/* ========================================
   SUPERGAMES ACADEMY - MAIN CSS
   Identidade Visual Supergames
   ======================================== */

:root {
  /* Cores Supergames */
  --color-neon: #00FF00;
  --color-neon-dark: #00DD00;
  --color-neon-light: #33FF33;
  --color-black: #1a1a1a;
  --color-dark: #0d0d0d;
  --color-white: #FFFFFF;
  --color-gray: #808080;
  --color-gray-light: #E0E0E0;
  
  /* Cores Secundárias */
  --color-games: #8b5cf6;
  --color-ia: #06b6d4;
  --color-red: #FF0000;
  --color-gold: #FFD700;
  
  /* Gradientes */
  --gradient-hero: linear-gradient(135deg, #1a4d2e 0%, #1a1a1a 100%);
  --gradient-neon: linear-gradient(135deg, #00FF00 0%, #00DD00 100%);
  
  /* Sombras/Glow */
  --glow-sm: 0 0 10px rgba(0, 255, 0, 0.3);
  --glow-md: 0 0 20px rgba(0, 255, 0, 0.5);
  --glow-lg: 0 0 40px rgba(0, 255, 0, 0.8);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  
  /* Tipografia */
  --font-display: 'Poppins', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-code: 'Fira Code', monospace;
  
  /* Espaçamento */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* Transições */
  --transition-fast: 150ms ease-in-out;
  --transition-base: 250ms ease-in-out;
  --transition-slow: 350ms ease-in-out;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-black);
  color: var(--color-white);
  line-height: 1.6;
  overflow-x: hidden;
}

/* === COURSE PAGES (Teoria/Lab/Quiz) === */
.page-wrapper {
  min-height: 100vh;
}

.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: linear-gradient(to bottom, var(--color-black), rgba(26, 26, 26, 0.95));
  border-bottom: 2px solid rgba(0, 255, 0, 0.35);
  box-shadow: 0 0 20px rgba(0, 255, 0, 0.12);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-lg);
  padding: var(--spacing-md) 0;
}

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

.nav-link {
  color: var(--color-white);
  font-weight: 600;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-neon);
  border-color: rgba(0, 255, 0, 0.25);
  box-shadow: 0 0 10px rgba(0, 255, 0, 0.2);
}

.nav-link.active {
  color: var(--color-black);
  background: var(--color-neon);
  box-shadow: var(--glow-md);
}

.sidebar-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 2px solid rgba(0, 255, 0, 0.35);
  background: rgba(0, 0, 0, 0.6);
  color: var(--color-neon);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.sidebar-toggle:hover {
  border-color: var(--color-neon);
  box-shadow: var(--glow-sm);
}

@media (min-width: 1025px) {
  .sidebar-toggle {
    display: none;
  }
}

.main-layout {
  display: flex;
  gap: var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-lg);
}

.sidebar {
  width: 320px;
  flex: 0 0 320px;
  background: rgba(0, 0, 0, 0.6);
  border: 2px solid rgba(0, 255, 0, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  height: fit-content;
  position: sticky;
  top: 84px;
}

.sidebar-nav ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: var(--spacing-md) 0 0;
  padding: 0;
}

/* Quiz progress widget (shown in the left sidebar on quiz pages) */
.quiz-sidebar-progress {
  margin-bottom: var(--spacing-lg);
}

.quiz-sidebar-progress .quiz-sidebar-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 10px;
}

.quiz-sidebar-progress .quiz-sidebar-stat {
  padding: 10px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 255, 0, 0.12);
  background: rgba(0, 0, 0, 0.35);
}

.quiz-sidebar-progress .quiz-sidebar-label {
  display: block;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.7);
}

.quiz-sidebar-progress .quiz-sidebar-value {
  display: block;
  font-weight: 900;
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.95);
}

.quiz-sidebar-progress .quiz-sidebar-bar {
  height: 10px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.quiz-sidebar-progress .quiz-sidebar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-neon), rgba(0, 255, 0, 0.5));
  transition: width var(--transition-base);
}

/* Quiz question list (sidebar) */
.quiz-sidebar-questions {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fill, 36px);
  gap: 8px;
  justify-content: start;
  margin: var(--spacing-md) 0 0;
  padding: 0;
}

.quiz-sidebar-question {
  width: 36px;
  height: 36px;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.35);
  color: rgba(255, 255, 255, 0.92);
  font: inherit;
  font-weight: 800;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  -webkit-appearance: none;
  appearance: none;
}

@media (max-width: 420px) {
  .quiz-sidebar-questions {
    grid-template-columns: repeat(auto-fill, 32px);
  }

  .quiz-sidebar-question {
    width: 32px;
    height: 32px;
    font-size: 0.85rem;
  }
}

.quiz-sidebar-question:hover {
  border-color: rgba(0, 255, 0, 0.35);
  box-shadow: 0 0 12px rgba(0, 255, 0, 0.12);
}

.quiz-sidebar-question:focus-visible {
  outline: 2px solid rgba(0, 255, 0, 0.45);
  outline-offset: 2px;
}

.quiz-sidebar-question.is-current {
  border-color: rgba(0, 255, 0, 0.55);
  background: rgba(0, 255, 0, 0.10);
  box-shadow: 0 0 14px rgba(0, 255, 0, 0.18);
}

.quiz-sidebar-question.is-correct {
  border-color: rgba(16, 185, 129, 0.8);
  background: rgba(16, 185, 129, 0.14);
}

.quiz-sidebar-question.is-wrong {
  border-color: rgba(239, 68, 68, 0.8);
  background: rgba(239, 68, 68, 0.12);
}

.quiz-sidebar-question.is-locked,
.quiz-sidebar-question:disabled {
  opacity: 0.38;
  cursor: not-allowed;
  box-shadow: none;
}

.sidebar-section-title {
  font-weight: 800;
  color: var(--color-neon);
  letter-spacing: 0.02em;
  margin-bottom: var(--spacing-sm);
}

.sidebar-link {
  display: block;
  padding: 10px 10px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(0, 255, 0, 0.15);
  color: rgba(255, 255, 255, 0.9);
  transition: all var(--transition-fast);
}

.sidebar-link:hover {
  border-color: rgba(0, 255, 0, 0.35);
  color: var(--color-neon);
}

.sidebar-link.active {
  background: rgba(0, 255, 0, 0.12);
  border-color: rgba(0, 255, 0, 0.5);
  color: var(--color-neon);
}

.content {
  min-width: 0;
  flex: 1;
  background: rgba(0, 0, 0, 0.45);
  border: 2px solid rgba(0, 255, 0, 0.15);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.page-title {
  font-size: 2.25rem;
  margin-bottom: var(--spacing-sm);
}

.page-subtitle {
  color: rgba(255, 255, 255, 0.75);
  margin-bottom: var(--spacing-xl);
}

.exercise-section {
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 255, 0, 0.15);
  background: rgba(0, 0, 0, 0.35);
  margin: 0 0 var(--spacing-lg);
}

.content-navigation {
  margin-top: var(--spacing-xl);
  display: flex;
  justify-content: flex-end;
}

/* Mobile sidebar overlay */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
  z-index: 1200;
}

body.sidebar-open .sidebar-overlay {
  opacity: 1;
  pointer-events: auto;
}

@media (max-width: 1024px) {
  .main-layout {
    padding: var(--spacing-lg);
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: min(86vw, 360px);
    transform: translateX(-110%);
    transition: transform var(--transition-base);
    z-index: 1300;
    border-radius: 0;
  }

  .sidebar.open {
    transform: translateX(0);
  }
}

.sidebar-fab {
  position: fixed;
  bottom: 18px;
  right: 18px;
  width: 56px;
  height: 56px;
  border-radius: 9999px;
  border: 2px solid rgba(0, 255, 0, 0.35);
  background: rgba(0, 0, 0, 0.75);
  color: var(--color-neon);
  box-shadow: var(--glow-md);
  cursor: pointer;
  z-index: 1400;
}

@media (min-width: 1025px) {
  .sidebar-fab {
    display: none;
  }
}

/* Quiz UI (shared quiz.js) */
.quiz {
  display: grid;
  gap: var(--spacing-lg);
}

.quiz-progress {
  display: grid;
  gap: 10px;
}

.quiz-progress-text {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
}

.quiz-progress-bar {
  height: 10px;
  border-radius: 9999px;
  background: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--color-neon), rgba(0, 255, 0, 0.5));
  transition: width var(--transition-base);
}

.quiz-card {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 255, 0, 0.15);
  background: rgba(0, 0, 0, 0.35);
  padding: var(--spacing-lg);
}

.quiz-card .quiz-question {
  font-size: 1.4rem;
  margin-bottom: var(--spacing-md);
}

.quiz-options {
  display: grid;
  gap: 10px;
}

.quiz-option {
  text-align: left;
  width: 100%;
  display: block;
  padding: 12px 12px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.35);
  color: rgba(255, 255, 255, 0.92);
  cursor: pointer;
  transition: all var(--transition-fast);
  font: inherit;
  line-height: 1.35;
  -webkit-appearance: none;
  appearance: none;
}

.quiz-option:disabled {
  opacity: 1;
  cursor: default;
}

.quiz-option:focus-visible {
  outline: 2px solid rgba(0, 255, 0, 0.45);
  outline-offset: 2px;
}

/* Legacy quiz template (games-1mes): label.option + radio input */
#quiz-container .quiz-question h2 {
  font-size: 1.35rem;
  margin-top: 10px;
  margin-bottom: var(--spacing-md);
}

#quiz-container .quiz-question .options {
  display: grid;
  gap: 10px;
  margin-top: var(--spacing-md);
}

#quiz-container .quiz-question label.option {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 12px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.35);
  color: rgba(255, 255, 255, 0.92);
  cursor: pointer;
  transition: all var(--transition-fast);
  user-select: none;
}

#quiz-container .quiz-question label.option:hover {
  border-color: rgba(0, 255, 0, 0.35);
  box-shadow: 0 0 12px rgba(0, 255, 0, 0.12);
}

#quiz-container .quiz-question label.option:focus-within {
  outline: 2px solid rgba(0, 255, 0, 0.45);
  outline-offset: 2px;
}

#quiz-container .quiz-question label.option input[type="radio"] {
  margin-top: 2px;
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
  accent-color: var(--course-primary, var(--color-neon));
}

#quiz-container .quiz-question label.option span {
  display: block;
  flex: 1 1 auto;
}

.quiz-option:hover {
  border-color: rgba(0, 255, 0, 0.35);
  box-shadow: 0 0 12px rgba(0, 255, 0, 0.12);
}

.quiz-option.correct {
  border-color: rgba(16, 185, 129, 0.8);
  background: rgba(16, 185, 129, 0.15);
}

.quiz-option.wrong {
  border-color: rgba(239, 68, 68, 0.8);
  background: rgba(239, 68, 68, 0.12);
}

.quiz-feedback {
  margin-top: var(--spacing-md);
}

.quiz-feedback-card {
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.quiz-feedback-card.is-correct {
  border-color: rgba(16, 185, 129, 0.45);
  background: rgba(16, 185, 129, 0.10);
}

.quiz-feedback-card.is-wrong {
  border-color: rgba(239, 68, 68, 0.45);
  background: rgba(239, 68, 68, 0.08);
}

.quiz-feedback-title {
  font-weight: 800;
  margin-bottom: 6px;
}

.quiz-actions {
  margin-top: var(--spacing-md);
  display: flex;
  justify-content: flex-end;
}

.quiz-results-title {
  margin-bottom: var(--spacing-md);
}

.quiz-results-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.quiz-metric {
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 255, 0, 0.15);
  background: rgba(0, 0, 0, 0.35);
  padding: var(--spacing-md);
}

.quiz-metric-label {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

.quiz-metric-value {
  font-weight: 900;
  font-size: 1.2rem;
}

.quiz-metric-value.pass {
  color: #10b981;
}

.quiz-metric-value.fail {
  color: #ef4444;
}

.quiz-results-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

/* === TIPOGRAFIA === */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.75rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--spacing-md);
  color: #ccc;
  font-size: 1rem;
  line-height: 1.8;
}

a {
  color: var(--color-neon);
  text-decoration: none;
  transition: all var(--transition-fast);
}

a:hover {
  color: var(--color-neon-light);
  text-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

/* === CONTAINER === */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* === NAVBAR === */
.navbar {
  background: linear-gradient(to bottom, var(--color-black), rgba(26, 26, 26, 0.95));
  border-bottom: 2px solid var(--color-neon);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 0 20px rgba(0, 255, 0, 0.2);
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
  position: relative;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
}

.logo-mark {
  display: block;
  height: 72px;
  width: auto;
  object-fit: contain;
}

@media (max-width: 767px) {
  .logo-mark {
    height: 56px;
  }
}

@media (min-width: 1024px) {
  .logo-mark {
    height: 84px;
  }
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--color-neon);
  color: var(--color-black);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  box-shadow: var(--glow-md);
}

.logo-text {
  display: none;
}

@media (min-width: 768px) {
  .logo-text {
    display: inline;
  }
}

.nav-menu {
  display: none;
  list-style: none;
  gap: var(--spacing-xl);
}

@media (max-width: 767px) {
  .nav-menu.open {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    padding: var(--spacing-lg);
    background: rgba(0, 0, 0, 0.95);
    border: 2px solid rgba(0, 255, 0, 0.3);
    border-radius: var(--radius-lg);
    box-shadow: var(--glow-md);
  }
}

@media (min-width: 768px) {
  .nav-menu {
    display: flex;
  }
}

.nav-menu a {
  color: var(--color-white);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.nav-menu a:hover {
  color: var(--color-neon);
  text-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

.btn-cta {
  background: var(--color-neon);
  color: var(--color-black);
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: var(--radius-md);
  font-weight: 700;
  box-shadow: var(--glow-md);
}

.btn-cta:hover {
  background: var(--color-neon-light);
  color: var(--color-black);
  box-shadow: var(--glow-lg);
  text-shadow: none;
}

.btn-cta:focus-visible {
  color: var(--color-black);
  text-shadow: none;
}

.menu-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
}

@media (min-width: 768px) {
  .menu-toggle {
    display: none;
  }
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--color-neon);
  border-radius: 2px;
  transition: all var(--transition-base);
}

/* === HERO SECTION === */
.hero {
  background: var(--gradient-hero);
  padding: var(--spacing-3xl) var(--spacing-lg);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    repeating-linear-gradient(
      0deg,
      rgba(0, 255, 0, 0.03) 0px,
      rgba(0, 255, 0, 0.03) 1px,
      transparent 1px,
      transparent 2px
    );
  pointer-events: none;
  animation: scanlines 8s linear infinite;
}

@keyframes scanlines {
  0% { transform: translateY(0); }
  100% { transform: translateY(10px); }
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.hero-title {
  font-size: 4rem;
  font-weight: 900;
  margin-bottom: var(--spacing-lg);
  line-height: 1.1;
}

.neon-text {
  color: var(--color-neon);
  text-shadow: 0 0 20px rgba(0, 255, 0, 0.8);
}

.hero-subtitle {
  font-size: 1.5rem;
  color: #aaa;
  margin-bottom: var(--spacing-2xl);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
  margin-bottom: var(--spacing-3xl);
  flex-wrap: wrap;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-lg);
  background: rgba(0, 255, 0, 0.05);
  border: 1px solid var(--color-neon);
  border-radius: var(--radius-lg);
  box-shadow: var(--glow-sm);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-neon);
  text-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

.stat-label {
  font-size: 0.9rem;
  color: #aaa;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* === BUTTONS === */
.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  border: none;
  transition: all var(--transition-base);
  font-size: 0.95rem;
  text-decoration: none;
}

.btn-primary {
  background: var(--color-neon);
  color: var(--color-black);
  box-shadow: var(--glow-md);
}

.btn-primary:hover {
  background: var(--color-neon-light);
  color: var(--color-black);
  box-shadow: var(--glow-lg);
  transform: translateY(-2px);
  text-shadow: none;
}

.btn-primary:focus-visible {
  color: var(--color-black);
  text-shadow: none;
}

.btn-secondary {
  background: transparent;
  color: var(--color-neon);
  border: 2px solid var(--color-neon);
  box-shadow: var(--glow-sm);
}

.btn-secondary:hover {
  background: rgba(0, 255, 0, 0.1);
  box-shadow: var(--glow-md);
}

.btn-full {
  width: 100%;
}

/* === SECTIONS === */
section {
  padding: var(--spacing-3xl) var(--spacing-lg);
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-size: 2.5rem;
}

.section-subtitle {
  text-align: center;
  color: #aaa;
  margin-bottom: var(--spacing-2xl);
  font-size: 1.1rem;
}

/* === TRILHAS SECTION === */
.trilhas {
  background: linear-gradient(135deg, rgba(13, 61, 26, 0.3) 0%, rgba(26, 26, 26, 0.5) 100%);
  border-top: 1px solid var(--color-neon);
  border-bottom: 1px solid var(--color-neon);
}

.trilhas-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-2xl);
}

.trilha-card {
  background: rgba(0, 0, 0, 0.6);
  border: 2px solid var(--color-neon);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: var(--glow-sm);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  position: relative;
}

.trilha-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--glow-lg);
  border-color: var(--color-neon-light);
}

.trilha-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-lg);
}

.trilha-card h3 {
  color: var(--color-neon);
  margin-bottom: var(--spacing-md);
}

.trilha-description {
  color: #aaa;
  margin-bottom: var(--spacing-lg);
}

.trilha-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 6px 10px;
  border-radius: var(--radius-full);
  background: rgba(0, 255, 0, 0.12);
  border: 1px solid rgba(0, 255, 0, 0.35);
  color: var(--color-neon);
  font-weight: 800;
  font-size: 0.75rem;
  letter-spacing: 0.6px;
  text-transform: uppercase;
}

.trilha-promise {
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: var(--spacing-lg);
}

.trilha-benefits {
  display: grid;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.trilha-cta {
  margin-top: auto;
}

.trilha-features {
  display: grid;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  color: #ccc;
}

.feature-icon {
  color: var(--color-neon);
  font-weight: 700;
  font-size: 1.2rem;
}

.trilha-audience {
  font-size: 0.9rem;
  color: #999;
  padding-top: var(--spacing-lg);
  border-top: 1px solid rgba(0, 255, 0, 0.2);
}

.trilha-platform {
  margin-top: var(--spacing-2xl);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-lg);
}

.platform-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0, 255, 0, 0.18);
  background: rgba(0, 0, 0, 0.35);
}

.platform-icon {
  width: 44px;
  height: 44px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 255, 0, 0.12);
  border: 1px solid rgba(0, 255, 0, 0.28);
  font-size: 1.25rem;
}

.platform-text {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  line-height: 1.25;
}

/* === PLATAFORMA SECTION === */
.plataforma {
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.55) 0%, rgba(13, 61, 26, 0.22) 100%);
}

.plataforma-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: var(--spacing-2xl);
  align-items: stretch;
}

.plataforma-card {
  background: rgba(0, 0, 0, 0.6);
  border: 2px solid rgba(0, 255, 0, 0.22);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: var(--glow-sm);
  display: flex;
  flex-direction: column;
  transition: all var(--transition-base);
}

.plataforma-card:hover {
  border-color: rgba(0, 255, 0, 0.45);
  box-shadow: var(--glow-md);
  transform: translateY(-6px);
}

.plataforma-kicker {
  display: inline-flex;
  width: fit-content;
  padding: 6px 10px;
  border-radius: var(--radius-full);
  background: rgba(0, 255, 0, 0.12);
  border: 1px solid rgba(0, 255, 0, 0.35);
  color: var(--color-neon);
  font-weight: 900;
  font-size: 0.78rem;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  margin-bottom: var(--spacing-lg);
}

.plataforma-title {
  color: var(--color-neon);
  margin-bottom: var(--spacing-sm);
}

.plataforma-desc {
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: var(--spacing-lg);
}

.plataforma-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: var(--spacing-lg);
}

.plataforma-pill {
  padding: 6px 10px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.35);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  font-weight: 700;
}

.plataforma-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
  margin-bottom: var(--spacing-xl);
}

.plataforma-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.45;
}

.plataforma-list li::before {
  content: "✓";
  color: var(--color-neon);
  font-weight: 900;
  margin-top: 2px;
  flex: 0 0 auto;
}

.plataforma-card .btn-full {
  margin-top: auto;
}

@media (max-width: 420px) {
  .plataforma-grid {
    grid-template-columns: 1fr;
  }
}

/* === CURSOS SECTION === */
.cursos {
  background: linear-gradient(135deg, rgba(26, 26, 26, 0.5) 0%, rgba(13, 61, 26, 0.2) 100%);
}

.filtros {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
  flex-wrap: wrap;
}

.filtro-btn {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: transparent;
  border: 2px solid var(--color-neon);
  color: var(--color-neon);
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition-base);
}

.filtro-btn:hover,
.filtro-btn.active {
  background: var(--color-neon);
  color: var(--color-black);
  box-shadow: var(--glow-md);
}

.cursos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  align-items: stretch;
}

.curso-card {
  background: rgba(0, 0, 0, 0.7);
  border: 2px solid rgba(0, 255, 0, 0.3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
}

.curso-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-neon);
  box-shadow: var(--glow-md);
}

.curso-card.destaque {
  border-color: var(--color-neon);
  box-shadow: var(--glow-md);
}

@media (max-width: 768px) {
  .curso-card.destaque {
    transform: scale(1);
  }
}

.curso-header {
  padding: var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--color-white);
  font-weight: 700;
}

.games-header {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.3) 0%, rgba(139, 92, 246, 0.1) 100%);
  border-bottom: 2px solid rgba(139, 92, 246, 0.5);
}

.ia-header {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.3) 0%, rgba(6, 182, 212, 0.1) 100%);
  border-bottom: 2px solid rgba(6, 182, 212, 0.5);
}

.curso-duracao {
  font-size: 1.1rem;
  color: var(--color-neon);
}

.curso-badge {
  background: var(--color-neon);
  color: var(--color-black);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
}

.curso-titulo {
  padding: 0 var(--spacing-lg);
  color: var(--color-white);
  font-size: 1.3rem;
  margin-bottom: var(--spacing-md);
}

.curso-descricao {
  padding: 0 var(--spacing-lg);
  color: #aaa;
  margin-bottom: var(--spacing-lg);
}

.curso-info {
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  border-bottom: 1px solid rgba(0, 255, 0, 0.1);
  padding-bottom: var(--spacing-lg);
}

.info-item {
  display: flex;
  flex-direction: column;
}

.info-label {
  font-size: 0.85rem;
  color: #999;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.info-valor {
  color: #ccc;
  font-weight: 600;
}

.preco {
  color: var(--color-neon);
  font-size: 1.3rem;
  text-shadow: 0 0 10px rgba(0, 255, 0, 0.3);
}

.preco-detalhes {
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.preco-detalhe {
  font-size: 0.9rem;
  line-height: 1.25;
  color: rgba(255, 255, 255, 0.75);
  font-weight: 600;
}

.preco-avista {
  color: rgba(0, 255, 0, 0.85);
}

.entregavel {
  padding: var(--spacing-lg);
  background: rgba(0, 255, 0, 0.05);
  border-left: 3px solid var(--color-neon);
  margin-bottom: var(--spacing-lg);
}

/* Keep CTAs aligned across cards */
.curso-card .btn-full {
  margin-top: auto;
}

.entregavel h4 {
  color: var(--color-neon);
  margin-bottom: var(--spacing-sm);
  font-size: 0.95rem;
}

.entregavel p {
  color: #aaa;
  font-size: 0.9rem;
  margin: 0;
}

/* === SOBRE SECTION === */
.sobre {
  background: linear-gradient(135deg, rgba(13, 61, 26, 0.2) 0%, rgba(26, 26, 26, 0.5) 100%);
  border-top: 1px solid var(--color-neon);
}

.sobre-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.sobre-card {
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(0, 255, 0, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  text-align: center;
  transition: all var(--transition-base);
}

.sobre-card:hover {
  border-color: var(--color-neon);
  box-shadow: var(--glow-sm);
  transform: translateY(-5px);
}

.sobre-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
}

.sobre-card h3 {
  color: var(--color-neon);
  margin-bottom: var(--spacing-md);
}

.sobre-card p {
  color: #aaa;
  margin: 0;
}

/* === CONTATO SECTION === */
.contato {
  background: linear-gradient(135deg, rgba(13, 61, 26, 0.3) 0%, rgba(26, 26, 26, 0.5) 100%);
  border-top: 1px solid var(--color-neon);
}

.contato-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-2xl);
}

@media (max-width: 768px) {
  .contato-wrapper {
    grid-template-columns: 1fr;
  }
}

.contato-info {
  display: grid;
  gap: var(--spacing-xl);
}

.info-block {
  background: rgba(0, 0, 0, 0.6);
  border-left: 3px solid var(--color-neon);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
}

.info-block h3 {
  color: var(--color-neon);
  margin-bottom: var(--spacing-md);
}

.info-block p {
  color: #ccc;
  margin: 0;
}

.info-block a {
  color: var(--color-neon);
  font-weight: 600;
}

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

/* === START CARD (CTA de cadastro) === */
.start-card {
  background: rgba(0, 0, 0, 0.6);
  border: 2px solid rgba(0, 255, 0, 0.22);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  box-shadow: var(--glow-sm);
}

.start-title {
  color: var(--color-neon);
  margin-bottom: var(--spacing-sm);
}

.start-subtitle {
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: var(--spacing-lg);
}

.start-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 8px;
}

.start-actions {
  display: grid;
  gap: 10px;
  margin-top: var(--spacing-lg);
}

.start-note {
  margin-top: var(--spacing-lg);
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.65);
  line-height: 1.35;
}

.form-group {
  display: flex;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  background: rgba(0, 0, 0, 0.8);
  border: 1px solid rgba(0, 255, 0, 0.3);
  border-radius: var(--radius-md);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all var(--transition-base);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-neon);
  box-shadow: var(--glow-sm);
  background: rgba(0, 0, 0, 0.9);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #666;
}

/* === FOOTER === */
.footer {
  background: var(--color-dark);
  border-top: 2px solid var(--color-neon);
  padding: var(--spacing-2xl) var(--spacing-lg);
  margin-top: var(--spacing-3xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-section h4 {
  color: var(--color-neon);
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  color: #aaa;
  margin: 0;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: #ccc;
  transition: all var(--transition-fast);
}

.footer-section a:hover {
  color: var(--color-neon);
  text-shadow: 0 0 10px rgba(0, 255, 0, 0.5);
}

.social-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(0, 255, 0, 0.1);
  color: #666;
}

/* === RESPONSIVIDADE === */
@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.8rem; }
  h3 { font-size: 1.3rem; }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
  }
  
  .hero-buttons {
    flex-direction: column;
  }
  
  .btn {
    padding: var(--spacing-md) var(--spacing-lg);
  }
  
  section {
    padding: var(--spacing-2xl) var(--spacing-lg);
  }
}

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

@keyframes glow {
  0%, 100% {
    box-shadow: var(--glow-sm);
  }
  50% {
    box-shadow: var(--glow-lg);
  }
}

.curso-card {
  animation: fadeIn 0.6s ease-out;
}

/* === UTILITÁRIOS === */
.hidden {
  display: none !important;
}

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

.mt-lg {
  margin-top: var(--spacing-lg);
}

.mb-lg {
  margin-bottom: var(--spacing-lg);
}