/**
 * Blueberry Math + SESI - Sistema de Design
 * Trilha de Formação - Certificações Bronze, Prata e Ouro
 * 
 * Baseado em:
 * - Matriz Oficial de Formação
 * - Playbook do Ponto Focal SESI
 * - Padrões de acessibilidade WCAG 2.1 AA
 */

/* ============================================
   1. DESIGN TOKENS - VARIÁVEIS CSS
   ============================================ */

:root {
  /* === CORES PRIMÁRIAS === */
  --primary-blue: #0052CC;
  --primary-blue-dark: #003D99;
  --primary-blue-light: #3380FF;
  --primary-blue-lightest: #E6F0FF;

  /* === CORES SECUNDÁRIAS === */
  --secondary-orange: #FF6B00;
  --secondary-orange-light: #FF8833;
  --secondary-green: #00875A;
  --secondary-green-light: #36B37E;

  /* === CORES NEUTRAS === */
  --neutral-900: #172B4D;
  --neutral-800: #253858;
  --neutral-700: #42526E;
  --neutral-500: #6B778C;
  --neutral-300: #DFE1E6;
  --neutral-200: #EBECF0;
  --neutral-100: #F4F5F7;
  --neutral-50: #FAFBFC;
  --white: #FFFFFF;

  /* === CORES DE ESTADO === */
  --success: #00875A;
  --warning: #FF991F;
  --error: #DE350B;
  --info: #0065FF;

  /* === TIPOGRAFIA - FAMÍLIAS === */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-body: 'Open Sans', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;

  /* === TIPOGRAFIA - TAMANHOS === */
  --font-size-xs: 0.75rem;      /* 12px */
  --font-size-sm: 0.875rem;     /* 14px */
  --font-size-base: 1rem;       /* 16px */
  --font-size-md: 1.125rem;     /* 18px */
  --font-size-lg: 1.25rem;      /* 20px */
  --font-size-xl: 1.5rem;       /* 24px */
  --font-size-2xl: 1.875rem;    /* 30px */
  --font-size-3xl: 2.25rem;     /* 36px */
  --font-size-4xl: 3rem;        /* 48px */

  /* === TIPOGRAFIA - PESOS === */
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* === TIPOGRAFIA - LINE HEIGHT === */
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;

  /* === TIPOGRAFIA - LETTER SPACING === */
  --letter-spacing-tight: -0.02em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.05em;

  /* === ESPAÇAMENTO === */
  --spacing-xxs: 0.25rem;   /* 4px */
  --spacing-xs: 0.5rem;     /* 8px */
  --spacing-sm: 1rem;       /* 16px */
  --spacing-md: 1.5rem;     /* 24px */
  --spacing-lg: 2rem;       /* 32px */
  --spacing-xl: 3rem;       /* 48px */
  --spacing-xxl: 4rem;      /* 64px */
  --spacing-xxxl: 6rem;     /* 96px */

  /* === BORDER RADIUS === */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* === SOMBRAS === */
  --shadow-sm: 0 1px 2px rgba(23, 43, 77, 0.06);
  --shadow-md: 0 2px 8px rgba(23, 43, 77, 0.08);
  --shadow-lg: 0 8px 24px rgba(23, 43, 77, 0.12);
  --shadow-xl: 0 16px 48px rgba(23, 43, 77, 0.16);
  --shadow-focus: 0 0 0 3px rgba(0, 82, 204, 0.2);

  /* === TRANSIÇÕES === */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
  --easing-standard: cubic-bezier(0.4, 0.0, 0.2, 1);
  --easing-decelerate: cubic-bezier(0.0, 0.0, 0.2, 1);
  --easing-accelerate: cubic-bezier(0.4, 0.0, 1, 1);

  /* === BREAKPOINTS (para referência, uso em media queries) === */
  --breakpoint-xs: 0px;
  --breakpoint-sm: 576px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-xxl: 1536px;
}


/* ============================================
   2. RESET E BASE STYLES
   ============================================ */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--neutral-800);
  background-color: var(--neutral-50);
  min-height: 100vh;
}

/* === TIPOGRAFIA BASE === */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--neutral-900);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
}

h2 {
  font-size: var(--font-size-3xl);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-md);
}

p {
  margin-bottom: var(--spacing-sm);
  line-height: var(--line-height-relaxed);
}

a {
  color: var(--primary-blue);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--primary-blue-dark);
  text-decoration: underline;
}

strong, b {
  font-weight: var(--font-weight-semibold);
}

em, i {
  font-style: italic;
}

ul, ol {
  margin-bottom: var(--spacing-sm);
  padding-left: var(--spacing-lg);
}

li {
  margin-bottom: var(--spacing-xs);
}

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

/* ============================================
   3. LAYOUT - CONTAINERS E GRID
   ============================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-narrow {
  max-width: 900px;
}

.container-wide {
  max-width: 1440px;
}

/* === GRID SYSTEM === */

.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-2-col {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3-col {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-4-col {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

/* === SEÇÕES === */

.section {
  padding: var(--spacing-xxl) 0;
}

.section-sm {
  padding: var(--spacing-xl) 0;
}

.section-lg {
  padding: var(--spacing-xxxl) 0;
}

.section-bg-light {
  background-color: var(--neutral-100);
}

.section-bg-white {
  background-color: var(--white);
}


/* ============================================
   4. HEADER E NAVEGAÇÃO
   ============================================ */

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--neutral-300);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-sm);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.header-logos {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-img {
  display: inline-block;
  height: auto;
  max-width: 100%;
  object-fit: contain;
}

.logo-blueberry {
  height: 40px;
  width: auto;
}

.logo-sesi {
  height: 36px;
  width: auto;
}

.logo-separator {
  color: var(--neutral-500);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-regular);
}

.header-brand {
  display: flex;
  flex-direction: column;
}

.header-tagline {
  font-size: var(--font-size-xs);
  color: var(--neutral-700);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-top: var(--spacing-xxs);
  font-weight: var(--font-weight-semibold);
}

/* === NAVEGAÇÃO PRINCIPAL === */

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

.main-nav-list {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
  margin: 0;
  padding: 0;
}

.main-nav-link {
  color: var(--neutral-800);
  text-decoration: none;
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-base);
  padding: var(--spacing-xs) 0;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.main-nav-link:hover {
  color: var(--primary-blue);
  border-bottom-color: var(--primary-blue);
}

.main-nav-link.active {
  color: var(--primary-blue);
  border-bottom-color: var(--primary-blue);
  font-weight: var(--font-weight-semibold);
}

.main-nav-link.disabled {
  color: var(--neutral-500);
  cursor: not-allowed;
  opacity: 0.5;
}

.main-nav-link.disabled:hover {
  color: var(--neutral-500);
  border-bottom-color: transparent;
  text-decoration: none;
}


/* ============================================
   5. HERO SECTION
   ============================================ */

.hero {
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
  color: var(--white);
  padding: var(--spacing-xxxl) 0;
  text-align: center;
}

.hero-label {
  display: inline-block;
  background: rgba(255, 255, 255, 0.2);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--spacing-sm);
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-extrabold);
  line-height: var(--line-height-tight);
  margin: 0 0 var(--spacing-sm) 0;
  color: var(--white);
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
  opacity: 0.9;
  max-width: 700px;
  margin: 0 auto var(--spacing-lg) auto;
}


/* ============================================
   6. COMPONENTES - CARDS
   ============================================ */

.card {
  background: var(--white);
  border: 1px solid var(--neutral-300);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
  height: 100%;
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-blue-light);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
  gap: var(--spacing-sm);
}

.card-title {
  font-family: var(--font-primary);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--primary-blue);
  margin: 0 0 var(--spacing-xs) 0;
}

.card-subtitle {
  font-size: var(--font-size-md);
  color: var(--neutral-700);
  margin: 0 0 var(--spacing-md) 0;
}

.card-body {
  flex: 1;
  margin-bottom: var(--spacing-sm);
}

.card-footer {
  margin-top: auto;
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--neutral-200);
}

.card-meta {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-bottom: var(--spacing-sm);
}

.meta-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--neutral-700);
}

.meta-item svg,
.meta-item i {
  width: 16px;
  height: 16px;
  color: var(--primary-blue);
}


/* ============================================
   7. COMPONENTES - BADGES
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-xxs) var(--spacing-sm);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  white-space: nowrap;
}

.badge-required {
  background-color: var(--error);
  color: var(--white);
}

.badge-optional {
  background-color: var(--info);
  color: var(--white);
}

.badge-completed {
  background-color: var(--success);
  color: var(--white);
}

.badge-in-progress {
  background-color: var(--warning);
  color: var(--neutral-900);
}

.badge-bronze {
  background-color: #CD7F32;
  color: var(--white);
}

.badge-prata {
  background-color: #C0C0C0;
  color: var(--neutral-900);
}

.badge-ouro {
  background-color: #FFD700;
  color: var(--neutral-900);
}


/* ============================================
   8. COMPONENTES - BOTÕES
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn:hover {
  text-decoration: none;
}

/* === BOTÃO PRIMÁRIO === */
.btn-primary {
  background: var(--primary-blue);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--primary-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 82, 204, 0.3);
}

/* === BOTÃO SECUNDÁRIO === */
.btn-secondary {
  background: transparent;
  color: var(--primary-blue);
  border: 2px solid var(--primary-blue);
}

.btn-secondary:hover {
  background: var(--primary-blue-lightest);
}

/* === BOTÃO CTA (LARANJA) === */
.btn-cta {
  background: var(--secondary-orange);
  color: var(--white);
}

.btn-cta:hover {
  background: var(--secondary-orange-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 107, 0, 0.3);
}

/* === BOTÃO DESABILITADO === */
.btn-disabled,
.btn:disabled {
  background: var(--neutral-300);
  color: var(--neutral-500);
  cursor: not-allowed;
  opacity: 0.6;
}

.btn-disabled:hover,
.btn:disabled:hover {
  transform: none;
  box-shadow: none;
  background: var(--neutral-300);
}

/* === TAMANHOS DE BOTÕES === */
.btn-large {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.btn-small {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
}

/* === BOTÃO BLOCO (LARGURA TOTAL) === */
.btn-block {
  display: flex;
  width: 100%;
}


/* ============================================
   9. COMPONENTES - TIP BOX
   ============================================ */

.tip-box {
  background: linear-gradient(135deg, #FFF4E6 0%, #FFEDD5 100%);
  border-left: 4px solid var(--secondary-orange);
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin: var(--spacing-lg) 0;
}

.tip-box-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.tip-box-icon {
  width: 24px;
  height: 24px;
  color: var(--secondary-orange);
  flex-shrink: 0;
}

.tip-box-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  color: var(--neutral-900);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin: 0;
}

.tip-box-content {
  font-size: var(--font-size-base);
  color: var(--neutral-800);
  line-height: var(--line-height-relaxed);
  margin: 0;
}

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


/* ============================================
   10. COMPONENTES - CALLOUTS E ALERTS
   ============================================ */

.callout {
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  margin: var(--spacing-md) 0;
  border-left: 4px solid;
}

.callout-info {
  background: var(--primary-blue-lightest);
  border-color: var(--info);
  color: var(--neutral-900);
}

.callout-success {
  background: #E3FCEF;
  border-color: var(--success);
  color: var(--neutral-900);
}

.callout-warning {
  background: #FFFAE6;
  border-color: var(--warning);
  color: var(--neutral-900);
}

.callout-error {
  background: #FFEBE6;
  border-color: var(--error);
  color: var(--neutral-900);
}

.callout h3,
.callout h4 {
  margin-top: 0;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-md);
}

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


/* ============================================
   11. COMPONENTES - PHASE INDICATOR
   ============================================ */

.phase-indicator {
  display: inline-block;
  background: var(--primary-blue);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  margin-bottom: var(--spacing-sm);
}


/* ============================================
   12. COMPONENTES - LISTAS CUSTOMIZADAS
   ============================================ */

.info-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-sm) 0;
}

.info-list-item {
  position: relative;
  padding-left: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  color: var(--neutral-800);
}

.info-list-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.5rem;
  width: 8px;
  height: 8px;
  background: var(--primary-blue);
  border-radius: 50%;
}

.info-list-item strong {
  color: var(--neutral-900);
  font-weight: var(--font-weight-semibold);
}


/* ============================================
   13. FOOTER
   ============================================ */

.site-footer {
  background: var(--neutral-900);
  color: var(--white);
  padding: var(--spacing-xl) 0 var(--spacing-lg) 0;
  margin-top: var(--spacing-xxxl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
}

.footer-section-title {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-sm);
  color: var(--white);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-link {
  color: var(--neutral-300);
  text-decoration: none;
  display: block;
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-base);
}

.footer-link:hover {
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--neutral-500);
}

.footer-credits {
  margin-top: var(--spacing-xs);
}

.footer-credits a {
  color: var(--neutral-300);
}

.footer-credits a:hover {
  color: var(--white);
}


/* ============================================
   14. ACESSIBILIDADE
   ============================================ */

/* === SKIP LINK === */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary-blue);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  text-decoration: none;
  z-index: 200;
  font-weight: var(--font-weight-semibold);
}

.skip-link:focus {
  top: 0;
}

/* === FOCUS STATES === */
*:focus-visible {
  outline: 2px solid var(--primary-blue);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

button:focus-visible,
a:focus-visible,
.btn:focus-visible {
  box-shadow: var(--shadow-focus);
}

/* === VISUALLY HIDDEN === */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}


/* ============================================
   15. UTILITÁRIOS
   ============================================ */

/* === ALINHAMENTO DE TEXTO === */
.text-center {
  text-align: center;
}

.text-left {
  text-align: left;
}

.text-right {
  text-align: right;
}

/* === CORES DE TEXTO === */
.text-primary {
  color: var(--primary-blue);
}

.text-muted {
  color: var(--neutral-500);
}

.text-white {
  color: var(--white);
}

/* === BACKGROUNDS === */
.bg-primary {
  background-color: var(--primary-blue);
  color: var(--white);
}

.bg-light {
  background-color: var(--neutral-100);
}

.bg-white {
  background-color: var(--white);
}

/* === MARGENS === */
.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* === PADDINGS === */
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }


/* ============================================
   16. RESPONSIVIDADE
   ============================================ */

/* === MOBILE (< 768px) === */
@media (max-width: 767px) {
  :root {
    --font-size-4xl: 2rem;      /* 32px */
    --font-size-3xl: 1.75rem;   /* 28px */
    --font-size-2xl: 1.5rem;    /* 24px */
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .hero {
    padding: var(--spacing-xxl) 0;
  }

  .hero-title {
    font-size: var(--font-size-3xl);
  }

  .section,
  .section-lg {
    padding: var(--spacing-xl) 0;
  }

  .grid {
    gap: var(--spacing-md);
  }

  .grid-2-col,
  .grid-3-col,
  .grid-4-col {
    grid-template-columns: 1fr;
  }

  .header-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .main-nav-list {
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
  }

  .main-nav-link {
    display: block;
    padding: var(--spacing-xs) 0;
  }

  .card-header {
    flex-direction: column;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}

/* === TABLET (768px - 1023px) === */
@media (min-width: 768px) and (max-width: 1023px) {
  .grid-3-col {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-4-col {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* === DESKTOP LARGE (> 1280px) === */
@media (min-width: 1280px) {
  .hero-title {
    font-size: 3.5rem;
  }
}


/* ============================================
   17. ANIMAÇÕES E ESTADOS
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s var(--easing-decelerate);
}

/* === LOADING STATE === */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

/* === DISABLED STATE === */
[disabled],
.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}


/* ============================================
   18. MÓDULOS DE VÍDEO E ACCORDION
   ============================================ */

/* === ACCORDION PARA MÓDULOS === */
.accordion {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.accordion-item {
  background: var(--white);
  border: 1px solid var(--neutral-300);
  border-bottom: none;
}

.accordion-item:last-child {
  border-bottom: 1px solid var(--neutral-300);
}

.accordion-header {
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background: var(--white);
  border: none;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-sm);
  transition: background var(--transition-base);
  font-family: var(--font-primary);
}

.accordion-header:hover {
  background: var(--neutral-100);
}

.accordion-header.active {
  background: var(--primary-blue-lightest);
  border-bottom: 1px solid var(--neutral-300);
}

.accordion-title {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  flex: 1;
}

.accordion-title-text {
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  color: var(--neutral-900);
  margin: 0;
}

.accordion-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.accordion-duration {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--neutral-700);
}

.accordion-icon {
  font-size: var(--font-size-lg);
  color: var(--primary-blue);
  transition: transform var(--transition-base);
  flex-shrink: 0;
}

.accordion-header.active .accordion-icon {
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.accordion-content.active {
  max-height: 2000px; /* Ajustar conforme necessário */
}

.accordion-content-inner {
  padding: var(--spacing-lg);
  border-top: 1px solid var(--neutral-300);
  background: var(--neutral-50);
}

/* === VIDEO PLAYER RESPONSIVO === */
.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* Aspect ratio 16:9 */
  height: 0;
  overflow: hidden;
  background: var(--neutral-900);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

.video-container iframe,
.video-container video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}

/* Placeholder para vídeo */
.video-placeholder {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--neutral-800) 0%, var(--neutral-900) 100%);
  color: var(--white);
  text-align: center;
  padding: var(--spacing-lg);
}

.video-placeholder-icon {
  font-size: 4rem;
  margin-bottom: var(--spacing-sm);
  opacity: 0.6;
}

.video-placeholder-text {
  font-size: var(--font-size-md);
  opacity: 0.8;
}

/* === MODULE STATUS BADGE === */
.module-status {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xxs) var(--spacing-sm);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
}

.module-status.completed {
  background: var(--success);
  color: var(--white);
}

.module-status.in-progress {
  background: var(--warning);
  color: var(--neutral-900);
}

.module-status.not-started {
  background: var(--neutral-300);
  color: var(--neutral-700);
}

/* === MODULE NUMBER === */
.module-number {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-blue);
  color: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-sm);
  flex-shrink: 0;
}

.accordion-header.active .module-number {
  background: var(--primary-blue-dark);
}

/* === MODULE DESCRIPTION === */
.module-description {
  line-height: var(--line-height-relaxed);
  color: var(--neutral-800);
  margin-bottom: var(--spacing-md);
}

.module-objectives {
  margin-top: var(--spacing-md);
}

.module-objectives h4 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--neutral-900);
  margin-bottom: var(--spacing-sm);
}

.module-objectives ul {
  padding-left: var(--spacing-md);
  margin-bottom: 0;
}

.module-objectives li {
  margin-bottom: var(--spacing-xs);
  line-height: var(--line-height-relaxed);
}

/* === MODULE ACTIONS === */
.module-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--neutral-300);
}

/* Responsividade accordion */
@media (max-width: 767px) {
  .accordion-header {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  .accordion-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }

  .accordion-title {
    flex-direction: column;
    align-items: flex-start;
  }

  .module-actions {
    flex-direction: column;
  }

  .module-actions .btn {
    width: 100%;
  }
}


/* ============================================
   19. AJUSTES ESPECÍFICOS LANDING PAGE
   ============================================ */

/* Ajuste de tamanho de texto para legibilidade */
.text-lg {
  font-size: var(--font-size-lg);
  line-height: var(--line-height-relaxed);
}

/* Ícones em cards */
.card-header i.fas,
.card-header i.far {
  font-size: 2rem;
  color: var(--primary-blue);
}

/* Lista dentro de cards */
.card-body ul {
  padding-left: var(--spacing-md);
  margin-bottom: 0;
}

.card-body ul li {
  margin-bottom: var(--spacing-xs);
  line-height: var(--line-height-relaxed);
}

/* Placeholder para logos (temporário) */
.logo-blueberry,
.logo-sesi {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}


/* ============================================
   19. IMPRESSÃO
   ============================================ */

@media print {
  .site-header,
  .main-nav,
  .site-footer,
  .btn,
  .skip-link {
    display: none;
  }

  body {
    background: white;
    color: black;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
    page-break-inside: avoid;
  }

  a {
    text-decoration: underline;
  }

  a[href^="http"]:after {
    content: " (" attr(href) ")";
  }
}