/* Blog do Afina.ai: mesmo visual futurista da página de vendas, ajustado para leitura longa */
:root{
  --void:#05031a; --panel:rgba(14,10,46,.66); --fg:#f2f3ff; --dim:#aab1dc; --line:rgba(140,150,255,.2);
  --cyan:#3ee6ff; --violet:#8b5cff; --pink:#ff5fae; --gold:#ffc53d; --ok:#4ade80;
  --display:'Sora',system-ui,sans-serif; --body:'Nunito',system-ui,sans-serif; --hud:'Orbitron','Sora',system-ui,sans-serif;
  color-scheme:dark;
}
@property --a{syntax:'<angle>';inherits:false;initial-value:0deg}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:96px}
body{margin:0;background:var(--void);color:var(--fg);font:18px/1.7 var(--body);overflow-x:clip;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:var(--cyan)}
.wrap{max-width:1160px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
h1,h2,h3{font-family:var(--display);text-wrap:balance;letter-spacing:-.02em;line-height:1.15}
.k{display:inline-block;font:700 .66rem var(--hud);letter-spacing:.3em;text-transform:uppercase;color:var(--cyan)}
#sky{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.neb{position:fixed;inset:0;z-index:0;pointer-events:none;background:
  radial-gradient(60vmax 50vmax at 8% 0%,hsla(262,90%,60%,.28),transparent 60%),
  radial-gradient(55vmax 45vmax at 95% 35%,hsla(190,95%,55%,.14),transparent 60%),
  radial-gradient(60vmax 50vmax at 60% 110%,hsla(320,90%,60%,.14),transparent 60%)}
main,header,footer{position:relative;z-index:1}

/* Navegação */
.top{position:sticky;top:0;z-index:30;padding:12px 0}
.navbar{display:flex;align-items:center;gap:18px;padding:10px 12px 10px 16px;border-radius:20px;background:rgba(10,8,34,.7);border:1px solid var(--line);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.logo{display:flex;align-items:center;gap:8px;font:800 1.25rem var(--display);text-decoration:none;color:var(--fg)}
.logo b{color:var(--gold)}
.logo-s{font:700 .6rem var(--hud);letter-spacing:.25em;text-transform:uppercase;color:var(--dim);padding:3px 7px;border:1px solid var(--line);border-radius:6px;margin-left:4px}
.navlinks{display:flex;gap:22px;margin-left:auto;font-weight:700;font-size:.92rem}
.navlinks a{color:var(--dim);text-decoration:none}.navlinks a:hover{color:var(--cyan)}
@media (max-width:820px){.navlinks{display:none}.navbar .bt{margin-left:auto}}
@media (max-width:420px){.logo-s{display:none}.navbar .bt.sm{font-size:.8rem;padding:5px 5px 5px 12px}}

/* Botões (estilo 2: neon de vidro, igual ao app) */
.bt{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:14px;cursor:pointer;text-decoration:none;border:0;isolation:isolate;
  padding:10px 10px 10px 26px;border-radius:999px;background:rgba(14,10,46,.65);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  font:800 1.02rem var(--body);color:#fff;box-shadow:0 0 30px -6px rgba(139,92,255,.8),inset 0 0 20px rgba(139,92,255,.25);transition:transform .25s cubic-bezier(.2,.9,.3,1.3),background .25s}
.bt::before{content:"";position:absolute;inset:0;padding:2px;border-radius:inherit;pointer-events:none;-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask:linear-gradient(#000 0 0) content-box exclude,linear-gradient(#000 0 0);
  background:conic-gradient(from var(--a),var(--cyan),var(--violet),var(--pink),var(--gold),var(--cyan));animation:spin 4s linear infinite}
.bt:hover{background:linear-gradient(100deg,rgba(62,230,255,.25),rgba(139,92,255,.35),rgba(255,95,174,.3));transform:translateY(-1px)}
.bt .go{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--violet));flex:0 0 auto;transition:transform .3s}
.bt .go svg{width:18px;height:18px}
.bt:hover .go{transform:translateX(4px) rotate(-35deg)}
.bt.sm{font-size:.86rem;padding:6px 6px 6px 16px;gap:8px}.bt.sm .go{width:26px;height:26px}.bt.sm .go svg{width:14px;height:14px}
button.bt.sm{padding:9px 18px}
.bo{display:inline-flex;align-items:center;gap:10px;padding:14px 22px;border-radius:999px;text-decoration:none;cursor:pointer;font:800 1rem var(--body);color:#fff;background:rgba(255,255,255,.05);border:1.5px solid rgba(255,255,255,.35);transition:border-color .25s,background .25s}
.bo:hover{border-color:var(--cyan);background:rgba(62,230,255,.1)}
.bo .nt{color:var(--cyan)}
.bo.sm{padding:8px 16px;font-size:.86rem}
@keyframes spin{to{--a:360deg}}
@keyframes blink{50%{opacity:.35}}
@keyframes bob{50%{translate:0 -12px}}

/* Herói da home */
.hero{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:24px;min-height:min(640px,calc(100svh - 90px));padding-block:24px 48px}
.hero-tx{display:grid;gap:20px}
.live{justify-self:start;display:inline-flex;align-items:center;gap:10px;padding:6px 14px;border-radius:999px;border:1px solid rgba(62,230,255,.3);background:rgba(62,230,255,.06);font:700 .8rem var(--body);color:var(--dim)}
.live i{width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);animation:blink 1.6s infinite}
.hero h1{font-size:clamp(2.2rem,5.2vw,4rem);margin:0;font-weight:800}
.hero h1 em{font-style:normal;background:linear-gradient(90deg,var(--cyan),var(--violet),var(--pink));-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:1.15rem;color:var(--dim);margin:0;max-width:60ch}
.hero-bt{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-art{position:relative;display:grid;place-items:center}
.hero-art img{position:relative;width:min(380px,80%);animation:bob 5s ease-in-out infinite;filter:drop-shadow(0 30px 60px rgba(139,92,255,.5))}
.orb{position:absolute;width:min(420px,90%);aspect-ratio:1;border-radius:50%;background:radial-gradient(circle at 35% 30%,rgba(62,230,255,.35),rgba(139,92,255,.25) 45%,transparent 70%);border:1px solid var(--line)}
.meter{position:absolute;bottom:8%;right:4%;display:grid;gap:4px;padding:12px 16px;border-radius:16px;background:var(--panel);border:1px solid var(--line);backdrop-filter:blur(10px);font:700 .8rem var(--hud);text-align:center}
.meter span{font-size:1.4rem;color:var(--ok)}
.meter i{display:block;width:120px;height:6px;border-radius:3px;background:linear-gradient(90deg,var(--pink),var(--ok) 45% 55%,var(--pink));position:relative}
.meter i::after{content:"";position:absolute;top:-4px;left:calc(50% + var(--c)*1px);width:3px;height:14px;background:#fff;border-radius:2px}
.meter small{color:var(--dim);font-size:.65rem}
@media (max-width:860px){.hero{grid-template-columns:1fr;min-height:0;text-align:left}.hero-art{order:-1;max-width:300px;margin:0 auto}}

/* Blocos e cartões */
.block{padding-block:28px}
.sec-h{font-size:clamp(1.6rem,3.4vw,2.4rem);margin:0 0 16px}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:16px;margin-top:14px}
.card{display:grid;align-content:start;gap:8px;padding:22px;border-radius:20px;background:var(--panel);border:1px solid var(--line);text-decoration:none;color:var(--fg);transition:transform .25s,border-color .25s,box-shadow .25s}
.card:hover{transform:translateY(-3px);border-color:rgba(62,230,255,.5);box-shadow:0 18px 40px -18px rgba(62,230,255,.5)}
.card h3{margin:0;font-size:1.18rem}
.card p{margin:0;color:var(--dim);font-size:.95rem;line-height:1.55}
.card-k{font:700 .6rem var(--hud);letter-spacing:.24em;text-transform:uppercase;color:var(--violet)}
.card-m{font-size:.8rem;color:var(--dim);margin-top:4px}
.cards.big .card{padding:28px;background:linear-gradient(160deg,rgba(139,92,255,.22),rgba(14,10,46,.7))}
.cards.big .card h3{font-size:1.35rem}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips a{padding:8px 14px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--fg);text-decoration:none;font-weight:700;font-size:.9rem}
.chips a:hover{border-color:var(--cyan);color:var(--cyan)}
.topic{margin-top:30px}.topic h3{font-size:1.25rem;margin:0}
.toolband{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;padding:30px;border-radius:26px;
  background:linear-gradient(120deg,rgba(62,230,255,.14),rgba(139,92,255,.2) 50%,rgba(255,95,174,.14));border:1px solid rgba(62,230,255,.35)}
.toolband h2{margin:6px 0;font-size:clamp(1.4rem,3vw,2rem)}
.toolband p{margin:0;color:var(--dim);max-width:60ch}
.sponsor{display:flex;gap:14px;align-items:center;color:var(--dim);font-size:.95rem}
.sponsor p{margin:0}

/* Artigo */
.post{padding-block:12px 40px}
.post.narrow{max-width:820px}
.crumbs{font-size:.85rem;color:var(--dim);margin:8px 0 18px}
.crumbs a{color:var(--dim);text-decoration:none}.crumbs a:hover{color:var(--cyan)}
.post-h{display:grid;gap:12px;max-width:820px;margin-bottom:26px}
.post-h h1{font-size:clamp(2rem,4.6vw,3.2rem);margin:0}
.byline{font-size:.85rem;color:var(--dim);margin:0}
.post-grid{display:grid;grid-template-columns:240px minmax(0,1fr);gap:44px;align-items:start}
.toc{position:sticky;top:100px;font-size:.88rem}
.toc b{font:700 .62rem var(--hud);letter-spacing:.24em;text-transform:uppercase;color:var(--dim)}
.toc ol{list-style:none;padding:0;margin:10px 0 0;display:grid;gap:8px;border-left:1px solid var(--line)}
.toc a{display:block;padding-left:12px;color:var(--dim);text-decoration:none;line-height:1.4}
.toc a:hover,.toc a.on{color:var(--cyan);border-left:2px solid var(--cyan);margin-left:-1px}
@media (max-width:960px){.post-grid{grid-template-columns:1fr}.toc{display:none}}
.prose{max-width:720px}
.prose h2{font-size:1.65rem;margin:2.2em 0 .5em}
.prose h3{font-size:1.25rem;margin:1.8em 0 .4em}
.prose p,.prose li{color:#dde0f7}
.prose strong{color:#fff}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin:.35em 0}
.prose li::marker{color:var(--cyan)}
.prose blockquote{margin:1.5em 0;padding:14px 20px;border-left:3px solid var(--gold);background:rgba(255,197,61,.07);border-radius:0 14px 14px 0}
.prose blockquote p{margin:0;color:#fff}
.prose code{font-size:.9em;padding:2px 6px;border-radius:6px;background:rgba(255,255,255,.08)}
.tbl{overflow-x:auto;margin:1.4em 0;border:1px solid var(--line);border-radius:14px}
.tbl table{border-collapse:collapse;width:100%;font-size:.94rem}
.tbl th,.tbl td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.tbl th{background:rgba(139,92,255,.16);font-family:var(--display);font-size:.88rem}
.tbl tr:last-child td{border-bottom:0}
.note{font-size:.88rem;color:var(--dim);padding:12px 16px;border:1px dashed var(--line);border-radius:12px}
.teacher{font-size:.95rem;color:var(--dim);margin-top:2em}
.cta{display:flex;gap:18px;align-items:center;margin:2.2em 0;padding:22px;border-radius:22px;background:linear-gradient(140deg,rgba(139,92,255,.24),rgba(14,10,46,.8));border:1px solid rgba(139,92,255,.45)}
.cta img{width:96px;flex:0 0 auto}
.cta b{font-family:var(--display);font-size:1.12rem}
.cta p{margin:6px 0 14px;color:var(--dim);font-size:.96rem}
@media (max-width:560px){.cta{flex-direction:column;align-items:flex-start}.cta img{width:72px}}
.toolbox{display:grid;gap:6px;margin:2em 0;padding:20px 22px;border-radius:20px;border:1px solid rgba(62,230,255,.35);background:rgba(62,230,255,.07)}
.toolbox b{font-family:var(--display);font-size:1.1rem}
.toolbox p{margin:0 0 10px;color:var(--dim);font-size:.95rem}
.toolbox .bo{justify-self:start}
.faq details{border:1px solid var(--line);border-radius:14px;padding:4px 18px;margin:10px 0;background:rgba(255,255,255,.03)}
.faq summary{cursor:pointer;font-weight:800;padding:10px 0}
.faq details p{margin:0 0 12px;color:var(--dim)}
.related{margin-top:50px}
.related h2{font-size:1.5rem}

/* Teste de afinação */
.tool{display:grid;gap:18px;justify-items:center;text-align:center;margin:10px 0 30px;padding:30px 20px;border-radius:26px;background:var(--panel);border:1px solid var(--line)}
.tool .note-big{font:800 clamp(3rem,12vw,5.5rem)/1 var(--hud);color:var(--fg);min-height:1.1em}
.tool .note-big.ok{color:var(--ok);text-shadow:0 0 30px rgba(74,222,128,.6)}
.gauge{position:relative;width:min(420px,100%);height:18px;border-radius:9px;background:linear-gradient(90deg,var(--pink),#f7b24b 30%,var(--ok) 44% 56%,#f7b24b 70%,var(--pink))}
.gauge i{position:absolute;top:-8px;left:50%;width:4px;height:34px;border-radius:2px;background:#fff;box-shadow:0 0 12px #fff;transition:left .08s linear;translate:-50% 0}
.gauge-l{display:flex;justify-content:space-between;width:min(420px,100%);font-size:.8rem;color:var(--dim)}
.tool .cents{font:700 1.1rem var(--hud);color:var(--dim);min-height:1.4em}
.tool .msg{max-width:46ch;color:var(--dim);margin:0;min-height:3em}
.tool .row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.tool select{font:700 1rem var(--body);padding:10px 14px;border-radius:12px;background:#120d3a;color:#fff;border:1px solid var(--line)}
.result{display:none;gap:10px;justify-items:center;padding:20px;border-radius:20px;border:1px solid rgba(74,222,128,.4);background:rgba(74,222,128,.07);width:min(520px,100%)}
.result.on{display:grid}
.result .score{font:800 3rem var(--hud);color:var(--ok)}

/* Rodapé e cookies */
.foot{margin-top:40px;padding:40px 0 calc(30px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);background:rgba(5,3,26,.85)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.foot-grid > div{display:grid;align-content:start;gap:8px;font-size:.92rem}
.foot-grid p{color:var(--dim);margin:6px 0 0}
.foot-grid a,.linkbtn{color:var(--dim);text-decoration:none;background:none;border:0;padding:0;font:inherit;text-align:left;cursor:pointer}
.foot-grid a:hover,.linkbtn:hover{color:var(--cyan)}
.foot-s{font-size:.8rem;color:var(--dim);margin-top:26px}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr}}
.cookie{position:fixed;z-index:50;left:max(12px,env(safe-area-inset-left,0px));right:max(12px,env(safe-area-inset-right,0px));bottom:calc(12px + env(safe-area-inset-bottom,0px));max-width:720px;margin:0 auto;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:14px 16px;border-radius:18px;background:rgba(10,8,34,.96);border:1px solid var(--line);box-shadow:0 20px 50px rgba(0,0,0,.6);font-size:.9rem}
.cookie[hidden]{display:none}
.cookie p{margin:0;flex:1 1 300px;color:var(--dim)}
.cookie div{display:flex;gap:8px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}