/* ============================================================================
   AGROEXITUS EDUCAÇÃO CORPORATIVA - SISTEMA DE DESIGN
   Contabilidade Estratégica & Consultoria Empresarial
   ============================================================================ */

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

:root {
  /* Paleta Verde Institucional - Crescimento, Organização, Confiança */
  --primary-dark: #1a4d2e;
  --primary-base: #2d6a4f;
  --primary-medium: #40916c;
  --primary-light: #52b788;
  --primary-bright: #74c69d;
  --primary-pale: #95d5b2;
  --primary-soft: #b7e4c7;
  --primary-lighter: #d8f3dc;
  --background-cream: #f7fef9;
  
  /* Cinzas Neutros */
  --gray-900: #1a1a1a;
  --gray-800: #2a2a2a;
  --gray-700: #404040;
  --gray-600: #5a5a5a;
  --gray-500: #737373;
  --gray-400: #a3a3a3;
  --gray-300: #d4d4d4;
  --gray-200: #e5e5e5;
  --gray-100: #f5f5f5;
  
  /* Semântica */
  --alert-warning: #f59e0b;
  --alert-danger: #dc2626;
  --alert-success: var(--primary-light);
  
  /* Tipografia */
  --font-display: 'Georgia', 'Times New Roman', serif;
  --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Courier New', monospace;
  
  /* Espacamentos */
  --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-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  
  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(26, 77, 46, 0.08);
  --shadow-md: 0 4px 12px rgba(26, 77, 46, 0.1);
  --shadow-lg: 0 8px 24px rgba(26, 77, 46, 0.12);
  --shadow-xl: 0 16px 48px rgba(26, 77, 46, 0.15);
}

/* === TIPOGRAFIA === */
html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.75;
  color: var(--gray-800);
  background: var(--background-cream);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  line-height: 1.3;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-lg);
}

h2 {
  font-size: clamp(1.875rem, 4vw, 2.75rem);
  letter-spacing: -0.015em;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.01em;
}

h4 {
  font-size: 1.375rem;
  font-family: var(--font-body);
  font-weight: 600;
}

p {
  margin-bottom: var(--space-md);
}

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

em {
  font-style: italic;
  color: var(--primary-medium);
}

/* === LAYOUT CONTAINERS === */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-wide {
  max-width: 1400px;
}

.container-narrow {
  max-width: 900px;
}

/* === HEADER & NAVEGAÇÃO === */
.site-header {
  position: sticky;
  top: 0;
  background: rgba(247, 254, 249, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--primary-lighter);
  z-index: 1000;
  transition: all var(--transition-base);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  background: rgba(247, 254, 249, 0.98);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-md) 0;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: var(--space-sm);
  transition: transform var(--transition-base);
}

.logo:hover {
  transform: translateX(4px);
}

.logo img {
  height: 50px;
  width: auto;
}

.main-nav ul {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.main-nav a {
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9375rem;
  letter-spacing: 0.01em;
  padding: var(--space-xs) 0;
  position: relative;
  transition: color var(--transition-fast);
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-light);
  transition: width var(--transition-base);
}

.main-nav a:hover {
  color: var(--primary-light);
}

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

/* === SEÇÕES === */
section {
  padding: var(--space-2xl) 0;
  position: relative;
}

section:nth-child(even) {
  background: white;
}

section:nth-child(odd) {
  background: var(--background-cream);
}

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

.section-label {
  display: inline-block;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--primary-light);
  margin-bottom: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: var(--primary-lighter);
  border-radius: 100px;
}

.section-intro {
  font-size: 1.125rem;
  color: var(--gray-600);
  line-height: 1.8;
}

/* === HERO CONCEITUAL === */
.hero-section {
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--background-cream) 0%, var(--primary-lighter) 100%);
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: url('../images/hero.svg') no-repeat center right;
  background-size: contain;
  opacity: 0.6;
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 650px;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  line-height: 1.15;
  margin-bottom: var(--space-lg);
  color: var(--primary-dark);
}

.hero-content .lead {
  font-size: 1.25rem;
  line-height: 1.7;
  color: var(--gray-700);
  margin-bottom: var(--space-xl);
}

.hero-content .emphasis {
  color: var(--primary-base);
  font-weight: 600;
}

/* === CARDS & BOXES === */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

.card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  padding: var(--space-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(to bottom, var(--primary-light), var(--primary-base));
  transition: height var(--transition-slow);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-lighter);
}

.card:hover::before {
  height: 100%;
}

.card-icon {
  width: 56px;
  height: 56px;
  background: var(--primary-lighter);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--primary-base);
  margin-bottom: var(--space-md);
}

.card h3 {
  font-size: 1.375rem;
  margin-bottom: var(--space-sm);
}

.card p {
  color: var(--gray-600);
  line-height: 1.7;
}

/* === CONTENT BLOCKS === */
.content-block {
  background: white;
  border-radius: 16px;
  padding: var(--space-xl);
  margin: var(--space-xl) 0;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}

.content-block h3 {
  border-bottom: 2px solid var(--primary-lighter);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-lg);
}

/* === LISTAS ESTILIZADAS === */
.styled-list {
  list-style: none;
  padding: 0;
}

.styled-list li {
  padding-left: var(--space-lg);
  margin-bottom: var(--space-md);
  position: relative;
  line-height: 1.7;
}

.styled-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--primary-light);
  font-weight: bold;
  font-size: 1.25rem;
}

/* === TABELAS === */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin: var(--space-lg) 0;
}

.data-table thead {
  background: linear-gradient(135deg, var(--primary-base), var(--primary-medium));
}

.data-table th {
  padding: var(--space-md) var(--space-lg);
  text-align: left;
  font-weight: 600;
  color: white;
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
}

.data-table td {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-700);
}

.data-table tbody tr:hover {
  background: var(--primary-lighter);
  transition: background var(--transition-fast);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

/* === FAQ ACCORDION === */
.faq-container {
  max-width: 900px;
  margin: var(--space-xl) auto;
}

.faq-item {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  margin-bottom: var(--space-md);
  overflow: hidden;
  transition: all var(--transition-base);
}

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

.faq-question {
  width: 100%;
  padding: var(--space-lg);
  background: none;
  border: none;
  text-align: left;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary-dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--transition-fast);
  font-family: var(--font-body);
}

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

.faq-icon {
  font-size: 1.5rem;
  color: var(--primary-light);
  transition: transform var(--transition-base);
  flex-shrink: 0;
  margin-left: var(--space-md);
}

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

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

.faq-item.active .faq-answer {
  max-height: 1000px;
  padding: 0 var(--space-lg) var(--space-lg);
}

.faq-answer p {
  color: var(--gray-600);
  line-height: 1.8;
  margin-bottom: var(--space-sm);
}

/* === FORMULÁRIO DE CONTATO === */
.contact-form-wrapper {
  max-width: 700px;
  margin: var(--space-xl) auto;
  background: white;
  border-radius: 16px;
  padding: var(--space-xl);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--primary-lighter);
}

.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--primary-dark);
  margin-bottom: var(--space-xs);
  font-size: 0.9375rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-md);
  border: 2px solid var(--gray-300);
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--gray-800);
  background: white;
  transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(82, 183, 136, 0.1);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

.form-button {
  width: 100%;
  padding: var(--space-md) var(--space-lg);
  background: linear-gradient(135deg, var(--primary-base), var(--primary-light));
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1.0625rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
  letter-spacing: 0.02em;
}

.form-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.form-button:active {
  transform: translateY(0);
}

.form-success {
  display: none;
  padding: var(--space-lg);
  background: var(--primary-lighter);
  border: 2px solid var(--primary-light);
  border-radius: 8px;
  color: var(--primary-dark);
  text-align: center;
  margin-top: var(--space-md);
}

.form-success.show {
  display: block;
  animation: slideDown 0.5s ease;
}

/* === BADGES & TAGS === */
.badge {
  display: inline-block;
  padding: var(--space-xs) var(--space-md);
  background: var(--primary-lighter);
  color: var(--primary-dark);
  border-radius: 100px;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.badge-success {
  background: var(--primary-light);
  color: white;
}

.badge-warning {
  background: var(--alert-warning);
  color: white;
}

/* === RODAPÉ === */
.site-footer {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-base));
  color: rgba(255, 255, 255, 0.9);
  padding: var(--space-xl) 0 var(--space-lg);
  margin-top: var(--space-2xl);
}

.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: 1.125rem;
  margin-bottom: var(--space-md);
  font-family: var(--font-body);
}

.footer-section p,
.footer-section li {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  font-size: 0.9375rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-section a:hover {
  color: var(--primary-bright);
}

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

.footer-section li {
  margin-bottom: var(--space-sm);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--space-lg);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.5;
}

.footer-legal {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-top: var(--space-sm);
}

.footer-legal a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-legal a:hover {
  color: var(--primary-bright);
}

/* === ANIMAÇÕES === */
@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 1s ease;
}

/* === RESPONSIVIDADE === */
@media (max-width: 768px) {
  :root {
    --space-xl: 3rem;
    --space-2xl: 4rem;
  }
  
  .header-content {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .main-nav ul {
    flex-direction: column;
    gap: var(--space-sm);
    text-align: center;
  }
  
  .hero-section {
    min-height: auto;
    padding: var(--space-xl) 0;
  }
  
  .hero-section::before {
    opacity: 0.3;
    width: 100%;
  }
  
  .card-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 15px;
  }
  
  .container {
    padding: 0 var(--space-sm);
  }
  
  .contact-form-wrapper {
    padding: var(--space-lg);
  }
}

/* === UTILIDADES === */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mb-sm { margin-bottom: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mb-md { margin-bottom: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-xl { margin-bottom: var(--space-xl); }