/* ==========================================================================
   CSS Principal - Gradual Contabilidade
   Design moderno, responsivo, dark mode nativo com efeitos premium.
   ========================================================================== */

/* Importação de Fontes Premium */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* Variáveis do Sistema de Design */
:root {
  /* Cores baseadas na identidade visual da logo */
  --bg-primary: #0a0d14;         /* Fundo ultra-escuro elegante */
  --bg-secondary: #10141f;       /* Fundo de seções/cards principais */
  --bg-tertiary: #161c2b;        /* Contraste para elementos secundários */
  
  --accent-cyan: #00adef;        /* Ciano brilhante da logo */
  --accent-cyan-rgb: 0, 173, 239;
  --accent-blue: #1e73be;        /* Azul escuro da logo */
  --accent-blue-rgb: 30, 115, 190;
  
  --text-primary: #ffffff;       /* Títulos e destaque */
  --text-secondary: #a0aec0;     /* Descrições e parágrafos */
  --text-muted: #64748b;         /* Informações de suporte */
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(0, 173, 239, 0.3);
  
  /* Gradientes de Assinatura */
  --gradient-brand: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  --gradient-dark: linear-gradient(180deg, #10141f, #0a0d14);
  --gradient-glow: linear-gradient(135deg, rgba(0, 173, 239, 0.15), rgba(30, 115, 190, 0.05));
  
  /* Fontes e Espaçamentos */
  --font-main: 'Plus Jakarta Sans', sans-serif;
  --header-height: 80px;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --border-radius-sm: 8px;
  --border-radius-md: 16px;
  --border-radius-lg: 24px;
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-primary);
  color: var(--text-secondary);
  line-height: 1.6;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition-smooth);
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  background: none;
  border: none;
  outline: none;
}

/* Otimização da Barra de Rolagem */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border: 2px solid var(--bg-primary);
  border-radius: var(--border-radius-sm);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-cyan);
}

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

.section-padding {
  padding: 100px 0;
}

.text-gradient {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  font-weight: 600;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
  gap: 8px;
}

.btn-primary {
  background: var(--gradient-brand);
  color: var(--text-primary);
  box-shadow: 0 4px 20px rgba(0, 173, 239, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 173, 239, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-cyan);
  transform: translateY(-2px);
}

/* Efeito de Vidro (Glassmorphism) */
.glass-card {
  background: rgba(16, 20, 31, 0.6);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  transition: var(--transition-smooth);
}

.glass-card:hover {
  border-color: rgba(0, 173, 239, 0.3);
  box-shadow: 0 10px 40px rgba(0, 173, 239, 0.08);
}

/* Títulos Globais de Seção */
.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 60px;
}

.section-header .tag {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent-cyan);
  margin-bottom: 12px;
  display: inline-block;
}

.section-header h2 {
  font-size: 2.5rem;
  color: var(--text-primary);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 16px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

/* ==========================================================================
   Cabeçalho / Barra de Navegação (Navbar)
   ========================================================================== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  display: flex;
  align-items: center;
  transition: var(--transition-smooth);
}

.navbar.scrolled {
  background: rgba(10, 13, 20, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  height: 70px;
  border-bottom: 1px solid var(--border-color);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-img {
  height: 48px;
  width: auto;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-smooth);
}

.navbar.scrolled .logo-img {
  height: 40px;
}

.logo-text {
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: 0.5px;
  color: var(--text-primary);
}

.logo-text span {
  color: var(--accent-cyan);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 32px;
  align-items: center;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 8px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: var(--transition-smooth);
}

.nav-link:hover {
  color: var(--text-primary);
}

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

.nav-cta {
  display: flex;
  align-items: center;
}

/* Menu Hambúrguer (Mobile) */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 20px;
  cursor: pointer;
  z-index: 1100;
}

.mobile-menu-btn span {
  width: 100%;
  height: 2px;
  background-color: var(--text-primary);
  border-radius: 2px;
  transition: var(--transition-smooth);
}

/* ==========================================================================
   Seção Hero (Banner Principal)
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  padding-top: calc(var(--header-height) + 40px);
  display: flex;
  align-items: center;
  background-image: radial-gradient(circle at 10% 20%, rgba(0, 173, 239, 0.05) 0%, transparent 40%),
                    radial-gradient(circle at 90% 80%, rgba(30, 115, 190, 0.05) 0%, transparent 40%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.hero-content {
  z-index: 10;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(0, 173, 239, 0.08);
  border: 1px solid rgba(0, 173, 239, 0.2);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-cyan);
  margin-bottom: 24px;
}

.hero-tag i {
  animation: pulse-ring 2s infinite;
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.hero-content p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 550px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-img-wrapper {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-color);
  animation: float-animation 6s ease-in-out infinite;
}

.hero-img-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10, 13, 20, 0.4), transparent);
  pointer-events: none;
}

.hero-backdrop-glow {
  position: absolute;
  width: 140%;
  height: 140%;
  background: radial-gradient(circle, rgba(0, 173, 239, 0.15) 0%, transparent 65%);
  z-index: -1;
  pointer-events: none;
  filter: blur(40px);
}

/* ==========================================================================
   Seção Estatísticas / Destaques Rápidos
   ========================================================================== */
.stats-section {
  position: relative;
  background-color: var(--bg-secondary);
  padding: 60px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

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

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-bottom: 8px;
  line-height: 1;
}

.stat-label {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* ==========================================================================
   Seção Sobre Nós (Empresa)
   ========================================================================== */
.about-section {
  background-color: var(--bg-primary);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-experience-card {
  position: absolute;
  bottom: -30px;
  right: -20px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: 280px;
  z-index: 10;
}

.about-experience-card i {
  font-size: 2.5rem;
  color: var(--accent-cyan);
}

.about-experience-card h4 {
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 700;
}

.about-content h3 {
  font-size: 2rem;
  color: var(--text-primary);
  font-weight: 800;
  margin-bottom: 20px;
}

.about-content p {
  margin-bottom: 24px;
}

.about-features {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.about-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.about-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(0, 173, 239, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
  font-size: 0.9rem;
}

.about-feature-text h5 {
  font-size: 1.05rem;
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 4px;
}

.about-feature-text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 0;
}

/* ==========================================================================
   Seção de Serviços
   ========================================================================== */
.services-section {
  background-color: var(--bg-secondary);
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.service-card {
  padding: 40px;
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-sm);
  background: linear-gradient(135deg, rgba(0, 173, 239, 0.15), rgba(30, 115, 190, 0.05));
  border: 1px solid rgba(0, 173, 239, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 28px;
  transition: var(--transition-smooth);
}

.service-icon svg {
  width: 28px;
  height: 28px;
  stroke: currentColor;
  fill: none;
  transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
  background: var(--gradient-brand);
  color: var(--text-primary);
  transform: scale(1.1);
  box-shadow: 0 4px 15px rgba(0, 173, 239, 0.3);
}

.service-card:hover .service-icon svg {
  stroke: var(--text-primary);
}

.service-card h3 {
  font-size: 1.35rem;
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 16px;
}

.service-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  flex-grow: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-cyan);
  margin-top: auto;
}

.service-link i {
  transition: var(--transition-smooth);
}

.service-card:hover .service-link i {
  transform: translateX(4px);
}

/* ==========================================================================
   Seção Simulador Tributário Interativo
   ========================================================================== */
.simulator-section {
  background-color: var(--bg-primary);
  position: relative;
}

.simulator-wrapper {
  max-width: 900px;
  margin: 0 auto;
  padding: 50px;
}

.simulator-header {
  text-align: center;
  margin-bottom: 40px;
}

.simulator-header h3 {
  font-size: 1.8rem;
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 12px;
}

.simulator-header p {
  color: var(--text-secondary);
}

.simulator-form-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: flex-start;
}

.simulator-inputs {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.input-group label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  display: flex;
  justify-content: space-between;
}

.input-group label span {
  color: var(--accent-cyan);
  font-weight: 700;
}

.slider-container {
  position: relative;
  width: 100%;
}

/* Customizar Slider de Faturamento */
.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 5px;
  background: var(--bg-tertiary);
  outline: none;
  transition: var(--transition-smooth);
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 0 10px rgba(0, 173, 239, 0.5);
  transition: var(--transition-smooth);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.select-custom {
  width: 100%;
  padding: 14px 20px;
  border-radius: var(--border-radius-sm);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 500;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg fill='%2300adef' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/></svg>");
  background-repeat: no-repeat;
  background-position: right 16px center;
}

.select-custom:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(0, 173, 239, 0.15);
}

.simulator-result-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px dashed var(--border-color);
  border-radius: var(--border-radius-md);
  padding: 32px;
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 280px;
}

.result-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
  margin: auto 0;
  color: var(--text-muted);
}

.result-placeholder i {
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.1);
  margin-bottom: 16px;
}

.result-content {
  display: none;
  animation: fadeIn 0.4s ease forwards;
}

.result-content h4 {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.regime-badge {
  display: inline-block;
  padding: 8px 16px;
  background: var(--gradient-brand);
  color: var(--text-primary);
  font-weight: 700;
  border-radius: var(--border-radius-sm);
  font-size: 1.2rem;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(0, 173, 239, 0.2);
}

.result-info {
  margin-bottom: 24px;
}

.result-info p {
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 12px;
}

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

/* ==========================================================================
   Seção Formulário de Contato e Mapa
   ========================================================================== */
.contact-section {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  position: relative;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: flex-start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.contact-info-header h3 {
  font-size: 2rem;
  color: var(--text-primary);
  font-weight: 800;
  margin-bottom: 16px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius-sm);
  background: rgba(0, 173, 239, 0.08);
  border: 1px solid rgba(0, 173, 239, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  flex-shrink: 0;
}

.contact-icon svg {
  width: 22px;
  height: 22px;
}

.contact-text h4 {
  font-size: 1rem;
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 6px;
}

.contact-text p, .contact-text a {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.contact-text a:hover {
  color: var(--accent-cyan);
}

.map-wrapper {
  width: 100%;
  height: 250px;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
}

.map-iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(1) invert(0.9) contrast(1.2); /* Estilo de mapa dark */
}

/* Formulário de Contato */
.contact-form {
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-control {
  width: 100%;
  padding: 14px 20px;
  border-radius: var(--border-radius-sm);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-control:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(0, 173, 239, 0.15);
}

textarea.form-control {
  min-height: 140px;
  resize: vertical;
}

.form-feedback {
  font-size: 0.9rem;
  display: none;
  padding: 12px;
  border-radius: var(--border-radius-sm);
}

.form-feedback.success {
  display: block;
  background: rgba(16, 185, 129, 0.1);
  color: #10b981;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-feedback.error {
  display: block;
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ==========================================================================
   Rodapé (Footer)
   ========================================================================== */
.footer {
  background-color: var(--bg-primary);
  padding: 80px 0 30px;
  border-top: 1px solid var(--border-color);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.footer-brand p {
  max-width: 320px;
  font-size: 0.95rem;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.social-icon:hover {
  background: var(--gradient-brand);
  color: var(--text-primary);
  transform: translateY(-2px);
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(0, 173, 239, 0.3);
}

.footer-nav h4, .footer-contact h4 {
  font-size: 1.1rem;
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 24px;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent-cyan);
  padding-left: 4px;
}

.footer-contact-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-contact-details li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.95rem;
}

.footer-contact-details i {
  color: var(--accent-cyan);
  margin-top: 4px;
}

.footer-bottom {
  padding-top: 30px;
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-bottom p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Animações
   ========================================================================== */
@keyframes float-animation {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-15px); }
  100% { transform: translateY(0px); }
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 173, 239, 0.4); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(0, 173, 239, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 173, 239, 0); }
}

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

/* ==========================================================================
   Responsividade (Media Queries)
   ========================================================================== */

@media (max-width: 1024px) {
  .hero-content h1 {
    font-size: 2.8rem;
  }
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .simulator-form-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 70px;
  }
  
  .section-padding {
    padding: 70px 0;
  }
  
  /* Menu responsivo mobile */
  .mobile-menu-btn {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--header-height));
    background-color: var(--bg-primary);
    flex-direction: column;
    padding: 40px 24px;
    align-items: flex-start;
    gap: 24px;
    transition: var(--transition-smooth);
    border-top: 1px solid var(--border-color);
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
  }
  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  .mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
  }
  
  .nav-cta {
    width: 100%;
  }
  
  .nav-cta .btn {
    width: 100%;
  }
  
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }
  
  .hero-content h1 {
    font-size: 2.5rem;
  }
  
  .hero-content p {
    margin: 0 auto 32px;
  }
  
  .hero-actions {
    justify-content: center;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  
  .about-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .about-experience-card {
    position: relative;
    bottom: 0;
    right: 0;
    margin: 20px auto 0;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .simulator-wrapper {
    padding: 30px 20px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-content h1 {
    font-size: 2rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .section-header h2 {
    font-size: 1.8rem;
  }
}

/* ==========================================================================
   Novos Elementos - Simulador Aprimorado e FAQ
   ========================================================================== */

/* Grupo condicional com animação suave */
.conditional-group {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.conditional-group.show {
  max-height: 150px;
  opacity: 1;
  margin-top: 15px;
}

/* Caixa de input manual no simulador */
.simulator-input-wrapper {
  display: flex;
  gap: 12px;
  align-items: center;
  width: 100%;
}

.simulator-input-number {
  width: 130px;
  padding: 10px 14px;
  border-radius: var(--border-radius-sm);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-weight: 700;
  text-align: right;
  transition: var(--transition-smooth);
}

.simulator-input-number:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(0, 173, 239, 0.15);
}

/* Ajustes no range e displays */
.range-slider-wrapper {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

/* Estilos da Seção FAQ */
.faq-section {
  background-color: var(--bg-primary);
  position: relative;
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  background: rgba(16, 20, 31, 0.4);
  overflow: hidden;
  transition: var(--transition-smooth);
}

.faq-item:hover {
  border-color: rgba(0, 173, 239, 0.25);
  box-shadow: 0 4px 20px rgba(0, 173, 239, 0.03);
}

.faq-question {
  width: 100%;
  padding: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  text-align: left;
  font-weight: 700;
  color: var(--text-primary);
  font-size: 1.1rem;
  transition: var(--transition-smooth);
}

.faq-question svg {
  width: 18px;
  height: 18px;
  transition: transform 0.4s ease;
  stroke: var(--accent-cyan);
  flex-shrink: 0;
}

.faq-item.active {
  border-color: rgba(0, 173, 239, 0.35);
  background: rgba(16, 20, 31, 0.75);
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  opacity: 0;
}

.faq-item.active .faq-answer {
  max-height: 400px;
  opacity: 1;
  border-top: 1px solid var(--border-color);
}

.faq-answer-content {
  padding: 24px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.faq-answer-content p {
  margin-bottom: 12px;
}

.faq-answer-content p:last-child {
  margin-bottom: 0;
}

.faq-answer-content strong {
  color: var(--text-primary);
}