 1rem; margin: 0 0 10px; }
.blog-indice ol { margin: 0; padding-left: 20px; }
.blog-indice li { margin-bottom: 6px; }
.blog-indice a { color: var(--color-text); font-size: 0.92rem; }
.blog-indice a:hover { color: var(--color-primary); }

/* Seções */
.blog-secao { margin: 40px 0; scroll-margin-top: 80px; }
.blog-secao-num {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin-bottom: 6px;
}
.blog-secao h2 { font-size: 1.45rem; margin: 0 0 14px; }
.blog-secao p { margin: 14px 0; }

/* Caixa de destaque */
.b-destaque {
  background: #ecfdf3;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 20px 0;
}
.b-destaque p { margin: 0; }

/* Fórmula */
.b-formula {
  background: var(--color-text);
  color: #fff;
  border-radius: 12px;
  padding: 20px;
  margin: 22px 0;
  text-align: center;
}
.b-formula-title {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  opacity: 0.7;
  margin-bottom: 8px;
}
.b-formula-eq { font-size: 1.6rem; font-weight: 700; margin-bottom: 12px; }
.b-formula-leg { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; opacity: 0.9; }

/* Exemplo */
.b-exemplo {
  background: var(--color-surface);
  border: 1px dashed var(--color-primary);
  border-radius: var(--radius);
  padding: 18px;
  margin: 22px 0;
}
.b-exemplo ol, .b-exemplo ul { margin: 10px 0; padding-left: 22px; }
.b-resultado {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--color-border);
  font-weight: 600;
  color: var(--color-primary-hover);
}

/* Alertas */
.b-alerta {
  display: flex;
  gap: 14px;
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius);
  padding: 16px 18px;
  margin: 22px 0;
}
.b-alerta-icon { font-size: 1.5rem; line-height: 1; }
.b-alerta-text { margin: 0; font-size: 0.95rem; }
.b-alerta-danger { background: #fef2f2; border-color: #fecaca; }

/* Tabelas */
.b-tabela-wrap { overflow-x: auto; margin: 22px 0; }
.b-tabela-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  min-width: 480px;
}
.b-tabela-wrap th {
  background: var(--color-text);
  color: #fff;
  text-align: left;
  padding: 10px 12px;
  font-weight: 600;
}
.b-tabela-wrap td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--color-border);
}
.b-tabela-wrap tr:nth-child(even) td { background: #f9fbfa; }
.td-b { font-weight: 700; }
.badge-g, .badge-y, .badge-r {
  display: inline-block;
  padding: 2px 9px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}
.badge-g { background: #dcfce7; color: #166534; }
.badge-y { background: #fef9c3; color: #854d0e; }
.badge-r { background: #fee2e2; color: #991b1b; }

/* CTA */
.b-cta {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: #fff;
  border-radius: 16px;
  padding: 26px;
  margin: 30px 0;
  text-align: center;
}
.b-cta h3 { margin: 0 0 8px; font-size: 1.25rem; }
.b-cta p { margin: 0 0 16px; opacity: 0.92; }
.b-cta-btn {
  display: inline-block;
  background: #fff;
  color: var(--color-primary-hover);
  font-weight: 700;
  padding: 12px 26px;
  border-radius: 999px;
}
.b-cta-btn:hover { color: var(--color-primary); transform: translateY(-1px); }

/* Conclusão */
.b-conclusao {
  background: #ecfdf3;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius);
  padding: 20px 22px;
  margin: 30px 0;
}
.b-conclusao h2 { margin-top: 0; font-size: 1.3rem; }

/* FAQ */
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 12px;
  background: var(--color-surface);
}
.faq-q { font-weight: 700; margin-bottom: 8px; }
.faq-a { color: var(--color-muted); font-size: 0.95rem; margin: 0; }

/* Artigos relacionados (rich) */
.artigos-rel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}
.artigo-rel-card {
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px;
  background: var(--color-surface);
  transition: border-color 0.2s, transform 0.2s;
}
.artigo-rel-card:hover { border-color: var(--color-primary); transform: translateY(-2px); }
.artigo-rel-tag {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 6px;
}
.artigo-rel-titulo { font-weight: 600; color: var(--color-text); font-size: 0.98rem; }

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .main-nav {
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 20px;
    display: none;
  }
  .main-nav.open { display: flex; }
  .nav-dropdown-menu { position: static; min-width: 0; flex-direction: column; display: none; }
  .nav-dropdown.open .nav-dropdown-menu { display: flex; }
  .blog-hero { padding: 22px 18px; }
  .blog-hero h1 { font-size: 1.55rem; }
  .blog-secao h2 { font-size: 1.25rem; }
  .b-formula-eq { font-size: 1.3rem; }
}