/* Rodada 6: o estilo de vidro e as cenas de ritmo fixo.
   Cada aplicação do vidro pode ser desligada pela URL (?vidro=pastas,arte,paineis,teclas — só as que ficam):
   o <html> recebe data-vidro com a lista, e as regras abaixo só valem quando o nome está nela. */

:root {
  --mola: cubic-bezier(.34, 1.36, .5, 1);
  --suave: cubic-bezier(.2, .8, .2, 1);
  --px: 0; --py: 0;
}

/* =================== FUNDO: luzes suaves, que se movem um pouco com o mouse (sem textura) =================== */
.fundo { position: fixed; inset: 0; z-index: 0; overflow: hidden; pointer-events: none; background: var(--fundo); }
.fundo .luzes { position: absolute; inset: -8%; transform: translate(calc(var(--px) * -22px), calc(var(--py) * -16px)); transition: transform 1.6s var(--suave);
  background: radial-gradient(42vmax 34vmax at 18% 14%, var(--luz-1), transparent 70%), radial-gradient(40vmax 34vmax at 86% 34%, var(--luz-2), transparent 70%), radial-gradient(46vmax 30vmax at 58% 98%, var(--luz-3), transparent 70%); }
/* A Nexora também ganha luzes, neutras: papel e azul-marinho */
:root[data-marca="nexora"] { --luz-1: rgba(30, 42, 90, .1); --luz-2: rgba(140, 150, 175, .14); --luz-3: rgba(30, 42, 90, .07); }
:root[data-marca="nexora"][data-tema="escuro"] { --luz-1: rgba(140, 155, 230, .14); --luz-2: rgba(80, 86, 110, .2); --luz-3: rgba(140, 155, 230, .08); }
:root[data-veu="leve"] .fundo .luzes { filter: saturate(1.4) brightness(1.05); }

/* =================== VIDRO =================== */
:where(.vidro) { position: relative; }
:root[data-vidro~="paineis"] .vidro {
  isolation: isolate;
  background: linear-gradient(180deg, var(--vidro-a) 0%, var(--vidro-b) 55%, var(--vidro-c) 100%);
  -webkit-backdrop-filter: blur(22px) saturate(1.5); backdrop-filter: blur(22px) saturate(1.5);
  border: 0; box-shadow: 0 30px 70px -36px rgba(10, 12, 40, .45);
}
:root { --vidro-a: rgba(255, 255, 255, .34); --vidro-b: rgba(255, 255, 255, .55); --vidro-c: rgba(255, 255, 255, .8); --aro-a: rgba(255, 255, 255, .95); --aro-b: rgba(255, 255, 255, .25); }
:root[data-tema="escuro"] { --vidro-a: rgba(30, 30, 36, .3); --vidro-b: rgba(20, 20, 26, .52); --vidro-c: rgba(12, 12, 16, .78); --aro-a: rgba(255, 255, 255, .42); --aro-b: rgba(255, 255, 255, .06); }
:root[data-marca="nexfield"][data-tema="escuro"] { --vidro-a: rgba(24, 30, 90, .28); --vidro-b: rgba(12, 16, 52, .5); --vidro-c: rgba(6, 8, 30, .78); }
/* o aro: borda em degradê, mais clara no alto */
:root[data-vidro~="paineis"] .vidro::before { content: ''; position: absolute; inset: 0; border-radius: inherit; padding: 1.2px; pointer-events: none; z-index: 2;
  background: linear-gradient(180deg, var(--aro-a), var(--aro-b) 45%, color-mix(in srgb, var(--aro-b) 60%, transparent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0); }
/* o reflexo que segue o ponteiro */
:root[data-vidro~="paineis"] .vidro::after { content: ''; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; z-index: 1; opacity: .85; mix-blend-mode: soft-light;
  background: radial-gradient(320px 240px at calc(50% + var(--vx, 0) * 46%) calc(25% + var(--vy, 0) * 40%), rgba(255, 255, 255, .6), transparent 70%); }
:root[data-tema="escuro"][data-vidro~="paineis"] .vidro::after { mix-blend-mode: screen; opacity: .18; }
.vidro > * { position: relative; z-index: 3; }
:root:not([data-vidro~="paineis"]) .vidro { background: var(--sup); border: 1px solid var(--linha); box-shadow: var(--sombra); }

/* =================== TECLAS =================== */
:root[data-vidro~="teclas"] .tecla { position: relative; min-height: 50px; padding: 0 24px; border-radius: 16px; font-weight: 560; font-size: 15px; color: #fff; border: 0; cursor: pointer;
  background: radial-gradient(120% 100% at 50% 0%, #3c3c42 0%, #141416 58%, #060607 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .24), inset 0 -3px 8px rgba(0, 0, 0, .7), 0 0 0 1px rgba(0, 0, 0, .75), 0 14px 24px -10px rgba(0, 0, 0, .55), 0 3px 6px -2px rgba(0, 0, 0, .35);
  transition: transform .35s var(--mola), box-shadow .35s var(--suave), filter .2s; }
:root[data-vidro~="teclas"][data-tema="escuro"] .tecla { color: #111113; background: radial-gradient(120% 100% at 50% 0%, #fff 0%, #ececee 55%, #cfcfd4 100%);
  box-shadow: inset 0 1px 0 #fff, inset 0 -3px 8px rgba(0, 0, 0, .16), 0 0 0 1px rgba(0, 0, 0, .45), 0 14px 24px -10px rgba(0, 0, 0, .7); }
:root[data-vidro~="teclas"][data-marca="nexfield"] .tecla.marca-cor { color: #fff; background: radial-gradient(120% 110% at 50% 0%, #6E86FF 0%, #2747F5 45%, #1B2FD9 75%, #12208F 100%);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .45), inset 0 -3px 9px rgba(6, 10, 60, .7), 0 0 0 1px rgba(10, 16, 90, .8), 0 16px 28px -10px rgba(39, 71, 245, .7); }
:root[data-vidro~="teclas"] .tecla.clara, :root[data-vidro~="teclas"] .tecla.vidro-tecla { color: var(--txt); background: linear-gradient(180deg, rgba(255, 255, 255, .9), rgba(226, 226, 232, .8)); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  box-shadow: inset 0 1px 0 #fff, inset 0 -2px 4px rgba(0, 0, 0, .06), 0 0 0 1px rgba(0, 0, 0, .14), 0 10px 18px -8px rgba(0, 0, 0, .28); }
:root[data-vidro~="teclas"][data-tema="escuro"] .tecla.clara, :root[data-vidro~="teclas"][data-tema="escuro"] .tecla.vidro-tecla { color: var(--txt); background: linear-gradient(180deg, rgba(255, 255, 255, .16), rgba(255, 255, 255, .05));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .22), 0 0 0 1px rgba(255, 255, 255, .1), 0 10px 18px -8px rgba(0, 0, 0, .6); }
:root[data-vidro~="teclas"] .tecla:hover { transform: translateY(-2px); }
:root[data-vidro~="teclas"] .tecla:active { transform: translateY(0) scale(.95); transition-duration: .12s; }
:root:not([data-vidro~="teclas"]) .tecla { min-height: 52px; padding: 0 26px; border-radius: 999px; border: 0; font-weight: 550; font-size: 16px; cursor: pointer; background: var(--acento); color: var(--acento-txt); transition: transform .15s, filter .15s, background .15s; }
:root:not([data-vidro~="teclas"]) .tecla:hover { filter: brightness(1.08); }
:root:not([data-vidro~="teclas"]) .tecla:active { transform: scale(.97); }
:root:not([data-vidro~="teclas"])[data-marca="nexfield"] .tecla:not(.clara):not(.vidro-tecla) { background: var(--gradiente); color: #fff; box-shadow: 0 10px 30px -10px rgba(106, 59, 255, .8); }
:root:not([data-vidro~="teclas"]) .barra .tecla { min-height: 44px; padding: 0 20px; font-size: 14.5px; }
:root:not([data-vidro~="teclas"]) .tecla.clara, :root:not([data-vidro~="teclas"]) .tecla.vidro-tecla { background: color-mix(in srgb, var(--txt) 5%, transparent); color: var(--txt); box-shadow: inset 0 0 0 1px var(--linha); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
:root:not([data-vidro~="teclas"]) .tecla.clara:hover, :root:not([data-vidro~="teclas"]) .tecla.vidro-tecla:hover { background: color-mix(in srgb, var(--txt) 10%, transparent); }
:root:not([data-vidro~="teclas"]) .avancar .tecla { min-height: 46px; width: 46px; padding: 0; }
.tecla { display: inline-flex; align-items: center; justify-content: center; gap: 10px; font-family: inherit; white-space: nowrap; text-decoration: none; }
.tecla.quadrada { width: 50px; padding: 0; }
.tecla svg { flex: none; }

/* =================== CENAS =================== */
html.em-cenas, html.em-cenas body { overflow: hidden; height: 100%; overscroll-behavior: none; }
.cenas { position: fixed; inset: 0; z-index: 2; }
.cena { position: absolute; inset: 0; display: flex; align-items: center; padding: 104px max(24px, calc((100vw - 1200px) / 2)) 96px; visibility: hidden; pointer-events: none; }
.cena.ativa { visibility: visible; pointer-events: auto; }
.cena.ativa.saindo { pointer-events: none; }
.cena > .miolo { width: 100%; max-height: 100%; }
.cena .rola { max-height: 100%; }
.cena .rola.transborda, .cena > .miolo.transborda { overflow-y: auto; overflow-x: hidden; overscroll-behavior: contain; }
:root[data-vidro~="paineis"] .transborda .vidro { -webkit-backdrop-filter: none; backdrop-filter: none; box-shadow: none; background: linear-gradient(180deg, color-mix(in srgb, var(--sup) 94%, transparent), var(--sup)); }
html, body, .cena, .cena *, .pastas { scrollbar-width: none; }
html::-webkit-scrollbar, body::-webkit-scrollbar, .cena ::-webkit-scrollbar, .cena::-webkit-scrollbar { display: none; }
.cena { overflow: hidden; }

/* Navegação: pontos à direita, contador e a tecla de avançar embaixo */
.passos { position: fixed; z-index: 15; right: 22px; top: 50%; transform: translateY(-50%); display: flex; flex-direction: column; gap: 6px; padding: 8px 6px; border-radius: 999px; }
.passos button { all: unset; position: relative; width: 22px; height: 22px; display: grid; place-items: center; cursor: pointer; }
.passos button::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: color-mix(in srgb, var(--txt) 28%, transparent); transition: transform .4s var(--mola), background .3s; }
.passos button[aria-current="true"]::before { background: var(--acento); transform: scale(1.7); }
.passos button span { position: absolute; right: 30px; white-space: nowrap; font-size: 12.5px; padding: 5px 10px; border-radius: 10px; background: color-mix(in srgb, var(--sup) 80%, transparent); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); box-shadow: 0 0 0 .5px var(--linha); opacity: 0; transform: translateX(6px); transition: opacity .2s, transform .3s var(--suave); pointer-events: none; color: var(--txt); }
.passos button:hover span, .passos button:focus-visible span { opacity: 1; transform: none; }
.avancar { position: fixed; z-index: 15; left: 50%; bottom: 22px; transform: translateX(-50%); display: flex; align-items: center; gap: 14px; }
.avancar .contador { font-family: 'Geist Mono', monospace; font-size: 11.5px; letter-spacing: .12em; color: var(--muted); min-width: 64px; text-align: right; }
.avancar .contador b { color: var(--txt); font-weight: 500; }
.avancar .dica { font-family: 'Geist Mono', monospace; font-size: 10.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); min-width: 64px; }
.avancar .tecla { min-height: 46px; width: 46px; padding: 0; border-radius: 15px; }
.avancar[data-fim] .tecla svg { transform: rotate(180deg); }

/* =================== PASTA =================== */
.pasta { --k: 1; --dobra: 0deg; --sobe: 34px; --abre: 0px; --leque: 0deg; --pilha: 13px; --vx: 0; --vy: 0;
  position: relative; width: calc(300px * var(--k)); height: calc(290px * var(--k)); flex: none; cursor: pointer; isolation: isolate; -webkit-tap-highlight-color: transparent; }
.pasta.grande { --k: 1.25; }
.pasta .palco { position: absolute; left: 0; top: calc(50px * var(--k)); width: 300px; height: 240px; transform: scale(var(--k)); transform-origin: 0 0; }
@media (hover: hover) { .pasta:hover { --dobra: -11deg; --sobe: -26px; --abre: 8px; --leque: 1.6deg; --pilha: 9px; } }
.pasta:has(:focus-visible) { --dobra: -11deg; --sobe: -26px; --abre: 8px; --leque: 1.6deg; --pilha: 9px; }
.pasta[data-aberta] { --dobra: -24deg; --sobe: -88px; --abre: 38px; --leque: 6deg; --pilha: 26px; }
.pasta .sombra { position: absolute; left: 16px; right: 16px; bottom: -6px; height: 54px; border-radius: 40px; background: rgba(16, 18, 40, .32); filter: blur(20px); transform: translateX(calc(var(--vx) * -8px)); transition: transform .9s var(--suave); }
:root[data-tema="escuro"] .pasta .sombra { background: rgba(0, 0, 0, .6); }
/* rodada 8: o painel de trás é vidro como o da frente, só mais escuro (profundidade), com um toque da cor da área */
.pasta .tras { --tom: transparent; position: absolute; inset: 0; overflow: hidden;
  background: linear-gradient(180deg, #c3c5cf, #a9acb9);   /* reserva: iOS 15 não tem color-mix */
  background: radial-gradient(120% 90% at 85% 0%, color-mix(in srgb, var(--tom) 26%, transparent), transparent 62%), linear-gradient(180deg, #c3c5cf, #a9acb9);
  -webkit-backdrop-filter: blur(18px) saturate(1.3); backdrop-filter: blur(18px) saturate(1.3); clip-path: path('M0 50A20 20 0 0 1 20 30L150 30C168 30 170 0 192 0L280 0A20 20 0 0 1 300 20L300 220A20 20 0 0 1 280 240L20 240A20 20 0 0 1 0 220Z'); }
:root[data-tema="escuro"] .pasta .tras { background: linear-gradient(180deg, #18181e, #08080b); background: radial-gradient(120% 90% at 85% 0%, color-mix(in srgb, var(--tom) 22%, transparent), transparent 62%), linear-gradient(180deg, #18181e, #08080b); }
.pasta .tras::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255, 255, 255, .22), transparent 24%), radial-gradient(120% 80% at 80% 0%, rgba(255, 255, 255, .14), transparent 60%); }
.pasta .aro { position: absolute; left: 0; top: 0; overflow: visible; pointer-events: none; fill: none; }
.pasta .aro-tras { width: 300px; height: 240px; } .pasta .aro-tras path { stroke: rgba(255, 255, 255, .45); stroke-width: 1; }
.pasta .folhas { position: absolute; inset: 0; z-index: 5; pointer-events: none; clip-path: inset(-400px -400px 8px -400px); }
.pasta .folha { all: unset; box-sizing: border-box; position: absolute; left: 32px; top: 84px; width: 236px; height: 156px; border-radius: 14px; overflow: hidden; cursor: pointer; pointer-events: auto;
  background: linear-gradient(180deg, #fff, #f1f1ef); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .9), 0 0 0 .5px rgba(0, 0, 0, .1), 0 10px 24px -8px rgba(10, 12, 30, .3);
  transform-origin: 50% 100%;
  transform: translate(calc(var(--jx) + var(--slot) * var(--abre)), calc(var(--sobe) + var(--fundo-pilha) * var(--pilha) * -1)) rotate(calc(var(--jr) + var(--slot) * var(--leque)));
  transition: transform .75s var(--mola) calc(var(--fundo-pilha) * 40ms), box-shadow .4s var(--suave); }
.pasta[data-aberta] .folha:hover, .pasta[data-aberta] .folha:focus-visible { transform: translate(calc(var(--jx) + var(--slot) * var(--abre)), calc(var(--sobe) + var(--fundo-pilha) * var(--pilha) * -1 - 16px)) rotate(calc(var(--slot) * var(--leque) * .6)); transition-delay: 0s; box-shadow: 0 22px 40px -12px rgba(10, 12, 30, .45); }
.pasta .folha:focus-visible { outline: 2px solid #4c8dff; outline-offset: 2px; }
.pasta .folha canvas { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity .9s var(--suave); }
.pasta .folha canvas[data-pronto] { opacity: 1; }
.pasta .folha.imagem { background: #15151a; }
/* rodada 8: a folha do NexField é papel com a logo, sem o roxo */
.pasta .folha .logo-folha { position: absolute; left: 13px; right: 13px; top: 38px; display: flex; align-items: center; gap: 8px; }
.pasta .folha .logo-folha img { width: 26px; height: auto; }
.pasta .folha .logo-folha b { font-size: 19px; font-weight: 600; letter-spacing: -.04em; color: #18181b; }
.pasta .folha.imagem::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(0, 0, 0, .42), transparent 36%); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .2); border-radius: inherit; }
.pasta .folha .cab { position: absolute; left: 13px; right: 13px; top: 10px; z-index: 1; display: flex; justify-content: space-between; align-items: baseline; gap: 8px; white-space: nowrap; }
.pasta .folha .cab b { font-size: 12px; font-weight: 580; color: #18181b; overflow: hidden; text-overflow: ellipsis; }
.pasta .folha .cab small { font-family: 'Geist Mono', monospace; font-size: 9.5px; color: rgba(24, 24, 27, .5); }
.pasta .folha.imagem .cab b { color: #fff; } .pasta .folha.imagem .cab small { color: rgba(255, 255, 255, .75); }
.pasta .folha .linhas { position: absolute; left: 13px; right: 13px; top: 36px; display: flex; flex-direction: column; gap: 8px; }
.pasta .folha .linhas i { display: block; height: 5px; border-radius: 3px; background: rgba(24, 24, 27, .09); }
.pasta .folha .linhas i:first-child { height: 8px; background: rgba(24, 24, 27, .15); margin-bottom: 3px; }
.pasta .folha .itens { position: absolute; left: 13px; right: 13px; top: 34px; display: grid; gap: 7px; font-size: 10.5px; color: #3c3c40; }
.pasta .folha .itens span { display: flex; justify-content: space-between; align-items: center; gap: 6px; padding-bottom: 6px; border-bottom: 1px solid rgba(24, 24, 27, .07); }
.pasta .folha .itens em { font-style: normal; font-family: 'Geist Mono', monospace; font-size: 9px; padding: 2px 6px; border-radius: 6px; background: #DFF3E5; color: #15803D; }
.pasta .folha .itens em.nc { background: #FBE6E3; color: #C4281C; }
.pasta .frente { position: absolute; left: 0; top: 66px; width: 300px; height: 174px; z-index: 10; transform-origin: 50% 100%; transform: perspective(700px) rotateX(var(--dobra)); transition: transform .8s var(--mola);
  -webkit-backdrop-filter: blur(20px) saturate(1.5); backdrop-filter: blur(20px) saturate(1.5);
  clip-path: path('M0 20A20 20 0 0 1 20 0L102 0C124 0 126 28 148 28L280 28A20 20 0 0 1 300 48L300 154A20 20 0 0 1 280 174L20 174A20 20 0 0 1 0 154Z'); }
.pasta .frente .tinta-v { position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255, 255, 255, .14) 0%, rgba(255, 255, 255, .5) 45%, rgba(252, 252, 252, .92) 100%); }
:root[data-tema="escuro"] .pasta .frente .tinta-v { background: linear-gradient(180deg, rgba(18, 18, 24, .16) 0%, rgba(14, 14, 20, .6) 48%, rgba(8, 8, 12, .93) 100%); }
.pasta .frente .brilho { position: absolute; inset: 0; mix-blend-mode: soft-light; opacity: .9; background: radial-gradient(240px 180px at calc(50% + var(--vx) * 46%) calc(30% + var(--vy) * 40%), rgba(255, 255, 255, .55), transparent 70%); }
:root[data-tema="escuro"] .pasta .frente .brilho { mix-blend-mode: screen; opacity: .16; }
.pasta .aro-frente { width: 300px; height: 174px; } .pasta .aro-frente path { stroke-width: 2.4; }
:root[data-tema="escuro"] .pasta .aro-frente { opacity: .55; }
.pasta .rotulo { position: absolute; left: 24px; bottom: 26px; right: 24px; z-index: 2; display: flex; flex-direction: column; gap: 3px; color: var(--txt); pointer-events: none; }
.pasta .rotulo .ic { width: 34px; height: 34px; margin-bottom: 8px; border-radius: 11px; display: grid; place-items: center; background: color-mix(in srgb, var(--txt) 7%, transparent); box-shadow: inset 0 0 0 1px var(--linha); }
.pasta .rotulo .ic svg { width: 19px; height: 19px; }
.pasta .rotulo b { font-size: 17px; font-weight: 560; letter-spacing: -.015em; line-height: 1.15; }
.pasta .rotulo small { font-family: 'Geist Mono', monospace; font-size: 11px; letter-spacing: .03em; color: var(--muted); }
.pasta .alvo { all: unset; position: absolute; inset: 0; z-index: 3; cursor: pointer; }
.pasta .alvo:focus-visible ~ .rotulo b { text-decoration: underline; text-underline-offset: 4px; }
/* sem o estilo de pasta: um cartão plano com a arte no topo */
:root:not([data-vidro~="pastas"]) .pasta .folhas, :root:not([data-vidro~="pastas"]) .pasta .aro, :root:not([data-vidro~="pastas"]) .pasta .sombra { display: none; }
:root:not([data-vidro~="pastas"]) .pasta .frente { transform: none; -webkit-backdrop-filter: none; backdrop-filter: none; }
:root:not([data-vidro~="pastas"]) .pasta .frente .tinta-v { background: var(--sup); }

/* =================== CORTINA (entrada na área) =================== */
/* rodada 8: vidro fosco escuro no lugar da arte, com um toque da cor da área (--tom) */
.cortina { --tom: #2747F5; position: fixed; z-index: 40; inset: 0; display: none; pointer-events: none; color: #fff; overflow: hidden;
  background: linear-gradient(180deg, #14151c, #07080c);   /* reserva: iOS 15 não tem color-mix */
  background: radial-gradient(70% 60% at 78% 12%, color-mix(in srgb, var(--tom) 30%, transparent), transparent 70%), radial-gradient(60% 55% at 12% 92%, color-mix(in srgb, var(--tom) 16%, transparent), transparent 70%), linear-gradient(180deg, #14151c, #07080c); }
.cortina::before { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(255, 255, 255, .06), transparent 30%); }
.cortina.ativa { display: block; pointer-events: auto; }
.cortina .vidro-c { position: absolute; left: 50%; top: 50%; transform: translate(-50%, -50%); display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 30px 40px; border-radius: 28px; text-align: center;
  background: linear-gradient(180deg, rgba(255, 255, 255, .14), rgba(255, 255, 255, .06)); -webkit-backdrop-filter: blur(24px) saturate(1.4); backdrop-filter: blur(24px) saturate(1.4); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .45), 0 0 0 1px rgba(255, 255, 255, .14), 0 40px 80px -30px rgba(0, 0, 0, .6); }
.cortina .ic { width: 58px; height: 58px; border-radius: 18px; display: grid; place-items: center; background: rgba(255, 255, 255, .14); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .28); }
.cortina b { font-size: clamp(26px, 3.4vw, 44px); letter-spacing: -.045em; font-weight: 600; line-height: 1.05; }
.cortina small { font-family: 'Geist Mono', monospace; font-size: 11px; letter-spacing: .14em; text-transform: uppercase; color: rgba(255, 255, 255, .7); display: flex; align-items: center; gap: 10px; }
.cortina small::before { content: ''; width: 13px; height: 13px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .25); border-top-color: #00E0B8; animation: girar 1s linear infinite; }
.cortina.simples .vidro-c { display: none; }
@keyframes girar { to { transform: rotate(1turn); } }

@media (prefers-reduced-motion: reduce) { .pasta *, .fundo canvas { transition-duration: 0s !important; } }

/* rodada 8: os painéis da história ficam mais opacos sobre a cidade (o vidro deixa ver o cenário, mas o texto não
   compete com ele) e o título usa a cor de texto cheia. Meta: 4,5:1 mesmo com a cidade clara de dia atrás. */
#historia .painel.vidro { --vidro-a: rgba(255, 255, 255, .8); --vidro-b: rgba(255, 255, 255, .87); --vidro-c: rgba(255, 255, 255, .93); }
:root[data-tema="escuro"] #historia .painel.vidro { --vidro-a: rgba(12, 15, 44, .8); --vidro-b: rgba(9, 11, 34, .87); --vidro-c: rgba(6, 8, 26, .92); }
#historia .painel h1, #historia .painel h2 { color: var(--txt); }
#historia .painel p { color: var(--txt-2); }