/* ============================================================
   Importação Inteligente — estilo dos artigos
   Mesma identidade da landing: casco de navio, âmbar e maré.
   ============================================================ */
:root{
  --tinta:#0B1219; --casco:#111B24; --casco-alto:#17232F;
  --linha:#1F2E3A; --linha-forte:#2C3E4D;
  --areia:#E9E4D9; --maresia:#8C9EAD; --fraco:#5B6C7A;
  --sinal:#E9A83B; --sinal-suave:rgba(233,168,59,.14);
  --mare:#4FB6A5; --mare-suave:rgba(79,182,165,.14);
  --selo:#D2564A;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--tinta);color:var(--areia);
  font-family:"Inter Tight",system-ui,sans-serif;
  font-size:clamp(16px,.92vw,18.5px);line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--sinal);color:var(--tinta)}
a{color:var(--sinal);text-decoration:none;border-bottom:1px solid transparent;transition:border-color .2s}
a:hover{border-bottom-color:var(--sinal)}
:focus-visible{outline:2px solid var(--sinal);outline-offset:3px;border-radius:4px}
.mono{font-family:"JetBrains Mono",ui-monospace,monospace;font-variant-numeric:tabular-nums}

/* ---------- estrutura ---------- */
.ar-wrap{width:100%;max-width:min(1480px,94vw);margin:0 auto;padding:0 clamp(18px,2.6vw,44px)}
.ar-medida{max-width:74ch;margin:0 auto}

/* ---------- topo ---------- */
.ar-top{position:sticky;top:0;z-index:60;background:rgba(11,18,25,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--linha)}
.ar-top-in{width:100%;max-width:min(1480px,94vw);margin:0 auto;padding:clamp(14px,1.2vw,20px) clamp(18px,2.6vw,44px);display:flex;align-items:center;gap:clamp(14px,1.8vw,28px)}
.ar-mark{display:flex;align-items:center;gap:13px;flex-shrink:0}
.ar-mark svg{width:38px;height:38px;flex-shrink:0}
.ar-mark strong{display:block;font-size:17px;font-weight:600;letter-spacing:-.015em;line-height:1.2;color:var(--areia)}
.ar-mark span{display:block;font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--fraco);margin-top:2px}
.ar-mark a{border:none}
.ar-nav{display:flex;gap:4px;margin-left:auto;overflow-x:auto;scrollbar-width:none}
.ar-nav::-webkit-scrollbar{display:none}
.ar-nav a{font-size:14.5px;font-weight:500;color:var(--maresia);padding:9px 13px;border-radius:7px;white-space:nowrap;border:none;transition:color .18s,background .18s}
.ar-nav a:hover{color:var(--areia);background:var(--casco)}
.ar-nav a.on{color:var(--sinal);background:var(--sinal-suave)}

/* ---------- cabeçalho do artigo ---------- */
.ar-cab{padding:clamp(44px,5vw,88px) 0 clamp(28px,3vw,48px)}
.ar-trilha{font-family:"JetBrains Mono",monospace;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--fraco);margin-bottom:16px}
.ar-trilha a{color:var(--fraco);border:none}
.ar-trilha a:hover{color:var(--sinal)}
h1{font-family:Fraunces,Georgia,serif;font-weight:400;font-size:clamp(30px,4.2vw,58px);line-height:1.12;letter-spacing:-.018em;margin-bottom:20px}
.ar-resumo{font-size:clamp(16.5px,1.1vw,20px);color:var(--maresia);max-width:60ch}
.ar-regua{height:3px;border-radius:2px;margin-top:32px;background:linear-gradient(90deg,var(--sinal),var(--mare))}

/* ---------- corpo ---------- */
article{padding-bottom:clamp(40px,5vw,80px)}
article h2{font-family:Fraunces,Georgia,serif;font-weight:400;font-size:clamp(22px,2.3vw,34px);line-height:1.2;letter-spacing:-.015em;margin:clamp(36px,3.6vw,60px) 0 14px}
article h3{font-size:clamp(17px,1.3vw,21px);font-weight:600;letter-spacing:-.01em;margin:28px 0 8px}
article p{margin-bottom:16px;color:var(--maresia)}
article p strong{color:var(--areia);font-weight:600}
article ul,article ol{margin:0 0 18px 22px;color:var(--maresia)}
article li{margin-bottom:8px}
article li strong{color:var(--areia);font-weight:600}

/* ---------- índice ---------- */
.ar-indice{border:1px solid var(--linha);border-radius:12px;background:var(--casco);padding:22px 24px;margin:32px 0}
.ar-indice b{display:block;font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--fraco);margin-bottom:12px}
.ar-indice ol{margin:0 0 0 20px;color:var(--maresia)}
.ar-indice li{margin-bottom:6px}

/* ---------- destaques ---------- */
.ar-nota{border:1px solid var(--linha);border-left:3px solid var(--sinal);border-radius:0 12px 12px 0;background:var(--casco);padding:22px 24px;margin:28px 0}
.ar-nota b{display:block;font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--sinal);margin-bottom:8px}
.ar-nota p{margin:0}
.ar-nota.risco{border-left-color:var(--selo)}
.ar-nota.risco b{color:var(--selo)}

.ar-tabela{width:100%;border-collapse:collapse;margin:24px 0;font-size:.94em}
.ar-tabela th,.ar-tabela td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--linha)}
.ar-tabela th{font-family:"JetBrains Mono",monospace;font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--fraco);font-weight:400}
.ar-tabela td{color:var(--maresia)}
.ar-tabela td:first-child{color:var(--areia);font-weight:500}
.ar-tabela .num{font-family:"JetBrains Mono",monospace;text-align:right}

/* ---------- perguntas frequentes ---------- */
.ar-faq{border-top:1px solid var(--linha);margin-top:16px}
.ar-faq details{border-bottom:1px solid var(--linha)}
.ar-faq summary{cursor:pointer;padding:16px 0;font-weight:600;font-size:1.02em;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.ar-faq summary::-webkit-details-marker{display:none}
.ar-faq summary::after{content:"+";color:var(--sinal);font-family:"JetBrains Mono",monospace;flex-shrink:0}
.ar-faq details[open] summary::after{content:"−"}
.ar-faq details p{padding-bottom:16px;margin:0}

/* ---------- chamada final ---------- */
.ar-cta{border:1px solid var(--linha);border-radius:16px;background:var(--casco);padding:clamp(32px,4vw,56px) clamp(22px,3vw,40px);text-align:center;position:relative;overflow:hidden;margin:clamp(36px,4vw,64px) 0}
.ar-cta::before{content:"";position:absolute;top:0;left:15%;right:15%;height:1px;background:linear-gradient(90deg,transparent,var(--sinal),var(--mare),transparent)}
.ar-cta h2{margin-top:0}
.ar-cta p{max-width:48ch;margin:0 auto 26px}
.ar-btn{display:inline-flex;align-items:center;gap:8px;font-size:14.5px;font-weight:500;padding:13px 22px;border-radius:8px;background:var(--sinal);color:#10161C;border:1px solid transparent;transition:transform .16s,filter .16s}
.ar-btn:hover{filter:brightness(1.08);transform:translateY(-1px);border-bottom-color:transparent}
.ar-btn.vazio{background:transparent;color:var(--areia);border-color:var(--linha-forte)}
.ar-btn.vazio:hover{border-color:var(--sinal);color:var(--sinal)}

/* ---------- leituras relacionadas ---------- */
.ar-relacionados{display:grid;grid-template-columns:repeat(auto-fit,minmax(clamp(230px,20vw,320px),1fr));gap:14px;margin:28px 0 8px}
.ar-card{border:1px solid var(--linha);border-radius:12px;background:var(--casco);padding:22px;transition:border-color .2s,transform .2s;border-bottom:1px solid var(--linha)}
.ar-card:hover{border-color:var(--sinal);transform:translateY(-2px)}
.ar-card b{display:block;font-size:15.5px;font-weight:600;color:var(--areia);margin-bottom:6px;letter-spacing:-.01em}
.ar-card span{font-size:14.5px;color:var(--maresia);line-height:1.55;display:block}

/* ---------- rodapé ---------- */
.ar-rodape{border-top:1px solid var(--linha);padding:26px 0 44px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--fraco)}
.ar-rodape a{color:var(--fraco)}
.ar-rodape .mono{font-size:11px;letter-spacing:.06em}

@media(max-width:640px){
  body{font-size:16.5px;line-height:1.72}
  .ar-mark span{display:none}
  .ar-nav a{font-size:13.5px;padding:8px 10px}
  .ar-medida{max-width:100%}
  .ar-tabela th,.ar-tabela td{padding:10px 8px;font-size:14px}
}