/* ============================================================
   BLOGNUTRI - ESTILO COMUM DOS ARTIGOS
   ============================================================ */

:root {
  --azul-escuro: #064e3b;      /* verde escuro */
  --azul-medio: #047857;        /* verde médio */
  --azul-tech: #059669;         /* verde principal */
  --verde-confianca: #10b981;
  --laranja-atencao: #f59e0b;
  --vermelho-alerta: #ef4444;
  --cinza-claro: #f8fafc;
  --cinza-medio: #e2e8f0;
  --cinza-texto: #475569;
  --branco: #ffffff;
  --sombra-card: 0 4px 6px -1px rgba(0,0,0,0.08);
  --sombra-card-hover: 0 20px 25px -5px rgba(0,0,0,0.10);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', Arial, sans-serif;
  color: var(--azul-escuro);
  line-height: 1.7;
  background: var(--branco);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-wide {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* HEADER */
.header {
  position: sticky;
  top: 0;
  background: white;
  border-bottom: 1px solid var(--cinza-medio);
  z-index: 100;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--azul-escuro);
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--azul-tech), var(--verde-confianca));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 28px;
  align-items: center;
}

.nav-menu a {
  text-decoration: none;
  color: var(--cinza-texto);
  font-weight: 500;
  font-size: 15px;
  transition: all 0.3s;
}

.nav-menu a:hover {
  color: var(--azul-tech);
}

.nav-menu a.destacado {
  background: var(--azul-tech);
  color: white !important;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600 !important;
}

.nav-menu a.destacado:hover {
  background: var(--azul-escuro);
}

/* BREADCRUMB */
.breadcrumb {
  background: var(--cinza-claro);
  padding: 16px 0;
  font-size: 14px;
  color: var(--cinza-texto);
}

.breadcrumb a {
  color: var(--azul-tech);
  text-decoration: none;
}

.breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb span {
  margin: 0 8px;
}

/* ARTIGO */
.artigo {
  padding: 48px 0 64px;
}

.artigo-header {
  text-align: center;
  margin-bottom: 48px;
}

.artigo-categoria {
  display: inline-block;
  background: rgba(5,150,105,0.1);
  color: var(--azul-tech);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

h1 {
  font-size: 40px;
  font-weight: 800;
  color: var(--azul-escuro);
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.artigo-meta {
  color: var(--cinza-texto);
  font-size: 14px;
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}

.artigo-conteudo {
  font-size: 17px;
  line-height: 1.8;
  color: var(--azul-escuro);
}

.artigo-conteudo p {
  margin-bottom: 20px;
  color: var(--cinza-texto);
}

.artigo-conteudo h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--azul-escuro);
  margin: 40px 0 16px;
  line-height: 1.3;
}

.artigo-conteudo h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--azul-escuro);
  margin: 32px 0 12px;
}

.artigo-conteudo strong {
  color: var(--azul-escuro);
}

.artigo-conteudo a {
  color: var(--azul-tech);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px dotted var(--azul-tech);
}

.artigo-conteudo a:hover {
  border-bottom-style: solid;
}

.artigo-conteudo ul,
.artigo-conteudo ol {
  margin: 20px 0;
  padding-left: 24px;
}

.artigo-conteudo li {
  margin-bottom: 10px;
  color: var(--cinza-texto);
}

.artigo-conteudo li strong {
  color: var(--azul-escuro);
}

/* DESTAQUE */
.destaque-box {
  background: linear-gradient(135deg, #ecfdf5 0%, #ffffff 100%);
  border-left: 4px solid var(--azul-tech);
  padding: 24px 28px;
  border-radius: 12px;
  margin: 32px 0;
}

.destaque-box h3 {
  margin-top: 0 !important;
  color: var(--azul-tech) !important;
  font-size: 18px !important;
}

.destaque-box p:last-child {
  margin-bottom: 0;
}

/* ALERTA */
.alerta-box {
  background: rgba(245,158,11,0.05);
  border-left: 4px solid var(--laranja-atencao);
  padding: 24px 28px;
  border-radius: 12px;
  margin: 32px 0;
}

.alerta-box h3 {
  margin-top: 0 !important;
  color: var(--laranja-atencao) !important;
  font-size: 18px !important;
}

/* VERDE/POSITIVO */
.positivo-box {
  background: rgba(16,185,129,0.05);
  border-left: 4px solid var(--verde-confianca);
  padding: 24px 28px;
  border-radius: 12px;
  margin: 32px 0;
}

.positivo-box h3 {
  margin-top: 0 !important;
  color: var(--verde-confianca) !important;
  font-size: 18px !important;
}

/* CTA NO MEIO */
.cta-artigo {
  background: linear-gradient(135deg, var(--azul-escuro) 0%, var(--azul-tech) 100%);
  color: white;
  padding: 40px 32px;
  border-radius: 16px;
  margin: 48px 0;
  text-align: center;
}

.cta-artigo h3 {
  color: white !important;
  font-size: 22px !important;
  margin-top: 0 !important;
  margin-bottom: 12px;
}

.cta-artigo p {
  color: rgba(255,255,255,0.9) !important;
  margin-bottom: 24px;
}

.cta-artigo a {
  display: inline-block;
  background: white;
  color: var(--azul-escuro) !important;
  padding: 14px 28px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none !important;
  border: none !important;
  transition: all 0.3s;
}

.cta-artigo a:hover {
  background: var(--cinza-claro);
  transform: translateY(-2px);
}

/* ARTIGOS RELACIONADOS */
.relacionados-section {
  background: var(--cinza-claro);
  padding: 64px 0;
  margin-top: 64px;
}

.relacionados-section h2 {
  text-align: center;
  font-size: 28px;
  font-weight: 800;
  color: var(--azul-escuro);
  margin-bottom: 40px;
}

.relacionados-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.relacionado-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--sombra-card);
  transition: all 0.3s;
  text-decoration: none;
  color: inherit;
  display: block;
}

.relacionado-card:hover {
  box-shadow: var(--sombra-card-hover);
  transform: translateY(-4px);
}

.relacionado-img {
  width: 100%;
  height: 140px;
  background: linear-gradient(135deg, #d1fae5 0%, #ecfdf5 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 48px;
}

.relacionado-body {
  padding: 20px;
}

.relacionado-tag {
  display: inline-block;
  background: rgba(5,150,105,0.1);
  color: var(--azul-tech);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 10px;
}

.relacionado-card h3 {
  font-size: 16px;
  color: var(--azul-escuro);
  margin: 0 0 8px !important;
  line-height: 1.4;
}

.relacionado-card p {
  color: var(--cinza-texto);
  font-size: 13px;
  line-height: 1.5;
  margin: 0;
}

/* FOOTER */
.footer {
  background: var(--azul-escuro);
  color: white;
  padding: 48px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-col p,
.footer-col a {
  color: rgba(255,255,255,0.7);
  text-decoration: none;
  font-size: 14px;
  line-height: 2;
  display: block;
}

.footer-col a:hover {
  color: var(--verde-confianca);
}

.footer-aviso {
  background: rgba(255,255,255,0.05);
  padding: 16px;
  border-radius: 8px;
  margin-top: 16px;
  font-size: 12px !important;
  line-height: 1.6 !important;
  color: rgba(255,255,255,0.6) !important;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  color: rgba(255,255,255,0.5);
  font-size: 13px;
}

/* RESPONSIVO */
@media (max-width: 768px) {
  h1 { font-size: 28px; }
  .artigo-conteudo { font-size: 16px; }
  .artigo-conteudo h2 { font-size: 22px; }
  .artigo-conteudo h3 { font-size: 18px; }
  .nav-menu { display: none; }
  .footer-grid,
  .relacionados-grid { grid-template-columns: 1fr; }
  .cta-artigo { padding: 32px 20px; }
}