:root{
    --bg:#fbfaf8; --surface:#ffffff; --line:#e4e0d9;
    --ink:#1a1815; --muted:#605a52; --faint:#8b8478;
    --accent:#8a5a2b; --accent-soft:#f4ece2;
    --ok:#2f6b46; --ok-soft:#e8f2ec;
    --max:64rem;
  }
  @media (prefers-color-scheme:dark){
    :root:not([data-theme="light"]){
      --bg:#141311; --surface:#1c1a18; --line:#312d28;
      --ink:#f0ece6; --muted:#a9a197; --faint:#7d7669;
      --accent:#d99a5b; --accent-soft:#2a2118;
      --ok:#7ec49b; --ok-soft:#1a2620;
    }
  }
  :root[data-theme="dark"]{
    --bg:#141311; --surface:#1c1a18; --line:#312d28;
    --ink:#f0ece6; --muted:#a9a197; --faint:#7d7669;
    --accent:#d99a5b; --accent-soft:#2a2118;
    --ok:#7ec49b; --ok-soft:#1a2620;
  }

  *{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%}
  body{
    margin:0; background:var(--bg); color:var(--ink);
    font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
    font-size:17px; line-height:1.65; letter-spacing:-0.006em;
  }
  .wrap{max-width:var(--max); margin:0 auto; padding:0 1.5rem}
  h1,h2,h3{font-family:Fraunces,Georgia,serif; font-weight:600; letter-spacing:-0.02em; line-height:1.15; margin:0}
  a{color:var(--accent)}
  hr{border:0;border-top:1px solid var(--line);margin:0}

  /* header */
  header{border-bottom:1px solid var(--line); background:var(--surface)}
  .bar{display:flex; align-items:center; justify-content:space-between; gap:1rem; padding:1.1rem 0}
  .brand{display:flex; align-items:baseline; gap:.6rem; font-family:Fraunces,Georgia,serif; font-size:1.3rem; font-weight:600; text-decoration:none; color:var(--ink)}
  .brand span{font-family:Inter,sans-serif; font-size:.72rem; font-weight:500; letter-spacing:.13em; text-transform:uppercase; color:var(--faint)}
  nav{display:flex; gap:1.4rem; font-size:.9rem}
  nav a{color:var(--muted); text-decoration:none}
  nav a:hover{color:var(--accent)}
  @media(max-width:620px){nav{display:none}}

  /* hero */
  .hero{padding:5rem 0 4rem}
  .eyebrow{display:inline-block; font-size:.74rem; font-weight:600; letter-spacing:.14em; text-transform:uppercase; color:var(--accent); background:var(--accent-soft); padding:.35rem .7rem; border-radius:100px; margin-bottom:1.6rem}
  .hero h1{font-size:clamp(2.3rem,5.5vw,3.5rem); max-width:20ch}
  .lede{font-size:clamp(1.05rem,2.2vw,1.25rem); color:var(--muted); max-width:56ch; margin:1.5rem 0 0}
  .lede strong{color:var(--ink); font-weight:600}

  /* registro */
  .registro{margin-top:2.75rem; border:1px solid var(--line); border-left:3px solid var(--accent); background:var(--surface); border-radius:.6rem; padding:1.4rem 1.5rem; max-width:46rem}
  .registro dl{display:grid; grid-template-columns:auto 1fr; gap:.55rem 1.5rem; margin:0; font-size:.93rem}
  .registro dt{color:var(--faint); white-space:nowrap}
  .registro dd{margin:0; font-weight:500}
  .registro .num{font-variant-numeric:tabular-nums; letter-spacing:.02em}
  @media(max-width:520px){.registro dl{grid-template-columns:1fr; gap:.15rem} .registro dd{margin-bottom:.7rem}}

  /* sections */
  section{padding:4rem 0}
  section + section{border-top:1px solid var(--line)}
  .kicker{font-size:.74rem; font-weight:600; letter-spacing:.14em; text-transform:uppercase; color:var(--faint); margin-bottom:.9rem}
  h2{font-size:clamp(1.6rem,3.2vw,2.1rem); max-width:24ch}
  section p{color:var(--muted); max-width:62ch}
  section h2 + p{margin-top:1.1rem}

  /* steps */
  ol.steps{list-style:none; counter-reset:s; padding:0; margin:2.5rem 0 0; display:grid; gap:1px; background:var(--line); border:1px solid var(--line); border-radius:.6rem; overflow:hidden}
  ol.steps li{counter-increment:s; background:var(--surface); padding:1.5rem 1.6rem 1.5rem 4.2rem; position:relative}
  ol.steps li::before{content:counter(s); position:absolute; left:1.5rem; top:1.5rem; width:1.65rem; height:1.65rem; border-radius:50%; background:var(--accent-soft); color:var(--accent); font-size:.82rem; font-weight:600; display:flex; align-items:center; justify-content:center; font-variant-numeric:tabular-nums}
  ol.steps h3{font-size:1.06rem; margin-bottom:.35rem}
  ol.steps p{margin:0; font-size:.95rem}
  ol.steps li.pivot{background:var(--ok-soft)}
  ol.steps li.pivot::before{background:var(--ok); color:var(--surface)}

  .callout{margin-top:2rem; border:1px solid var(--line); border-radius:.6rem; padding:1.3rem 1.5rem; background:var(--surface)}
  .callout p{margin:0; font-size:.95rem}
  .callout strong{color:var(--ink)}

  /* grid */
  .grid{display:grid; grid-template-columns:repeat(auto-fit,minmax(15rem,1fr)); gap:1.6rem; margin-top:2.5rem}
  .card h3{font-size:1.02rem; margin-bottom:.4rem}
  .card p{font-size:.94rem; margin:0}

  /* risco */
  .risco{background:var(--surface)}
  .risco ul{margin:1.6rem 0 0; padding:0; list-style:none; display:grid; gap:.85rem; max-width:62ch}
  .risco li{position:relative; padding-left:1.4rem; color:var(--muted); font-size:.95rem}
  .risco li::before{content:"—"; position:absolute; left:0; color:var(--faint)}

  /* english */
  .en{background:var(--surface)}
  .en .box{border:1px solid var(--line); border-radius:.6rem; padding:1.6rem 1.7rem; max-width:60rem}
  .en h2{font-size:1.35rem}
  .en p{font-size:.95rem}

  /* footer */
  footer{border-top:1px solid var(--line); background:var(--surface); padding:3rem 0 3.5rem; font-size:.89rem; color:var(--muted)}
  .fgrid{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:2.5rem}
  @media(max-width:700px){.fgrid{grid-template-columns:1fr; gap:2rem}}
  footer h4{font-family:Inter,sans-serif; font-size:.74rem; font-weight:600; letter-spacing:.13em; text-transform:uppercase; color:var(--faint); margin:0 0 .8rem}
  footer ul{list-style:none;margin:0;padding:0;display:grid;gap:.45rem}
  footer a{color:var(--muted); text-decoration:none}
  footer a:hover{color:var(--accent); text-decoration:underline}
  .legal{margin-top:2.5rem; padding-top:1.6rem; border-top:1px solid var(--line); font-size:.82rem; color:var(--faint); max-width:70ch}

/* --- páginas de documento --- */
.doc{padding:3.5rem 0 4.5rem;max-width:52rem}
.doc h1{font-size:clamp(1.9rem,4vw,2.6rem)}
.doc .updated{color:var(--faint);font-size:.88rem;margin-top:.8rem}
.doc h2{font-size:1.25rem;margin-top:2.8rem}
.doc h3{font-size:1.02rem;margin-top:1.8rem;font-family:Inter,sans-serif;font-weight:600}
.doc p,.doc li{color:var(--muted);max-width:64ch}
.doc p{margin:.9rem 0}
.doc ul{padding-left:1.1rem;display:grid;gap:.5rem;margin:.9rem 0}
.doc table{width:100%;border-collapse:collapse;margin:1.2rem 0;font-size:.93rem}
.doc th,.doc td{text-align:left;padding:.7rem .8rem;border-bottom:1px solid var(--line);vertical-align:top}
.doc th{color:var(--faint);font-weight:600;font-size:.78rem;letter-spacing:.08em;text-transform:uppercase}
.doc .tablewrap{overflow-x:auto}

/* --- tabela de perfis --- */
.perfis{width:100%;border-collapse:collapse;margin:2.2rem 0 0;font-size:.95rem;background:var(--surface);border:1px solid var(--line);border-radius:.6rem;overflow:hidden}
.perfis th{text-align:left;padding:.9rem 1.1rem;background:var(--accent-soft);color:var(--accent);font-size:.74rem;font-weight:600;letter-spacing:.1em;text-transform:uppercase;border-bottom:1px solid var(--line)}
.perfis td{padding:1rem 1.1rem;border-bottom:1px solid var(--line);color:var(--muted);vertical-align:middle}
.perfis tbody tr:last-child td{border-bottom:0}
.perfis td strong{color:var(--ink);font-weight:600}
.perfis .plus{color:var(--faint);padding:0 .15rem}
.tablewrap{overflow-x:auto}

/* --- duas atividades reguladas --- */
.duas{display:grid;grid-template-columns:repeat(auto-fit,minmax(17rem,1fr));gap:1.2rem;margin:2rem 0 0}
.ativ{border:1px solid var(--line);border-top:3px solid var(--accent);border-radius:.6rem;padding:1.4rem 1.5rem;background:var(--surface)}
.ativ .norma{display:inline-block;font-size:.7rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-bottom:.7rem}
.ativ h3{font-size:1.06rem;margin-bottom:.5rem}
.ativ p{font-size:.94rem;margin:0}