:root {
  --primary-color: #4CAF50;
  --light-gray: #f9f9f9;
  --dark-text: #333;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: var(--dark-text);
  background-color: white;
  line-height: 1.6;
}

header {
  background: var(--primary-color);
  color: white;
  padding: 2rem 1rem;
}

header h1 {
  margin: 0;
  font-size: 2rem;
}

nav {
  background: white;
  padding: 1rem;
  border-bottom: 1px solid #ddd;
}

nav a {
  color: var(--primary-color);
  text-decoration: none;
  margin: 0 1rem;
  font-weight: bold;
  transition: color 0.3s;
}

nav a:hover {
  color: #388E3C;
}

main {
  max-width: 800px;
  margin: auto;
  padding: 2rem 1rem;
}

section {
  margin-bottom: 2rem;
}

h2 {
  color: var(--primary-color);
}

a {
  color: #007BFF;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.social-links a {
  display: inline-block;
  margin: 0.5rem;
}

footer {
  background: var(--light-gray);
  text-align: center;
  padding: 1rem;
  margin-top: 3rem;
  font-size: 0.9rem;
  color: #666;
}

@media (max-width: 600px) {
  nav a {
    display: block;
    margin: 0.5rem 0;
  }
}