/* =========================================================================
   Lummo Cloaker — landing
   Dark minimalista. Preto e branco carregam a pagina; o azul aparece no
   video, no botao principal e em glows sutis.
   ========================================================================= */

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}

:root{
  --bg:#08080a;
  --bg-elevated:#0e0e11;
  --surface:#141418;
  --surface-2:#1a1a1f;
  --border:#232329;
  --border-hover:#34343c;

  --text:#fafafa;
  --text-muted:#9a9aa3;
  --text-dim:#63636b;

  --accent:#3b82f6;
  --accent-2:#22d3ee;
  --accent-soft:rgba(59,130,246,.14);
  --gradiente:linear-gradient(135deg,#1d4ed8 0%,#3b82f6 50%,#22d3ee 100%);

  --sans:"Geist","Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:"Geist Mono","JetBrains Mono",ui-monospace,Consolas,monospace;

  --gap:20px;
  --respiro:clamp(80px,12vh,140px);
}

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

body{
  background:var(--bg);color:var(--text-muted);
  font:400 17px/1.6 var(--sans);
  -webkit-font-smoothing:antialiased;min-height:100vh;overflow-x:hidden;
}

/* grao: tira o preto chapado */
body::after{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:1;opacity:.03;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.pagina{position:relative;z-index:2;width:100%;max-width:1120px;margin:0 auto;padding:0 24px}
.estreita{max-width:640px}

/* ---------- tipografia ---------- */
h1{font:700 clamp(40px,6vw,64px)/1.05 var(--sans);letter-spacing:-.03em;color:var(--text)}
h2{font:600 clamp(28px,4vw,40px)/1.1 var(--sans);letter-spacing:-.02em;color:var(--text)}
h3{font:600 20px/1.3 var(--sans);letter-spacing:-.01em;color:var(--text)}
p{max-width:68ch}
strong,b{color:var(--text);font-weight:600}

.rotulo{display:block;font:500 11px/1 var(--mono);letter-spacing:.18em;
  text-transform:uppercase;color:var(--text-dim)}

/* ---------- movimento ---------- */
@keyframes entrar{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
@keyframes pulso{0%,100%{transform:translate(-50%,-50%) scale(1)}
                 50%{transform:translate(-50%,-50%) scale(1.05)}}
@keyframes girar{to{transform:rotate(360deg)}}

.surge{opacity:0;transform:translateY(24px);
  transition:opacity .6s ease-out,transform .6s ease-out}
.surge.vis{opacity:1;transform:none}
.anima{animation:entrar .6s ease-out both}
.d1{animation-delay:.08s}.d2{animation-delay:.16s}
.d3{animation-delay:.24s}.d4{animation-delay:.32s}.d5{animation-delay:.4s}

@media(prefers-reduced-motion:reduce){
  .surge{opacity:1;transform:none;transition:none}
  *{animation:none!important}
}

/* ---------- nav ---------- */
.topo{position:sticky;top:0;z-index:30;background:rgba(8,8,10,.72);
  backdrop-filter:blur(12px);border-bottom:1px solid transparent;
  transition:border-color .3s,background .3s}
.topo.rolou{border-bottom-color:var(--border);background:rgba(8,8,10,.88)}
.topo .interno{display:flex;align-items:center;gap:12px;height:64px;
  max-width:1120px;margin:0 auto;padding:0 24px}
.topo a{display:block;text-decoration:none}
.logo{width:28px;height:28px;display:block;flex:none}
.nome{font:500 12px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;
  color:var(--text)}
.nome span{color:var(--text-dim)}
.topo .direita{margin-left:auto;display:flex;align-items:center;gap:24px}
.link-topo{color:var(--text-muted);font:400 14px/1 var(--sans);text-decoration:none;
  transition:color .2s}
.link-topo:hover{color:var(--text)}

/* ---------- botoes ---------- */
.cta{display:inline-flex;flex-direction:column;align-items:center;gap:4px;
  background:var(--gradiente);color:#fff;text-decoration:none;cursor:pointer;
  border:0;border-radius:10px;padding:16px 32px;
  font:600 15px/1.25 var(--sans);letter-spacing:-.005em;text-align:center;
  box-shadow:0 8px 30px -8px rgba(59,130,246,.5);
  transition:filter .2s,box-shadow .2s,transform .12s}
.cta small{font:400 12.5px/1.3 var(--sans);color:rgba(255,255,255,.75)}
.cta:hover{filter:brightness(1.12);box-shadow:0 12px 40px -8px rgba(59,130,246,.65)}
.cta:active{transform:scale(.98)}

.cta.linha{background:none;color:var(--text);border:1px solid var(--border-hover);
  box-shadow:none}
.cta.linha small{color:var(--text-dim)}
.cta.linha:hover{background:var(--surface);border-color:var(--text-dim);filter:none}

.cta.miudo{padding:10px 20px;font-size:13.5px;border-radius:8px}
.cta:disabled{background:none;border:1px solid var(--border);color:var(--text-dim);
  box-shadow:none;cursor:default}

.botoes{display:flex;gap:14px;flex-wrap:wrap;margin-top:36px}

/* ---------- hero ---------- */
.abertura{padding:clamp(64px,10vh,110px) 0 var(--respiro);position:relative}
.abertura::before{  /* glow radial difuso */
  content:"";position:absolute;top:-180px;left:50%;transform:translateX(-50%);
  width:min(1000px,120%);height:620px;pointer-events:none;z-index:-1;
  background:radial-gradient(ellipse at center,var(--accent-soft),transparent 68%)}
.marca-grande{width:64px;height:64px;display:block;margin-bottom:28px}
.abertura .rotulo{margin-bottom:22px}
.abertura h1{max-width:14ch}
.abertura .chamada{font-size:18px;line-height:1.65;color:var(--text-muted);
  max-width:60ch;margin-top:24px}
.selo{display:inline-block;font:500 11px/1 var(--mono);letter-spacing:.18em;
  text-transform:uppercase;color:var(--text-dim);margin-bottom:22px}
.aviso{color:var(--text-dim);font-size:14px;margin-top:20px}
.aviso a{color:var(--text)}

/* ---------- secoes ---------- */
.secao{padding:var(--respiro) 0}
.secao.alternada{background:var(--bg-elevated);border-block:1px solid var(--border)}
.cabeca{margin-bottom:44px;max-width:60ch}
.cabeca .rotulo{margin-bottom:16px}
.cabeca p{margin-top:20px;font-size:17px;color:var(--text-muted)}

/* ---------- cards ---------- */
.servicos{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.servico,.bloco,.passos li,.cartao,.perguntas{
  background:var(--surface);border:1px solid var(--border);border-radius:16px}
.servico{padding:36px 32px;position:relative;
  transition:background .2s,border-color .2s,transform .2s}
.servico::before{content:"";position:absolute;inset:-1px;border-radius:16px;padding:1px;
  background:var(--gradiente);opacity:0;transition:opacity .2s;pointer-events:none;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude}
.servico:hover{background:var(--surface-2);transform:translateY(-2px)}
.servico:hover::before{opacity:.55}
.etiqueta{display:inline-block;font:500 11px/1 var(--mono);letter-spacing:.18em;
  text-transform:uppercase;color:var(--accent);margin-bottom:18px}
.servico h3{font-size:22px;margin-bottom:14px}
.servico p{color:var(--text-muted);font-size:16px;max-width:none}
.servico ul{list-style:none;margin-top:24px;display:flex;flex-direction:column;gap:12px}
.servico li{position:relative;padding-left:26px;color:var(--text-muted);font-size:15.5px;
  line-height:1.55}
.servico li::before{content:"";position:absolute;left:2px;top:8px;width:8px;height:8px;
  border-radius:50%;background:var(--gradiente)}

.beneficios{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.bloco{padding:32px;transition:background .2s,border-color .2s,transform .2s}
.bloco:hover{background:var(--surface-2);border-color:var(--border-hover);
  transform:translateY(-2px)}
.bloco h3{margin-bottom:12px}
.bloco p{color:var(--text-muted);font-size:15.5px;max-width:none}

/* ---------- problema ---------- */
.destaque{margin-top:24px;padding-left:20px;border-left:2px solid var(--accent);
  color:var(--text);font-size:19px;font-weight:600}

/* ---------- passos ---------- */
.passos{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.passos li{padding:32px;transition:background .2s,border-color .2s,transform .2s}
.passos li:hover{background:var(--surface-2);border-color:var(--border-hover);
  transform:translateY(-2px)}
.passos .n{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:var(--accent-soft);border:1px solid var(--border-hover);
  font:500 13px/1 var(--mono);color:var(--accent);margin-bottom:20px}
.passos h3{margin-bottom:10px}
.passos p{font-size:15.5px;color:var(--text-muted);max-width:none}
kbd{font:500 13px/1 var(--mono);background:var(--surface-2);border:1px solid var(--border);
  border-radius:6px;padding:4px 8px;color:var(--text);white-space:nowrap}

/* ---------- perguntas ---------- */
.perguntas{overflow:hidden}
.pergunta{border-bottom:1px solid var(--border)}
.pergunta:last-child{border-bottom:0}
.pergunta summary{list-style:none;cursor:pointer;padding:24px 32px;
  display:flex;align-items:center;gap:20px;font:600 17px/1.4 var(--sans);
  color:var(--text);transition:background .2s}
.pergunta summary::-webkit-details-marker{display:none}
.pergunta summary:hover{background:var(--surface-2)}
.pergunta summary::after{content:"+";margin-left:auto;font:400 22px/1 var(--sans);
  color:var(--text-dim);transition:transform .3s,color .2s}
.pergunta[open] summary::after{transform:rotate(135deg);color:var(--accent)}
.pergunta .resposta{padding:0 32px 26px;color:var(--text-muted);font-size:16px;
  animation:entrar .3s ease-out both}

/* ---------- fechamento ---------- */
.fechamento{padding:var(--respiro) 0;text-align:center;position:relative}
.fechamento::before{content:"";position:absolute;top:50%;left:50%;
  transform:translate(-50%,-50%);width:min(760px,110%);height:420px;
  pointer-events:none;z-index:-1;
  background:radial-gradient(ellipse at center,var(--accent-soft),transparent 70%)}
.fechamento h2{max-width:18ch;margin:0 auto}
.fechamento p{margin:20px auto 0;color:var(--text-muted)}
.fechamento .botoes{justify-content:center}

.rodape{border-top:1px solid var(--border);padding:32px 0 56px;
  display:flex;gap:20px;flex-wrap:wrap;align-items:center;color:var(--text-dim);
  font:400 12px/1.5 var(--mono);letter-spacing:.06em}
.rodape .fim{margin-left:auto}

/* ---------- video ---------- */
.area-video{width:100%;margin-top:48px}
.video{width:100%;aspect-ratio:16/9;position:relative;border-radius:20px;
  overflow:hidden;background:#000;padding:1px;
  background-image:var(--gradiente);
  box-shadow:0 30px 80px -30px rgba(59,130,246,.35)}
.video iframe{position:absolute;inset:1px;width:calc(100% - 2px);height:calc(100% - 2px);
  border:0;display:block;border-radius:19px}
.botao-play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:clamp(88px,10vw,132px);aspect-ratio:68/48;padding:0;border:0;background:none;
  cursor:pointer;display:block;transition:opacity .25s}
.botao-play svg{width:100%;height:100%;display:block;
  filter:drop-shadow(0 10px 26px rgba(0,0,0,.6))}
.botao-play .fundo{fill:#0b0b0e;fill-opacity:.82;transition:fill .2s,fill-opacity .2s}
.botao-play .seta{fill:#fff}
.botao-play:hover{animation:pulso 1.4s ease-in-out infinite}
.botao-play:hover .fundo{fill:var(--accent);fill-opacity:1}
.botao-play:focus-visible{outline:3px solid var(--accent);outline-offset:6px;border-radius:12px}
.video.tocando .botao-play{opacity:0;pointer-events:none}

/* ---------- espaco reservado do video ---------- */
.espera{position:absolute;inset:1px;border-radius:19px;display:flex;
  flex-direction:column;align-items:center;justify-content:center;gap:14px;
  background:
    radial-gradient(70% 90% at 50% 0%,rgba(59,130,246,.16),transparent 70%),
    var(--bg-elevated);
  overflow:hidden}
.espera::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(var(--border) 1px,transparent 1px),
                   linear-gradient(90deg,var(--border) 1px,transparent 1px);
  background-size:56px 56px;opacity:.45;
  -webkit-mask-image:radial-gradient(70% 70% at 50% 50%,#000,transparent 78%);
  mask-image:radial-gradient(70% 70% at 50% 50%,#000,transparent 78%)}
.espera-marca{position:relative;font:500 11px/1 var(--mono);letter-spacing:.18em;
  text-transform:uppercase;color:var(--text-dim)}
.espera-texto{position:relative;font:600 clamp(17px,2.4vw,24px)/1.3 var(--sans);
  letter-spacing:-.02em;color:var(--text);text-align:center;max-width:22ch;margin:0}
.espera-nota{position:relative;display:inline-flex;align-items:center;gap:8px;
  font:500 11px/1 var(--mono);letter-spacing:.18em;text-transform:uppercase;
  color:var(--accent);border:1px solid var(--border-hover);border-radius:99px;
  padding:7px 14px;background:var(--accent-soft)}

/* ---------- formulario e chave ---------- */
.cartao{padding:40px 32px}
.campo{display:block;margin-top:24px}
.campo .rotulo{margin-bottom:10px}
.campo input{width:100%;background:var(--bg);border:1px solid var(--border);
  border-radius:10px;color:var(--text);font:400 17px/1.4 var(--sans);
  padding:16px 18px;outline:none;transition:border-color .2s,box-shadow .2s}
.campo input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.campo input::placeholder{color:var(--text-dim)}
.cartao .cta{width:100%;margin-top:24px}
.recado{font-size:15px;margin-top:20px;color:var(--text-muted);line-height:1.55}
.recado.ruim{color:var(--text);border-left:2px solid var(--accent);padding-left:14px}

.chave-cartao{background:var(--surface);border:1px solid var(--border);border-radius:16px;
  padding:32px;margin-top:40px;position:relative}
.chave-cartao::before{content:"";position:absolute;inset:-1px;border-radius:16px;padding:1px;
  background:var(--gradiente);pointer-events:none;opacity:.6;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude}
.chave-cartao .rotulo{color:var(--accent)}
.chave{font:500 clamp(15px,2.2vw,19px)/1.7 var(--mono);letter-spacing:.04em;
  color:var(--text);word-break:break-all;margin:16px 0;user-select:all}
.chave-cartao p{font-size:15px;color:var(--text-muted)}
.chave-cartao .cta{margin-top:16px}
.girando{display:inline-block;width:16px;height:16px;border:2px solid var(--border-hover);
  border-top-color:var(--accent);border-radius:50%;animation:girar .8s linear infinite;
  vertical-align:-3px}

/* ---------- responsivo ---------- */
@media(max-width:860px){
  .servicos,.beneficios,.passos{grid-template-columns:1fr}
}
@media(max-width:620px){
  body{font-size:16px}
  .pagina,.topo .interno{padding:0 20px}
  .abertura .chamada{font-size:17px}
  .marca-grande{width:56px;height:56px}
  .cta{width:100%}
  .botoes{flex-direction:column}
  .link-topo{display:none}
  .servico,.bloco,.passos li,.cartao{padding:28px 22px}
  .pergunta summary{padding:20px 22px;font-size:16px}
  .pergunta .resposta{padding:0 22px 22px}
  .video{border-radius:16px}
}