:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --text-color: #333;
    --bg-color: #fff;
    --code-bg: #f8f9fa;
    --border-color: #eaeaea;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    margin: 0;
    padding: 0;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

header {
    text-align: center;
    padding: 4rem 0;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

h1 {
    font-size: 3rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.subtitle {
    font-size: 1.25rem;
    color: var(--secondary-color);
    font-weight: 300;
    max-width: 700px;
    margin: 0 auto 1.5rem;
}

.links {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.2s;
}

.btn:hover {
    background-color: var(--accent-color);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
}

section {
    margin-bottom: 3rem;
}

h2 {
    font-size: 1.75rem;
    color: var(--primary-color);
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
    margin-top: 0;
}

h3 {
    font-size: 1.3rem;
    color: var(--secondary-color);
    margin-top: 1.5rem;
}

p {
    margin-bottom: 1rem;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
}

th, td {
    text-align: left;
    padding: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

th {
    font-weight: 600;
    background-color: var(--code-bg);
}

code {
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;
    background-color: var(--code-bg);
    padding: 0.2rem 0.4rem;
    border-radius: 3px;
    font-size: 0.9em;
}

pre {
    background-color: var(--code-bg);
    padding: 1rem;
    border-radius: 5px;
    overflow-x: auto;
    border: 1px solid var(--border-color);
}

pre code {
    background-color: transparent;
    padding: 0;
}

.citation {
    background-color: #f1f3f5;
    padding: 1rem;
    border-left: 4px solid var(--accent-color);
    font-family: monospace;
    white-space: pre-wrap;
}

footer {
    text-align: center;
    padding: 2rem 0;
    color: #7f8c8d;
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    margin-top: 4rem;
}

.badge {
    display: inline-block;
    padding: 0.25em 0.6em;
    font-size: 75%;
    font-weight: 700;
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.25rem;
    background-color: var(--accent-color);
    color: white;
    margin-right: 0.5rem;
}