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

:root {
  --primary-color: #10a37f;
  --secondary-color: #1a7f64;
  --dark-bg: #0d1117;
  --darker-bg: #010409;
  --light-bg: #161b22;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --accent: #58a6ff;
  --border-color: #30363d;
  --card-bg: #0d1117;
  --gradient-start: #10a37f;
  --gradient-end: #1a7f64;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
    'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: var(--darker-bg);
  color: var(--text-primary);
  line-height: 1.6;
}

/* Header & Navigation */
header {
  background: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-bg) 100%);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
  font-weight: 500;
}

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

/* Hero Section */
.hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 6rem 2rem;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, var(--gradient-start), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

.hero p {
  font-size: 1.3rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 2rem;
  line-height: 1.8;
}

.cta-button {
  display: inline-block;
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  color: white;
  padding: 1rem 2.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(16, 163, 127, 0.3);
}

/* Main Content */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
}

section {
  margin-bottom: 5rem;
}

h2 {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
  font-weight: 700;
}

h3 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-weight: 600;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

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

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 2rem;
  transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: 0 10px 30px rgba(16, 163, 127, 0.15);
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

.card p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 1rem;
}

/* Feature List */
.feature-list {
  list-style: none;
  margin: 2rem 0;
}

.feature-list li {
  padding: 1.5rem;
  margin-bottom: 1rem;
  background: var(--light-bg);
  border-left: 4px solid var(--primary-color);
  border-radius: 8px;
  transition: transform 0.3s ease;
}

.feature-list li:hover {
  transform: translateX(10px);
  background: var(--card-bg);
}

.feature-list strong {
  color: var(--primary-color);
  font-size: 1.2rem;
  display: block;
  margin-bottom: 0.5rem;
}

/* Content Sections */
.content-section {
  background: var(--light-bg);
  padding: 3rem;
  border-radius: 12px;
  margin-bottom: 3rem;
  border: 1px solid var(--border-color);
}

.content-section h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
}

/* Highlight Box */
.highlight-box {
  background: linear-gradient(135deg, rgba(16, 163, 127, 0.1), rgba(88, 166, 255, 0.1));
  border: 1px solid var(--primary-color);
  border-radius: 12px;
  padding: 2rem;
  margin: 2rem 0;
}

.highlight-box h3 {
  color: var(--accent);
  margin-bottom: 1rem;
}

/* Footer */
footer {
  background: var(--dark-bg);
  border-top: 1px solid var(--border-color);
  padding: 3rem 2rem;
  margin-top: 5rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  text-align: center;
}

.footer-content p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

/* Two Column Layout */
.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin: 3rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
  nav ul {
    gap: 1rem;
    font-size: 0.9rem;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

  h2 {
    font-size: 2rem;
  }

  .cards-grid {
    grid-template-columns: 1fr;
  }

  .two-column {
    grid-template-columns: 1fr;
  }

  nav {
    flex-direction: column;
    gap: 1rem;
  }

  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease-out;
}

/* Table Styles */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--card-bg);
  border-radius: 8px;
  overflow: hidden;
}

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

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

tr:hover {
  background: var(--light-bg);
}

/* Code Blocks */
code {
  background: var(--light-bg);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  color: var(--accent);
  font-family: 'Courier New', monospace;
}