/* CPU22 — cpu22.com.br | folha única, sem dependências externas (CWV: zero JS, zero webfont) */
:root{
  --bg:#070b14; --bg-2:#0b1324; --card:#101a2e; --card-2:#0e1728;
  --line:#1e2b47; --line-2:#2a3c61;
  --txt:#e8eef9; --muted:#9db0cf; --muted-2:#7a8cab;
  --cy:#22d3ee; --in:#6366f1; --vi:#a855f7; --ok:#34d399; --warn:#fbbf24;
  --grad:linear-gradient(105deg,#22d3ee 0%,#6366f1 55%,#a855f7 100%);
  --radius:16px; --radius-sm:10px;
  --wrap:1140px; --read:760px;
  --shadow:0 18px 40px -22px rgba(0,0,0,.85);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,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}*{animation:none!important;transition:none!important}}
body{margin:0;background:var(--bg);color:var(--txt);font:400 17px/1.7 var(--font);overflow-x:hidden;
  background-image:radial-gradient(900px 480px at 78% -8%,rgba(99,102,241,.20),transparent 62%),
                   radial-gradient(760px 420px at 6% 2%,rgba(34,211,238,.13),transparent 60%)}
img{max-width:100%;height:auto;display:block}
a{color:#7dd3fc;text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:3px solid var(--cy);outline-offset:3px;border-radius:6px}
h1,h2,h3,h4{line-height:1.22;margin:0 0 .5em;letter-spacing:-.02em;font-weight:800;text-wrap:balance}
h1{font-size:clamp(2rem,5.2vw,3.25rem)}
h2{font-size:clamp(1.5rem,3.4vw,2.1rem);margin-top:0}
h3{font-size:clamp(1.15rem,2.2vw,1.35rem)}
p,li{text-wrap:pretty}
p{margin:0 0 1.1em}
.wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:20px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:16px;z-index:99;background:var(--cy);color:#04121a;padding:10px 16px;border-radius:8px;font-weight:700}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(7,11,20,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.hdr__in{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.22rem;color:var(--txt);letter-spacing:-.03em}
.brand:hover{text-decoration:none}
.brand svg{flex:0 0 auto}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav a{color:var(--muted);padding:8px 12px;border-radius:8px;font-size:.95rem;font-weight:600}
.nav a:hover{color:var(--txt);background:var(--card);text-decoration:none}
.nav a[aria-current="page"]{color:var(--txt);background:var(--card)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:15px 26px;border-radius:999px;
  font-weight:800;font-size:1rem;border:1px solid transparent;cursor:pointer;line-height:1.2;text-align:center}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn--main{background:var(--grad);color:#050a14;box-shadow:0 12px 30px -12px rgba(99,102,241,.75)}
.btn--wa{background:#25D366;color:#04220f}
.btn--ghost{background:transparent;border-color:var(--line-2);color:var(--txt)}
.btn--ghost:hover{border-color:var(--cy);background:var(--card)}
.btn--sm{padding:11px 18px;font-size:.92rem}
.nav .btn--main{background:var(--cy);box-shadow:none;color:#04121a}
.btns{display:flex;flex-wrap:wrap;gap:14px;align-items:center}

/* hero */
.hero{padding:clamp(40px,6vw,76px) 0 clamp(32px,4vw,56px)}
.hero__grid{display:grid;grid-template-columns:1.06fr .94fr;gap:clamp(28px,4vw,52px);align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:800;letter-spacing:.09em;
  text-transform:uppercase;color:var(--cy);background:rgba(34,211,238,.09);border:1px solid rgba(34,211,238,.28);
  padding:7px 14px;border-radius:999px;margin-bottom:20px}
.lead{font-size:clamp(1.05rem,2vw,1.2rem);color:var(--muted);max-width:62ch}
.hero figure{margin:0}
.hero img{border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow)}

/* trust strip */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px;padding-top:26px;border-top:1px solid var(--line)}
.trust div{font-size:.9rem;color:var(--muted)}
.trust b{display:block;font-size:1.5rem;color:var(--txt);letter-spacing:-.03em}

/* TL;DR — front-loading */
.tldr{background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid var(--line);
  border-left:4px solid var(--cy);border-radius:var(--radius);padding:24px 26px;margin:0 0 34px}
.tldr h2{font-size:1.05rem;text-transform:uppercase;letter-spacing:.09em;color:var(--cy);margin-bottom:12px}
.tldr ul{margin:0;padding-left:20px}
.tldr li{margin-bottom:8px}
.tldr li:last-child{margin-bottom:0}

/* sections */
main section{padding:clamp(34px,5vw,58px) 0;border-top:1px solid rgba(30,43,71,.6)}
main section:first-of-type{border-top:0}
.prose{max-width:var(--read)}
.prose ul,.prose ol{padding-left:22px;margin:0 0 1.2em}
.prose li{margin-bottom:.55em}
.snippet{font-size:1.06rem;color:var(--txt);background:rgba(34,211,238,.06);border:1px solid rgba(34,211,238,.2);
  border-radius:var(--radius-sm);padding:18px 20px;margin-bottom:1.2em}

/* cards */
.grid{display:grid;gap:18px}
.grid--3{grid-template-columns:repeat(3,1fr)}
.grid--2{grid-template-columns:repeat(2,1fr)}
.card{background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid var(--line);
  border-radius:var(--radius);padding:24px}
.card h3{margin-bottom:.4em}
.card p:last-child{margin-bottom:0}
.card__ico{width:42px;height:42px;border-radius:12px;background:var(--grad);display:grid;place-items:center;
  font-size:1.25rem;margin-bottom:14px;color:#050a14;font-weight:800}

/* tabelas */
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);margin:0 0 1.4em;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:520px;font-size:.96rem}
caption{caption-side:top;text-align:left;padding:14px 18px;color:var(--muted);font-size:.9rem;border-bottom:1px solid var(--line)}
th,td{padding:13px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
thead th{background:rgba(99,102,241,.13);font-size:.82rem;text-transform:uppercase;letter-spacing:.07em;color:#c5d3ec}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:rgba(99,102,241,.05)}

/* passos */
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:16px}
.steps li{counter-increment:s;position:relative;padding:22px 24px 22px 74px;background:linear-gradient(180deg,var(--card),var(--card-2));
  border:1px solid var(--line);border-radius:var(--radius)}
.steps li::before{content:counter(s);position:absolute;left:22px;top:22px;width:36px;height:36px;border-radius:10px;
  background:var(--grad);color:#050a14;font-weight:800;display:grid;place-items:center;font-size:1.05rem}
.steps h3{font-size:1.1rem;margin-bottom:.3em}
.steps p:last-child{margin-bottom:0}

/* planos */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;align-items:start}
.plan{background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative}
.plan--top{border-color:rgba(99,102,241,.7);box-shadow:var(--shadow)}
.plan__tag{position:absolute;top:-12px;left:26px;background:var(--grad);color:#050a14;font-size:.74rem;font-weight:800;
  letter-spacing:.07em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.plan h3{margin-bottom:.2em}
.plan__price{font-size:2.3rem;font-weight:800;letter-spacing:-.04em;margin:10px 0 2px}
.plan__price small{font-size:.92rem;font-weight:600;color:var(--muted);letter-spacing:0}
.plan ul{list-style:none;padding:0;margin:18px 0 22px;font-size:.96rem}
.plan li{padding-left:26px;position:relative;margin-bottom:9px;color:var(--muted)}
.plan li::before{content:"✓";position:absolute;left:0;top:-1px;color:var(--ok);font-weight:800}
.plan .btn{width:100%}

/* checklist */
.check{list-style:none;padding:0;margin:0 0 1.3em}
.check li{position:relative;padding-left:32px;margin-bottom:11px}
.check li::before{content:"";position:absolute;left:0;top:7px;width:18px;height:18px;border-radius:5px;
  border:2px solid var(--cy);background:rgba(34,211,238,.12)}

/* faq */
.faq{display:grid;gap:12px;max-width:860px}
.faq details{background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.faq summary{padding:18px 22px;cursor:pointer;font-weight:700;font-size:1.03rem;list-style:none;display:flex;gap:14px;align-items:flex-start}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";margin-left:auto;color:var(--cy);font-size:1.5rem;line-height:1;font-weight:400}
.faq details[open] summary::after{content:"−"}
.faq summary:hover{background:rgba(99,102,241,.07)}
.faq .faq__a{padding:0 22px 20px;color:var(--muted)}
.faq .faq__a p:last-child{margin-bottom:0}
.faq h3{font-size:1.03rem;margin:0;font-weight:700}

/* cta band */
.cta{background:linear-gradient(120deg,rgba(34,211,238,.13),rgba(168,85,247,.15));border:1px solid var(--line-2);
  border-radius:20px;padding:clamp(28px,4vw,46px);text-align:center;margin:8px 0 12px}
.cta h2{margin-bottom:.35em}
.cta p{color:var(--muted);max-width:60ch;margin-inline:auto}
.cta .btns{justify-content:center;margin-top:8px}

/* figuras */
figure{margin:0 0 1.6em}
figure img{border-radius:var(--radius);border:1px solid var(--line)}
figcaption{font-size:.88rem;color:var(--muted-2);margin-top:10px;text-align:left}

/* breadcrumb */
.bc{font-size:.88rem;color:var(--muted-2);padding:18px 0 0}
.bc ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0}
.bc li+li::before{content:"›";margin-right:8px;color:var(--line-2)}
.bc a{color:var(--muted)}

/* meta autor */
.byline{display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center;font-size:.88rem;color:var(--muted-2);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:14px 0;margin-bottom:30px}
.byline strong{color:var(--muted);font-weight:700}

/* sumário */
.toc{background:var(--card-2);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;margin-bottom:34px}
.toc h2{font-size:1rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:12px}
.toc ol{margin:0;padding-left:20px;columns:2;column-gap:32px}
.toc li{margin-bottom:7px;break-inside:avoid}

/* footer */
.ft{border-top:1px solid var(--line);background:#050912;margin-top:40px;padding:48px 0 30px;font-size:.93rem;color:var(--muted)}
.ft__grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:30px}
.ft__bot a{color:var(--muted-2)}
.ft__bot a:hover{color:var(--txt)}
.ft__legal{display:flex;flex-wrap:wrap;gap:4px 14px}
.ft h3{font-size:.86rem;text-transform:uppercase;letter-spacing:.09em;color:var(--txt);margin-bottom:14px}
.ft ul{list-style:none;padding:0;margin:0}
.ft li{margin-bottom:9px}
.ft a{color:var(--muted)}
.ft a:hover{color:var(--txt)}
.ft__bot{border-top:1px solid var(--line);margin-top:34px;padding-top:22px;font-size:.85rem;color:var(--muted-2);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between}
.disclaimer{font-size:.82rem;color:var(--muted-2);max-width:74ch;margin-top:14px;line-height:1.6}

/* whatsapp flutuante */
.wa-float{position:fixed;right:18px;bottom:18px;z-index:60;width:58px;height:58px;border-radius:50%;background:#25D366;
  display:grid;place-items:center;box-shadow:0 12px 28px -8px rgba(0,0,0,.7)}
.wa-float:hover{transform:scale(1.06)}
.wa-float svg{width:30px;height:30px;fill:#04220f}

@media (max-width:760px){
  .hdr__in{min-height:58px;gap:12px}
  .nav{gap:0;flex-wrap:nowrap;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:none}
  .nav::-webkit-scrollbar{display:none}
  .nav a{padding:8px 10px;font-size:.9rem;white-space:nowrap}
  .nav .btn{display:none}
  .byline{gap:6px 14px;font-size:.84rem}
}
@media (max-width:900px){
  .hero__grid,.grid--3,.grid--2,.plans,.ft__grid{grid-template-columns:1fr}
  .trust{grid-template-columns:repeat(2,1fr)}
  .toc ol{columns:1}
  .hero__grid{gap:30px}
  body{font-size:16.5px}
}
@media (max-width:430px){
  .nav a{padding:7px 9px;font-size:.88rem}
  .btn{width:100%}
  .btns{gap:10px}
}
@media print{.hdr,.wa-float,.cta{display:none}body{background:#fff;color:#000}}