* {
    box-sizing: border-box;
}
body {
    font-family: "Geist Mono";
    line-height: 1.6;
    background-color: #f4f0e0; /* light beige background */
    background-image: radial-gradient(rgba(150, 150, 150, 0.2) 1px, transparent 1px);
    background-size: 15px 15px;
    color: #333;
    margin: 0;
    padding: 20px;
}

main {
    max-width: 650px;
    width: 95%;
    margin: 20px auto;
    padding: 20px;
    background-color: #efe8d5; /* darker beige background */
    border: 2px solid #333;
    box-shadow: 7px 7px 0px #333;
    position: relative;
}
header {
    border-bottom: 2px solid #333;
    margin-bottom: 20px;
    padding-bottom: 10px;
}

main {
    position: relative;
    z-index: 1;
}
h1, h2, h3 {
    font-weight: bold;
    word-wrap: break-word;
}
h1 {
    font-size: clamp(1.8em, 5vw, 2.5em);
    margin-bottom: 10px;
}
h2 {
    font-size: clamp(1.4em, 4vw, 1.8em);
    margin-top: 30px;
    border-bottom: 1px dashed #333;
    padding-bottom: 5px;
}
p, li {
    font-size: clamp(0.9em, 3vw, 1em);
}
a {
    color: #8b0000; /* dark red */
    text-decoration: none;
    border-bottom: 1px dotted #8b0000;
    word-break: break-word;
}
a:hover, a:active {
    background-color: #8b0000;
    color: #f5f5dc;
}
ul {
    list-style-type: square;
    padding-left: 20px;
}
footer {
    margin-top: 40px;
    padding-top: 10px;
    border-top: 2px solid #333;
    font-size: clamp(0.8em, 2.5vw, 0.9em);
    text-align: center;
}
.ascii-art {
    font-size: 0.8em;
    white-space: pre;
    line-height: 1.2;
    margin: 20px 0;
    overflow-x: auto;
}
@media (max-width: 480px) {
    main {
        margin: 10px auto;
        padding: 15px;
        box-shadow: 4px 4px 0px #333;
    }
    ul {
        padding-left: 15px;
    }
    body {
        padding: 10px;
    }
}