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

:root {
  --primary-color: #10b981;
  --primary-dark: #059669;
  --bg-dark: #0f172a;
  --bg-darker: #0a0f1a;
  --text-light: #f1f5f9;
  --text-muted: #cbd5e1;
  --border-color: #1e293b;
  --card-bg: #1e293b;
  --accent-red: #ef4444;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  background-color: var(--bg-dark);
  color: var(--text-light);
  line-height: 1.6;
}

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

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--text-light);
}

.nav {
  display: flex;
  gap: 30px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.3s ease;
  font-size: 14px;
}

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

/* Hero Section */
.hero {
  padding: 80px 0;
  background: linear-gradient(135deg, #0f172a 0%, #1a2d4d 100%);
  border-bottom: 1px solid var(--border-color);
}

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

.hero-text h1 {
  font-size: 52px;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-light);
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 30px;
  line-height: 1.7;
}

.cta-button {
  display: inline-block;
  padding: 14px 40px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-align: center;
}

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

.cta-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(16, 185, 129, 0.3);
}

.hero-illustration {
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Examples Section */
.examples {
  padding: 80px 0;
  background-color: var(--bg-dark);
}

.examples h2,
.steps h2,
.pricing h2,
.limits h2,
.faq h2 {
  font-size: 44px;
  margin-bottom: 60px;
  text-align: center;
  color: var(--text-light);
}

.examples-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.example-card {
  background: var(--card-bg);
  padding: 40px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
  text-align: center;
}

.example-card:hover {
  border-color: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(16, 185, 129, 0.1);
}

.example-icon {
  margin-bottom: 20px;
  display: flex;
  justify-content: center;
}

.example-card h3 {
  font-size: 20px;
  margin-bottom: 15px;
  color: var(--text-light);
}

.example-card p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* Steps Section */
.steps {
  padding: 80px 0;
  background: linear-gradient(135deg, #0a0f1a 0%, #0f172a 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.steps-timeline {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
}

.step {
  text-align: center;
}

.step-number {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.step h3 {
  font-size: 18px;
  margin-bottom: 15px;
  color: var(--text-light);
}

.step p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* Pricing Section */
.pricing {
  padding: 80px 0;
  background-color: var(--bg-dark);
}

.pricing-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
}

.pricing-item {
  background: var(--card-bg);
  padding: 40px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
}

.pricing-item h3 {
  font-size: 22px;
  margin-bottom: 15px;
  color: var(--text-light);
}

.price {
  font-size: 36px;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.pricing-item p {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 14px;
  line-height: 1.7;
}

.pricing-list {
  list-style: none;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
}

.pricing-list li {
  color: var(--text-muted);
  margin-bottom: 10px;
  font-size: 14px;
}

.pricing-list strong {
  color: var(--text-light);
}

/* Limits Section */
.limits {
  padding: 80px 0;
  background: linear-gradient(135deg, #0a0f1a 0%, #0f172a 100%);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.limits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 30px;
}

.limit-card {
  background: var(--card-bg);
  padding: 40px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  text-align: center;
}

.limit-icon {
  display: flex;
  justify-content: center;
  margin-bottom: 20px;
}

.limit-card h3 {
  font-size: 18px;
  margin-bottom: 15px;
  color: var(--text-light);
}

.limit-card p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

/* FAQ Section */
.faq {
  padding: 80px 0;
  background-color: var(--bg-dark);
}

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

.faq-item {
  margin-bottom: 20px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px;
  background: var(--card-bg);
  border: none;
  color: var(--text-light);
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background-color 0.3s ease;
}

.faq-question:hover {
  background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
}

.faq-question span {
  text-align: left;
}

.faq-icon {
  color: var(--primary-color);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
}

.faq-question.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: rgba(16, 185, 129, 0.05);
}

.faq-answer.show {
  max-height: 300px;
  padding: 20px;
  border-top: 1px solid var(--border-color);
}

.faq-answer p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* CTA Footer Section */
.cta-footer {
  padding: 80px 0;
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  text-align: center;
}

.cta-footer h2 {
  font-size: 44px;
  margin-bottom: 20px;
  color: white;
}

.cta-footer p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 30px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-footer .cta-button {
  background-color: white;
  color: var(--primary-color);
}

.cta-footer .cta-button:hover {
  background-color: #f0fdf4;
}

/* Footer */
.footer {
  background: var(--bg-darker);
  padding: 60px 0 20px;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h4 {
  font-size: 16px;
  margin-bottom: 15px;
  color: var(--text-light);
}

.footer-section p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.6;
}

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

.footer-section ul li {
  margin-bottom: 10px;
}

.footer-section a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.3s ease;
}

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

.version-badge {
  display: inline-block;
  background: var(--primary-color);
  color: white;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  margin-left: 10px;
}

.footer-bottom {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid var(--border-color);
  color: var(--text-muted);
  font-size: 14px;
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero .container {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 40px 0;
  }

  .hero-text h1 {
    font-size: 36px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .nav {
    gap: 15px;
    font-size: 12px;
  }

  .examples h2,
  .steps h2,
  .pricing h2,
  .limits h2,
  .faq h2 {
    font-size: 32px;
  }

  .steps-timeline {
    grid-template-columns: 1fr;
  }

  .cta-footer h2 {
    font-size: 32px;
  }

  .hero-illustration {
    display: none;
  }
}

@media (max-width: 480px) {
  .hero {
    padding: 40px 0;
  }

  .hero-text h1 {
    font-size: 28px;
  }

  .examples,
  .steps,
  .pricing,
  .limits,
  .faq,
  .cta-footer {
    padding: 50px 0;
  }

  .examples h2,
  .steps h2,
  .pricing h2,
  .limits h2,
  .faq h2 {
    font-size: 24px;
    margin-bottom: 30px;
  }

  .example-card,
  .pricing-item,
  .limit-card {
    padding: 25px;
  }

  .cta-footer h2 {
    font-size: 24px;
  }

  .cta-footer p {
    font-size: 16px;
  }

  .nav {
    gap: 10px;
    font-size: 11px;
  }
}