/* ==========================================================================
   DESIGN SYSTEM - PRODUTOR RURAL
   Estética: Agrimensura Premium + Tecnologia + Campo + Confiança
   Paleta: 70% Neutros | 20% Verdes Profundos | 10% Destaques Dourados
   ========================================================================== */

:root {
  /* --- PALETA DE CORES --- */
  /* Neutros (70%) */
  --color-bg-main: #FAF8F5;          /* Off-white quente / pergaminho claro */
  --color-bg-card: #FFFFFF;          /* Branco puro para cartões */
  --color-bg-subtle: #F3EFEA;        /* Areia suave para seções alternadas */
  --color-bg-dark: #121815;          /* Grafite profundo / quase preto natural */
  --color-bg-dark-card: #1B2320;     /* Grafite verde escuro para cards escuros */
  
  --color-text-main: #1C2320;        /* Grafite escuro para leitura confortável */
  --color-text-muted: #5C6761;       /* Cinza esverdeado para textos de apoio */
  --color-text-light: #F4F6F4;       /* Texto claro em fundos escuros */
  --color-text-light-muted: #A3B1A9; /* Texto secundário em fundos escuros */
  
  --color-border: #E5E0D6;           /* Borda sutil em tons areia */
  --color-border-dark: #2A3631;      /* Borda sutil para modo escuro */

  /* Verdes da Terra e Agrimensura (20%) */
  --color-primary: #153327;          /* Verde floresta profundo / clássico */
  --color-primary-light: #1F4535;    /* Verde floresta médio */
  --color-olive: #4E6342;            /* Verde oliva topográfico */
  --color-olive-light: #E9EFE6;      /* Fundo suave verde oliva */
  
  /* Destaques e Acentos (10%) */
  --color-accent: #C59A4E;           /* Dourado agrimensura / latão técnico */
  --color-accent-hover: #AF8439;     /* Dourado escurecido para hover */
  --color-accent-light: #FBF4E8;     /* Fundo dourado suave para badges */
  --color-warning: #C85A32;          /* Terracota para alertas técnicos */
  --color-warning-light: #FBEFEA;    /* Fundo suave terracota */
  --color-success: #2A734C;          /* Verde técnico positivo */
  --color-success-light: #EBF7F0;

  /* --- TIPOGRAFIA --- */
  --font-heading: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* --- ESPAÇAMENTOS E RADIUS --- */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 4px rgba(18, 24, 21, 0.04);
  --shadow-md: 0 6px 16px rgba(18, 24, 21, 0.07);
  --shadow-lg: 0 16px 36px rgba(18, 24, 21, 0.10);
  --shadow-xl: 0 24px 48px rgba(18, 24, 21, 0.14);
  --shadow-gold: 0 8px 24px rgba(197, 154, 78, 0.25);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);

  --max-width: 1200px;
  --max-width-narrow: 840px;
  --header-height: 72px;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-bg-main);
  color: var(--color-text-main);
  line-height: 1.65;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-main);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

p {
  margin-bottom: 1.25rem;
}

p:last-child {
  margin-bottom: 0;
}

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

img, svg {
  display: block;
  max-width: 100%;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* --- CONTAINER E GRID --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  width: 100%;
  max-width: var(--max-width-narrow);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding-top: 5.5rem;
  padding-bottom: 5.5rem;
  position: relative;
}

@media (max-width: 768px) {
  .section {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }
}

/* --- SECTIONS COM FUNDOS ALTERNADOS --- */
.bg-main { background-color: var(--color-bg-main); }
.bg-subtle { background-color: var(--color-bg-subtle); }
.bg-dark { 
  background-color: var(--color-bg-dark); 
  color: var(--color-text-light);
}
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 {
  color: var(--color-text-light);
}
.bg-dark p {
  color: var(--color-text-light-muted);
}
.bg-primary {
  background-color: var(--color-primary);
  color: var(--color-text-light);
}
.bg-primary h1, .bg-primary h2, .bg-primary h3, .bg-primary h4 {
  color: var(--color-text-light);
}

/* --- ESTILOS DE CABEÇALHO DE SEÇÃO --- */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-header.text-left {
  text-align: left;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  background-color: var(--color-accent-light);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(197, 154, 78, 0.25);
  margin-bottom: 1rem;
}

.bg-dark .section-tag {
  background-color: rgba(197, 154, 78, 0.12);
  border-color: rgba(197, 154, 78, 0.3);
  color: #DFC088;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  color: var(--color-text-main);
}

.bg-dark .section-title {
  color: #FFFFFF;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}

.section-header.text-left .section-subtitle {
  margin-left: 0;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.85rem;
  }
  .section-subtitle {
    font-size: 1rem;
  }
}

/* --- BOTÕES (CTAS) --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 1.1rem 2.25rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  text-align: center;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  letter-spacing: -0.01em;
}

.btn-primary {
  background: linear-gradient(135deg, #D5A654 0%, #B88536 100%);
  color: #121815;
  border: 1px solid #E8BF74;
  box-shadow: 0 4px 18px rgba(197, 154, 78, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #DEB265 0%, #C39040 100%);
  box-shadow: 0 8px 24px rgba(197, 154, 78, 0.5);
  transform: translateY(-2px);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: rgba(21, 51, 39, 0.05);
  transform: translateY(-2px);
}

.bg-dark .btn-secondary {
  color: #FFFFFF;
  border-color: rgba(255, 255, 255, 0.3);
}

.bg-dark .btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: #FFFFFF;
}

.btn-lg {
  padding: 1.25rem 2.75rem;
  font-size: 1.15rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

/* --- DETALHES TOPOGRÁFICOS VETORIAIS --- */
.topo-grid-overlay {
  background-image: 
    linear-gradient(rgba(21, 51, 39, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(21, 51, 39, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.topo-grid-dark {
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* Coordenadas e Ticker Técnico */
.coord-badge {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: var(--color-olive);
  opacity: 0.8;
  letter-spacing: 0.06em;
}

.bg-dark .coord-badge {
  color: #8BA396;
}

/* Utilitários */
.text-center { text-align: center; }
.text-muted { color: var(--color-text-muted); }
.text-gold { color: var(--color-accent); }
.font-mono { font-family: var(--font-mono); }
.font-heading { font-family: var(--font-heading); }
.bold { font-weight: 700; }