:root {
    color-scheme: light dark;
    --bg: #f6f8fb;
    --surface: #ffffff;
    --surface-soft: #eef5ff;
    --text: #101827;
    --muted: #59677a;
    --border: rgba(91, 110, 134, 0.18);
    --accent: #0a66ff;
    --accent-strong: #0057d9;
    --shadow: 0 18px 44px rgba(16, 24, 39, 0.08);
    --content: 880px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b111b;
        --surface: #121a27;
        --surface-soft: #10243d;
        --text: #f4f7fb;
        --muted: #a9b6c7;
        --border: rgba(169, 182, 199, 0.18);
        --accent: #63a6ff;
        --accent-strong: #8bbcff;
        --shadow: none;
    }
}

* {
    box-sizing: border-box;
}

html {
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at top left, rgba(10, 102, 255, 0.11), transparent 34rem),
        linear-gradient(180deg, #ffffff 0%, var(--bg) 42rem);
    line-height: 1.65;
}

@media (prefers-color-scheme: dark) {
    body {
        background:
            radial-gradient(circle at top left, rgba(99, 166, 255, 0.15), transparent 34rem),
            linear-gradient(180deg, #0d1522 0%, var(--bg) 42rem);
    }
}

a {
    color: var(--accent-strong);
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.18em;
}

a:hover {
    color: var(--accent);
}

a:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--accent) 58%, transparent);
    outline-offset: 4px;
    border-radius: 6px;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

.site-header,
.site-footer,
main {
    width: min(100% - 32px, var(--content));
    margin: 0 auto;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--text);
    text-decoration: none;
    font-weight: 760;
}

.brand img {
    width: 42px;
    height: 42px;
    border-radius: 11px;
    box-shadow: var(--shadow);
}

.site-nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
}

.site-nav a {
    min-height: 36px;
    padding: 7px 10px;
    border-radius: 999px;
    color: var(--muted);
    text-decoration: none;
    font-size: 0.94rem;
    font-weight: 680;
}

.site-nav a[aria-current="page"],
.site-nav a:hover {
    color: var(--text);
    background: color-mix(in srgb, var(--accent) 9%, transparent);
}

.document {
    padding: 34px 0 68px;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--accent-strong);
    font-size: 0.82rem;
    font-weight: 760;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 760px;
    margin-bottom: 12px;
    font-size: clamp(2.25rem, 5vw, 4.1rem);
    line-height: 1.04;
    letter-spacing: 0;
}

h2 {
    margin: 42px 0 12px;
    font-size: clamp(1.28rem, 2vw, 1.62rem);
    line-height: 1.2;
    letter-spacing: 0;
}

h3 {
    margin: 26px 0 8px;
    font-size: 1.05rem;
}

p,
li {
    color: var(--muted);
    font-size: 1.02rem;
}

.lede {
    max-width: 760px;
    margin-bottom: 22px;
    color: var(--muted);
    font-size: clamp(1.05rem, 2vw, 1.24rem);
}

.meta {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 0.96rem;
}

.panel {
    margin: 28px 0;
    padding: 24px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    box-shadow: var(--shadow);
}

.panel p:last-child,
.panel ul:last-child {
    margin-bottom: 0;
}

.summary-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
    margin: 26px 0 10px;
}

.summary-card {
    min-height: 100%;
    padding: 18px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--surface);
}

.summary-card strong {
    display: block;
    margin-bottom: 4px;
}

ul,
ol {
    padding-left: 1.25rem;
}

li + li {
    margin-top: 8px;
}

.site-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
    padding: 24px 0 38px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.92rem;
}

.site-footer nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 12px;
}

.site-footer a {
    color: var(--muted);
}

@media (max-width: 680px) {
    .site-header,
    .site-footer {
        align-items: flex-start;
        flex-direction: column;
    }

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

    .summary-grid {
        grid-template-columns: 1fr;
    }

    .document {
        padding-top: 20px;
    }
}