body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #f8fafc;
    color: #1f2937;
}

a {
    color: inherit;
    text-decoration: none;
}

.site-header {
    background: #ffffff;
    border-bottom: 1px solid #e5e7eb;
    position: sticky;
    top: 0;
    z-index: 20;
}

.header-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand-link {
    font-size: 22px;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: #111827;
}

.top-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.top-nav a {
    font-size: 14px;
    color: #475569;
    font-weight: 600;
}

.top-nav a:hover {
    color: #111827;
}

.page-shell {
    max-width: 900px;
    margin: 0 auto;
    padding: 48px 20px 72px;
}

.page-hero {
    margin-bottom: 28px;
}

.eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: #64748b;
    margin-bottom: 12px;
}

h1 {
    margin: 0 0 12px;
    font-size: 42px;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: #0f172a;
}

.page-intro {
    margin: 0;
    font-size: 18px;
    line-height: 1.65;
    color: #475569;
    max-width: 760px;
}

.content-stack {
    display: grid;
    gap: 18px;
}

.content-card {
    background: #ffffff;
    border: 1px solid #e5e7eb;
    border-radius: 18px;
    padding: 24px;
    box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}

.content-card h2 {
    margin: 0 0 14px;
    font-size: 22px;
    line-height: 1.25;
    color: #111827;
}

.content-card p {
    margin: 0 0 14px;
    font-size: 16px;
    line-height: 1.7;
    color: #334155;
}

.content-card p:last-child {
    margin-bottom: 0;
}

.content-card ul {
    margin: 0;
    padding-left: 20px;
    color: #334155;
}

.content-card li {
    margin-bottom: 12px;
    line-height: 1.65;
}

.callout {
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 14px;
    padding: 16px 18px;
    margin-top: 14px;
}

.callout strong {
    color: #0f172a;
}

.site-footer {
    border-top: 1px solid #e5e7eb;
    background: #ffffff;
}

.footer-inner {
    max-width: 1180px;
    margin: 0 auto;
    padding: 28px 20px 40px;
}

.footer-brand {
    font-size: 18px;
    font-weight: 800;
    color: #111827;
    margin-bottom: 10px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    color: #475569;
    font-weight: 600;
}

.footer-note {
    margin: 0;
    color: #64748b;
    font-size: 14px;
    line-height: 1.6;
}

@media (max-width: 900px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .top-nav {
        gap: 14px;
    }

    h1 {
        font-size: 34px;
    }

    .page-intro {
        font-size: 17px;
    }

    .content-card {
        padding: 20px;
    }
}