:root {
  --clr-bg: #f4f4f4;
}

html,body{margin:0;padding:0;height:100%;}
body{
  font-family:Arial,Helvetica,sans-serif;
  background:var(--clr-bg);
  color:#111;
  min-height:100vh;
  display:flex;
  flex-direction:column;
}

header {
    background-color: #2c3e50;
    color: white;
    padding: 1rem;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

header h1 {
    margin: 0;
    font-size: 2rem; /* Reduced for mobile */
    text-shadow: 1px 1px 2px rgba(0,0,0,0.2);
}

.global-nav {
    background-color: #34495e;
    padding: 0.5rem;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.global-nav a {
    color: white;
    text-decoration: none;
    font-size: 1rem;
}

.global-nav a:hover {
    text-decoration: underline;
}

footer {
    background-color: #2c3e50;
    color: white;
    text-align: center;
    padding: 0.5rem;
    font-size: 0.9rem;
    width: 100%;
}