body {
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #1a1a1a; /* Very dark gray background */
    color: #e0e0e0; /* Light gray text for readability */
}

header {
    background-color: #2c2c2c; /* Darker gray for the header */
    color: white;
    padding: 2em;
    text-align: center;
    border-bottom: 3px solid #009688; /* Teal accent border */
}

nav {
    background-color: #004d40; /* Dark Teal for the navbar */
    padding: 1em;
    text-align: center;
}

nav a {
    color: white;
    margin: 0 1em;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s; /* Smooth transition on hover */
}

nav a:hover {
    color: #b2dfdb; /* Lighter teal for hover effect */
    text-decoration: none;
}

main {
    max-width: 800px;
    margin: 2em auto;
    padding: 0 1em;
}

section {
    background-color: #242424; /* A slightly lighter gray for content sections */
    padding: 1.5em;
    margin-bottom: 2em;
    border-radius: 8px;
    border: 1px solid #333; /* Subtle border for definition */
}

section h2 {
    color: #009688; /* Teal accent for section headers */
}

a {
    color: #009688; /* Teal for all links */
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
    color: #00796b; /* A darker teal for link hover */
}

pre {
    background-color: #1a1a1a;
    color: #d0d0d0;
    padding: 1em;
    border-radius: 5px;
    border: 1px solid #333;
    overflow-x: auto; /* For long code lines */
}

code {
    font-family: 'Courier New', Courier, monospace;
}

ul {
    line-height: 1.6;
}

footer {
    text-align: center;
    padding: 1em;
    background-color: #2c2c2c;
    font-size: 0.9em;
    border-top: 1px solid #333;
}