* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #1e3a8a;
  --color-primary-hover: #1e40af;
  --color-dark: #1f2937;
  --color-gray: #4b5563;
  --color-light-gray: #9ca3af;
  --color-border: #e5e7eb;
  --color-background: #ffffff;
  --color-background-alt: #f9fafb;
  --font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --container-max-width: 1200px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
}

body {
  font-family: var(--font-family);
  color: var(--color-dark);
  background-color: var(--color-background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.header {
  background-color: var(--color-background);
  border-bottom: 1px solid var(--color-border);
  padding: var(--spacing-sm) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  text-decoration: none;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-dark);
}

.nav {
  display: flex;
  gap: var(--spacing-md);
}

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

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xs);
  color: var(--color-dark);
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  text-decoration: none;
  display: inline-block;
}

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

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

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.0625rem;
}

.hero {
  background: linear-gradient(135deg, #f9fafb 0%, #e5e7eb 100%);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  color: var(--color-gray);
  margin-bottom: var(--spacing-md);
  line-height: 1.6;
}

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

.features h2 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-dark);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.feature-card {
  padding: var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: 0.75rem;
  background-color: var(--color-background);
  transition: box-shadow 0.2s;
}

.feature-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background-color: var(--color-background-alt);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-sm);
  color: var(--color-primary);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-dark);
}

.feature-card p {
  color: var(--color-gray);
  line-height: 1.6;
}

.testimonials {
  background-color: var(--color-background-alt);
  padding: var(--spacing-xl) 0;
}

.testimonials h2 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-dark);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--spacing-md);
}

.testimonial-card {
  background-color: var(--color-background);
  padding: var(--spacing-md);
  border-radius: 0.75rem;
  border: 1px solid var(--color-border);
}

.testimonial-text {
  font-size: 1.0625rem;
  color: var(--color-gray);
  margin-bottom: var(--spacing-sm);
  line-height: 1.6;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.testimonial-author strong {
  color: var(--color-dark);
  font-weight: 600;
}

.testimonial-author span {
  color: var(--color-light-gray);
  font-size: 0.875rem;
}

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

.pricing h2 {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-lg);
  color: var(--color-dark);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-md);
  align-items: start;
}

.pricing-card {
  border: 2px solid var(--color-border);
  border-radius: 0.75rem;
  padding: var(--spacing-md);
  background-color: var(--color-background);
  position: relative;
}

.pricing-featured {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(30, 58, 138, 0.12);
}

.featured-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-primary);
  color: white;
  padding: 0.25rem 1rem;
  border-radius: 1rem;
  font-size: 0.875rem;
  font-weight: 600;
}

.pricing-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--color-dark);
}

.pricing-description {
  color: var(--color-gray);
  margin-bottom: var(--spacing-sm);
  min-height: 48px;
}

.pricing-price {
  margin-bottom: var(--spacing-md);
}

.price-amount {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-dark);
}

.price-period {
  color: var(--color-gray);
  font-size: 1rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-md);
}

.pricing-features li {
  padding: var(--spacing-xs) 0;
  color: var(--color-gray);
  position: relative;
  padding-left: 1.5rem;
}

.pricing-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
}

.pricing-card .btn {
  width: 100%;
  text-align: center;
}

.contact {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1e40af 100%);
  padding: var(--spacing-xl) 0;
  text-align: center;
  color: white;
}

.contact-content h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.contact-content p {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-md);
  opacity: 0.95;
}

.contact .btn-large {
  background-color: white;
  color: var(--color-primary);
}

.contact .btn-large:hover {
  background-color: var(--color-background-alt);
}

.footer {
  background-color: var(--color-dark);
  color: white;
  padding: var(--spacing-lg) 0;
}

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

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 1.25rem;
  font-weight: 600;
}

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

.footer-links a {
  color: var(--color-light-gray);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
}

.footer-copyright {
  color: var(--color-light-gray);
  font-size: 0.875rem;
}

.legal-page {
  padding: var(--spacing-lg) 0;
  min-height: 60vh;
}

.legal-page h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--color-dark);
}

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

.legal-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--color-dark);
}

.legal-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: var(--spacing-sm);
  margin-bottom: var(--spacing-xs);
  color: var(--color-dark);
}

.legal-section p {
  color: var(--color-gray);
  line-height: 1.6;
  margin-bottom: var(--spacing-sm);
}

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

.legal-section li {
  color: var(--color-gray);
  line-height: 1.6;
  margin-bottom: var(--spacing-xs);
}

.legal-updated {
  font-style: italic;
  color: var(--color-light-gray);
  margin-top: var(--spacing-md);
}

@media (max-width: 768px) {
  .header-content {
    flex-wrap: wrap;
  }

  .nav {
    display: none;
  }

  .header .btn-primary {
    display: none;
  }

  .mobile-menu-toggle {
    display: block;
  }

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

  .hero p {
    font-size: 1.0625rem;
  }

  .features h2,
  .testimonials h2,
  .pricing h2,
  .contact-content h2 {
    font-size: 1.875rem;
  }

  .features-grid,
  .testimonials-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 0 var(--spacing-sm);
  }

  .legal-page h1 {
    font-size: 1.875rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--spacing-lg) 0;
  }

  .hero h1 {
    font-size: 1.75rem;
  }

  .features,
  .testimonials,
  .pricing,
  .contact {
    padding: var(--spacing-lg) 0;
  }
}