/* ==========================================================================
   DESLIGAR PC — DESIGN SYSTEM OFICIAL AMAZON ALEXA DEVELOPER
   Inspirado diretamente em: https://developer.amazon.com/pt-BR/alexa
   Paleta: Amazon Navy (#131921, #232f3e), Alexa Cyan/Blue (#00a4e4, #007eb9, #00caff),
   Amazon Amber (#ff9900, #ec7211), Clean White (#ffffff, #f8f9fa, #eaeded).
   ========================================================================== */

:root {
  /* Cores Oficiais Amazon / Alexa */
  --amazon-black: #131921;
  --amazon-navy: #232f3e;
  --amazon-navy-light: #2c3848;
  --amazon-orange: #ff9900;
  --amazon-orange-hover: #f08804;
  --amazon-orange-active: #d67400;
  
  --alexa-cyan: #00caff;
  --alexa-blue: #00a4e4;
  --alexa-blue-hover: #0082b4;
  --alexa-blue-dark: #007eb9;
  --alexa-blue-tint: #e7f6fd;
  --alexa-blue-border: #bce3f8;
  
  /* Fundos e Superfícies (Estilo Developer Portal Limpo) */
  --bg-body: #ffffff;
  --bg-section-alt: #f8f9fa;
  --bg-card: #ffffff;
  --bg-input: #ffffff;
  
  /* Textos & Tipografia (Amazon Ember style) */
  --text-main: #16191f;
  --text-body: #545b64;
  --text-muted: #879596;
  --text-light: #d5dbdb;
  --text-white: #ffffff;
  
  /* Bordas e Divisores */
  --border-light: #eaeded;
  --border-medium: #d5dbdb;
  --border-focus: #00a4e4;
  
  /* Efeitos e Sombras */
  --shadow-subtle: 0 2px 6px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 4px 14px rgba(0, 0, 0, 0.06);
  --shadow-card-hover: 0 10px 25px rgba(0, 164, 228, 0.12);
  --shadow-alexa-ring: 0 0 25px rgba(0, 202, 255, 0.75), 0 0 50px rgba(0, 164, 228, 0.45);
  
  /* Fontes e Raios */
  --font-sans: "Amazon Ember", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
  
  --transition: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset e Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  background-color: var(--bg-body);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.bg-glow-layer {
  display: none;
}

/* ==========================================================================
   HEADER / NAVBAR ESTILO AMAZON DEVELOPER
   Barra superior em Amazon Squid Ink Navy (#232f3e) com borda Alexa Blue
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--amazon-navy);
  border-bottom: 3px solid var(--alexa-blue);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.nav-wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text-white);
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--alexa-cyan) 0%, var(--alexa-blue) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(0, 202, 255, 0.4);
}

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

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-white);
  line-height: 1.1;
}

.brand-badge {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--alexa-cyan);
}

/* Links de Navegação */
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-link {
  color: #d5dbdb;
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color var(--transition);
  padding: 6px 0;
  position: relative;
}

.nav-link:hover {
  color: var(--alexa-cyan);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--alexa-cyan);
  transition: width var(--transition);
}

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

.nav-cta-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Seletor de Idiomas Internacional (PT, EN, ES, DE) */
.lang-selector {
  display: flex;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-pill);
  padding: 2px 4px;
  gap: 2px;
}

.lang-btn {
  color: #d5dbdb;
  text-decoration: none;
  font-size: 0.84rem;
  font-weight: 700;
  padding: 8px 12px;
  min-height: 44px;
  min-width: 44px;
  border-radius: var(--radius-pill);
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  line-height: 1;
}

.lang-btn:hover {
  color: #ffffff;
  background-color: rgba(255, 255, 255, 0.16);
}

.lang-btn.active {
  background-color: var(--alexa-blue);
  color: #ffffff;
  box-shadow: 0 1px 6px rgba(0, 164, 228, 0.4);
}

/* Botões do Sistema */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-pill);
  transition: all var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.88rem;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 1.05rem;
}

/* Botão Primário: Alexa Blue */
.btn-primary {
  background-color: var(--alexa-blue);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(0, 164, 228, 0.35);
}

.btn-primary:hover {
  background-color: var(--alexa-blue-hover);
  box-shadow: 0 6px 18px rgba(0, 164, 228, 0.45);
  transform: translateY(-1px);
}

/* Botão Secundário: Estilo Amazon Developer Outline */
.btn-secondary {
  background-color: #ffffff;
  color: var(--alexa-blue-dark);
  border-color: var(--alexa-blue);
}

.btn-secondary:hover {
  background-color: var(--alexa-blue-tint);
  border-color: var(--alexa-blue-hover);
  color: var(--alexa-blue-hover);
  transform: translateY(-1px);
}

/* Botão Pix / Amazon Amber de Alta Conversão */
.btn-pix {
  background-color: var(--amazon-orange);
  color: #111111;
  font-weight: 700;
  border: none;
  padding: 14px 24px;
  font-size: 1.05rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 4px 14px rgba(255, 153, 0, 0.35);
}

.btn-pix:hover {
  background-color: var(--amazon-orange-hover);
  box-shadow: 0 6px 18px rgba(255, 153, 0, 0.45);
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: #ffffff;
  cursor: pointer;
  padding: 8px;
}

/* ==========================================================================
   HERO SECTION — ESTILO ALEXA DEVELOPER
   Fundo limpo e arejado, headline de alto contraste e selo "Funciona com Alexa"
   ========================================================================== */
.hero-section {
  padding: 64px 0 80px;
  background: linear-gradient(180deg, #ffffff 0%, #f4f8fb 100%);
  border-bottom: 1px solid var(--border-light);
  position: relative;
  overflow: hidden;
}

.hero-section::after {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 550px;
  height: 550px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 164, 228, 0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}

/* Selo Pill Funciona com Alexa */
.hero-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--alexa-blue-tint);
  border: 1px solid var(--alexa-blue-border);
  color: var(--alexa-blue-dark);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 24px;
}

.hero-pill-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--alexa-blue);
  box-shadow: 0 0 8px var(--alexa-cyan);
}

.hero-title {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--amazon-black);
  margin-bottom: 20px;
}

.gradient-text {
  color: var(--alexa-blue);
  background: linear-gradient(135deg, var(--alexa-blue) 0%, #006699 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.65;
  color: var(--text-body);
  margin-bottom: 32px;
  max-width: 580px;
}

.hero-cta-box {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 32px;
}

.hero-trust-badges {
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--border-light);
  padding-top: 24px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--text-body);
  font-weight: 500;
}

.trust-item svg {
  color: var(--alexa-blue);
  flex-shrink: 0;
}

/* ==========================================================================
   SIMULADOR INTERATIVO — DISPOSITIVO ECHO DOT COM ANEL DE LUZ OFICIAL
   ========================================================================== */
.hero-simulator {
  width: 100%;
}

.simulator-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.08);
  position: relative;
}

.simulator-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
}

.simulator-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #0d8240;
}

.status-indicator {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: #10b981;
  box-shadow: 0 0 8px #10b981;
}

.device-badge {
  background-color: #f2f4f8;
  color: var(--text-body);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
}

/* Foto Realista do Produto: Echo Dot + Notebook */
.hero-product-image-wrap {
  position: relative;
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 18px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--border-light);
  background-color: #f8f9fa;
}

.hero-product-img {
  width: 100%;
  height: auto;
  max-height: 250px;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.hero-product-image-wrap:hover .hero-product-img {
  transform: scale(1.03);
}

.hero-image-overlay-badge {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: rgba(19, 25, 33, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  gap: 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.pulse-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--alexa-cyan);
  box-shadow: 0 0 8px var(--alexa-cyan);
}

.pulse-dot.active {
  animation: alexa-glow-pulse 1.8s infinite ease-in-out;
  box-shadow: 0 0 14px var(--alexa-cyan), 0 0 25px var(--alexa-blue);
}

.alexa-ring-container {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at 35% 35%, #3a4556 0%, #1e2633 80%, #131921 100%);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
  border: 4px solid #232f3e;
}

/* O Famoso Anel de Luz da Alexa (Cyan + Deep Blue) */
.alexa-ring {
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border-radius: 50%;
  border: 4px solid transparent;
  pointer-events: none;
  transition: all 0.3s ease;
}

.alexa-ring.active {
  border-color: var(--alexa-cyan);
  box-shadow: var(--shadow-alexa-ring);
  animation: alexa-glow-pulse 1.8s infinite ease-in-out;
}

@keyframes alexa-glow-pulse {
  0% {
    box-shadow: 0 0 15px rgba(0, 202, 255, 0.6), 0 0 30px rgba(0, 164, 228, 0.4);
    transform: scale(1);
  }
  50% {
    box-shadow: 0 0 28px rgba(0, 202, 255, 0.9), 0 0 55px rgba(0, 164, 228, 0.6);
    transform: scale(1.02);
  }
  100% {
    box-shadow: 0 0 15px rgba(0, 202, 255, 0.6), 0 0 30px rgba(0, 164, 228, 0.4);
    transform: scale(1);
  }
}

.alexa-ring-center {
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Mockup da Tela do Computador (Windows) */
.pc-screen-display {
  background-color: #0f172a;
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 16px 20px;
  margin-bottom: 22px;
  border: 1px solid #334155;
  box-shadow: inset 0 2px 8px rgba(0, 0, 0, 0.4);
  transition: all var(--transition);
}

.pc-screen-display.screen-off {
  background-color: #020617;
  border-color: #1e293b;
  opacity: 0.6;
}

.pc-screen-text {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.pc-screen-sub {
  font-size: 0.85rem;
  color: #94a3b8;
  line-height: 1.4;
}

/* Botões do Simulador estilo Chips */
.simulator-prompts-title {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.sim-buttons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.sim-btn {
  background-color: #f8f9fa;
  border: 1px solid var(--border-medium);
  color: var(--text-main);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

.sim-btn:hover {
  background-color: var(--alexa-blue-tint);
  border-color: var(--alexa-blue);
  color: var(--alexa-blue-dark);
}

.sim-btn.active {
  background-color: var(--alexa-blue);
  border-color: var(--alexa-blue);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 164, 228, 0.35);
}

/* ==========================================================================
   SEÇÕES GERAIS E CARDS ESTILO AMAZON DEVELOPER
   ========================================================================== */
.section {
  padding: 80px 0;
}

.section-alt {
  background-color: var(--bg-section-alt);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--alexa-blue-dark);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--amazon-black);
  margin-bottom: 16px;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-body);
  line-height: 1.6;
}

/* Grid de Comandos */
.commands-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 24px;
}

.command-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-subtle);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
}

.command-card:hover {
  border-color: var(--alexa-blue);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.command-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.command-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--alexa-blue-tint);
  color: var(--alexa-blue-dark);
  display: flex;
  align-items: center;
  justify-content: center;
}

.command-type-badge {
  background-color: #f2f4f8;
  color: var(--text-body);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: var(--radius-xs);
}

.command-phrase-box {
  background: linear-gradient(135deg, var(--alexa-blue-tint) 0%, #f0f9ff 100%);
  border: 1px solid var(--alexa-blue-border);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  margin-bottom: 18px;
}

.command-phrase {
  font-weight: 700;
  color: var(--alexa-blue-dark);
  font-size: 1.02rem;
}

.command-details h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--amazon-black);
  margin-bottom: 10px;
}

.command-details p {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.55;
  margin-bottom: 20px;
}

.command-meta {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: #0d8240;
  font-weight: 600;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
}

/* ==========================================================================
   SEGURANÇA POR DESENHO (CARDS & COMPARATIVO)
   ========================================================================== */
.security-wrapper {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 36px;
  align-items: start;
}

.security-pillars {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.security-pillar {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 24px;
  box-shadow: var(--shadow-subtle);
  display: flex;
  gap: 18px;
  align-items: flex-start;
  transition: all var(--transition);
}

.security-pillar:hover {
  border-color: var(--alexa-blue);
  box-shadow: var(--shadow-card);
}

.pillar-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--alexa-blue-tint);
  color: var(--alexa-blue-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.pillar-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--amazon-black);
  margin-bottom: 6px;
}

.pillar-content p {
  font-size: 0.92rem;
  color: var(--text-body);
  line-height: 1.5;
}

/* Card de Comparação */
.security-comparison-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-card);
}

.comparison-header {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--amazon-black);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-light);
}

.comparison-item {
  border-radius: var(--radius-sm);
  padding: 18px;
  margin-bottom: 16px;
}

.comparison-item:last-child {
  margin-bottom: 0;
}

.comparison-item.bad {
  background-color: #fef2f2;
  border: 1px solid #fecaca;
}

.comparison-item.good {
  background-color: #f0fdf4;
  border: 2px solid #10b981;
}

.comp-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  margin-bottom: 8px;
}

.comp-badge.danger {
  background-color: #fee2e2;
  color: #991b1b;
}

.comp-badge.success {
  background-color: #d1fae5;
  color: #065f46;
}

.comp-title {
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--amazon-black);
  margin-bottom: 4px;
}

.comp-desc {
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.45;
}

/* ==========================================================================
   COMO FUNCIONA (3 PASSOS)
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.step-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  box-shadow: var(--shadow-subtle);
  position: relative;
  text-align: center;
  transition: all var(--transition);
}

.step-card:hover {
  border-color: var(--alexa-blue);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-3px);
}

.step-number {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--alexa-blue);
  color: #ffffff;
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 4px 12px rgba(0, 164, 228, 0.35);
}

.step-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--amazon-black);
  margin-bottom: 12px;
}

.step-card p {
  font-size: 0.95rem;
  color: var(--text-body);
  line-height: 1.55;
  margin-bottom: 16px;
}

.step-detail-badge {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--alexa-blue-dark);
  background-color: var(--alexa-blue-tint);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
}

/* ==========================================================================
   TABELA DE PREÇOS (CRO ESTILO AWS / AMAZON TIERS)
   ========================================================================== */
.pricing-intro {
  display: flex;
  justify-content: center;
  margin-bottom: 36px;
}

.trial-banner {
  background-color: var(--alexa-blue-tint);
  border: 1px solid var(--alexa-blue-border);
  color: var(--alexa-blue-dark);
  padding: 10px 24px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(300px, 460px));
  gap: 32px;
  justify-content: center;
  align-items: stretch;
}

.pricing-card {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--transition);
}

.pricing-card.popular {
  border: 2px solid var(--alexa-blue);
  box-shadow: 0 12px 35px rgba(0, 164, 228, 0.18);
}

.popular-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--alexa-blue);
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 5px 16px;
  border-radius: var(--radius-pill);
  box-shadow: 0 2px 8px rgba(0, 164, 228, 0.4);
}

.pricing-plan-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--amazon-black);
  margin-bottom: 8px;
}

.pricing-plan-desc {
  font-size: 0.92rem;
  color: var(--text-body);
  margin-bottom: 20px;
}

.pricing-price-wrap {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 6px;
}

.price-currency {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--amazon-black);
}

.price-amount {
  font-size: 3rem;
  font-weight: 800;
  color: var(--amazon-black);
  letter-spacing: -0.04em;
  line-height: 1;
}

.price-period {
  font-size: 0.95rem;
  color: var(--text-muted);
}

.price-monthly-equiv {
  font-size: 0.85rem;
  color: #0d8240;
  font-weight: 600;
  margin-bottom: 24px;
}

.pricing-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
  flex-grow: 1;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.94rem;
  color: var(--text-main);
}

.feature-item svg {
  color: #10b981;
  flex-shrink: 0;
}

.pricing-guarantee-note {
  margin-top: 40px;
  background-color: var(--alexa-blue-tint);
  border: 1px solid var(--alexa-blue-border);
  border-radius: var(--radius-md);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
  font-size: 0.92rem;
  color: var(--alexa-blue-dark);
}

.pricing-guarantee-note svg {
  color: var(--alexa-blue-dark);
  flex-shrink: 0;
}

/* ==========================================================================
   FAQ ACCORDION (ESTILO CENTRAL DE AJUDA AMAZON)
   ========================================================================== */
.faq-wrapper {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background-color: #ffffff;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item:hover {
  border-color: var(--border-medium);
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  background: none;
  border: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--amazon-black);
  cursor: pointer;
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  transition: transform var(--transition);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: var(--alexa-blue);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  color: var(--text-body);
  font-size: 0.98rem;
  line-height: 1.6;
}

/* ==========================================================================
   MODAL DE CHECKOUT PIX (MERCADO PAGO)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(19, 25, 33, 0.75);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  max-width: 480px;
  width: 100%;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  border: 1px solid var(--border-light);
  transform: translateY(20px);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  padding: 28px;
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.modal-close-btn {
  position: absolute;
  top: 12px;
  right: 12px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 10px;
  min-width: 44px;
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
}

.modal-close-btn:hover {
  color: var(--amazon-black);
}

.modal-header {
  margin-bottom: 20px;
  text-align: center;
}

.modal-header h3 {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--amazon-black);
  margin-bottom: 6px;
}

.modal-header p {
  font-size: 0.95rem;
  color: var(--text-body);
}

.pix-qr-wrapper {
  width: 180px;
  height: 180px;
  margin: 0 auto 20px;
  background-color: #ffffff;
  padding: 8px;
  border: 2px dashed var(--alexa-blue);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.pix-qr-wrapper svg {
  width: 100%;
  height: 100%;
}

.pix-instructions {
  font-size: 0.88rem;
  color: var(--text-body);
  line-height: 1.5;
  text-align: center;
  margin-bottom: 16px;
}

.pix-code-box {
  margin-bottom: 16px;
}

.pix-code-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  font-family: monospace;
  font-size: 0.85rem;
  background-color: #f8f9fa;
  color: var(--text-main);
  text-align: center;
}

/* ==========================================================================
   RODAPÉ — AMAZON DARK SQUID INK (#131921 / #232f3e)
   ========================================================================== */
.site-footer {
  background-color: var(--amazon-black);
  color: #879596;
  padding: 56px 0 32px;
  border-top: 4px solid var(--amazon-navy);
}

.footer-top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand .brand-name {
  color: #ffffff;
}

.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-top: 14px;
  max-width: 380px;
  color: #aab7b8;
}

.footer-links h4 {
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: #aab7b8;
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--alexa-cyan);
}

.footer-disclaimer-box {
  background-color: #0d121a;
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 18px 22px;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  font-size: 0.82rem;
  line-height: 1.55;
  color: #879596;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: #687374;
}

/* ==========================================================================
   BARRA FIXA FLUTUANTE DE COMPRA NO MOBILE (STICKY ACTION BAR)
   Aparece apenas em smartphones para conversão instantânea com o polegar
   ========================================================================== */
.mobile-sticky-bar {
  display: none;
}

@media (max-width: 768px) {
  body {
    padding-bottom: 78px; /* Evita que a barra sobreponha o rodapé */
  }

  .mobile-sticky-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-medium);
    padding: 10px 16px;
    padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    transition: transform 0.25s ease, opacity 0.25s ease;
  }

  /* Oculta a barra fixa quando o modal do Pix estiver aberto */
  body.modal-open .mobile-sticky-bar,
  .modal-overlay.active ~ .mobile-sticky-bar {
    transform: translateY(100%);
    opacity: 0;
    pointer-events: none;
  }

  .sticky-left {
    display: flex;
    flex-direction: column;
  }

  .sticky-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--alexa-blue-dark);
    letter-spacing: 0.04em;
  }

  .sticky-price-row {
    display: flex;
    align-items: baseline;
    gap: 4px;
  }

  .sticky-price {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--amazon-black);
    line-height: 1.1;
  }

  .sticky-period {
    font-size: 0.78rem;
    color: var(--text-muted);
  }

  .sticky-actions {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .sticky-btn-trial {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-body);
    text-decoration: none;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
  }

  .sticky-btn-pix {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--amazon-orange);
    color: #111111;
    font-family: var(--font-sans);
    font-size: 0.92rem;
    font-weight: 700;
    padding: 10px 18px;
    border-radius: var(--radius-pill);
    border: none;
    cursor: pointer;
    box-shadow: 0 3px 10px rgba(255, 153, 0, 0.4);
    white-space: nowrap;
  }

  .sticky-btn-pix:active {
    transform: scale(0.97);
    background-color: var(--amazon-orange-hover);
  }
}

/* ==========================================================================
   OTIMIZAÇÕES MOBILE-FIRST (SMARTPHONES & TABLETS)
   Projetado para usuários da Skill Alexa navegando pelo celular
   ========================================================================== */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .security-wrapper {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  
  .steps-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin: 0 auto;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  /* Layout Global no Celular */
  .container {
    padding: 0 16px;
  }

  .section {
    padding: 48px 0;
  }

  .section-header {
    margin-bottom: 32px;
  }

  .section-title {
    font-size: 1.65rem;
    line-height: 1.25;
  }

  .section-desc {
    font-size: 0.98rem;
  }

  /* Header no Celular */
  .nav-wrapper {
    height: 60px;
  }

  .brand-name {
    font-size: 1.1rem;
  }

  .brand-badge {
    font-size: 0.65rem;
  }

  .nav-links {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background-color: var(--amazon-navy);
    flex-direction: column;
    padding: 20px 24px;
    gap: 14px;
    border-bottom: 3px solid var(--alexa-blue);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
    z-index: 999;
  }

  .nav-links.active {
    display: flex;
    animation: slideDownMenu 0.25s ease-out forwards;
  }

  @keyframes slideDownMenu {
    from {
      opacity: 0;
      transform: translateY(-10px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }

  .nav-link {
    font-size: 1.05rem;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  }

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

  /* Hero Section no Celular */
  .hero-section {
    padding: 28px 0 36px;
  }

  .hero-pill {
    font-size: 0.74rem;
    padding: 5px 12px;
    margin-bottom: 16px;
  }

  .hero-title {
    font-size: 1.95rem;
    line-height: 1.2;
    margin-bottom: 14px;
    letter-spacing: -0.02em;
  }

  .hero-subtitle {
    font-size: 0.98rem;
    line-height: 1.55;
    margin-bottom: 24px;
  }

  .hero-cta-box {
    flex-direction: column;
    gap: 12px;
    margin-bottom: 24px;
  }

  .hero-cta-box .btn {
    width: 100%;
    height: 50px;
    font-size: 1rem;
    border-radius: var(--radius-pill);
  }

  .hero-trust-badges {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    padding-top: 16px;
  }

  .trust-item {
    font-size: 0.85rem;
  }

  /* Simulador Echo Adaptado para Toque no Celular */
  .simulator-card {
    padding: 18px 16px;
    border-radius: var(--radius-md);
  }

  .simulator-header {
    margin-bottom: 16px;
    padding-bottom: 10px;
  }

  .alexa-device-mockup {
    margin-bottom: 16px;
  }

  .alexa-ring-container {
    width: 100px;
    height: 100px;
    border-width: 3px;
  }

  .alexa-ring-center svg {
    width: 26px;
    height: 26px;
  }

  .pc-screen-display {
    padding: 12px 14px;
    margin-bottom: 14px;
    border-radius: 10px;
  }

  .pc-screen-text {
    font-size: 0.88rem;
  }

  .pc-screen-sub {
    font-size: 0.78rem;
  }

  .simulator-prompts-title {
    font-size: 0.75rem;
    margin-bottom: 8px;
  }

  .sim-buttons-grid {
    grid-template-columns: 1fr 1fr;
    gap: 6px;
  }

  .sim-btn {
    padding: 8px 10px;
    font-size: 0.76rem;
    border-radius: 8px;
    min-height: 42px;
  }

  .sim-btn[style*="span 2"] {
    grid-column: span 2 !important;
  }

  /* Cards de Comandos no Celular (Compactos & Fluidos) */
  .commands-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .command-card {
    padding: 18px 16px;
    border-radius: 12px;
  }

  .command-top {
    margin-bottom: 12px;
  }

  .command-icon-wrapper {
    width: 40px;
    height: 40px;
  }

  .command-phrase-box {
    padding: 10px 12px;
    margin-bottom: 12px;
  }

  .command-phrase {
    font-size: 0.94rem;
  }

  .command-details h3 {
    font-size: 1.05rem;
    margin-bottom: 6px;
  }

  .command-details p {
    font-size: 0.88rem;
    line-height: 1.45;
    margin-bottom: 14px;
  }

  .command-meta {
    font-size: 0.8rem;
    padding-top: 10px;
  }

  /* Segurança no Celular */
  .security-pillar {
    padding: 16px;
    gap: 12px;
  }

  .pillar-icon {
    width: 36px;
    height: 36px;
  }

  .pillar-content h3 {
    font-size: 1rem;
  }

  .pillar-content p {
    font-size: 0.86rem;
  }

  .security-comparison-card {
    display: none; /* Ocultar comparativo denso na versão mobile para cumprir meta de 4 a 5 telas fluidas */
  }

  .step-card .btn-sm {
    min-height: 44px;
    padding: 10px 16px;
    font-size: 0.92rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .footer-links a {
    min-height: 44px;
    padding: 8px 0;
    font-size: 0.94rem;
    display: inline-flex;
    align-items: center;
  }

  .footer-bottom a {
    min-height: 44px;
    padding: 8px 12px;
    font-size: 0.88rem;
    display: inline-flex;
    align-items: center;
  }
    font-size: 0.82rem;
  }

  /* Como Funciona no Celular */
  .step-card {
    padding: 24px 18px;
  }

  .step-number {
    width: 44px;
    height: 44px;
    font-size: 1.15rem;
    margin-bottom: 14px;
  }

  .step-card h3 {
    font-size: 1.05rem;
  }

  .step-card p {
    font-size: 0.88rem;
  }

  /* Preços no Celular (Foco na Oferta Principal) */
  .trial-banner {
    font-size: 0.82rem;
    padding: 8px 16px;
    text-align: center;
  }

  .pricing-card {
    padding: 24px 18px;
  }

  .pricing-card.popular {
    order: -1; /* Exibe a Licença Anual Pro PRIMEIRO no celular */
    border-width: 2px;
  }

  .price-amount {
    font-size: 2.5rem;
  }

  .pricing-features {
    gap: 10px;
    margin-bottom: 24px;
  }

  .feature-item {
    font-size: 0.86rem;
  }

  .btn-pix {
    width: 100%;
    height: 52px;
    font-size: 1.05rem;
  }

  .pricing-guarantee-note {
    font-size: 0.82rem;
    padding: 12px 16px;
    margin-top: 24px;
  }

  /* FAQ no Celular */
  .faq-question {
    padding: 16px 18px;
    font-size: 0.95rem;
  }

  .faq-answer-inner {
    padding: 0 18px 16px;
    font-size: 0.88rem;
  }

  /* Modal Pix Estilo "Bottom Sheet" Nativo no Celular */
  .modal-overlay {
    align-items: flex-end;
    padding: 0;
  }

  .modal-container {
    border-radius: 24px 24px 0 0;
    max-width: 100%;
    max-height: 92vh;
    overflow-y: auto;
    padding: 24px 18px;
    padding-bottom: calc(24px + env(safe-area-inset-bottom, 0px));
  }

  .modal-header h3 {
    font-size: 1.2rem;
  }

  .pix-qr-wrapper {
    width: 140px;
    height: 140px;
    margin-bottom: 14px;
  }

  .pix-instructions {
    font-size: 0.82rem;
    margin-bottom: 14px;
  }

  .pix-code-box {
    margin-bottom: 14px;
  }

  #copyPixBtn {
    height: 54px;
    font-size: 1.05rem;
    font-weight: 700;
  }

  /* Rodapé no Celular */
  .site-footer {
    padding: 40px 0 24px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 10px;
    text-align: center;
    font-size: 0.8rem;
  }
}

/* ==========================================================================
   BARRA DE COMPATIBILIDADE - ECHO, ANDROID, IPHONE & WINDOWS
   ========================================================================== */
.platform-compatibility-strip {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px 18px;
  background: #ffffff;
  border: 1px solid #d5dbdb;
  border-radius: var(--radius-pill);
  padding: 9px 18px;
  margin-top: 20px;
  max-width: 100%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.platform-compatibility-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-body);
  display: flex;
  align-items: center;
  gap: 6px;
}

.platform-items {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.platform-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-main);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.platform-badge svg {
  flex-shrink: 0;
}

.platform-badge:hover {
  transform: translateY(-1px);
}

.platform-badge.android {
  color: #0d8240;
}

.platform-badge.apple {
  color: #111111;
}

.platform-badge.echo {
  color: var(--alexa-blue-dark);
}

.platform-badge.windows {
  color: #0078d4;
}

@media (max-width: 768px) {
  .platform-compatibility-strip {
    border-radius: var(--radius-md);
    padding: 10px 14px;
    width: 100%;
    gap: 8px 12px;
  }
  .platform-items {
    gap: 10px 14px;
  }
  .platform-badge {
    font-size: 0.8rem;
  }
}

/* ==========================================================================
   SEÇÃO: DEPOIMENTOS DE CLIENTES (SOCIAL PROOF 5 ESTRELAS)
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 36px;
}

.testimonial-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.testimonial-card:hover {
  transform: translateY(-3px);
  border-color: var(--alexa-blue);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  color: #ffb703;
  margin-bottom: 14px;
}

.testimonial-stars svg {
  fill: #ffb703;
  color: #ffb703;
}

.testimonial-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: var(--text-light);
  margin-bottom: 18px;
  font-style: italic;
  flex-grow: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
}

.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--alexa-blue), var(--alexa-cyan));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.92rem;
  flex-shrink: 0;
}

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

.author-name {
  font-size: 0.92rem;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 6px;
}

.author-verified {
  display: inline-flex;
  align-items: center;
  color: #3DDC84;
}

.author-role {
  font-size: 0.8rem;
  color: var(--text-muted);
}