/* ============================================================
   styles.css — VERSÃO 8.0 DESIGN MODERNO COM FUNDO BRANCO
   ============================================================ */

/* -----------------------
   Variáveis CSS Modernas (Tema Claro)
   ----------------------- */
:root {
  /* Sistema de cores moderno (Light Mode Elegante) */
  --color-bg: #ffffff;
  --color-surface: #f8fafc;
  --color-surface-elevated: #ffffff;
  --color-surface-glass: rgba(255, 255, 255, 0.9);
  --color-text: #0f172a;
  --color-text-secondary: #475569;
  --color-text-muted: #64748b;
  --color-primary: #3b82f6;
  --color-primary-light: #60a5fa;
  --color-accent: #8b5cf6;
  --color-success: #10b981;
  --color-border: #e2e8f0;
  
  /* Gradientes modernos */
  --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #8b5cf6 100%);
  --gradient-light: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  --gradient-card: linear-gradient(145deg, #ffffff, #f8fafc);
  --gradient-accent: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
  --gradient-subtle: linear-gradient(135deg, #f0f9ff 0%, #fdf4ff 100%);
  
  /* Efeitos glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.9);
  --glass-border: rgba(226, 232, 240, 0.6);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  
  /* Espaçamentos com escala 8px */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 80px;
  --space-10: 96px;
  
  /* Bordas modernas */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 9999px;
  
  /* Sombras modernas (soft shadows) */
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-primary: 0 0 20px rgba(59, 130, 246, 0.15);
  --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.12);
  
  /* Layout */
  --header-height: 80px;
  --container-width: 1280px;
  --section-spacing: 100px;
  
  /* Transições modernas */
  --transition-fast: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Tipografia moderna */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 20px);
  overflow-x: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  min-height: 100vh;
  position: relative;
}

/* Background pattern moderno e sutil */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.03) 0%, transparent 25%),
    radial-gradient(circle at 90% 80%, rgba(139, 92, 246, 0.03) 0%, transparent 25%);
  z-index: -1;
  pointer-events: none;
}

/* Imagens modernas */
img, svg, video, canvas {
  max-width: 100%;
  height: auto;
  display: block;
}

img {
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
}

/* -----------------------
   Tipografia Moderna
   ----------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-5);
}

h1 { 
  font-size: clamp(2.75rem, 6vw, 4rem);
  line-height: 1;
}

h2 { 
  font-size: clamp(2.25rem, 5vw, 3rem);
  position: relative;
}

h3 { 
  font-size: clamp(1.75rem, 4vw, 2.25rem);
}

h4 { 
  font-size: clamp(1.25rem, 3vw, 1.5rem);
}

p {
  margin-bottom: var(--space-4);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.lead-text {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

/* -----------------------
   Container Moderno
   ----------------------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-6);
  }
}

/* -----------------------
   Navbar Moderno (Glassmorphism)
   ----------------------- */
.navbar {
  position: fixed;
  top: var(--space-4);
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - var(--space-8));
  max-width: var(--container-width);
  height: var(--header-height);
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  z-index: 1000;
  transition: all var(--transition-base);
  box-shadow: var(--glass-shadow);
}

.navbar.scrolled {
  top: var(--space-2);
  box-shadow: var(--shadow-lg);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 var(--space-5);
}

.navbar-brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.75rem;
  color: var(--color-text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  position: relative;
}

.navbar-brand::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.navbar-brand:hover::after {
  width: 100%;
}

.code-symbol {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-weight: 900;
}

/* Menu Moderno */
.navbar-menu {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  list-style: none;
}

.nav-link {
  padding: var(--space-3) var(--space-4);
  font-weight: 600;
  color: var(--color-text-secondary);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
  color: var(--color-text);
  background: var(--color-surface);
}

.nav-link:hover::before,
.nav-link.active::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 5px;
  background: var(--gradient-primary);
  opacity: 0.1;
  transition: left var(--transition-base);
}

.nav-link.active {
  font-weight: 700;
  color: var(--color-primary);
}

/* Menu Mobile Moderno */
.navbar-toggler {
  display: none;
  background: transparent;
  border: none;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  z-index: 1002;
}

.navbar-toggler:hover {
  background: var(--color-surface);
}

.navbar-toggler-icon {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  position: relative;
  transition: all var(--transition-base);
}

.navbar-toggler-icon::before,
.navbar-toggler-icon::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  left: 0;
  transition: all var(--transition-base);
}

.navbar-toggler-icon::before { top: -8px; }
.navbar-toggler-icon::after { bottom: -8px; }

.navbar-toggler.active {
  background: var(--color-surface);
}

.navbar-toggler.active .navbar-toggler-icon {
  background: transparent;
}

.navbar-toggler.active .navbar-toggler-icon::before {
  transform: rotate(45deg) translate(5px, 8px);
}

.navbar-toggler.active .navbar-toggler-icon::after {
  transform: rotate(-45deg) translate(5px, -8px);
}

/* -----------------------
   Hero Section Moderna
   ----------------------- */
.hero {
  padding: calc(var(--header-height) + var(--space-10)) 0 var(--space-10);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  right: -50%;
  bottom: -50%;
  background: radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
  z-index: -1;
  animation: pulse 15s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.2); opacity: 0.8; }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface-glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--space-7);
  box-shadow: var(--shadow-sm);
}

.text-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  position: relative;
  display: inline-block;
}

.text-gradient::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-base);
}

.text-gradient:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

.hero-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-5);
  flex-wrap: wrap;
  margin-top: var(--space-8);
}

/* Hero Stats */
.hero-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-8);
  margin-top: var(--space-10);
  flex-wrap: wrap;
}

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

.stat-number {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* -----------------------
   Botões Modernos
   ----------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-7);
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  transform: translateZ(0);
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to bottom, transparent, rgba(0, 0, 0, 0.05));
  border-radius: var(--radius-lg);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.btn:hover::before {
  opacity: 1;
}

.btn::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.2) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn:hover::after {
  transform: translateX(100%);
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
  transform: translateY(-3px) translateZ(10px);
  box-shadow: var(--shadow-hover);
}

.btn-secondary {
  background: var(--color-surface-elevated);
  color: var(--color-text);
  border: 2px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  transform: translateY(-3px);
  border-color: var(--color-primary);
  color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: var(--space-5) var(--space-8);
  font-size: 1.125rem;
}

.btn-sm {
  padding: var(--space-3) var(--space-5);
  font-size: 0.875rem;
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: white;
}

/* -----------------------
   Sections
   ----------------------- */
.section {
  padding: var(--section-spacing) 0;
}

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-10);
}

.section-title {
  font-size: clamp(2.25rem, 5vw, 3rem);
  margin-bottom: var(--space-5);
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.section-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.25rem);
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* -----------------------
   Services Section
   ----------------------- */
.services-section {
  background: var(--color-surface);
  position: relative;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-6);
}

.service-card {
  background: var(--color-bg);
  border-radius: var(--radius-2xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
  height: 100%;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: var(--radius-2xl) var(--radius-2xl) 0 0;
}

.service-card.featured {
  border-color: var(--color-primary);
  transform: translateY(-8px);
}

.service-card.featured::before {
  height: 6px;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-5);
  font-size: 1.75rem;
  color: white;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-primary);
}

.service-card:hover .service-icon {
  transform: rotateY(180deg) scale(1.1);
}

.service-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.service-features {
  list-style: none;
  margin: var(--space-5) 0;
  flex-grow: 1;
}

.service-features li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.service-features i {
  color: var(--color-primary);
  font-size: 1.1rem;
}

.service-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
}

.service-duration {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  font-weight: 500;
  background: var(--color-surface);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-full);
}

/* -----------------------
   Portfolio Section
   ----------------------- */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.portfolio-item {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
  position: relative;
}

.portfolio-item:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.portfolio-image-container {
  position: relative;
  overflow: hidden;
  height: 280px;
}

.portfolio-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.portfolio-item:hover .portfolio-image {
  transform: scale(1.05);
}

.portfolio-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
  color: white;
  padding: var(--space-6);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.portfolio-item:hover .portfolio-overlay {
  transform: translateY(0);
}

.portfolio-content {
  padding: var(--space-6);
}

.portfolio-category {
  display: inline-block;
  padding: var(--space-2) var(--space-4);
  background: var(--gradient-primary);
  color: white;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.portfolio-title {
  font-size: 1.5rem;
  margin-bottom: var(--space-3);
}

/* -----------------------
   Portfolio Filters (Novo)
   ----------------------- */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.filter-btn {
  padding: var(--space-3) var(--space-5);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-full);
  font-weight: 600;
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
  font-size: 0.875rem;
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-2px);
}

.filter-btn.active {
  background: var(--gradient-primary);
  color: white;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-primary);
}

/* Portfolio Tech Tags (Novo) */
.portfolio-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.portfolio-tech span {
  background: var(--color-surface);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
  transition: all var(--transition-base);
}

.portfolio-item:hover .portfolio-tech span {
  background: var(--color-primary-light);
  color: white;
}

/* -----------------------
   Process Section
   ----------------------- */
.bg-surface {
  background: var(--color-surface);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
  position: relative;
}

.process-step {
  text-align: center;
  padding: var(--space-6);
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
  position: relative;
  z-index: 1;
}

.process-step:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  margin: 0 auto var(--space-5);
  box-shadow: var(--shadow-primary);
  transition: all var(--transition-base);
}

.process-step:hover .step-number {
  transform: scale(1.1);
}

.step-title {
  font-size: 1.25rem;
  margin-bottom: var(--space-3);
}

/* -----------------------
   Testimonials
   ----------------------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-6);
  margin-top: var(--space-8);
}

.testimonial-card {
  background: var(--color-bg);
  border-radius: var(--radius-2xl);
  padding: var(--space-7);
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-base);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.testimonial-card::before {
  content: '"';
  position: absolute;
  top: var(--space-5);
  right: var(--space-5);
  font-size: 5rem;
  font-family: Georgia, serif;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  opacity: 0.1;
  line-height: 1;
}

.testimonial-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.testimonial-text {
  font-style: italic;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-6);
  font-size: 1.125rem;
  line-height: 1.8;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial-author h4 {
  margin-bottom: var(--space-1);
  color: var(--color-text);
}

.testimonial-author p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* -----------------------
   CTA Section
   ----------------------- */
.cta-section {
  background: var(--gradient-primary);
  color: white;
  padding: var(--space-10) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
}

.cta-content {
  position: relative;
  z-index: 1;
}

.cta-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  margin-bottom: var(--space-5);
  color: white;
}

.cta-description {
  color: rgba(255, 255, 255, 0.9);
  max-width: 600px;
  margin: 0 auto var(--space-8);
  font-size: 1.25rem;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.btn-light {
  background: white;
  color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.btn-light:hover {
  background: var(--color-surface);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.btn-outline-light {
  background: transparent;
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-light:hover {
  background: white;
  color: var(--color-primary);
  border-color: white;
}

/* -----------------------
   Formulário Moderno
   ----------------------- */
.quote-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.quote-form-container,
.quote-info {
  background: var(--color-bg);
  border-radius: var(--radius-2xl);
  padding: var(--space-7);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
}

.form-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  margin-bottom: var(--space-7);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.form-card-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient-primary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: white;
  flex-shrink: 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-5);
  margin-bottom: var(--space-6);
}

.form-group {
  margin-bottom: var(--space-6);
}
.budget-slider {
  width: 100%;
  color: var(--color-primary);
}
.form-label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--color-text);
}

.form-control {
  width: 100%;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  transition: all var(--transition-base);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  background: white;
}

/* -----------------------
   FAQ Moderno
   ----------------------- */
.faq-container {
  max-width: 800px;
  margin: var(--space-8) auto 0;
}

.faq-item {
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
}

.faq-item:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.faq-question {
  width: 100%;
  padding: var(--space-6);
  background: var(--color-bg);
  border: none;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: 600;
  color: var(--color-text);
  transition: background-color var(--transition-base);
}

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

.faq-icon {
  color: var(--color-primary);
  font-size: 1.25rem;
  transition: transform var(--transition-base);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-answer p {
  padding: 0 var(--space-6) var(--space-6);
  margin: 0;
}

/* -----------------------
   Footer Moderno
   ----------------------- */
.footer {
  background: var(--color-surface);
  color: var(--color-text);
  padding: var(--space-10) 0 var(--space-6);
  margin-top: var(--space-10);
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-border), transparent);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-8);
  margin-bottom: var(--space-8);
}

.footer-brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2rem;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  position: relative;
  display: inline-block;
}

.footer-brand::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
}

.footer-description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-5);
  max-width: 300px;
}

.social-links {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--color-surface-elevated);
  border-radius: var(--radius-lg);
  color: var(--color-text);
  transition: all var(--transition-base);
  text-decoration: none;
}

.social-links a:hover {
  background: var(--gradient-primary);
  color: white;
  transform: translateY(-3px);
}

.footer-links h4 {
  color: var(--color-text);
  margin-bottom: var(--space-5);
  font-size: 1.25rem;
}

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

.footer-links li {
  margin-bottom: var(--space-3);
}

.footer-links a {
  color: var(--color-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  transition: all var(--transition-base);
  padding: var(--space-2) 0;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

.footer-links a i {
  color: var(--color-primary);
  width: 20px;
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

/* -----------------------
   Back to Top Moderno
   ----------------------- */
.back-to-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: var(--radius-lg);
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 999;
  transition: all var(--transition-base);
  opacity: 0;
  transform: translateY(20px);
  box-shadow: var(--shadow-primary);
}

.back-to-top.visible {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px) scale(1.1);
  box-shadow: 0 12px 30px rgba(59, 130, 246, 0.3);
}
/* Modal de sucesso */
.success-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}

.success-modal.active {
  opacity: 1;
  visibility: visible;
}

.success-modal-content {
  background: white;
  border-radius: 24px;
  padding: 48px 32px;
  max-width: 400px;
  width: 90%;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
  transform: translateY(20px);
  transition: transform 0.3s ease;
  border: 1px solid var(--color-border);
}

.success-modal.active .success-modal-content {
  transform: translateY(0);
}

.success-modal-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #10b981, #059669);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
  font-size: 2.5rem;
  color: white;
  box-shadow: 0 10px 20px rgba(16, 185, 129, 0.3);
}

.success-modal h3 {
  font-size: 1.75rem;
  margin-bottom: 16px;
  color: var(--color-text);
}

.success-modal p {
  color: var(--color-text-secondary);
  margin-bottom: 32px;
  line-height: 1.6;
}

.success-modal .btn {
  padding: 12px 32px;
  font-size: 1rem;
}
/* -----------------------
   Responsividade Moderna
   ----------------------- */

/* Tablet */
@media (max-width: 992px) {
  :root {
    --section-spacing: 80px;
    --header-height: 72px;
  }
  
  .hero {
    padding: calc(var(--header-height) + 60px) 0 60px;
  }
  .btn {
    width: 70%;
  }
  .quote-form-container{
    width: 100%;
  }
  .quote-info{
    width: 100%;
  }
  .quote-wrapper {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }
  .form-card-icon {
    display: none;
  }
  .services-grid,
  .portfolio-grid,
  .testimonials-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
  .service-card {
    text-align: center;
  }
  .service-icon {
    display: none;
  }
  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    gap: var(--space-6);
  }
}

/* Mobile */
@media (max-width: 768px) {
  :root {
    --header-height: 68px;
  }
  
  .navbar {
    top: var(--space-2);
    width: calc(100% - var(--space-4));
  }
  
  .navbar-toggler {
    display: flex;
  }
  
  .navbar-menu {
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: calc(var(--header-height) + 40px) var(--space-5) var(--space-5);
    transform: translateX(100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1001;
    max-height: 100vh;
    overflow-y: auto;
  }
  .btn {
    width: 100%;
  }
  .navbar-menu.active {
    transform: translateX(0);
    opacity: 1;
    visibility: visible;
  }
  
  .navbar-menu .nav-link {
    display: block;
    width: 100%;
    text-align: center;
    font-size: 1.125rem;
    border-radius: var(--radius-lg);
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .hero-stats {
    gap: var(--space-6);
  }
  
  .services-grid,
  .portfolio-grid,
  .process-steps,
  .testimonials-grid {
    grid-template-columns: 1fr;
  }
  
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .cta-buttons .btn {
    width: 100%;
    max-width: 300px;
  }
  
  .service-footer {
    flex-direction: column;
    align-items: center;
    gap: var(--space-4);
  }
  
  .service-card.featured::before {
    right: 50%;
    transform: translateX(50%);
    top: -12px;
    font-size: 0.7rem;
  }
  
  /* Portfolio Filters Mobile */
  .portfolio-filters {
    gap: var(--space-2);
  }
  
  .filter-btn {
    padding: var(--space-2) var(--space-3);
    font-size: 0.8rem;
  }
  .quote-form-container{
    width: 100%;
    margin: 0;
  }
  .quote-info{
    width: 100%;
    margin: 0;
  }
}

/* Mobile pequeno */
@media (max-width: 576px) {
  .hero-title {
    font-size: 2rem;
  }
  .btn {
    width: 100%;
  }
  .hero-subtitle,
  .section-subtitle,
  .lead-text {
    font-size: 1rem;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .service-icon {
    width: 56px;
    height: 56px;
    font-size: 1.5rem;
  }
  
  .portfolio-image-container {
    height: 220px;
  }
  
  .back-to-top {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 48px;
    height: 48px;
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  .quote-wrapper {
    align-items: center;
    justify-content: center;
  }
  .quote-form-container{
    width: 100%;
    margin: 0;
    
    align-items: center;
  }
  .quote-info{
    width: 100%;
    margin: 0;
  }
  .stat-number {
    font-size: 2rem;
  }
  
  /* Portfolio Filters Mobile Pequeno */
  .portfolio-filters {
    flex-direction: column;
    align-items: center;
  }
  
  .filter-btn {
    width: 100%;
    max-width: 200px;
  }
  /* .footer {
    padding: var(--space-6) 0 var(--space-4);
    margin: 0 var(--space-5);
  } */
}

/* -----------------------
   Utilidades Modernas
   ----------------------- */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.text-center { text-align: center; }
.w-100 { width: 100%; }
.mb-0 { margin-bottom: 0 !important; }

/* Grid utilities */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-5); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }

@media (max-width: 768px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* Loading animation */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.animate-spin {
  animation: spin 1s linear infinite;
}

/* -----------------------
   Form Status
   ----------------------- */
.form-status {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-5);
  display: none;
}

.form-status.show {
  display: block;
}

.form-status.success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.form-status.error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.form-status.info {
  background: #dbeafe;
  color: #1e40af;
  border: 1px solid #bfdbfe;
}

/* -----------------------
   Portfolio Specific Styles (Novo)
   ----------------------- */
.portfolio-hidden {
  display: none;
}

.portfolio-visible {
  display: block;
  animation: fadeIn 0.5s ease-out;
}

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