:root{--navy:#0d1b33;--navy-2:#14294b;--petro:#0b5d6b;--petro-d:#073f49;--petro-l:#e4f1f2;--petro-m:#9cc9cf;--text:#3a4557;--muted:#6b7586;--bg:#fff;--bg-2:#f3f6f8;--line:#e2e8ee;--amber:#f6b93b;--wa:#1fae55;--wa-d:#17964a;--serif:"PT Serif",Georgia,serif;--sans:"Montserrat",system-ui,-apple-system,sans-serif;--r:18px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;font-family:var(--sans);color:var(--text);background:var(--bg);font-size:17px;line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:var(--petro)}
img{max-width:100%;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 22px}

/* topo */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hdr__in{display:flex;align-items:center;justify-content:space-between;gap:16px;height:72px}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--navy)}
.logo__m{width:42px;height:42px;border-radius:12px;background:var(--petro);color:#fff;display:grid;place-items:center;font-family:var(--serif);font-weight:700;font-size:22px}
.logo__t{display:flex;flex-direction:column;line-height:1.2}.logo__t b{font-family:var(--serif);font-size:17px}.logo__t span{font-size:12px;color:var(--muted)}
.nav{display:flex;gap:24px;align-items:center}.nav a{text-decoration:none;color:var(--navy);font-weight:600;font-size:14.5px}.nav a:hover,.nav a.on{color:var(--petro)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-family:var(--sans);font-weight:700;font-size:15px;line-height:1;padding:15px 24px;border-radius:100px;text-decoration:none;border:0;cursor:pointer;transition:transform .2s,background .2s}
.btn:hover{transform:translateY(-1px)}
.btn-wa{background:var(--wa);color:#fff;box-shadow:0 8px 20px -6px rgba(31,174,85,.55)}.btn-wa:hover{background:var(--wa-d)}
.btn-wa svg{width:20px;height:20px}
.btn-line{background:#fff;color:var(--navy);border:2px solid var(--line)}
@media(max-width:860px){.nav{display:none}.hdr .btn{padding:12px 16px;font-size:13.5px;white-space:nowrap}.logo__t span{display:none}}
@media(max-width:420px){.logo__t b{font-size:15px}.hdr .btn{padding:11px 14px}}

/* cabeçalho do artigo */
.ahead{background:linear-gradient(180deg,var(--petro-l),#fff);padding:34px 0 30px}
.crumbs{font-size:13px;color:var(--muted);margin:0 0 18px}.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--petro)}
.kicker{display:inline-block;font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--petro);background:#fff;border:1px solid var(--petro-m);padding:6px 13px;border-radius:100px}
.ahead h1{font-family:var(--serif);color:var(--navy);font-size:clamp(30px,4.6vw,50px);line-height:1.14;margin:16px 0 14px;max-width:880px}
.ahead .lead{font-size:clamp(17px,2vw,20px);color:var(--text);max-width:820px;margin:0 0 22px}
.byline{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--muted);flex-wrap:wrap}
.byline img{width:46px;height:46px;border-radius:50%;object-fit:cover;object-position:center 20%}
.byline b{color:var(--navy)}

/* corpo */
.agrid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:56px;padding-top:40px;padding-bottom:70px}
@media(max-width:980px){.agrid{grid-template-columns:minmax(0,1fr);gap:0}}
.art{max-width:760px}
.art h2{font-family:var(--serif);color:var(--navy);font-size:clamp(25px,3vw,32px);line-height:1.25;margin:48px 0 14px}
.art h3{color:var(--navy);font-size:19px;margin:30px 0 8px}
.art p{margin:0 0 18px}
.art ul,.art ol{margin:0 0 20px;padding-left:22px}.art li{margin:0 0 8px}
.art strong{color:var(--navy)}
.resp{background:var(--navy);color:#fff;border-radius:var(--r);padding:24px 26px;margin:0 0 30px}
.resp h2{color:#fff;margin:0 0 10px;font-size:22px}.resp p,.resp li{color:rgba(255,255,255,.9)}.resp strong{color:#fff}.resp ul{margin:0}
.box{background:var(--bg-2);border-left:4px solid var(--petro);border-radius:0 14px 14px 0;padding:18px 22px;margin:24px 0}
.box p:last-child,.box ul:last-child{margin-bottom:0}
.box.alerta{background:#fff5f4;border-color:#d9534f}
.box.dica{background:#f1faf4;border-color:var(--wa)}
.box .t{display:block;font-weight:800;color:var(--navy);margin-bottom:6px;font-size:15px;letter-spacing:.02em}
.tab{width:100%;border-collapse:collapse;margin:8px 0 26px;font-size:15.5px;line-height:1.5}
.tab th,.tab td{border-bottom:1px solid var(--line);padding:12px 12px;text-align:left;vertical-align:top}
.tab th{background:var(--navy);color:#fff;font-weight:600}
.tab tr:nth-child(even) td{background:var(--bg-2)}
.tabw{overflow-x:auto}
.dias{list-style:none;padding:0!important;margin:10px 0 24px;border-left:3px solid var(--petro-m)}
.dias li{position:relative;padding:0 0 18px 24px;margin:0}
.dias li:before{content:"";position:absolute;left:-8px;top:7px;width:13px;height:13px;border-radius:50%;background:var(--petro);border:3px solid #fff;box-shadow:0 0 0 1px var(--petro-m)}
.dias b{display:block;color:var(--navy)}
.faq details{border:1px solid var(--line);border-radius:14px;padding:0 20px;margin:0 0 10px;background:#fff}
.faq summary{cursor:pointer;font-weight:700;color:var(--navy);padding:17px 26px 17px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary:after{content:"+";position:absolute;right:0;top:12px;font-size:24px;color:var(--petro);font-weight:400}
.faq details[open] summary:after{content:"\2212"}
.faq details p{margin:0 0 18px}
.cta{background:linear-gradient(135deg,var(--petro),var(--petro-d));color:#fff;border-radius:22px;padding:30px;margin:44px 0;display:flex;gap:22px;align-items:center;flex-wrap:wrap}
.cta h2,.cta h3{color:#fff;font-family:var(--serif);margin:0 0 6px;font-size:24px}
.cta p{margin:0;color:rgba(255,255,255,.9);font-size:15.5px}
.cta>div{flex:1;min-width:240px}
.autor{display:flex;gap:20px;align-items:flex-start;background:var(--bg-2);border-radius:20px;padding:24px;margin:40px 0 20px}
.autor img{width:96px;height:96px;border-radius:50%;object-fit:cover;object-position:center 20%;flex:none}
.autor h3{margin:0 0 4px}.autor p{margin:0 0 6px;font-size:15px}
.fontes{font-size:14px;color:var(--muted)}.fontes ol{padding-left:20px}
.aviso{font-size:13.5px;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin-top:30px}

/* lateral */
.side{position:sticky;top:96px;align-self:start}
@media(max-width:980px){.side{position:static;margin-top:10px}}
.toc{border:1px solid var(--line);border-radius:18px;padding:20px 22px;margin-bottom:18px;font-size:14.5px}
.toc b{display:block;color:var(--navy);margin-bottom:8px;font-size:13px;letter-spacing:.1em;text-transform:uppercase}
.toc ol{margin:0;padding-left:18px}.toc li{margin:0 0 7px;line-height:1.4}.toc a{text-decoration:none;color:var(--text)}.toc a:hover{color:var(--petro)}
.scard{background:var(--navy);color:#fff;border-radius:18px;padding:22px;text-align:center}
.scard img{width:84px;height:84px;border-radius:50%;object-fit:cover;object-position:center 20%;margin:0 auto 10px;border:3px solid rgba(255,255,255,.2)}
.scard b{display:block;font-family:var(--serif);font-size:18px}.scard small{display:block;color:rgba(255,255,255,.7);margin:2px 0 14px;font-size:12.5px}
.scard .btn{width:100%;padding:14px 10px;font-size:14px}
@media(max-width:980px){.toc{display:none}}

/* relacionados e lista */
.rel{background:var(--bg-2);padding:50px 0}
.rel h2{font-family:var(--serif);color:var(--navy);margin:0 0 20px;font-size:28px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px;text-decoration:none;color:var(--text);display:flex;flex-direction:column;gap:8px;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-2px);box-shadow:0 16px 30px -18px rgba(13,27,51,.4)}
.card .tag{font-size:11.5px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--petro)}
.card h3{font-family:var(--serif);color:var(--navy);font-size:20px;line-height:1.3;margin:0}
.card p{margin:0;font-size:15px}
.card .mais{margin-top:auto;font-weight:700;color:var(--petro);font-size:14px}
.lista{padding:40px 0 70px}

/* rodapé */
.ftr{background:var(--navy);color:rgba(255,255,255,.72);padding:46px 0 34px;font-size:14px}
.ftr a{color:#fff;text-decoration:none}
.ftr__g{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
@media(max-width:760px){.ftr__g{grid-template-columns:1fr}}
.ftr h4{color:#fff;margin:0 0 10px;font-size:14px;letter-spacing:.08em;text-transform:uppercase}
.ftr ul{list-style:none;padding:0;margin:0}.ftr li{margin:0 0 7px}
.ftr .logo__m{background:#fff;color:var(--navy)}.ftr .logo__t b{color:#fff}
.ftr__b{border-top:1px solid rgba(255,255,255,.12);margin-top:30px;padding-top:18px;font-size:12.5px}

@media(max-width:600px){.tab{font-size:13.5px}.tab th,.tab td{padding:10px 7px}.tabw{margin:0 -6px}}