:root {
    color-scheme: light dark;
    --ink: #172033;
    --muted: #526078;
    --surface: #ffffff;
    --soft: #eef4fb;
    --line: #c8d5e5;
    --brand: #0b3f7f;
    --brand-strong: #062f65;
    --accent: #d8eaff;
    --focus: #ffbf47;
    --shadow: 0 18px 50px rgba(15, 42, 76, 0.12);
}

* {
    box-sizing: border-box;
}

html {
    background: #eaf1f8;
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--ink);
    background:
        radial-gradient(circle at 10% 0%, rgba(95, 157, 224, 0.2), transparent 34rem),
        linear-gradient(180deg, #f7fbff 0%, #eaf1f8 100%);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 1rem;
    line-height: 1.65;
}

a {
    color: #0755a4;
    text-underline-offset: 0.18em;
}

a:hover {
    color: var(--brand-strong);
}

a:focus-visible,
.pill:focus-visible {
    outline: 4px solid var(--focus);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    left: 1rem;
    top: -5rem;
    z-index: 10;
    padding: 0.7rem 1rem;
    color: #111;
    background: var(--focus);
    border-radius: 0.5rem;
    font-weight: 800;
}

.skip-link:focus {
    top: 1rem;
}

.page-shell {
    width: min(920px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 2rem 0 3rem;
}

.site-header {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    margin-bottom: 1.25rem;
}

.brand-mark {
    display: grid;
    flex: 0 0 3rem;
    width: 3rem;
    height: 3rem;
    place-items: center;
    color: #fff;
    background: var(--brand);
    border-radius: 0.9rem;
    font-size: 1.3rem;
    font-weight: 900;
    letter-spacing: -0.04em;
    box-shadow: 0 8px 18px rgba(11, 63, 127, 0.24);
}

.site-header p {
    margin: 0;
}

.product-name {
    font-weight: 850;
    letter-spacing: -0.015em;
}

.product-meta {
    color: var(--muted);
    font-size: 0.92rem;
}

.content-card {
    overflow: hidden;
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 1.25rem;
    box-shadow: var(--shadow);
}

.hero {
    padding: clamp(1.5rem, 5vw, 3rem);
    color: #fff;
    background: linear-gradient(135deg, var(--brand-strong), var(--brand));
}

.eyebrow {
    margin: 0 0 0.5rem;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

h1 {
    max-width: 18ch;
    margin: 0;
    font-size: clamp(2rem, 6vw, 3.5rem);
    line-height: 1.08;
    letter-spacing: -0.045em;
}

.hero-summary {
    max-width: 65ch;
    margin: 1rem 0 0;
    color: #eaf3ff;
    font-size: 1.08rem;
}

.updated {
    margin: 1rem 0 0;
    color: #cfdef1;
    font-size: 0.9rem;
}

main article {
    padding: clamp(1.4rem, 5vw, 3rem);
}

h2 {
    margin: 2rem 0 0.55rem;
    color: var(--brand-strong);
    font-size: 1.32rem;
    line-height: 1.3;
}

h2:first-child {
    margin-top: 0;
}

h3 {
    margin: 1.4rem 0 0.35rem;
    font-size: 1.05rem;
}

p,
ul,
ol {
    margin-top: 0.55rem;
    margin-bottom: 1rem;
}

li + li {
    margin-top: 0.5rem;
}

.notice {
    margin: 1.3rem 0;
    padding: 1rem 1.1rem;
    background: var(--soft);
    border: 1px solid var(--line);
    border-left: 5px solid var(--brand);
    border-radius: 0.75rem;
}

.notice strong {
    color: var(--brand-strong);
}

.action-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    margin: 0.35rem 0.5rem 0.35rem 0;
    padding: 0.65rem 1rem;
    color: #fff;
    background: var(--brand);
    border: 2px solid var(--brand);
    border-radius: 999px;
    font-weight: 750;
    text-decoration: none;
}

.action-link:hover {
    color: #fff;
    background: var(--brand-strong);
    border-color: var(--brand-strong);
}

.policy-footer {
    margin-top: 1.25rem;
    padding: 1.25rem;
    text-align: center;
}

.policy-footer p {
    margin: 0 0 0.8rem;
    color: var(--muted);
    font-size: 0.92rem;
}

.pill-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.65rem;
}

.pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 0.55rem 0.95rem;
    color: var(--brand-strong);
    background: #fff;
    border: 2px solid #94b3d6;
    border-radius: 999px;
    font-weight: 750;
    text-decoration: none;
}

.pill:hover,
.pill[aria-current="page"] {
    color: #fff;
    background: var(--brand);
    border-color: var(--brand);
}

@media (max-width: 560px) {
    .page-shell {
        width: min(100% - 1rem, 920px);
        padding-top: 0.75rem;
    }

    .site-header {
        padding: 0.35rem 0.25rem;
    }

    .pill-nav {
        align-items: stretch;
        flex-direction: column;
    }

    .pill {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --ink: #eef4ff;
        --muted: #b7c6da;
        --surface: #101b2b;
        --soft: #17273b;
        --line: #38516e;
        --accent: #233c59;
    }

    html,
    body {
        background: #09121f;
    }

    body {
        background:
            radial-gradient(circle at 10% 0%, rgba(34, 96, 164, 0.27), transparent 34rem),
            linear-gradient(180deg, #0d1929 0%, #09121f 100%);
    }

    a {
        color: #8fc7ff;
    }

    h2,
    .notice strong {
        color: #b8dbff;
    }

    .pill {
        color: #cfe6ff;
        background: #101b2b;
        border-color: #5078a3;
    }
}

@media print {
    body,
    html {
        background: #fff;
    }

    .page-shell {
        width: 100%;
        padding: 0;
    }

    .content-card {
        border: 0;
        box-shadow: none;
    }

    .hero {
        color: #000;
        background: #fff;
        border-bottom: 2px solid #000;
    }

    .hero-summary,
    .updated {
        color: #222;
    }

    .policy-footer,
    .skip-link {
        display: none;
    }
}