:root {
  --bg-color: #0d1117;
  --text-color: #c9d1d9;
  --primary-color: #58a6ff;
  --secondary-bg: #161b22;
  --border-color: #30363d;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
  flex: 1;
}

header {
  padding: 40px 0;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

h1 {
  font-size: 2.5rem;
  color: #c9d1d9;
  margin-bottom: 10px;
}

h2 {
  font-size: 1.8rem;
  color: #c9d1d9;
  margin-bottom: 15px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 5px;
}

h3 {
  font-size: 1.2rem;
  color: #c9d1d9;
  margin-bottom: 10px;
}

p {
  margin-bottom: 15px;
  color: #8b949e;
}

.hero {
  padding: 60px 0;
  text-align: center;
}

.hero p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto 30px auto;
}

.btn {
  display: inline-block;
  background-color: #238636;
  color: #ffffff;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  border: 1px solid rgba(240, 246, 252, 0.1);
  transition: background-color 0.2s;
}

.btn:hover {
  background-color: #2ea043;
}

.features {
  padding: 40px 0;
}

.feature-card {
  background-color: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 20px;
  margin-bottom: 20px;
}

.feature-card h3 {
  color: var(--primary-color);
}

.content-section {
  padding: 40px 0;
  background-color: var(--secondary-bg);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 30px;
  margin-top: 40px;
  margin-bottom: 40px;
}

.content-section h1 {
  font-size: 2rem;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.content-section ul {
  margin-left: 20px;
  margin-bottom: 15px;
  color: #8b949e;
}

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

.content-section a:hover {
  text-decoration: underline;
}

footer {
  text-align: center;
  padding: 20px 0;
  border-top: 1px solid var(--border-color);
  margin-top: 40px;
  color: #8b949e;
  font-size: 0.9rem;
}

footer a {
  color: var(--primary-color);
  text-decoration: none;
  margin: 0 10px;
}

footer a:hover {
  text-decoration: underline;
}

.nav-links {
  margin-bottom: 20px;
}

.nav-links a {
  color: var(--primary-color);
  text-decoration: none;
}
.nav-links a:hover {
  text-decoration: underline;
}