/* =========================================
   VARIÁVEIS GLOBAIS (Custom Properties)
   ========================================= */
:root {
  /* Paleta de Cores Base (Tons de Azul) */
  --primary-color: #0F3B73; /* Azul profundo e profissional */
  --secondary-color: #1A5FA6; /* Azul intermediário */
  --light-blue: #E8F0F8; /* Azul bem claro para backgrounds */
  
  /* Cores de Destaque (CTA) */
  --cta-color: #FF7000; /* Laranja vibrante para máximo contraste e conversão */
  --cta-hover: #E66500;
  --whatsapp-color: #25D366; /* Verde padrão do WhatsApp */
  --whatsapp-hover: #1EBE5D;

  /* Escala de Cinza e Textos */
  --text-dark: #1F2937; /* Quase preto para títulos */
  --text-body: #4B5563; /* Cinza chumbo para leitura agradável */
  --bg-white: #FFFFFF;
  --bg-light: #F9FAFB; /* Cinza muito claro para seções alternadas */
  --border-color: #E5E7EB;

  /* Tipografia */
  --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Sombras (Soft Shadows) */
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 25px rgba(15, 59, 115, 0.15); /* Sombra com tom de azul */

  /* Espaçamentos e Bordas */
  --border-radius: 8px;
  --border-radius-lg: 16px;
  --section-padding: 5rem 0;
  
  /* Transições */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* =========================================
   RESET BÁSICO
   ========================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.2;
}

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

ul {
  list-style: none;
}

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

/* =========================================
   UTILITÁRIOS E LAYOUT
   ========================================= */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: var(--section-padding);
}

.section-bg-light {
  background-color: var(--bg-light);
}

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

.section-header {
  margin-bottom: 3.5rem;
}

.section-title {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  position: relative;
  display: inline-block;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 2px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-body);
  max-width: 600px;
  margin: 0 auto;
}

/* Botões */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.8rem 1.8rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  font-family: var(--font-primary);
  font-size: 1rem;
}

.btn-cta {
  background-color: var(--cta-color);
  color: #FFF;
  box-shadow: 0 4px 14px rgba(255, 112, 0, 0.3);
}

.btn-cta:hover {
  background-color: var(--cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 112, 0, 0.4);
}

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

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

/* =========================================
   HEADER & NAVEGAÇÃO
   ========================================= */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo-link {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 50px;
  /* Se não houver logo em imagem, usamos o texto como fallback no HTML */
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
  letter-spacing: -0.5px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-weight: 500;
  color: var(--text-dark);
  font-size: 0.95rem;
}

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

.hamburger {
  display: none;
  cursor: pointer;
  background: none;
  border: none;
  padding: 0.5rem;
}

.hamburger-line {
  display: block;
  width: 25px;
  height: 3px;
  margin: 5px auto;
  background-color: var(--text-dark);
  transition: all 0.3s ease-in-out;
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
  padding: 8rem 0 5rem 0;
  background: linear-gradient(135deg, var(--light-blue) 0%, #FFFFFF 100%);
  min-height: 90vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* Padrão geométrico sutil ao fundo */
.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: -10%;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle, var(--secondary-color) 0%, transparent 70%);
  opacity: 0.05;
  z-index: 0;
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background-color: rgba(26, 95, 166, 0.1);
  color: var(--primary-color);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.hero-title span {
  color: var(--primary-color);
}

.hero-description {
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.hero-image {
  position: relative;
}

.hero-image img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

/* =========================================
   SERVIÇOS
   ========================================= */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-card {
  background: var(--bg-white);
  padding: 2.5rem 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  border: 1px solid var(--border-color);
  text-align: center;
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--light-blue);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.5rem auto;
  background-color: var(--light-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
}

.service-icon svg {
  width: 32px;
  height: 32px;
}

.service-title {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.service-desc {
  font-size: 0.95rem;
}

/* =========================================
   SOBRE NÓS
   ========================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

/* Detalhe decorativo na imagem do sobre */
.about-image::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: -20px;
  width: 150px;
  height: 150px;
  background-color: var(--primary-color);
  border-radius: var(--border-radius-lg);
  z-index: -1;
  opacity: 0.1;
}

.about-content h3 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.about-content p {
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}

.about-stats {
  display: flex;
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.stat-item h4 {
  font-size: 2.5rem;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-item p {
  font-size: 0.9rem;
  margin: 0;
  font-weight: 500;
}

/* =========================================
   CONTATO
   ========================================= */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.info-icon {
  width: 48px;
  height: 48px;
  background-color: var(--light-blue);
  color: var(--primary-color);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.info-content h4 {
  margin-bottom: 0.3rem;
}

.contact-form {
  background: var(--bg-white);
  padding: 3rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-dark);
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(15, 59, 115, 0.1);
}

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

/* =========================================
   FOOTER
   ========================================= */
.footer {
  background-color: var(--primary-color);
  color: rgba(255, 255, 255, 0.8);
  padding: 4rem 0 2rem 0;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: #FFF;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: rgba(255, 255, 255, 0.1);
  color: #FFF;
  border-radius: 50%;
  transition: all var(--transition-fast);
}

.social-link:hover {
  background-color: var(--cta-color);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  font-size: 0.9rem;
}

/* =========================================
   WHATSAPP FLOAT
   ========================================= */
.whatsapp-float {
  position: fixed;
  bottom: 30px;
  right: 30px;
  background-color: var(--whatsapp-color);
  color: #FFF;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  box-shadow: var(--shadow-md);
  z-index: 100;
  transition: all var(--transition-normal);
}

.whatsapp-float:hover {
  background-color: var(--whatsapp-hover);
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
  color: #FFF;
}

/* =========================================
   ANIMAÇÕES (Fade-in on scroll)
   ========================================= */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* =========================================
   RESPONSIVIDADE (Mobile-First approach adaptado)
   ========================================= */
@media (max-width: 992px) {
  .hero-container, .about-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .hero-content {
    text-align: center;
    margin: 0 auto;
  }
  
  .hero-buttons {
    justify-content: center;
  }

  .hero-title {
    font-size: 2.8rem;
  }

  .about-image {
    order: -1;
  }
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    flex-direction: column;
    background-color: #FFF;
    width: 100%;
    height: calc(100vh - 80px);
    text-align: center;
    transition: 0.3s;
    padding-top: 2rem;
    box-shadow: var(--shadow-md);
  }

  .nav-menu.active {
    left: 0;
  }

  .nav-item {
    margin: 1.5rem 0;
  }

  .hero {
    padding-top: 10rem;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .contact-form {
    padding: 2rem 1.5rem;
  }
}