/* BNX Academy · site público (landing + dica grátis). Linguagem v2 aprovada em 07/11/2026
   (telas-final-07-11/DESIGN.md). Sem CDN: fonte local, ícones em SVG inline. */
@font-face{font-family:'Inter';font-style:normal;font-weight:100 900;font-display:swap;src:url('../fonts/Inter-var.woff2') format('woff2')}
:root{
  --background:#090B10;--secondary:#11151D;--card:#191E28;--border:#2D333D;--muted:#2D333D;
  --foreground:#F5F6F8;--muted-foreground:#9CA3AF;
  --primary:#D9AF67;--primary-hover:#F0CD8F;--primary-foreground:#090B10;
  --success:#3DD68C;--warning:#FFB35C;--destructive:#FF4D6A;
  --radius-lg:12px;--radius-xl:16px;--radius-btn:8px;--radius-sm:6px;
  --shadow-card:0 8px 24px rgb(0 0 0 / .35);
  --focus-ring:0 0 0 2px var(--background),0 0 0 4px var(--primary);
  --hero-fade:linear-gradient(90deg,#090B10 0%,#090B10 28%,rgb(9 11 16 / .75) 50%,rgb(9 11 16 / 0) 78%);
  --hero-fade-bottom:linear-gradient(to top,#090B10 0%,rgb(9 11 16 / .55) 45%,rgb(9 11 16 / 0) 75%);
  --gutter:20px;--max:1200px;
  --font:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;background:var(--background);color:var(--foreground);font:400 16px/1.6 var(--font);overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--primary);text-underline-offset:3px}
a:hover{color:var(--primary-hover)}
:focus-visible{outline:none;box-shadow:var(--focus-ring);border-radius:var(--radius-btn)}
h1,h2,h3{margin:0;letter-spacing:-.02em;text-wrap:balance}
h1{font-weight:800;font-size:32px;line-height:1.1}
h2{font-weight:800;font-size:24px;line-height:1.2}
h3{font-weight:700;font-size:18px;line-height:1.3}
p{margin:0}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.muted{color:var(--muted-foreground)}
.small{font-size:14px;line-height:1.45}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.ico{width:20px;height:20px;flex:none;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.ico--sm{width:16px;height:16px}

/* Cabeçalho */
.top{position:sticky;top:0;z-index:20;background:var(--secondary);border-bottom:1px solid var(--border)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:16px}
.logo{display:inline-flex;align-items:center;gap:12px;color:var(--foreground);text-decoration:none;min-height:44px}
.logo:hover{color:var(--foreground)}
.logo svg{width:36px;height:36px;flex:none}
.logo b{display:block;font-weight:700;font-size:17px;line-height:1;letter-spacing:-.01em}
.logo small{display:block;font-size:12px;line-height:1;color:var(--muted-foreground);margin-top:4px}
.top nav a{display:none;color:var(--foreground);text-decoration:none;font-weight:600;font-size:14px;min-height:44px;align-items:center;padding:0 4px}
.top nav a:hover{color:var(--primary)}

/* Chip de categoria (única caixa alta) */
.cat{display:inline-block;font:700 11px/1 var(--font);letter-spacing:.06em;text-transform:uppercase;color:var(--primary);background:rgb(217 175 103 / .16);border:1px solid rgb(217 175 103 / .35);border-radius:var(--radius-sm);padding:6px 8px}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:0 24px;border-radius:var(--radius-btn);font:600 16px/1 var(--font);text-decoration:none;border:1px solid transparent;cursor:pointer;transition:background-color 120ms,border-color 120ms,color 120ms}
.btn--primary{background:var(--primary);color:var(--primary-foreground)}
.btn--primary:hover{background:var(--primary-hover);color:var(--primary-foreground)}
.btn--secondary{background:rgb(17 21 29 / .85);border-color:var(--border);color:var(--foreground)}
.btn--secondary:hover{border-color:var(--muted-foreground);color:var(--foreground)}
.btn--block{width:100%}
.btn[disabled]{opacity:.6;cursor:progress}
.btns{display:flex;flex-direction:column;gap:12px}

/* Capa */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--border)}
.hero__img{position:relative;aspect-ratio:3/2;width:100%}
.hero__img img{width:100%;height:100%;object-fit:cover;object-position:70% 30%}
.hero__img::after{content:"";position:absolute;inset:0;background:var(--hero-fade-bottom)}
.hero__body{position:relative;margin-top:-56px;padding-bottom:40px;display:flex;flex-direction:column;gap:20px}
.hero__lead{font-size:18px;line-height:1.55;color:var(--muted-foreground);max-width:40ch}
.meta{display:flex;flex-wrap:wrap;gap:8px 16px;font-weight:600;font-size:15px}
.meta span{display:inline-flex;align-items:center;gap:8px}
.meta .ico{color:var(--primary)}

/* Seções */
.sec{padding:56px 0;border-bottom:1px solid var(--border)}
.sec--alt{background:var(--secondary)}
.sec__head{display:flex;flex-direction:column;gap:12px;margin-bottom:28px;max-width:62ch}
.lead{font-size:18px;line-height:1.55;color:var(--muted-foreground)}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-card)}
.card__pad{padding:24px}

/* Comparação chat × agente */
.compare{display:grid;gap:16px}
.compare ul{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:12px}
.compare li{display:flex;gap:12px;align-items:flex-start}
.compare li .ico{margin-top:3px}
.compare .is-chat .ico{color:var(--muted-foreground)}
.compare .is-agent{border-color:rgb(217 175 103 / .45)}
.compare .is-agent .ico{color:var(--primary)}
.exemplos{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.exemplos p{padding-left:16px;border-left:2px solid var(--border)}

/* Lista numerada das regras */
.regras{list-style:none;counter-reset:r;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.regras li{counter-increment:r;display:grid;grid-template-columns:36px 1fr;gap:14px;align-items:start;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:16px}
.regras li::before{content:counter(r);display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-btn);background:rgb(217 175 103 / .16);color:var(--primary);font-weight:800;font-variant-numeric:tabular-nums}
.regras b{display:block;font-weight:700;margin-bottom:2px}
.regras.extra{counter-reset:r 5}

/* Etapas da imersão */
.etapas{display:grid;gap:16px}
.etapa{overflow:hidden;display:flex;flex-direction:column}
.etapa__img{aspect-ratio:16/9;position:relative}
.etapa__img img{width:100%;height:100%;object-fit:cover}
.hero__img img,.dica-hero__img img,.etapa__img img{height:100%}
.etapa__body{padding:20px 24px 24px;display:flex;flex-direction:column;gap:8px}
.etapa ul{margin:4px 0 0;padding-left:20px;color:var(--muted-foreground)}
.etapa li{margin:4px 0}

/* Prova */
.prova{display:grid;gap:16px}
.prova .card__pad{display:flex;flex-direction:column;gap:12px}
.fonte{font-size:14px;color:var(--muted-foreground)}

/* Quem ensina */
.quem{display:grid;gap:24px;align-items:center}
.quem img{width:100%;height:auto;max-width:200px;aspect-ratio:1;object-fit:cover;border-radius:var(--radius-lg);border:1px solid var(--border)}

/* Formulário */
.form-card{padding:24px;display:flex;flex-direction:column;gap:18px}
.form-card h2,.form-card h3{font-size:22px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-weight:500;font-size:14px}
.field input{width:100%;min-height:48px;padding:0 14px;background:var(--background);color:var(--foreground);border:1px solid var(--border);border-radius:var(--radius-btn);font:400 16px/1 var(--font)}
.field input::placeholder{color:#6B7280}
.field input:focus-visible{border-color:var(--primary);box-shadow:var(--focus-ring)}
.field.has-error input{border-color:var(--destructive)}
.field__error{display:none;align-items:flex-start;gap:6px;color:var(--destructive);font-size:14px;line-height:1.4}
.field.has-error .field__error{display:flex}
.check{display:flex;gap:12px;align-items:flex-start;cursor:pointer;min-height:44px;padding-top:4px}
.check input{position:absolute;opacity:0;width:1px;height:1px}
.check__box{flex:none;width:22px;height:22px;margin-top:1px;border:1px solid var(--muted-foreground);border-radius:var(--radius-sm);background:var(--background);display:flex;align-items:center;justify-content:center;color:var(--primary-foreground)}
.check__box .ico{width:14px;height:14px;opacity:0;stroke-width:3}
.check input:checked+.check__box{background:var(--primary);border-color:var(--primary)}
.check input:checked+.check__box .ico{opacity:1}
.check input:focus-visible+.check__box{box-shadow:var(--focus-ring)}
.field.has-error .check__box{border-color:var(--destructive)}
.check__txt{font-size:15px;line-height:1.5;font-weight:400}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.alert{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border-radius:var(--radius-btn);border:1px solid;font-size:15px;line-height:1.45}
.alert b{display:block}
.alert--erro{border-color:rgb(255 77 106 / .5);background:rgb(255 77 106 / .08)}
.alert--erro .ico{color:var(--destructive)}
.alert--ok{border-color:rgb(61 214 140 / .45);background:rgb(61 214 140 / .08)}
.alert--ok .ico{color:var(--success)}
.spin{animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
[hidden]{display:none!important}

/* Perguntas */
.faq{display:flex;flex-direction:column;gap:12px}
.faq details{background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;min-height:56px;padding:12px 20px;font-weight:600}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ico{transition:transform 200ms;color:var(--muted-foreground)}
.faq details[open] summary .ico{transform:rotate(180deg)}
.faq details p{padding:0 20px 18px;color:var(--muted-foreground)}

/* Fecho com foto */
.fecho{position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--border)}
.fecho img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.45}
.fecho::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#090B10 10%,rgb(9 11 16 / .7) 60%,rgb(9 11 16 / .35))}
.fecho__body{position:relative;z-index:1;padding:32px 24px;display:flex;flex-direction:column;gap:14px;max-width:560px}

/* Rodapé */
.rodape{padding:32px 0 104px;background:var(--secondary);font-size:14px;color:var(--muted-foreground)}
.rodape .wrap{display:flex;flex-direction:column;gap:12px}
.rodape nav{display:flex;flex-wrap:wrap;gap:4px 20px}
.rodape a{color:var(--foreground);min-height:44px;display:inline-flex;align-items:center}

/* CTA fixo no celular */
.cta-fixo{position:fixed;left:0;right:0;bottom:0;z-index:30;padding:12px var(--gutter) calc(12px + env(safe-area-inset-bottom));background:var(--secondary);border-top:1px solid var(--border);transform:translateY(110%);transition:transform 200ms}
.cta-fixo.on{transform:none}

/* Página da dica */
.dica-hero{position:relative;border-bottom:1px solid var(--border)}
.dica-hero__img{aspect-ratio:16/10;position:relative}
.dica-hero__img img{width:100%;height:100%;object-fit:cover}
.dica-hero__img::after{content:"";position:absolute;inset:0;background:var(--hero-fade-bottom)}
.dica-grid{position:relative;margin-top:-40px;display:grid;gap:28px;padding-bottom:48px}
.dica-intro{display:flex;flex-direction:column;gap:16px}
.conteudo{display:flex;flex-direction:column;gap:20px}
.conteudo h3{margin-top:8px}
.conteudo .teste{background:var(--secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:18px 20px;display:flex;flex-direction:column;gap:8px}
.frase-topo{font-size:18px;font-weight:600;line-height:1.45}

@media (min-width:768px){
  :root{--gutter:32px}
  .compare{grid-template-columns:1fr 1fr}
  .etapas{grid-template-columns:repeat(3,1fr)}
  .prova{grid-template-columns:1fr 1fr}
  .quem{grid-template-columns:320px 1fr}
  .quem img{max-width:320px}
  .btns{flex-direction:row;flex-wrap:wrap}
}
@media (min-width:1024px){
  h1{font-size:48px;line-height:1.06}
  h2{font-size:32px}
  .top nav a{display:inline-flex}
  .hero{min-height:620px;display:flex;align-items:center}
  .hero > .wrap{width:100%}
  .hero__img{position:absolute;inset:0 0 0 auto;width:62%;aspect-ratio:auto}
  .hero__img::after{background:var(--hero-fade)}
  .hero__body{margin-top:0;padding:72px 0;max-width:600px}
  .sec{padding:88px 0}
  .cta-fixo{display:none}
  .rodape{padding-bottom:32px}
  .dica-hero{min-height:560px}
  .dica-hero__img{position:absolute;inset:0;aspect-ratio:auto}
  .dica-hero__img::after{background:linear-gradient(90deg,#090B10 0%,rgb(9 11 16 / .85) 45%,rgb(9 11 16 / .35) 100%)}
  .dica-grid{margin-top:0;grid-template-columns:1fr 440px;align-items:start;padding:64px var(--gutter) 64px}
  .dica-intro{position:sticky;top:120px}
  .fecho__body{padding:48px}
}
@media print{
  .top,.cta-fixo,.rodape,.no-print,.dica-hero__img,.dica-intro{display:none!important}
  body{background:#fff;color:#000}
  .card,.regras li,.conteudo .teste{background:#fff;border-color:#999;box-shadow:none}
  .muted,.lead{color:#333}
}