:root {
    --bg: #f7f7f9;
    --card: #fff;
    --accent: #2b6cb0;
    --muted: #6b7280;
    --focus: #ff9800;
}

body {
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg);
    color: #111;
    line-height: 1.6;
    padding: 24px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
}

header {
    background-color: var(--card);
    padding: 24px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    margin-bottom: 20px;
}

header h1 {
    margin: 0 0 6px;
    font-size: 1.6rem;
}

header .lead {
    margin: 0;
    color: var(--muted);
}

section {
    background-color: var(--card);
    padding: 20px;
    border-radius: 10px;
    margin-top: 18px;
    box-shadow: 0 1px 5px rgba(0, 0, 0, 0.04);
}

section h2 {
    margin-top: 0;
    font-size: 1.1rem;
    color: var(--accent);
}

ul {
    padding-left: 20px;
}

li {
    margin-bottom: 4px;
}

footer {
    margin-top: 18px;
    text-align: center;
    color: var(--muted);
    font-size: 0.9rem;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover,
a:focus {
    text-decoration: underline;
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}

button:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}

@media (max-width: 600px) {
    body {
        padding: 12px;
    }

    section {
        padding: 15px;
    }
}

body,
h1,
h2,
li,
p {
    word-wrap: break-word;
    hyphens: auto;
}