/* ============================================================
   ARTIGO.CSS — EasyCusto Blog
   Estilos reutilizáveis para artigos do blog.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

/* ==================== VARIÁVEIS ==================== */
:root {
  --cor-primaria: #ab2d29;
  --cor-primaria-dark: #8a2420;
  --cor-destaque: #ff8225;
  --cor-destaque-dark: #e6731f;
  --cor-fundo-claro: #fff1f1;
  --cor-fundo-neutro: #f9f7f5;
  --cor-texto: #333;
  --cor-texto-secundario: #666;
  --cor-texto-terciario: #888;
  --cor-borda: #e5e5e5;
  --cor-branca: #fff;
  --cor-preta: #000;

  --fonte: 'Poppins', sans-serif;

  --raio: 10px;
  --raio-grande: 16px;

  --sombra-leve: 0 2px 10px rgba(0, 0, 0, 0.06);
  --sombra-media: 0 4px 20px rgba(0, 0, 0, 0.08);
  --sombra-forte: 0 8px 30px rgba(0, 0, 0, 0.12);

  --largura-maxima: 780px;
  --largura-pagina: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--fonte);
  color: var(--cor-texto);
  background: var(--cor-branca);
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

/* ==================== CONTAINER ==================== */
.container {
  max-width: var(--largura-pagina);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==================== NAVBAR ==================== */
/* ── Navbar ── */
.navbar {
    background: var(--cor-primaria);
    height: 52px;
    display: flex;
    align-items: center;
    padding: 0 24px;
}

.nav-inner {
    max-width: 960px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.nav-easy { color: var(--cor-branca); }
.nav-custo { color: var(--cor-destaque); }

.nav-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.75);
    font-size: 13px;
    transition: color 0.2s;
}

.nav-links a:hover { color: var(--cor-branca); }

.nav-links a.active {
    color: var(--cor-branca);
    font-weight: 500;
}

.nav-cta {
    background: var(--cor-destaque);
    color: var(--cor-branco) !important;
    padding: 6px 14px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 12px !important;
}

.nav-cta:hover {
    filter: brightness(0.93);
}

/* ==================== BREADCRUMB ==================== */
.article-breadcrumb {
  max-width: var(--largura-maxima);
  margin: 0 auto;
  padding: 24px 20px 0;
}

.breadcrumb-list {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--cor-texto-terciario);
  padding: 0;
  margin: 0;
  list-style: none;
}

.breadcrumb-link {
  color: var(--cor-texto-terciario);
  transition: color 0.2s;
}

.breadcrumb-link:hover {
  color: var(--cor-primaria);
}

.breadcrumb-separator {
  color: var(--cor-borda);
}

.breadcrumb-current {
  color: var(--cor-texto-secundario);
  font-weight: 500;
}

/* ==================== HEADER DO ARTIGO ==================== */
.article-header {
  max-width: var(--largura-maxima);
  margin: 0 auto;
  padding: 20px 20px 0;
  text-align: center;
}

.article-category-tag {
  display: inline-block;
  background: var(--cor-fundo-claro);
  color: var(--cor-primaria);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.article-title {
  font-size: 2rem;
  font-weight: 800;
  color: var(--cor-primaria);
  line-height: 1.25;
  margin-bottom: 14px;
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--cor-texto-terciario);
  flex-wrap: wrap;
}

.article-meta-divider {
  color: var(--cor-borda);
}

/* ==================== INTRODUÇÃO / HOOK ==================== */
.article-intro {
  max-width: var(--largura-maxima);
  margin: 0 auto;
  padding: 28px 20px 0;
}

.article-intro-text {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--cor-texto-secundario);
  border-left: 4px solid var(--cor-destaque);
  padding-left: 20px;
}

/* ==================== SEÇÕES DO ARTIGO ==================== */
.article-section {
  max-width: var(--largura-maxima);
  margin: 0 auto;
  padding: 36px 20px 0;
}

/* ==================== TIPOGRAFIA ==================== */
.article-h2 {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--cor-primaria);
  line-height: 1.3;
  margin-bottom: 16px;
}

.article-h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--cor-preta);
  margin-bottom: 8px;
}

.article-paragraph {
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--cor-texto-secundario);
  margin-bottom: 16px;
}

.article-paragraph--highlight {
  background: var(--cor-fundo-claro);
  border-left: 4px solid var(--cor-primaria);
  padding: 14px 18px;
  border-radius: 0 var(--raio) var(--raio) 0;
  font-size: 1rem;
}

.article-paragraph--highlight strong {
  color: var(--cor-primaria);
}

/* ==================== LINK INTERNO ==================== */
.article-internal-link {
  color: var(--cor-destaque);
  font-weight: 600;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s;
}

.article-internal-link:hover {
  border-bottom-color: var(--cor-destaque);
}

/* ==================== TABELAS ==================== */
.article-table-wrapper {
  overflow-x: auto;
  margin: 20px 0;
  border-radius: var(--raio);
  border: 1px solid var(--cor-borda);
  -webkit-overflow-scrolling: touch;
}

.article-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.article-table-head {
  background: var(--cor-fundo-claro);
}

.article-table-head th {
  color: var(--cor-preta);
  font-weight: 700;
  padding: 12px 16px;
  text-align: left;
  white-space: nowrap;
}

.article-table-body td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--cor-borda);
  color: var(--cor-texto-secundario);
}

.article-table-body tr:last-child td {
  border-bottom: none;
}

.article-table-body tr:hover {
  background: var(--cor-fundo-neutro);
}

.article-table-foot {
  background: var(--cor-fundo-claro);
}

.article-table-foot td {
  padding: 12px 16px;
  font-weight: 700;
  color: var(--cor-preta);
}

.article-table-total-row td {
  padding: 12px 16px;
  font-weight: 700;
  color: var(--cor-preta);
}

/* ==================== BLOCOS DE FÓRMULA ==================== */
.formula-block {
  background: var(--cor-fundo-claro);
  border: 1px solid #fdd;
  border-left: 4px solid var(--cor-primaria);
  border-radius: 0 var(--raio) var(--raio) 0;
  padding: 18px 22px;
  margin: 20px 0;
  text-align: center;
}

.formula-text {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--cor-primaria-dark);
  line-height: 1.6;
}

.formula-result {
  background: var(--cor-fundo-neutro);
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio);
  padding: 16px 22px;
  margin: 20px 0;
  text-align: center;
}

.formula-result-text {
  font-size: 1rem;
  font-weight: 600;
  color: var(--cor-texto);
}

.formula-result-text strong {
  font-size: 1.1rem;
  color: var(--cor-primaria-dark);
}

/* ==================== BREAKDOWN LIST ==================== */
.article-breakdown-list {
  margin: 16px 0 20px;
}

.article-breakdown-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 10px 0;
  border-bottom: 1px dashed var(--cor-borda);
  font-size: 0.93rem;
  gap: 12px;
}

.article-breakdown-item:last-child {
  border-bottom: none;
}

.breakdown-label {
  color: var(--cor-texto-secundario);
}

.breakdown-value {
  font-weight: 600;
  color: var(--cor-primaria-dark);
  white-space: nowrap;
}

/* ==================== CENÁRIOS DE MARGEM ==================== */
.article-margin-scenarios {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  margin: 20px 0;
}

.margin-scenario {
  background: var(--cor-fundo-neutro);
  border-radius: var(--raio);
  padding: 20px;
  text-align: center;
  border: 1px solid var(--cor-borda);
  transition: transform 0.2s, box-shadow 0.2s;
}

.margin-scenario:hover {
  transform: translateY(-2px);
  box-shadow: var(--sombra-media);
}

.margin-scenario .article-h3 {
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.margin-calculation {
  font-size: 0.88rem;
  color: var(--cor-texto-secundario);
  line-height: 1.5;
}

.margin-calculation strong {
  color: var(--cor-primaria);
  font-size: 1.05rem;
}

/* ==================== CTA (CALL TO ACTION) ==================== */
.article-cta {
  max-width: var(--largura-maxima);
  margin: 40px auto 0;
  padding: 0 20px;
}

.article-cta--primary .cta-content {
  background: var(--cor-fundo-claro);
  border-radius: var(--raio-grande);
  padding: 40px 32px;
  text-align: center;
}

.article-cta--secondary .cta-content {
  background: var(--cor-fundo-neutro);
  border: 2px solid var(--cor-borda);
  border-radius: var(--raio-grande);
  padding: 40px 32px;
  text-align: center;
}

.cta-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--cor-primaria);
  margin-bottom: 10px;
}

.cta-subtitle {
  font-size: 0.95rem;
  color: var(--cor-texto-secundario);
  line-height: 1.7;
  margin-bottom: 24px;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.cta-button {
  display: inline-block;
  background: var(--cor-destaque);
  color: var(--cor-branca);
  font-size: 1rem;
  font-weight: 600;
  padding: 14px 36px;
  border-radius: var(--raio);
  transition: background 0.2s, transform 0.2s, box-shadow 0.2s;
}

.cta-button:hover {
  background: var(--cor-destaque-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 130, 37, 0.35);
}

.cta-button--secondary {
  background: var(--cor-primaria);
}

.cta-button--secondary:hover {
  background: var(--cor-primaria-dark);
  box-shadow: 0 6px 20px rgba(171, 45, 41, 0.3);
}

/* ==================== LISTAS (ERROS / REGRAS) ==================== */
.article-list {
  margin: 16px 0;
}

.article-list-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--cor-borda);
}

.article-list-item:last-child {
  border-bottom: none;
}

.list-item-title {
  display: block;
  color: var(--cor-primaria-dark);
  font-size: 0.98rem;
  font-weight: 600;
  margin-bottom: 6px;
}

.list-item-text {
  display: block;
  font-size: 0.92rem;
  color: var(--cor-texto-secundario);
  line-height: 1.7;
}

.article-list--errors .article-list-item {
  padding-left: 20px;
  position: relative;
}

.article-list--errors .article-list-item::before {
  content: '✕';
  position: absolute;
  left: 0;
  top: 16px;
  color: var(--cor-primaria);
  font-weight: 700;
  font-size: 0.85rem;
}

.article-list--rules .article-list-item {
  padding-left: 20px;
  position: relative;
}

.article-list--rules .article-list-item::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 16px;
  color: var(--cor-destaque);
  font-weight: 700;
  font-size: 0.9rem;
}

/* ==================== CHECKLIST ==================== */
.article-checklist {
  margin: 16px 0;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--cor-borda);
  font-size: 0.94rem;
  color: var(--cor-texto-secundario);
  line-height: 1.6;
}

.checklist-item:last-child {
  border-bottom: none;
}

.checklist-item::before {
  content: '✓';
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--cor-fundo-claro);
  color: var(--cor-primaria);
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 700;
  margin-top: 1px;
}

/* ==================== BLOCOS DE ESTRATÉGIA ==================== */
.strategy-block {
  margin-bottom: 24px;
}

.strategy-block .article-h3 {
  margin-bottom: 8px;
}

/* ==================== FAQ ==================== */
.article-faq-section {
  padding-bottom: 0;
}

.article-faq {
  margin-top: 8px;
}

.faq-item {
  background: var(--cor-branca);
  border-radius: var(--raio);
  overflow: hidden;
  box-shadow: var(--sombra-leve);
  margin-bottom: 12px;
  border: 1px solid var(--cor-borda);
}

details.faq-item summary::-webkit-details-marker {
  display: none;
}

details.faq-item > summary {
  list-style: none;
}

.faq-question {
  width: 100%;
  padding: 18px 22px;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--fonte);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--cor-texto);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  user-select: none;
  transition: background 0.2s;
}

.faq-question:hover {
  background: var(--cor-fundo-neutro);
}

.faq-answer {
  padding: 0 22px 18px;
}

.faq-answer p {
  color: var(--cor-texto-secundario);
  line-height: 1.7;
  font-size: 0.93rem;
}

/* ==================== ARTIGOS RELACIONADOS ==================== */
.article-related {
  max-width: var(--largura-maxima);
  margin: 48px auto 0;
  padding: 40px 20px 48px;
  border-top: 1px solid var(--cor-borda);
}

.article-h2--related {
  text-align: center;
  margin-bottom: 28px;
}

.related-posts-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.related-post {
  display: flex;
  flex-direction: column;
  background: var(--cor-branca);
  border: 1px solid var(--cor-borda);
  border-radius: var(--raio-grande);
  padding: 24px;
  transition: transform 0.2s, box-shadow 0.2s;
}

.related-post:hover {
  transform: translateY(-3px);
  box-shadow: var(--sombra-forte);
}

.related-post-category {
  display: inline-block;
  background: var(--cor-fundo-claro);
  color: var(--cor-primaria);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  margin-bottom: 12px;
  align-self: flex-start;
}

.related-post-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cor-primaria-dark);
  line-height: 1.35;
  margin-bottom: 8px;
}

.related-post-excerpt {
  font-size: 0.85rem;
  color: var(--cor-texto-terciario);
  line-height: 1.6;
  margin-bottom: 14px;
  flex: 1;
}

.related-post-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--cor-destaque);
  transition: color 0.2s;
}

.related-post:hover .related-post-link {
  color: var(--cor-destaque-dark);
}

/* ==================== FOOTER ==================== */
.footer {
  background: var(--cor-primaria);
  color: var(--cor-branca);
  text-align: center;
  padding: 24px 20px;
  font-size: 0.85rem;
}

.footer a {
  color: var(--cor-branca);
  transition: opacity 0.2s;
}

.footer a:hover {
  opacity: 0.8;
}

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

/* Tablet */
@media (max-width: 900px) {
  .article-margin-scenarios {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .margin-scenario {
    text-align: left;
    padding: 16px 20px;
  }

  .related-posts-grid {
    grid-template-columns: 1fr;
  }
}

/* Mobile */
@media (max-width: 768px) {
  .nav-inner { flex-wrap: wrap; }
  .nav-links { gap: 12px; }
  .nav-links a { font-size: 12px; }

  .article-title {
    font-size: 1.55rem;
  }

  .article-h2 {
    font-size: 1.25rem;
  }

  .article-intro-text {
    font-size: 0.95rem;
  }

  .article-table-head th {
    padding: 10px 12px;
    font-size: 0.82rem;
  }

  .article-table-body td {
    padding: 9px 12px;
    font-size: 0.83rem;
  }

  .article-breakdown-item {
    flex-direction: column;
    gap: 4px;
  }

  .cta-content {
    padding: 28px 20px !important;
  }

  .cta-title {
    font-size: 1.2rem;
  }

  .article-related {
    padding: 32px 20px 36px;
  }
}

@media (max-width: 480px) {
  .article-title {
    font-size: 1.35rem;
  }

  .article-meta {
    flex-direction: column;
    gap: 4px;
  }

  .article-meta-divider {
    display: none;
  }

  .cta-button {
    width: 100%;
    text-align: center;
  }
}