:root { --bg:#0b0e17; --card:#131829; --inset:#0c1020; --text:#e8ecf5; --sub:#8d97b3; --hair:#252c47;
        --ok:#32d74b; --bad:#ff6b6b; --warn:#ffb020; --acc:#5b8cff; --acc2:#7aa2ff; }
* { box-sizing:border-box }
[hidden] { display:none !important }
html { scroll-behavior:smooth }
body { margin:0; background:var(--bg); color:var(--text); font:16px/1.55 system-ui, "Segoe UI", Roboto, sans-serif }
a { color:var(--acc2) }
.caixa { max-width:1120px; margin:0 auto; padding-left:20px; padding-right:20px }
.estreita { max-width:760px }
h1 { font-size:clamp(32px, 6vw, 54px); line-height:1.1; margin:0 0 16px; letter-spacing:-.02em }
h2 { font-size:28px; margin:0 0 20px; text-align:center }
h3 { margin:0 0 6px; font-size:18px }
.sub { color:var(--sub); margin:0 0 20px }
.centro { text-align:center }
section { padding:56px 0 }
.topo { position:sticky; top:0; z-index:5; background:rgba(11,14,23,.9); backdrop-filter:blur(8px); border-bottom:1px solid var(--hair) }
.topo-linha { display:flex; align-items:center; justify-content:space-between; height:60px }
.marca { color:var(--text); font-weight:700; text-decoration:none; font-size:18px; white-space:nowrap }
.topo nav a { color:var(--sub); text-decoration:none; margin-left:22px; font-size:15px }
.topo nav a:hover { color:var(--text) }
.hero { text-align:center; padding:80px 20px 40px }
.hero .sub { font-size:19px; max-width:640px; margin:0 auto 28px }
.hero-acoes { display:flex; gap:12px; justify-content:center; flex-wrap:wrap }
.botao { display:inline-flex; align-items:center; justify-content:center; background:var(--acc); color:#fff; border:1px solid transparent;
         border-radius:10px; padding:12px 22px; font:600 15px system-ui, "Segoe UI", sans-serif; text-decoration:none; cursor:pointer }
.botao:hover { background:#4a7cf0 }
.botao.secundario { background:transparent; border:1px solid var(--hair); color:var(--text) }
.botao.secundario:hover { border-color:var(--sub) }
.botao[disabled] { opacity:.55; cursor:default }
.grade { display:grid; gap:16px }
.recursos { grid-template-columns:repeat(3, 1fr) }
.planos { grid-template-columns:repeat(auto-fit, minmax(240px, 1fr)); align-items:stretch }
.cartao { background:var(--card); border:1px solid var(--hair); border-radius:14px; padding:22px }
.cartao p { color:var(--sub); margin:0 }
.ico { font-size:26px; margin-bottom:10px }
.plano { display:flex; flex-direction:column; gap:10px }
.plano .preco { font-size:34px; font-weight:700; letter-spacing:-.01em }
.plano .preco small { font-size:15px; color:var(--sub); font-weight:500 }
.plano ul { list-style:none; padding:0; margin:0 0 6px; color:var(--sub) }
.plano li { padding:4px 0 }
.plano li::before { content:"✓  "; color:var(--ok) }

.nota { color:var(--sub); margin-top:24px }
details { background:var(--card); border:1px solid var(--hair); border-radius:12px; padding:14px 18px; margin-bottom:10px }
summary { cursor:pointer; font-weight:600 }
details p { color:var(--sub); margin:10px 0 0 }
.rodape { border-top:1px solid var(--hair); padding:24px 0; color:var(--sub); font-size:14px }
.rodape-linha { display:flex; justify-content:space-between; gap:12px; flex-wrap:wrap }
.zap { position:fixed; right:18px; bottom:18px; background:#25d366; color:#08260f; font-weight:700; text-decoration:none;
       padding:12px 16px; border-radius:999px; box-shadow:0 8px 24px rgba(0,0,0,.35) }
dialog { background:var(--card); color:var(--text); border:1px solid var(--hair); border-radius:16px; padding:24px; width:min(440px, 92vw) }
dialog::backdrop { background:rgba(4,6,12,.7) }
dialog label { display:block; margin:0 0 14px; font-size:14px; color:var(--sub) }
dialog input { display:block; width:100%; margin-top:6px; background:var(--inset); color:var(--text); border:1px solid var(--hair);
               border-radius:8px; padding:10px 12px; font-size:15px }
dialog input:focus { outline:none; border-color:var(--acc) }
dialog small { display:block; margin-top:4px; color:var(--sub); font-size:12px }
.opc { font-size:12px }
.erro { color:var(--bad); margin:0 0 12px; font-size:14px }
.dialog-acoes { display:flex; gap:10px; justify-content:flex-end }
.dialog-acoes .botao { white-space:nowrap }
/* obrigado */
.painel { max-width:560px; margin:48px auto; background:var(--card); border:1px solid var(--hair); border-radius:16px; padding:28px }
.estado { display:inline-block; padding:4px 12px; border-radius:999px; font-size:13px; border:1px solid var(--hair); color:var(--sub) }
.estado.ok { color:var(--ok); border-color:rgba(50,215,75,.45) }
.estado.bad { color:var(--bad); border-color:rgba(255,107,107,.45) }
.chave { display:flex; gap:8px; align-items:center; background:var(--inset); border:1px solid var(--hair); border-radius:10px;
         padding:12px 14px; font:600 15px Consolas, "Cascadia Mono", monospace; word-break:break-all; margin:8px 0 18px }
.chave span { flex:1 }
.passos { color:var(--sub); padding-left:20px }
.passos li { margin:6px 0 }
@media (max-width:860px) { .recursos { grid-template-columns:1fr 1fr } }
@media (max-width:560px) {
  .recursos { grid-template-columns:1fr }
  .topo nav a { margin-left:14px; font-size:14px }
  section { padding:40px 0 }
  .hero { padding:52px 16px 24px }
  .caixa { padding-left:16px; padding-right:16px }
  .topo nav a:not([href="#planos"]) { display:none }
  .dialog-acoes { flex-direction:column-reverse }
  .dialog-acoes .botao { width:100% }
}
.plano-botoes { margin-top:auto; display:flex; flex-direction:column; gap:8px }
.plano-botoes .botao { width:100% }
.mono { font-family:Consolas, "Cascadia Mono", monospace }