/* ELYA - Estilo Principal do Site */
/* Design elegante, moderno e minimalista */
/* Otimizado para UX/UI, CRO, Performance e Acessibilidade */

:root {
  /* Cores Principais */
  --azul-profundo: #2C5F7F;
  --verde-oceano: #4A9B8E;
  --cinza-azulado: #6B8E9F;
  
  /* Cores Neutras */
  --branco: #FFFFFF;
  --cinza-claro: #F8FBFC;
  --cinza-medio: #E5EEF2;
  --cinza-texto: #4A5568;
  --preto-suave: #1A202C;
  
  /* Cores de Apoio */
  --verde-sucesso: #48BB78;
  --amarelo-atencao: #ECC94B;
  --whatsapp: #25D366;
  --whatsapp-hover: #1DA851;
  
  /* Espaçamentos */
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 40px;
  --spacing-xl: 64px;
  --spacing-xxl: 96px;
  
  /* Tipografia */
  --font-principal: 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  
  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(44, 95, 127, 0.06);
  --shadow-md: 0 4px 20px rgba(44, 95, 127, 0.08);
  --shadow-lg: 0 12px 40px rgba(44, 95, 127, 0.15);
  --shadow-xl: 0 20px 60px rgba(44, 95, 127, 0.2);
  
  /* Transições */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Border Radius */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
}

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

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

body {
  font-family: var(--font-principal);
  color: var(--cinza-texto);
  line-height: 1.6;
  background-color: var(--branco);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

.animate-slide-in-left {
  animation: slideInLeft 0.7s ease-out;
}

.animate-slide-in-right {
  animation: slideInRight 0.7s ease-out;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
  color: var(--azul-profundo);
  font-weight: 300;
  line-height: 1.2;
  margin-bottom: var(--spacing-sm);
}

h1 {
  font-size: 4rem;
  letter-spacing: -2px;
  font-weight: 300;
  line-height: 1.1;
}

h2 {
  font-size: 3rem;
  letter-spacing: -1.5px;
  font-weight: 300;
}

h3 {
  font-size: 2rem;
  font-weight: 500;
}

h4 {
  font-size: 1.25rem;
  font-weight: 600;
}

p {
  margin-bottom: var(--spacing-md);
  font-size: 1.125rem;
  color: var(--cinza-texto);
  line-height: 1.8;
}

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

a:hover {
  color: var(--verde-oceano);
}

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

.container-wide {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header / Navegação */
header {
  background-color: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  box-shadow: 0 2px 20px rgba(44, 95, 127, 0.08);
  transition: all 0.3s ease;
}

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

.logo {
  height: 50px;
}

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

.nav-links a {
  font-size: 0.95rem;
  font-weight: 400;
  color: var(--cinza-texto);
  letter-spacing: 0.5px;
  position: relative;
}

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

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

.nav-links a:hover {
  color: var(--azul-profundo);
}

/* Botões - Novo Design Premium */
.btn {
  display: inline-block;
  padding: 16px 38px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: none;
  text-align: center;
  text-decoration: none;
  line-height: 1.5;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--branco);
  color: var(--azul-profundo);
  box-shadow: 0 4px 20px rgba(44, 95, 127, 0.2);
  border: 2px solid transparent;
}

.btn-primary:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(44, 95, 127, 0.3);
  color: var(--azul-profundo);
  background-color: var(--cinza-claro);
}

.btn-primary:active {
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  border: 2px solid var(--branco);
  color: var(--branco);
}

.btn-secondary:hover {
  background-color: var(--branco);
  color: var(--azul-profundo);
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(255, 255, 255, 0.3);
}

.btn-whatsapp {
  background-color: var(--whatsapp);
  color: var(--branco);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-weight: 600;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp:hover {
  background-color: var(--whatsapp-hover);
  color: var(--branco);
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp::before {
  content: '💬';
  font-size: 1.3rem;
}

.btn-large {
  padding: 20px 48px;
  font-size: 1.2rem;
}

.btn-block {
  display: block;
  width: 100%;
}

/* Badges e Selos */
.badge {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.badge-success {
  background-color: rgba(72, 187, 120, 0.15);
  color: var(--verde-sucesso);
  border: 1px solid var(--verde-sucesso);
}

.badge-popular {
  background: linear-gradient(135deg, #FFD700, #FFA500);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(255, 165, 0, 0.3);
  animation: pulse 2s infinite;
}

.badge-primary {
  background-color: rgba(44, 95, 127, 0.15);
  color: var(--azul-profundo);
  border: 1px solid var(--azul-profundo);
}

/* Trust Badges - Elementos de Credibilidade */
.trust-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
  margin: var(--spacing-lg) 0;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  background-color: var(--cinza-claro);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  color: var(--cinza-texto);
  transition: all var(--transition-normal);
}

.trust-badge:hover {
  background-color: var(--cinza-medio);
  transform: translateY(-2px);
}

.trust-badge::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  background-color: var(--verde-sucesso);
  color: var(--branco);
  border-radius: 50%;
  font-weight: bold;
  font-size: 0.75rem;
}

/* Benefícios com ícones de check */
.benefits-list {
  list-style: none;
  margin: var(--spacing-md) 0;
}

.benefits-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: var(--spacing-sm);
  font-size: 1rem;
  color: var(--cinza-texto);
}

.benefits-list li::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 24px;
  height: 24px;
  background: linear-gradient(135deg, var(--verde-sucesso), var(--verde-oceano));
  color: var(--branco);
  border-radius: 50%;
  font-weight: bold;
  font-size: 0.875rem;
  margin-top: 2px;
}

/* Selo destaque (Mais Escolhido, Recomendado, etc) */
.selo-destaque {
  position: absolute;
  top: -12px;
  right: 20px;
  background: linear-gradient(135deg, #FFD700, #FFA500);
  color: #FFFFFF;
  padding: 8px 20px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 4px 15px rgba(255, 165, 0, 0.4);
  animation: pulse 2s infinite;
  z-index: 10;
}

/* Hero Section */
.hero {
  min-height: 70vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--cinza-claro) 0%, var(--branco) 100%);
  padding-top: 100px;
  padding-bottom: 40px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(74, 155, 142, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  margin-bottom: 24px;
  line-height: 1.1;
}

.hero-text .subtitle {
  font-size: 1.75rem;
  color: var(--cinza-azulado);
  margin-bottom: 24px;
  font-weight: 400;
  line-height: 1.4;
}

.hero-text p {
  font-size: 1.2rem;
  margin-bottom: 32px;
  line-height: 1.7;
}

.hero-cta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

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

.hero-image img {
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 20px 40px rgba(44, 95, 127, 0.15));
}

.page-hero {
  min-height: auto;
  padding-top: 120px;
  padding-bottom: 48px;
}

.page-hero h1 {
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* Seções */
section {
  padding: 48px 0;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 32px;
}

.section-tag {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--verde-oceano);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.section-title {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
  font-weight: 300;
}

.section-description {
  font-size: 1.25rem;
  color: var(--cinza-texto);
  line-height: 1.7;
}

/* Background alternado */
.bg-light {
  background-color: var(--cinza-claro);
}

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

/* Cards */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 32px;
}

.card {
  background-color: var(--branco);
  padding: 32px;
  border-radius: 16px;
  box-shadow: 0 2px 15px rgba(44, 95, 127, 0.08);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid var(--cinza-medio);
  position: relative;
}

.card:hover {
  transform: translateY(-10px);
  box-shadow: 0 12px 40px rgba(44, 95, 127, 0.15);
  border-color: var(--verde-oceano);
}

.card h3 {
  margin-bottom: var(--spacing-sm);
  color: var(--azul-profundo);
  font-weight: 600;
}

.card p {
  font-size: 1.05rem;
  color: var(--cinza-texto);
  line-height: 1.7;
  margin-bottom: 0;
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--verde-oceano);
}

.card-icon {
  width: 72px;
  height: 72px;
  background: linear-gradient(135deg, var(--azul-profundo), var(--verde-oceano));
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  font-size: 2rem;
  color: var(--branco);
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(44, 95, 127, 0.15);
}

.card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
  box-shadow: 0 6px 20px rgba(44, 95, 127, 0.25);
}

.card h3 {
  margin-bottom: var(--spacing-xs);
  color: var(--azul-profundo);
}

.card p {
  font-size: 1rem;
  color: var(--cinza-texto);
  line-height: 1.7;
}

/* Card de Plano (melhorado) */
.plan-card {
  background-color: var(--branco);
  border: 2px solid var(--cinza-medio);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  transition: all var(--transition-normal);
  position: relative;
  text-align: center;
}

.plan-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
  border-color: var(--verde-oceano);
}

.plan-card.featured {
  border-color: var(--verde-oceano);
  border-width: 3px;
  box-shadow: var(--shadow-lg);
  transform: scale(1.05);
}

.plan-card.featured:hover {
  transform: scale(1.08) translateY(-10px);
}

.plan-name {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--azul-profundo);
  margin-bottom: var(--spacing-sm);
}

.plan-price {
  font-size: 3rem;
  font-weight: 300;
  color: var(--azul-profundo);
  margin: var(--spacing-md) 0;
  line-height: 1;
}

.plan-price small {
  font-size: 1rem;
  color: var(--cinza-texto);
  font-weight: 400;
}

.plan-description {
  font-size: 0.95rem;
  color: var(--cinza-texto);
  margin-bottom: var(--spacing-md);
}

.plan-features {
  list-style: none;
  text-align: left;
  margin: var(--spacing-lg) 0;
}

.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: var(--spacing-sm);
  font-size: 0.95rem;
  color: var(--cinza-texto);
}

.plan-features li::before {
  content: '✓';
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  background-color: var(--verde-sucesso);
  color: var(--branco);
  border-radius: 50%;
  font-weight: bold;
  font-size: 0.75rem;
  margin-top: 2px;
}

/* Tabela Comparativa de Planos */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-xl) 0;
  background-color: var(--branco);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.comparison-table thead {
  background: linear-gradient(135deg, var(--azul-profundo), var(--verde-oceano));
  color: var(--branco);
}

.comparison-table th {
  padding: var(--spacing-md);
  text-align: center;
  font-weight: 600;
  font-size: 1.1rem;
}

.comparison-table td {
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: center;
  border-bottom: 1px solid var(--cinza-medio);
}

.comparison-table tbody tr:hover {
  background-color: var(--cinza-claro);
}

.comparison-table .feature-name {
  text-align: left;
  font-weight: 500;
  color: var(--azul-profundo);
}

.comparison-table .check {
  color: var(--verde-sucesso);
  font-size: 1.2rem;
  font-weight: bold;
}

.comparison-table .cross {
  color: var(--cinza-texto);
  opacity: 0.3;
  font-size: 1.2rem;
}

/* Accordion FAQ */
.faq-accordion {
  max-width: 900px;
  margin: var(--spacing-xl) auto;
}

.faq-item {
  background-color: var(--branco);
  border: 1px solid var(--cinza-medio);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
  transition: all var(--transition-normal);
}

.faq-item:hover {
  border-color: var(--verde-oceano);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  padding: var(--spacing-md);
  font-weight: 600;
  color: var(--azul-profundo);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all var(--transition-fast);
}

.faq-question:hover {
  background-color: var(--cinza-claro);
}

.faq-answer {
  padding: 0 var(--spacing-md) var(--spacing-md);
  color: var(--cinza-texto);
  line-height: 1.7;
  font-size: 0.95rem;
}

/* CTA Boxes */
.cta-box {
  background: linear-gradient(135deg, var(--azul-profundo), var(--verde-oceano));
  color: var(--branco);
  padding: 48px 32px;
  border-radius: var(--radius-lg);
  text-align: center;
  margin: 40px 0;
  box-shadow: var(--shadow-lg);
}

.cta-box h2 {
  color: var(--branco);
  margin-bottom: var(--spacing-sm);
}

.cta-box p {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.125rem;
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.cta-box .btn {
  background-color: var(--branco);
  color: var(--azul-profundo);
  font-weight: 600;
}

.cta-box .btn:hover {
  background-color: var(--cinza-claro);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

/* CTA Premium Final (nova seção de conversão) */
.cta-final-premium {
  background: linear-gradient(135deg, #2C5F7F 0%, #4A9B8E 100%);
  padding: 56px 0;
  margin-top: 0;
  position: relative;
  overflow: hidden;
}

.cta-final-premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.cta-final-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.cta-final-premium h2 {
  color: var(--branco);
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.cta-final-premium p {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

.cta-final-premium .btn {
  background-color: var(--branco);
  color: var(--azul-profundo);
  font-size: 1.125rem;
  padding: 18px 40px;
  font-weight: 600;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
}

.cta-final-premium .btn:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.cta-final-premium .trust-badges {
  margin-top: var(--spacing-lg);
}

.cta-final-premium .trust-badge {
  background-color: rgba(255, 255, 255, 0.15);
  color: var(--branco);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.cta-final-premium .trust-badge::before {
  background-color: var(--branco);
  color: var(--verde-oceano);
}

/* Seção de Benefícios visuais (Para "Por que escolher a ELYA?") */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.benefit-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: var(--cinza-claro);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  border: 1px solid transparent;
}

.benefit-item:hover {
  background-color: var(--branco);
  border-color: var(--verde-oceano);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.benefit-icon {
  min-width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--azul-profundo), var(--verde-oceano));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--branco);
}

.benefit-content h4 {
  font-size: 1.1rem;
  color: var(--azul-profundo);
  margin-bottom: 4px;
  font-weight: 600;
}

.benefit-content p {
  font-size: 0.9rem;
  color: var(--cinza-texto);
  margin: 0;
  line-height: 1.5;
}

/* Footer */
footer {
  background-color: var(--preto-suave);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-section h4 {
  color: var(--branco);
  margin-bottom: var(--spacing-sm);
  font-weight: 400;
}

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

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

.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
}

.footer-section a:hover {
  color: var(--verde-oceano);
}

.footer-social-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-social-icons {
  display: flex;
  align-items: center;
  gap: 12px;
}

.social-icon-link {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.85);
  transition: all 0.3s ease;
}

.social-icon-link:hover {
  background: var(--verde-oceano);
  color: var(--branco);
  transform: translateY(-2px);
}

.social-icon-link svg {
  width: 21px;
  height: 21px;
  display: block;
}

.social-contact-icon {
  min-height: 54px;
  justify-content: center;
  gap: 10px;
}

.social-contact-icon svg {
  width: 22px;
  height: 22px;
  flex: 0 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.social-contact-card {
  background-color: var(--cinza-claro);
  padding: 30px;
  border-radius: 16px;
  margin-bottom: 30px;
  border: 2px solid var(--cinza-medio);
}

.social-contact-card h3 {
  color: var(--azul-profundo);
  margin-bottom: 15px;
  font-size: 1.25rem;
}

.social-contact-card p {
  margin-bottom: 20px;
  color: var(--cinza-texto);
}

.social-contact-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.social-contact-actions .btn {
  justify-content: center;
  min-width: 0;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
}

/* Responsivo - Mobile First */
@media (max-width: 1024px) {
  .comparison-table {
    font-size: 0.875rem;
  }
  
  .comparison-table th,
  .comparison-table td {
    padding: var(--spacing-sm);
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-xl: 48px;
    --spacing-xxl: 64px;
  }
  
  html {
    font-size: 15px;
  }
  
  h1 {
    font-size: 2.25rem;
    letter-spacing: -1px;
  }
  
  h2 {
    font-size: 1.875rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
  
  p {
    font-size: 1rem;
  }
  
  .hero {
    min-height: auto;
    padding: calc(80px + var(--spacing-xl)) 0 var(--spacing-xl);
  }

  .page-hero {
    padding: calc(72px + var(--spacing-lg)) 0 var(--spacing-lg);
  }

  .page-hero h1 {
    font-size: 2rem;
    max-width: 680px;
  }

  .page-hero .subtitle {
    font-size: 1.125rem;
  }
  
  .hero-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    text-align: center;
  }
  
  .hero-text .subtitle {
    font-size: 1.25rem;
  }
  
  .hero-cta {
    justify-content: center;
    flex-direction: column;
  }
  
  .hero-cta .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .nav-links {
    display: none;
  }
  
  .logo {
    height: 40px;
  }
  
  section {
    padding: var(--spacing-xl) 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .cards-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
  }
  
  .benefits-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }
  
  .plan-card.featured {
    transform: scale(1);
  }
  
  .plan-card.featured:hover {
    transform: translateY(-8px);
  }
  
  .comparison-table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
  
  .comparison-table table {
    min-width: 600px;
  }
  
  .trust-badges {
    flex-direction: column;
    align-items: stretch;
  }
  
  .cta-final-premium h2 {
    font-size: 2rem;
  }
  
  .cta-final-premium p {
    font-size: 1.125rem;
  }
  
  .btn {
    padding: 12px 24px;
    font-size: 0.95rem;
  }
  
  .btn-large {
    padding: 16px 32px;
    font-size: 1rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    text-align: center;
  }

  .social-contact-actions {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.875rem;
  }

  .page-hero h1 {
    font-size: 1.625rem;
    line-height: 1.25;
    max-width: 320px;
  }

  .page-hero .subtitle {
    font-size: 0.95rem;
    max-width: 320px;
    margin-left: auto;
    margin-right: auto;
  }
  
  h2 {
    font-size: 1.625rem;
  }
  
  .plan-price {
    font-size: 2.5rem;
  }
  
  .cta-box,
  .cta-final-premium {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .card,
  .plan-card {
    padding: var(--spacing-md);
  }
}

/* Impressão */
@media print {
  header,
  .cta-box,
  .cta-final-premium,
  .btn,
  footer {
    display: none;
  }
  
  body {
    color: #000;
  }
}

/* Acessibilidade */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .card,
  .plan-card {
    border-width: 2px;
  }
  
  .btn {
    border: 2px solid currentColor;
  }
}

/* Focus visible para acessibilidade */
:focus-visible {
  outline: 3px solid var(--verde-oceano);
  outline-offset: 2px;
}

/* Skip to content link (acessibilidade) */
.skip-to-content {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--azul-profundo);
  color: var(--branco);
  padding: 8px 16px;
  text-decoration: none;
  z-index: 10000;
}

.skip-to-content:focus {
  top: 0;
}

/* Mobile navigation and interactive states */
.mobile-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--cinza-medio);
  border-radius: var(--radius-sm);
  background: var(--branco);
  color: var(--azul-profundo);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  transition: all var(--transition-normal);
}

.mobile-menu-toggle:hover {
  border-color: var(--verde-oceano);
  box-shadow: var(--shadow-sm);
}

.mobile-menu-toggle span {
  width: 22px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: all var(--transition-normal);
}

nav.nav-open .mobile-menu-toggle span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

nav.nav-open .mobile-menu-toggle span:nth-child(2) {
  opacity: 0;
}

nav.nav-open .mobile-menu-toggle span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.faq-question-button {
  width: 100%;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-md);
}

.faq-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--cinza-claro);
  color: var(--azul-profundo);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  transition: all var(--transition-normal);
}

.faq-open .faq-icon {
  background: var(--verde-oceano);
  color: var(--branco);
  transform: rotate(45deg);
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 72px;
    left: var(--spacing-md);
    right: var(--spacing-md);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--branco);
    border: 1px solid var(--cinza-medio);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-sm);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    pointer-events: none;
    transition: all var(--transition-normal);
  }

  nav.nav-open .nav-links {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
  }

  .nav-links a {
    display: block;
    padding: 12px 14px;
    border-radius: var(--radius-sm);
  }

  .nav-links a::after {
    display: none;
  }

  .nav-links a:hover {
    background: var(--cinza-claro);
  }

  .nav-links .btn {
    margin-top: var(--spacing-xs);
  }

  .mobile-menu-toggle {
    display: inline-flex;
  }
}