/* 
  DESIGN SYSTEM & TOKENS 
  Paleta: Azul (Primário) e Verde (Secundário) estilo Tech/Agro 
*/
:root {
  /* Cores - Azul Tecnológico/Confiável */
  --color-primary: #1E40AF;
  /* Azul Escuro (Bases e Hover) */
  --color-primary-base: #2563EB;
  /* Azul Brilhante (Botões e Destaques) */
  --color-primary-light: #EFF6FF;
  /* Fundo Suave Azul */

  /* Cores - Verde Agro/Ambiental */
  --color-secondary: #047857;
  /* Verde Profundo */
  --color-secondary-base: #10B981;
  /* Verde Vivo */
  --color-secondary-light: #ECFDF5;
  /* Fundo Suave Verde */

  /* Cores Neutras / Textos */
  --color-bg: #FFFFFF;
  --color-bg-gray: #F8FAFC;
  /* Fundo seções alternadas */
  --color-text-dark: #0F172A;
  /* Quase Preto para Títulos */
  --color-text: #334155;
  /* Cinza para corpo do texto */
  --color-text-muted: #64748B;
  --color-border: #E2E8F0;

  /* Espaçamentos e Layout */
  --container-max: 1140px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;

  /* Tipografia */
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-pill: 9999px;

  /* Effeitos */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* RESET E BÁSICOS */
*,
*::before,
*::after {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  font-family: var(--font-family);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4 {
  color: var(--color-text-dark);
  line-height: 1.25;
  margin-top: 0;
  margin-bottom: var(--space-sm);
  font-weight: 700;
}

p {
  margin-top: 0;
  margin-bottom: 1rem;
}

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

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

/* UTILITÁRIOS */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

.wrapper-gray {
  background-color: var(--color-bg-gray);
}

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

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

.text-muted {
  color: var(--color-text-muted);
}

.text-dark {
  color: var(--color-text-dark);
}

.text-primary {
  color: var(--color-primary-base);
}

.text-white {
  color: #fff;
}

.text-large {
  font-size: 1.125rem;
}

.text-sm {
  font-size: 0.875rem;
}

.mt-sm {
  margin-top: var(--space-sm);
}

.mt-md {
  margin-top: var(--space-md);
}

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

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

.underline:hover {
  text-decoration: underline;
}

/* LAYOUT GRIDS */
.grid {
  display: grid;
  gap: var(--space-md);
}

.gap-md {
  gap: var(--space-md);
}

.gap-lg {
  gap: var(--space-lg);
}

.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 992px) {
  .cols-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {

  .cols-3,
  .cols-2 {
    grid-template-columns: 1fr;
  }
}

/* HEADER & NAVBAR */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
}

.header-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  height: 48px;
  width: auto;
}

.brand-text {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

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

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

.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-text-dark);
  padding: 0;
}

@media (max-width: 768px) {
  .nav {
    display: none;
    position: absolute;
    top: calc(100% + 1rem);
    left: var(--space-md);
    right: var(--space-md);
    align-items: stretch;
    flex-direction: column;
    gap: 0.25rem;
    padding: 1rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
  }

  .nav.is-open {
    display: flex;
  }

  .nav-link {
    padding: 0.75rem;
  }

  .mobile-menu-btn {
    display: block;
    min-width: 44px;
    min-height: 44px;
    padding: 10px;
    flex-shrink: 0;
  }
}

:focus-visible {
  outline: 3px solid var(--color-primary-base);
  outline-offset: 4px;
}

section[id] {
  scroll-margin-top: 6rem;
}

/* BOTÕES (BTNS) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 600;
  font-size: 1rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-primary {
  background-color: var(--color-primary-base);
  color: #fff;
  box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-text-dark);
  border-color: var(--color-border);
}

.btn-secondary:hover {
  border-color: var(--color-primary-base);
  color: var(--color-primary-base);
  background-color: var(--color-primary-light);
}

/* HERO SECTION */
.hero {
  padding: var(--space-xl) 0;
  overflow: hidden;
}

.badge {
  display: inline-block;
  background-color: var(--color-secondary-light);
  color: var(--color-secondary);
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.25rem 1rem;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-sm);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.hero-subtitle {
  font-size: 1.125rem;
  margin-bottom: var(--space-md);
  max-width: 500px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero h1 {
    max-width: 700px;
    margin-inline: auto;
  }

  .hero-subtitle {
    margin-inline: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .badge {
    margin-inline: auto;
  }
}

/* SECTION HEADER */
.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-lg);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
}

.section-description {
  font-size: 1.125rem;
  color: var(--color-text-muted);
}

/* CARDS (BENEFÍCIOS) */
.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  border-color: rgba(37, 99, 235, 0.3);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

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

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

/* PLACEHOLDERS DE IMAGEM */
.image-placeholder {
  background-color: var(--color-border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  width: 100%;
}

.aspect-video {
  aspect-ratio: 16/9;
}

.aspect-square {
  aspect-ratio: 1/1;
}

.placeholder-icon {
  margin-bottom: 1rem;
  opacity: 0.5;
}

/* COMO FUNCIONA (STEPS) */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-md);
  max-width: 1000px;
  margin: 0 auto;
}

.step-item {
  position: relative;
  text-align: center;
  padding: var(--space-md);
}

.step-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-primary-light);
  line-height: 1;
  margin-bottom: var(--space-xs);
  opacity: 0.8;
}

.step-title {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
  .steps-grid {
    grid-template-columns: 1fr;
  }
}

/* SPLIT LAYOUT (SOBRE/PRODUÇÃO) */
.split-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.split-layout.align-center {
  align-items: center;
}

.check-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.check-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 500;
  color: var(--color-text-dark);
}

@media (max-width: 992px) {
  .split-layout {
    grid-template-columns: 1fr;
  }

  .split-image {
    grid-row: 1;
  }

  /* Imagem em cima no mobile */
}

/* METRICS (Estatísticas) */
.metrics-section {
  padding: var(--space-md) 0;
}

.metric {
  padding: var(--space-sm);
}

.metric-value {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 0.25rem;
  line-height: 1;
}

.metric-label {
  font-size: 1rem;
  opacity: 0.9;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* FAQ / ACCORDION */
.faq-container {
  max-width: 800px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-title {
  padding: 1.25rem;
  font-weight: 600;
  font-size: 1.125rem;
  color: var(--color-text-dark);
  cursor: pointer;
  list-style: none;
  /* remove seta padrao em alguns browsers */
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Seta do CSS customizada para detalhe do FAQ */
.faq-title::after {
  content: '+';
  font-size: 1.5rem;
  font-weight: 400;
  transition: var(--transition);
  color: var(--color-text-muted);
}

details[open] .faq-title::after {
  content: '−';
}

.faq-title::-webkit-details-marker {
  display: none;
}

.faq-content {
  padding: 0 1.25rem 1.25rem;
  color: var(--color-text);
  line-height: 1.6;
}

/* CTA INFERIOR */
.bottom-cta {
  padding: var(--space-xl) 0;
}

.bottom-cta h2 {
  color: #fff;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo {
  height: 32px;
  width: auto;
  filter: grayscale(1) brightness(2);
}

.footer-brand p {
  margin-bottom: 0;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-brand,
.footer-address,
.footer-tagline {
  flex: 1;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  justify-content: flex-start;
}

.footer-address {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: 0.875rem;
  text-align: center;
}

.footer-tagline {
  display: flex;
  justify-content: flex-end;
  text-align: right;
}

.footer-tagline p {
  margin-bottom: 0;
  max-width: 320px;
}

.footer-logo {
  height: 32px;
  width: auto;
  filter: grayscale(1) brightness(2);
}

@media (max-width: 768px) {
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    justify-content: center;
  }

  .footer-brand,
  .footer-address,
  .footer-tagline {
    justify-content: center;
    text-align: center;
    flex: none;
    width: 100%;
  }

  .footer-tagline p {
    max-width: none;
  }
}