:root {
  /* Paleta de Cores Exclusiva - Verde Estratégico + Laranja Insight */
  --primary-dark: #1a4d2e;
  --primary: #2d7a4f;
  --primary-mid: #3a9b63;
  --primary-light: #4fb477;
  --primary-pale: #e8f5ec;
  
  --accent: #ff9500;
  --accent-light: #ffb340;
  --accent-pale: #fff4e6;
  
  --neutral-900: #1a1f1c;
  --neutral-700: #3d4640;
  --neutral-500: #5a7a64;
  --neutral-300: #9fb3a4;
  --neutral-100: #e5ede8;
  --neutral-50: #fafbf9;
  
  --bg-primary: #ffffff;
  --bg-secondary: #fafbf9;
  --bg-accent: #f4f8f5;
  
  /* Tipografia - System Stack profissional */
  --font-primary: system-ui, -apple-system, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-display: 'Georgia', 'Times New Roman', serif;
  
  /* Espaçamentos */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  
  /* Transições */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Sombras */
  --shadow-sm: 0 2px 8px rgba(26, 77, 46, 0.08);
  --shadow-md: 0 4px 16px rgba(26, 77, 46, 0.12);
  --shadow-lg: 0 8px 32px rgba(26, 77, 46, 0.16);
}

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

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

body {
  font-family: var(--font-primary);
  line-height: 1.7;
  color: var(--neutral-700);
  background-color: var(--bg-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--primary-dark);
  line-height: 1.2;
  font-weight: 700;
  margin-bottom: var(--space-md);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.75rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
h5 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
h6 { font-size: clamp(1rem, 1.5vw, 1.2rem); }

p {
  margin-bottom: var(--space-md);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
}

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

a:hover {
  color: var(--accent);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--neutral-100);
  box-shadow: var(--shadow-sm);
}

.header-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-sm) var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  height: 50px;
  transition: transform var(--transition-normal);
}

.logo:hover {
  transform: scale(1.05);
}

.nav {
  display: flex;
  gap: var(--space-lg);
  align-items: center;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--neutral-700);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 6px;
  transition: all var(--transition-fast);
  position: relative;
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: var(--space-sm);
  right: var(--space-sm);
  height: 2px;
  background-color: var(--accent);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

.menu-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background-color: var(--primary-dark);
  margin: 5px 0;
  transition: all var(--transition-normal);
}

/* Container e Layout */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-narrow {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-2xl) 0;
}

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

.section-accent {
  background-color: var(--bg-accent);
  position: relative;
  overflow: hidden;
}

.section-accent::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('../assets/pattern.svg');
  background-repeat: repeat;
  opacity: 0.4;
  pointer-events: none;
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }

/* Cards */
.card {
  background-color: var(--bg-primary);
  border-radius: 12px;
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid var(--neutral-100);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.card-header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 2px solid var(--primary-pale);
}

.card-title {
  font-size: 1.4rem;
  color: var(--primary-dark);
  margin-bottom: var(--space-xs);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
  font-size: 1.5rem;
  color: white;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background-color: var(--accent);
  color: white;
  border-color: var(--accent);
}

.btn-accent:hover {
  background-color: #e68900;
  border-color: #e68900;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

/* Hero Section */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--primary-pale) 100%);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background-image: url('../assets/hero.svg');
  background-size: cover;
  background-position: center;
  opacity: 0.6;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 700px;
  padding: var(--space-2xl) 0;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  color: var(--accent);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1.1;
  margin-bottom: var(--space-md);
  color: var(--primary-dark);
}

.hero-description {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  color: var(--neutral-700);
  margin-bottom: var(--space-xl);
  line-height: 1.6;
}

/* Section Headers */
.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--space-xl);
}

.section-label {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
  background-color: var(--accent-pale);
  padding: var(--space-xs) var(--space-md);
  border-radius: 20px;
  margin-bottom: var(--space-md);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-md);
}

.section-description {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: var(--neutral-500);
}

/* Lists */
.list-checked {
  list-style: none;
  padding: 0;
}

.list-checked li {
  padding: var(--space-sm) 0;
  padding-left: var(--space-lg);
  position: relative;
  font-size: 1.05rem;
}

.list-checked li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
  font-size: 1.2rem;
}

/* Tables */
.table-wrapper {
  overflow-x: auto;
  margin: var(--space-lg) 0;
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: var(--bg-primary);
}

thead {
  background-color: var(--primary);
  color: white;
}

th, td {
  padding: var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--neutral-100);
}

th {
  font-weight: 600;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

tbody tr:hover {
  background-color: var(--primary-pale);
}

/* FAQ */
.faq-item {
  background-color: var(--bg-primary);
  border-radius: 8px;
  margin-bottom: var(--space-md);
  overflow: hidden;
  border: 1px solid var(--neutral-100);
}

.faq-question {
  padding: var(--space-md) var(--space-lg);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--primary-dark);
  transition: all var(--transition-fast);
  user-select: none;
}

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

.faq-toggle {
  font-size: 1.5rem;
  color: var(--accent);
  transition: transform var(--transition-normal);
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
  padding: 0 var(--space-lg);
}

.faq-item.active .faq-answer {
  max-height: 1000px;
  padding: var(--space-md) var(--space-lg) var(--space-lg);
}

/* Form */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-xs);
  font-size: 0.95rem;
}

.form-control {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  border: 2px solid var(--neutral-100);
  border-radius: 8px;
  font-family: var(--font-primary);
  font-size: 1rem;
  transition: all var(--transition-fast);
  background-color: var(--bg-primary);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-pale);
}

.form-control.error {
  border-color: #dc2626;
}

.form-error {
  color: #dc2626;
  font-size: 0.875rem;
  margin-top: var(--space-xs);
  display: none;
}

.form-error.active {
  display: block;
}

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

.form-success {
  background-color: #d4edda;
  border: 1px solid #c3e6cb;
  color: #155724;
  padding: var(--space-md);
  border-radius: 8px;
  margin-bottom: var(--space-md);
  display: none;
}

.form-success.active {
  display: block;
}

/* Footer */
.footer {
  background-color: var(--primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: var(--space-xl) 0 var(--space-md);
}

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

.footer-section h4 {
  color: white;
  font-size: 1.1rem;
  margin-bottom: var(--space-md);
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.95rem;
  line-height: 1.8;
}

.footer-section a:hover {
  color: var(--accent-light);
}

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

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-md);
  text-align: center;
}

.footer-legal {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.6;
  margin-top: var(--space-sm);
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeInUp {
  animation: fadeInUp 0.8s ease forwards;
}

.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }

/* Utilities */
.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* Responsive */
@media (max-width: 768px) {
  :root {
    --space-lg: 1.5rem;
    --space-xl: 2.5rem;
    --space-2xl: 3.5rem;
  }
  
  .header-container {
    padding: var(--space-sm) var(--space-md);
  }
  
  .nav {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: white;
    flex-direction: column;
    gap: 0;
    padding: var(--space-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: transform var(--transition-normal);
    border-bottom: 3px solid var(--primary);
  }
  
  .nav.active {
    transform: translateY(0);
  }
  
  .nav-link {
    width: 100%;
    padding: var(--space-md);
    border-bottom: 1px solid var(--neutral-100);
  }
  
  .menu-toggle {
    display: block;
  }
  
  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
  }
  
  .hero::before {
    width: 100%;
    opacity: 0.3;
  }
  
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .container,
  .container-narrow {
    padding: 0 var(--space-md);
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
}