/* =========================================================
   style.css — Estilos de todo o site
   Identidade inspirada no aplicativo Núcleo: preto profundo,
   branco e tons de cinza; o único ponto de cor é o dourado
   pálido do buraco negro.
   Para mudar as cores, edite apenas os valores em :root.
   ========================================================= */

@font-face {
  font-family: "Instrument Sans";
  src: url("../fonts/instrument-sans-latin-wght.woff2") format("woff2");
  font-weight: 400 700;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #030305;
  --panel: rgba(10, 10, 14, 0.78);
  --panel-2: rgba(255, 255, 255, 0.05);
  --line: rgba(255, 255, 255, 0.12);
  --line-soft: rgba(255, 255, 255, 0.065);
  --text: #edece8;
  --muted: #92919a;
  --faint: #78777f;             /* contraste 4,6:1 sobre o fundo (mínimo AA para texto pequeno) */
  --accent: #dcc699;            /* dourado pálido: foco e pequenos detalhes */
  --bn-1: #ecd6aa;              /* buraco negro: luz do disco */
  --bn-2: #b08448;              /* buraco negro: brilho externo */
  --radius: 18px;
  --radius-sm: 12px;
  --max: 1180px;
  --header: 68px;
  --font: "Instrument Sans", "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  --font-display: var(--font);
  --font-mono: ui-monospace, "Cascadia Mono", "SF Mono", Menlo, Consolas, monospace;
  --ease: cubic-bezier(.22, .61, .36, 1);
  --viagem: cubic-bezier(.65, 0, .25, 1);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html {
  background: var(--bg);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: transparent;      /* o fundo fica no <html> para o céu e o buraco negro aparecerem */
  color: var(--text);
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
p { margin: 0 0 1em; }

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin: 0 0 0.5em;
  text-wrap: balance;
}
h1 { font-size: clamp(2.6rem, 6vw, 5rem); line-height: 1.02; letter-spacing: -0.04em; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.6rem); letter-spacing: -0.03em; }
h3 { font-size: 1.2rem; font-weight: 550; letter-spacing: -0.01em; }

.container { width: min(100% - 2.5rem, var(--max)); margin-inline: auto; }
.muted { color: var(--muted); }
.small { font-size: 0.92rem; }
.lead { font-size: clamp(1.1rem, 1.8vw, 1.28rem); color: var(--muted); max-width: 52ch; text-wrap: pretty; }

.sr {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}

:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
main:focus { outline: none; }
::selection { background: rgba(220, 198, 153, 0.3); }

.skip {
  position: absolute; left: 1rem; top: -4rem; z-index: 100;
  background: var(--text); color: var(--bg); padding: 0.6rem 1rem;
  border-radius: var(--radius-sm); text-decoration: none; font-weight: 600;
}
.skip:focus { top: 1rem; }

/* ---------- Céu e buraco negro (criados por js/buraco-negro.js) ---------- */
#ceu, #bn { position: fixed; top: 0; left: 0; z-index: -1; pointer-events: none; }
#ceu {
  top: -5vh; left: -5vw; opacity: 0;
  transition: transform 1.8s var(--viagem), opacity 2.4s ease;
}
#ceu.pronto { opacity: 1; }
#ceu canvas { display: block; }
#ceu .ceu-rastros { position: absolute; top: 0; left: 0; }

/* Girar o disco arrastando (Início e Núcleo) */
html.bn-pode-girar { cursor: grab; }
html.bn-arrastando, html.bn-arrastando * { cursor: grabbing !important; user-select: none; -webkit-user-select: none; }
/* no toque: arrastar na horizontal gira o disco; na vertical a página rola */
.hero, .nucleo-hero { touch-action: pan-y; }
#bn {
  opacity: 0; transform-origin: 50% 50%;
  transition: transform 1.8s var(--viagem), opacity 1.8s ease;
  will-change: transform, opacity;
}
#bn .bn-deriva { width: 100%; height: 100%; transition: transform 0.6s var(--ease), opacity 0.6s var(--ease); will-change: transform, opacity; }
#bn canvas { display: block; width: 100%; height: 100%; }
.sem-trans { transition: none !important; }

/* ---------- Cabeçalho ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(3, 3, 5, 0.95);
}
.site-header::after {
  content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 28px; pointer-events: none;
  background: linear-gradient(to bottom, rgba(3, 3, 5, 0.95), rgba(3, 3, 5, 0));
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: var(--header); gap: 1rem; }

.brand {
  display: inline-flex; align-items: center; gap: 0.65rem; text-decoration: none;
  font-weight: 550; letter-spacing: -0.01em; font-size: 1.02rem;
}
.brand svg { width: 24px; height: 24px; flex: none; }
.brand-plus { color: var(--muted); font-weight: 450; }

/* Rótulo pequeno acima dos títulos */
.eyebrow {
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 500; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--muted); margin: 0 0 1.1rem;
}

.site-nav { display: flex; align-items: center; gap: 0.15rem; }
.site-nav a {
  position: relative; text-decoration: none; color: var(--muted);
  padding: 0.5rem 0.9rem; font-size: 0.95rem; transition: color 0.3s var(--ease);
}
.site-nav a:hover { color: var(--text); }
.site-nav a[aria-current="page"], .site-nav a.is-active { color: var(--text); }
.site-nav a[aria-current="page"]::after, .site-nav a.is-active::after {
  content: ""; position: absolute; left: 50%; bottom: 0.15rem; width: 4px; height: 4px;
  margin-left: -2px; border-radius: 50%; background: var(--accent);
}

.nav-toggle {
  display: none; align-items: center; gap: 0.55rem;
  font: inherit; font-size: 0.95rem; color: var(--text);
  background: transparent; border: 1px solid var(--line); border-radius: 999px;
  padding: 0.5rem 1rem; min-height: 44px; cursor: pointer;
}
.nav-toggle .bars { width: 16px; height: 9px; position: relative; display: inline-block; }
.nav-toggle .bars::before, .nav-toggle .bars::after { content: ""; position: absolute; left: 0; width: 100%; height: 1.5px; background: currentColor; border-radius: 2px; transition: transform 0.3s var(--ease); }
.nav-toggle .bars::before { top: 0; }
.nav-toggle .bars::after { bottom: 0; }
.nav-toggle[aria-expanded="true"] .bars::before { transform: translateY(3.75px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars::after { transform: translateY(-3.75px) rotate(-45deg); }

/* Menu do celular: tela cheia, itens grandes numerados e o buraco negro visível ao fundo */
@media (max-width: 760px) {
  .nav-toggle { display: inline-flex; }
  .site-nav {
    position: fixed; top: var(--header); left: 0; right: 0; height: calc(100dvh - var(--header));
    display: flex; flex-direction: column; justify-content: center; align-items: stretch; gap: 0;
    padding: 1.5rem 1.5rem calc(3rem + env(safe-area-inset-bottom)); background: rgba(3, 3, 5, 0.6);
    counter-reset: item; opacity: 0; visibility: hidden;
    transition: opacity 0.35s var(--ease), visibility 0s linear 0.35s;
  }
  .site-nav.open { opacity: 1; visibility: visible; transition: opacity 0.35s var(--ease); }
  .site-nav a {
    counter-increment: item; display: flex; align-items: baseline; gap: 1.1rem;
    padding: 0.7rem 0; font-size: clamp(2rem, 9vw, 2.7rem); font-weight: 500; letter-spacing: -0.035em; line-height: 1.15;
    color: var(--muted); border-bottom: 1px solid var(--line-soft);
    opacity: 0; transform: translateY(14px); transition: opacity 0.45s var(--ease), transform 0.45s var(--ease), color 0.3s var(--ease);
  }
  .site-nav a::before { content: counter(item, decimal-leading-zero); font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.1em; color: var(--faint); }
  .site-nav a:last-child { border-bottom: 0; }
  .site-nav.open a { opacity: 1; transform: none; }
  .site-nav.open a:nth-child(2) { transition-delay: 0.04s; }
  .site-nav.open a:nth-child(3) { transition-delay: 0.08s; }
  .site-nav.open a:nth-child(4) { transition-delay: 0.12s; }
  .site-nav.open a:nth-child(5) { transition-delay: 0.16s; }
  .site-nav a[aria-current="page"], .site-nav a.is-active { color: var(--text); }
  .site-nav a[aria-current="page"]::after, .site-nav a.is-active::after { position: static; margin: 0 0 0 auto; align-self: center; width: 6px; height: 6px; }
  html.menu-aberto { overflow: hidden; }
  /* com o menu aberto, o conteúdo some e só o buraco negro fica ao fundo */
  html.menu-aberto main, html.menu-aberto .site-footer { visibility: hidden; }
}

/* ---------- Botões e selos ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font: inherit; font-weight: 550; font-size: 0.98rem; line-height: 1.2;
  min-height: 48px; padding: 0.85rem 1.5rem; border-radius: 999px;
  border: 1px solid transparent; text-decoration: none; cursor: pointer;
  transition: background-color 0.35s var(--ease), border-color 0.35s var(--ease), color 0.35s var(--ease);
}
.btn-primary { background: var(--text); color: var(--bg); }
.btn-primary:hover { background: #ffffff; }
.btn-ghost { background: rgba(3, 3, 5, 0.4); color: var(--text); border-color: var(--line); }
.btn-ghost:hover { border-color: rgba(255, 255, 255, 0.32); }
.btn.is-pending { cursor: help; }

.badge {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-family: var(--font-mono); font-size: 0.7rem; font-weight: 500; line-height: 1;
  letter-spacing: 0.12em; text-transform: uppercase;
  padding: 0.45rem 0.75rem; border-radius: 999px; white-space: nowrap;
}
.badge-free { color: var(--text); border: 1px solid rgba(255, 255, 255, 0.28); }
.badge-free::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); }
.badge-paid { color: var(--muted); border: 1px solid var(--line); }

.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; margin: 2rem 0 0.75rem; }
.price { font-weight: 500; font-size: 1.5rem; letter-spacing: -0.02em; margin-right: 0.5rem; font-variant-numeric: tabular-nums; }
.price:empty { display: none; }

/* Aviso de compatibilidade */
.notice {
  margin-top: 2rem; padding: 1.2rem 1.35rem; max-width: 56ch;
  background: var(--panel); border: 1px solid var(--line-soft); border-left: 2px solid var(--accent);
  border-radius: var(--radius-sm); font-size: 0.95rem;
}
.notice p { margin: 0 0 0.5rem; }
.notice ul { margin: 0.25rem 0 0.65rem; padding-left: 1.2rem; }
.notice p:last-child { margin: 0; color: var(--muted); }

/* A grade de planilha do layout antigo foi substituída pelo céu do buraco negro */
.grid-bg { position: relative; }

/* ---------- Seções ---------- */
.section { padding: clamp(4rem, 10vw, 7.5rem) 0; }
.section-head { margin-bottom: clamp(2rem, 4vw, 3rem); max-width: 60ch; }
.section-head p { color: var(--muted); margin: 0; }

/* ---------- Página inicial ---------- */
.hero {
  display: flex; align-items: center;
  min-height: calc(100svh - var(--header));
  padding: clamp(2.5rem, 6vw, 5rem) 0;
}
.hero-copy { max-width: 36rem; animation: enter 1.1s var(--ease) both; }
.hero h1, .hero .lead { text-shadow: 0 0 28px rgba(3, 3, 5, 0.9); }
.hero .cta-row { margin-top: 2.25rem; }
@keyframes enter { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }

@media (min-width: 761px) and (max-width: 1100px) {
  .hero-copy { max-width: 27rem; }
}
/* Celular e tablet em pé (mesma regra de js/buraco-negro.js): o buraco negro fica no alto
   e o texto começa logo abaixo dele. --bn-d = tamanho de referência do disco, definido pelo JS. */
@media (max-width: 760px), (max-width: 1100px) and (max-aspect-ratio: 20/23) {
  .hero { min-height: 0; align-items: flex-start; padding-top: calc(26svh + var(--bn-d, 100vw) * 0.47 - var(--header)); }
}

/* Lista das planilhas na página inicial */
.lista-produtos { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.lista-item {
  display: grid; grid-template-columns: 3rem minmax(0, 15rem) minmax(0, 1fr) auto 1.5rem;
  align-items: baseline; gap: 0 1.5rem; padding: 1.6rem 0;
  border-bottom: 1px solid var(--line-soft); text-decoration: none;
  transition: background-color 0.4s var(--ease);
}
.lista-item:hover { background: linear-gradient(90deg, rgba(255, 255, 255, 0.04), transparent 70%); }
.lista-n { font-family: var(--font-mono); font-size: 0.75rem; color: var(--faint); }
.lista-nome { font-size: clamp(1.2rem, 2vw, 1.45rem); font-weight: 500; letter-spacing: -0.02em; }
.lista-desc { color: var(--muted); font-size: 0.97rem; }
.lista-preco { font-variant-numeric: tabular-nums; white-space: nowrap; }
.lista-preco.is-free { color: var(--accent); }
.lista-seta { color: var(--faint); transition: transform 0.4s var(--ease), color 0.4s var(--ease); }
.lista-item:hover .lista-seta { color: var(--text); transform: translateX(4px); }
.lista-mais { margin: 2.5rem 0 0; }
@media (max-width: 760px) {
  .lista-item { grid-template-columns: 2.25rem minmax(0, 1fr) auto; gap: 0.35rem 0.75rem; padding: 1.35rem 0; }
  .lista-desc { grid-column: 2 / -1; grid-row: 2; font-size: 0.93rem; }
  .lista-seta { display: none; }
}

/* ---------- Catálogo: uma planilha por linha ---------- */
.section-catalogo { padding-top: 1rem; }
.catalogo { border-top: 1px solid var(--line); }
.produto {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 4rem); align-items: center;
  padding: clamp(2rem, 5vw, 3.5rem) 0; border-bottom: 1px solid var(--line-soft);
}
.produto-media {
  display: block; overflow: hidden; border-radius: var(--radius);
  border: 1px solid var(--line-soft); background: #08080b; transition: border-color 0.5s var(--ease);
}
.produto-media img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform 1.4s var(--ease); }
.produto:hover .produto-media { border-color: var(--line); }
.produto:hover .produto-media img { transform: scale(1.025); }
.produto-info { display: flex; flex-direction: column; align-items: flex-start; }
.produto-n { font-family: var(--font-mono); font-size: 0.75rem; color: var(--faint); margin-bottom: 0.9rem; }
.produto-nome { font-size: clamp(1.6rem, 3vw, 2.3rem); margin: 0 0 0.6rem; }
.produto-nome a { text-decoration: none; }
.produto-info p { color: var(--muted); max-width: 40ch; margin: 0 0 1.25rem; }
.produto-meta { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.produto-preco { font-size: 1.15rem; font-variant-numeric: tabular-nums; }
.voltar-inicio { margin: 3rem 0 0; }
@media (max-width: 760px) {
  .produto { grid-template-columns: 1fr; gap: 1.25rem; }
}

/* ---------- Filtros do catálogo ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0 0 2rem; }
.chip {
  font: inherit; font-size: 0.92rem; min-height: 42px; padding: 0.5rem 1.1rem; border-radius: 999px;
  border: 1px solid var(--line); background: rgba(3, 3, 5, 0.5); color: var(--muted); cursor: pointer;
  transition: color 0.3s var(--ease), border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}
.chip:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.3); }
.chip[aria-pressed="true"] { background: var(--text); color: var(--bg); border-color: var(--text); }

/* ---------- Funcionalidades ---------- */
.features { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 2rem 2.5rem; }
.feature { border-top: 1px solid var(--line); padding-top: 1.25rem; }
.feature-n { display: block; font-family: var(--font-mono); font-size: 0.75rem; color: var(--faint); margin-bottom: 0.85rem; }
.feature p { color: var(--text); margin: 0; font-size: 1.15rem; line-height: 1.45; letter-spacing: -0.01em; }

/* ---------- Faixa de chamada ---------- */
.cta-band {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem 2rem;
  background: var(--panel); border: 1px solid var(--line-soft); border-radius: var(--radius);
  padding: clamp(1.75rem, 5vw, 3.25rem);
}
.cta-band h2 { margin-bottom: 0.35rem; }
.cta-band p { margin: 0; color: var(--muted); }
.cta-band .cta-row { margin: 0; }

/* ---------- Cabeçalho de página (catálogo e produtos) ---------- */
.page-head { padding: clamp(3rem, 9vw, 6.5rem) 0 2rem; }
.page-head p { color: var(--muted); max-width: 52ch; margin: 0; font-size: 1.15rem; }

.back {
  display: inline-flex; align-items: center; gap: 0.5rem; margin-bottom: 2rem; min-height: 44px;
  color: var(--muted); text-decoration: none; font-size: 0.95rem; transition: color 0.3s var(--ease);
}
.back::before { content: "\2190"; font-size: 1rem; line-height: 1; transition: transform 0.4s var(--ease); }
.back:hover { color: var(--text); }
.back:hover::before { transform: translateX(-3px); }

/* ---------- Páginas de produto ---------- */
.product-top { padding: clamp(2rem, 6vw, 4.5rem) 0 clamp(2rem, 5vw, 3rem); }
.product-hero { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.product-hero h1 { margin: 1.1rem 0 0.6rem; font-size: clamp(2.3rem, 5vw, 4rem); }
.product-hero .lead { text-shadow: 0 0 24px rgba(3, 3, 5, 0.9); }
.product-hero .note { color: var(--muted); font-size: 0.9rem; margin: 0; }
.product-cover { border: 1px solid var(--line-soft); border-radius: var(--radius); overflow: hidden; background: #08080b; }
.product-cover img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
.product-top .notice { max-width: none; }
@media (min-width: 901px) { .product-top .notice { max-width: calc(52.5% - 2rem); } }
@media (max-width: 900px) { .product-hero { grid-template-columns: 1fr; } }

/* Galeria: imagens no formato original (largura/altura no HTML evitam saltos ao carregar) */
.shots { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(1rem, 2.5vw, 1.75rem); }
.shot { margin: 0; }
.shot img {
  width: 100%; height: auto; background: #08080b;
  border: 1px solid var(--line-soft); border-radius: var(--radius-sm);
}
@media (max-width: 760px) { .shots { grid-template-columns: 1fr; } }

/* Anterior / próxima planilha */
.produto-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-top: clamp(3rem, 7vw, 5rem); border-top: 1px solid var(--line-soft); }
.produto-nav a {
  display: flex; flex-direction: column; gap: 0.35rem; padding: 1.5rem 0; text-decoration: none;
  font-size: clamp(1.05rem, 2vw, 1.3rem); letter-spacing: -0.01em; transition: color 0.3s var(--ease);
}
.produto-nav a span { font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint); }
.produto-nav a span::before { content: "\2190  "; }
.produto-nav .produto-nav-prox { text-align: right; align-items: flex-end; }
.produto-nav .produto-nav-prox span::before { content: ""; }
.produto-nav .produto-nav-prox span::after { content: "  \2192"; }
.produto-nav a:hover { color: var(--accent); }

/* ---------- Barra de compra fixa (só no celular) ---------- */
.barra-compra { display: none; }
@media (max-width: 760px) {
  .barra-compra {
    position: fixed; left: 0.75rem; right: 0.75rem; bottom: calc(0.75rem + env(safe-area-inset-bottom)); z-index: 60;
    display: flex; align-items: center; justify-content: space-between; gap: 1rem;
    padding: 0.55rem 0.55rem 0.55rem 1.15rem; border-radius: 999px;
    background: rgba(12, 12, 16, 0.95); border: 1px solid var(--line); box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
    transform: translateY(160%); transition: transform 0.45s var(--ease);
  }
  .barra-compra.visivel { transform: none; }
  .barra-compra-info { display: flex; flex-direction: column; min-width: 0; line-height: 1.25; }
  .barra-compra-nome { font-size: 0.78rem; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .barra-compra .price { font-size: 1.05rem; margin: 0; }
  .barra-compra .btn { min-height: 44px; padding: 0.65rem 1.25rem; flex: none; }
}

/* ---------- Aplicativos ---------- */
.badge-dev { color: var(--accent); border: 1px solid rgba(220, 198, 153, 0.35); }
.badge-dev::before {
  content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--accent);
  animation: pulsar 2.4s ease-in-out infinite;
}
@keyframes pulsar { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }

/* Destaque do Núcleo na página inicial */
.app-destaque {
  display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 2rem;
  border-top: 1px solid var(--line); padding-top: clamp(2rem, 5vw, 3rem);
}
.app-destaque h2 { font-size: clamp(2.4rem, 6vw, 4.2rem); letter-spacing: -0.045em; margin-bottom: 0.75rem; }
.app-destaque p { color: var(--muted); max-width: 46ch; margin-bottom: 1.25rem; }

/* ---------- Página do Núcleo ---------- */
.nucleo-hero {
  position: relative; display: flex; align-items: center;
  min-height: calc(100svh - var(--header)); padding: clamp(2.5rem, 6vw, 5rem) 0;
}
.nucleo-copy { position: relative; z-index: 1; max-width: 30rem; animation: enter 1.2s var(--ease) both; }
.nucleo-titulo {
  font-size: clamp(4rem, 11vw, 9.5rem); font-weight: 450; letter-spacing: -0.06em; line-height: 0.92;
  margin: 0 0 1.5rem; text-shadow: 0 0 40px rgba(3, 3, 5, 0.9);
}
.nucleo-copy .lead { text-shadow: 0 0 28px rgba(3, 3, 5, 0.95); }
.nucleo-status { margin: 1.5rem 0 0; }
.nucleo-status[hidden] { display: none; }

/* Órbita: nomes dos módulos num arco ao redor do buraco negro (posições em js/main.js) */
.orbita { position: absolute; inset: 0; list-style: none; margin: 0; padding: 0; pointer-events: none; display: none; }
.orbita.ativa { display: block; }
.orbita li { display: contents; }
.orbita-item {
  position: absolute; transform: translateY(-50%); pointer-events: auto;
  display: inline-flex; align-items: center; gap: 0.6rem; white-space: nowrap;
  font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; text-shadow: 0 0 14px rgba(3, 3, 5, 1), 0 0 4px rgba(3, 3, 5, 1);
  padding: 0.4rem 0.2rem; opacity: 0;
  animation: orbitar 1s var(--ease) both; animation-delay: calc(0.5s + var(--i, 0) * 0.08s);
  transition: color 0.3s var(--ease);
}
.orbita-ponto { width: 6px; height: 6px; border-radius: 50%; border: 1px solid var(--accent); background: var(--bg); transition: background-color 0.3s var(--ease), box-shadow 0.3s var(--ease); }
.orbita-item:hover, .orbita-item:focus-visible { color: var(--text); }
.orbita-item:hover .orbita-ponto, .orbita-item:focus-visible .orbita-ponto { background: var(--accent); box-shadow: 0 0 12px rgba(220, 198, 153, 0.7); }
@keyframes orbitar { from { opacity: 0; transform: translate(-10px, -50%); } to { opacity: 1; transform: translate(0, -50%); } }

@media (min-width: 761px) and (max-width: 1100px) {
  .nucleo-copy { max-width: 25rem; }
}
@media (max-width: 760px), (max-width: 1100px) and (max-aspect-ratio: 20/23) {
  .nucleo-hero { min-height: 0; align-items: flex-start; padding-top: calc(27svh + var(--bn-d, 100vw) * 0.55 - var(--header)); }
}

/* Lista de módulos: duas colunas, linhas finas, sem cards */
.modulos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 clamp(2rem, 5vw, 4.5rem); }
.modulo {
  display: grid; grid-template-columns: 2.75rem minmax(0, 1fr); gap: 0.15rem 0;
  padding: 1.75rem 0; border-top: 1px solid var(--line-soft); scroll-margin-top: calc(var(--header) + 1.5rem);
}
.modulo-n { grid-row: 1 / 3; font-family: var(--font-mono); font-size: 0.75rem; color: var(--faint); padding-top: 0.4rem; }
.modulo h3 { font-size: 1.3rem; font-weight: 500; margin: 0 0 0.4rem; }
.modulo p { color: var(--muted); margin: 0; font-size: 0.98rem; }
.modulo:target h3 { color: var(--accent); }
@media (max-width: 760px) { .modulos { grid-template-columns: 1fr; } }

.principios {
  list-style: none; margin: clamp(2.5rem, 5vw, 3.5rem) 0 0; padding: 0;
  display: flex; flex-wrap: wrap; gap: 0.75rem 2.5rem;
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted);
}
.principios li { display: inline-flex; align-items: center; gap: 0.6rem; }
.principios li::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); }

/* Como funciona: três passos */
.passos { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2rem clamp(2rem, 4vw, 3.5rem); }
.passo { border-top: 1px solid var(--line); padding-top: 1.5rem; }
.passo-n { display: block; font-size: clamp(2.6rem, 5vw, 3.6rem); font-weight: 400; letter-spacing: -0.05em; line-height: 1; color: var(--accent); margin-bottom: 1.25rem; }
.passo h3 { font-size: 1.25rem; font-weight: 500; margin-bottom: 0.5rem; }
.passo p { color: var(--muted); margin: 0; }
@media (max-width: 860px) { .passos { grid-template-columns: 1fr; } }

/* Requisitos e perguntas frequentes */
.nucleo-info { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: 3rem clamp(3rem, 6vw, 6rem); align-items: start; }
.nucleo-info h2 { margin-bottom: 1.75rem; }
.requisitos { margin: 0; border-top: 1px solid var(--line); }
.requisitos div { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--line-soft); }
.requisitos dt { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--faint); padding-top: 0.2rem; }
.requisitos dd { margin: 0; }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line-soft); }
.faq summary {
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.1rem 0; min-height: 44px; cursor: pointer; list-style: none; font-size: 1.08rem; font-weight: 500;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--font-mono); color: var(--accent); font-size: 1.1rem; transition: transform 0.3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); margin: 0 0 1.25rem; max-width: 60ch; }
.faq a { color: var(--text); text-underline-offset: 3px; }
@media (max-width: 860px) { .nucleo-info { grid-template-columns: 1fr; } }
@media (max-width: 480px) { .requisitos div { grid-template-columns: 1fr; gap: 0.25rem; } }

/* Disponibilidade e cartão de compra (cartão só aparece no lançamento) */
.disponibilidade { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.5rem 2rem; width: 100%; }
.disponibilidade p { margin: 0; color: var(--muted); }
.preco-card { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 1.5rem 2rem; width: 100%; }
.preco-card-valor { font-size: clamp(2.4rem, 6vw, 3.6rem); font-weight: 450; letter-spacing: -0.04em; line-height: 1; margin: 0 0 1.25rem; }
.preco-card-itens { list-style: none; margin: 0; padding: 0; color: var(--muted); }
.preco-card-itens li { display: flex; gap: 0.7rem; align-items: baseline; padding: 0.2rem 0; }
.preco-card-itens li::before { content: ""; width: 4px; height: 4px; border-radius: 50%; background: var(--accent); flex: none; transform: translateY(-2px); }

.shot-reservado .shot-empty {
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--faint);
  aspect-ratio: 16 / 9; background: rgba(10, 10, 14, 0.55);
}

/* ---------- Sobre e erro ---------- */
.prosa { max-width: 44rem; margin-left: max(1.25rem, calc((100% - var(--max)) / 2)); }
.prosa p { font-size: clamp(1.1rem, 1.7vw, 1.25rem); line-height: 1.7; color: var(--muted); }
.prosa p:first-child { color: var(--text); }
.prosa a { color: var(--text); text-decoration-color: var(--line); text-underline-offset: 3px; }
.section-sobre { padding-top: 0; }
.erro { display: flex; align-items: center; min-height: calc(100svh - var(--header) - 4rem); padding: 4rem 0; }
.erro .container > * { max-width: 32rem; }
@media (max-width: 760px), (max-width: 1100px) and (max-aspect-ratio: 20/23) {
  .erro { align-items: flex-start; padding-top: calc(22svh + var(--bn-d, 100vw) * 0.43 - var(--header)); }
}
.shot-empty {
  display: flex; align-items: center; justify-content: center; text-align: center;
  aspect-ratio: 16 / 10; padding: 1rem; color: var(--muted); font-size: 0.95rem;
  border: 1px dashed var(--line); border-radius: var(--radius-sm); background: var(--panel);
}
.shot figcaption { color: var(--muted); font-size: 0.9rem; margin-top: 0.6rem; }

/* ---------- Rodapé ---------- */
.site-footer {
  border-top: 1px solid var(--line-soft); padding: clamp(3rem, 7vw, 5rem) 0 3rem;
  background: linear-gradient(to bottom, rgba(3, 3, 5, 0.6), rgba(3, 3, 5, 0.92));
}
.footer-contact { margin: 0; }
.footer-main { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2.5rem 4rem; align-items: start; }
.footer-nav { display: flex; flex-direction: column; gap: 0.25rem; padding-top: 0.4rem; }
.footer-nav a { padding: 0.35rem 0; }
.site-footer a { color: var(--muted); text-decoration: none; font-size: 0.97rem; transition: color 0.3s var(--ease); }
.site-footer a:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid var(--line-soft); margin-top: 3rem; padding-top: 1.25rem; color: var(--faint); font-size: 0.85rem; }
.footer-bottom p { margin: 0; }
@media (max-width: 760px) {
  .footer-main { grid-template-columns: 1fr; }
  .footer-nav { flex-direction: row; flex-wrap: wrap; gap: 0 1.5rem; }
  .footer-nav a { padding: 0.7rem 0; }
}

/* Rodapé de contato */
.site-footer#contato { scroll-margin-top: 24px; }
.site-footer#contato h2 { margin: 0 0 1rem; font-size: clamp(1.5rem, 3vw, 2rem); }
.site-footer#contato p { max-width: 60ch; color: var(--muted); }
.site-footer#contato .footer-contact { margin-top: 1.5rem; }
.site-footer#contato .footer-contact a {
  color: var(--text); font-size: clamp(1.1rem, 2.4vw, 1.4rem); font-weight: 500;
  border-bottom: 1px solid var(--line); padding-bottom: 0.15rem; word-break: break-word;
}
.site-footer#contato .footer-contact a:hover { border-color: var(--accent); }

/* ---------- Troca de página (js/navegacao.js) ---------- */
main { transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
main.saindo { opacity: 0; transform: translateY(8px); transition-duration: 0.25s; }
main.entrando { opacity: 0; transform: translateY(12px); transition: none; }

/* ---------- Aviso (toast) ---------- */
.toast {
  position: fixed; left: 50%; bottom: 1.5rem; z-index: 200;
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  max-width: min(92vw, 420px); padding: 0.85rem 1.25rem;
  background: var(--text); color: var(--bg); border-radius: 999px;
  font-size: 0.95rem; font-weight: 500; text-align: center;
  transition: opacity 0.3s var(--ease), transform 0.3s var(--ease);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Galeria: ampliar imagens ao clicar ---------- */
.shot img { cursor: zoom-in; transition: border-color 0.3s var(--ease); }
.shot img:hover { border-color: var(--line); }
.image-lightbox { position: fixed; inset: 0; z-index: 1000; display: none; align-items: center; justify-content: center; padding: clamp(12px, 3vw, 36px); background: rgba(2, 2, 4, 0.94); }
.image-lightbox.is-open { display: flex; }
.image-lightbox img { display: block; max-width: 96vw; max-height: 92vh; width: auto; height: auto; object-fit: contain; border-radius: 6px; box-shadow: 0 12px 50px rgba(0, 0, 0, .45); cursor: zoom-out; }
.image-lightbox-close { position: absolute; top: 12px; right: 18px; width: 44px; height: 44px; border: 1px solid rgba(255, 255, 255, .3); border-radius: 50%; background: rgba(10, 10, 14, .8); color: white; font-size: 28px; line-height: 1; cursor: pointer; }
.image-lightbox-close:hover { background: rgba(40, 40, 48, .95); }
body.lightbox-open { overflow: hidden; }

/* ---------- Acessibilidade: menos movimento ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}