/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

/* Apply a gradient background to the body */
body {
    margin: 0;
    font-family: 'Roboto', sans-serif; /* Use a modern font */
    background: linear-gradient(135deg, #6a11cb, #2575fc); /* Purple to Blue gradient */
    background-size: cover; /* Ensure the background covers the entire viewport */
    background-repeat: no-repeat; /* Prevent the background from repeating */
    color: #f0f0f0; /* Set text color to a lighter shade for better contrast */
    padding: 20px;
    min-height: 100vh; /* Ensure the body takes at least the full height of the viewport */
    background-image: url('background.jpg'); /* Optional: Add a study-related background image */
    background-blend-mode: overlay; /* Blend the gradient and image */
}

/* Style the main heading */
h1 {
    text-align: center;
    font-size: 3em; /* Increase font size for prominence */
    margin-bottom: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5); /* Add a shadow for depth */
}

/* Style the navigation */
nav {
    background-color: rgba(0, 0, 0, 0.7); /* Darker semi-transparent background */
    border-radius: 10px; /* Rounded corners */
    padding: 20px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3); /* Add shadow for depth */
}

/* Style the navigation list */
nav ul {
    list-style-type: none; /* Remove default list styling */
    padding: 0; /* Remove padding */
}

/* Style the navigation links */
nav a {
    text-decoration: none; /* Remove underline */
    color: #f0f0f0; /* Link color */
    font-size: 1.2em; /* Increase font size */
    display: block; /* Make links block elements */
    padding: 10px 15px; /* Add padding */
    border-radius: 5px; /* Rounded corners for links */
    transition: background-color 0.3s, transform 0.2s; /* Smooth transition for hover effect */
}

/* Change link background color on hover */
nav a:hover {
    background-color: rgba(255, 255, 255, 0.2); /* Lighten background on hover */
    transform: scale(1.05); /* Slightly enlarge on hover */
}

/* Style for numbered links */
.number-link {
    font-weight: bold; /* Make numbered links bold */
}

/* Additional styles for section headings */
h2 {
    font-size: 2em; /* Size for subsection headings */
    margin-top: 20px;
    margin-bottom: 10px;
    text-align: left; /* Align to the left */
    color: #ffffff; /* White color for visibility */
}

/* Style for paragraphs */
p {
    line-height: 1.6; /* Increase line height for readability */
    margin-bottom: 15px; /* Space between paragraphs */
}

/* Add a footer style */
footer {
    text-align: center;
    margin-top: 40px;
    font-size: 0.9em;
    color: #d0d0d0; /* Lighter text color for footer */
}