:root {
  --primary: #2563eb;
  --primary-dark: #1e40af;
  --secondary: #8b5cf6;
  --accent: #06b6d4;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --text: #1e293b;
  --text-light: #64748b;
  --border: #e2e8f0;
  --code-bg: #f1f5f9;
  --success: #10b981;
  --warning: #f59e0b;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f172a;
    --bg-alt: #1e293b;
    --text: #f1f5f9;
    --text-light: #94a3b8;
    --border: #334155;
    --code-bg: #1e293b;
  }
}

* {
  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);
  background: var(--bg);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.hero {
  padding: 4rem 0;
  text-align: center;
  background: linear-gradient(135deg, var(--bg) 0%, var(--bg-alt) 100%);
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero .tagline {
  font-size: 1.5rem;
  color: var(--text-light);
  margin-bottom: 2rem;
}

.hero .subtitle {
  font-size: 1.25rem;
  color: var(--text);
  max-width: 800px;
  margin: 0 auto 3rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn {
  padding: 0.875rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-block;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 2px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.section {
  padding: 4rem 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
}

.problem-solution {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-bottom: 4rem;
}

.card {
  background: var(--bg-alt);
  padding: 2rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card ul {
  list-style: none;
  padding-left: 0;
}

.card li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.card li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.feature {
  text-align: center;
  padding: 2rem;
}

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

.feature h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature p {
  color: var(--text-light);
}

.diagram {
  margin: 3rem 0;
  padding: 2rem;
  background: var(--bg-alt);
  border-radius: 1rem;
  border: 1px solid var(--border);
}

.diagram svg {
  width: 100%;
  height: auto;
  max-width: 800px;
  margin: 0 auto;
  display: block;
}

.code-example {
  background: var(--code-bg);
  padding: 1.5rem;
  border-radius: 0.5rem;
  margin: 1.5rem 0;
  overflow-x: auto;
  border: 1px solid var(--border);
}

.code-example pre {
  font-family: 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
}

.install-section {
  background: var(--primary);
  color: white;
  padding: 3rem 0;
  text-align: center;
  margin: 4rem 0;
  border-radius: 1rem;
}

.install-section h2 {
  margin-bottom: 1.5rem;
}

.install-code {
  background: rgba(0, 0, 0, 0.2);
  padding: 1rem 2rem;
  border-radius: 0.5rem;
  display: inline-block;
  font-family: 'Courier New', monospace;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

footer {
  background: var(--bg-alt);
  padding: 2rem 0;
  text-align: center;
  border-top: 1px solid var(--border);
  margin-top: 4rem;
}

.footer-links {
  display: flex;
  gap: 2rem;
  justify-content: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-light);
  text-decoration: none;
}

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

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  
  .hero .tagline {
    font-size: 1.25rem;
  }
  
  .hero .subtitle {
    font-size: 1.125rem;
  }
  
  .problem-solution {
    grid-template-columns: 1fr;
  }
  
  .features {
    grid-template-columns: 1fr;
  }
  
  .section-title {
    font-size: 2rem;
  }
}