/* ============================================
   CRUZ 3D - STYLESHEET COMPLETO
   Design System: Inovação + Tecnologia + Exclusividade
   ============================================ */

/* ============================================
   1. VARIÁVEIS CSS (Design Tokens)
   ============================================ */
:root {
  /* Cores Primárias */
  --color-primary: #00D9FF;           /* Ciano Elétrico */
  --color-secondary: #7B2CBF;         /* Roxo Profundo */
  --color-accent: #FF006E;            /* Magenta Vibrante */
  --color-light: #F0F4F8;             /* Cinza Gelo Metálico */
  --color-dark: #1A1D29;              /* Grafite Espacial */
  
  /* Cores Adicionais */
  --color-white: #FFFFFF;
  --color-purple-medium: #9D4EDD;
  
  /* Gradientes */
  --gradient-primary: linear-gradient(135deg, #7B2CBF 0%, #00D9FF 100%);
  --gradient-secondary: linear-gradient(90deg, #00D9FF 0%, #9D4EDD 100%);
  --gradient-cta: linear-gradient(90deg, #FF006E, #7B2CBF);
  
  /* Tipografia */
  --font-heading: 'Outfit', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Tamanhos de Fonte */
  --font-size-h1: 56px;
  --font-size-h2: 40px;
  --font-size-h3: 28px;
  --font-size-body: 18px;
  --font-size-small: 14px;
  
  /* Espaçamentos */
  --spacing-section: 120px;
  --spacing-container: 80px;
  --spacing-element: 32px;
  
  /* Sombras */
  --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.08);
  --shadow-hover: 0 12px 40px rgba(0, 217, 255, 0.2);
  --shadow-cta: 0 4px 20px rgba(255, 0, 110, 0.3);
  
  /* Transições */
  --transition-default: all 0.3s ease;
  --transition-smooth: all 0.6s ease-out;
  
  /* Border Radius */
  --radius-small: 8px;
  --radius-medium: 12px;
  --radius-large: 16px;
  --radius-round: 50%;
  
  /* Container */
  --container-max: 1280px;
}

/* ============================================
   2. RESET E BASE
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  line-height: 1.6;
  color: var(--color-dark);
  background-color: var(--color-white);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

/* ============================================
   3. TIPOGRAFIA GLOBAL
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
}

h1 {
  font-size: var(--font-size-h1);
  font-weight: 800;
}

h2 {
  font-size: var(--font-size-h2);
  font-weight: 700;
}

h3 {
  font-size: var(--font-size-h3);
  font-weight: 600;
}

p {
  margin-bottom: 16px;
}

strong {
  font-weight: 600;
  color: var(--color-primary);
}

/* ============================================
   4. CONTAINER E LAYOUT GLOBAL
   ============================================ */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--spacing-container);
}

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

/* Seções com backgrounds alternados */
.section-problem,
.section-categories,
.section-how-it-works,
.section-faq {
  background-color: var(--color-light);
}

.section-testimonials {
  background: var(--gradient-primary);
  color: var(--color-white);
}

.section-solution,
.section-portfolio,
.section-differentials,
.section-contact {
  background-color: var(--color-white);
}

/* ============================================
   5. COMPONENTES: BOTÕES
   ============================================ */

/* Botão Primário (CTA Principal) */
.btn-primary {
  display: inline-block;
  background: var(--gradient-cta);
  color: var(--color-white);
  padding: 18px 40px;
  border-radius: var(--radius-medium);
  font-size: var(--font-size-body);
  font-weight: 600;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  box-shadow: var(--shadow-cta);
  transition: var(--transition-default);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(255, 0, 110, 0.5);
}

/* Botão Secundário */
.btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--color-primary);
  padding: 18px 40px;
  border-radius: var(--radius-medium);
  border: 2px solid var(--color-primary);
  font-size: var(--font-size-body);
  font-weight: 600;
  font-family: var(--font-heading);
  transition: var(--transition-default);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: var(--color-dark);
}

/* Botão WhatsApp */
.btn-whatsapp {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #25D366;
  color: var(--color-white);
  padding: 16px 32px;
  border-radius: var(--radius-medium);
  font-weight: 600;
  transition: var(--transition-default);
}

.btn-whatsapp:hover {
  background: #20BA5A;
  transform: scale(1.05);
}

/* ============================================
   6. NAVBAR (Menu)
   ============================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: var(--transition-default);
  padding: 24px 0;
}

.navbar.sticky {
  background: rgba(26, 29, 41, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
  padding: 16px 0;
}

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

.navbar-logo .logo-img {
  height: 200px;
  width: auto;
}

.navbar-menu {
  display: flex;
  gap: 32px;
  align-items: center;
}

.nav-link {
  color: var(--color-white);
  font-weight: 500;
  font-size: 16px;
  transition: var(--transition-default);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: var(--transition-default);
}

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

.btn-nav {
  padding: 12px 28px;
  font-size: 16px;
}

/* Menu Mobile Toggle */
.menu-toggle {
  display: none;
  color: var(--color-white);
  font-size: 32px;
}

/* ============================================
   7. HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 100px;
}

.hero-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gradient-primary);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  z-index: 0;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(26, 29, 41, 0.3);
}

.hero-container {
  position: relative;
  z-index: 1;
  text-align: center;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  color: var(--color-white);
  font-size: 56px;
  font-weight: 600;
  line-height: 1.1;
  margin-bottom: 24px;
  text-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
  color: var(--color-white);
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 16px;
  line-height: 1.6;
}

.hero-description {
  color: rgba(255, 255, 255, 0.9);
  font-size: 18px;
  margin-bottom: 40px;
  line-height: 1.7;
}

.btn-hero {
  margin-bottom: 48px;
}

/* Trust Badges */
.trust-badges {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(240, 244, 248, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 12px 20px;
  border-radius: var(--radius-small);
  color: var(--color-white);
  font-size: 14px;
  font-weight: 500;
}

.trust-badge .material-icons-outlined {
  color: var(--color-primary);
  font-size: 20px;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-indicator .material-icons-outlined {
  color: var(--color-white);
  font-size: 40px;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* ============================================
   8. SECTION TITLES (Títulos Globais)
   ============================================ */
.section-title {
  text-align: center;
  font-size: var(--font-size-h2);
  color: var(--color-dark);
  margin-bottom: 16px;
  position: relative;
  display: inline-block;
  width: 100%;
}

.section-testimonials .section-title {
  color: var(--color-white);
}

.section-subtitle {
  text-align: center;
  font-size: 20px;
  color: rgba(26, 29, 41, 0.7);
  margin-bottom: 64px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-testimonials .section-subtitle {
  color: rgba(255, 255, 255, 0.9);
}

.section-intro {
  text-align: center;
  font-size: 20px;
  margin-bottom: 48px;
  color: rgba(26, 29, 41, 0.8);
}

.section-closing {
  text-align: center;
  margin-top: 64px;
  font-size: 18px;
}

.subsection-title {
  font-size: 32px;
  text-align: center;
  margin-top: 80px;
  margin-bottom: 24px;
}

.subsection-intro {
  text-align: center;
  font-size: 18px;
  margin-bottom: 48px;
  color: rgba(26, 29, 41, 0.8);
}

.section-cta {
  text-align: center;
  margin-top: 64px;
}

/* ============================================
   9. PROBLEMA/DOR
   ============================================ */
.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-bottom: 48px;
}

.problem-card {
  background: var(--color-white);
  padding: 40px 32px;
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-card);
  transition: var(--transition-default);
  border: 1px solid rgba(0, 217, 255, 0.1);
}

.problem-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
}

.problem-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.1), rgba(123, 44, 191, 0.1));
  border-radius: var(--radius-medium);
  margin-bottom: 24px;
}

.problem-icon .material-icons-outlined {
  font-size: 32px;
  color: var(--color-primary);
}

.problem-title {
  font-size: 22px;
  margin-bottom: 16px;
  color: var(--color-dark);
}

.problem-description {
  color: rgba(26, 29, 41, 0.8);
  line-height: 1.7;
}

/* ============================================
   10. SOLUÇÃO
   ============================================ */
.solution-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 64px;
}

.solution-text p {
  margin-bottom: 20px;
  line-height: 1.8;
}

.solution-commitment {
  background: rgba(0, 217, 255, 0.1);
  padding: 24px;
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-small);
  margin-top: 32px;
  font-size: 20px;
}

.solution-image {
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.solution-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 3 Pilares */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 40px;
  margin-top: 48px;
}

.pillar-card {
  background: var(--color-white);
  padding: 40px 32px;
  border-radius: var(--radius-large);
  box-shadow: var(--shadow-card);
  transition: var(--transition-default);
  position: relative;
  border: 2px solid transparent;
}

.pillar-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.pillar-number {
  position: absolute;
  top: -20px;
  left: 32px;
  width: 48px;
  height: 48px;
  background: var(--gradient-primary);
  color: var(--color-white);
  border-radius: var(--radius-round);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  font-family: var(--font-heading);
  box-shadow: 0 4px 12px rgba(0, 217, 255, 0.4);
}

.pillar-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, rgba(0, 217, 255, 0.15), rgba(123, 44, 191, 0.15));
  border-radius: var(--radius-medium);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  margin-top: 12px;
}

.pillar-icon .material-icons-outlined {
  font-size: 36px;
  background: var(--gradient-secondary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.pillar-title {
  font-size: 22px;
  margin-bottom: 16px;
}

.pillar-description {
  color: rgba(26, 29, 41, 0.8);
  line-height: 1.7;
}

/* ============================================
   11. CATEGORIAS
   ============================================ */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 40px;
  margin-bottom: 64px;
}

.category-card {
  background: var(--color-white);
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-default);
  border: 1px solid rgba(0, 217, 255, 0.1);
}

.category-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary);
}

.category-image {
  height: 200px;
  overflow: hidden;
  position: relative;
}

.category-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-default);
}

.category-card:hover .category-image img {
  transform: scale(1.1);
}

.category-content {
  padding: 32px;
}

.category-icon {
  font-size: 40px;
  margin-bottom: 16px;
}

.category-title {
  font-size: 24px;
  margin-bottom: 16px;
  color: var(--color-dark);
}

.category-description {
  color: rgba(26, 29, 41, 0.8);
  margin-bottom: 24px;
  line-height: 1.7;
}

.btn-category {
  width: 100%;
  text-align: center;
}

/* ============================================
   12. PORTFÓLIO
   ============================================ */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 12px 24px;
  background: var(--color-white);
  border: 2px solid rgba(0, 217, 255, 0.3);
  border-radius: 24px;
  font-weight: 500;
  color: var(--color-dark);
  transition: var(--transition-default);
  cursor: pointer;
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--color-primary);
  color: var(--color-dark);
  border-color: var(--color-primary);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  margin-bottom: 64px;
}

.portfolio-item {
  position: relative;
  border-radius: var(--radius-large);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition-default);
  height: 300px;
}

.portfolio-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, rgba(26, 29, 41, 0.9), transparent);
  padding: 24px;
  color: var(--color-white);
  opacity: 0;
  transition: var(--transition-default);
}

.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}

.portfolio-overlay h4 {
  font-size: 20px;
  margin-bottom: 8px;
}

.portfolio-overlay p {
  font-size: 14px;
  color: var(--color-primary);
}

/* ============================================
   13. DIFERENCIAIS
   ============================================ */
.differentials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-bottom: 64px;
}

.differential-card {
  background: linear-gradient(135deg, rgba(240, 244, 248, 0.5), rgba(255, 255, 255, 0.8));
  backdrop-filter: blur(10px);
  padding: 40px 32px;
  border-radius: var(--radius-large);
  border: 1px solid rgba(0, 217, 255, 0.2);
  transition: var(--transition-default);
  text-align: center;
}

.differential-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
  background: var(--color-white);
}

.differential-icon {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: var(--radius-round);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  box-shadow: 0 4px 20px rgba(0, 217, 255, 0.3);
}

.differential-icon .material-icons-outlined {
  font-size: 40px;
  color: var(--color-white);
}

.differential-title {
  font-size: 20px;
  margin-bottom: 16px;
}

.differential-description {
  color: rgba(26, 29, 41, 0.8);
  line-height: 1.7;
}

.section-humanize {
  max-width: 800px;
  margin: 80px auto 0;
  text-align: center;
  padding: 40px;
  background: rgba(0, 217, 255, 0.05);
  border-radius: var(--radius-large);
  border-left: 4px solid var(--color-primary);
}

/* ============================================
   14. DEPOIMENTOS
   ============================================ */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
  margin-bottom: 64px;
}

.testimonial-card {
  background: var(--color-light);
  padding: 40px 32px;
  border-radius: var(--radius-large);
  border-left: 4px solid var(--color-white);
  position: relative;
  transition: var(--transition-default);
}

.testimonial-card:hover {
  transform: translateY(-5px);
  border-left-color: var(--color-primary);
}

.testimonial-quote {
  font-size: 80px;
  color: rgba(0, 217, 255, 0.2);
  position: absolute;
  top: -10px;
  left: 20px;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  position: relative;
  z-index: 1;
  font-style: italic;
  color: var(--color-dark);
  margin-bottom: 24px;
  line-height: 1.8;
  font-size: 16px;
}

.testimonial-author {
  font-size: 14px;
  color: rgba(26, 29, 41, 0.7);
  line-height: 1.6;
}

.testimonial-author strong {
  color: var(--color-dark);
  display: block;
  margin-bottom: 4px;
  font-size: 16px;
}

/* ============================================
   15. COMO FUNCIONA (Timeline)
   ============================================ */
.timeline {
  max-width: 900px;
  margin: 0 auto 64px;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 40px;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient-primary);
}

.timeline-item {
  display: flex;
  gap: 32px;
  margin-bottom: 48px;
  position: relative;
}

.timeline-marker {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: var(--radius-round);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  font-weight: 700;
  font-family: var(--font-heading);
  color: var(--color-white);
  box-shadow: 0 4px 20px rgba(0, 217, 255, 0.4);
  position: relative;
  z-index: 1;
}

.timeline-content {
  flex: 1;
  padding-top: 8px;
}

.timeline-title {
  font-size: 24px;
  margin-bottom: 12px;
  color: var(--color-dark);
}

.timeline-description {
  color: rgba(26, 29, 41, 0.8);
  line-height: 1.8;
}

/* ============================================
   16. FORMULÁRIO DE CONTATO
   ============================================ */
.contact-wrapper {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 64px;
  max-width: 1100px;
  margin: 0 auto;
}

.contact-form {
  background: var(--color-white);
  padding: 48px;
  border-radius: var(--radius-large);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  color: var(--color-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 16px 20px;
  border: 2px solid rgba(0, 217, 255, 0.2);
  border-radius: var(--radius-small);
  font-size: 16px;
  font-family: var(--font-body);
  background: var(--color-white);
  transition: var(--transition-default);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 4px rgba(0, 217, 255, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.btn-submit {
  width: 100%;
  margin-top: 8px;
}

.form-alternative {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid rgba(0, 217, 255, 0.2);
  text-align: center;
}

.form-alternative p {
  margin-bottom: 16px;
}

/* Trust Elements */
.contact-trust {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.trust-item {
  display: flex;
  gap: 16px;
  background: rgba(0, 217, 255, 0.05);
  padding: 24px;
  border-radius: var(--radius-medium);
  border: 1px solid rgba(0, 217, 255, 0.15);
}

.trust-item .material-icons-outlined {
  font-size: 32px;
  color: var(--color-primary);
  flex-shrink: 0;
}

.trust-item strong {
  display: block;
  color: var(--color-dark);
  margin-bottom: 4px;
  font-size: 16px;
}

.trust-item p {
  color: rgba(26, 29, 41, 0.7);
  font-size: 14px;
  margin: 0;
}

/* ============================================
   17. FAQ (Accordion)
   ============================================ */
.faq-accordion {
  max-width: 900px;
  margin: 0 auto 64px;
}

.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-medium);
  margin-bottom: 16px;
  box-shadow: var(--shadow-card);
  overflow: hidden;
  border: 1px solid rgba(0, 217, 255, 0.1);
}

.faq-question {
  width: 100%;
  padding: 24px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--color-white);
  cursor: pointer;
  transition: var(--transition-default);
  font-size: 18px;
  font-weight: 600;
  text-align: left;
  color: var(--color-dark);
}

.faq-question:hover {
  background: rgba(0, 217, 255, 0.05);
}

.faq-icon {
  transition: transform 0.3s ease;
  color: var(--color-primary);
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer p {
  padding: 0 32px 32px 32px;
  color: rgba(26, 29, 41, 0.8);
  line-height: 1.8;
}

/* ============================================
   18. FOOTER
   ============================================ */
.footer {
  background: var(--color-dark);
  color: var(--color-light);
  padding: 64px 0 0;
}

.footer-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo {
  height: 160px;
  margin-bottom: 16px;
}

.footer-slogan {
  font-style: italic;
  color: rgba(240, 244, 248, 0.7);
  font-size: 16px;
}

.footer h4 {
  color: var(--color-primary);
  font-size: 18px;
  margin-bottom: 20px;
}

.footer-links ul li {
  margin-bottom: 12px;
}

.footer-links a {
  color: rgba(240, 244, 248, 0.8);
  transition: var(--transition-default);
  font-size: 15px;
}

.footer-links a:hover {
  color: var(--color-primary);
  padding-left: 5px;
}

.footer-contact p {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
  color: rgba(240, 244, 248, 0.8);
  font-size: 15px;
}

.footer-contact .material-icons-outlined {
  color: var(--color-primary);
  font-size: 20px;
}

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

.social-icons a {
  width: 44px;
  height: 44px;
  background: rgba(0, 217, 255, 0.1);
  border: 2px solid rgba(0, 217, 255, 0.3);
  border-radius: var(--radius-round);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-default);
}

.social-icons a:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: translateY(-3px);
}

.social-icons .material-icons-outlined {
  color: var(--color-primary);
  font-size: 20px;
}

.social-icons a:hover .material-icons-outlined {
  color: var(--color-dark);
}

.footer-bottom {
  border-top: 1px solid rgba(240, 244, 248, 0.1);
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  color: rgba(240, 244, 248, 0.6);
  font-size: 14px;
  margin: 0;
}

/* ============================================
   19. BOTÃO WHATSAPP FLUTUANTE
   ============================================ */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background: #25D366;
  border-radius: var(--radius-round);
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.5);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-default);
}

.whatsapp-float:hover {
  transform: scale(1.15);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.7);
}

.whatsapp-float .material-icons-outlined {
  color: var(--color-white);
  font-size: 32px;
}

/* ============================================
   20. RESPONSIVIDADE (Mobile-First)
   ============================================ */

/* Tablet (768px - 1024px) */
@media (max-width: 1024px) {
  :root {
    --font-size-h1: 44px;
    --font-size-h2: 36px;
    --font-size-h3: 24px;
    --spacing-section: 80px;
    --spacing-container: 40px;
  }
  
  .solution-content,
  .contact-wrapper {
    grid-template-columns: 1fr;
  }
  
  .timeline::before {
    left: 30px;
  }
  
  .timeline-marker {
    width: 60px;
    height: 60px;
    font-size: 24px;
  }
}

/* Mobile (< 768px) */
@media (max-width: 768px) {
  :root {
    --font-size-h1: 36px;
    --font-size-h2: 28px;
    --font-size-h3: 22px;
    --font-size-body: 16px;
    --spacing-section: 60px;
    --spacing-container: 24px;
  }
  
  /* Navbar Mobile */
  .navbar-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: var(--color-dark);
    flex-direction: column;
    justify-content: center;
    gap: 24px;
    transition: right 0.4s ease;
    padding: 40px;
  }
  
  .navbar-menu.active {
    right: 0;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .btn-nav {
    display: none;
  }
  
  /* Hero Mobile */
  .hero-title {
    font-size: 36px;
  }
  
  .hero-subtitle {
    font-size: 18px;
  }
  
  .trust-badges {
    flex-direction: column;
    align-items: stretch;
  }
  
  /* Grids Mobile */
  .problems-grid,
  .categories-grid,
  .pillars-grid,
  .differentials-grid,
  .testimonials-grid,
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  /* Timeline Mobile */
  .timeline::before {
    left: 20px;
  }
  
  .timeline-marker {
    width: 40px;
    height: 40px;
    font-size: 18px;
  }
  
  .timeline-item {
    gap: 16px;
  }
  
  /* Form Mobile */
  .contact-form {
    padding: 32px 24px;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .contact-trust {
    order: -1;
  }
  
  /* Footer Mobile */
  .footer-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  /* WhatsApp Float Mobile */
  .whatsapp-float {
    width: 56px;
    height: 56px;
    bottom: 20px;
    right: 20px;
  }
}

/* ============================================
   21. ANIMAÇÕES ADICIONAIS
   ============================================ */

/* Fade In ao Scroll (será ativado via JavaScript) */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: var(--transition-smooth);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Pulse para CTAs */
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.btn-primary:focus {
  animation: pulse 0.5s ease;
}

/* ============================================
   22. UTILIDADES
   ============================================ */

/* Text Gradient */
.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glow Effect */
.glow {
  box-shadow: 0 0 20px rgba(0, 217, 255, 0.5);
}

/* No Select (para elementos decorativos) */
.no-select {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
}

/* ============================================
   23. ANIMAÇÃO IMPRESSÃO
   ============================================ */

/* ============================================
   ANIMAÇÃO DA IMPRESSORA 3D - TROCA INSTANTÂNEA
   ============================================ */

.solution-image {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
}

.printer-animation-container {
  position: relative;
  width: auto;
  max-width: 100%;
  display: inline-block;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

.printer-animation-container img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: contain;
}

.printer-animation-container img:not(:first-child) {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  animation: instantSwitch 4s infinite;
}

/* Define que a primeira imagem estabelece o tamanho */
.printer-animation-container img:first-child {
  position: relative;
  animation: instantSwitch 4s infinite;
}

/* Delays para cada imagem - 1 segundo cada */
.printer-animation-container img:nth-child(1) {
  animation-delay: 0s;
}

.printer-animation-container img:nth-child(2) {
  animation-delay: 1s;
}

.printer-animation-container img:nth-child(3) {
  animation-delay: 2s;
}

.printer-animation-container img:nth-child(4) {
  animation-delay: 3s;
}

/* Animação de troca INSTANTÂNEA - SEM TRANSIÇÕES */
@keyframes instantSwitch {
  0% { opacity: 1; }
  24.99% { opacity: 1; }
  25% { opacity: 0; }
  100% { opacity: 0; }
}

/* Responsividade Mobile */
@media (max-width: 768px) {
  .printer-animation-container {
    max-width: 100%;
    border-radius: 12px;
  }
}