:root {
  --bg: #0a0a0a;
  --bg-secondary: #111111;
  --text: #e5e5e5;
  --text-secondary: #a0a0a0;
  --accent: #00d4ff;
  --accent-hover: #00b8e6;
  --border: #333333;
  --code-bg: #1a1a1a;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

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

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

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 4rem;
}

.logo {
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo-icon {
  width: 2rem;
  height: 2rem;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text);
}

.logo-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 400;
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 400;
  transition: color 0.2s;
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent);
}

/* Mobile menu button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  gap: 0.25rem;
}

.mobile-menu-btn span {
  width: 1.5rem;
  height: 2px;
  background: var(--text);
  transition: all 0.3s ease;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(0.375rem, 0.375rem);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(0.375rem, -0.375rem);
}

/* Hero */
.hero {
  padding: 6rem 0;
  text-align: center;
}

.hero-title {
  font-size: 4rem;
  font-weight: 600;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--text) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s;
  border: 1px solid transparent;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  color: var(--bg);
}

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

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

/* Features */
.features {
  padding: 6rem 0;
  background: var(--bg-secondary);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
}

.feature {
  text-align: center;
}

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

.feature h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

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

/* CTA Section */
.cta-section {
  padding: 6rem 0;
  text-align: center;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg) 100%);
}

.cta-section h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.cta-section p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 3rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.cta-actions {
  display: flex;
  justify-content: center;
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* Quick Start */
.quickstart {
  padding: 6rem 0;
}

.quickstart h2 {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 3rem;
}

.code-block {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  overflow-x: auto;
}

.code-block pre {
  padding: 2rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
  line-height: 1.5;
}

.code-block code {
  color: var(--text);
}

/* Page */
.page {
  padding: 4rem 0;
}

.page-header {
  margin-bottom: 3rem;
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
}

.page-description {
  font-size: 1.125rem;
  color: var(--text-secondary);
}

.page-content img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 2rem auto;
  border-radius: 30px;
  background-color: white;
}

.page-content {
  line-height: 1.7;
}

.page-content h2 {
  font-size: 1.875rem;
  margin: 3.5rem 0 1.5rem 0;
  font-weight: 600;
  letter-spacing: -0.025em;
}

.page-content h3 {
  font-size: 1.375rem;
  margin: 2.5rem 0 1rem 0;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.page-content p {
  margin-bottom: 1.75rem;
  color: var(--text-secondary);
  font-size: 1.0625rem;
}

.page-content a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s;
  font-weight: 500;
}

.page-content a:hover {
  border-bottom-color: var(--accent);
}

/* Global anchor styling for all content areas */
a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent-hover);
}

/* Specific styling for content links */
p a, li a, blockquote a, .tab-content a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

p a:hover, li a:hover, blockquote a:hover, .tab-content a:hover {
  border-bottom-color: var(--accent);
}

.page-content ul,
.page-content ol {
  margin: 1.75rem 0;
  padding-left: 2rem;
}

.page-content li {
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
  font-size: 1.0625rem;
  line-height: 1.7;
}

.page-content ul ul,
.page-content ol ol {
  margin: 0.5rem 0;
  padding-left: 1.5rem;
}

.page-content blockquote {
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--text-secondary);
}

.page-content strong {
  font-weight: 600;
  color: var(--text);
}

.page-content pre {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1.5rem;
  overflow-x: auto;
  margin: 1.5rem 0;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
}

.page-content code {
  background: var(--code-bg);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875rem;
}

.page-content pre code {
  background: none;
  padding: 0;
}

.page-list {
  margin-top: 3rem;
}

.page-item {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.page-item:last-child {
  border-bottom: none;
}

.page-item h3 {
  margin: 0 0 0.5rem 0;
}

.page-item a {
  color: var(--text);
  text-decoration: none;
}

.page-item a:hover {
  color: var(--accent);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  margin-top: 4rem;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

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

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

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
  
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  /* Mobile navigation */
  .mobile-menu-btn {
    display: flex;
  }
  
  .nav {
    position: fixed;
    top: 4rem;
    left: 0;
    right: 0;
    background: var(--bg);
    border-top: 1px solid var(--border);
    flex-direction: column;
    padding: 1rem;
    gap: 0;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 99;
  }
  
  .nav.nav-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
  
  .nav-link {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
    display: block;
  }
  
  .nav-link:last-child {
    border-bottom: none;
  }
  
  .footer-content {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .page-content h2 {
    font-size: 1.5rem;
  }
  
  .page-content h3 {
    font-size: 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
  }
  
  .page-header h1 {
    font-size: 2rem;
  }
}