:root {
  --color-primary: #6366f1;
  --color-primary-dark: #4f46e5;
  --color-bg: #ffffff;
  --color-bg-secondary: #f8fafc;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-border: #e2e8f0;
  --color-code-bg: #f1f5f9;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Monaco', 'Menlo', monospace;
}

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

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  line-height: 1.6;
  background: var(--color-bg);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
}

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

nav {
  display: flex;
  gap: 28px;
}

nav a {
  color: var(--color-text-light);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: color 0.2s;
}

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

nav .github-link {
  color: var(--color-text-light);
}

/* Main content */
main {
  padding: 48px 0 80px;
  min-height: calc(100vh - 180px);
}

/* Typography */
h1 {
  font-size: 2.25rem;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.2;
}

h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 48px;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-border);
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-top: 32px;
  margin-bottom: 12px;
}

p {
  margin-bottom: 16px;
}

a {
  color: var(--color-primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Code blocks */
pre {
  background: #1e293b;
  color: #e2e8f0;
  padding: 20px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 16px 0 24px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
}

:not(pre) > code {
  background: var(--color-code-bg);
  padding: 2px 6px;
  border-radius: 4px;
  color: var(--color-primary-dark);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 24px;
}

th, td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

th {
  background: var(--color-bg-secondary);
  font-weight: 600;
}

/* Lists */
ul, ol {
  margin: 16px 0;
  padding-left: 24px;
}

li {
  margin-bottom: 8px;
}

/* Hero section */
.hero {
  text-align: center;
  padding: 60px 0;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 16px;
}

.hero p {
  font-size: 1.25rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto 32px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
}

.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 500;
  text-decoration: none;
  transition: all 0.2s;
}

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

.btn-primary:hover {
  background: var(--color-primary-dark);
  text-decoration: none;
}

.btn-secondary {
  background: var(--color-bg-secondary);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-border);
  text-decoration: none;
}

/* Demo container */
.demo-container {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  margin: 24px 0;
  overflow: hidden;
}

.demo-frame {
  width: 100%;
  height: 450px;
  border: none;
}

#hero-animation {
  width: 100%;
  max-width: 900px;
  height: 500px;
  margin: 32px auto;
  background: var(--color-bg-secondary);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

#hero-animation svg {
  pointer-events: none;
  cursor: default;
}

/* Feature grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin: 40px 0;
}

.feature {
  background: var(--color-bg-secondary);
  padding: 24px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.feature h3 {
  margin-top: 0;
  margin-bottom: 8px;
}

.feature p {
  color: var(--color-text-light);
  margin-bottom: 0;
  font-size: 0.9375rem;
}

/* Sidebar layout for docs */
.docs-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 48px;
}

.docs-sidebar {
  position: sticky;
  top: 80px;
  height: fit-content;
}

.docs-sidebar ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.docs-sidebar li {
  margin-bottom: 4px;
}

.docs-sidebar a {
  display: block;
  padding: 8px 12px;
  color: var(--color-text-light);
  border-radius: 4px;
  font-size: 14px;
}

.docs-sidebar a:hover,
.docs-sidebar a.active {
  color: var(--color-primary);
  background: var(--color-bg-secondary);
  text-decoration: none;
}

/* Footer */
footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  text-align: center;
  color: var(--color-text-light);
  font-size: 14px;
}

footer a {
  color: var(--color-text-light);
}

/* Blockquote */
blockquote {
  border-left: 3px solid var(--color-primary);
  padding-left: 16px;
  margin: 16px 0;
  color: var(--color-text-light);
}

/* Responsive */
@media (max-width: 768px) {
  nav {
    gap: 16px;
  }

  h1 {
    font-size: 1.75rem;
  }

  .hero h1 {
    font-size: 2.25rem;
  }

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

  .docs-layout {
    grid-template-columns: 1fr;
  }

  .docs-sidebar {
    position: static;
  }
}