:root {
  --fundo: #07070a;
  --cartao: #121217;
  --cartao-2: #1a1a21;
  --borda: #26262f;
  --texto: #ececf1;
  --fraco: #9a9aa6;
  --destaque: #c8102e;
  --destaque-2: #e8344f;
  --ok: #3fb950;
  --falha: #f85149;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: radial-gradient(ellipse 80% 50% at 50% -10%, #3a0b14 0%, transparent 70%), var(--fundo);
  color: var(--texto);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: inherit; }
main { max-width: 1080px; margin: 0 auto; padding: 0 16px 48px; }

.topo {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 12px max(16px, calc((100vw - 1080px) / 2)); background: rgba(7,7,10,.78); backdrop-filter: blur(10px);
  border-bottom: 1px solid #16161c;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 700 17px Georgia, serif; letter-spacing: .1em; text-transform: uppercase; white-space: nowrap; }
.logo b { color: var(--destaque); font-weight: 700; }
.topo nav { display: flex; align-items: center; gap: 14px; }
.topo nav > a:not(.botao) { text-decoration: none; color: var(--fraco); font-weight: 600; font-size: 15px; }
.topo nav > a:not(.botao):hover { color: var(--texto); }

.botao {
  white-space: nowrap;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--destaque); color: #fff; border: 1px solid transparent; border-radius: 10px;
  padding: 10px 18px; font: inherit; font-weight: 700; text-decoration: none; cursor: pointer;
}
.botao:hover:not(:disabled) { background: var(--destaque-2); }
.botao:disabled { opacity: .45; cursor: default; }
.botao.fantasma { background: transparent; border-color: var(--borda); color: var(--texto); }
.botao.fantasma:hover:not(:disabled) { border-color: var(--fraco); background: transparent; }
.botao.grande { padding: 15px 30px; font-size: 17px; border-radius: 12px; }
.botao.largo { width: 100%; }
.link { background: none; border: 0; color: var(--fraco); font: inherit; font-size: 14px; cursor: pointer; padding: 6px 0; text-decoration: underline; }

.heroi { text-align: center; padding: 64px 0 40px; }
.selo { display: inline-block; margin: 0 0 18px; padding: 6px 14px; border: 1px solid var(--borda); border-radius: 999px; color: var(--fraco); font-size: 13px; letter-spacing: .06em; }
.heroi h1 { margin: 0; font: 700 clamp(42px, 9vw, 88px)/1 Georgia, "Times New Roman", serif; letter-spacing: .12em; text-transform: uppercase; }
.heroi h1 span { color: var(--destaque); }
.chamada { max-width: 620px; margin: 20px auto 30px; color: #c9c9d2; font-size: clamp(16px, 2.4vw, 19px); }
.heroi .acoes { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.pontos { list-style: none; display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 26px; margin: 34px 0 0; padding: 0; color: var(--fraco); font-size: 14px; }
.pontos b { color: var(--texto); }

.grade { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); align-items: start; }
.cartao { background: var(--cartao); border: 1px solid var(--borda); border-radius: 16px; padding: 22px; }
.cartao h2 { margin: 0 0 8px; font-size: 19px; }
.cartao.destaque { background: linear-gradient(160deg, #2a0a12 0%, var(--cartao) 60%); border-color: #4a1420; }
.nota { color: var(--fraco); font-size: 14px; margin: 0 0 14px; }
.preco { margin: 4px 0 8px; }
.preco b { font-size: 30px; }
.preco span { color: var(--fraco); font-size: 14px; margin-left: 6px; }

.checagens { list-style: none; margin: 8px 0 12px; padding: 0; }
.checagens li { padding: 7px 0; border-bottom: 1px solid #1c1c23; font-size: 15px; display: flex; gap: 10px; align-items: center; }
.checagens li:last-child { border-bottom: 0; }
.checagens li::before { content: ""; width: 9px; height: 9px; border-radius: 50%; background: var(--falha); flex: none; }
.checagens li.ok::before { background: var(--ok); }

.abas { display: flex; background: #0d0d11; border: 1px solid var(--borda); border-radius: 10px; padding: 3px; margin-bottom: 14px; }
.abas button { flex: 1; background: none; border: 0; border-radius: 7px; padding: 8px; color: var(--fraco); font: inherit; font-weight: 600; cursor: pointer; }
.abas button[aria-selected="true"] { background: var(--cartao-2); color: var(--texto); }
form label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 12px; }
form input { display: block; width: 100%; margin-top: 6px; background: #0d0d11; border: 1px solid var(--borda); border-radius: 10px; padding: 11px 12px; color: var(--texto); font: inherit; }
form input:focus { outline: 2px solid var(--destaque); outline-offset: 0; border-color: transparent; }
.erro { min-height: 1.4em; margin: 0 0 10px; color: #ff8a8a; font-size: 14px; }
.erro.sucesso { color: var(--ok); }
.saves { list-style: none; padding: 0; margin: 0 0 16px; }
.saves li { display: flex; justify-content: space-between; gap: 12px; padding: 9px 0; border-bottom: 1px solid #1c1c23; font-size: 14px; }
.saves li span:last-child { color: var(--fraco); text-align: right; }
#conta-dentro .acoes { display: flex; gap: 10px; flex-wrap: wrap; }

.como { margin-top: 16px; }
.colunas { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.colunas h3 { margin: 6px 0 4px; font-size: 16px; }
.colunas p { margin: 0; color: var(--fraco); font-size: 14.5px; }
kbd { background: #1f1f27; border: 1px solid var(--borda); border-radius: 5px; padding: 1px 6px; font-size: 12.5px; }
.rodape { text-align: center; color: #6c6c78; font-size: 13px; padding: 24px 16px 40px; }

#instalar-heroi { display: none; }
@media (max-width: 560px) {
  .topo nav > a:not(.botao), .topo #instalar { display: none; }
  .logo { font-size: 14px; letter-spacing: .06em; gap: 8px; }
  .heroi { padding-top: 40px; }
  .heroi h1 { letter-spacing: .06em; }
  #instalar-heroi:not([hidden]) { display: inline-flex; }
}