:root{
      /* Ajuste de contraste: Fundo escuro puro/cinza escuro e textos claros */
      --bg:#0c130f;
      --fg:#FFFFFF; /* Branco puro para títulos e texto principal */
      --muted:#E0E0E0; /* Cinza bem claro para textos secundários */
      --card:#141d17;
      --line:#243029;
      --brand:#25D366; /* Verde WhatsApp para melhor contraste e apelo visual */
      --brand-2:#128C4A;
      --brand-ink:#062b16; /* Texto escuro sobre o verde do botão */
      --shadow:0 10px 40px rgba(0,0,0,.4);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--fg);line-height:1.6;-webkit-font-smoothing:antialiased}
    .wrap{max-width:960px;margin:0 auto;padding:0 20px}
    a{color:inherit}
    .btn{display:inline-flex;align-items:center;gap:.5rem;background:var(--brand);color:var(--brand-ink);text-decoration:none;font-weight:700;padding:.9rem 1.4rem;border-radius:999px;box-shadow:var(--shadow);transition:transform .15s ease,filter .15s ease}
    .btn:hover{transform:translateY(-2px);filter:brightness(1.1)}
    .btn.big{padding:1.1rem 1.8rem;font-size:1.05rem}
    .eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;font-weight:700;color:var(--brand)}

    /* HERO */
    header.hero{padding:64px 0 40px;background:radial-gradient(1200px 400px at 50% -80px, rgba(37,211,102,.14), transparent)}
    .hero h1{font-size:clamp(1.9rem,4.5vw,3rem);line-height:1.1;margin:.4rem 0 1rem;letter-spacing:-.02em;color:#FFFFFF}
    .hero p.sub{font-size:clamp(1.05rem,2.2vw,1.3rem);color:var(--muted);max-width:640px;margin:0 auto 1.6rem}
    .hero{text-align:center}
    .hero .cta-row{display:flex;gap:.8rem;justify-content:center;flex-wrap:wrap;align-items:center}
    .assure{font-size:.9rem;color:var(--muted);margin-top:.8rem}

    /* SECTIONS */
    section{padding:48px 0;border-top:1px solid var(--line)}
    h2{font-size:clamp(1.5rem,3vw,2rem);letter-spacing:-.01em;margin:.2rem 0 1.2rem;color:#FFFFFF}
    .lead{color:var(--muted);max-width:680px;font-size:1.08rem}
    .grid{display:grid;gap:16px}
    .grid.c3{grid-template-columns:repeat(3,1fr)}
    @media(max-width:760px){.grid.c3{grid-template-columns:1fr}}
    .card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:22px}
    .card h3{margin:.2rem 0 .5rem;font-size:1.15rem;color:#FFFFFF}
    .card p{margin:0;color:var(--muted)}
    .num{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:var(--brand);color:var(--brand-ink);font-weight:800;margin-bottom:.4rem}

    /* CHAT DEMO */
    .phone{max-width:360px;margin:24px auto 0;background:var(--card);border:1px solid var(--line);border-radius:26px;padding:16px;box-shadow:var(--shadow)}
    .bubble{padding:.6rem .85rem;border-radius:16px;margin:.4rem 0;max-width:82%;font-size:.95rem}
    .in{background:#20302a;color:#FFFFFF;border-bottom-left-radius:4px;margin-right:auto}
    .out{background:var(--brand);color:var(--brand-ink);border-bottom-right-radius:4px;margin-left:auto}
    .tag{display:inline-block;font-size:.72rem;font-weight:700;color:var(--brand);border:1px solid var(--brand);border-radius:999px;padding:.1rem .5rem;margin-top:.3rem}

    /* HIGHLIGHTS (Integração e Prova Social) */
    .highlight-box{background:linear-gradient(120deg, rgba(37,211,102,.14), rgba(18,140,74,.08));border:1px dashed var(--brand);border-radius:18px;padding:22px;margin-top:24px;text-align:center}
    .highlight-box p{margin:0;color:#FFFFFF;font-size:1.1rem;font-weight:500}
    .stat-box{text-align:center;margin:0 auto;max-width:680px}
    .stat-box .stat-num{font-size:clamp(2.2rem, 5vw, 3rem);font-weight:800;color:var(--brand);line-height:1;margin-bottom:.5rem}

    /* PRICE */
    .price{display:flex;gap:20px;flex-wrap:wrap;align-items:stretch}
    .price .card{flex:1;min-width:240px}
    .price .big{font-size:2.2rem;font-weight:800;letter-spacing:-.02em;color:#FFFFFF}
    .guarantee{background:linear-gradient(120deg, rgba(37,211,102,.14), rgba(18,140,74,.08));border:1px dashed var(--brand);border-radius:18px;padding:22px;margin-top:20px}
    .guarantee strong{color:var(--brand)}
    .guarantee p{color:var(--muted)}
    ul.check{list-style:none;padding:0;margin:1rem 0 0}
    ul.check li{padding-left:1.8rem;position:relative;margin:.5rem 0;color:var(--muted)}
    ul.check li strong{color:#FFFFFF}
    ul.check li::before{content:"✓";position:absolute;left:0;color:var(--brand);font-weight:800}

    /* FAQ */
    details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:.2rem 1rem;margin:.6rem 0}
    summary{cursor:pointer;font-weight:600;padding:.9rem 0;list-style:none;color:#FFFFFF}
    summary::-webkit-details-marker{display:none}
    details[open] summary{color:var(--brand)}
    details p{color:var(--muted);margin:0 0 1rem}

    /* CTA final + footer */
    .final{text-align:center;background:radial-gradient(900px 300px at 50% 120%, rgba(37,211,102,.16), transparent)}
    footer{padding:28px 0;color:var(--muted);font-size:.85rem;text-align:center;border-top:1px solid var(--line)}