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

:root {
  --color-primary: #2c5530;
  --color-secondary: #4a7c59;
  --color-accent: #8fbc8f;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-background: #fafafa;
  --color-surface: #ffffff;
  --color-border: #e0e0e0;

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-family-serif: Georgia, "Times New Roman", serif;

  --container-width: 1200px;
  --content-width: 800px;

  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 2rem;
  --spacing-xl: 4rem;
}

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

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

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

/* Links */
a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

/* Header */
.site-header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.site-logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--color-primary);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
}

.nav-menu a {
  color: var(--color-text);
  font-weight: 500;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-primary);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.menu-toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
}

/* Main Content */
main {
  flex: 1;
  padding: var(--spacing-xl) 0;
}

/* Hero Section */
.hero {
  text-align: center;
  padding: var(--spacing-xl) 0;
  margin-bottom: var(--spacing-xl);
}

.hero h1 {
  font-size: 2.5rem;
  color: var(--color-primary);
  margin-bottom: var(--spacing-md);
}

.hero p {
  font-size: 1.25rem;
  color: var(--color-text-light);
  max-width: var(--content-width);
  margin: 0 auto;
}

/* Page Header */
.page-header {
  margin-bottom: var(--spacing-xl);
}

.page-header h1 {
  font-size: 2rem;
  color: var(--color-primary);
}

.page-description {
  color: var(--color-text-light);
  margin-top: var(--spacing-sm);
}

/* Featured Articles */
.featured-articles h2 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

/* Article Cards */
.article-card {
  background-color: var(--color-surface);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
}

.article-image img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.article-content {
  padding: var(--spacing-lg);
}

.article-title {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.article-title a {
  color: var(--color-text);
}

.article-title a:hover {
  color: var(--color-primary);
}

.article-meta {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.article-meta time,
.article-meta .author {
  margin-right: var(--spacing-md);
}

.article-summary {
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.read-more {
  font-weight: 500;
  color: var(--color-primary);
}

/* Articles List */
.articles-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.articles-list .article-card {
  display: flex;
  flex-direction: row;
}

.articles-list .article-image {
  flex: 0 0 300px;
}

.articles-list .article-image img {
  height: 100%;
  min-height: 200px;
}

/* Single Article */
.article-single {
  max-width: var(--content-width);
  margin: 0 auto;
}

.article-header {
  margin-bottom: var(--spacing-lg);
}

.article-header h1 {
  font-size: 2.5rem;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

.article-featured-image {
  margin-bottom: var(--spacing-lg);
}

.article-featured-image img {
  width: 100%;
  border-radius: 8px;
}

.article-body {
  font-family: var(--font-family-serif);
  font-size: 1.125rem;
  line-height: 1.8;
}

.article-body h2,
.article-body h3,
.article-body h4 {
  font-family: var(--font-family);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.article-body p {
  margin-bottom: var(--spacing-md);
}

.article-body blockquote {
  border-left: 4px solid var(--color-accent);
  padding-left: var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  font-style: italic;
  color: var(--color-text-light);
}

.article-body ul,
.article-body ol {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.article-body li {
  margin-bottom: var(--spacing-sm);
}

/* Article Footer */
.article-footer {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  align-items: center;
}

.tag {
  background-color: var(--color-accent);
  color: var(--color-primary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: 4px;
  font-size: 0.875rem;
}

/* Article Navigation */
.article-navigation {
  display: flex;
  justify-content: space-between;
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.article-navigation a {
  display: flex;
  flex-direction: column;
  max-width: 45%;
}

.article-navigation span {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

.article-navigation strong {
  color: var(--color-primary);
}

.next-article {
  text-align: right;
  margin-left: auto;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.pagination a {
  padding: var(--spacing-sm) var(--spacing-md);
  background-color: var(--color-primary);
  color: white;
  border-radius: 4px;
}

.pagination a:hover {
  background-color: var(--color-secondary);
  color: white;
}

.page-info {
  color: var(--color-text-light);
}

/* View All Button */
.view-all {
  text-align: center;
  margin-top: var(--spacing-xl);
}

.btn {
  display: inline-block;
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-primary);
  color: white;
  border-radius: 4px;
  font-weight: 500;
  transition: background-color 0.2s ease;
}

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

/* Footer */
.site-footer {
  background-color: var(--color-primary);
  color: white;
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  margin-top: auto;
}

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

.footer-section h4 {
  margin-bottom: var(--spacing-md);
}

.footer-section p {
  opacity: 0.9;
}

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

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: white;
  opacity: 0.9;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: var(--spacing-lg);
  text-align: center;
  opacity: 0.8;
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .menu-toggle {
    display: flex;
  }

  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-surface);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
  }

  .nav-menu.active {
    display: flex;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .articles-list .article-card {
    flex-direction: column;
  }

  .articles-list .article-image {
    flex: none;
  }

  .article-header h1 {
    font-size: 1.75rem;
  }

  .article-navigation {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .article-navigation a {
    max-width: 100%;
  }

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