/* Global Styles */
html, body {
  margin: 0;
  padding: 0;
  font-family: 'Arial', sans-serif;
  background-color: #f5f5f5;
  width: 100%;
  min-height: 100vh; /* Ensure full height */
  box-sizing: border-box;
}

/* Ensure all elements respect box-sizing */
*,
*::before,
*::after {
  box-sizing: inherit;
}

header {
  background-color: #004d00;
  color: white;
  padding: 15px;
  text-align: center;
  width: 100%;
}

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

nav {
  background-color: #003300; /* Added background for better visibility */
  padding: 10px 0;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: center;
}

nav ul li {
  display: inline-block;
  margin: 0 15px; /* Increased margin for better spacing */
}

nav ul li a {
  text-decoration: none;
  color: white;
  font-weight: bold;
  transition: color 0.3s ease-in-out;
}

nav ul li a:hover, 
nav ul li a.active {
  color: #00ff00;
}

main {
  padding: 20px;
  max-width: 900px;
  margin: 0 auto;
}

/* Responsive */
@media (max-width: 600px) {
  header h1 {
    font-size: 1.5rem;
  }
  
  nav ul {
    padding: 0;
  }

  nav ul li {
    display: block;
    margin: 8px 0;
  }
}