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

:root {
  --primary-color: #2563eb;
  --primary-dark: #1e40af;
  --primary-light: #3b82f6;
  --secondary-color: #10b981;
  --accent-color: #f59e0b;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-dark: #111827;
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --gradient-secondary: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

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

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

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  z-index: 1000;
  transition: all 0.3s ease;
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.nav-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-light);
  font-weight: 600;
}

.brand {
  font-size: 35px;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.brand:hover {
  color: var(--primary-dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 500;
  font-size: 15px;
  transition: color 0.3s ease;
}

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

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: all 0.3s ease;
}

.btn-primary {
  background: var(--gradient-primary);
  color: white;
  padding: 12px 24px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  display: inline-block;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: white;
  color: var(--primary-color);
  padding: 12px 24px;
  border: 2px solid var(--primary-color);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  display: inline-block;
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-large {
  padding: 16px 32px;
  font-size: 16px;
}

.hero {
  position: relative;
  padding: 140px 0 80px;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(124, 58, 237, 0.05) 100%);
  z-index: -1;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text {
  animation: fadeInUp 0.8s ease;
}

.badge {
  display: inline-block;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1) 0%, rgba(124, 58, 237, 0.1) 100%);
  color: var(--primary-color);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-title {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  color: var(--text-primary);
}

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 20px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 48px;
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary-color);
  line-height: 1;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.hero-image {
  animation: fadeInRight 0.8s ease;
}

.image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #e0e7ff 0%, #ddd6fe 100%);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-weight: 600;
  text-align: center;
  padding: 24px;
  box-shadow: var(--shadow-xl);
}

.image-placeholder span {
  font-size: 18px;
  margin-bottom: 8px;
}

.image-placeholder p {
  font-size: 14px;
  font-weight: 400;
  color: var(--text-light);
}

.image-placeholder.small {
  aspect-ratio: 16/9;
  font-size: 16px;
}

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

.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
}

.section-title {
  font-size: 35px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.section-description {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.feature-card {
  background: white;
  padding: 32px;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 28px;
  height: 28px;
  color: white;
}

.feature-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.feature-description {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.benefits {
  padding: 80px 0;
}

.benefits-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.benefits-image {
  order: 2;
}

.benefits-text {
  order: 1;
}

.benefits-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-top: 32px;
}

.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.benefit-icon {
  width: 32px;
  height: 32px;
  background: var(--gradient-secondary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
}

.benefit-content h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.benefit-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.use-cases {
  padding: 80px 0;
  background-color: var(--bg-secondary);
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.use-case-card {
  background: white;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.use-case-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.use-case-image {
  width: 100%;
  height: 180px;
  overflow: hidden;
}

.use-case-title {
  font-size: 18px;
  font-weight: 700;
  padding: 20px 20px 8px;
  color: var(--text-primary);
}

.use-case-description {
  font-size: 14px;
  color: var(--text-secondary);
  padding: 0 20px 20px;
  line-height: 1.6;
}

.cta-section {
  padding: 100px 0;
  background: var(--gradient-primary);
  color: white;
  text-align: center;
}

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

.cta-title {
  font-size: 42px;
  font-weight: 700;
  margin-bottom: 20px;
}

.cta-description {
  font-size: 18px;
  margin-bottom: 32px;
  opacity: 0.95;
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 24px;
}

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

.cta-section .btn-secondary {
  background: transparent;
  color: white;
  border-color: white;
}

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

.cta-note {
  font-size: 14px;
  opacity: 0.9;
}

.footer {
  background-color: var(--bg-dark);
  color: white;
  padding: 60px 0 24px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
  margin-bottom: 48px;
}

.footer-title {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 16px;
}

.footer-text {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.7);
}

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

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

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

[data-aos] {
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
  opacity: 1;
}

[data-aos="fade-up"].aos-animate {
  transform: translateY(0);
}

[data-aos="fade-left"].aos-animate {
  transform: translateX(0);
}

[data-aos="zoom-in"].aos-animate {
  transform: scale(1);
}

@media (max-width: 1024px) {
  .hero-content,
  .benefits-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .benefits-image,
  .benefits-text {
    order: unset;
  }

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

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

  .hero-title {
    font-size: 42px;
  }

  .section-title {
    font-size: 36px;
  }
}

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

  .nav-links.active {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    padding: 24px;
    box-shadow: var(--shadow-lg);
    gap: 16px;
  }

  .mobile-menu-btn {
    display: flex;
  }

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

  .hero {
    padding: 100px 0 60px;
  }

  .hero-title {
    font-size: 36px;
  }

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

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

  .hero-stats {
    gap: 24px;
  }

  .section-title {
    font-size: 32px;
  }

  .cta-title {
    font-size: 32px;
  }

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

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

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

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

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

  .hero-stats {
    flex-direction: column;
    gap: 16px;
  }
}
