        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

        :root {
            --bg: #08080a;
            --bg-card: #111114;
            --bg-elevated: #18181c;
            --text: #e8e8ea;
            --text-muted: #9a9aa0;
            --accent: #a3e635;
            --accent-dim: rgba(163, 230, 53, 0.15);
            --border: #2a2a30;
            --radius: 10px;
            --max-w: 780px;
        }

        html { scroll-behavior: smooth; }

        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.75;
            font-size: 17px;
            -webkit-font-smoothing: antialiased;
        }

        /* ── Nav ─────────────────────────── */
        .site-nav {
            position: sticky; top: 0; z-index: 100;
            background: rgba(8,8,10,.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            padding: 0 24px;
        }
        .site-nav-inner {
            max-width: 1100px; margin: 0 auto;
            display: flex; align-items: center; justify-content: space-between;
            height: 56px;
        }
        .site-nav .logo {
            font-weight: 700; font-size: 20px; color: var(--text);
            text-decoration: none; letter-spacing: -0.5px;
            display: flex; align-items: center; gap: 8px;
        }
        .site-nav .logo span { color: var(--accent); }
        .site-nav-links { display: flex; gap: 24px; }
        .site-nav-links a {
            color: var(--text-muted); text-decoration: none; font-size: 14px; font-weight: 500;
            transition: color .2s;
        }
        .site-nav-links a:hover { color: var(--accent); }

        /* ── Breadcrumb ──────────────────── */
        .breadcrumb {
            font-size: 13px; color: var(--text-muted); margin-bottom: 20px;
        }
        .breadcrumb a { color: var(--text-muted); }
        .breadcrumb a:hover { color: var(--accent); }
        .breadcrumb .sep { margin: 0 6px; opacity: 0.5; }

        /* ── Article ─────────────────────── */
        .article-wrap {
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 48px 24px 80px;
        }

        .article-meta {
            display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
            margin-bottom: 32px; font-size: 14px; color: var(--text-muted);
        }
        .article-meta .tag {
            background: var(--accent-dim); color: var(--accent);
            padding: 3px 10px; border-radius: 99px; font-size: 12px; font-weight: 600;
            text-transform: uppercase; letter-spacing: 0.5px;
        }

        h1 {
            font-size: clamp(28px, 5vw, 40px); font-weight: 700;
            line-height: 1.2; letter-spacing: -0.5px;
            margin-bottom: 24px;
        }

        h2 {
            font-size: 24px; font-weight: 600; line-height: 1.3;
            margin: 48px 0 18px; padding-top: 32px;
            border-top: 1px solid var(--border);
        }
        h2:first-of-type { border-top: none; padding-top: 0; margin-top: 32px; }

        h3 {
            font-size: 19px; font-weight: 600; line-height: 1.4;
            margin: 28px 0 12px;
        }

        p { margin-bottom: 16px; }

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

        ul, ol { margin: 0 0 16px 24px; }
        li { margin-bottom: 6px; }

        strong { font-weight: 600; }

        /* ── Key Takeaways Box ───────────── */
        .key-takeaways {
            background: var(--bg-card);
            border-left: 3px solid var(--accent);
            border-radius: var(--radius);
            padding: 20px 24px;
            margin: 28px 0 36px;
        }
        .key-takeaways-label {
            color: var(--accent); font-size: 15px; font-weight: 700;
            text-transform: uppercase; letter-spacing: 0.5px;
            margin: 0 0 12px;
        }
        .key-takeaways ul { margin: 0; padding-left: 18px; }
        .key-takeaways li { margin-bottom: 6px; font-size: 15px; }

        /* ── Table of Contents ───────────── */
        .toc {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 20px 24px;
            margin: 0 0 40px;
        }
        .toc-label {
            font-size: 14px; font-weight: 700; text-transform: uppercase;
            letter-spacing: 0.5px; color: var(--text-muted); margin: 0 0 12px;
        }
        .toc ol { margin: 0; padding-left: 20px; }
        .toc li { margin-bottom: 4px; font-size: 15px; }
        .toc a { color: var(--text); }
        .toc a:hover { color: var(--accent); }

        /* ── Charts ──────────────────────── */
        .chart-wrap {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 16px 12px;
            margin: 28px 0;
            text-align: center;
        }
        .chart-wrap figcaption {
            font-size: 12px; color: var(--text-muted);
            margin-top: 8px;
        }
        .chart-wrap svg { max-width: 100%; height: auto; }

        /* ── Callout Box ─────────────────── */
        .callout {
            background: var(--bg-elevated);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 18px 22px;
            margin: 24px 0;
            font-size: 15px;
        }
        .callout strong { color: var(--accent); }

        /* ── FAQ Section ─────────────────── */
        .faq-item { margin-bottom: 20px; }
        .faq-item h3 {
            font-size: 17px; cursor: default;
            margin: 0 0 8px;
        }
        .faq-item p { font-size: 15px; color: var(--text-muted); margin: 0; }

        /* ── Footer ──────────────────────── */
        .site-footer {
            border-top: 1px solid var(--border);
            padding: 32px 24px;
            text-align: center;
            font-size: 13px; color: var(--text-muted);
        }
        .site-footer a { color: var(--text-muted); }
        .site-footer a:hover { color: var(--accent); }

        /* ── Responsive ──────────────────── */
        @media (max-width: 600px) {
            body { font-size: 16px; }
            h1 { font-size: 26px; }
            h2 { font-size: 21px; }
            .article-wrap { padding: 32px 18px 60px; }
            .chart-wrap { padding: 16px 8px 8px; }
        }

/* ===================================================================
   Harmonização — gerações antigas de posts (.container / bare <article>)
   Mesmos tokens da referência; não altera conteúdo, só visual.
   =================================================================== */
.container, body > article {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 48px 24px 80px;
}

/* blocos de destaque (case study / checklist) — cartão como .callout */
.case-study, .checklist {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 20px 24px;
    margin: 28px 0;
    font-size: 15px;
}
.case-study > h2, .case-study > h3,
.checklist > h2, .checklist > h3 {
    margin-top: 0; padding-top: 0; border-top: none;
}

/* call-to-action */
.cta {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: var(--radius);
    padding: 32px;
    margin: 48px 0;
}
.cta h2 { margin-top: 0; padding-top: 0; border-top: none; }
.cta a {
    display: inline-block;
    margin: 12px 8px 0 0;
    padding: 10px 18px;
    background: var(--accent);
    color: var(--bg);
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
}
.cta a:hover { opacity: .9; text-decoration: none; }

/* FAQ com <details>/<summary> nativo */
.faq-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    margin-top: 48px;
}
.faq-section h2 { margin-top: 0; padding-top: 0; border-top: none; }
.faq-section details { border-bottom: 1px solid var(--border); padding: 14px 0; }
.faq-section details:last-child { border-bottom: none; }
.faq-section summary {
    cursor: pointer; font-weight: 600; font-size: 16px; color: var(--text);
    list-style: none;
}
.faq-section summary::-webkit-details-marker { display: none; }
.faq-section summary:hover { color: var(--accent); }
.faq-section details p { font-size: 15px; color: var(--text-muted); margin: 10px 0 0; }

/* ── Tabelas ─────────────────────── */
.article-wrap table, article table {
    width: 100%;
    border-collapse: collapse;
    margin: 28px 0;
    font-size: 15px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}
.article-wrap th, article th {
    text-align: left;
    padding: 12px 14px;
    background: var(--bg-elevated);
    color: var(--accent);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    border-bottom: 1px solid var(--border);
}
.article-wrap td, article td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
.article-wrap tr:last-child td, article tr:last-child td { border-bottom: none; }
.article-wrap tbody tr:hover, article tbody tr:hover { background: var(--bg-elevated); }
@media (max-width: 600px) {
    .article-wrap table, article table { font-size: 13px; }
    .article-wrap th, article th, .article-wrap td, article td { padding: 8px 10px; }
}
