:root {
    --primary: #2563eb;
    --background: #f8fafc;
    --text: #1e293b;
    --text-muted: #64748b;
    --card-bg: #ffffff;
    --border: #e2e8f0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text);
    background-color: var(--background);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 800px;
    margin: 40px auto;
    padding: 40px;
    background: var(--card-bg);
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.nav-link {
    display: inline-block;
    margin-bottom: 20px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.nav-link:hover {
    text-decoration: underline;
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 24px;
    color: #111827;
}

h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 32px;
    margin-bottom: 16px;
    color: #111827;
    border-bottom: 2px solid var(--border);
    padding-bottom: 8px;
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 24px;
    margin-bottom: 12px;
}

p {
    margin-bottom: 16px;
}

ul {
    margin-bottom: 16px;
    padding-left: 20px;
}

li {
    margin-bottom: 8px;
}

.footer {
    text-align: center;
    margin-top: 40px;
    padding: 20px;
    color: var(--text-muted);
    font-size: 0.875rem;
}