/* ==========================================================================
   NodeAI - Automações Inteligentes & Soluções em Engenharia de Processos
   Diretriz Visual: Editorial Showroom • Precisão Arquitetural • Flat Luxury
   Referência: DESIGN.md • Paleta Original Preservada: Obsidian / Cobalto / Esmeralda
   ========================================================================== */

@import "variables.css";
@import "theme.css";

/* --- 1. Design Tokens & Tipografia Editorial (Conectados a variables.css e theme.css) --- */
:root {
  /* Paleta Base Original NodeAI: Slate Profundo & Obsidian */
  --bg-base: var(--color-vault-ink, #080a11);
  --bg-surface: var(--color-mist-white, #0d121f);
  --bg-surface-elevated: #131a2b;
  --bg-card: var(--color-mist-white, #0d121f);
  --bg-card-elevated: #131a2b;

  /* Bordas Arquiteturais de Alta Precisão (Hairline) */
  --border-subtle: var(--color-hairline, rgba(255, 255, 255, 0.08));
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-active: rgba(59, 130, 246, 0.45);
  --border-emerald: rgba(16, 185, 129, 0.35);

  /* Cores de Acento: Azul Cobalto Enterprise & Esmeralda de Status */
  --brand-blue: var(--color-electric-violet, #3b82f6);
  --brand-blue-hover: var(--color-sapphire-blue, #2563eb);
  --brand-blue-light: #60a5fa;
  --brand-blue-subtle: rgba(59, 130, 246, 0.08);
  --status-emerald: var(--color-deep-teal, #10b981);
  --status-emerald-bg: rgba(16, 185, 129, 0.08);
  
  /* WhatsApp Brand */
  --whatsapp: var(--color-whatsapp, #25d366);
  --whatsapp-hover: var(--color-whatsapp-hover, #20ba59);

  /* Tipografia: Split Definidor Serif / Grotesk (per DESIGN.md) */
  --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-body: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Cores de Texto com Alto Contraste */
  --text-primary: #f8fafc;
  --text-secondary: var(--color-fog-gray, #94a3b8);
  --text-muted: #64748b;
  --text-inverse: var(--color-obsidian, #080a11);

  /* Sistema Flat Luxury: Zero sombras decorativas / depth por contraste */
  --shadow-none: none;

  /* Raios de Borda Arquiteturais (2px botões/tags/inputs, 0px cards) */
  --radius-btn: var(--radius-btn, 2px);
  --radius-tag: var(--radius-tag, 2px);
  --radius-input: var(--radius-input, 2px);
  --radius-card: var(--radius-card, 0px);

  /* Transições Precisas */
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 0.15s;
  --duration-normal: 0.25s;
}

/* --- 2. Reset & Estrutura Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Canvas de Fundo Dinâmico (Constelação Neural & Malha Arquitetural) */
#nodes-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.95;
}

/* Camada de Iluminação Ambiente Dinâmica (Aurora Mesh Float) */
.ambient-glow-layer {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}

.ambient-orb {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  will-change: transform, opacity;
  transform: translate3d(0, 0, 0);
}

.orb-1 {
  top: -15%;
  right: -5%;
  width: 680px;
  height: 680px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.16) 0%, rgba(37, 99, 235, 0.05) 50%, transparent 70%);
  filter: blur(100px);
  animation: floatOrb1 24s ease-in-out infinite alternate;
}

.orb-2 {
  top: 40%;
  left: -12%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, rgba(5, 150, 105, 0.04) 50%, transparent 70%);
  filter: blur(110px);
  animation: floatOrb2 28s ease-in-out infinite alternate;
}

.orb-3 {
  bottom: -10%;
  right: 12%;
  width: 720px;
  height: 720px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.13) 0%, rgba(59, 130, 246, 0.04) 50%, transparent 70%);
  filter: blur(120px);
  animation: floatOrb3 26s ease-in-out infinite alternate;
}

@keyframes floatOrb1 {
  0% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-70px, 90px, 0) scale(1.12); }
  100% { transform: translate3d(40px, 50px, 0) scale(0.96); }
}

@keyframes floatOrb2 {
  0% { transform: translate3d(0, 0, 0) scale(0.95); }
  50% { transform: translate3d(90px, -60px, 0) scale(1.15); }
  100% { transform: translate3d(-40px, 70px, 0) scale(1); }
}

@keyframes floatOrb3 {
  0% { transform: translate3d(0, 0, 0) scale(1.05); }
  50% { transform: translate3d(-90px, -70px, 0) scale(0.92); }
  100% { transform: translate3d(60px, -40px, 0) scale(1.1); }
}

/* Container Responsivo */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 28px;
  position: relative;
  z-index: 1;
}

/* --- 3. Tipografia & Títulos Editoriais --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--text-primary);
  line-height: 1.18;
}

.hero-title,
.section-title,
.final-cta-title {
  font-family: var(--font-display);
  letter-spacing: 0.02em; /* Anti-convention positive tracking para elegância de galeria */
}

/* Seções Gerais com Ritmo Amplo (Pacing de Galeria) */
.section {
  padding: 96px 0;
  position: relative;
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  margin-bottom: 56px;
}

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

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-blue-light);
  background: var(--brand-blue-subtle);
  border: 1px solid rgba(59, 130, 246, 0.2);
  padding: 4px 12px;
  border-radius: var(--radius-tag);
  margin-bottom: 18px;
}

.section-title {
  font-size: clamp(2.1rem, 3.4vw, 2.9rem);
  font-weight: 700;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: clamp(1rem, 1.2vw, 1.15rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.65;
}

/* --- 4. Botões de Ação Arquiteturais (2px radius, 12px 27px padding) --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 12px 27px; /* Conforme DESIGN.md: generoso respiro horizontal */
  border-radius: var(--radius-btn);
  text-decoration: none;
  cursor: pointer;
  transition: all var(--duration-fast);
  border: 1px solid transparent;
  position: relative;
  white-space: nowrap;
  box-shadow: var(--shadow-none);
}

.btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Botão Primário: Azul Cobalto Enterprise com Bordas Retas */
.btn-primary {
  background: var(--brand-blue);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  background: var(--brand-blue-hover);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-primary:active {
  transform: translateY(1px);
}

/* Link de Texto Fantasma Adjacente (per DESIGN.md: paired ghost link) */
.btn-ghost-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--brand-blue-light);
  text-decoration: none;
  padding: 12px 8px;
  transition: color var(--duration-fast);
}

.btn-ghost-link:hover {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-btn);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.25);
}

.btn-card {
  width: 100%;
  padding: 11px 20px;
  font-size: 0.9rem;
  border-radius: var(--radius-btn);
}

.btn-card-link {
  display: inline-flex;
  align-items: center;
  font-size: 0.86rem;
  color: var(--brand-blue-light);
  text-decoration: none;
  margin-top: 10px;
  transition: color var(--duration-fast);
}

.btn-card-link:hover {
  color: #ffffff;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.btn-lg {
  padding: 14px 34px;
  font-size: 1.05rem;
}

/* --- 5. Barra de Navegação --- */
.navbar-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(8, 10, 17, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

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

.brand-link {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  height: 36px;
  width: auto;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-item {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.88rem;
  transition: color var(--duration-fast);
  padding: 6px 0;
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-nav {
  padding: 9px 20px;
  font-size: 0.88rem;
}

/* Botão Mobile */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  background: transparent;
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-btn);
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-primary);
  transition: all var(--duration-fast);
}

/* --- 6. Hero Section (Showroom Editorial) --- */
.hero-section {
  padding: 130px 0 80px 0;
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.95fr;
  gap: 56px;
  align-items: center;
}

.hero-badge {
  display: inline-block;
  margin-bottom: 22px;
}

.hero-badge-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--brand-blue-light);
  background: var(--brand-blue-subtle);
  border: 1px solid rgba(59, 130, 246, 0.25);
  padding: 4px 12px;
  border-radius: var(--radius-tag);
}

.hero-title {
  font-size: clamp(2.3rem, 3.8vw, 3.4rem);
  font-weight: 700;
  line-height: 1.14;
  margin-bottom: 22px;
  color: #ffffff;
}

.hero-description {
  font-size: clamp(1.02rem, 1.18vw, 1.15rem);
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 34px;
  max-width: 580px;
}

.hero-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 44px;
}

/* Métricas Arquiteturais do Hero */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-top: 30px;
  border-top: 1px solid var(--border-subtle);
  max-width: 560px;
}

.stat-card {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-mono);
  font-size: 1.55rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.1;
  letter-spacing: -0.01em;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 6px;
  line-height: 1.35;
}

/* --- 7. Hero Visual: Console de Arquitetura de Sistemas --- */
.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.pipeline-console-card {
  width: 100%;
  max-width: 500px;
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-card); /* 0px conforme DESIGN.md */
  overflow: hidden;
  position: relative;
}

.console-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
}

.console-label-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.console-status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--status-emerald);
  background: var(--status-emerald-bg);
  border: 1px solid var(--border-emerald);
  padding: 2px 8px;
  border-radius: var(--radius-tag);
}

.status-indicator {
  width: 6px;
  height: 6px;
  background: var(--status-emerald);
  border-radius: 50%;
  position: relative;
}

.status-indicator::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  border: 1px solid var(--status-emerald);
  animation: radarPulse 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

@keyframes radarPulse {
  0% { transform: scale(0.9); opacity: 0.9; }
  100% { transform: scale(2.8); opacity: 0; }
}

.pipeline-flow {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.flow-node {
  display: flex;
  align-items: center;
  gap: 14px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-btn);
  padding: 12px 16px;
}

.node-icon-box {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-btn);
  background: var(--brand-blue-subtle);
  border: 1px solid rgba(59, 130, 246, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--brand-blue-light);
  flex-shrink: 0;
}

.node-icon-box svg {
  width: 18px;
  height: 18px;
}

.node-info {
  flex: 1;
}

.node-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2px;
}

.node-title {
  font-family: var(--font-body);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-primary);
}

.node-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

.node-detail {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.flow-connector {
  display: flex;
  justify-content: center;
  height: 14px;
  position: relative;
  overflow: hidden;
}

.flow-connector::before {
  content: '';
  width: 1px;
  height: 100%;
  background: var(--border-medium);
  display: block;
}

.flow-connector::after {
  content: '';
  position: absolute;
  top: -8px;
  width: 2px;
  height: 5px;
  background: #60a5fa;
  box-shadow: 0 0 6px #3b82f6;
  border-radius: 1px;
  animation: streamFlow 2.2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
}

@keyframes streamFlow {
  0% { top: -8px; opacity: 0; }
  25% { opacity: 1; }
  75% { opacity: 1; }
  100% { top: 100%; opacity: 0; }
}

.console-footer {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 12px 18px;
  background: rgba(0, 0, 0, 0.2);
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
}

.telemetry-item strong {
  color: var(--text-primary);
  display: block;
  font-size: 0.8rem;
  margin-top: 2px;
}

/* --- 8. Seção Comparativo Operacional --- */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.comparison-card {
  border-radius: var(--radius-card); /* 0px */
  padding: 36px 32px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
}

.card-negative {
  border-color: rgba(239, 68, 68, 0.2);
  border-left: 3px solid rgba(239, 68, 68, 0.6);
}

.card-positive {
  border-color: rgba(59, 130, 246, 0.25);
  border-left: 3px solid var(--brand-blue);
}

.card-badge {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: var(--radius-tag);
  margin-bottom: 18px;
}

.badge-negative {
  color: #f87171;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.badge-positive {
  color: var(--brand-blue-light);
  background: var(--brand-blue-subtle);
  border: 1px solid rgba(59, 130, 246, 0.25);
}

.comparison-heading {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.comparison-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.comparison-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.94rem;
  line-height: 1.55;
  color: var(--text-secondary);
}

.list-icon {
  width: 20px;
  height: 20px;
  border-radius: var(--radius-btn);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 0.75rem;
  margin-top: 2px;
}

.icon-cross {
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

.icon-check {
  color: var(--status-emerald);
  background: var(--status-emerald-bg);
}

/* --- 9. Seção Soluções Especializadas --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card,
.step-card,
.comparison-column,
.pipeline-console-card {
  position: relative;
  background-image: radial-gradient(
    480px circle at var(--spot-x, -999px) var(--spot-y, -999px),
    rgba(59, 130, 246, 0.08),
    transparent 65%
  );
  transition: transform var(--duration-fast), border-color var(--duration-fast);
}

.service-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card); /* 0px */
  padding: 34px 28px;
  display: flex;
  flex-direction: column;
}

.service-card:hover,
.step-card:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.35);
}

.service-featured {
  border-color: rgba(59, 130, 246, 0.35);
  background: #0e1422;
}

.service-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.service-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--brand-blue-light);
  letter-spacing: 0.06em;
}

.featured-indicator {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--status-emerald);
  background: var(--status-emerald-bg);
  border: 1px solid var(--border-emerald);
  padding: 2px 8px;
  border-radius: var(--radius-tag);
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  margin-bottom: 14px;
  line-height: 1.25;
}

.service-overview {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 22px;
  flex: 1;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 18px;
  margin-bottom: 24px;
}

.service-features li {
  font-size: 0.88rem;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.45;
}

.service-features li::before {
  content: '—';
  color: var(--brand-blue-light);
  font-family: var(--font-mono);
}

.service-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
}

/* --- 10. Simulador de Retorno sobre Investimento (ROI) --- */
.calculator-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-card); /* 0px */
  padding: 48px;
  overflow: hidden;
}

.calculator-body {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: center;
  margin-top: 40px;
  min-width: 0;
}

.calculator-controls {
  display: flex;
  flex-direction: column;
  gap: 30px;
  min-width: 0;
  width: 100%;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 0;
  width: 100%;
}

.control-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.94rem;
  gap: 12px;
  min-width: 0;
}

.control-header label {
  color: var(--text-primary);
  font-weight: 500;
  flex: 1;
  min-width: 0;
  line-height: 1.35;
}

.control-value {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--brand-blue-light);
  background: var(--brand-blue-subtle);
  padding: 4px 12px;
  border-radius: var(--radius-tag);
  border: 1px solid rgba(59, 130, 246, 0.2);
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
  white-space: nowrap;
}

/* Slider de Precisão Arquitetural com Otimização Touch (Android & iOS) */
.slider-input {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 3px;
  outline: none;
  cursor: pointer;
  touch-action: pan-y;
  margin: 10px 0;
}

.slider-input:hover {
  background: rgba(255, 255, 255, 0.22);
}

.slider-input::-webkit-slider-runnable-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 3px;
}

.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  background: var(--brand-blue);
  border: 2px solid #ffffff;
  border-radius: 50%;
  cursor: pointer;
  margin-top: -8px;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.35);
  transition: transform var(--duration-fast), background var(--duration-fast);
}

.slider-input::-webkit-slider-thumb:hover,
.slider-input::-webkit-slider-thumb:active {
  background: var(--brand-blue-hover);
  transform: scale(1.15);
}

.slider-input::-moz-range-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.14);
  border-radius: 3px;
}

.slider-input::-moz-range-thumb {
  width: 22px;
  height: 22px;
  background: var(--brand-blue);
  border: 2px solid #ffffff;
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.35);
}

.slider-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  min-width: 0;
  width: 100%;
}

/* Painel de Resultados do Simulador */
.calculator-results {
  height: 100%;
  min-width: 0;
  width: 100%;
}

.results-box {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-card); /* 0px */
  padding: 36px 30px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  min-width: 0;
  overflow: hidden;
}

.results-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

.result-metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.metric-label {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.35;
}

.metric-value-box {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px;
  min-width: 0;
}

.metric-currency {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-primary);
}

.metric-number {
  font-family: var(--font-mono);
  font-size: clamp(1.8rem, 4vw, 2.3rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.metric-unit {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.metric-annual {
  font-size: 0.82rem;
  color: var(--status-emerald);
  font-family: var(--font-mono);
  margin-top: 4px;
  line-height: 1.35;
}

.result-divider {
  height: 1px;
  background: var(--border-subtle);
  width: 100%;
}

.results-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.btn-calc-cta {
  width: 100%;
  padding: 14px 18px;
  font-size: 0.92rem;
  white-space: normal;
  text-align: center;
  line-height: 1.35;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.btn-calc-cta span {
  white-space: normal;
}

/* --- 11. Seção Metodologia / Etapas --- */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.step-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card); /* 0px */
  padding: 30px 22px;
  border-top: 2px solid var(--border-medium);
}

.step-number {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--brand-blue-light);
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 12px;
  line-height: 1.25;
}

.step-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* --- 12. Seção de Perguntas Frequentes (FAQ) --- */
.faq-container {
  max-width: 840px;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card); /* 0px */
  overflow: hidden;
  transition: border-color var(--duration-fast);
}

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

.faq-item.active {
  border-color: var(--border-active);
  background: var(--bg-surface-elevated);
}

.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 24px;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1.02rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  gap: 16px;
  line-height: 1.4;
}

.faq-icon {
  font-family: var(--font-mono);
  font-size: 1.25rem;
  color: var(--text-muted);
  transition: transform var(--duration-normal);
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  color: var(--brand-blue-light);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--duration-normal) ease, padding var(--duration-normal) ease;
  padding: 0 24px;
}

.faq-item.active .faq-answer {
  max-height: 320px;
  padding: 0 24px 24px 24px;
}

.faq-answer p {
  font-size: 0.93rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

/* --- 13. CTA Final --- */
.final-cta-section {
  padding: 80px 0 100px 0;
  border-bottom: none;
}

.final-cta-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-card); /* 0px */
  padding: 64px 32px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.final-cta-title {
  font-size: clamp(2rem, 3.4vw, 2.7rem);
  font-weight: 700;
  margin: 18px auto;
  max-width: 720px;
  color: #ffffff;
}

.final-cta-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 36px auto;
  line-height: 1.65;
}

.final-cta-actions {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.cta-direct-contact {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.cta-direct-contact strong {
  color: var(--text-primary);
}

/* --- 14. Rodapé --- */
.footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-base);
  padding: 72px 0 36px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  margin-bottom: 56px;
}

.footer-logo {
  height: 34px;
  width: auto;
  margin-bottom: 18px;
}

.footer-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: 20px;
}

/* Redes Sociais e Ações Rápidas de Contato no Rodapé */
.footer-social-section {
  margin-top: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-social-heading {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  font-weight: 600;
}

.footer-action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.footer-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 500;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  transition: all var(--duration-fast) cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.footer-cta-icon {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

.footer-cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.footer-cta-whatsapp:hover {
  border-color: rgba(37, 211, 102, 0.4);
  background: rgba(37, 211, 102, 0.08);
  color: #25D366;
}

.footer-cta-instagram:hover {
  border-color: rgba(225, 48, 108, 0.4);
  background: rgba(225, 48, 108, 0.08);
  color: #E1306C;
}

.footer-cta-email:hover {
  border-color: rgba(79, 142, 247, 0.4);
  background: rgba(79, 142, 247, 0.08);
  color: var(--brand-blue-light);
}

.footer-contact-details {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.footer-contact-item {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-contact-item .contact-label {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  color: var(--text-muted);
  min-width: 68px;
}

.footer-contact-item a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.footer-contact-item a:hover {
  color: var(--brand-blue-light);
  text-decoration: underline;
}

.footer-icon {
  width: 16px;
  height: 16px;
  color: var(--brand-blue-light);
}

.footer-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

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

.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--duration-fast);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-compliance {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border-subtle);
  padding-top: 32px;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.footer-tech-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

/* --- 15. Botão Flutuante de WhatsApp (Sóbrio, sem badge fake) --- */
.whatsapp-floating {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 52px;
  height: 52px;
  background: var(--whatsapp);
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  text-decoration: none;
  transition: transform var(--duration-fast), background var(--duration-fast);
}

.whatsapp-floating:hover {
  transform: scale(1.05);
  background: var(--whatsapp-hover);
}

.wa-icon {
  width: 28px;
  height: 28px;
}

.wa-tooltip {
  position: absolute;
  right: 64px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-btn);
  padding: 7px 12px;
  display: flex;
  flex-direction: column;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(8px);
  transition: all var(--duration-fast);
}

.whatsapp-floating:hover .wa-tooltip {
  opacity: 1;
  transform: translateX(0);
}

.wa-tooltip-title {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--status-emerald);
  font-family: var(--font-mono);
}

.wa-tooltip-text {
  font-size: 0.78rem;
  color: var(--text-primary);
}

/* --- 16. Responsividade --- */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
    max-width: 560px;
    margin: 0 auto;
  }
  
  .steps-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .calculator-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  html, body {
    overflow-x: hidden;
    max-width: 100vw;
  }

  .container {
    padding: 0 18px;
  }

  .section {
    padding: 64px 0;
  }

  .btn {
    white-space: normal;
  }

  .navbar .nav-links {
    position: fixed;
    top: 72px;
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-medium);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: all var(--duration-normal);
    z-index: 1001;
  }
  
  .navbar .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .btn-nav span {
    display: none;
  }
  
  .btn-nav {
    width: 38px;
    height: 38px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  .comparison-grid {
    grid-template-columns: 1fr;
  }
  
  .steps-grid {
    grid-template-columns: 1fr;
  }
  
  /* Enquadramento e Proporção do Simulador em Tablets & Celulares */
  .calculator-card {
    padding: 28px 18px;
    border-radius: var(--radius-card);
  }

  .calculator-body {
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    margin-top: 28px;
  }

  .calculator-controls,
  .calculator-results {
    min-width: 0;
    width: 100%;
  }

  .control-group {
    gap: 10px;
  }

  .control-header {
    gap: 10px;
  }

  .slider-input {
    margin: 12px 0;
  }

  .slider-input::-webkit-slider-thumb {
    width: 26px;
    height: 26px;
    margin-top: -10px;
  }

  .slider-input::-moz-range-thumb {
    width: 26px;
    height: 26px;
  }

  .results-box {
    padding: 26px 20px;
    gap: 18px;
  }

  .metric-number {
    font-size: clamp(1.85rem, 6.5vw, 2.3rem);
  }

  .btn-calc-cta {
    padding: 14px 16px;
    font-size: 0.9rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }
}

/* Telas de Celulares (Android e iOS - 360px a 480px) */
@media (max-width: 480px) {
  .container {
    padding: 0 14px;
  }

  .section {
    padding: 52px 0;
  }

  .section-title {
    font-size: 1.85rem;
    line-height: 1.22;
  }

  .section-subtitle {
    font-size: 0.95rem;
    line-height: 1.55;
  }

  /* Simulador de ROI com Enquadramento Perfeito em Celulares */
  .calculator-card {
    padding: 22px 14px;
    margin: 0;
  }

  .calculator-body {
    gap: 24px;
    margin-top: 22px;
  }

  .calculator-controls {
    gap: 22px;
  }

  .control-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
  }

  .control-header label {
    font-size: 0.88rem;
    line-height: 1.35;
  }

  .control-value {
    font-size: 0.84rem;
    padding: 3px 8px;
  }

  .slider-input {
    height: 6px;
    margin: 10px 0;
  }

  .slider-input::-webkit-slider-thumb {
    width: 24px;
    height: 24px;
    margin-top: -9px;
  }

  .slider-input::-moz-range-thumb {
    width: 24px;
    height: 24px;
  }

  .slider-labels {
    font-size: 0.7rem;
    gap: 4px;
  }

  .results-box {
    padding: 20px 14px;
    gap: 16px;
  }

  .results-tag {
    font-size: 0.68rem;
  }

  .metric-label {
    font-size: 0.82rem;
  }

  .metric-currency {
    font-size: 1.2rem;
  }

  .metric-number {
    font-size: 1.85rem;
    line-height: 1.1;
  }

  .metric-unit {
    font-size: 0.82rem;
  }

  .metric-annual {
    font-size: 0.78rem;
  }

  .results-note {
    font-size: 0.76rem;
    line-height: 1.45;
  }

  .btn-calc-cta {
    padding: 13px 12px;
    font-size: 0.86rem;
    gap: 8px;
  }

  .btn-calc-cta .btn-icon {
    width: 16px;
    height: 16px;
  }

  .footer-action-buttons {
    gap: 8px;
  }

  .footer-cta-btn {
    padding: 7px 12px;
    font-size: 0.8rem;
  }
}

/* Telas Ultra-Estreitas (ex: Galaxy Fold fechado 280px - 320px) */
@media (max-width: 340px) {
  .container {
    padding: 0 10px;
  }

  .calculator-card {
    padding: 18px 10px;
  }

  .control-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .control-value {
    align-self: flex-start;
  }

  .results-box {
    padding: 16px 10px;
  }

  .metric-number {
    font-size: 1.65rem;
  }

  .btn-calc-cta {
    font-size: 0.82rem;
    padding: 12px 8px;
  }

  .footer-action-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .footer-cta-btn {
    justify-content: center;
  }
}