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

:root {
  --color-primary: #2d5016;
  --color-primary-dark: #1e3a0f;
  --color-secondary: #5a8f2e;
  --color-accent: #7cb342;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-bg: #ffffff;
  --color-bg-alt: #f8f9f7;
  --color-border: #e0e0e0;
  --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --max-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 3rem;
  --spacing-xl: 4rem;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

/* Header */
header {
  background-color: var(--color-primary);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-bg);
  text-decoration: none;
  letter-spacing: 1px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: var(--spacing-md);
}

nav a {
  color: var(--color-bg);
  text-decoration: none;
  font-weight: 500;
  transition: opacity 0.2s;
}

nav a:hover {
  opacity: 0.8;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: var(--color-bg);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-sm);
  font-weight: 700;
}

.hero p {
  font-size: 1.25rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-md);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.btn {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background-color: var(--color-bg-alt);
  transform: translateY(-2px);
}

/* Main Content */
main {
  flex: 1;
}

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

section:nth-child(even) {
  background-color: var(--color-bg-alt);
}

h2 {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

h3 {
  font-size: 1.25rem;
  color: var(--color-primary-dark);
  margin-bottom: var(--spacing-sm);
}

/* About Section */
.about-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.about-card {
  background: var(--color-bg);
  padding: var(--spacing-md);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Products Section */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.product-card {
  background: var(--color-bg);
  padding: var(--spacing-md);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  text-align: center;
  border-top: 4px solid var(--color-accent);
}

.product-card h3 {
  color: var(--color-secondary);
}

/* Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-md);
  text-align: center;
}

.stat-item {
  padding: var(--spacing-md);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  display: block;
}

.stat-label {
  color: var(--color-text-light);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Legal Pages */
.legal-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-xl) var(--spacing-md);
}

.legal-content h1 {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  text-align: center;
}

.legal-content .update-date {
  text-align: center;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-lg);
  font-size: 0.875rem;
}

.legal-content h2 {
  font-size: 1.25rem;
  text-align: left;
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-sm);
  padding-bottom: var(--spacing-xs);
  border-bottom: 2px solid var(--color-accent);
}

.legal-content h3 {
  font-size: 1rem;
  margin-top: var(--spacing-md);
}

.legal-content p {
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
}

.legal-content ul {
  margin-left: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.legal-content li {
  margin-bottom: var(--spacing-xs);
}

.legal-content strong {
  color: var(--color-primary-dark);
}

/* Footer */
footer {
  background-color: var(--color-primary-dark);
  color: var(--color-bg);
  padding: var(--spacing-md) 0;
  margin-top: auto;
}

footer .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  text-align: center;
}

.footer-links {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--color-bg);
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.footer-links a:hover {
  opacity: 1;
}

.footer-info {
  font-size: 0.875rem;
  opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 1.75rem;
  }

  .hero p {
    font-size: 1rem;
  }

  nav ul {
    gap: var(--spacing-sm);
  }

  nav a {
    font-size: 0.875rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  section {
    padding: var(--spacing-lg) 0;
  }

  .stat-number {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  header .container {
    flex-direction: column;
    gap: var(--spacing-sm);
  }

  nav ul {
    flex-wrap: wrap;
    justify-content: center;
  }

  .footer-links {
    flex-direction: column;
    gap: var(--spacing-xs);
  }
}