:root{
  --noite:#0A0F1E; --painel:#111832; --borda:#1F2947; --borda-forte:#3A4870;
  --texto:#E8ECF6; --texto-2:#C9D0E3; --apagado:#8A94AD;
  --conexao:#3BE3C8; --conexao-clara:#8FF2E2; --ia:#8B7BFF;
  --raio:20px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--noite);color:var(--texto);font-family:'Inter',system-ui,sans-serif;font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:'Space Grotesk',system-ui,sans-serif;letter-spacing:-0.02em;margin:0}
h1{font-size:clamp(38px,5.4vw,64px);line-height:1.04;font-weight:600}
h2{font-size:clamp(30px,3.8vw,46px);line-height:1.1;font-weight:600;margin-bottom:40px}
h3{font-size:21px;font-weight:600;margin-bottom:10px}
p{margin:0}
a{color:var(--conexao)}
code{font-family:ui-monospace,monospace;font-size:.92em;color:var(--conexao-clara)}
.faixa{width:100%;max-width:1180px;margin:0 auto;padding:0 24px}

/* topo */
.topo{position:sticky;top:0;z-index:10;background:rgba(10,15,30,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--borda)}
.topo .faixa{display:flex;align-items:center;gap:32px;min-height:72px}
.marca{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--texto)}
.palavra{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:24px;letter-spacing:-0.03em}
.palavra b{color:var(--conexao);font-weight:600}
.palavra i{font-style:normal;color:var(--apagado);font-weight:500}
.menu{display:flex;gap:28px;margin-left:auto}
.menu a{color:var(--texto-2);text-decoration:none;font-size:15px;font-weight:500}
.menu a:hover{color:var(--texto)}

/* botões */
.botao{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 28px;border-radius:999px;background:var(--conexao);color:var(--noite);font-weight:600;font-size:16px;text-decoration:none;border:0;cursor:pointer;font-family:inherit;transition:transform .15s,background .15s}
.botao:hover{background:var(--conexao-clara);transform:translateY(-1px)}
.botao:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--conexao-clara);outline-offset:3px}
.botao-linha{background:transparent;color:var(--texto);border:1px solid var(--borda-forte)}
.botao-linha:hover{background:var(--painel)}
.botao-pequeno{min-height:44px;padding:0 22px;font-size:15px}

/* hero */
.hero{padding:72px 0 40px;overflow:hidden}
.hero-grade{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:48px;align-items:center}
.sobretitulo{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--conexao);font-weight:600;margin-bottom:18px}
.sobretitulo-ia{color:var(--ia)}
.destaque{color:var(--conexao)}
.lead{font-size:19px;color:var(--texto-2);max-width:620px;margin-top:22px}
.acoes{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.orbita{width:100%;height:auto;max-width:560px;display:block;margin:0 auto}
.anel{transform-origin:260px 260px;animation:gira 18s linear infinite}
.onda{transform-origin:260px 260px;animation:onda 2.6s ease-out infinite}
@keyframes gira{to{transform:rotate(360deg)}}
@keyframes onda{0%{transform:scale(1);opacity:.7}100%{transform:scale(1.9);opacity:0}}
.pilares{list-style:none;padding:0;margin:56px 0 0;display:flex;flex-wrap:wrap;gap:12px 40px;border-top:1px solid var(--borda);padding-top:28px}
.pilares li{display:flex;align-items:center;gap:10px;font-weight:500;color:var(--texto-2)}
.ponto{width:8px;height:8px;border-radius:50%;background:var(--conexao)}
.ponto-ia{background:var(--ia)}

/* seções */
.secao{padding:104px 0}
.secao-escura{background:#0D1328;border-top:1px solid var(--borda);border-bottom:1px solid var(--borda)}
.grade-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grade-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.cartao{background:var(--painel);border:1px solid var(--borda);border-radius:var(--raio);padding:30px}
.cartao p{color:var(--texto-2)}
.cartao-grande{padding:40px}
.cartao-destaque{border-color:rgba(59,227,200,.45);background:linear-gradient(160deg,#122040,#111832)}
.etiqueta{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--apagado)!important;margin-bottom:12px;font-weight:600}
.lista{list-style:none;padding:0;margin:18px 0 0;display:grid;gap:12px}
.lista li{position:relative;padding-left:28px;color:var(--texto-2)}
.lista li::before{content:"";position:absolute;left:0;top:9px;width:14px;height:8px;border-left:2px solid var(--conexao);border-bottom:2px solid var(--conexao);transform:rotate(-45deg)}
.resposta{display:flex;align-items:center;gap:22px;margin-top:40px;padding:28px 32px;border-radius:var(--raio);border:1px dashed var(--borda-forte)}
.resposta p{font-size:19px;color:var(--texto-2)}
.resposta strong{color:var(--texto)}

.passos{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;counter-reset:none}
.passo{background:var(--painel);border:1px solid var(--borda);border-radius:var(--raio);padding:32px}
.passo p{color:var(--texto-2)}
.numero{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:50%;border:2px solid var(--conexao);color:var(--conexao);font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:18px;margin-bottom:22px}

.ia-grade{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:56px;align-items:center}
.ia-grade h2{margin-bottom:24px}
.palavra-ia{font-family:'Space Grotesk',sans-serif;font-size:clamp(48px,7vw,84px);font-weight:600;letter-spacing:.06em;line-height:1;color:var(--texto)}
.palavra-ia b{color:var(--ia);font-weight:700;text-shadow:0 0 28px rgba(139,123,255,.55)}
.grade-ia{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.cartao-ia{background:var(--painel);border:1px solid #2C2A5A;border-radius:var(--raio);padding:26px}
.cartao-ia h3{font-size:18px}
.cartao-ia p{color:var(--texto-2);font-size:16px}

/* entrar */
.entrar-caixa{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center}
.entrar-caixa h2{margin-bottom:0}
.entrar-form{display:grid;gap:14px;background:var(--painel);border:1px solid var(--borda);border-radius:var(--raio);padding:32px}
.entrar-campo{display:flex;align-items:center;background:var(--noite);border:1px solid var(--borda-forte);border-radius:14px;overflow:hidden}
.entrar-campo input{flex:1;min-width:0;border:0;background:transparent;border-radius:0}
.entrar-campo input:focus-visible{outline:none}
.entrar-campo:focus-within{outline:3px solid var(--conexao-clara);outline-offset:3px}
.sufixo{padding:0 16px 0 2px;color:var(--apagado);white-space:nowrap;font-size:15px}

/* formulário */
label{font-size:14px;font-weight:500;color:var(--texto-2)}
input,textarea{width:100%;font:inherit;font-size:16px;color:var(--texto);background:var(--noite);border:1px solid var(--borda-forte);border-radius:14px;padding:13px 16px;min-height:50px}
textarea{resize:vertical;min-height:110px}
input::placeholder{color:#5F6A86}
.contato-grade{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:56px;align-items:start}
.contato-grade h2{margin-bottom:0}
.botao-whats{margin-top:32px}
.formulario{display:grid;gap:16px;background:var(--painel);border:1px solid var(--borda);border-radius:var(--raio);padding:32px}
.campo{display:grid;gap:7px}
.campo-duplo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.armadilha{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.aviso{min-height:24px;font-size:15px;color:var(--conexao-clara)}
.aviso.erro{color:#FF9B8A}

/* rodapé */
.rodape{padding:48px 0;border-top:1px solid var(--borda)}
.rodape-grade{display:flex;flex-wrap:wrap;align-items:center;gap:16px 32px}
.rodape .palavra{font-size:20px}
.rodape p{color:var(--apagado);font-size:15px}
.rodape .pequeno{margin-left:auto}

/* telas menores */
@media (max-width:940px){
  .hero-grade,.ia-grade,.entrar-caixa,.contato-grade{grid-template-columns:minmax(0,1fr)}
  .hero-orbita{order:-1;max-width:420px;margin:0 auto}
  .grade-3,.passos{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:760px){
  .menu{display:none}
  .topo .faixa{justify-content:space-between}
  .hero{padding-top:40px}
  .secao{padding:72px 0}
  .grade-2,.grade-ia,.campo-duplo{grid-template-columns:minmax(0,1fr)}
  .cartao-grande,.formulario,.entrar-form{padding:24px}
  .resposta{flex-direction:column;align-items:flex-start}
  .rodape .pequeno{margin-left:0}
  .sufixo{font-size:13px;padding-right:12px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .anel,.onda{animation:none}
  .onda,.pulsos{display:none}
}