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

:root {
  --color-bg: #0a0e1a;
  --color-surface: #111827;
  --color-border: #1f2937;
  --color-text: #ffffff;
  --color-text-secondary: #9ca3af;
  --color-primary: #3b82f6;
  --color-primary-hover: #2563eb;
  --color-accent: #06b6d4;
  --color-accent-hover: #0891b2;
  --color-gradient-start: #3b82f6;
  --color-gradient-end: #06b6d4;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(10, 14, 26, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.language-selector {
  display: flex;
  gap: 0.5rem;
  padding: 0.25rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.lang-btn {
  padding: 0.5rem 1rem;
  background-color: transparent;
  color: var(--color-text-secondary);
  border: none;
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.lang-btn:hover {
  color: var(--color-text);
}

.lang-btn.active {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  color: white;
}

.nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-text);
}

.logo svg {
  color: var(--color-accent);
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.5rem;
}

.nav-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition);
}

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

.btn-download {
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  color: white;
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.hero {
  max-width: 1400px;
  margin: 0 auto;
  padding: 10rem 2rem 6rem;
  display: flex;
  flex-direction: row;
  gap: 4rem;
  align-items: center;
  position: relative;
}

.hero::before {
  content: "";
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: -1;
}

.hero-content {
  max-width: 600px;
}

.hero-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(6, 182, 212, 0.2));
  border: 1px solid var(--color-primary);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--color-accent);
  margin-bottom: 2rem;
}

.hero-title {
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.highlight {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
  display: inline-block;
}

.hero-description {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 2.5rem;
  max-width: 600px;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  color: white;
  text-decoration: none;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.4);
}

.btn-primary.large {
  padding: 1.25rem 2.5rem;
  font-size: 1.1rem;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  background-color: transparent;
  color: var(--color-text);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
}

.btn-secondary:hover {
  border-color: var(--color-primary);
  background-color: rgba(59, 130, 246, 0.1);
}

.hero-image {
  position: relative;
  flex-shrink: 0;
  width: 500px;
}

.hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: 0 20px 60px rgba(59, 130, 246, 0.3);
}

.stats {
  max-width: 1400px;
  margin: 0 auto;
  padding: 4rem 2rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

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

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
  margin-bottom: 0.5rem;
}

.stat-company {
  color: var(--color-text-secondary);
  font-size: 0.85rem;
}

.features {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) 2rem;
}

.features-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.section-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.section-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.section-description {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 700px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: var(--spacing-lg);
}

.feature-card {
  padding: 2.5rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  transition: var(--transition);
}

.feature-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
  transform: translateY(-4px);
}

.feature-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(6, 182, 212, 0.2));
  border: 1px solid var(--color-primary);
  border-radius: var(--radius);
  margin-bottom: 1.5rem;
}

.feature-icon svg {
  color: var(--color-accent);
}

.feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.feature-description {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Visual Feature Section */
.visual-feature {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.visual-stats {
  display: flex;
  gap: 3rem;
  margin-top: 2rem;
}

.visual-stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.visual-stat-label {
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.visual-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

/* Product Section */
.product-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) 2rem;
  display: flex;
  flex-direction: row;
  gap: 4rem;
  align-items: center;
}

.product-content {
  max-width: 600px;
  flex: 1;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.product-feature h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

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

.product-image {
  position: relative;
  flex-shrink: 0;
  width: 500px;
}

.product-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  box-shadow: 0 20px 60px rgba(6, 182, 212, 0.3);
}

/* About Section */
.about-section {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) 2rem;
  text-align: center;
}

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

.about-values {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
  margin-top: 4rem;
}

.value-item h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.value-item p {
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Pricing Section */
.pricing {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) 2rem;
}

.pricing-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.pricing-card {
  padding: 3rem;
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  position: relative;
  transition: var(--transition);
}

.pricing-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(59, 130, 246, 0.2);
  transform: translateY(-4px);
}

.pricing-card.featured {
  border: 2px solid var(--color-primary);
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.05), rgba(6, 182, 212, 0.05));
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 0.5rem 1rem;
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  color: white;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
}

.pricing-name {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  margin-bottom: 0.5rem;
}

.currency {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
}

.amount {
  font-size: 4rem;
  font-weight: 700;
  margin: 0 0.25rem;
}

.period {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
}

.pricing-save {
  color: #10b981;
  font-size: 0.95rem;
  margin-bottom: 2rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
}

.pricing-features li {
  padding: 0.75rem 0;
  color: var(--color-text-secondary);
  border-bottom: 1px solid var(--color-border);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-button {
  display: block;
  width: 100%;
  padding: 1rem;
  text-align: center;
  background-color: transparent;
  color: var(--color-text);
  text-decoration: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-weight: 600;
  transition: var(--transition);
}

.pricing-button:hover {
  border-color: var(--color-primary);
  background-color: rgba(59, 130, 246, 0.1);
}

.pricing-button.primary {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  color: white;
  border: none;
  box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.pricing-button.primary:hover {
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
  transform: translateY(-2px);
}

/* CTA Section */
.cta {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-xl) 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.cta-content {
  max-width: 900px;
}

.cta-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
}

.cta-description {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: 2.5rem;
}

.cta-platforms {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  color: var(--color-text-secondary);
  font-size: 0.95rem;
}

.cta-image img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

/* Footer */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) 2rem 2rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 3fr;
  gap: 4rem;
  margin-bottom: 3rem;
}

.footer-tagline {
  color: var(--color-text-secondary);
  margin-top: 1rem;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.footer-column h4 {
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.footer-column a {
  display: block;
  color: var(--color-text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  margin-bottom: 0.75rem;
  transition: var(--transition);
}

.footer-column a:hover {
  color: var(--color-text);
}

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-title,
  .cta-title {
    font-size: 3rem;
  }

  .section-title {
    font-size: 2.5rem;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .pricing-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-values {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

  .footer-content {
    grid-template-columns: 1fr;
  }

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

  .hero-content {
    max-width: 100%;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-image {
    width: 100%;
    max-width: 500px;
  }

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

  .product-content {
    max-width: 100%;
  }

  .product-image {
    width: 100%;
    max-width: 500px;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .language-selector {
    display: flex;
  }

  .hero-title,
  .cta-title {
    font-size: 2.5rem;
  }

  .section-title {
    font-size: 2rem;
  }

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

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

  .visual-stats {
    flex-direction: column;
    gap: 1.5rem;
  }

  .footer-links {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-platforms {
    flex-wrap: wrap;
  }

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

  .hero::before {
    width: 400px;
    height: 400px;
  }
}