/* ================================================================
   aprendaIA — Design System
   aprendaia.com.br | Fernando Schmidt
================================================================ */

/* ----------------------------------------------------------------
   1. VARIÁVEIS CSS / TOKENS
---------------------------------------------------------------- */
:root {
  --color-bg:           #0d0d0d;
  --color-surface:      #1f1f1f;
  --color-surface-alt:  #252525;
  --color-border:       #2a2a2a;
  --color-accent:       #7c3aed;
  --color-accent-light: #a78bfa;
  --color-green:        #10b981;
  --color-orange:       #f97316;
  --color-red:          #ef4444;
  --color-blue:         #3b82f6;
  --color-yellow:       #eab308;
  --color-cyan:         #06b6d4;
  --color-text:         #f0f0f0;
  --color-text-muted:   #999999;
  --color-text-soft:    #cccccc;

  --font-body:    'Plus Jakarta Sans', sans-serif;
  --font-heading: 'Syne', sans-serif;

  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  --shadow-card: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-glow: 0 0 40px rgba(124,58,237,0.25);
  --transition: all 0.2s ease;
}

/* ----------------------------------------------------------------
   2. RESET / BASE
---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
  margin-top: 0;
}

a { color: var(--color-accent-light); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--color-accent); }

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

p { margin-top: 0; color: var(--color-text-soft); }

/* ----------------------------------------------------------------
   3. TIPOGRAFIA
---------------------------------------------------------------- */
.logo-text {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-text);
  letter-spacing: -0.02em;
}
.logo-text .logo-ia {
  color: var(--color-accent-light);
}

/* ----------------------------------------------------------------
   4. BANNER DE PRAZO (TOPO)
---------------------------------------------------------------- */
.banner-prazo {
  background: linear-gradient(90deg, var(--color-orange) 0%, var(--color-red) 100%);
  color: #fff;
  text-align: center;
  padding: 10px 20px;
  font-size: 0.88rem;
  font-weight: 600;
  position: relative;
  z-index: 100;
}
.banner-prazo a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 2px;
}
.banner-prazo a:hover { opacity: 0.85; }

/* ----------------------------------------------------------------
   5. HERO
---------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding: 100px 20px 80px;
  text-align: center;
  overflow: hidden;
  background: var(--color-bg);
}

/* Grid de pontos */
.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

/* Glow roxo radial */
.hero-section::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 700px;
  height: 400px;
  transform: translate(-50%, -60%);
  background: radial-gradient(ellipse, rgba(124,58,237,0.3) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(124,58,237,0.15);
  border: 1px solid rgba(167,139,250,0.3);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-accent-light);
  margin-bottom: 24px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.hero-section h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 20px;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 56px;
}

/* Stats de autoridade */
.hero-stats {
  display: flex;
  gap: 40px;
  justify-content: center;
  flex-wrap: wrap;
}
.hero-stat {
  text-align: center;
}
.hero-stat .stat-number {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 4px;
}
.hero-stat .stat-label {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ----------------------------------------------------------------
   6. BOTÕES
---------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}
.btn-primary:hover {
  background: #6d28d9;
  color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(124,58,237,0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-accent-light);
  color: var(--color-accent-light);
  transform: translateY(-1px);
}

.btn-outline-accent {
  background: transparent;
  color: var(--color-accent-light);
  border: 1px solid rgba(167,139,250,0.4);
}
.btn-outline-accent:hover {
  background: rgba(124,58,237,0.1);
  border-color: var(--color-accent-light);
}

.btn-sm { padding: 8px 16px; font-size: 0.85rem; }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }
.btn-full { width: 100%; justify-content: center; }

/* Botão de compartilhamento */
.btn-share {
  background: rgba(255,255,255,0.05);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
}
.btn-share:hover {
  background: rgba(255,255,255,0.1);
  color: var(--color-text);
}

/* ----------------------------------------------------------------
   7. SEÇÃO COMO FUNCIONA
---------------------------------------------------------------- */
.como-funciona {
  padding: 72px 20px;
  background: var(--color-surface);
}
.como-funciona-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.section-title {
  text-align: center;
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin-bottom: 48px;
}
.como-funciona-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.cf-card {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
}
.cf-card:hover {
  border-color: rgba(167,139,250,0.3);
  transform: translateY(-3px);
}
.cf-icon {
  font-size: 2rem;
  margin-bottom: 16px;
  display: block;
}
.cf-card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}
.cf-card p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin: 0;
}

/* ----------------------------------------------------------------
   8. FILTROS (STICKY)
---------------------------------------------------------------- */
.filtros-section {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(13,13,13,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 20px;
}
.filtros-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.filtro-btn {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  font-size: 0.83rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  font-family: var(--font-body);
}
.filtro-btn:hover,
.filtro-btn.active {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}
.filtro-btn[data-filter="certificado"],
.filtro-btn[data-filter="prazo"] {
  border-style: dashed;
}
.filtro-btn[data-filter="certificado"].active {
  background: var(--color-green);
  border-color: var(--color-green);
}
.filtro-btn[data-filter="prazo"].active {
  background: var(--color-orange);
  border-color: var(--color-orange);
}

/* ----------------------------------------------------------------
   9. GRID DE CURSOS + SIDEBAR
---------------------------------------------------------------- */
.cursos-section {
  padding: 48px 20px;
}
.cursos-layout {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 32px;
  align-items: start;
}
@media (max-width: 1024px) {
  .cursos-layout { grid-template-columns: 1fr; }
  .cursos-sidebar { display: none; }
}

/* Campo de busca */
.busca-wrapper {
  position: relative;
  margin-bottom: 24px;
}
.busca-input {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 16px 12px 44px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}
.busca-input:focus {
  outline: none;
  border-color: var(--color-accent-light);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}
.busca-input::placeholder { color: var(--color-text-muted); }
.busca-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  pointer-events: none;
}

/* Resultados count */
.cursos-count {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}
.cursos-count strong { color: var(--color-text); }

/* Grid de cards */
.cursos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

/* Estado vazio */
.no-cursos {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--color-text-muted);
}
.no-cursos p { font-size: 1rem; }

/* ----------------------------------------------------------------
   10. CARD DE CURSO
---------------------------------------------------------------- */
.curso-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.curso-card:hover {
  border-color: rgba(167,139,250,0.3);
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
}
.curso-card.destaque {
  border-color: rgba(124,58,237,0.5);
  box-shadow: 0 0 0 1px rgba(124,58,237,0.2);
}
.curso-card.destaque::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
}
.curso-card.tem-prazo {
  border-color: rgba(249,115,22,0.4);
}

/* Ponto brilhante destaque */
.glow-dot {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-accent-light);
  box-shadow: 0 0 8px var(--color-accent-light);
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.6; transform: scale(1.4); }
}

/* Badges linha 1 */
.card-badges {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  align-items: center;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
.badge-categoria {
  color: #fff;
}
.badge-plataforma {
  background: rgba(255,255,255,0.08);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.badge-novo {
  background: rgba(16,185,129,0.15);
  color: var(--color-green);
  border: 1px solid rgba(16,185,129,0.3);
}

/* Título do card */
.card-title {
  font-family: var(--font-heading);
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.35;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Descrição */
.card-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Chips de info */
.card-chips {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}
.chip.chip-green {
  background: rgba(16,185,129,0.1);
  border-color: rgba(16,185,129,0.25);
  color: var(--color-green);
}
.chip.chip-gold {
  background: rgba(234,179,8,0.1);
  border-color: rgba(234,179,8,0.25);
  color: var(--color-yellow);
}
.chip.chip-orange {
  background: rgba(249,115,22,0.15);
  border-color: rgba(249,115,22,0.35);
  color: var(--color-orange);
  font-weight: 600;
}

/* Rodapé do card */
.card-footer {
  display: flex;
  gap: 8px;
  margin-top: auto;
  padding-top: 4px;
}
.card-footer .btn-primary { flex: 1; font-size: 0.85rem; padding: 10px 16px; }

/* ----------------------------------------------------------------
   11. SIDEBAR
---------------------------------------------------------------- */
.cursos-sidebar {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.sidebar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
}
.sidebar-card h3 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
}

/* Card do autor */
.author-card .author-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.author-avatar {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.author-name {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--color-text);
  margin: 0 0 2px;
}
.author-title {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.4;
  margin: 0;
}

/* Card mais acessados */
.top-list { list-style: none; padding: 0; margin: 0; }
.top-list li {
  padding: 8px 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.top-list li:last-child { border-bottom: none; padding-bottom: 0; }
.top-rank {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent-light);
  min-width: 20px;
}
.top-list a {
  font-size: 0.83rem;
  color: var(--color-text-soft);
  line-height: 1.3;
}
.top-list a:hover { color: var(--color-accent-light); }

/* ----------------------------------------------------------------
   12. NEWSLETTER
---------------------------------------------------------------- */
.newsletter-section {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 72px 20px;
}
.newsletter-inner {
  max-width: 540px;
  margin: 0 auto;
  text-align: center;
}
.newsletter-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  margin-bottom: 12px;
}
.newsletter-subtitle {
  color: var(--color-text-muted);
  margin-bottom: 32px;
  font-size: 0.95rem;
}
.newsletter-form { display: flex; flex-direction: column; gap: 12px; }
.form-input {
  width: 100%;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 13px 16px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: var(--transition);
}
.form-input:focus {
  outline: none;
  border-color: var(--color-accent-light);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.15);
}
.form-input::placeholder { color: var(--color-text-muted); }
.newsletter-disclaimer {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 8px;
}

/* Sidebar newsletter card */
.newsletter-card .newsletter-form { text-align: left; }
.newsletter-card p {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  margin-bottom: 12px;
  line-height: 1.5;
}

/* ----------------------------------------------------------------
   13. PÁGINA INDIVIDUAL DO CURSO
---------------------------------------------------------------- */
.single-curso-wrap {
  max-width: 800px;
  margin: 0 auto;
  padding: 48px 20px 72px;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: var(--color-accent-light); }
.breadcrumb-sep { opacity: 0.4; }

/* Badges topo curso */
.single-curso-badges {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

/* H1 do curso */
.single-curso-wrap h1 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  margin-bottom: 16px;
}

/* Lead */
.curso-lead {
  font-size: 1.05rem;
  color: var(--color-text-soft);
  line-height: 1.7;
  margin-bottom: 36px;
  padding-bottom: 36px;
  border-bottom: 1px solid var(--color-border);
}

/* Ficha técnica */
.ficha-tecnica {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 36px;
}
.ficha-tecnica table {
  width: 100%;
  border-collapse: collapse;
}
.ficha-tecnica th,
.ficha-tecnica td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
}
.ficha-tecnica tr:last-child th,
.ficha-tecnica tr:last-child td { border-bottom: none; }
.ficha-tecnica th {
  width: 40%;
  color: var(--color-text-muted);
  font-weight: 500;
  background: rgba(255,255,255,0.02);
}
.ficha-tecnica td {
  color: var(--color-text);
  font-weight: 600;
}
.ficha-tecnica .td-green { color: var(--color-green); }
.ficha-tecnica .td-orange { color: var(--color-orange); }

/* Seções do curso */
.curso-secao {
  margin-bottom: 32px;
}
.curso-secao h2 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-accent-light);
  display: flex;
  align-items: center;
  gap: 8px;
}
.curso-secao p,
.curso-secao li {
  font-size: 0.95rem;
  color: var(--color-text-soft);
  line-height: 1.7;
}
.curso-secao ul {
  padding-left: 20px;
  margin: 0;
}
.curso-secao ul li { margin-bottom: 6px; }

/* Comentário editorial */
.editorial-box {
  background: linear-gradient(135deg, rgba(124,58,237,0.08), rgba(167,139,250,0.05));
  border: 1px solid rgba(124,58,237,0.3);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 32px;
}
.editorial-box .editorial-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.editorial-box .editorial-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--color-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.9rem;
}
.editorial-box .editorial-name {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent-light);
}
.editorial-box p {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-text-soft);
  margin: 0;
  line-height: 1.7;
}

/* Como se inscrever */
.inscricao-steps {
  counter-reset: step;
  padding: 0;
  list-style: none;
  margin: 0 0 16px;
}
.inscricao-steps li {
  counter-increment: step;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 12px;
  font-size: 0.95rem;
  color: var(--color-text-soft);
}
.inscricao-steps li::before {
  content: counter(step);
  min-width: 28px; height: 28px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* CTA do curso */
.curso-cta-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-align: center;
  margin-bottom: 48px;
}
.curso-cta-box p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 10px;
  margin-bottom: 0;
}

/* Cursos relacionados */
.cursos-relacionados {
  margin-bottom: 48px;
}
.cursos-relacionados h2 {
  font-size: 1.2rem;
  margin-bottom: 20px;
}
.relacionados-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

/* ----------------------------------------------------------------
   14. HUB DE CATEGORIAS (/cursos/)
---------------------------------------------------------------- */
.hub-section {
  padding: 64px 20px;
}
.hub-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.hub-inner h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 12px;
}
.hub-intro {
  color: var(--color-text-muted);
  margin-bottom: 48px;
  font-size: 1rem;
}
.categorias-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.categoria-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--transition);
  text-decoration: none;
}
.categoria-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card);
  border-color: rgba(167,139,250,0.3);
}
.cat-icon-wrap {
  width: 52px; height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.cat-info h3 {
  font-size: 1rem;
  margin-bottom: 4px;
  color: var(--color-text);
}
.cat-info span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}
.cat-arrow {
  margin-left: auto;
  color: var(--color-text-muted);
  font-size: 1.1rem;
  transition: var(--transition);
}
.categoria-card:hover .cat-arrow {
  color: var(--color-accent-light);
  transform: translateX(3px);
}

/* ----------------------------------------------------------------
   15. PÁGINAS SIMPLES (sobre, metodologia, etc.)
---------------------------------------------------------------- */
.page-content-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 64px 20px 80px;
}
.page-content-wrap h1 {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--color-border);
}
.page-content-wrap h2 {
  font-size: 1.2rem;
  margin-top: 36px;
  margin-bottom: 12px;
  color: var(--color-accent-light);
}
.page-content-wrap p,
.page-content-wrap li {
  color: var(--color-text-soft);
  line-height: 1.75;
  font-size: 0.97rem;
}
.page-content-wrap ul {
  padding-left: 20px;
}
.page-content-wrap ul li { margin-bottom: 8px; }
.page-content-wrap strong { color: var(--color-text); }

/* Contato */
.contato-form { display: flex; flex-direction: column; gap: 16px; margin-top: 32px; }
.contato-links {
  display: flex;
  gap: 16px;
  margin-top: 32px;
  flex-wrap: wrap;
}
.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text-soft);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}
.social-link:hover {
  border-color: var(--color-accent-light);
  color: var(--color-accent-light);
}

/* ----------------------------------------------------------------
   16. NAVEGAÇÃO / HEADER
---------------------------------------------------------------- */
.site-header-aprendaia {
  background: rgba(13,13,13,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 90;
  padding: 0 20px;
}
.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.header-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}
.header-nav a {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
}
.header-nav a:hover,
.header-nav a.current { color: var(--color-text); }

/* ----------------------------------------------------------------
   17. FOOTER
---------------------------------------------------------------- */
.site-footer-aprendaia {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: 48px 20px 24px;
}
.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
}
.footer-col h4 {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}
.footer-col p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin: 0;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 8px; }
.footer-links a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}
.footer-links a:hover { color: var(--color-text); }
.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

/* ----------------------------------------------------------------
   18. UTILITÁRIOS
---------------------------------------------------------------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
.text-center { text-align: center; }
.text-accent { color: var(--color-accent-light); }
.text-muted  { color: var(--color-text-muted); }
.text-green  { color: var(--color-green); }
.text-orange { color: var(--color-orange); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* Loading spinner */
.loading-spinner {
  display: flex;
  justify-content: center;
  padding: 48px;
}
.spinner {
  width: 36px; height: 36px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Toast de compartilhamento */
.toast-share {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 20px;
  font-size: 0.85rem;
  color: var(--color-text);
  box-shadow: var(--shadow-card);
  z-index: 9999;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.3s ease;
  pointer-events: none;
}
.toast-share.show {
  opacity: 1;
  transform: translateY(0);
}

/* ----------------------------------------------------------------
   19. RESPONSIVO
---------------------------------------------------------------- */
@media (max-width: 768px) {
  .hero-section { padding: 72px 20px 56px; }
  .hero-ctas { flex-direction: column; align-items: center; }
  .hero-stats { gap: 24px; }
  .filtros-inner { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 4px; }
  .cursos-grid { grid-template-columns: 1fr; }
  .ficha-tecnica th { width: 45%; font-size: 0.82rem; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

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