:root{
      --bg:#0b1020;
      --card:#111836;
      --ink:#eaf0ff;
      --muted:#9fb0d7;
      --brand:#5aa6ff;
      --accent:#9b7dff;
      --ring: rgba(90,166,255,.35);
      --max: 1080px;
    }
    *{box-sizing:border-box}
    html,body{margin:0;padding:0;background:linear-gradient(180deg,#0b1020 0%, #0d1430 100%);color:var(--ink);font:16px/1.7 system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji"}
    a{color:var(--brand);text-decoration:none}
    a:hover{text-decoration:underline}
    .wrap{max-width:var(--max);margin-inline:auto;padding:24px}
    header.hero{
      position:relative;border:1px solid rgba(255,255,255,.06);
      background: radial-gradient(80% 100% at 20% 0%, rgba(90,166,255,.08) 0%, rgba(0,0,0,0) 60%),
                  radial-gradient(60% 80% at 80% 20%, rgba(155,125,255,.10) 0%, rgba(0,0,0,0) 60%),
                  var(--card);
      border-radius:28px;padding:36px 28px;overflow:hidden
    }
    .badge{display:inline-flex;gap:.5rem;align-items:center;background:rgba(154,194,255,.08);border:1px solid rgba(154,194,255,.2);color:#cfe3ff;padding:6px 12px;border-radius:999px;font-weight:600;font-size:.85rem}
    .hero h1{font-size:clamp(1.8rem,3.8vw,3rem);line-height:1.15;margin:14px 0 10px;font-weight:800;letter-spacing:.2px}
    .hero p{color:var(--muted);max-width:70ch;margin:0}
    .cta-row{margin-top:22px;display:flex;flex-wrap:wrap;gap:12px}
    .btn{display:inline-flex;align-items:center;gap:.6rem;padding:12px 16px;border-radius:14px;border:1px solid transparent;font-weight:700}
    .btn.primary{background:linear-gradient(90deg,var(--brand),var(--accent));color:white;box-shadow:0 10px 30px var(--ring)}
    .btn.ghost{border-color:rgba(255,255,255,.12);color:var(--ink);background:rgba(255,255,255,.02)}
    .grid{display:grid;gap:22px;margin-top:26px}
    @media (min-width:900px){ .grid{grid-template-columns: 1.2fr .8fr; gap:28px} }
    .card{background:var(--card);border:1px solid rgba(255,255,255,.06);border-radius:24px;padding:22px}
    .toc h2{margin:0 0 8px;font-size:1.1rem;letter-spacing:.4px;color:#cfe3ff;text-transform:uppercase}
    .toc ul{list-style:none;margin:0;padding:0;display:grid;gap:8px}
    .toc a{display:block;padding:10px 12px;border:1px solid rgba(255,255,255,.06);border-radius:12px;background:rgba(255,255,255,.02)}
    .prose h2{font-size:1.5rem;margin-top:28px}
    .prose h3{font-size:1.15rem;margin-top:22px;color:#d7e4ff}
    .prose p{margin:12px 0}
    .kpi{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:14px 0}
    .kpi .pill{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);padding:10px 12px;border-radius:12px}
    .note{border-left:3px solid var(--brand);padding:10px 12px;background:rgba(90,166,255,.05);border-radius:10px;margin:14px 0;color:#cfe3ff}
    figure.cover{margin:0;border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.06)}
    figure.cover .ph{aspect-ratio:16/9;background:radial-gradient(60% 80% at 30% 10%, rgba(90,166,255,.15), transparent 60%), radial-gradient(40% 80% at 80% 30%, rgba(155,125,255,.18), transparent 60%);}
    footer.cta{margin-top:34px;border:1px dashed rgba(255,255,255,.12);border-radius:18px;padding:18px;background:rgba(255,255,255,.02)}
    .faq details{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:14px;padding:12px 14px;margin:10px 0}
    .faq summary{cursor:pointer;font-weight:700}
    /* readability */
    .prose li{margin:6px 0}