:root{
  --accent:#4285F4; --accent-rgb:66,133,244;          /* cor da categoria (Pesquisa) */
  --bg:#070709; --bg-2:#0d0e12;
  --text:#f5f5f7; --muted:#9498a3; --muted-2:#6c6f78;
  --hair:rgba(255,255,255,.10); --hair-2:rgba(255,255,255,.06);
  --glass:rgba(255,255,255,.045); --glass-2:rgba(255,255,255,.07);
  --display:'Sora',system-ui,sans-serif; --sans:'Manrope',system-ui,sans-serif; --mono:'JetBrains Mono',monospace;
  --code:#dfe2ea;
}
:root[data-theme="light"]{
  --bg:#f1f1f4; --bg-2:#ffffff;
  --text:#1d1d1f; --muted:#5b5d63; --muted-2:#86868b;
  --hair:rgba(0,0,0,.13); --hair-2:rgba(0,0,0,.06);
  --glass:rgba(255,255,255,.62); --glass-2:rgba(255,255,255,.85);
  --code:#1d1d1f; --accent:#1a73e8;
}
:root[data-theme="light"] .bgfx .glow{opacity:.22}
:root[data-theme="light"] .bgfx::after{mix-blend-mode:multiply;opacity:.05}
:root[data-theme="light"] .prompt{background:rgba(0,0,0,.04)}
/* cabeçalho: voltar + toggle de tema */
.brand .hm{font-size:1.15rem;line-height:1;margin-right:.05rem;color:var(--muted);transition:.15s}
.brand:hover .hm{color:var(--text)}
.tgl{display:grid;place-items:center;width:32px;height:32px;border-radius:999px;background:transparent;border:none;color:var(--muted);cursor:pointer;transition:.15s}
.tgl:hover{color:var(--text);background:var(--glass-2)}
.tgl svg{width:17px;height:17px}
.tgl .sun{display:block}.tgl .moon{display:none}
:root[data-theme="light"] .tgl .sun{display:none}
:root[data-theme="light"] .tgl .moon{display:block}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);color:var(--text);font-size:17px;line-height:1.65;background:var(--bg);
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden;
}
/* atmosfera: glows da cor da categoria + grão */
.bgfx{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden}
.bgfx .glow{position:absolute;border-radius:50%;filter:blur(90px);opacity:.55}
.bgfx .g1{width:60vw;height:60vw;top:-22vw;left:50%;transform:translateX(-50%);background:radial-gradient(circle,rgba(var(--accent-rgb),.42),transparent 62%)}
.bgfx .g2{width:42vw;height:42vw;bottom:-16vw;left:-10vw;background:radial-gradient(circle,rgba(var(--accent-rgb),.18),transparent 60%)}
.bgfx .g3{width:38vw;height:38vw;top:38vh;right:-12vw;background:radial-gradient(circle,rgba(120,130,255,.14),transparent 60%)}
.bgfx::after{content:"";position:absolute;inset:0;opacity:.04;mix-blend-mode:overlay;
  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='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.wrap{max-width:1040px;margin:0 auto;padding:0 1.5rem;position:relative;z-index:2}
a{color:var(--accent);text-decoration:none}

#bar{position:fixed;top:0;left:0;height:2px;width:0;z-index:90;background:var(--accent);box-shadow:0 0 12px rgba(var(--accent-rgb),.8)}

/* nav flutuante (glass capsule, estilo Apple) */
.topnav{position:sticky;top:14px;z-index:80;display:flex;justify-content:center;margin-top:14px}
.cap{display:flex;align-items:center;gap:.2rem;background:var(--glass);backdrop-filter:blur(22px) saturate(160%);-webkit-backdrop-filter:blur(22px) saturate(160%);
  border:1px solid var(--hair);border-radius:999px;padding:.45rem .5rem;box-shadow:0 8px 30px -12px rgba(0,0,0,.7)}
.cap .brand{font-family:var(--display);font-weight:700;font-size:.92rem;padding:.25rem .7rem;display:flex;align-items:center;gap:.45rem}
.cap .brand i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px rgba(var(--accent-rgb),.9);font-style:normal}
.cap .sep{width:1px;height:18px;background:var(--hair)}
.cap a.nl{font-size:.82rem;font-weight:600;color:var(--muted);padding:.28rem .7rem;border-radius:999px;transition:.15s;white-space:nowrap}
.cap a.nl:hover{color:var(--text);background:var(--glass-2)}
@media(max-width:720px){.cap .nl.hideable{display:none}}

/* hero */
.hero{text-align:center;padding:5.5rem 0 3.5rem}
.chip-logo{width:96px;height:96px;margin:0 auto 1.8rem;border-radius:26px;background:var(--glass);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border:1px solid var(--hair);display:grid;place-items:center;padding:18px;box-shadow:0 1px 0 rgba(255,255,255,.08) inset,0 24px 60px -22px rgba(0,0,0,.8),0 0 50px -10px rgba(var(--accent-rgb),.35)}
.chip-logo img{width:100%;height:100%;object-fit:contain}
.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font:600 .76rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent);
  background:rgba(var(--accent-rgb),.10);border:1px solid rgba(var(--accent-rgb),.30);border-radius:999px;padding:.4rem .85rem}
h1{font-family:var(--display);font-weight:700;font-size:clamp(3rem,9.5vw,6rem);line-height:1.02;letter-spacing:-.035em;margin:1.3rem 0 0}
.sub{font-size:clamp(1.15rem,2.6vw,1.5rem);color:var(--muted);max-width:30ch;margin:1.1rem auto 0;font-weight:500;line-height:1.4}
.cta-row{display:flex;gap:.7rem;justify-content:center;flex-wrap:wrap;margin-top:2rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:600;font-size:1rem;padding:.85rem 1.6rem;border-radius:999px;transition:.18s;border:1px solid transparent}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 10px 30px -10px rgba(var(--accent-rgb),.6)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 40px -12px rgba(var(--accent-rgb),.75)}
.btn-ghost{background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-color:var(--hair);color:var(--text)}
.btn-ghost:hover{background:var(--glass-2)}
.metas{display:flex;gap:.5rem;justify-content:center;flex-wrap:wrap;margin-top:1.8rem}
.metas span{font:500 .78rem var(--mono);color:var(--muted);background:var(--glass);border:1px solid var(--hair);border-radius:999px;padding:.32rem .8rem;backdrop-filter:blur(10px)}
.metas b{color:var(--text)}

/* disclaimer strip */
.indep{display:flex;gap:.7rem;align-items:flex-start;max-width:820px;margin:1.5rem auto 0;font-size:.84rem;color:var(--muted);
  background:var(--glass);border:1px solid var(--hair);border-radius:16px;padding:.85rem 1.1rem;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);line-height:1.5}
.indep .ast{color:var(--accent);font-weight:700;font-family:var(--mono)}
.indep b{color:var(--text);font-weight:600}

/* seções */
section{padding:4rem 0;position:relative}
.kick{font:600 .76rem var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:.9rem}
h2{font-family:var(--display);font-weight:700;font-size:clamp(1.9rem,4.6vw,2.8rem);letter-spacing:-.03em;line-height:1.08}
.lead{font-size:1.18rem;color:var(--muted);max-width:64ch;margin-top:1.1rem;line-height:1.6}
.lead strong{color:var(--text);font-weight:600}

.glass{background:var(--glass);backdrop-filter:blur(22px) saturate(150%);-webkit-backdrop-filter:blur(22px) saturate(150%);
  border:1px solid var(--hair);border-radius:24px;box-shadow:0 1px 0 rgba(255,255,255,.07) inset,0 30px 60px -28px rgba(0,0,0,.7)}

/* por que importa — destaque com glow */
.spot{margin-top:1.6rem;padding:2.4rem;text-align:center;border-radius:28px;overflow:hidden;position:relative}
.spot::before{content:"";position:absolute;inset:0;background:radial-gradient(120% 100% at 50% 0,rgba(var(--accent-rgb),.18),transparent 60%);pointer-events:none}
.spot .num{font-family:var(--display);font-weight:800;font-size:clamp(3.4rem,11vw,5.5rem);letter-spacing:-.04em;line-height:1;
  background:linear-gradient(180deg,var(--text),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.spot p{color:var(--muted);max-width:60ch;margin:.4rem auto 0}.spot p+p{margin-top:.7rem}

/* grids */
.cards{display:grid;gap:1rem;margin-top:1.8rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
.card{padding:1.5rem}
.card .tag{font:600 .72rem var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:.6rem}
.card p{color:var(--muted);font-size:.97rem}
.card p b{color:var(--text);font-weight:600}

/* passos */
.steps{margin-top:1.8rem;padding:1.4rem 1.8rem}
.steps .vchk{font:500 .8rem var(--mono);color:var(--muted-2);padding:.4rem 0 1rem;border-bottom:1px solid var(--hair-2);margin-bottom:.6rem}
ol{list-style:none;counter-reset:s}
ol li{counter-increment:s;display:grid;grid-template-columns:auto 1fr;gap:1.1rem;padding:1.1rem 0;border-bottom:1px solid var(--hair-2);align-items:start}
ol li:last-child{border-bottom:none}
ol li::before{content:counter(s,decimal-leading-zero);font-family:var(--mono);font-weight:500;font-size:1rem;color:var(--accent);padding-top:.2rem;min-width:2.2ch}
ol b{font-family:var(--display);font-weight:600;font-size:1.05rem;display:block;margin-bottom:.2rem}
ol p{color:var(--muted);font-size:.97rem;margin:0}
.hint{display:inline-block;margin-top:.3rem;font:500 .82rem var(--mono);color:var(--muted-2)}

/* prompt */
.prompt{margin-top:1.6rem;padding:1.5rem;position:relative;background:rgba(255,255,255,.03)}
.prompt .lbl{font:600 .72rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:.8rem}
.prompt code{display:block;font-family:var(--mono);font-size:.96rem;line-height:1.6;color:var(--code);white-space:pre-wrap}
.copy{position:absolute;top:1.1rem;right:1.1rem;background:var(--glass-2);border:1px solid var(--hair);color:var(--text);border-radius:999px;font:600 .76rem var(--sans);padding:.4rem .85rem;cursor:pointer;backdrop-filter:blur(10px);transition:.15s}
.copy:hover{background:rgba(var(--accent-rgb),.18);border-color:rgba(var(--accent-rgb),.4)}
.copy.ok{background:var(--accent);color:#04130f;border-color:var(--accent)}
.after{color:var(--muted-2);font-size:.92rem;margin-top:.8rem}

/* dicas/erros */
.two{display:grid;gap:1rem;margin-top:1.8rem}
@media(min-width:680px){.two{grid-template-columns:1fr 1fr}}
.two h3{font-family:var(--display);font-weight:600;font-size:1.15rem;margin-bottom:1rem}
.ll{list-style:none;display:grid;gap:.8rem}
.ll li{display:grid;grid-template-columns:auto 1fr;gap:.6rem;font-size:.96rem;color:var(--muted);align-items:start}
.ll svg{flex:none;margin-top:3px}.ll b{color:var(--text);font-weight:600}

/* vídeo */
.video{margin-top:1.6rem;padding:1rem;display:grid;grid-template-columns:200px 1fr;gap:1.3rem;align-items:center}
@media(max-width:560px){.video{grid-template-columns:1fr}}
.vthumb{position:relative;border-radius:16px;overflow:hidden;aspect-ratio:16/9;background:#000}
.vthumb img{width:100%;height:100%;object-fit:cover}
.vthumb .play{position:absolute;inset:0;display:grid;place-items:center}
.vthumb .play span{width:54px;height:54px;border-radius:50%;background:rgba(var(--accent-rgb),.85);display:grid;place-items:center;box-shadow:0 0 30px rgba(var(--accent-rgb),.6)}
.vmeta .vc{font:600 .72rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}
.vmeta h3{font-family:var(--display);font-weight:600;font-size:1.3rem;line-height:1.2;margin:.3rem 0 .5rem}
.vmeta .go{font-weight:600;color:var(--accent)}
.vnote{font-size:.8rem;color:var(--muted-2);margin-top:.9rem;padding:0 .4rem}

/* desafio */
.chal{margin-top:1.6rem;padding:2.2rem;text-align:center}
.chal .k{font:600 .74rem var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.chal h2{margin:.7rem 0}
.chal p{color:var(--muted);max-width:56ch;margin:0 auto}.chal p+p{margin-top:.7rem}.chal b{color:var(--text)}

/* wa */
.wa{margin:3.5rem 0 0;padding:2.4rem;text-align:center;border-radius:28px;position:relative;overflow:hidden}
.wa::before{content:"";position:absolute;inset:0;background:radial-gradient(120% 120% at 50% 0,rgba(37,211,102,.14),transparent 60%)}
.wa p{font-family:var(--display);font-weight:600;font-size:1.4rem;position:relative}
.wa a{display:inline-flex;align-items:center;gap:.5rem;margin-top:1.2rem;background:#25D366;color:#04210f;font-weight:700;padding:.8rem 1.5rem;border-radius:999px;position:relative}

footer{text-align:center;padding:4rem 0 3.5rem;color:var(--muted-2)}
footer .fb{font-family:var(--display);font-weight:700;color:var(--text);font-size:1.1rem}
footer p{margin:.4rem 0;font-size:.88rem}
.pn{font:500 .74rem var(--mono);color:var(--muted-2);max-width:50ch;margin:1.2rem auto 0;border-top:1px solid var(--hair-2);padding-top:1.1rem}

@keyframes fade{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}
.fade{animation:fade .8s cubic-bezier(.2,.7,.2,1) both}.f2{animation-delay:.08s}.f3{animation-delay:.16s}.f4{animation-delay:.24s}
@media(prefers-reduced-motion:reduce){.fade{animation:none}}

.adslot{max-width:760px;margin:2.5rem auto 0;min-height:120px;border:1px dashed var(--hair);border-radius:16px;display:grid;place-items:center;color:var(--muted-2);font:600 .68rem var(--mono);letter-spacing:.12em;text-transform:uppercase;background:rgba(255,255,255,.02)}

.byline{display:inline-flex;align-items:center;gap:.6rem;margin-top:1.3rem;font-size:.86rem;color:var(--muted)}
.byline b{color:var(--text);font-weight:600}.byline:hover b{color:var(--accent)}
.byline .av{width:36px;height:36px;border-radius:50%;overflow:hidden;position:relative;border:1px solid var(--hair);flex:none;box-shadow:0 0 18px -4px rgba(var(--accent-rgb),.7)}
.byline .av img{width:100%;height:100%;object-fit:cover;object-position:50% 8%;display:block}

.langsw{display:flex;gap:.28rem;align-items:center}
.langsw a{width:22px;height:22px;border-radius:50%;overflow:hidden;display:block;opacity:.42;border:1px solid var(--hair);transition:.15s}
.langsw a:hover{opacity:.85}.langsw a.active{opacity:1;box-shadow:0 0 0 2px var(--accent)}
.langsw img{width:100%;height:100%;object-fit:cover;display:block}