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

:root {
  /* Paleta da apresentação WISE — azul marinho + roxo slate */
  --color-bg: #0a1628;
  --color-bg-mid: #0d1e35;
  --color-surface: #112040;
  --color-surface-2: #162850;
  --color-border: #1e3260;
  --color-border-light: #243a72;

  /* Acento — roxo slate da apresentação */
  --color-accent: #7c8fc7;
  --color-accent-light: #a0b0dc;
  --color-accent-dim: rgba(124, 143, 199, 0.15);

  /* Textos */
  --color-text: #e8edf8;
  --color-text-muted: #8a9cc0;
  --color-text-faint: #445577;

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 12px;
  --radius-sm: 8px;
  --transition: 0.22s ease;
  --max-width: 1100px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
ul { list-style: none; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}

/* =============================================
   HEADER
   ============================================= */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 22, 40, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo-icon { flex-shrink: 0; }

.logo-text-group {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.logo-name {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-text);
}

.logo-sub {
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

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

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  letter-spacing: 0.01em;
}

.btn-primary {
  background: var(--color-accent);
  color: #0a1628;
}

.btn-primary:hover {
  background: var(--color-accent-light);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border-light);
}

.btn-ghost:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
}

.full-width { width: 100%; }

/* =============================================
   HERO
   ============================================= */
.hero {
  position: relative;
  padding: 7rem 0 6rem;
  overflow: hidden;
  background: linear-gradient(135deg, #0a1628 0%, #0e1f3d 60%, #131f40 100%);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 40%, rgba(60, 80, 160, 0.18) 0%, transparent 65%);
  pointer-events: none;
}

.hero-bg-shape {
  position: absolute;
  top: -150px;
  right: -150px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(124, 143, 199, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 700px;
  position: relative;
  z-index: 1;
}

.hero-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-bottom: 1.25rem;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.highlight { color: var(--color-accent-light); }

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 540px;
  line-height: 1.8;
  margin-bottom: 2.5rem;
}

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

/* =============================================
   METRICS
   ============================================= */
.metrics {
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: 3rem 0;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.metric-number {
  font-size: 1.85rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-accent-light);
}

.metric-label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* =============================================
   CONTEXT SECTION
   ============================================= */
.context-section {
  padding: 6rem 0;
  background: var(--color-bg-mid);
  border-bottom: 1px solid var(--color-border);
}

.context-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.context-text p {
  color: var(--color-text-muted);
  margin-top: 1rem;
  line-height: 1.8;
}

.challenges-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.challenge-item {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 1rem 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.challenge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
  margin-top: 0.45rem;
}

.challenge-item p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* =============================================
   SECTION HEADERS
   ============================================= */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
  display: block;
}

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--color-text);
  margin-bottom: 0.75rem;
}

.section-desc {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.75;
}

/* =============================================
   TABS
   ============================================= */
.tabs-section {
  padding: 6rem 0;
  background: var(--color-bg);
}

.tabs {
  display: flex;
  gap: 0.25rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 3.5rem;
  overflow-x: auto;
}

.tab-btn {
  padding: 0.75rem 1.4rem;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: all var(--transition);
  white-space: nowrap;
}

.tab-btn:hover { color: var(--color-text); }

.tab-btn.active {
  color: var(--color-accent-light);
  border-bottom-color: var(--color-accent);
}

.tab-panel { display: none; animation: fadeIn 0.3s ease; }
.tab-panel.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.panel-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 4rem;
  align-items: start;
}

.panel-text h3 {
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}

.panel-text p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.feature-list {
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.feature-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--color-text);
}

.feature-list li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-accent);
  flex-shrink: 0;
}

.panel-visual {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.visual-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.visual-card.accent {
  background: var(--color-surface-2);
  border-color: var(--color-border-light);
}

.visual-icon {
  font-size: 1.2rem;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.visual-card h4 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: 0.6rem;
}

.visual-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* =============================================
   MODELO DE ATUAÇÃO
   ============================================= */
.modelo-section {
  padding: 6rem 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.modelo-steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-top: 1rem;
}

.step {
  flex: 1;
  padding: 2rem 1.75rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: border-color var(--transition);
}

.step:hover { border-color: var(--color-accent); }

.step-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-accent-dim);
  letter-spacing: -0.03em;
  margin-bottom: 0.75rem;
  font-variant-numeric: tabular-nums;
  color: rgba(124, 143, 199, 0.3);
}

.step-content h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent-light);
  margin-bottom: 0.5rem;
}

.step-content p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

.step-arrow {
  font-size: 1.25rem;
  color: var(--color-border-light);
  padding: 0 0.75rem;
  margin-top: 2.5rem;
  flex-shrink: 0;
}

/* =============================================
   DIFERENCIAIS
   ============================================= */
.diferenciais-section {
  padding: 6rem 0;
  background: var(--color-bg-mid);
}

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

.diferencial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
  transition: border-color var(--transition), transform var(--transition);
}

.diferencial-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.dif-icon {
  font-size: 1.1rem;
  color: var(--color-accent);
  margin-bottom: 0.9rem;
}

.diferencial-card h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.6rem;
}

.diferencial-card p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* =============================================
   ABOUT
   ============================================= */
.about-section {
  padding: 6rem 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
  align-items: center;
}

.image-box {
  width: 100%;
  aspect-ratio: 3/4;
  background: var(--color-surface-2);
  border-radius: var(--radius);
  border: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.image-placeholder-text {
  font-size: 0.8rem;
  color: var(--color-text-faint);
  line-height: 1.8;
}

.about-text h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 0.4rem;
}

.about-role {
  font-size: 0.875rem;
  color: var(--color-accent);
  font-weight: 500;
  margin-bottom: 1.5rem;
}

.about-text p {
  color: var(--color-text-muted);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.tag {
  font-size: 0.75rem;
  font-weight: 500;
  padding: 0.35rem 0.85rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: 100px;
  color: var(--color-text-muted);
}

/* =============================================
   CONTACT
   ============================================= */
.contact-section {
  padding: 6rem 0;
  background: var(--color-bg);
}

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: start;
}

.contact-text h2 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.contact-text > p {
  color: var(--color-text-muted);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
}

.contact-icon {
  width: 28px;
  text-align: center;
  color: var(--color-accent);
  font-style: normal;
  font-size: 0.9rem;
}

.contact-link {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.contact-link:hover { color: var(--color-accent-light); }

.contact-quote {
  border-left: 3px solid var(--color-accent);
  padding-left: 1.25rem;
  font-style: italic;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-top: 1.5rem;
}

/* FORM */
.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition);
  -webkit-appearance: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-faint);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-accent);
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238a9cc0' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-group select option {
  background: var(--color-surface);
  color: var(--color-text);
}

.form-note {
  font-size: 0.75rem;
  color: var(--color-text-faint);
  text-align: center;
}

.form-success {
  text-align: center;
  padding: 3rem 2rem;
}

.form-success h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.form-success p {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.success-icon {
  font-size: 2.25rem;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

/* =============================================
   FOOTER
   ============================================= */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--color-text-faint);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--color-text); }

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 960px) {
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .context-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .panel-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .panel-visual { flex-direction: row; }
  .modelo-steps { flex-direction: column; gap: 1rem; }
  .step-arrow { display: none; }
  .diferenciais-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-image-placeholder { max-width: 250px; }
  .contact-inner { grid-template-columns: 1fr; gap: 3rem; }
}

@media (max-width: 600px) {
  .nav-links { gap: 1.25rem; }
  .hero { padding: 4.5rem 0 3.5rem; }
  .metrics-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .tabs { flex-wrap: wrap; }
  .panel-visual { flex-direction: column; }
  .diferenciais-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}

/* =============================================
   ARTIGO TÉCNICO
   ============================================= */
.artigo-section {
  padding: 6rem 0;
  background: var(--color-bg-mid);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.artigo-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 3rem;
  max-width: 820px;
  margin: 0 auto;
}

.artigo-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.75rem;
}

.artigo-tag {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.8rem;
  background: var(--color-accent-dim);
  color: var(--color-accent-light);
  border-radius: 100px;
  border: 1px solid rgba(124, 143, 199, 0.2);
}

.artigo-date {
  font-size: 0.75rem;
  color: var(--color-text-faint);
  margin-left: auto;
}

.artigo-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  color: var(--color-text);
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--color-border);
}

.artigo-intro p {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.85;
  font-style: italic;
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--color-accent);
  background: var(--color-bg);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin-bottom: 0;
}

/* Corpo do artigo — oculto por padrão */
.artigo-body {
  display: none;
  margin-top: 2rem;
  animation: fadeIn 0.35s ease;
}

.artigo-body.open {
  display: block;
}

.artigo-topicos {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin-bottom: 2rem;
}

.topico {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--color-border);
}

.topico:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.topico h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.topico-num {
  color: var(--color-accent);
  font-weight: 700;
  min-width: 1.5rem;
}

.topico p {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.85;
}

.topico p em {
  color: var(--color-accent-light);
  font-style: italic;
}

.artigo-conclusao {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 1.75rem;
  margin-top: 1rem;
}

.artigo-conclusao h4 {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}

.artigo-conclusao p {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.85;
}

/* Botão toggle */
.artigo-toggle {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.75rem;
  background: none;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 0.65rem 1.25rem;
  font-family: var(--font);
  font-size: 0.825rem;
  font-weight: 500;
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition);
}

.artigo-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-text);
}

.toggle-icon {
  font-size: 0.9rem;
  transition: transform var(--transition);
}

.toggle-icon.open {
  transform: rotate(180deg);
}

/* =============================================
   NAV ACTIVE STATE
   ============================================= */
.nav-active {
  color: var(--color-accent-light) !important;
}

/* =============================================
   PAGE HERO (páginas internas)
   ============================================= */
.page-hero {
  padding: 5rem 0 4rem;
  background: linear-gradient(135deg, #0a1628 0%, #0e1f3d 100%);
  border-bottom: 1px solid var(--color-border);
}

.page-hero-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.page-hero-sub {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 560px;
  line-height: 1.8;
}

/* =============================================
   INDEX — PREVIEW DE ARTIGOS
   ============================================= */
.artigos-preview-section {
  padding: 6rem 0;
  background: var(--color-bg-mid);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.artigos-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
  gap: 1.5rem;
  max-width: 820px;
  margin: 0 auto;
}

.artigo-preview-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: border-color var(--transition), transform var(--transition);
}

.artigo-preview-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.artigo-preview-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.25rem;
}

.artigo-preview-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.45;
  margin-bottom: 0.85rem;
}

.artigo-preview-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.artigo-preview-link {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color var(--transition);
}

.artigo-preview-card:hover .artigo-preview-link {
  color: var(--color-accent-light);
}

/* =============================================
   ARTIGOS — LISTAGEM (artigos.html)
   ============================================= */
.artigos-lista-section {
  padding: 5rem 0 7rem;
  background: var(--color-bg);
}

.artigos-lista {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.artigo-list-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 2.5rem;
  transition: border-color var(--transition), transform var(--transition);
}

.artigo-list-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.alc-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.25rem;
}

.alc-date {
  font-size: 0.72rem;
  color: var(--color-text-faint);
  margin-left: auto;
}

.alc-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.4;
  letter-spacing: -0.02em;
  margin-bottom: 0.9rem;
}

.alc-excerpt {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.alc-link {
  font-size: 0.825rem;
  font-weight: 600;
  color: var(--color-accent);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  transition: color var(--transition);
}

.alc-arrow { transition: transform var(--transition); }

.artigo-list-card:hover .alc-link { color: var(--color-accent-light); }
.artigo-list-card:hover .alc-arrow { transform: translateX(4px); }

/* =============================================
   ARTIGO — PÁGINA COMPLETA
   ============================================= */
.artigo-page {
  background: var(--color-bg);
  padding: 3.5rem 0 6rem;
}

.artigo-page-inner {
  max-width: 760px;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--color-text-faint);
  margin-bottom: 2.5rem;
}

.breadcrumb a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.breadcrumb a:hover { color: var(--color-accent); }
.bc-sep { color: var(--color-text-faint); }

/* Header do artigo */
.artigo-header {
  margin-bottom: 2.5rem;
  padding-bottom: 2.5rem;
  border-bottom: 1px solid var(--color-border);
}

.artigo-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
}

.artigo-tag {
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.28rem 0.75rem;
  background: var(--color-accent-dim);
  color: var(--color-accent-light);
  border-radius: 100px;
  border: 1px solid rgba(124, 143, 199, 0.18);
}

.artigo-page-title {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.25;
  color: var(--color-text);
  margin-bottom: 1.25rem;
}

.artigo-byline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.byline-author {
  font-weight: 600;
  color: var(--color-text);
}

.byline-role,
.byline-date {
  color: var(--color-text-muted);
}

.byline-sep { color: var(--color-text-faint); }

/* Conteúdo tipográfico */
.artigo-content {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--color-text-muted);
}

.artigo-lead {
  font-size: 1.075rem;
  color: var(--color-text);
  line-height: 1.85;
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.artigo-content p {
  margin-bottom: 1.25rem;
}

.artigo-content h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text);
  margin-top: 3rem;
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.artigo-num {
  color: var(--color-accent);
  font-weight: 700;
  min-width: 1.75rem;
}

.artigo-content blockquote {
  border-left: 3px solid var(--color-accent);
  padding: 1rem 1.5rem;
  margin: 1.75rem 0;
  background: var(--color-surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
  color: var(--color-text);
  font-size: 1.025rem;
  line-height: 1.75;
}

.artigo-content em {
  color: var(--color-accent-light);
  font-style: italic;
}

.artigo-divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 3rem 0;
}

.artigo-conclusao-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  padding: 2rem 2.25rem;
  margin-top: 1rem;
}

.artigo-conclusao-box h3 {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: 1rem;
}

.artigo-conclusao-box p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.85;
  margin-bottom: 0.75rem;
}

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

/* Card do autor */
.artigo-autor {
  margin-top: 4rem;
  padding: 2rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  flex-wrap: wrap;
}

.autor-info {
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  flex: 1;
}

.autor-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent-dim);
  border: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent-light);
  flex-shrink: 0;
}

.autor-nome {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 0.35rem;
}

.autor-desc {
  font-size: 0.825rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* Navegação inferior */
.artigo-nav-bottom {
  margin-top: 3rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

/* =============================================
   RESPONSIVE — PÁGINAS INTERNAS
   ============================================= */
@media (max-width: 600px) {
  .artigo-autor {
    flex-direction: column;
    align-items: flex-start;
  }

  .artigo-nav-bottom {
    flex-direction: column;
  }

  .artigo-nav-bottom .btn {
    width: 100%;
    text-align: center;
  }

  .alc-meta { flex-direction: column; align-items: flex-start; }
  .alc-date { margin-left: 0; }

  .artigos-preview-grid {
    grid-template-columns: 1fr;
  }
}

/* =============================================
   PÁGINA DE SUCESSO
   ============================================= */
.sucesso-section {
  min-height: calc(100vh - 130px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
}

.sucesso-inner {
  text-align: center;
  padding: 4rem 2rem;
}

.sucesso-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-accent-dim);
  border: 1px solid rgba(124, 143, 199, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--color-accent-light);
  margin: 0 auto 1.75rem;
}

.sucesso-inner h1 {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 1rem;
}

.sucesso-inner p {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.75;
  max-width: 400px;
  margin: 0 auto 2rem;
}
.about-photo {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius);
  border: 1px solid var(--color-border-light);
  display: block;
}

/* =============================================
   FOTO DO CONSULTOR
   ============================================= */
.about-photo {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius);
  border: 1px solid var(--color-border-light);
  display: block;
}