/* Base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
}

body {
    font-family: 'SF Mono', 'Roboto Mono', monospace, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 12.8px;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    background-color: #fafafa;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
}

h1, h2, h3 {
    font-family: 'SF Mono', 'Roboto Mono', monospace;
    font-weight: 500;
    margin-bottom: 1rem;
}

h1 {
    font-size: 1.6rem;
}

h2 {
    font-size: 1.2rem;
    margin-top: 2rem;
}

p {
    margin-bottom: 1rem;
}

a {
    color: #333;
    text-decoration: none;
    border-bottom: 1px solid #333;
    transition: border-bottom 0.2s ease;
}

a:hover {
    border-bottom: 2px solid #333;
}

ul {
    list-style-type: none;
    margin-bottom: 1rem;
}

/* Layout */
header {
    margin-bottom: 2rem;
}

nav {
    margin-bottom: 3rem;
}

nav ul {
    display: flex;
    gap: 1.5rem;
}

section {
    margin-bottom: 3rem;
}

section ul {
    margin-left: 1.5rem;
    list-style-type: disc;
}

footer {
    margin-top: 4rem;
    padding-top: 1.5rem;
    border-top: 1px solid #ddd;
    font-size: 0.9rem;
    color: #666;
}

/* Mobile responsiveness */
@media (max-width: 600px) {
    body {
        padding: 1.5rem;
    }
    
    nav ul {
        flex-direction: column;
        gap: 0.5rem;
    }
}