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

:root {
  --primary-color: #2563eb;
  --primary-dark: #1e40af;
  --secondary-color: #10b981;
  --text-dark: #1f2937;
  --text-light: #6b7280;
  --bg-light: #f9fafb;
  --bg-white: #ffffff;
  --border-color: #e5e7eb;
  --accent-color: #f59e0b;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 48px;
  --spacing-2xl: 64px;
  --spacing-3xl: 96px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--bg-white);
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

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

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary-color);
}

.btn-nav {
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--bg-light);
  color: var(--text-dark);
  text-decoration: none;
  border-radius: 6px;
  font-weight: 500;
  transition: background-color 0.3s;
}

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

.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: var(--bg-white);
  padding: var(--spacing-3xl) 0;
  text-align: center;
}

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

.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background-color: rgba(255, 255, 255, 0.2);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

.hero-subtitle {
  font-size: 1.25rem;
  line-height: 1.8;
  margin-bottom: var(--spacing-xl);
  opacity: 0.95;
}

.hero-cta {
  margin-bottom: var(--spacing-xl);
}

.btn-primary {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-xl);
  background-color: var(--accent-color);
  color: var(--bg-white);
  text-decoration: none;
  border-radius: 8px;
  font-weight: 700;
  font-size: 1.125rem;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: 1.25rem;
}

.price {
  margin-top: var(--spacing-sm);
  font-size: 1.5rem;
  font-weight: 700;
}

.price-old {
  text-decoration: line-through;
  opacity: 0.6;
  font-size: 1.125rem;
  margin-left: var(--spacing-xs);
}

.trust-badges {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  flex-wrap: wrap;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.trust-number {
  font-size: 2rem;
  font-weight: 800;
  display: block;
}

.trust-text {
  font-size: 0.875rem;
  opacity: 0.9;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  color: var(--text-dark);
  line-height: 1.2;
}

.problem {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-light);
}

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

.problem-card {
  background-color: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: 12px;
  text-align: center;
  border: 1px solid var(--border-color);
}

.problem-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-sm);
}

.problem-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

.problem-card p {
  color: var(--text-light);
  line-height: 1.6;
}

.solution {
  padding: var(--spacing-3xl) 0;
}

.solution-content {
  max-width: 900px;
  margin: 0 auto;
}

.solution-subtitle {
  font-size: 1.125rem;
  text-align: center;
  color: var(--text-light);
  margin-bottom: var(--spacing-2xl);
  line-height: 1.8;
}

.solution-features {
  display: grid;
  gap: var(--spacing-lg);
}

.feature {
  display: flex;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.feature-icon {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  background-color: var(--secondary-color);
  color: var(--bg-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
}

.feature-text h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
  color: var(--text-dark);
}

.feature-text p {
  color: var(--text-light);
  line-height: 1.6;
}

.curriculum {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-light);
}

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

.module {
  background-color: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.module-number {
  display: inline-block;
  padding: 4px 12px;
  background-color: var(--primary-color);
  color: var(--bg-white);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.module h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  color: var(--text-dark);
}

.module ul {
  list-style: none;
}

.module li {
  padding: var(--spacing-xs) 0;
  padding-left: var(--spacing-md);
  position: relative;
  color: var(--text-light);
  line-height: 1.6;
}

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

.testimonials {
  padding: var(--spacing-3xl) 0;
}

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

.testimonial {
  background-color: var(--bg-light);
  padding: var(--spacing-lg);
  border-radius: 12px;
  border-left: 4px solid var(--primary-color);
}

.stars {
  color: var(--accent-color);
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
}

.testimonial-text {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text-dark);
  margin-bottom: var(--spacing-md);
  font-style: italic;
}

.testimonial-author {
  font-weight: 600;
  color: var(--text-light);
  font-size: 0.875rem;
}

.bonus {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-light);
}

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

.bonus-card {
  background-color: var(--bg-white);
  padding: var(--spacing-lg);
  border-radius: 12px;
  border: 2px solid var(--accent-color);
  text-align: center;
}

.bonus-card h3 {
  color: var(--accent-color);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: var(--spacing-xs);
}

.bonus-card h4 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

.bonus-card p {
  color: var(--text-light);
  line-height: 1.6;
}

.pricing {
  padding: var(--spacing-3xl) 0;
}

.pricing-box {
  max-width: 600px;
  margin: 0 auto;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: var(--bg-white);
  padding: var(--spacing-2xl);
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.pricing-badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-md);
  background-color: var(--accent-color);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.pricing-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: var(--spacing-lg);
}

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

.price-large {
  font-size: 4rem;
  font-weight: 800;
  display: inline-block;
}

.price-strike {
  font-size: 2rem;
  text-decoration: line-through;
  opacity: 0.6;
  margin-left: var(--spacing-sm);
}

.pricing-features {
  list-style: none;
  margin-bottom: var(--spacing-lg);
  text-align: left;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.pricing-features li {
  padding: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
  font-size: 1.125rem;
}

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

.guarantee {
  margin-top: var(--spacing-md);
  font-size: 0.875rem;
  opacity: 0.9;
}

.faq {
  padding: var(--spacing-3xl) 0;
  background-color: var(--bg-light);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background-color: var(--bg-white);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.faq-item h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
  color: var(--text-dark);
}

.faq-item p {
  color: var(--text-light);
  line-height: 1.8;
}

.cta-final {
  padding: var(--spacing-3xl) 0;
  background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
  color: var(--bg-white);
  text-align: center;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: var(--spacing-sm);
}

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

.cta-note {
  margin-top: var(--spacing-md);
  font-size: 0.875rem;
  opacity: 0.9;
}

.footer {
  background-color: var(--text-dark);
  color: var(--bg-white);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

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

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

.footer-links a {
  color: var(--bg-white);
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.3s;
}

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

@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

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

  .section-title {
    font-size: 1.75rem;
  }

  .trust-badges {
    gap: var(--spacing-md);
  }

  .trust-number {
    font-size: 1.5rem;
  }

  .problem-grid,
  .modules,
  .testimonial-grid,
  .bonus-grid {
    grid-template-columns: 1fr;
  }

  .pricing-title {
    font-size: 1.5rem;
  }

  .price-large {
    font-size: 3rem;
  }

  .cta-content h2 {
    font-size: 1.75rem;
  }

  .cta-content p {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: var(--spacing-2xl) 0;
  }

  .hero-title {
    font-size: 1.5rem;
  }

  .btn-primary {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 1rem;
  }

  .btn-large {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.5rem;
  }
}