/**
 * Redatudo Global Design System
 * Sistema de design unificado para todo o site
 */

/* ========================================
   IMPORTAÇÃO DE FONTES
   ======================================== */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@600;700;800&family=Inter:wght@400;500;600&display=swap');

/* ========================================
   VARIÁVEIS CSS GLOBAIS
   ======================================== */
:root {
  /* Cores Primárias */
  --roxo-ia: #7C3AED;
  --roxo-dark: #7f00ff;
  --azul-tech: #3B82F6;
  --azul-cyan: #00bfff;
  --verde-destaque: #10B981;
  --verde-dark: #059669;
  
  /* Cores de Fundo */
  --preto-fundo: #0F0F1A;
  --preto-section: #161622;
  --card-bg: #1F2937;
  --card-bg-hover: #252F3F;
  
  /* Cores de Texto */
  --text-primary: #FFFFFF;
  --text-secondary: #E5E7EB;
  --text-muted: #D1D5DB;
  --text-light: #9CA3AF;
  --azul-glow: #00ffd0;
  
  /* Cores de Borda */
  --border-color: #374151;
  --border-hover: #7C3AED;
  
  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, #7C3AED 0%, #3B82F6 100%);
  --gradient-success: linear-gradient(135deg, #10B981 0%, #059669 100%);
  --gradient-gold: linear-gradient(135deg, #FEF3C7, #FDE68A);
  --gradient-hot: linear-gradient(135deg, #F59E0B 0%, #DC2626 100%);
  
  /* Sombras */
  --shadow-sm: 0 2px 12px rgba(0, 191, 255, 0.15);
  --shadow-md: 0 4px 24px rgba(124, 58, 237, 0.25);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(124, 58, 237, 0.3);
  
  /* Tipografia */
  --font-heading: 'Outfit', 'Orbitron', Arial, sans-serif;
  --font-body: 'Inter', 'Orbitron', Arial, sans-serif;
  
  /* Border Radius */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  
  /* Transições */
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   ESTILOS BASE GLOBAIS
   ======================================== */
body {
  background: radial-gradient(ellipse at top right, #1c1441 40%, #161234 100%);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
  box-shadow: 0 0 16vw 0 rgba(0, 191, 255, 0.12) inset;
}

/* ========================================
   TIPOGRAFIA GLOBAL
   ======================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* ========================================
   COMPONENTES: BADGES
   ======================================== */
.badge-reda,
.badge-hot,
.badge-new,
.badge-popular {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: none;
  border-radius: 7px;
  padding: 0.12em 0.48em;
  margin: 0.11em 0.14em;
  border: 1px solid var(--border-color);
  opacity: 0.86;
  cursor: pointer;
  text-decoration: none !important;
  transition: background var(--transition-fast), 
              color var(--transition-fast), 
              box-shadow var(--transition-fast);
  letter-spacing: 0.1px;
}

.badge-reda {
  background: #161b28;
  color: #a0addd;
}

.badge-reda:hover {
  background: #232948;
  color: var(--azul-glow);
  box-shadow: 0 1px 4px rgba(0, 255, 208, 0.075);
}

.badge-hot {
  background: var(--gradient-hot);
  color: #FFFFFF;
  border: 2px solid #DC2626;
}

.badge-new {
  background: var(--gradient-primary);
  color: #FFFFFF;
  border: 2px solid var(--azul-tech);
}

.badge-popular {
  background: var(--gradient-hot);
  color: #FFFFFF;
  padding: 0.6rem 1.75rem;
  border-radius: 24px;
  font-size: 0.875rem;
  font-weight: 700;
  box-shadow: 0 6px 16px rgba(245, 158, 11, 0.6);
  border: 3px solid var(--card-bg);
}

/* ========================================
   COMPONENTES: CARDS
   ======================================== */
.reda-card {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: all var(--transition-normal);
  position: relative;
  overflow: visible;
}

.reda-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  background: var(--card-bg-hover);
}

/* Tool Card */
.tool-card {
  background: var(--card-bg);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem 2rem;
  position: relative;
  transition: all var(--transition-normal);
  margin-top: 1rem;
  text-decoration: none;
  display: block;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--tool-color, var(--roxo-ia));
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.tool-card:hover::before {
  opacity: 1;
}

.tool-card:hover {
  border-color: var(--tool-color, var(--roxo-ia));
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  background: var(--card-bg-hover);
  text-decoration: none;
}

.tool-icon {
  width: 64px;
  height: 64px;
  background: var(--tool-color, var(--roxo-ia));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.tool-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  font-family: var(--font-heading);
}

.tool-description {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  font-family: var(--font-body);
}

/* ========================================
   COMPONENTES: BOTÕES
   ======================================== */
.btn-reda-primary,
.btn-cta-primary {
  background: var(--gradient-success);
  color: #FFFFFF;
  padding: 1rem 2.5rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: none;
  text-decoration: none;
  font-size: 1.125rem;
  font-family: var(--font-body);
  transition: all var(--transition-normal);
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
  position: relative;
  overflow: hidden;
  display: inline-block;
  cursor: pointer;
}

.btn-reda-primary::before,
.btn-cta-primary::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.5s;
}

.btn-reda-primary:hover::before,
.btn-cta-primary:hover::before {
  left: 100%;
}

.btn-reda-primary:hover,
.btn-cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
  text-decoration: none;
  color: #FFFFFF;
}

.btn-reda-secondary,
.btn-cta-secondary {
  background: white;
  color: var(--roxo-ia);
  padding: 1rem 2.5rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  border: 2px solid var(--roxo-ia);
  text-decoration: none;
  font-size: 1.125rem;
  font-family: var(--font-body);
  transition: all var(--transition-normal);
  display: inline-block;
  cursor: pointer;
}

.btn-reda-secondary:hover,
.btn-cta-secondary:hover {
  background: var(--roxo-ia);
  color: white;
  text-decoration: none;
}

/* ========================================
   COMPONENTES: SEÇÕES
   ======================================== */
.reda-section {
  background: var(--preto-fundo);
  position: relative;
  z-index: 1;
  padding: 4rem 0;
  border-top: 1px solid var(--border-color);
}

.reda-section-alt {
  background: var(--preto-section);
  position: relative;
  z-index: 1;
  padding: 4rem 0;
  border-top: 1px solid var(--border-color);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-family: var(--font-heading);
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  text-align: center;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 3rem;
  font-family: var(--font-body);
  text-align: center;
}

.section-badge {
  display: inline-block;
  background: rgba(124, 58, 237, 0.15);
  color: #A78BFA;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
  border: 1px solid rgba(124, 58, 237, 0.4);
  font-family: var(--font-body);
}

/* ========================================
   EFEITOS: GRADIENT TEXT
   ======================================== */
.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.gradient-text-success {
  background: var(--gradient-success);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========================================
   EFEITOS: GLOW
   ======================================== */
.glow-effect::before {
  content: '';
  position: absolute;
  top: 10%;
  left: 50%;
  width: 70vw;
  height: 25vw;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(0, 191, 255, 0.06) 0%, rgba(127, 0, 255, 0.08) 50%, transparent 100%);
  filter: blur(32px);
  z-index: 0;
  opacity: 0.9;
  pointer-events: none;
  animation: pulseGlow 6s infinite alternate;
}

@keyframes pulseGlow {
  0% { opacity: 0.7; }
  100% { opacity: 0.4; }
}

/* ========================================
   GRID LAYOUTS
   ======================================== */
.reda-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.reda-grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.reda-grid-4 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* ========================================
   RESPONSIVIDADE
   ======================================== */
@media (max-width: 768px) {
  .reda-grid-2,
  .reda-grid-3,
  .reda-grid-4 {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .reda-card,
  .tool-card {
    padding: 1.5rem;
  }
  
  .btn-reda-primary,
  .btn-reda-secondary,
  .btn-cta-primary,
  .btn-cta-secondary {
    width: 100%;
    text-align: center;
  }
}

/* ========================================
   UTILITÁRIOS
   ======================================== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.py-3 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-4 { padding-top: 2rem; padding-bottom: 2rem; }
.py-5 { padding-top: 3rem; padding-bottom: 3rem; }

.px-3 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-4 { padding-left: 2rem; padding-right: 2rem; }

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

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}