:root{
  --grafite:#1A1A1A;--grafite-2:#262626;--amarelo:#FFC20E;--cimento:#EFEEEA;--branco:#FFFFFF;
  --texto:#1A1A1A;--texto-suave:#4D4D4D;--rotulo:#8A6700;--raio:18px;--max:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Plus Jakarta Sans',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--texto);background:var(--branco);line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit}
img,svg{display:block;max-width:100%}
.container{max-width:var(--max);margin:0 auto;padding:0 20px}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 24px;border-radius:999px;font-weight:800;font-size:16px;text-decoration:none;transition:transform .15s ease,background .15s ease;border:0;cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.btn svg{width:22px;height:22px;flex-shrink:0}
.btn-primario{background:var(--amarelo);color:var(--grafite);box-shadow:0 8px 24px rgba(255,194,14,.35)}
.btn-primario:hover{background:#FFCD38}
.btn-escuro{background:var(--grafite);color:var(--branco)}
.btn-escuro:hover{background:#000}

/* Topo */
.topo{position:sticky;top:0;z-index:50;background:rgba(26,26,26,.94);backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px)}
.topo .container{display:flex;align-items:center;justify-content:space-between;height:72px;gap:16px}
.marca{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--branco)}
.marca svg{width:44px;height:44px}
.marca-texto{display:flex;flex-direction:column;align-items:flex-start;line-height:1}
.marca-texto b{font-weight:800;font-size:24px;letter-spacing:-.8px}
.marca-texto span{font-weight:700;font-size:12px;background:var(--amarelo);color:var(--grafite);padding:1px 6px 2px;margin-top:3px}
.topo nav{display:flex;align-items:center;gap:24px}
.topo nav a.link{color:#D9D9D9;text-decoration:none;font-weight:600;font-size:15px}
.topo nav a.link:hover{color:var(--amarelo)}
.topo .btn{min-height:44px;padding:0 18px;font-size:15px}
@media (max-width:760px){.topo nav a.link{display:none}}
@media (max-width:420px){.topo .btn .txt-longo{display:none}}

/* Cabeçalho do artigo */
.cabecalho{background:var(--grafite);color:var(--branco);padding:44px 0 56px}
.trilha{font-size:14px;color:#BDBDBD;margin:0 0 18px}
.trilha a{color:#E6E6E6;text-decoration:none}
.trilha a:hover{color:var(--amarelo)}
.cabecalho .rotulo{display:inline-block;font-weight:800;font-size:13px;letter-spacing:2px;text-transform:uppercase;color:var(--amarelo)}
.cabecalho h1{font-size:clamp(32px,5vw,52px);line-height:1.08;letter-spacing:-1.6px;margin:10px 0 16px;max-width:860px}
.cabecalho p.lead{font-size:clamp(17px,2vw,20px);color:#D6D6D6;max-width:760px;margin:0}
.meta{margin-top:18px;font-size:14px;color:#A8A8A8}

/* Corpo */
.corpo{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;padding-top:56px;padding-bottom:72px}
@media (max-width:980px){.corpo{grid-template-columns:1fr;gap:32px}}
article{max-width:760px}
article h2{font-size:clamp(24px,3vw,30px);letter-spacing:-.8px;line-height:1.2;margin:44px 0 12px}
article h2:first-child{margin-top:0}
article h3{font-size:20px;letter-spacing:-.4px;margin:28px 0 8px}
article p,article li{font-size:17.5px;color:#2A2A2A}
article ul,article ol{padding-left:22px}
article li{margin:6px 0}
article strong{color:var(--texto)}
.resumo{background:var(--cimento);border-radius:var(--raio);padding:22px 24px;margin:0 0 8px}
.resumo h2{font-size:18px;margin:0 0 8px;letter-spacing:-.2px}
.resumo ol{margin:0}
.resumo li{font-size:16.5px}
.alerta{border-left:0;background:#FFF6D6;border:1px solid #F2D27A;border-radius:14px;padding:16px 18px;margin:20px 0}
.alerta b{display:block;margin-bottom:4px}
.alerta p{margin:0;font-size:16.5px}
.perigo{background:#FDECEA;border-color:#F1B5AE}
.passo-a-passo{counter-reset:p;list-style:none;padding:0}
.passo-a-passo li{counter-increment:p;position:relative;padding-left:48px;margin:14px 0}
.passo-a-passo li::before{content:counter(p);position:absolute;left:0;top:2px;width:32px;height:32px;border-radius:50%;background:var(--amarelo);color:var(--grafite);font-weight:800;display:grid;place-items:center;font-size:15px}
.tabela{width:100%;border-collapse:collapse;margin:16px 0;font-size:16px}
.tabela th,.tabela td{text-align:left;padding:12px 14px;border-bottom:1px solid #E2E1DC;vertical-align:top}
.tabela th{background:var(--cimento);font-weight:700}
.rolagem{overflow-x:auto}

/* Lateral */
aside .caixa-cta{position:sticky;top:96px;background:var(--grafite);color:var(--branco);border-radius:var(--raio);padding:26px 22px}
aside .caixa-cta h2{font-size:21px;line-height:1.2;margin:0 0 8px;letter-spacing:-.4px}
aside .caixa-cta p{color:#CFCFCF;font-size:15.5px;margin:0 0 18px}
aside .caixa-cta .btn{width:100%}
aside .lista-garantias{list-style:none;padding:0;margin:18px 0 0;font-size:14.5px;color:#E6E6E6}
aside .lista-garantias li{margin:6px 0;padding-left:22px;position:relative}
aside .lista-garantias li::before{content:"✓";position:absolute;left:0;color:var(--amarelo);font-weight:800}

/* CTA no fim do artigo */
.cta-artigo{background:var(--amarelo);border-radius:22px;padding:30px 28px;margin:44px 0 0;display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.cta-artigo h2{margin:0;font-size:24px;letter-spacing:-.6px}
.cta-artigo p{margin:4px 0 0;color:#3A3000;font-weight:600;font-size:16px}

/* Leia também */
.leia{background:var(--cimento);padding:56px 0}
.leia h2{font-size:26px;letter-spacing:-.6px;margin:0 0 20px}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
@media (max-width:860px){.cards{grid-template-columns:1fr}}
.card{background:var(--branco);border-radius:var(--raio);padding:24px;text-decoration:none;display:block;transition:transform .2s ease,box-shadow .2s ease}
.card:hover{transform:translateY(-3px);box-shadow:0 10px 30px rgba(0,0,0,.08)}
.card .rotulo-card{font-size:12px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase;color:var(--rotulo)}
.card h3{margin:6px 0 6px;font-size:19px;letter-spacing:-.3px;line-height:1.25}
.card p{margin:0;color:var(--texto-suave);font-size:15px}

/* Rodapé */
footer{background:var(--grafite);color:#BDBDBD;padding:40px 0 110px;font-size:15px}
footer .container{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px;align-items:center}
footer a{color:var(--branco);text-decoration:none}
footer a:hover{color:var(--amarelo)}

/* WhatsApp flutuante */
.flutuante{position:fixed;right:18px;bottom:18px;z-index:60;width:62px;height:62px;border-radius:50%;background:#25D366;color:#fff;display:grid;place-items:center;box-shadow:0 10px 30px rgba(0,0,0,.25);transition:transform .15s}
.flutuante:hover{transform:scale(1.07)}
.flutuante svg{width:32px;height:32px}