:root {
  --primary: #2563eb;
  --primary-light: #93c5fd;
  --primary-dark: #1e40af;
  --gray-100: #f3f4f6;
  --gray-800: #1f2937;
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--gray-800);
  line-height: 1.6;
  overflow-x: hidden;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #3b82f6;
    --text-dark: #111827;
    --text-medium: #374151;
    --text-light: #6b7280;
    --bg-light: #f3f4f6;
    --transition-base: 0.3s ease;
  
    --primary-blue: #2563eb;
    --primary-blue-hover: #1d4ed8;
    --primary-blue-active: #1e40af;
    --whatsapp-green: #25d366;
    --whatsapp-green-hover: #128c7e;
    --text-dark: #111827;
    --text-medium: #374151;
    --text-light: #6b7280;
    --bg-light: #f8fafc;
    --bg-dark: #000000;
    --bg-contact-item: rgba(255, 255, 255, 0.05);
    
    /* Espaçamentos */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-xxl: 4rem;
    
    /* Bordas */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-full: 9999px;
    
    /* Sombras */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    
    /* Transições */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
  }
  
  /* Header - Aprimorado com variáveis e transições */
  .header {
    --header-height: 64px;
    --shadow-color: rgba(0, 0, 0, 0.1);
    
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background-color: white;
    box-shadow: 0 2px 10px var(--shadow-color);
    transition: box-shadow 0.3s ease;
  }
  
  .nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
    height: var(--header-height);
    max-width: 1200px;
    margin: 0 auto;
  }
  
  /* Logo - Com efeito hover suave */
  .logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform 0.2s ease;
  }
  
  .logo:hover {
    transform: translateY(-2px);
  }
  
  .logo-img {
    height: 55px;
    width: auto;
    transition: transform 0.3s ease;
  }
  
  .logo-text {
    font-size: 1.5rem;
    font-weight: bold;
    color: #2563eb;
    margin-left: 0.5rem;
  }
  
  /* Menu Desktop - Aprimorado */
  .menu-desktop {
    display: none;
  }
  
  @media (min-width: 768px) {
    .menu-desktop {
      display: flex;
      align-items: center;
      gap: 1.5rem;
    }
  }
  
  .menu-item {
    position: relative;
  }
  
  .menu-button {
    display: flex;
    align-items: center;
    background: none;
    border: none;
    color: #000000;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    padding: 0.75rem 1.25rem;
    transition: all 0.3s ease;
    text-decoration: none;
    border-radius: 0.25rem;
  }
  
  .menu-button:hover {
    color: #2563eb;
    transform: translateY(-2px);
    background-color: rgba(37, 99, 235, 0.05);
  }
  
  .submenu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    border-radius: 0.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: none;
    z-index: 50;
    min-width: 200px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.3s ease, transform 0.3s ease;
  }
  
  .menu-item:hover .submenu {
    display: block;
    opacity: 1;
    transform: translateY(0);
  }
  
  .submenu-item {
    display: block;
    padding: 0.75rem 1.5rem;
    color: #374151;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
  }
  
  .submenu-item:hover {
    color: #2563eb;
    background-color: #f8fafc;
    border-left-color: #2563eb;
    padding-left: 1.75rem;
  }
  
  /* Menu Mobile - Aprimorado */
  .menu-mobile-button {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.75rem;
    color: #000000;
    transition: transform 0.2s ease;
  }
  
  .menu-mobile-button:hover {
    transform: scale(1.1);
  }
  
  @media (min-width: 768px) {
    .menu-mobile-button {
      display: none;
    }
  }
  
  .menu-mobile {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: white;
    padding: 1.5rem;
    overflow-y: auto;
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 999;
  }
  
  .menu-mobile.open {
    transform: translateX(0);
  }
  
  .menu-mobile-item {
    margin-bottom: 1.5rem;
    border-bottom: 1px solid #e5e7eb;
  }
  
  .menu-mobile-link {
    display: block;
    padding: 1rem;
    color: #374151;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
  }
  
  .menu-mobile-link:hover {
    color: #2563eb;
  }
  
  .menu-mobile-link.button {
    background-color: #2563eb;
    color: white;
    border-radius: 0.5rem;
    text-align: center;
    margin-top: 1rem;
    transition: background-color 0.3s ease, transform 0.2s ease;
  }
  
  .menu-mobile-link.button:hover {
    background-color: #1d4ed8;
    transform: translateY(-2px);
  }
  
  .submenu-mobile {
    display: none;
    padding-left: 1rem;
    animation: fadeIn 0.3s ease;
  }
  
  .submenu-mobile.open {
    display: block;
  }
  
  @keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
  }  

/* Hero Section - Aprimorado */
.hero-section {
  position: relative;
  height: 100vh;
  min-height: 600px;
  max-height: 1200px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: white;
  padding: 2rem;
  max-width: 800px;
  animation: fadeInUp 1s ease-out;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.hero-content p {
  font-size: clamp(1rem, 2vw, 1.5rem);
  margin-bottom: 2.5rem;
  font-weight: 300;
}

.hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 0;
  will-change: transform;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2rem;
  background-color: var(--primary);
  color: white;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  border: 2px solid transparent;
}

.cta-button:hover {
  background-color: transparent;
  border-color: white;
  transform: translateY(-3px);
}

/* Main Content - Otimizado */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
  padding-top: 5rem;
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  margin-bottom: 1.5rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.section-header p {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  max-width: 800px;
  margin: 0 auto;
  color: var(--gray-800);
}

/* Feature Cards - Aprimorado */
.features-container {
  display: grid;
  gap: 5rem;
  margin-bottom: 6rem;
}

.feature {
  display: flex;
  flex-direction: column;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 992px) {
  .feature {
    flex-direction: row;
    gap: 4rem;
  }
  
  .feature.reversed {
    flex-direction: row-reverse;
  }
}

.feature-visual, .feature-content {
  flex: 1;
  width: 100%;
}

.feature-visual {
  position: relative;
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateX(-5%);
  transition: var(--transition);
}

.feature.reversed .feature-visual {
  transform: translateX(5%);
}

.feature-visual.animate {
  opacity: 1;
  transform: translateX(0);
}

.feature-image {
  width: 100%;
  height: 350px;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.feature-image:hover {
  transform: scale(1.03);
}

.feature-icon-placeholder {
  background-color: var(--primary-light);
  width: 100%;
  height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon {
  color: var(--primary);
  width: 4rem;
  height: 4rem;
}

.feature-title-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(to top, rgba(30, 64, 175, 0.9), transparent);
  padding: 2rem;
  color: white;
  transition: var(--transition);
}

.feature-title-overlay h3 {
  font-size: 1.5rem;
  font-weight: 600;
}

.feature-content {
  background: white;
  padding: 2.5rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateX(5%);
  transition: var(--transition);
  transition-delay: 0.1s;
}

.feature.reversed .feature-content {
  transform: translateX(-5%);
}

.feature-content.animate {
  opacity: 1;
  transform: translateX(0);
}

.feature-content-icon {
  display: inline-flex;
  padding: 1rem;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.feature-content h3 {
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
  color: var(--primary-dark);
}

.feature-content p {
  color: var(--gray-800);
  line-height: 1.8;
  font-size: 1.1rem;
}

/* Botão Saiba Mais */
.feature-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.5rem;
  padding: 0.75rem 1.5rem;
  background-color: var(--primary);
  color: white;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
}

.feature-button:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.feature-button i {
  transition: transform 0.2s ease;
}

.feature-button:hover i {
  transform: translateX(3px);
}

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

/* Responsividade */
@media (max-width: 768px) {
  .hero-section {
    height: 80vh;
    min-height: 500px;
  }
  
  .feature-content {
    padding: 1.5rem;
  }
  
  .feature-image, .feature-icon-placeholder {
    height: 280px;
  }
}

 /* Seção de Contato */
 .contact-section {
  padding: var(--space-xxl) 0;
  background-color: var(--bg-dark);
  color: white;
  text-align: center;
}

.contact-section h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: var(--space-xxl);
  position: relative;
}

.contact-section h2::after {
  content: '';
  position: absolute;
  width: 100px;
  height: 4px;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(90deg, #3498db, #2563eb);
  border-radius: 2px;
}

.contact-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.contact-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-lg);
  background-color: var(--bg-contact-item);
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.contact-item:hover {
  transform: translateY(-5px);
  background-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.contact-icon {
  font-size: 2rem;
  color: var(--primary-blue);
  margin-bottom: var(--space-xs);
}

.contact-item h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin: 0;
  color: white;
}

.contact-item p {
  font-size: 1rem;
  line-height: 1.6;
  color: #d1d5db;
  margin: 0;
  text-align: center;
}

.contact-link {
  color: #93c5fd;
  text-decoration: none;
  transition: all var(--transition-fast);
  display: inline-block;
  padding: 2px 4px;
  border-radius: var(--radius-sm);
  position: relative;
}

.contact-link::after {
  content: '';
  position: absolute;
  width: 0;
  height: 1px;
  bottom: 0;
  left: 0;
  background-color: var(--primary-blue);
  transition: width var(--transition-fast);
}

.contact-link:hover {
  color: var(--primary-blue);
}

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

/* Efeito especial para links de telefone */
a[href^="tel:"] {
  font-weight: 500;
}

/* Estilos para o footer */
.site-footer {
  background-color: var(--bg-dark);
  padding: var(--space-md) 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.footer-bottom p {
  color: #d1d5db;
  font-size: 0.9rem;
  margin: 0;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.footer-bottom p:hover {
  opacity: 1;
}

/* Media query para responsividade */
@media (max-width: 768px) {
  .footer-bottom p {
    font-size: 0.8rem;
  }
}

/* Responsividade para telas pequenas */
@media (max-width: 600px) {
  .contact-info {
    grid-template-columns: 1fr;
  }
  
  .contact-item {
    padding: var(--space-md);
  }
}

/* Botão do WhatsApp - Aprimorado */
.whatsapp-button {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  background-color: var(--whatsapp-green);
  border-radius: var(--radius-full);
  padding: var(--space-sm);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  transition: all var(--transition-normal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.whatsapp-button:hover {
  background-color: var(--whatsapp-green-hover);
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

.whatsapp-button img {
  width: 30px;
  height: 30px;
}

.service-card, .technology-card, .products-card {
  transform: translateZ(0);
  backface-visibility: hidden;
}

  /* Responsividade Adicional */
@media (max-width: 640px) {
    .contact-info {
      grid-template-columns: 1fr;
    }
    
    .text-4xl {
      font-size: 1.875rem;
    }
}