:root {
  --terra: #6b2a08;
  --terra-viva: #a83e10;
  --terra-media: #7a3010;
  --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: #3a7a3a;
  --verde-vivo: #58c858;
  --azul-rio: #2a7a9a;
  --vermelho: #c83a20;
  --vermelho-vivo: #e84a28;
  --indigo: #5a3a9a;
  --rosa-terra: #d4603a;
}
* { 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;
}

/* ── 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%);  }

/* ── NAV ── */
nav {
  position:sticky; top:0; z-index:100;
  background:rgba(26,14,6,.96);
  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:18px; 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; white-space:normal;
}
.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; white-space:normal;
}
.nav-home:hover { color:var(--ocre-claro); border-color:rgba(212,137,42,.6); }

/* ── HERO ── */
#hero {
  background: radial-gradient(ellipse 140% 100% at 50% -10%, #6b2a08 0%, #3d1206 45%, #2a1408 100%);
  position:relative;
  min-height:92vh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center; overflow:hidden;
  padding:6rem 2rem 4rem;
}
.hero-canvas { position:absolute; inset:0; z-index:0; }
.hero-overlay {
  position:absolute; inset:0; z-index:1;
  background:radial-gradient(ellipse 70% 70% at 50% 70%, rgba(26,10,2,.65), rgba(20,8,2,.5));
}
.hero-inner { position:relative; z-index:2; max-width:900px; }
.hero-eyebrow {
  font-family:'Space Mono',monospace; font-size:.72rem; letter-spacing:.35em;
  text-transform:uppercase; color:var(--ocre); margin-bottom:1.5rem; display:block;
  animation:fadeUp .8s ease .2s both;
}
.hero-title {
  font-family:'Playfair Display',serif;
  font-size:clamp(2.8rem,7vw,7rem);
  font-weight:900; color:var(--creme);
  line-height:1.0; margin-bottom:.5rem;
  animation:fadeUp .8s ease .4s both;
}
.hero-title span { color:var(--ocre-vivo); text-shadow:0 0 40px rgba(245,200,66,.25); }
.hero-subtitle {
  font-family:'Playfair Display',serif;
  font-size:clamp(1.2rem,2.5vw,1.9rem);
  font-weight:400; font-style:italic;
  color:rgba(253,240,216,.8); margin:1.2rem 0 2.5rem;
  animation:fadeUp .8s ease .6s both;
}
.hero-stats {
  display:flex; gap:2.5rem; justify-content:center; flex-wrap:wrap;
  margin-bottom:3rem; animation:fadeUp .8s ease .8s both;
}
.stat { text-align:center; }
.stat-num {
  display:block; font-family:'Playfair Display',serif;
  font-size:2.8rem; font-weight:700; color:var(--ocre-vivo); line-height:1; text-shadow:0 0 30px rgba(245,200,66,.3);
}
.stat-lbl {
  font-family:'Space Mono',monospace; font-size:.6rem;
  letter-spacing:.15em; color:var(--texto-muted); text-transform:uppercase;
}
.hero-scroll { color:var(--ocre-vivo); font-size:1.8rem; animation:bob 2s ease infinite; cursor:pointer; }
@keyframes bob { 0%,100%{transform:translateY(0)} 50%{transform:translateY(8px)} }
@keyframes fadeUp { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn { from{opacity:0} to{opacity:1} }

/* ── GEOMETRIC PATTERN BG ── */
.pattern-bg {
  position:absolute; inset:0; z-index:0; opacity:.06;
  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%),
    repeating-linear-gradient(0deg, var(--terra-viva) 0, var(--terra-viva) 1px, transparent 0, transparent 50%);
  background-size:40px 70px;
}

/* ── SECTIONS ── */
section { position:relative; z-index:1; padding:6rem 2rem; }
.si { max-width:1280px; margin:0 auto; }
.s-eyebrow {
  font-family:'Space Mono',monospace; font-size:.8rem; letter-spacing:.3em;
  color:var(--ocre-vivo); text-transform:uppercase; display:block; margin-bottom:.8rem;
}
.s-title {
  font-family:'Playfair Display',serif;
  font-size:clamp(2rem,4.5vw,4rem);
  font-weight:900; color:var(--creme); line-height:1.1; margin-bottom:.6rem; text-shadow:0 2px 20px rgba(0,0,0,.4);
}
.s-sub { font-size:1.1rem; font-weight:300; font-style:italic; color:var(--texto-quente); margin-top:.5rem; max-width:600px; }
.s-head { margin-bottom:3.5rem; }

/* ── INTRO SECTION ── */
#intro-povos { background:linear-gradient(180deg,#1e0c04 0%,#2a1408 100%); }
.intro-grid {
  display:grid; grid-template-columns:1fr 1fr; gap:4rem; align-items:start;
  max-width:1200px; margin:0 auto;
}
.intro-text p { color:var(--texto-quente); margin-bottom:1rem; font-size:1.05rem; line-height:1.85; }
.intro-text p em { color:var(--ocre-claro); font-style:normal; font-weight:600; }
.intro-facts { display:grid; grid-template-columns:1fr 1fr; gap:1rem; }
.fact-card {
  background:rgba(200,120,30,.06); border:1px solid rgba(200,120,30,.2);
  border-radius:12px; padding:1.2rem; transition:all .3s;
}
.fact-card:hover { background:rgba(212,137,42,.07); border-color:rgba(212,137,42,.4); transform:translateY(-3px); }
.fact-card .icon { font-size:1.7rem; display:block; margin-bottom:.4rem; }
.fact-card strong { display:block; color:var(--ocre-vivo); font-family:'Playfair Display',serif; font-size:1.2rem; font-weight:700; }
.fact-card span { font-size:.82rem; color:var(--texto-muted); font-family:'Space Mono',monospace; letter-spacing:.04em; }

/* ── TRONCOS LINGUÍSTICOS ── */
#troncos { background:linear-gradient(180deg, #331a0a 0%, #2a1408 100%); }
.troncos-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1.5rem; margin-top:2rem; }
.tronco-card {
  border-radius:16px; padding:2rem 1.8rem; position:relative; overflow:hidden;
  border:1px solid rgba(200,120,40,.15); transition:all .4s;
}
.tronco-card:hover { transform:translateY(-4px); }
.tronco-tupi { background:linear-gradient(135deg,#3d1206 0%,#5a1e08 100%); border-top:3px solid var(--terra-viva); }
.tronco-macrojee { background:linear-gradient(135deg,#1a0e28 0%,#28183a 100%); border-top:3px solid #6a4acf; }
.tronco-aruak { background:linear-gradient(135deg,#0a2008 0%,#163216 100%); border-top:3px solid var(--verde-vivo); }
.tronco-karib { background:linear-gradient(135deg,#280a22 0%,#3e1238 100%); border-top:3px solid #c84acf; }
.tronco-yanomami { background:linear-gradient(135deg,#3a2008 0%,#5a3410 100%); border-top:3px solid var(--ocre); }
.tronco-isoladas { background:linear-gradient(135deg,#081a1a 0%,#0e2e2e 100%); border-top:3px solid var(--azul-rio); }
.tronco-icon { font-size:2.5rem; margin-bottom:.8rem; display:block; }
.tronco-nome { font-family:'Playfair Display',serif; font-size:1.4rem; font-weight:700; color:var(--creme); margin-bottom:.5rem; }
.tronco-desc { font-size:.92rem; color:var(--texto-quente); line-height:1.7; margin-bottom:1rem; }
.tronco-familias { display:flex; flex-wrap:wrap; gap:.4rem; }
.familia-tag {
  font-family:'Space Mono',monospace; font-size:.6rem; letter-spacing:.1em;
  text-transform:uppercase; padding:.25rem .6rem; border-radius:20px;
  background:rgba(255,255,255,.06); color:rgba(240,228,204,.6);
  border:1px solid rgba(255,255,255,.1);
}

/* ── BARRA DE BUSCA E FILTROS ── */
#catalogo { background:linear-gradient(180deg,#2a1408 0%,#1e0c04 100%); }
.search-bar-wrap { margin-bottom:2rem; }
.search-bar {
  display:flex; gap:1rem; align-items:center; flex-wrap:wrap;
  background:rgba(200,120,30,.08); border:1px solid rgba(200,120,30,.3);
  border-radius:12px; padding:1rem 1.5rem;
}
.search-input {
  flex:1; min-width:200px; background:transparent; border:none; outline:none;
  color:var(--creme); font-family:'Crimson Pro',serif; font-size:1rem;
  placeholder-color:var(--texto-muted);
}
.search-input::placeholder { color:var(--texto-muted); }
.search-ico { color:var(--ocre); font-size:1.2rem; }
.filter-row { display:flex; gap:.5rem; flex-wrap:wrap; margin-top:1rem; }
.filter-btn {
  font-family:'Space Mono',monospace; font-size:.6rem; letter-spacing:.1em;
  text-transform:uppercase; padding:.4rem .9rem; border-radius:20px; cursor:pointer;
  background:rgba(200,120,30,.08); color:var(--texto-muted);
  border:1px solid rgba(255,255,255,.12); transition:all .2s;
}
.filter-btn:hover, .filter-btn.active {
  background:rgba(212,137,42,.15); color:var(--ocre-claro);
  border-color:rgba(212,137,42,.4);
}
.results-count {
  font-family:'Space Mono',monospace; font-size:.7rem; letter-spacing:.12em;
  color:var(--texto-muted); margin-bottom:1.5rem;
}
.results-count span { color:var(--ocre-claro); }

/* ── ESTADOS ACCORDION ── */
.estados-list { display:flex; flex-direction:column; gap:.5rem; }
.estado-item { border:1px solid rgba(200,120,30,.2); border-radius:12px; overflow:hidden; }
.estado-header {
  display:flex; align-items:center; justify-content:space-between;
  padding:1.1rem 1.5rem; cursor:pointer; background:rgba(200,100,20,.05);
  transition:background .2s; gap:1rem;
}
.estado-header:hover { background:rgba(212,137,42,.07); }
.estado-header.open { background:rgba(212,137,42,.1); border-bottom:1px solid rgba(212,137,42,.2); }
.estado-nome { font-family:'Playfair Display',serif; font-size:1.15rem; font-weight:700; color:var(--creme); }
.estado-sigla { font-family:'Space Mono',monospace; font-size:.65rem; letter-spacing:.15em; color:var(--ocre); text-transform:uppercase; }
.estado-count { font-family:'Space Mono',monospace; font-size:.65rem; letter-spacing:.1em; color:var(--texto-muted); }
.estado-arrow { color:var(--ocre); transition:transform .3s; font-size:1rem; }
.estado-header.open .estado-arrow { transform:rotate(180deg); }
.estado-body { display:none; padding:1.5rem; background:rgba(20,8,2,.35); }
.estado-body.open { display:block; }
.povos-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:1rem; }
.povo-card {
  background:rgba(255,200,100,.04); border:1px solid rgba(200,120,40,.1);
  border-radius:10px; padding:1.2rem; cursor:pointer; transition:all .25s;
  position:relative; overflow:hidden;
}
.povo-card:hover { background:rgba(212,137,42,.08); border-color:rgba(212,137,42,.3); transform:translateY(-2px); }
.povo-card.extinto { border-left:3px solid rgba(180,60,40,.6); }
.povo-card.extinto::after { content:'EXTINTO'; position:absolute; top:.5rem; right:.5rem; font-family:'Space Mono',monospace; font-size:.48rem; letter-spacing:.12em; color:rgba(180,60,40,.8); border:1px solid rgba(180,60,40,.4); padding:.2rem .4rem; border-radius:3px; }
.povo-nome { font-family:'Playfair Display',serif; font-size:1.1rem; font-weight:700; color:var(--creme); margin-bottom:.3rem; }
.povo-lingua { font-family:'Space Mono',monospace; font-size:.62rem; letter-spacing:.1em; color:var(--ocre-claro); text-transform:uppercase; margin-bottom:.5rem; display:block; }
.povo-pop { font-size:.88rem; color:var(--texto-muted); margin-bottom:.5rem; }
.povo-tags { display:flex; flex-wrap:wrap; gap:.3rem; margin-top:.5rem; }
.povo-tag-link {
  color: var(--ocre-vivo) !important;
  border-color: rgba(245,200,66,.4) !important;
  background: rgba(245,200,66,.08) !important;
}
.povo-link {
  display:inline-block;margin-top:.5rem;
  font-family:'Space Mono',monospace;font-size:.55rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ocre-vivo);text-decoration:none;
  padding:.2rem .5rem;border:1px solid rgba(245,200,66,.3);border-radius:4px;
  transition:all .2s;
}
.povo-link:hover{background:rgba(245,200,66,.1);border-color:rgba(245,200,66,.6)}
.povo-tag { font-family:'Space Mono',monospace; font-size:.52rem; letter-spacing:.08em; text-transform:uppercase; padding:.2rem .5rem; border-radius:10px; background:rgba(255,255,255,.05); color:rgba(240,228,204,.5); }

/* ── MODAL ── */
.modal-overlay {
  position:fixed; inset:0; z-index:500;
  background:rgba(26,10,4,.9); backdrop-filter:blur(8px);
  display:flex; align-items:center; justify-content:center;
  padding:1.5rem; opacity:0; pointer-events:none; transition:opacity .3s;
}
.modal-overlay.open { opacity:1; pointer-events:all; }
.modal-box {
  background:var(--fundo2); border:1px solid rgba(230,160,60,.35);
  border-radius:20px; width:96vw; max-width:1100px;
  max-height:90vh; overflow:hidden; display:flex; flex-direction:column;
  transform:scale(.96); transition:transform .3s;
}
.modal-overlay.open .modal-box { transform:scale(1); }
.modal-top {
  padding:2rem 2.5rem 1.5rem; border-bottom:1px solid rgba(212,137,42,.15);
  display:flex; align-items:flex-start; gap:1.5rem; position:relative;
}
.modal-icon-big { font-size:3.5rem; line-height:1; flex-shrink:0; }
.modal-title-area h2 { font-family:'Playfair Display',serif; font-size:2rem; font-weight:900; color:var(--creme); line-height:1.1; }
.modal-title-area .subtitle { font-size:1rem; color:var(--texto-muted); font-style:italic; margin-top:.3rem; display:block; }
.modal-status-badge { display:inline-flex; align-items:center; gap:.5rem; font-family:'Space Mono',monospace; font-size:.6rem; letter-spacing:.15em; text-transform:uppercase; padding:.3rem .8rem; border-radius:20px; margin-top:.5rem; }
.status-ativo { background:rgba(76,175,96,.15); color:rgba(76,175,96,.9); border:1px solid rgba(76,175,96,.3); }
.status-extinto { background:rgba(180,60,40,.15); color:rgba(220,80,60,.9); border:1px solid rgba(180,60,40,.3); }
.modal-close {
  position:absolute; top:1.2rem; right:1.5rem;
  background:rgba(255,255,255,.07); border:none; color:var(--texto-muted);
  width:34px; height:34px; border-radius:50%; cursor:pointer; font-size:1.1rem;
  display:flex; align-items:center; justify-content:center; transition:all .2s;
}
.modal-close:hover { background:rgba(212,137,42,.2); color:var(--ocre-claro); }
.modal-scroll { flex:1; overflow-y:auto; padding:2rem 2.5rem; scrollbar-width:thin; scrollbar-color:rgba(212,137,42,.3) transparent; }
.modal-scroll::-webkit-scrollbar { width:5px; }
.modal-scroll::-webkit-scrollbar-thumb { background:rgba(212,137,42,.3); border-radius:3px; }
.modal-body { display:grid; grid-template-columns:1fr 1fr; gap:2.5rem; }
.modal-section h4 {
  font-family:'Playfair Display',serif; font-size:1.25rem; color:var(--ocre-vivo);
  margin-bottom:.8rem; display:flex; align-items:center; gap:.5rem;
  padding-bottom:.5rem; border-bottom:1px solid rgba(212,137,42,.15);
}
.modal-section p, .modal-section li { color:var(--creme-medio); font-size:1rem; line-height:1.8; }
.modal-section ul { list-style:none; padding:0; }
.modal-section ul li { padding:.3rem 0; border-bottom:1px solid rgba(200,120,30,.12); display:flex; align-items:flex-start; gap:.5rem; }
.modal-section ul li::before { content:'▸'; color:var(--ocre); flex-shrink:0; margin-top:.1rem; }
.info-row { display:flex; justify-content:space-between; align-items:center; padding:.5rem 0; border-bottom:1px solid rgba(200,120,30,.1); }
.info-row .lbl { font-family:'Space Mono',monospace; font-size:.65rem; letter-spacing:.1em; text-transform:uppercase; color:var(--texto-muted); }
.info-row .val { font-size:.95rem; color:var(--ocre-claro); font-weight:600; text-align:right; }
.culinaria-tags { display:flex; flex-wrap:wrap; gap:.4rem; margin-top:.5rem; }
.culinaria-tag { background:rgba(230,160,40,.18); color:var(--ocre-vivo); border:1px solid rgba(212,137,42,.25); border-radius:8px; padding:.3rem .7rem; font-size:.85rem; }

/* ── POVOS EXTINTOS ── */
#extintos { background:linear-gradient(180deg,#1e0c04 0%,#160802 100%); }
.extintos-intro { max-width:700px; font-size:1.05rem; color:var(--texto-muted); line-height:1.85; margin-bottom:3rem; }
.extintos-intro em { color:var(--ocre-claro); font-style:normal; }
.extintos-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(250px,1fr)); gap:1rem; }
.extinto-card {
  background:rgba(200,58,32,.1); border:1px solid rgba(200,58,32,.28);
  border-radius:12px; padding:1.4rem; transition:all .3s; cursor:pointer;
}
.extinto-card:hover { background:rgba(180,60,40,.12); border-color:rgba(180,60,40,.4); transform:translateY(-2px); }
.extinto-nome { font-family:'Playfair Display',serif; font-size:1.1rem; font-weight:700; color:#f09878; margin-bottom:.3rem; }
.extinto-periodo { font-family:'Space Mono',monospace; font-size:.6rem; letter-spacing:.12em; text-transform:uppercase; color:rgba(180,60,40,.7); margin-bottom:.5rem; display:block; }
.extinto-desc { font-size:.9rem; color:var(--texto-quente); line-height:1.7; }

/* ── MAPA REGIONS ── */
#regioes { background:#3d2010; }
.regioes-grid { display:grid; grid-template-columns:repeat(5,1fr); gap:1rem; margin-top:2rem; }
.regiao-card {
  border-radius:14px; padding:1.5rem 1.2rem; text-align:center;
  cursor:pointer; transition:all .3s; border:1px solid rgba(200,120,40,.18);
  position:relative; overflow:hidden;
}
.regiao-card::before { content:''; position:absolute; bottom:0; left:0; width:100%; height:3px; }
.regiao-norte { background:linear-gradient(135deg,#0a2208,#123816); }
.regiao-norte::before { background:var(--verde-vivo); }
.regiao-nordeste { background:linear-gradient(135deg,#3a1a06,#5a2e0a); }
.regiao-nordeste::before { background:var(--ocre); }
.regiao-co { background:linear-gradient(135deg,#18082a,#281040); }
.regiao-co::before { background:#8a6acf; }
.regiao-sudeste { background:linear-gradient(135deg,#061826,#0c2a3e); }
.regiao-sudeste::before { background:var(--azul-rio); }
.regiao-sul { background:linear-gradient(135deg,#061e1a,#0e3230); }
.regiao-sul::before { background:#4acfb8; }
.regiao-card:hover { transform:translateY(-4px) scale(1.02); }
.regiao-icon { font-size:2rem; margin-bottom:.6rem; display:block; }
.regiao-nome { font-family:'Playfair Display',serif; font-size:1.1rem; font-weight:700; color:var(--creme); margin-bottom:.3rem; }
.regiao-count { font-family:'Space Mono',monospace; font-size:.62rem; letter-spacing:.1em; color:var(--texto-muted); }
.regiao-estados { font-size:.78rem; color:rgba(240,210,160,.65); margin-top:.3rem; }

/* ── LÍNGUAS ── */
#linguas { background:var(--fundo); }
.linguas-bar-wrap { max-width:700px; margin-top:2rem; }
.lingua-row { display:flex; align-items:center; gap:1rem; margin-bottom:.8rem; }
.lingua-nome { font-family:'Space Mono',monospace; font-size:.68rem; letter-spacing:.08em; color:var(--creme-escuro); min-width:140px; text-align:right; }
.lingua-bar-track { flex:1; height:10px; background:rgba(200,120,30,.15); border-radius:5px; overflow:hidden; }
.lingua-bar-fill { height:100%; background:linear-gradient(90deg, var(--rosa-terra), var(--ocre-vivo)); border-radius:5px; width:0; transition:width 1.2s ease; }
.lingua-count { font-family:'Space Mono',monospace; font-size:.62rem; color:var(--ocre); min-width:60px; }

/* ── CTA ── */
#cta-bera {
  background:linear-gradient(135deg,rgba(168,62,16,.25),rgba(42,20,8,.95));
  border-top:1px solid rgba(212,137,42,.15);
  padding:5rem 2rem; text-align:center;
}
.cta-inner { max-width:600px; margin:0 auto; }
.cta-inner h2 { font-family:'Playfair Display',serif; font-size:2.2rem; color:var(--creme); margin-bottom:1rem; }
.cta-inner p { color:var(--texto-muted); font-size:1.05rem; margin-bottom:2rem; line-height:1.8; }
.btn-cta {
  display:inline-block; font-family:'Space Mono',monospace; font-size:.72rem;
  letter-spacing:.15em; text-transform:uppercase; color:var(--preto);
  background:linear-gradient(135deg, var(--ocre-claro), var(--ocre));
  padding:.85rem 2.2rem; border-radius:8px; text-decoration:none;
  font-weight:700; transition:all .25s; box-shadow:0 4px 20px rgba(212,137,42,.25);
}
.btn-cta:hover { transform:translateY(-2px); box-shadow:0 8px 30px rgba(212,137,42,.4); }
.btn-sec {
  display:inline-block; font-family:'Space Mono',monospace; font-size:.72rem;
  letter-spacing:.15em; text-transform:uppercase; color:var(--ocre-claro);
  border:1px solid rgba(212,137,42,.4);
  padding:.85rem 2.2rem; border-radius:8px; text-decoration:none;
  transition:all .25s; margin-left:1rem;
}
.btn-sec:hover { background:rgba(212,137,42,.1); }

/* ── FOOTER ── */
footer {
  background:var(--fundo-escuro); padding:2rem 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:.7rem; letter-spacing:.1em; color:var(--creme-medio); text-transform:uppercase; }
.ft-link { font-family:'Space Mono',monospace; font-size:.7rem; letter-spacing:.1em; text-transform:uppercase; color:var(--texto-muted); text-decoration:none; transition:color .2s; }
.ft-link:hover { color:var(--ocre-claro); }

/* ── CAPÍTULOS NARRATIVOS ── */
#capitulos { background:var(--fundo-escuro); padding:5rem 2rem; }
.cap-section-head { text-align:center; margin-bottom:3.5rem; }
.cap-section-kicker {
  font-family:'Space Mono',monospace; font-size:.65rem;
  letter-spacing:.4em; text-transform:uppercase;
  color:var(--ocre); display:block; margin-bottom:1rem;
}
.cap-section-titulo {
  font-family:'Playfair Display',serif;
  font-size:clamp(1.6rem,3vw,2.4rem);
  font-weight:700; color:var(--creme);
  line-height:1.15; margin-bottom:1rem;
}
.cap-section-titulo em { color:var(--ocre-claro); font-style:italic; }
.cap-section-sub {
  font-family:'Crimson Pro',serif; font-size:1.05rem;
  font-style:italic; color:var(--texto-muted);
  max-width:580px; margin:0 auto; line-height:1.8;
}
.cap-grid {
  display:grid; grid-template-columns:repeat(3,1fr);
  gap:2px; background:rgba(201,120,32,.08);
  max-width:1100px; margin:0 auto;
}
.cap-card {
  background:var(--fundo2);
  padding:2.4rem 2rem;
  text-decoration:none;
  display:flex; flex-direction:column;
  position:relative; overflow:hidden;
  transition:background .3s;
}
.cap-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(to right, var(--terra-viva), var(--ocre));
  transform:scaleX(0); transform-origin:left;
  transition:transform .35s ease;
}
.cap-card:hover::before { transform:scaleX(1); }
.cap-card:hover { background:rgba(51,26,10,.9); }
.cap-card-num {
  font-family:'Space Mono',monospace; font-size:.6rem;
  letter-spacing:.35em; text-transform:uppercase;
  color:var(--ocre); margin-bottom:1.2rem; display:block;
}
.cap-card-titulo {
  font-family:'Playfair Display',serif;
  font-size:1.2rem; font-weight:700;
  color:var(--creme); line-height:1.2;
  margin-bottom:.7rem;
}
.cap-card-titulo em { color:var(--ocre-claro); font-style:italic; }
.cap-card-desc {
  font-family:'Crimson Pro',serif; font-size:.98rem;
  color:var(--texto-muted); line-height:1.75;
  flex:1; margin-bottom:1.5rem;
}
.cap-card-seta {
  font-family:'Space Mono',monospace; font-size:.6rem;
  letter-spacing:.2em; text-transform:uppercase;
  color:var(--ocre); opacity:.6;
  display:flex; align-items:center; gap:.5rem;
  transition:opacity .2s;
}
.cap-card:hover .cap-card-seta { opacity:1; gap:.9rem; }
.cap-card.destaque {
  grid-column:span 2;
  background:rgba(26,8,4,.9);
}
.cap-card.destaque .cap-card-titulo { font-size:1.5rem; }
.cap-card.destaque::before {
  background:linear-gradient(to right, #c03020, var(--ocre));
}
@media(max-width:900px){
  .cap-grid { grid-template-columns:1fr 1fr; }
  .cap-card.destaque { grid-column:span 2; }
}
@media(max-width:600px){
  .cap-grid { grid-template-columns:1fr; }
  .cap-card.destaque { grid-column:span 1; }
}

/* ── ANIMATIONS ── */
.rev { opacity:0; transform:translateY(28px); transition:opacity .75s ease, transform .75s ease; }
.rev.vis { opacity:1; transform:translateY(0); }
.d1{transition-delay:.15s}.d2{transition-delay:.3s}.d3{transition-delay:.45s}

/* ── TICKER ── */
.ticker-wrap { background:linear-gradient(90deg, var(--terra-viva), var(--ocre), var(--terra-viva)); padding:.65rem 0; overflow:hidden; white-space:nowrap; }
.ticker-inner { display:inline-block; animation:ticker 35s linear infinite; font-family:'Space Mono',monospace; font-size:.7rem; letter-spacing:.25em; text-transform:uppercase; color:rgba(255,245,220,1); font-weight:700; }
@keyframes ticker { from{transform:translateX(0)} to{transform:translateX(-50%)} }

/* ── RESPONSIVE ── */
@media(max-width:900px){
  section { padding:4rem 1.5rem; }
  .intro-grid { grid-template-columns:1fr; gap:2rem; }
  .troncos-grid { grid-template-columns:1fr 1fr; }
  .modal-body { grid-template-columns:1fr; }
  .regioes-grid { grid-template-columns:repeat(3,1fr); }
  nav { flex-wrap:wrap; padding:.8rem 1rem; }
  .nav-links { flex-wrap:wrap; }
}
@media(max-width:600px){
  nav { flex-direction:column; align-items:flex-start; padding:.8rem 1rem; gap:.5rem; }
  .nav-links a { white-space:normal; }
  .troncos-grid { grid-template-columns:1fr; }
  .regioes-grid { grid-template-columns:1fr 1fr; }
  .modal-top { flex-direction:column; padding:1.5rem; }
  .modal-scroll { padding:1.2rem 1.5rem; }
  .hero-stats { gap:1.5rem; }
  .hero-title { font-size:2.8rem; }
  .intro-facts { grid-template-columns:1fr 1fr; }
  section { padding:3.5rem 1rem; }
  .extintos-grid { grid-template-columns:1fr; }
  .povos-grid { grid-template-columns:1fr; }
  .modal-box { width:100vw; height:100vh; border-radius:0; }
  .modal-overlay { padding:0; }
}

.metodologia-nota {
  background: rgba(255,255,255,.03);
  border: 1px solid rgba(255,255,255,.08);
  border-left: 3px solid var(--ocre);
  border-radius: 10px;
  padding: 1.2rem 1.6rem;
  margin-bottom: 2rem;
}
.metodologia-nota p {
  font-size: .95rem;
  color: var(--texto-muted);
  line-height: 1.8;
}
.metodologia-nota p strong {
  color: var(--creme);
}
/* ── BACK TO TOP ── */
#backToTop {
  position:fixed; bottom:2rem; right:2rem; z-index:200;
  background:var(--terra-viva); color:var(--creme);
  border:none; border-radius:50%; width:44px; height:44px;
  font-size:1.2rem; cursor:pointer; display:flex; align-items:center; justify-content:center;
  box-shadow:0 4px 20px rgba(0,0,0,.4); opacity:0; pointer-events:none;
  transition:opacity .3s, transform .3s; transform:translateY(12px);
}
#backToTop.visible { opacity:1; pointer-events:all; transform:translateY(0); }
#backToTop:hover { background:var(--terra); }