/* Na Frente IA — sistema visual: fundo carvão, verde neon de sinal, grade de radar, tipografia pesada + mono de terminal */
:root{
  --bg:#0A0A0A; --bg2:#0F1110; --panel:#131614; --line:#232825; --line2:#2f3632;
  --fg:#F3F5F4; --soft:#C6CDC9; --muted:#8E9792;
  --neon:#00FF88; --neon2:#00C46A; --ink:#03170D; --red:#FF4D4D; --amber:#FFC44D;
  --display:'Inter Tight','Inter',system-ui,-apple-system,Segoe UI,sans-serif;
  --body:'Inter',system-ui,-apple-system,Segoe UI,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.55 var(--body);-webkit-font-smoothing:antialiased}
a{color:var(--neon)}
img{max-width:100%}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(20px,env(safe-area-inset-left,0px));padding-right:max(20px,env(safe-area-inset-right,0px))}
.grid-bg{position:fixed;inset:0;pointer-events:none;z-index:0;background:
  repeating-linear-gradient(90deg,rgba(255,255,255,.028) 0 1px,transparent 1px 72px),
  repeating-linear-gradient(0deg,rgba(255,255,255,.028) 0 1px,transparent 1px 72px);
  mask-image:radial-gradient(ellipse at 50% 0%,#000 30%,transparent 80%)}
main,header,footer{position:relative;z-index:1}

/* topo */
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:18px}
.logo{display:inline-flex;align-items:center;gap:10px;font:900 17px/1 var(--display);letter-spacing:.6px;color:var(--fg);text-decoration:none}
.logo span{background:var(--neon);color:var(--ink);padding:3px 9px;border-radius:6px}
.nav nav{display:flex;gap:22px;align-items:center}
.nav nav a{color:var(--soft);text-decoration:none;font-size:14px;font-weight:500}
.nav nav a:hover{color:var(--fg)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:0;cursor:pointer;text-decoration:none;
  background:var(--neon);color:var(--ink);font:800 16px/1 var(--display);letter-spacing:.2px;padding:16px 24px;border-radius:12px;
  box-shadow:0 0 0 0 rgba(0,255,136,.5);transition:transform .15s ease,box-shadow .25s ease}
.btn:hover{transform:translateY(-1px);box-shadow:0 0 28px -4px rgba(0,255,136,.55)}
.btn:focus-visible,.field input:focus-visible,.opt:focus-within{outline:2px solid var(--fg);outline-offset:2px}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line2);box-shadow:none}
.btn.sm{padding:11px 16px;font-size:14px;border-radius:10px}
@media (max-width:760px){.nav nav a:not(.btn){display:none}}

/* tipografia */
.eyebrow{font:700 12.5px/1.2 var(--mono);letter-spacing:3px;text-transform:uppercase;color:var(--neon)}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0}
h1{font-weight:900;font-size:clamp(40px,7.2vw,88px);line-height:.98;letter-spacing:-2.5px}
h2{font-weight:900;font-size:clamp(30px,4.4vw,52px);line-height:1.02;letter-spacing:-1.4px}
h3{font-weight:800;font-size:20px;line-height:1.2;letter-spacing:-.3px}
.g{color:var(--neon)} .r{color:var(--red)}
.lead{font-size:clamp(17px,2vw,20px);color:var(--soft);max-width:60ch;margin:22px 0 0}
section{padding-block:clamp(64px,9vw,120px)}
.sec-head{display:grid;gap:14px;max-width:820px;margin-bottom:42px}

/* hero */
.hero{padding-block:clamp(40px,7vw,90px) clamp(56px,8vw,100px)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center}
@media (max-width:960px){.hero-grid{grid-template-columns:minmax(0,1fr)}}
.scanform{margin-top:34px;display:flex;gap:10px;flex-wrap:wrap;max-width:600px}
.scanform .field{flex:1 1 260px;min-width:0}
.field input,.field select,.field textarea{width:100%;background:var(--bg2);border:1px solid var(--line2);color:var(--fg);border-radius:12px;padding:16px 16px;font:500 16px var(--body)}
.field input::placeholder{color:#66706b}
.micro{margin-top:12px;font-size:13px;color:var(--muted)}

/* terminal de varredura */
.term{background:#070807;border:1px solid var(--line2);border-radius:16px;overflow:hidden;box-shadow:0 30px 80px -30px rgba(0,255,136,.18)}
.term-top{display:flex;align-items:center;gap:8px;padding:12px 14px;border-bottom:1px solid var(--line);font:600 12px var(--mono);color:var(--muted)}
.term-top i{width:10px;height:10px;border-radius:50%;background:#2b302d;display:inline-block}
.term-top b{margin-left:auto;color:var(--neon);font-weight:700}
.term-body{padding:18px 18px 20px;font:500 13.5px/1.75 var(--mono);min-height:330px;color:var(--soft)}
.term-body .ln{display:flex;gap:10px;white-space:pre-wrap;word-break:break-word}
.term-body .k{color:var(--muted)} .term-body .ok{color:var(--neon)} .term-body .bad{color:var(--red)} .term-body .warn{color:var(--amber)}
.term-score{display:flex;align-items:baseline;gap:12px;margin-top:14px;padding-top:14px;border-top:1px dashed var(--line2)}
.term-score b{font:900 44px/1 var(--display);color:var(--red)}
.caret{display:inline-block;width:8px;height:16px;background:var(--neon);vertical-align:-3px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.term-note{font:500 11px var(--mono);color:#5d6661;padding:0 18px 14px}

/* faixa de dados */
.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.stat{background:var(--bg);padding:28px 26px;display:grid;gap:10px;align-content:start}
.stat b{font:900 clamp(44px,6vw,64px)/1 var(--display);color:var(--neon);letter-spacing:-2px}
.stat p{margin:0;color:var(--soft)}
.stat small{font:500 11.5px var(--mono);color:var(--muted)}
@media (max-width:860px){.stats{grid-template-columns:minmax(0,1fr)}}

/* checks */
.checks{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
@media (max-width:960px){.checks{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:600px){.checks{grid-template-columns:minmax(0,1fr)}}
.check{border:1px solid var(--line);border-radius:14px;padding:22px;display:grid;gap:10px;align-content:start;background:linear-gradient(180deg,var(--panel),var(--bg))}
.check .pts{font:700 12px var(--mono);color:var(--neon)}
.check p{margin:0;color:var(--soft);font-size:15px}

/* etapas */
.steps{display:grid;gap:0;border-top:1px solid var(--line)}
.step{display:grid;grid-template-columns:88px minmax(0,1fr) auto;gap:20px;align-items:baseline;padding:26px 0;border-bottom:1px solid var(--line)}
.step .n{font:700 13px var(--mono);color:var(--neon)}
.step p{margin:6px 0 0;color:var(--soft);max-width:62ch}
.step .tag{font:700 12px var(--mono);color:var(--fg);border:1px solid var(--line2);border-radius:999px;padding:6px 12px;white-space:nowrap}
.step .tag.free{color:var(--neon);border-color:rgba(0,255,136,.35)}
@media (max-width:700px){.step{grid-template-columns:minmax(0,1fr)}.step .tag{justify-self:start}}

/* frase de impacto */
.manifesto{font:900 clamp(34px,6vw,76px)/1 var(--display);letter-spacing:-2px;text-wrap:balance}
.manifesto em{font-style:normal;color:var(--neon)}

/* faq */
.faq{display:grid;gap:10px;max-width:860px}
.faq details{border:1px solid var(--line);border-radius:12px;padding:18px 20px;background:var(--bg2)}
.faq summary{cursor:pointer;font:800 17px var(--display);list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";color:var(--neon);font-family:var(--mono)}
.faq details[open] summary::after{content:"–"}
.faq p{margin:12px 0 0;color:var(--soft)}

/* rodapé */
footer{border-top:1px solid var(--line);padding-block:40px 56px;color:var(--muted);font-size:14px}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px}
.foot a{color:var(--soft)}
.copy-line{display:flex;flex-wrap:wrap;gap:8px 20px}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}