:root {
    color-scheme: light;
    --background: #f6f4f1;
    --surface: #ffffff;
    --text: #171514;
    --muted: #6f6863;
    --line: #e5ded8;
    --accent: #ff4f45;
    --accent-soft: #ffe7e3;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.55;
}

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

a:hover {
    text-decoration: underline;
}

.page {
    width: min(920px, calc(100% - 32px));
    margin: 0 auto;
    padding: 32px 0 56px;
}

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 16px 0 28px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    font-weight: 800;
    letter-spacing: 0;
}

.brand-mark {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    border-radius: 12px;
    background: var(--accent);
    color: white;
    font-size: 24px;
    font-weight: 900;
}

.nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 10px;
}

.nav a {
    padding: 8px 12px;
    border-radius: 999px;
    background: var(--surface);
    color: var(--text);
    font-size: 14px;
    font-weight: 650;
    box-shadow: 0 1px 0 rgba(23, 21, 20, 0.06);
}

.nav a.active {
    background: var(--accent-soft);
    color: var(--accent);
}

.document {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: var(--surface);
    box-shadow: 0 18px 48px rgba(42, 31, 25, 0.08);
}

.hero {
    padding: 44px 44px 24px;
    border-bottom: 1px solid var(--line);
}

.hero p {
    max-width: 720px;
    margin: 10px 0 0;
    color: var(--muted);
    font-size: 18px;
}

h1 {
    margin: 0;
    font-size: clamp(34px, 5vw, 52px);
    line-height: 1.05;
    letter-spacing: 0;
}

h2 {
    margin: 34px 0 10px;
    font-size: 22px;
    line-height: 1.2;
    letter-spacing: 0;
}

p {
    margin: 0 0 14px;
}

ul {
    margin: 0 0 18px;
    padding-left: 22px;
}

li {
    margin: 6px 0;
}

.content {
    padding: 10px 44px 44px;
}

.updated {
    display: inline-flex;
    margin-bottom: 14px;
    color: var(--muted);
    font-size: 14px;
}

.link-list {
    display: grid;
    gap: 12px;
    margin-top: 24px;
}

.link-list a {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    padding: 16px 18px;
    border: 1px solid var(--line);
    border-radius: 8px;
    color: var(--text);
    font-weight: 700;
}

.footer {
    padding: 24px 0 0;
    color: var(--muted);
    font-size: 14px;
}

@media (max-width: 700px) {
    .page {
        width: min(100% - 24px, 920px);
        padding-top: 18px;
    }

    .topbar {
        align-items: flex-start;
        flex-direction: column;
        padding-bottom: 18px;
    }

    .nav {
        justify-content: flex-start;
    }

    .hero,
    .content {
        padding-left: 22px;
        padding-right: 22px;
    }

    .hero {
        padding-top: 30px;
    }
}