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

:root {
  --primary: #0066cc;
  --primary-dark: #0052a3;
  --secondary: #6c757d;
  --success: #28a745;
  --warning: #ffc107;
  --danger: #dc3545;
  --light: #f8f9fa;
  --dark: #212529;
  --text: #333;
  --border: #dee2e6;
}

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

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

/* Navigation */
nav {
  background: white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

nav .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 20px;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--primary);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-weight: 500;
  transition: color 0.3s;
}

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

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 6rem 0;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.notice {
  background: rgba(255, 255, 255, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 8px;
  padding: 1rem 1.5rem;
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s;
  cursor: pointer;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
}

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

.btn-secondary:hover {
  background: var(--light);
}

.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}

.btn-outline:hover {
  background: var(--primary);
  color: white;
}

/* Features Section */
.features {
  padding: 5rem 0;
  background: white;
}

.features h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: box-shadow 0.3s;
}

.feature:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.feature h3 {
  margin-bottom: 1rem;
  color: var(--dark);
}

/* Use Cases */
.use-cases {
  padding: 5rem 0;
  background: var(--light);
}

.use-cases h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.use-case-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.use-case {
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.use-case h3 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}

/* BYOK Section */
.byok-section {
  padding: 5rem 0;
  background: #fff5e6;
}

.byok-section h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.byok-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.byok-info ul,
.byok-benefits ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.byok-info li,
.byok-benefits li {
  margin: 0.5rem 0;
}

.highlight {
  background: white;
  padding: 1rem;
  border-left: 4px solid var(--warning);
  margin-top: 1rem;
  border-radius: 4px;
}

/* Pricing Section */
.pricing {
  padding: 5rem 0;
  background: white;
}

.pricing h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.pricing-subtitle {
  text-align: center;
  font-size: 1.1rem;
  color: var(--secondary);
  margin-bottom: 3rem;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.plan {
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  position: relative;
  transition:
    transform 0.3s,
    box-shadow 0.3s;
}

.plan:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.plan.featured {
  border-color: var(--primary);
  box-shadow: 0 4px 16px rgba(0, 102, 204, 0.2);
}

.badge {
  position: absolute;
  top: -12px;
  right: 20px;
  background: var(--primary);
  color: white;
  padding: 0.25rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.plan-header {
  text-align: center;
  margin-bottom: 1.5rem;
}

.plan h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.price {
  margin: 1rem 0;
}

.amount {
  font-size: 2.5rem;
  font-weight: bold;
  color: var(--dark);
}

.period {
  font-size: 1rem;
  color: var(--secondary);
}

.plan-desc {
  color: var(--secondary);
  margin-bottom: 1.5rem;
}

.plan-features ul {
  list-style: none;
  margin: 1.5rem 0;
}

.plan-features li {
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--light);
}

.plan .btn {
  width: 100%;
  margin-top: 1rem;
  text-align: center;
}

.pricing-note {
  text-align: center;
  color: var(--secondary);
  max-width: 800px;
  margin: 2rem auto;
  padding: 1rem;
  background: var(--light);
  border-radius: 8px;
}

/* Quick Start */
.quickstart {
  padding: 5rem 0;
  background: var(--light);
}

.quickstart h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.install-steps {
  max-width: 900px;
  margin: 0 auto;
}

.step {
  display: flex;
  gap: 2rem;
  margin-bottom: 3rem;
  background: white;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.step-number {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
}

.step-content h3 {
  margin-bottom: 1rem;
  color: var(--dark);
}

.step-content ul {
  margin: 0.5rem 0;
  padding-left: 1.5rem;
}

pre {
  background: #2d2d2d;
  color: #f8f8f2;
  padding: 1rem;
  border-radius: 6px;
  overflow-x: auto;
  margin: 1rem 0;
}

code {
  font-family: "Courier New", monospace;
  font-size: 0.9rem;
}

/* FAQ */
.faq {
  padding: 5rem 0;
  background: white;
}

.faq h2 {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.faq-item {
  padding: 1.5rem;
  background: var(--light);
  border-radius: 8px;
}

.faq-item h3 {
  margin-bottom: 0.5rem;
  color: var(--primary);
}

/* Footer */
footer {
  background: var(--dark);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
}

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

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .subtitle {
    font-size: 1.2rem;
  }

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

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

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

  .step {
    flex-direction: column;
  }

  .nav-links {
    gap: 1rem;
    font-size: 0.9rem;
  }
}