@charset "UTF-8";
:root {
  --color-bg: #0d1117;
  --color-bg-secondary: #161b22;
  --color-text: #f0f6fc;
  --color-text-secondary: #8b949e;
  --color-accent: #58a6ff;
  --color-accent-hover: #79c0ff;
  --color-success: #3fb950;
  --color-border: #30363d;
  --color-code-bg: #161b22;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  --font-family-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, "Courier New", monospace;
  --container-width: 1200px;
  --border-radius: 8px;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 2rem;
}
@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  margin-bottom: 1rem;
  font-weight: 700;
}

h1 {
  font-size: 2.5rem;
}
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }
}

h2 {
  font-size: 1.875rem;
  color: var(--color-accent);
}
@media (max-width: 768px) {
  h2 {
    font-size: 1.5rem;
  }
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-bottom: 1.5rem;
  color: var(--color-text-secondary);
}
p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color 0.2s ease;
}
a:hover {
  color: var(--color-accent-hover);
}

code {
  background: var(--color-code-bg);
  padding: 0.2em 0.4em;
  border-radius: 4px;
  font-family: var(--font-family-mono);
  font-size: 0.875em;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

hr {
  border: none;
  height: 1px;
  background: var(--color-border);
  margin: 3rem 0;
}

.site-header {
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}
.site-header .header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
@media (max-width: 768px) {
  .site-header .header-content {
    flex-direction: column;
    gap: 1rem;
  }
}
.site-header .logo {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}
.site-header .logo h1 {
  font-size: 1.75rem;
  margin: 0;
  font-weight: 800;
  background: linear-gradient(135deg, var(--color-accent), var(--color-success));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
.site-header .logo .tagline {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-weight: 500;
}
.site-header .main-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}
.site-header .main-nav .nav-link {
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  font-weight: 500;
  transition: all 0.2s ease;
}
.site-header .main-nav .nav-link:hover {
  background: var(--color-border);
}
.site-header .main-nav .nav-link.cta {
  background: var(--color-accent);
  color: white;
}
.site-header .main-nav .nav-link.cta:hover {
  background: var(--color-accent-hover);
  transform: translateY(-1px);
}

.main-content {
  padding: 4rem 0;
  min-height: calc(100vh - 200px);
}

.hero-section {
  text-align: center;
  margin-bottom: 4rem;
}
.hero-section h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--color-text), var(--color-accent));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
@media (max-width: 768px) {
  .hero-section h1 {
    font-size: 2.5rem;
  }
}
.hero-section h1 strong {
  color: var(--color-accent);
  font-weight: 900;
}
.hero-section p {
  font-size: 1.25rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.feature-section {
  margin-bottom: 3rem;
}
.feature-section h2 {
  margin-bottom: 1rem;
}
.feature-section h2 strong {
  font-weight: 900;
}
.feature-section p {
  font-size: 1.125rem;
}

ul {
  list-style: none;
  margin: 2rem 0;
}
ul li {
  margin-bottom: 1rem;
  padding-left: 1.5rem;
  position: relative;
  color: var(--color-text-secondary);
}
ul li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-accent);
  font-weight: bold;
}
ul li strong {
  color: var(--color-text);
}

.cta-section {
  text-align: center;
  padding: 3rem 2rem;
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
  margin: 4rem 0;
}
.cta-section p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
}
.cta-section .cta-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
}
@media (max-width: 768px) {
  .cta-section .cta-links {
    flex-direction: column;
    align-items: center;
  }
}
.cta-section .cta-links a {
  display: inline-block;
  padding: 0.875rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
}
.cta-section .cta-links a:first-child {
  background: var(--color-accent);
  color: white;
}
.cta-section .cta-links a:first-child:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.cta-section .cta-links a:last-child {
  border: 1px solid var(--color-border);
  color: var(--color-text);
}
.cta-section .cta-links a:last-child:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

footer {
  text-align: center;
  padding: 2rem 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}
footer a {
  color: var(--color-text-secondary);
  text-decoration: underline;
  text-underline-offset: 2px;
}
footer a:hover {
  color: var(--color-accent);
}
footer .footer-built-with {
  margin-top: 0.5rem;
  font-size: 0.8rem;
}

@media (max-width: 768px) {
  .main-content {
    padding: 2rem 0;
  }
  .feature-section {
    margin-bottom: 2rem;
  }
}