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

/* Body */
body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header */
header {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 20px;
    width: 100%;
    z-index: 10;
    position: relative;
}

h1 {
    font-size: 2.5rem;
}

/* Navigation */
nav {
    position: fixed;
    left: 0;
    top: 0;
    width: 25%;
    height: 90vh;
    background-color: #444;
    padding-top: 100px; /* Space from top */
    padding-left: 20px;
    padding-right: 20px;
    z-index: 5;
    overflow: auto;
}

nav ul {
    list-style: none;
}

nav ul li {
    margin-bottom: 10px;
}

nav ul li a {
    color: white;
    text-decoration: none;
    font-size: 1.2rem;
    display: block;
    padding: 15px;
}

nav ul li a:hover {
    color: #ff6347; /* Change color when hovered */
}

/* Main Content */
main {
    margin-left: 25%; /* Space for the fixed navigation */
    padding: 20px;
    width: 75%;
    min-height: 80vh; /* Ensure it has a minimum height */
}

/* Footer */
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 15px;
    width: 100%;
    margin-top: auto; /* Push it to the bottom */
    z-index: 10;
    position: relative;
}

/* Two Column Layout */
@media (min-width: 768px) {
    main {
        width: 70%;
        margin-left: 25%; /* Adjust space for navigation */
        padding-bottom: 10%;
    }

    nav {
        width: 25%;
        position: fixed;
        top: 0;
        left: 0;
        z-index: 5;
    }
}