/* ========================================
   STREAMING SHOP - TEMA RETRÔ-FUTURISTA
   ======================================== */

:root {
  /* Cores Neon */
  --neon-cyan: #00ffff;
  --neon-magenta: #ff00ff;
  --neon-purple: #b700ff;
  --neon-yellow: #ffff00;
  --neon-red: #ff0000;
  
  /* Cores Base */
  --bg-dark: #0a0a0a;
  --bg-darker: #050505;
  --bg-card: #1a1a1a;
  --text-light: #f5f5f5;
  --text-muted: #999999;
  --border-color: #333333;
  
  /* Espaçamento */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  
  /* Tipografia */
  --font-mono: 'Space Mono', 'Courier New', monospace;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3rem;
  --font-size-5xl: 4rem;
  --font-size-6xl: 5rem;
}

/* ========================================
   RESET E BASE
   ======================================== */

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-mono);
  background-color: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Efeito de scanlines */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 9999;
  opacity: 0.5;
}

/* Efeito de ruído digital */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 9998;
}

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

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  line-height: 1.2;
}

h1 {
  font-size: var(--font-size-5xl);
}

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

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

p {
  margin-bottom: var(--spacing-md);
}

a {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--neon-magenta);
  text-shadow: 0 0 10px var(--neon-magenta);
}

/* ========================================
   CONTAINER
   ======================================== */

.container {
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-sm);
  max-width: 1280px;
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--spacing-md);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--spacing-lg);
  }
}

/* ========================================
   LAYOUT PRINCIPAL
   ======================================== */

body {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

header {
  background-color: var(--bg-darker);
  border-bottom: 2px solid var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
  position: sticky;
  top: 0;
  z-index: 100;
}

footer {
  background-color: var(--bg-darker);
  border-top: 2px solid var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
  margin-top: auto;
}

/* ========================================
   NAVEGAÇÃO
   ======================================== */

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

.nav-brand {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--neon-cyan);
  text-shadow: 0 0 10px var(--neon-cyan);
  transition: all 0.3s ease;
}

.nav-brand:hover {
  color: var(--neon-magenta);
  text-shadow: 0 0 10px var(--neon-magenta);
}

.nav-links {
  display: flex;
  gap: var(--spacing-lg);
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-light);
  font-size: var(--font-size-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--neon-cyan);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a:hover {
  color: var(--neon-cyan);
  text-shadow: 0 0 10px var(--neon-cyan);
}

.cart-icon {
  position: relative;
  cursor: pointer;
  font-size: var(--font-size-lg);
}

.cart-count {
  position: absolute;
  top: -8px;
  right: -8px;
  background-color: var(--neon-red);
  color: var(--bg-dark);
  width: 20px;
  height: 20px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 700;
}

/* ========================================
   BOTÕES
   ======================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--neon-cyan);
  background-color: transparent;
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
  border-radius: 0;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background-color: var(--neon-cyan);
  z-index: -1;
  transition: left 0.3s ease;
}

.btn:hover::before {
  left: 0;
}

.btn:hover {
  color: var(--bg-dark);
  box-shadow: 0 0 20px var(--neon-cyan);
}

.btn-primary {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.btn-primary:hover {
  background-color: var(--neon-cyan);
  color: var(--bg-dark);
}

.btn-secondary {
  border-color: var(--neon-magenta);
  color: var(--neon-magenta);
}

.btn-secondary::before {
  background-color: var(--neon-magenta);
}

.btn-secondary:hover {
  background-color: var(--neon-magenta);
  color: var(--bg-dark);
  box-shadow: 0 0 20px var(--neon-magenta);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-base);
}

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

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ========================================
   SEÇÕES
   ======================================== */

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

.section-title {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--spacing-lg);
  color: var(--neon-cyan);
  text-shadow: 0 0 10px var(--neon-cyan);
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl) 0;
}

.hero-title {
  font-size: clamp(2rem, 8vw, 5rem);
  line-height: 1.1;
  color: var(--neon-cyan);
  text-shadow: 0 0 20px var(--neon-cyan);
  animation: glitch 0.3s ease-in-out;
}

.hero-subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
  margin-top: var(--spacing-lg);
}

/* ========================================
   GRID E LAYOUT
   ======================================== */

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

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

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .grid-3 {
    grid-template-columns: repeat(3, 1fr);
  }
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.flex-center {
  align-items: center;
  justify-content: center;
}

.flex-between {
  justify-content: space-between;
}

.gap-sm {
  gap: var(--spacing-sm);
}

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

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

/* ========================================
   CARDS
   ======================================== */

.card {
  background-color: var(--bg-card);
  border: 2px solid var(--border-color);
  padding: var(--spacing-lg);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.2), transparent);
  transition: left 0.5s ease;
}

.card:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
  transform: translateY(-5px);
}

.card:hover::before {
  left: 100%;
}

.product-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.product-image {
  width: 100%;
  height: 200px;
  background-color: var(--bg-darker);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-4xl);
  color: var(--neon-cyan);
  opacity: 0.3;
}

.product-name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--neon-cyan);
}

.product-description {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  line-height: 1.5;
}

.product-features {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.product-feature {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.product-feature::before {
  content: '▸';
  color: var(--neon-cyan);
}

.product-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

.product-price {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.product-price-value {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--neon-cyan);
}

.product-price-interval {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.product-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* ========================================
   FEATURES SECTION
   ======================================== */

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

.feature-box {
  background-color: var(--bg-card);
  border: 2px solid var(--border-color);
  padding: var(--spacing-lg);
  text-align: center;
  transition: all 0.3s ease;
  position: relative;
}

.feature-box:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 255, 255, 0.3);
}

.feature-icon {
  width: 50px;
  height: 50px;
  background-color: rgba(0, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  font-size: var(--font-size-2xl);
}

.feature-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-sm);
  color: var(--neon-cyan);
}

.feature-description {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* ========================================
   CARRINHO
   ======================================== */

.cart-container {
  display: grid;
  grid-template-columns: 1fr 350px;
  gap: var(--spacing-lg);
}

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

.cart-items {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.cart-item {
  background-color: var(--bg-card);
  border: 2px solid var(--border-color);
  padding: var(--spacing-md);
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
  justify-content: space-between;
}

.cart-item-info {
  flex: 1;
}

.cart-item-name {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--neon-cyan);
  margin-bottom: var(--spacing-xs);
}

.cart-item-price {
  font-size: var(--font-size-lg);
  color: var(--neon-cyan);
}

.cart-item-remove {
  background-color: transparent;
  border: 1px solid var(--neon-red);
  color: var(--neon-red);
  padding: var(--spacing-xs) var(--spacing-sm);
  cursor: pointer;
  transition: all 0.3s ease;
}

.cart-item-remove:hover {
  background-color: var(--neon-red);
  color: var(--bg-dark);
}

.cart-summary {
  background-color: var(--bg-card);
  border: 2px solid var(--neon-cyan);
  padding: var(--spacing-lg);
  position: sticky;
  top: 100px;
  height: fit-content;
}

.cart-summary-title {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
  color: var(--neon-cyan);
}

.cart-summary-item {
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.cart-summary-total {
  display: flex;
  justify-content: space-between;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  margin-top: var(--spacing-md);
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--neon-cyan);
}

.cart-summary-button {
  width: 100%;
  margin-top: var(--spacing-lg);
}

.cart-empty {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-muted);
}

/* ========================================
   ERRO E CÓDIGO
   ======================================== */

.error-code {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-size: var(--font-size-sm);
  color: var(--neon-cyan);
  text-shadow: 0 0 10px var(--neon-cyan);
  margin-bottom: var(--spacing-md);
}

.error-code-bracket {
  color: var(--neon-magenta);
}

/* ========================================
   ANIMAÇÕES
   ======================================== */

@keyframes glitch {
  0%, 100% {
    text-shadow: 0 0 10px var(--neon-cyan);
  }
  50% {
    text-shadow: 0 0 20px var(--neon-cyan), 0 0 10px var(--neon-magenta);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

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

.animate-glitch {
  animation: glitch 0.3s ease-in-out;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-slide-in {
  animation: slideIn 0.5s ease-out;
}

/* ========================================
   FOOTER
   ======================================== */

footer {
  padding: var(--spacing-lg) 0;
}

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

.footer-text {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

/* ========================================
   RESPONSIVIDADE
   ======================================== */

@media (max-width: 768px) {
  h1 {
    font-size: var(--font-size-3xl);
  }
  
  h2 {
    font-size: var(--font-size-2xl);
  }
  
  .nav-links {
    gap: var(--spacing-md);
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .btn {
    width: 100%;
  }
  
  .product-footer {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-md);
  }
  
  .product-actions {
    width: 100%;
  }
  
  .product-actions .btn {
    flex: 1;
  }
}

@media (max-width: 480px) {
  :root {
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
  }
  
  h1 {
    font-size: var(--font-size-2xl);
  }
  
  .nav-links {
    gap: var(--spacing-sm);
  }
  
  .nav-links a {
    font-size: var(--font-size-sm);
  }
  
  section {
    padding: var(--spacing-lg) 0;
  }
}