:root {
  --background: 0 0% 100%;
  --foreground: 224 71% 4%;
  --primary: 221 83% 53%;
  --primary-foreground: 210 40% 98%;
}

body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, sans-serif;
  background: hsl(var(--background));
  color: hsl(var(--foreground));
}

.dark {
  --background: 224 71% 4%;
  --foreground: 210 40% 98%;
}

#root {
  min-height: 100vh;
}

.seo-header {
  padding: 1rem;
  border-bottom: 1px solid #e5e7eb;
}

.seo-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.seo-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.seo-logo-text {
  font-size: 1.25rem;
  font-weight: 700;
}

.seo-logo-accent {
  color: #3b82f6;
}

.seo-nav-link {
  color: #6b7280;
  text-decoration: none;
}

.seo-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1rem;
}

.seo-hero {
  text-align: center;
  margin-bottom: 3rem;
}

.seo-h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.seo-h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.seo-h3 {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.seo-text-muted {
  color: #6b7280;
}

.seo-text-lg {
  font-size: 1.25rem;
}

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

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

.seo-max-w-700 {
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.seo-section {
  margin-bottom: 3rem;
}

.seo-section-border {
  border-top: 1px solid #e5e7eb;
  padding-top: 2rem;
}

.seo-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.seo-card {
  border: 2px solid #e5e7eb;
  border-radius: 0.5rem;
  padding: 1.5rem;
}

.seo-card-light {
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  padding: 1.5rem;
}

.seo-aside {
  border: 1px solid #e5e7eb;
  border-radius: 0.5rem;
  padding: 1.5rem;
  background: #f9fafb;
}

.seo-list {
  margin: 0.5rem 0;
  padding-left: 1.25rem;
}

.seo-stat {
  text-align: center;
  padding: 1rem;
}

.seo-stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: #3b82f6;
  margin-bottom: 0.25rem;
}

.seo-link {
  color: #3b82f6;
}

.seo-footer {
  background: #f9fafb;
  padding: 2rem 1rem;
  border-top: 1px solid #e5e7eb;
}

.seo-footer-logo {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.seo-footer-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}