:root {
  --midnight-navy: #1A2B4A;
  --sakura-coral: #FF9B9B;
  --warm-ivory: #FFF8F0;
  --text-primary: #1A2B4A;
  --text-secondary: #5A6A8A;
  --white: #FFFFFF;
  --spacing-unit: 8px;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  color: var(--text-primary);
  background-color: var(--warm-ivory);
  line-height: 1.5;
  font-size: 16px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.header {
  background-color: var(--white);
  padding: 24px 0;
  box-shadow: 0 2px 8px rgba(26, 43, 74, 0.08);
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-icon {
  flex-shrink: 0;
}

.brand-name {
  font-size: 20px;
  font-weight: 600;
  color: var(--midnight-navy);
}

.hero {
  background: linear-gradient(135deg, var(--midnight-navy) 0%, #2A3B5A 100%);
  color: var(--white);
  padding: 80px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero-text h1 {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 24px;
}

.hero-text p {
  font-size: 20px;
  line-height: 1.5;
  margin-bottom: 32px;
  opacity: 0.95;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.cta-button {
  display: inline-block;
  background-color: var(--sakura-coral);
  color: var(--white);
  padding: 16px 40px;
  border-radius: 32px;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  background-color: #FF8585;
}

.cta-button-outline {
  display: inline-block;
  background-color: transparent;
  color: var(--white);
  padding: 16px 40px;
  border-radius: 32px;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  border: 2px solid var(--white);
  cursor: pointer;
}

.cta-button-outline:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.features {
  padding: 80px 0;
  background-color: var(--white);
}

.features {
  text-align: center;
}

.features h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 56px;
  color: var(--midnight-navy);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
}

.feature-card {
  text-align: center;
  padding: 32px;
}

.feature-icon {
  margin-bottom: 24px;
}

.feature-card h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--midnight-navy);
}

.feature-card p {
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.how-it-works {
  padding: 80px 0;
  background-color: var(--warm-ivory);
}

.how-it-works {
  text-align: center;
}

.how-it-works h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 56px;
  color: var(--midnight-navy);
}

.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 48px;
}

.step {
  text-align: center;
}

.step-number {
  width: 64px;
  height: 64px;
  background-color: var(--sakura-coral);
  color: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  margin: 0 auto 24px;
}

.step h3 {
  font-size: 22px;
  font-weight: 600;
  margin-bottom: 16px;
  color: var(--midnight-navy);
}

.step p {
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.benefits {
  padding: 80px 0;
  background-color: var(--white);
}

.benefits-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.benefits-text h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 32px;
  color: var(--midnight-navy);
}

.benefits-list {
  list-style: none;
}

.benefits-list li {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 16px;
  padding-left: 32px;
  position: relative;
  color: var(--text-secondary);
}

.benefits-list li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--sakura-coral);
  font-weight: 700;
  font-size: 20px;
}

.benefits-image .image-placeholder {
  background-color: #E8EDF5;
  border-radius: 16px;
  padding: 120px 40px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
}

.benefits-image img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(26, 43, 74, 0.12);
}

.micro-lessons {
  padding: 80px 0;
  background-color: var(--warm-ivory);
}

.micro-lessons {
  text-align: center;
}

.micro-lessons h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--midnight-navy);
}

.section-intro {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 48px;
}

.lessons-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.lesson-card {
  background-color: var(--white);
  padding: 32px;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(26, 43, 74, 0.08);
}

.lesson-card h4 {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--midnight-navy);
}

.lesson-card p {
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.products {
  padding: 80px 0;
  background-color: var(--white);
}

.products {
  text-align: center;
}

.products h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 56px;
  color: var(--midnight-navy);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
}

.product-card {
  background-color: var(--warm-ivory);
  padding: 40px 32px;
  border-radius: 16px;
  border: 2px solid transparent;
  position: relative;
}

.product-card.featured {
  border-color: var(--sakura-coral);
  background-color: var(--white);
}

.badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--sakura-coral);
  color: var(--white);
  padding: 4px 16px;
  border-radius: 16px;
  font-size: 14px;
  font-weight: 600;
}

.product-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--midnight-navy);
  text-align: center;
}

.product-price {
  font-size: 32px;
  font-weight: 700;
  color: var(--sakura-coral);
  text-align: center;
  margin-bottom: 24px;
}

.product-features {
  list-style: none;
  margin-bottom: 32px;
}

.product-features li {
  font-size: 16px;
  line-height: 1.5;
  margin-bottom: 12px;
  padding-left: 24px;
  position: relative;
  color: var(--text-secondary);
}

.product-features li:before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--midnight-navy);
  font-weight: 700;
}

.product-button {
  display: block;
  width: 100%;
  background-color: var(--midnight-navy);
  color: var(--white);
  padding: 14px 24px;
  border-radius: 24px;
  font-size: 16px;
  font-weight: 600;
  text-align: center;
  text-decoration: none;
  border: none;
  cursor: pointer;
}

.product-button:hover {
  background-color: #2A3B5A;
}

.product-button-secondary {
  background-color: var(--sakura-coral);
}

.product-button-secondary:hover {
  background-color: #FF8585;
}

.product-button-tertiary {
  background-color: transparent;
  color: var(--midnight-navy);
  border: 2px solid var(--midnight-navy);
}

.product-button-tertiary:hover {
  background-color: var(--midnight-navy);
  color: var(--white);
}

.progress-tracking {
  padding: 80px 0;
  background-color: var(--warm-ivory);
}

.tracking-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.tracking-image .image-placeholder {
  background-color: #E8EDF5;
  border-radius: 16px;
  padding: 120px 40px;
  text-align: center;
  color: var(--text-secondary);
  font-size: 14px;
}

.tracking-image img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: 0 4px 16px rgba(26, 43, 74, 0.12);
}

.tracking-text h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--midnight-navy);
}

.tracking-text p {
  font-size: 18px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.testimonials {
  padding: 80px 0;
  background-color: var(--white);
}

.testimonials {
  text-align: center;
}

.testimonials h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 56px;
  color: var(--midnight-navy);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

.testimonial-card {
  background-color: var(--warm-ivory);
  padding: 32px;
  border-radius: 16px;
}

.testimonial-card p {
  font-size: 18px;
  line-height: 1.5;
  color: var(--text-primary);
  margin-bottom: 16px;
  font-style: italic;
}

.testimonial-author {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-secondary);
}

.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--midnight-navy) 0%, #2A3B5A 100%);
  color: var(--white);
  text-align: center;
}

.cta-section h2 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 18px;
  margin-bottom: 32px;
  opacity: 0.95;
}

.contacts {
  padding: 80px 0;
  background-color: var(--warm-ivory);
}

.contacts h2 {
  text-align: center;
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 56px;
  color: var(--midnight-navy);
}

.contacts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
}

.contact-item {
  text-align: center;
}

.contact-item h4 {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--midnight-navy);
}

.contact-item p {
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.contact-item a {
  color: var(--sakura-coral);
  text-decoration: none;
}

.contact-item a:hover {
  text-decoration: underline;
}

.footer {
  background-color: var(--midnight-navy);
  color: var(--white);
  padding: 56px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-section h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: 12px;
}

.footer-section a {
  color: var(--white);
  text-decoration: none;
  font-size: 14px;
  opacity: 0.8;
}

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

.footer-brand .logo-wrapper {
  margin-bottom: 16px;
}

.footer-brand .brand-name {
  color: var(--white);
}

.footer-tagline {
  font-size: 14px;
  opacity: 0.8;
  line-height: 1.5;
}

.footer-links h4 {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 16px;
}

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

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--white);
  text-decoration: none;
  font-size: 14px;
  opacity: 0.8;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 14px;
  opacity: 0.7;
}

@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-text h1 {
    font-size: 32px;
  }

  .hero-text p {
    font-size: 18px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .cta-button,
  .hero-buttons .cta-button-outline {
    width: 100%;
    text-align: center;
  }

  .features h2,
  .how-it-works h2,
  .benefits-text h2,
  .micro-lessons h2,
  .products h2,
  .tracking-text h2,
  .testimonials h2,
  .cta-section h2,
  .contacts h2 {
    font-size: 28px;
  }

  .benefits-content,
  .tracking-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }
}