/* CAJU · A Natureza de Ciro Fernandes — ambiente digital
   Layout: coluna única de leitura, como um triedro em pé: logo, datas, gravura, e a visita em faixas.
   Identidade única (papel cor de creme do triedro), sem tema escuro, por escolha. */
:root {
  --papel: #fbe7cf;      /* fundo do triedro */
  --papel-2: #f5d9b8;    /* faixa um tom abaixo */
  --tinta: #1e1d1b;      /* preto do logotipo */
  --tinta-2: #4a4038;    /* texto secundário, marrom de madeira */
  --caju: #d5532f;       /* vermelho do C */
  --laranja: #e38e3b;    /* laranja do A */
  --oliva: #7f8636;      /* verde do U, um pouco mais escuro para contraste */
  --linha: rgba(30, 29, 27, .16);
  --display: "Jost", "Futura", "Century Gothic", "Avenir Next", system-ui, sans-serif;
  --leitura: "Literata", "Iowan Old Style", Georgia, serif;
  --raio: 14px;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--papel); color: var(--tinta);
  font: 400 1.0625rem/1.55 var(--display);
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--caju); outline-offset: 3px; border-radius: 6px; }
.wrap { max-width: 40rem; margin: 0 auto; }
.pular { position: absolute; left: -999px; top: 0; background: var(--tinta); color: var(--papel); padding: .6rem 1rem; z-index: 20; }
.pular:focus { left: max(16px, env(safe-area-inset-left, 0px)); top: calc(env(safe-area-inset-top, 0px) + 8px); }
h1, h2, h3 { text-wrap: balance; line-height: 1.12; margin: 0; }
.rotulo { font: 600 .78rem/1.2 var(--display); letter-spacing: .16em; text-transform: uppercase; color: var(--tinta-2); margin: 0; }
.num { font-variant-numeric: tabular-nums; }

/* ---------- topo ---------- */
.topo { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-block: 18px 6px; }
.topo a.marca { display: block; width: 104px; }
.topo .qr { font: 600 .82rem/1 var(--display); letter-spacing: .12em; text-transform: uppercase; color: var(--tinta-2); }

/* ---------- home ---------- */
.capa { padding-block: 28px 8px; display: grid; gap: 22px; }
.capa .logo { width: min(100%, 30rem); }
.capa .tese { font-size: 1.2rem; line-height: 1.45; max-width: 33rem; margin: 0; }
.capa .tese b { font-weight: 600; }
.datas { display: grid; grid-template-columns: auto 1fr; gap: 18px 22px; align-items: start; border-top: 2px solid var(--tinta); padding-top: 16px; }
.datas .periodo { font: 700 1.9rem/1 var(--display); letter-spacing: -.01em; display: grid; gap: 8px; }
.datas .periodo span.traco { display: block; width: 44px; height: 4px; background: var(--tinta); }
.datas dl { margin: 0; display: grid; gap: 10px; font: 600 .78rem/1.3 var(--display); letter-spacing: .08em; text-transform: uppercase; }
.datas dt { color: var(--tinta-2); font-weight: 500; }
.datas dd { margin: 0; }
.gravura { margin: 26px 0 0; position: relative; }
.gravura img { width: 100%; border-radius: 4px; }
.gravura figcaption { font-size: .82rem; color: var(--tinta-2); margin-top: 8px; }

.secao { padding-block: 44px 8px; display: grid; gap: 18px; }
.secao > h2 { font: 700 1.7rem/1.1 var(--display); }
.secao > p.intro { margin: 0; color: var(--tinta-2); max-width: 34rem; }

.roteiro-btn { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: center; text-decoration: none;
  background: var(--tinta); color: var(--papel); border-radius: var(--raio); padding: 18px 20px; }
.roteiro-btn .play { width: 56px; height: 56px; border-radius: 50%; background: var(--caju); display: grid; place-items: center; }
.roteiro-btn strong { display: block; font-size: 1.25rem; }
.roteiro-btn span.sub { color: #e9d3b7; font-size: .95rem; }

.nucleo { display: grid; gap: 4px; padding-top: 12px; }
.nucleo header { display: flex; align-items: center; gap: 14px; padding-bottom: 8px; border-bottom: 2px solid var(--tinta); }
.nucleo header img { width: 46px; height: 46px; object-fit: contain; }
.nucleo header h3 { font: 700 1.3rem/1.1 var(--display); }
.nucleo header p { margin: 2px 0 0; font-size: .9rem; color: var(--tinta-2); }
.lista { list-style: none; margin: 0; padding: 0; }
.lista a { display: grid; grid-template-columns: 3.1rem 1fr auto; gap: 12px; align-items: center; padding: 12px 2px; text-decoration: none; border-bottom: 1px solid var(--linha); }
.lista .n { font: 700 1rem/1 var(--display); font-variant-numeric: tabular-nums; color: var(--papel); background: var(--tinta);
  border-radius: 8px; padding: 8px 0; text-align: center; }
.lista .t { min-width: 0; }
.lista .t strong { display: block; font-weight: 500; font-size: 1.05rem; line-height: 1.25; }
.lista .t span { font-size: .85rem; color: var(--tinta-2); }
.lista .seta { color: var(--caju); font-weight: 700; }
.lista a:hover .t strong { text-decoration: underline; text-underline-offset: 3px; }

.curios { display: grid; gap: 12px; margin: 0; padding: 0; list-style: none; counter-reset: c; }
.curios li { background: var(--papel-2); border-radius: var(--raio); padding: 16px 18px 16px 58px; position: relative; min-width: 0; }
.curios li::before { counter-increment: c; content: counter(c); position: absolute; left: 16px; top: 14px; width: 28px; height: 28px; border-radius: 50%;
  background: var(--laranja); color: var(--tinta); font: 700 .9rem/28px var(--display); text-align: center; }
.curios strong { display: block; font-size: 1.05rem; margin-bottom: 2px; }
.curios p { margin: 0; color: var(--tinta-2); font-size: .97rem; }

/* quiz */
.quiz { background: var(--tinta); color: var(--papel); border-radius: var(--raio); padding: 22px 20px; display: grid; gap: 16px; }
.quiz .prog { display: flex; justify-content: space-between; font: 600 .78rem/1 var(--display); letter-spacing: .14em; text-transform: uppercase; color: #e9d3b7; }
.quiz .barra { height: 4px; background: rgba(251, 231, 207, .2); border-radius: 4px; overflow: hidden; }
.quiz .barra i { display: block; height: 100%; background: var(--laranja); width: 0; transition: width .3s; }
.quiz h3 { font: 600 1.3rem/1.25 var(--display); }
.quiz .ops { display: grid; gap: 10px; }
.quiz button.op { font: 500 1.02rem/1.3 var(--display); text-align: left; padding: 14px 16px; border-radius: 10px; border: 2px solid rgba(251, 231, 207, .35);
  background: transparent; color: var(--papel); cursor: pointer; }
.quiz button.op:hover:not([disabled]) { border-color: var(--laranja); }
.quiz button.op.certa { background: var(--oliva); border-color: var(--oliva); color: #fff; }
.quiz button.op.errada { background: var(--caju); border-color: var(--caju); color: #fff; }
.quiz button.op[disabled] { cursor: default; }
.quiz .expl { margin: 0; color: #f3dcc0; }
.quiz .acoes { display: flex; gap: 10px; flex-wrap: wrap; }
.btn { font: 600 1rem/1 var(--display); padding: 14px 20px; border-radius: 999px; border: 0; cursor: pointer; background: var(--laranja); color: var(--tinta); text-decoration: none; display: inline-block; }
.btn.claro { background: var(--papel); }

.bloco-texto { font-family: var(--leitura); font-size: 1.05rem; line-height: 1.7; max-width: 36rem; }
.bloco-texto p { margin: 0 0 1em; }

.rodape { padding-block: 48px 40px; margin-top: 40px; border-top: 2px solid var(--tinta); display: grid; gap: 18px; font-size: .9rem; color: var(--tinta-2); }
.rodape .logos { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.rodape .logos img { height: 64px; width: auto; }

/* ---------- página de audiodescrição ---------- */
.obra-cab { padding-block: 22px 6px; display: grid; gap: 10px; }
.chip { display: inline-flex; align-items: center; gap: 8px; font: 600 .8rem/1 var(--display); letter-spacing: .12em; text-transform: uppercase;
  background: var(--papel-2); border-radius: 999px; padding: 6px 12px 6px 6px; width: fit-content; }
.chip img { width: 24px; height: 24px; object-fit: contain; }
.obra-cab h1 { font: 700 clamp(1.9rem, 7vw, 2.6rem)/1.05 var(--display); letter-spacing: -.01em; }
.obra-cab .autor { margin: 0; font-size: 1.05rem; color: var(--tinta-2); }

.player { margin-top: 18px; background: var(--tinta); color: var(--papel); border-radius: var(--raio); padding: 18px; display: grid; gap: 14px; }
.player .linha { display: grid; grid-template-columns: auto 1fr; gap: 16px; align-items: center; }
.player button.tocar { width: 72px; height: 72px; border-radius: 50%; border: 0; background: var(--caju); color: #fff; cursor: pointer; display: grid; place-items: center; }
.player button.tocar:disabled { background: #6d625a; cursor: default; }
.player .estado { min-width: 0; }
.player .estado strong { display: block; font-size: 1.1rem; }
.player .estado span { color: #e9d3b7; font-size: .92rem; }
.player input[type=range] { width: 100%; accent-color: var(--laranja); }
.player .tempos { display: flex; justify-content: space-between; font-size: .85rem; color: #e9d3b7; font-variant-numeric: tabular-nums; }
.player .extras { display: flex; gap: 8px; flex-wrap: wrap; }
.player .extras button { font: 600 .88rem/1 var(--display); padding: 10px 14px; border-radius: 999px; border: 1.5px solid rgba(251, 231, 207, .4); background: transparent; color: var(--papel); cursor: pointer; }
.player.sem-audio .so-audio { display: none; }

.fotos { display: grid; gap: 12px; margin-top: 24px; }
.fotos figure { margin: 0; }
.fotos figcaption { font-size: .82rem; color: var(--tinta-2); margin-top: 6px; }
.texto-ad { margin-top: 30px; display: grid; gap: 12px; }
.texto-ad h2 { font: 700 1.3rem/1.1 var(--display); }
.navega { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 34px; }
.navega a { text-decoration: none; border: 2px solid var(--tinta); border-radius: var(--raio); padding: 12px 14px; min-width: 0; }
.navega a span { display: block; font: 600 .72rem/1.2 var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--tinta-2); }
.navega a strong { display: block; font-weight: 500; overflow-wrap: anywhere; }
.navega a.prox { text-align: right; }
.inicio { display: block; text-align: center; margin-top: 14px; padding: 14px; background: var(--papel-2); border-radius: var(--raio); text-decoration: none; font-weight: 600; }

@media (min-width: 640px) {
  .datas .periodo { font-size: 2.3rem; }
  .fotos.duas { grid-template-columns: 1fr 1fr; align-items: start; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }