:root {
  --primary-color: #c8102e;
  --primary-dark: #a00d25;
  --secondary-color: #2c3e50;
  --text-color: #333;
  --light-bg: #f8f9fa;
  --border-color: #e0e0e0;
  --success-color: #27ae60;
  --shadow: 0 2px 10px rgba(0,0,0,0.1);
  --shadow-lg: 0 4px 20px rgba(0,0,0,0.15);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  background: #fff;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 15px 0;
}

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

.logo {
  font-size: 28px;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  letter-spacing: -0.5px;
}

.lang-switcher {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
}

.lang-switcher a {
  color: var(--text-color);
  text-decoration: none;
  padding: 5px 10px;
  border-radius: 4px;
  transition: all 0.3s;
}

.lang-switcher a:hover {
  background: var(--light-bg);
  color: var(--primary-color);
}

.lang-switcher a.active {
  background: var(--primary-color);
  color: #fff;
  font-weight: 600;
}

.hero {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
  padding: 60px 0;
  text-align: center;
}

.hero h1 {
  font-size: 42px;
  color: var(--secondary-color);
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero .subtitle {
  font-size: 20px;
  color: #555;
  margin-bottom: 30px;
}

.hero-image {
  max-width: 400px;
  height: auto;
  margin: 30px auto;
  display: block;
  filter: drop-shadow(0 10px 30px rgba(0,0,0,0.2));
}

.cta-button {
  display: inline-block;
  background: var(--primary-color);
  color: #fff;
  padding: 18px 40px;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  border-radius: 50px;
  transition: all 0.3s;
  box-shadow: var(--shadow-lg);
  border: none;
  cursor: pointer;
}

.cta-button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 25px rgba(200,16,46,0.3);
}

.section {
  padding: 60px 0;
}

.section-title {
  font-size: 36px;
  text-align: center;
  color: var(--secondary-color);
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--primary-color);
  border-radius: 2px;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.benefit-card {
  background: #fff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: all 0.3s;
}

.benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.benefit-icon {
  font-size: 48px;
  margin-bottom: 20px;
}

.benefit-card h3 {
  font-size: 22px;
  color: var(--secondary-color);
  margin-bottom: 15px;
}

.benefit-card p {
  color: #666;
  line-height: 1.8;
}

.bg-light {
  background: var(--light-bg);
}

.ingredients-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.ingredient-item {
  background: #fff;
  padding: 25px;
  border-radius: 8px;
  border-left: 4px solid var(--primary-color);
}

.ingredient-item h4 {
  font-size: 18px;
  color: var(--secondary-color);
  margin-bottom: 10px;
}

.ingredient-item p {
  color: #666;
  font-size: 15px;
  line-height: 1.6;
}

.usage-steps {
  max-width: 800px;
  margin: 40px auto;
}

.step {
  display: flex;
  gap: 25px;
  margin-bottom: 30px;
  padding: 25px;
  background: #fff;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.step-number {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
}

.step-content h4 {
  font-size: 20px;
  color: var(--secondary-color);
  margin-bottom: 10px;
}

.step-content p {
  color: #666;
  line-height: 1.7;
}

.price-box {
  max-width: 600px;
  margin: 40px auto;
  background: #fff;
  padding: 40px;
  border-radius: 12px;
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.old-price {
  text-decoration: line-through;
  color: #999;
  font-size: 24px;
  margin-bottom: 10px;
}

.current-price {
  font-size: 48px;
  color: var(--primary-color);
  font-weight: 700;
  margin-bottom: 20px;
}

.price-note {
  color: #666;
  margin-bottom: 30px;
  font-size: 16px;
}

.testimonials {
  max-width: 900px;
  margin: 40px auto;
}

.testimonial {
  background: #fff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-bottom: 25px;
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 24px;
  font-weight: 700;
}

.testimonial-info h4 {
  font-size: 18px;
  color: var(--secondary-color);
}

.testimonial-stars {
  color: #ffc107;
  font-size: 16px;
}

.testimonial-text {
  color: #555;
  line-height: 1.8;
  font-style: italic;
}

.faq-container {
  max-width: 800px;
  margin: 40px auto;
}

.faq-item {
  background: #fff;
  margin-bottom: 15px;
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-question {
  padding: 20px 25px;
  font-size: 18px;
  font-weight: 600;
  color: var(--secondary-color);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff;
  transition: background 0.3s;
}

.faq-question:hover {
  background: var(--light-bg);
}

.faq-answer {
  padding: 0 25px 20px;
  color: #666;
  line-height: 1.8;
}

.final-cta {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: #fff;
  padding: 60px 0;
  text-align: center;
}

.final-cta h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.final-cta p {
  font-size: 18px;
  margin-bottom: 30px;
  opacity: 0.95;
}

.final-cta .cta-button {
  background: #fff;
  color: var(--primary-color);
}

.final-cta .cta-button:hover {
  background: var(--light-bg);
  transform: translateY(-2px);
}

footer {
  background: var(--secondary-color);
  color: #fff;
  padding: 40px 0 20px;
}

.footer-content {
  text-align: center;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 25px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  color: #fff;
  text-decoration: none;
  transition: color 0.3s;
}

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

.copyright {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 14px;
  opacity: 0.8;
}

.disclaimer {
  font-size: 13px;
  color: #999;
  max-width: 900px;
  margin: 20px auto;
  padding: 20px;
  background: var(--light-bg);
  border-radius: 8px;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 32px;
  }

  .hero .subtitle {
    font-size: 18px;
  }

  .hero-image {
    max-width: 300px;
  }

  .section-title {
    font-size: 28px;
  }

  .lang-switcher {
    font-size: 12px;
    gap: 5px;
  }

  .lang-switcher a {
    padding: 4px 8px;
  }

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

  .step {
    flex-direction: column;
    text-align: center;
  }

  .step-number {
    margin: 0 auto;
  }

  .current-price {
    font-size: 36px;
  }

  .footer-links {
    flex-direction: column;
    gap: 15px;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 22px;
  }

  .cta-button {
    padding: 15px 30px;
    font-size: 16px;
  }

  .header-content {
    flex-direction: column;
    gap: 15px;
  }
}