:root {
    --fundo: #0F0F12; --sup1: #17171C; --sup2: #1F1F26; --sup3: #282831; --borda: #2A2A33;
    --texto: #ECECF1; --suave: #9A9AA6; --apagado: #5E5E6B;
    --acento: #F5B729; --acento-hover: #FFC93D; --sobre-acento: #1A1200; --falando: #3DDC84;
  }
  @media (prefers-color-scheme: light) {
    :root:not([data-theme="dark"]) {
      --fundo: #F7F6F2; --sup1: #FFFFFF; --sup2: #EFEDE7; --sup3: #E4E1D9; --borda: #DAD7CF;
      --texto: #1A1A1F; --suave: #6B6B76; --apagado: #A3A3AD;
      --acento: #C98F06; --acento-hover: #B07D03; --sobre-acento: #FFFFFF; --falando: #1FA85D;
    }
  }
  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; }
  body {
    margin: 0; background: var(--fundo); color: var(--texto);
    font: 400 16px/1.55 Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  }
  a { color: var(--acento); }
  a:hover { color: var(--acento-hover); }
  .largura { max-width: 960px; margin: 0 auto; padding: 0 20px; }
  header { border-bottom: 1px solid var(--borda); }
  .barra { display: flex; align-items: center; justify-content: space-between; height: 64px; }
  .marca { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--texto); }
  .marca svg { width: 28px; height: 28px; }
  .marca span { font-weight: 600; font-size: 20px; letter-spacing: -0.01em; }
  .barra nav a { color: var(--suave); text-decoration: none; font-size: 14px; margin-left: 20px; }
  .barra nav a:hover { color: var(--texto); }

  .heroi { padding-top: 72px; padding-bottom: 56px; }
  .heroi h1 { font-size: clamp(32px, 6vw, 52px); line-height: 1.1; letter-spacing: -0.02em; font-weight: 600; margin: 0 0 18px; max-width: 18ch; }
  .heroi h1 em { font-style: normal; color: var(--acento); }
  .heroi p.lead { font-size: clamp(17px, 2.2vw, 19px); color: var(--suave); max-width: 56ch; margin: 0 0 32px; }
  .baixar { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; }
  .botao {
    display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px;
    background: var(--acento); color: var(--sobre-acento); border-radius: 4px;
    font-weight: 600; font-size: 17px; text-decoration: none; transition: background 140ms ease-out;
  }
  .botao:hover { background: var(--acento-hover); color: var(--sobre-acento); }
  .botao svg { width: 18px; height: 18px; }
  .info-arquivo { color: var(--suave); font-size: 14px; line-height: 1.5; }
  .info-arquivo strong { color: var(--texto); font-weight: 600; }

  .numeros { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--borda); border: 1px solid var(--borda); border-radius: 8px; overflow: hidden; margin: 8px 0 72px; }
  .numero { background: var(--sup1); padding: 22px 20px; }
  .numero b { display: block; font-size: 28px; font-weight: 600; letter-spacing: -0.02em; color: var(--acento); }
  .numero span { color: var(--suave); font-size: 14px; }

  section { padding-bottom: 72px; }
  h2 { font-size: 26px; font-weight: 600; letter-spacing: -0.01em; margin: 0 0 24px; }
  .grade { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
  .cartao { background: var(--sup1); border: 1px solid var(--borda); border-radius: 8px; padding: 20px; }
  .cartao h3 { font-size: 17px; font-weight: 600; margin: 0 0 8px; }
  .cartao p { margin: 0; color: var(--suave); font-size: 15px; }

  ol.passos { list-style: none; counter-reset: passo; padding: 0; margin: 0; display: grid; gap: 12px; }
  ol.passos li { counter-increment: passo; position: relative; background: var(--sup1); border: 1px solid var(--borda); border-radius: 8px; padding: 18px 20px 18px 64px; }
  ol.passos li::before {
    content: counter(passo); position: absolute; left: 20px; top: 18px;
    width: 28px; height: 28px; border-radius: 50%; background: var(--sup3); color: var(--acento);
    font-weight: 600; font-size: 15px; display: flex; align-items: center; justify-content: center;
  }
  ol.passos b { font-weight: 600; }
  ol.passos p { margin: 4px 0 0; color: var(--suave); font-size: 15px; }
  code { font-family: ui-monospace, Consolas, "Cascadia Mono", monospace; font-size: 0.92em; background: var(--sup2); padding: 1px 6px; border-radius: 4px; }
  .hash { word-break: break-all; }

  details { background: var(--sup1); border: 1px solid var(--borda); border-radius: 8px; padding: 0 20px; margin-bottom: 10px; }
  summary { cursor: pointer; padding: 16px 0; font-weight: 600; list-style: none; }
  summary::-webkit-details-marker { display: none; }
  summary::after { content: "+"; float: right; color: var(--suave); font-weight: 400; }
  details[open] summary::after { content: "–"; }
  details p { margin: 0 0 16px; color: var(--suave); font-size: 15px; }

  footer { border-top: 1px solid var(--borda); padding: 28px 0 40px; color: var(--apagado); font-size: 13px; }
  footer .largura { display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between; }
  footer a { color: var(--suave); }

  @media (max-width: 760px) {
    .numeros { grid-template-columns: repeat(2, 1fr); }
    .grade { grid-template-columns: 1fr; }
    .barra nav { display: none; }
    .heroi { padding-top: 48px; padding-bottom: 40px; }
  }

/* ── páginas do M7: convite (/c), sala (/s), status, termos, privacidade ── */
.caixa { background: var(--sup1); border: 1px solid var(--borda); border-radius: 10px; padding: 28px; max-width: 640px; margin: 56px auto 40px; }
.caixa h1 { font-size: clamp(26px, 5vw, 36px); line-height: 1.15; letter-spacing: -0.02em; font-weight: 600; margin: 0 0 12px; }
.caixa p.lead { color: var(--suave); font-size: 17px; margin: 0 0 24px; }
.caixa .codigo { display: inline-block; font-family: ui-monospace, Consolas, "Cascadia Mono", monospace; font-size: 20px; letter-spacing: 0.08em; background: var(--sup2); border: 1px solid var(--borda); border-radius: 6px; padding: 6px 12px; color: var(--texto); }
.acoes { display: flex; flex-wrap: wrap; gap: 12px; margin: 8px 0 20px; }
.botao.secundario { background: var(--sup2); color: var(--texto); border: 1px solid var(--borda); }
.botao.secundario:hover { background: var(--sup3); color: var(--texto); }
.nota { color: var(--suave); font-size: 14px; line-height: 1.5; margin: 0; }
.nota b { color: var(--texto); font-weight: 600; }
.aviso { background: var(--sup2); border-left: 3px solid var(--acento); border-radius: 6px; padding: 12px 14px; color: var(--suave); font-size: 14px; margin: 16px 0 0; }
.aviso b { color: var(--texto); }
.estado { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin: 20px 0 8px; }
.estado .numero { border: 1px solid var(--borda); border-radius: 8px; }
.ponto { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 8px; vertical-align: middle; background: var(--apagado); }
.ponto.ok { background: var(--falando); }
.ponto.falha { background: #E0564F; }
.legal { max-width: 760px; margin: 48px auto 56px; }
.legal h1 { font-size: clamp(28px, 5vw, 38px); letter-spacing: -0.02em; font-weight: 600; margin: 0 0 8px; }
.legal .meta { color: var(--apagado); font-size: 14px; margin: 0 0 28px; }
.legal h2 { font-size: 20px; margin: 32px 0 10px; }
.legal p, .legal li { color: var(--suave); font-size: 15px; }
.legal ul { padding-left: 20px; }
.rascunho { display: inline-block; background: var(--sup2); border: 1px dashed var(--acento); color: var(--acento); border-radius: 6px; padding: 4px 10px; font-size: 13px; font-weight: 600; letter-spacing: 0.04em; }

/* ── visual da inicial (2026-10): app à mostra, brilho e ícones — tudo CSS/SVG, sem peso ── */
main { position: relative; overflow-x: clip; }
.brilho { position: absolute; inset: -120px 0 auto 0; height: 620px; pointer-events: none; z-index: 0;
  background: radial-gradient(560px 300px at 72% 38%, rgba(245, 183, 41, 0.13), transparent 70%),
              radial-gradient(420px 260px at 12% 8%, rgba(61, 220, 132, 0.06), transparent 70%); }
.heroi { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.12fr); gap: 40px; align-items: center; }
.heroi-texto { min-width: 0; }
.janela-app { margin: 0; border-radius: 12px; overflow: hidden; border: 1px solid var(--borda); background: var(--sup1);
  box-shadow: 0 30px 80px -20px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 255, 255, 0.02);
  transform: perspective(1400px) rotateY(-4deg) rotateX(1deg); transition: transform 300ms ease-out; }
.janela-app:hover { transform: none; }
.janela-app img { display: block; width: 100%; height: auto; }
.cartao { transition: border-color 160ms ease-out, transform 160ms ease-out; }
.cartao:hover { border-color: color-mix(in srgb, var(--acento) 35%, var(--borda)); transform: translateY(-2px); }
.icone { display: inline-flex; width: 36px; height: 36px; border-radius: 9px; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--acento) 14%, transparent); color: var(--acento); margin-bottom: 12px; }
.icone svg { width: 20px; height: 20px; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .janela-app { box-shadow: 0 30px 70px -24px rgba(60, 50, 20, 0.28); }
  :root:not([data-theme="dark"]) .brilho { background: radial-gradient(560px 300px at 72% 38%, rgba(201, 143, 6, 0.10), transparent 70%); }
}
@media (prefers-reduced-motion: reduce) { .janela-app, .cartao { transition: none; transform: none; } .cartao:hover { transform: none; } }
@media (max-width: 900px) {
  .heroi { grid-template-columns: 1fr; gap: 28px; }
  .janela-app { transform: none; }
}

/* `.largura` (classe) vencia o `section` (elemento) e zerava o espaço entre seções. */
section.largura { padding-bottom: 72px; }
@media (max-width: 760px) { section.largura { padding-bottom: 52px; } }