/* =================================
   HERO SECTION
   ================================= */
.hero {
  padding: 120px 0 80px;
  text-align: center;
  background: linear-gradient(135deg, rgba(5, 150, 105, 0.05), rgba(16, 185, 129, 0.03));
}
.hero h1 {
  font-family: Inter, system-ui, sans-serif;
  font-size: clamp(32px, 6vw, 52px);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-primary);
}
.hero .hero-subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 32px;
}
.btn-primary {
  display: inline-block;
  padding: 14px 28px;
  background: var(--text-primary);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-family: Inter, system-ui, sans-serif;
  font-weight: 500;
  font-size: 15px;
  transition: all 0.2s ease;
  border: 1px solid var(--text-primary);
}
.btn-primary:hover {
  background: #047857;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* =================================
   ARTICLES GRID
   ================================= */
.section-title {
  font-family: Inter, system-ui, sans-serif;
  font-size: 32px;
  font-weight: 600;
  text-align: center;
  margin-top: 20px;
  margin-bottom: 20px;
  color: var(--text-primary);
}
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-bottom: 60px;
}
.article-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
  box-shadow: var(--shadow);
  text-decoration: none;
}
.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.article-card-content {
  padding: 24px;
}
.article-card h3 {
  font-family: Inter, system-ui, sans-serif;
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
  line-height: 1.3;
}
.article-excerpt {
  color: var(--text-secondary);
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 1.6;
}
.article-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.btn-read-more {
  display: inline-block;
  padding: 10px 20px;
  background: var(--surface);
  color: var(--text-primary);
  text-decoration: none;
  border-radius: 6px;
  font-family: Inter, system-ui, sans-serif;
  font-weight: 500;
  font-size: 14px;
  transition: all 0.2s ease;
  border: 1px solid var(--border);
}
.btn-read-more:hover {
  background: var(--text-accent);
  color: white;
  border-color: var(--text-accent);
}

/* =================================
   CATEGORIES GRID
   ================================= */
.categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 60px;
}
.category-card {
  display: block;
  background: var(--surface);
  padding: 32px 24px;
  border-radius: 12px;
  text-align: center;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
  text-decoration: none;
}
.category-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  background: white;
}
.category-card h4 {
  font-family: Inter, system-ui, sans-serif;
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--text-primary);
}
.category-card p {
  color: var(--text-secondary);
  font-size: 14px;
}

/* =================================
   NEWSLETTER CTA
   ================================= */
.newsletter-cta {
  background: linear-gradient(135deg, rgba(5, 150, 105, 0.1), rgba(16, 185, 129, 0.05));
  padding: 60px 0;
  text-align: center;
}
.newsletter-cta h2 {
  font-family: Inter, system-ui, sans-serif;
  font-size: 32px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.newsletter-cta p {
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.newsletter-form {
  display: flex;
  max-width: 400px;
  margin: 0 auto;
  gap: 8px;
}
.newsletter-input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  background: white;
}
.newsletter-btn {
  padding: 12px 24px;
  background: var(--text-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.2s ease;
}
.newsletter-btn:hover {
  background: #047857;
}

/* =================================
   RESPONSIVE DESIGN
   ================================= */
@media (max-width: 768px) {
  .hero {
    padding: 80px 0 60px;
  }
  .hero h1 {
    font-size: clamp(28px, 6vw, 40px);
  }
  .articles-grid {
    grid-template-columns: 1fr;
  }
  .categories-grid {
    grid-template-columns: 1fr;
  }
  .newsletter-form {
    flex-direction: column;
  }
  .newsletter-input,
  .newsletter-btn {
    width: 100%;
  }
  .article-meta {
    flex-direction: column;
    gap: 8px;
  }
}