/* Mundo Energia Brasil: estilo base. Estrutura inspirada no site nuclear (só lido); cores da identidade visual v2. */
:root{
  --paper:#F7F8F5; --card:#FFFFFF; --ink:#141C27; --ink-2:#3F4A5C; --ink-3:#5C6676; --rule:#D9DBD4;
  --azul:#0F2753; --verde:#1B772F; --amarelo:#F2B821; --deep:#0F2753; --on-deep:#F2F4F7; --on-deep-2:#B9C3D3;
  --hidro:#2F64A8; --eolica:#4E9A4F; --solar:#A97E00; --gas:#5A7290; --biomassa:#6E7B22; --nuclear:#4B3F8F; --carvao:#2E3440; --oleo:#8C5A2B;
  --f-display:"Gelasio",Georgia,"Times New Roman",serif;
  --f-body:"Chivo",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  --measure:52rem; --wide:1240px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font:400 1.0625rem/1.7 var(--f-body);-webkit-text-size-adjust:100%}
img,svg{max-width:100%;height:auto}
a{color:var(--azul)}
.wrap{max-width:var(--wide);margin:0 auto;padding:0 1.25rem}
/* texto corrido um pouco mais estreito que a página, para a leitura; gráficos, mapa e quadros usam a largura toda */
.wrap>p,.wrap>ul,.wrap>ol,.wrap>h3,.wrap>.callout,.wrap>.chapter-title,.hero .intro{max-width:var(--measure)}
.wrap-wide{max-width:var(--wide);margin:0 auto;padding:0 1rem}

/* topo */
.masthead{background:var(--card);border-bottom:4px solid var(--amarelo);position:sticky;top:0;z-index:20}
.masthead-in{max-width:var(--wide);margin:0 auto;padding:.5rem 1rem;display:flex;align-items:center;gap:1rem}
.brand img{height:46px;width:auto;display:block}
.menu{margin-left:auto}
.menu>summary{list-style:none;cursor:pointer;font-weight:600;color:var(--azul);padding:.4rem .7rem;border:1px solid var(--rule);border-radius:4px}
.menu>summary::-webkit-details-marker{display:none}
.menu-painel{position:absolute;right:1rem;top:100%;background:var(--card);border:1px solid var(--rule);border-top:4px solid var(--amarelo);border-radius:0 0 6px 6px;padding:1rem 1.2rem;display:grid;grid-template-columns:repeat(3,minmax(10rem,1fr));gap:.4rem 1.6rem;box-shadow:0 8px 24px rgba(15,39,83,.12)}
.menu-painel h3{font:600 .78rem var(--f-body);text-transform:uppercase;letter-spacing:.1em;color:var(--verde);margin:.2rem 0}
.menu-painel ul{list-style:none;margin:0 0 .6rem;padding:0}
.menu-painel a{display:block;padding:.15rem 0;text-decoration:none;color:var(--ink)}
.menu-painel a[aria-current]{color:var(--azul);font-weight:700}

/* abertura */
.hero{background:var(--deep);color:var(--on-deep);padding:3rem 0 2.6rem}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:700;color:var(--verde);margin:0}
.hero .eyebrow{color:var(--amarelo)}
h1{font:600 clamp(2rem,5vw,3rem)/1.12 var(--f-display);margin:.3rem 0 1.4rem}
.hero h1{color:#fff}
.numeros{display:grid;grid-template-columns:repeat(auto-fit,minmax(15rem,1fr));gap:.8rem;margin:0;padding:0;list-style:none}
.numeros li{border-top:4px solid var(--amarelo);background:rgba(255,255,255,.06);padding:.9rem;border-radius:4px}
.numeros strong{display:block;font:600 1.5rem/1.2 var(--f-display);color:#fff}
.numeros span{font-size:.9rem;color:var(--on-deep-2)}
.hero .intro{color:var(--on-deep-2);margin:1.2rem 0 0}

/* capítulos */
.chapter{padding:2.4rem 0}
.chapter.band-soft{background:#EEF1EA}
.chapter-title{font:600 clamp(1.5rem,3.5vw,1.9rem)/1.2 var(--f-display);color:var(--azul);margin:0 0 .8rem}
h3{font:600 1.2rem/1.3 var(--f-display);color:var(--azul);margin:1.8rem 0 .4rem}
p{margin:0 0 1rem}
ul.lista{padding-left:1.2rem}ul.lista li{margin:.2rem 0}
.callout{background:var(--card);border-left:5px solid var(--verde);padding:1rem 1.15rem;margin:1.4rem 0;border-radius:2px}
.callout strong:first-child{color:var(--azul)}
.sem-fonte{background:#FFF6DA;border:1px dashed var(--solar);padding:.1rem .35rem;border-radius:3px;font-size:.92em}
.figure{margin:1.6rem 0;background:var(--card);border-radius:6px;padding:1rem}
.figuras-lado{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,520px),1fr));gap:1rem}
body{overflow-x:hidden}
.figure img{display:block;width:100%}
.figure figcaption{font-size:.85rem;color:var(--ink-3);margin-top:.4rem}
.mapa-reservado{border:2px dashed var(--rule);border-radius:6px;min-height:260px;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--ink-3);padding:1rem;background:var(--card)}
sup.nota a{text-decoration:none;font-size:.72em;font-weight:700;padding:0 .1em}

/* notas e rodapé */
.notes{padding:2.4rem 0;border-top:1px solid var(--rule)}
.notes h2{font:600 1.4rem var(--f-display);color:var(--azul);margin:0 0 .8rem}
.notes-list{font-size:.9rem;color:var(--ink-2);padding-left:1.6rem}
.notes-list li{margin:.25rem 0}
.notes-list li:target{background:#FFF6DA}
.colophon{background:var(--deep);color:var(--on-deep-2);font-size:.85rem;padding:1.6rem 0;text-align:center}
.colophon img{height:52px;background:#fff;border-radius:6px;padding:.35rem .6rem;margin-bottom:.5rem}

@media (max-width:700px){
  .menu-painel{left:.5rem;right:.5rem;grid-template-columns:1fr}
  .brand img{height:38px}
}

.figure-mapa{width:100vw;max-width:none;margin-left:calc(50% - 50vw);border-radius:0;padding:0;background:transparent}
.figure-mapa iframe{display:block;width:100%;height:78vh;min-height:420px;border:0;border-top:4px solid var(--amarelo);border-bottom:1px solid var(--rule)}
.figure-mapa figcaption{max-width:var(--wide);margin:.5rem auto 0;padding:0 1.25rem}
@media (max-width:700px){.figure-mapa iframe{height:70vh;min-height:360px}}

/* fotos ao lado do texto (na página larga) e empilhadas (no celular) */
.foto-lado{float:right;clear:right;width:min(30%,360px);margin:.2rem 0 1rem 1.5rem;background:var(--card);border-radius:6px;padding:.5rem}
.foto-lado img{display:block;width:100%;border-radius:4px;cursor:zoom-in}
.foto-lado figcaption{font-size:.78rem;color:var(--ink-3);margin-top:.3rem;line-height:1.4}
.limpa{clear:both}
@media (max-width:900px){.foto-lado{float:none;width:100%;margin:1rem 0}}
/* gráficos que abrem maiores */
img[data-ampliar]{cursor:zoom-in}
.lightbox{position:fixed;inset:0;z-index:100;background:rgba(15,20,32,.88);display:flex;flex-direction:column;align-items:center;justify-content:center;padding:1rem}
.lightbox[hidden]{display:none}
.lightbox img{max-width:min(96vw,1400px);max-height:84vh;background:#fff;border-radius:6px;cursor:zoom-out}
.lightbox p{color:#E6EAF0;font-size:.88rem;max-width:60rem;text-align:center;margin:.6rem 0 0}
.lightbox button{position:absolute;top:.6rem;right:.8rem;font-size:2rem;line-height:1;background:none;border:0;color:#fff;cursor:pointer}

/* tabelas (Comparativos) e portas de entrada (Home) */
.tabela-rola{overflow-x:auto;margin:1.2rem 0;-webkit-overflow-scrolling:touch}
.tabela{border-collapse:collapse;width:100%;font-size:.92rem;min-width:640px}
.tabela th,.tabela td{border-bottom:1px solid #DDE1DA;padding:.55rem .6rem;text-align:left;vertical-align:top}
.tabela thead th{background:#0F2753;color:#fff;font-weight:600;position:sticky;top:0}
.tabela tbody tr:nth-child(even){background:#EEF1EA}
.tabela td:first-child{font-weight:600;color:#0F2753;white-space:nowrap}
.lista a{color:#0F2753;font-weight:600}