:root {
  --terra:#6b2a08; --terra-viva:#a83e10;
  --ocre:#c97820; --ocre-claro:#e8a830; --ocre-vivo:#f5c842;
  --creme:#fdf0d8; --creme-escuro:#e8d4a8; --creme-medio:#d4b880;
  --preto:#1a0e06;
  --fundo:#2a1408; --fundo2:#331a0a; --fundo3:#3d2010; --fundo-escuro:#1e0c04;
  --texto:#fdf0d8; --texto-muted:#c8a870; --texto-quente:#e8c890;
  --verde-vivo:#58c858; --azul-rio:#2a7a9a; --vermelho:#c83a20;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--fundo);color:var(--texto);
  font-family:'Crimson Pro',Georgia,serif;
  font-size:18px;line-height:1.75;overflow-x:hidden;
}

/* ── SKIP LINK ── */
.skip-link{
  position:absolute;top:-40px;left:1rem;z-index:9999;
  background:var(--ocre-vivo);color:var(--preto);
  padding:.5rem 1rem;border-radius:0 0 6px 6px;
  font-family:'Space Mono',monospace;font-size:.75rem;font-weight:700;
  text-decoration:none;transition:top .2s;
}
.skip-link:focus{top:0;}

/* ── CURSOR ── */
.cur{width:10px;height:10px;background:var(--ocre);border-radius:50%;position:fixed;pointer-events:none;z-index:9999;transform:translate(-50%,-50%);transition:transform .15s;}
.cur-ring{width:32px;height:32px;border:1px solid rgba(212,137,42,.5);border-radius:50%;position:fixed;pointer-events:none;z-index:9998;transform:translate(-50%,-50%);transition:left .12s ease,top .12s ease;}
@media(pointer:coarse){.cur,.cur-ring{display:none;transition:left .12s ease,top .12s ease;}}

/* ── NAV ── */
nav{
  position:sticky;top:0;z-index:100;
  background:rgba(26,14,6,.96);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid rgba(212,137,42,.2);
  padding:.8rem 2rem;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
}
.nav-logo{display:flex;align-items:center;text-decoration:none;}
.nav-logo img{height:28px;width:auto;opacity:.9;}
.nav-links{display:flex;gap:.3rem;flex-wrap:wrap;justify-content:center;}
.nav-links a{
  font-family:'Space Mono',monospace;font-size:.62rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--texto-muted);text-decoration:none;
  padding:.35rem .7rem;border-radius:4px;transition:all .2s;
}
.nav-links a:hover,.nav-links a.active{color:var(--ocre-vivo);background:rgba(200,120,30,.15);}
.nav-home{
  font-family:'Space Mono',monospace;font-size:.62rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--texto-muted);text-decoration:none;
  padding:.35rem .8rem;border:1px solid rgba(212,137,42,.25);border-radius:4px;transition:all .2s;
}
.nav-home:hover{color:var(--ocre-claro);border-color:rgba(212,137,42,.6);}

/* ── HERO ── */
.page-hero{
  background:radial-gradient(ellipse 140% 100% at 50% -10%,#3d1206 0%,#2a1408 60%,#1e0c04 100%);
  position:relative;overflow:hidden;
  padding:5rem 2rem 4rem;text-align:center;
}
.pattern-bg{
  position:absolute;inset:0;z-index:0;opacity:.04;
  background-image:
    repeating-linear-gradient(60deg,var(--ocre) 0,var(--ocre) 1px,transparent 0,transparent 50%),
    repeating-linear-gradient(-60deg,var(--ocre) 0,var(--ocre) 1px,transparent 0,transparent 50%);
  background-size:40px 70px;
}
.hero-overlay{position:absolute;inset:0;z-index:1;background:radial-gradient(ellipse 60% 80% at 50% 100%,rgba(26,10,2,.5),transparent);}
.page-hero-inner{position:relative;z-index:2;max-width:760px;margin:0 auto;}
.page-eyebrow{font-family:'Space Mono',monospace;font-size:.72rem;letter-spacing:.35em;text-transform:uppercase;color:var(--ocre);margin-bottom:1.2rem;display:block;animation:fadeUp .7s ease .1s both;}
.page-title{font-family:'Playfair Display',serif;font-size:clamp(2.4rem,6vw,4.8rem);font-weight:900;color:var(--creme);line-height:1.05;margin-bottom:1rem;animation:fadeUp .7s ease .25s both;}
.page-title span{color:var(--ocre-vivo);}
.page-subtitle{font-family:'Playfair Display',serif;font-size:clamp(1rem,2vw,1.45rem);font-style:italic;color:rgba(253,240,216,.8);margin-bottom:2rem;animation:fadeUp .7s ease .4s both;}
.breadcrumb{display:flex;justify-content:center;flex-wrap:wrap;gap:.4rem;font-family:'Space Mono',monospace;font-size:.6rem;letter-spacing:.1em;text-transform:uppercase;color:var(--texto-muted);animation:fadeUp .7s ease .5s both;}
.breadcrumb a{color:var(--ocre-claro);text-decoration:none;transition:color .2s;}
.breadcrumb a:hover{color:var(--ocre-vivo);}
.breadcrumb span{color:rgba(200,168,112,.4);}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* ── METODOLOGIA BANNER ── */
.metod-banner{
  background:var(--fundo-escuro);
  border-bottom:1px solid rgba(212,137,42,.12);
  padding:2.5rem 2rem;
}
.metod-inner{
  max-width:860px;margin:0 auto;
  background:rgba(255,255,255,.02);
  border:1px solid rgba(255,255,255,.07);
  border-left:4px solid var(--ocre);
  border-radius:0 12px 12px 0;
  padding:1.6rem 2rem;
}
.metod-inner h2{font-family:'Playfair Display',serif;font-size:1.2rem;color:var(--ocre-claro);margin-bottom:.7rem;}
.metod-inner p{font-size:.98rem;color:var(--texto-muted);line-height:1.85;}
.metod-inner p strong{color:var(--creme);}

/* ── ÍNDICE ── */
.toc-section{background:var(--fundo2);border-bottom:1px solid rgba(212,137,42,.1);padding:2rem 2rem;}
.toc-inner{max-width:860px;margin:0 auto;}
.toc-label{font-family:'Space Mono',monospace;font-size:.65rem;letter-spacing:.25em;text-transform:uppercase;color:var(--ocre);display:block;margin-bottom:1rem;}
.toc-grid{display:flex;flex-wrap:wrap;gap:.5rem;}
.toc-link{font-family:'Space Mono',monospace;font-size:.6rem;letter-spacing:.08em;text-transform:uppercase;color:var(--texto-muted);text-decoration:none;padding:.35rem .8rem;border:1px solid rgba(212,137,42,.18);border-radius:20px;background:rgba(200,120,30,.04);transition:all .2s;}
.toc-link:hover{color:var(--ocre-claro);border-color:rgba(212,137,42,.45);background:rgba(200,120,30,.1);}

/* ── MAIN ── */
.refs-main{background:var(--fundo);padding:4rem 2rem 6rem;}
.refs-wrap{max-width:860px;margin:0 auto;}

/* ── CATEGORIA ── */
.ref-category{margin-bottom:4rem;}
.cat-header{display:flex;align-items:center;gap:1rem;margin-bottom:2rem;padding-bottom:1rem;border-bottom:1px solid rgba(212,137,42,.2);}
.cat-icon{font-size:2rem;line-height:1;flex-shrink:0;}
.cat-title{font-family:'Playfair Display',serif;font-size:clamp(1.4rem,3vw,2rem);font-weight:700;color:var(--creme);}
.cat-desc{font-size:.95rem;color:var(--texto-muted);font-style:italic;margin-top:.25rem;}

/* ── CARD DE REFERÊNCIA ── */
.ref-card{
  background:rgba(200,100,20,.04);
  border:1px solid rgba(200,120,30,.18);
  border-radius:14px;padding:1.8rem 2rem;
  margin-bottom:1rem;
  transition:border-color .25s,box-shadow .25s,background .25s;
  position:relative;
}
.ref-card:hover{border-color:rgba(212,137,42,.38);background:rgba(200,100,20,.07);box-shadow:0 4px 20px rgba(0,0,0,.2);}
.ref-num{
  position:absolute;top:1.4rem;right:1.6rem;
  font-family:'Space Mono',monospace;font-size:.6rem;letter-spacing:.15em;
  color:rgba(200,120,30,.4);text-transform:uppercase;
}
.ref-tipo{
  display:inline-flex;align-items:center;gap:.4rem;
  font-family:'Space Mono',monospace;font-size:.55rem;letter-spacing:.12em;
  text-transform:uppercase;padding:.2rem .65rem;border-radius:20px;
  margin-bottom:.9rem;
}
.tipo-dados{background:rgba(42,122,154,.12);color:var(--azul-rio);border:1px solid rgba(42,122,154,.25);}
.tipo-livro{background:rgba(168,62,16,.12);color:#e07040;border:1px solid rgba(168,62,16,.25);}
.tipo-artigo{background:rgba(90,58,154,.12);color:#9070e0;border:1px solid rgba(90,58,154,.25);}
.tipo-portal{background:rgba(58,122,58,.12);color:var(--verde-vivo);border:1px solid rgba(58,122,58,.25);}
.tipo-relatorio{background:rgba(200,58,32,.12);color:#e05040;border:1px solid rgba(200,58,32,.25);}
.tipo-legislacao{background:rgba(212,137,42,.12);color:var(--ocre-claro);border:1px solid rgba(212,137,42,.25);}
.ref-titulo{font-family:'Playfair Display',serif;font-size:1.15rem;font-weight:700;color:var(--creme);line-height:1.35;margin-bottom:.5rem;}
.ref-autores{font-family:'Space Mono',monospace;font-size:.65rem;letter-spacing:.06em;color:var(--ocre);text-transform:uppercase;margin-bottom:.6rem;}
.ref-meta{font-size:.92rem;color:var(--texto-muted);line-height:1.7;margin-bottom:.8rem;}
.ref-meta em{color:var(--texto-quente);font-style:italic;}
.ref-meta strong{color:var(--creme-medio);}
.ref-desc{font-size:.95rem;color:var(--texto-quente);line-height:1.8;margin-bottom:1rem;padding-top:.7rem;border-top:1px solid rgba(200,120,30,.12);}
.ref-links{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.8rem;}
.ref-link{
  display:inline-flex;align-items:center;gap:.4rem;
  font-family:'Space Mono',monospace;font-size:.58rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ocre-claro);text-decoration:none;
  padding:.3rem .8rem;border:1px solid rgba(212,137,42,.3);border-radius:6px;
  background:rgba(200,120,30,.05);transition:all .2s;
}
.ref-link:hover{background:rgba(200,120,30,.15);border-color:rgba(212,137,42,.6);color:var(--ocre-vivo);}
.ref-link::before{content:'↗';font-size:.7rem;}

/* ── CITAÇÃO COMO USAR ── */
.cite-box{
  background:rgba(255,255,255,.02);
  border:1px solid rgba(255,255,255,.07);
  border-left:3px solid rgba(212,137,42,.6);
  border-radius:0 8px 8px 0;
  padding:.9rem 1.2rem;margin-top:.8rem;
}
.cite-box .cite-label{font-family:'Space Mono',monospace;font-size:.58rem;letter-spacing:.15em;text-transform:uppercase;color:var(--ocre);margin-bottom:.4rem;display:block;}
.cite-box p{font-size:.85rem;color:var(--texto-muted);line-height:1.7;font-style:italic;}

/* ── AVISO DE METODOLOGIA ── */
.nota-metodologia{
  background:rgba(200,120,30,.05);
  border:1px solid rgba(200,120,30,.18);
  border-radius:14px;padding:2rem 2.2rem;margin-bottom:3rem;
}
.nota-metodologia h3{font-family:'Playfair Display',serif;font-size:1.2rem;color:var(--ocre-claro);margin-bottom:.8rem;}
.nota-metodologia p{font-size:.97rem;color:var(--texto-muted);line-height:1.85;}
.nota-metodologia p + p{margin-top:.7rem;}
.nota-metodologia strong{color:var(--creme);}

/* ── CTA ── */
.cta-banner{background:linear-gradient(135deg,rgba(107,42,8,.6),rgba(51,26,10,.95));border:1px solid rgba(212,137,42,.2);border-radius:16px;padding:2.5rem 2.5rem;display:flex;align-items:center;justify-content:space-between;gap:2rem;flex-wrap:wrap;margin-top:4rem;}
.cta-banner-text h3{font-family:'Playfair Display',serif;font-size:1.6rem;font-weight:700;color:var(--creme);margin-bottom:.5rem;}
.cta-banner-text p{font-size:1rem;color:var(--texto-muted);max-width:480px;line-height:1.7;}
.cta-banner-btns{display:flex;gap:1rem;flex-wrap:wrap;flex-shrink:0;}
.btn-primary{display:inline-flex;align-items:center;gap:.5rem;font-family:'Space Mono',monospace;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--preto);background:linear-gradient(135deg,var(--ocre-claro),var(--ocre));padding:.75rem 1.8rem;border-radius:8px;text-decoration:none;font-weight:700;transition:all .25s;box-shadow:0 4px 16px rgba(212,137,42,.2);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(212,137,42,.35);}
.btn-outline{display:inline-flex;align-items:center;gap:.5rem;font-family:'Space Mono',monospace;font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ocre-claro);border:1px solid rgba(212,137,42,.35);padding:.75rem 1.8rem;border-radius:8px;text-decoration:none;transition:all .25s;}
.btn-outline:hover{background:rgba(212,137,42,.1);border-color:rgba(212,137,42,.6);}

/* ── FOOTER ── */
footer{background:var(--fundo-escuro);padding:2rem;border-top:1px solid rgba(200,120,30,.2);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;}
.ft-copy{font-family:'Space Mono',monospace;font-size:.65rem;letter-spacing:.1em;color:var(--creme-medio);text-transform:uppercase;}
.ft-link{font-family:'Space Mono',monospace;font-size:.65rem;letter-spacing:.1em;text-transform:uppercase;color:var(--texto-muted);text-decoration:none;transition:color .2s;}
.ft-link:hover{color:var(--ocre-claro);}

/* ── BACK TO TOP ── */
#btn-topo{position:fixed;bottom:2rem;right:2rem;z-index:200;background:var(--ocre);color:var(--preto);border:none;border-radius:50%;width:46px;height:46px;font-size:1.1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;box-shadow:0 4px 16px rgba(0,0,0,.4);}
#btn-topo.vis{opacity:1;pointer-events:all;}
#btn-topo:hover{transform:translateY(-3px);}

/* ── REVEAL ── */
.rev{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease;}
.rev.vis{opacity:1;transform:translateY(0);}
.d1{transition-delay:.1s}.d2{transition-delay:.2s}.d3{transition-delay:.3s}

/* ── RESPONSIVE ── */
@media(max-width:900px){
  nav{flex-wrap:wrap;padding:.8rem 1rem;}
  .nav-links{flex-wrap:wrap;}
  .refs-main{padding:3rem 1.5rem 5rem;}
  .cta-banner{flex-direction:column;text-align:center;}
  .cta-banner-btns{justify-content:center;}
}
@media(max-width:600px){
  nav{flex-direction:column;align-items:flex-start;padding:.8rem 1rem;gap:.5rem;}
  .page-hero{padding:3.5rem 1rem 3rem;}
  .refs-main{padding:2.5rem 1rem 4rem;}
  .ref-card{padding:1.4rem 1.4rem;}
  .ref-num{display:none;}
  .toc-section{padding:1.8rem 1rem;}
  .metod-inner{padding:1.2rem 1.4rem;}
  .cta-banner{padding:1.8rem 1.4rem;}
  #btn-topo{bottom:1.2rem;right:1.2rem;}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important;}
}