/* ============================================================
   Petina — Conteúdo (conteudo.petina.com.br)
   Design system: BRANDBOOK - Propostas Comerciais Petina
   ============================================================ */
:root{
  --bg-deep:#1A0E2E; --bg-darker:#120822; --bg-card:#221140; --bg-elevated:#2A1850;
  --green-primary:#19E69A; --green-mint:#A8F5D2; --teal-cta:#4DD9DF;
  --blue-mid:#1E4FA8; --purple-deep:#0F4F8C;
  --white:#FFFFFF; --off-white:#E8E8E8; --gray-300:#B8B8C8; --gray-500:#6B6B85;
  --accent-warning:#FFD700;
  --font-display:'Poppins',system-ui,-apple-system,sans-serif;
  --font-body:'Inter','Poppins',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,monospace;
  --gap-xs:.5rem; --gap-sm:1rem; --gap-md:1.5rem; --gap-lg:2.5rem; --gap-xl:4rem;
  --radius-sm:8px; --radius-md:14px; --radius-lg:24px; --radius-pill:999px;
  --grad-signature:linear-gradient(135deg,#1A0E2E 0%,#1E4FA8 50%,#19E69A 100%);
  --grad-cta:linear-gradient(90deg,#FFFFFF 0%,#4DD9DF 60%,#19E69A 100%);
  --maxw:760px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-deep);color:var(--off-white);
  font-family:var(--font-body);font-size:1.0625rem;line-height:1.75;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--teal-cta);text-decoration:none}
a:hover{text-decoration:underline}

/* --- barra de progresso de leitura --- */
.progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:99;
  background:var(--grad-cta);transition:width .1s linear}

/* --- topo --- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(18,8,34,.82);
  backdrop-filter:blur(14px);border-bottom:1px solid rgba(255,255,255,.07)}
.topbar-in{max-width:var(--maxw);margin:0 auto;padding:.85rem 1.5rem;
  display:flex;align-items:center;justify-content:space-between;gap:1rem}
.topbar img{height:26px;width:auto}
.topbar .tb-link{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--gray-300)}
.topbar .tb-link:hover{color:var(--green-primary);text-decoration:none}

/* --- wrapper --- */
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.5rem}

/* --- hero --- */
.hero{position:relative;padding:clamp(3rem,9vw,5.5rem) 0 clamp(2rem,5vw,3rem);overflow:hidden}
.hero::before{content:"";position:absolute;inset:-40% -30% auto -30%;height:120%;
  background:radial-gradient(ellipse at 50% 0%,rgba(25,230,154,.16) 0%,rgba(30,79,168,.12) 38%,transparent 68%);
  pointer-events:none}
.hero > *{position:relative}
.kicker{font-family:var(--font-mono);font-size:.72rem;letter-spacing:.2em;
  text-transform:uppercase;color:var(--green-primary);margin:0 0 1.1rem}
h1{font-family:var(--font-display);font-weight:700;
  font-size:clamp(2rem,6.2vw,3.25rem);line-height:1.08;letter-spacing:-.02em;
  color:var(--white);margin:0 0 1.25rem}
h1 em{font-style:italic;color:var(--green-primary)}
.dek{font-size:clamp(1.05rem,2.4vw,1.28rem);line-height:1.6;color:var(--gray-300);
  margin:0 0 1.75rem;max-width:62ch}
.byline{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem 1rem;
  font-family:var(--font-mono);font-size:.72rem;letter-spacing:.08em;
  text-transform:uppercase;color:var(--gray-500);
  padding-top:1.25rem;border-top:1px solid rgba(255,255,255,.08)}
.byline .dot{color:var(--gray-500);opacity:.5}

/* --- corpo do artigo --- */
/* h2/h3 globais — o bloco .cta aparece dentro e fora de <article> */
h2{font-family:var(--font-display);font-weight:700;
  font-size:clamp(1.45rem,4vw,1.95rem);line-height:1.2;letter-spacing:-.015em;
  color:var(--white);margin:0 0 1rem}
h2 em{font-style:italic;color:var(--green-primary)}
h3{font-family:var(--font-display);font-weight:600;font-size:1.08rem;
  color:var(--white);margin:0 0 .5rem;line-height:1.35}

article{padding:1rem 0 var(--gap-xl)}
article h2{margin:3.25rem 0 1rem}
article h3{margin:2rem 0 .5rem}
article p{margin:0 0 1.15rem}
article strong{color:var(--white);font-weight:600}

/* --- lead (primeiro parágrafo) --- */
.lead{font-size:1.15rem;color:var(--off-white)}

/* --- callout --- */
.callout{border-left:3px solid var(--green-primary);background:rgba(25,230,154,.06);
  border-radius:0 var(--radius-md) var(--radius-md) 0;
  padding:1.15rem 1.35rem;margin:2rem 0;font-size:1.02rem;color:var(--off-white)}
.callout.warn{border-left-color:var(--accent-warning);background:rgba(255,215,0,.06)}
.callout p:last-child{margin-bottom:0}

/* --- camadas --- */
.layers{display:grid;gap:.85rem;margin:1.75rem 0 2rem}
.layer{background:var(--bg-card);border:1px solid rgba(255,255,255,.07);
  border-radius:var(--radius-md);padding:1.25rem 1.35rem;
  display:grid;grid-template-columns:auto 1fr;gap:0 1.1rem;align-items:start}
.layer .n{font-family:var(--font-mono);font-size:.78rem;font-weight:700;
  width:2rem;height:2rem;display:grid;place-items:center;border-radius:var(--radius-pill);
  background:rgba(25,230,154,.13);color:var(--green-primary);grid-row:span 2}
.layer h3{margin:.2rem 0 .35rem;font-size:1.02rem}
.layer p{margin:0;font-size:.98rem;color:var(--gray-300);line-height:1.6}
.layer .gain{display:inline-block;margin-top:.6rem;font-family:var(--font-mono);
  font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--teal-cta);border:1px solid rgba(77,217,223,.28);
  border-radius:var(--radius-pill);padding:.22rem .7rem}

/* --- lista de mecanismos --- */
.mechs{list-style:none;margin:1.5rem 0 2rem;padding:0;counter-reset:m}
.mechs > li{counter-increment:m;position:relative;padding:1.4rem 0;
  border-top:1px solid rgba(255,255,255,.08)}
.mechs > li:last-child{border-bottom:1px solid rgba(255,255,255,.08)}
.mechs > li::before{content:counter(m,decimal-leading-zero);
  font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;
  color:var(--green-primary);display:block;margin-bottom:.45rem}
.mechs h3{margin:0 0 .45rem}
.mechs p{margin:0 0 .6rem;color:var(--gray-300);font-size:1rem}
.mechs p:last-child{margin-bottom:0}
.mechs .trap{font-size:.93rem;color:var(--gray-300);
  background:rgba(255,255,255,.035);border-radius:var(--radius-sm);
  padding:.7rem .9rem;margin-top:.7rem;border:1px solid rgba(255,255,255,.06)}
.mechs .trap b{color:var(--accent-warning);font-family:var(--font-mono);
  font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;
  display:block;margin-bottom:.25rem;font-weight:700}

/* --- listas com marcador --- */
.ticks{list-style:none;padding:0;margin:1.25rem 0 2rem;display:grid;gap:.85rem}
.ticks li{position:relative;padding-left:1.75rem;color:var(--gray-300)}
.ticks li::before{content:"";position:absolute;left:0;top:.62em;width:.5rem;height:.5rem;
  border-radius:50%;background:var(--green-primary)}
.ticks.x li::before{background:none;color:#ff6b6b;content:"\00d7";
  top:-.05em;left:.15rem;font-size:1.35rem;line-height:1;width:auto;height:auto}
.ticks li b{color:var(--white);font-weight:600}

/* --- passos --- */
.steps{counter-reset:s;list-style:none;padding:0;margin:1.5rem 0 2rem;display:grid;gap:1rem}
.steps li{counter-increment:s;display:grid;grid-template-columns:2.1rem 1fr;gap:.15rem 1rem;
  align-items:start;background:rgba(255,255,255,.03);
  border:1px solid rgba(255,255,255,.07);border-radius:var(--radius-md);padding:1.1rem 1.25rem}
/* as 3 celulas sao explicitas: sem isso o <span> cai na coluna do numero e
   espreme o <b> num filete vertical. */
.steps li::before{content:counter(s);font-family:var(--font-display);font-weight:700;
  font-size:1.05rem;width:2.1rem;height:2.1rem;display:grid;place-items:center;
  border-radius:var(--radius-pill);background:var(--grad-signature);color:var(--white);
  grid-column:1;grid-row:1 / span 2}
.steps li > b{grid-column:2;grid-row:1}
.steps li > span{grid-column:2;grid-row:2}
.steps b{display:block;color:var(--white);font-family:var(--font-display);
  font-weight:600;margin-bottom:.25rem}
.steps span{color:var(--gray-300);font-size:.98rem}

/* --- CTA --- */
.cta{position:relative;overflow:hidden;margin:var(--gap-xl) 0 var(--gap-lg);
  background:var(--bg-card);border:1px solid rgba(25,230,154,.22);
  border-radius:var(--radius-lg);padding:clamp(1.75rem,5vw,2.75rem)}
.cta::after{content:"";position:absolute;right:-25%;bottom:-70%;width:70%;height:180%;
  background:radial-gradient(circle,rgba(25,230,154,.22) 0%,rgba(30,79,168,.1) 42%,transparent 68%);
  pointer-events:none}
.cta > *{position:relative}
.cta h2{margin:0 0 .75rem;font-size:clamp(1.4rem,4vw,1.85rem)}
.cta p{color:var(--gray-300);margin:0 0 1.5rem;max-width:52ch}
.btn{display:inline-flex;align-items:center;gap:.6rem;
  background:var(--grad-cta);color:#12211A;font-family:var(--font-display);
  font-weight:700;font-size:1rem;padding:.9rem 1.6rem;border-radius:var(--radius-pill);
  transition:transform .18s ease,box-shadow .18s ease}
.btn:hover{transform:translateY(-2px);text-decoration:none;
  box-shadow:0 10px 30px rgba(25,230,154,.25)}
.btn-ghost{display:inline-flex;align-items:center;gap:.5rem;margin-left:1rem;
  color:var(--gray-300);font-size:.95rem}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 0}

/* --- credenciais --- */
.creds{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));
  gap:1px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-md);overflow:hidden;margin:2rem 0 0}
.creds div{background:var(--bg-deep);padding:1.1rem .85rem;text-align:center}
.creds .v{font-family:var(--font-display);font-weight:700;font-size:1.35rem;
  color:var(--green-primary);line-height:1.1;display:block}
.creds .l{font-family:var(--font-mono);font-size:.62rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--gray-500);margin-top:.35rem;display:block}

/* --- rodapé --- */
.tagline{font-family:var(--font-display);font-weight:600;font-size:1.05rem;
  color:var(--white);text-align:center;margin:var(--gap-lg) auto;max-width:34ch;line-height:1.45}
footer{border-top:1px solid rgba(255,255,255,.07);padding:2rem 0 3rem;
  color:var(--gray-500);font-size:.85rem;text-align:center}
footer a{color:var(--gray-300)}
footer img{height:22px;margin:0 auto 1rem;opacity:.75}

/* --- hub (índice) --- */
.hub-list{list-style:none;padding:0;margin:2rem 0 0;display:grid;gap:1rem}
.hub-list a{display:block;background:var(--bg-card);
  border:1px solid rgba(255,255,255,.07);border-radius:var(--radius-md);
  padding:1.4rem 1.5rem;transition:border-color .18s ease,transform .18s ease}
.hub-list a:hover{border-color:rgba(25,230,154,.4);transform:translateY(-2px);text-decoration:none}
.hub-list .tag{font-family:var(--font-mono);font-size:.66rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--green-primary);display:block;margin-bottom:.5rem}
.hub-list h2{font-family:var(--font-display);font-weight:600;font-size:1.2rem;
  color:var(--white);margin:0 0 .4rem;line-height:1.3}
.hub-list p{color:var(--gray-300);margin:0;font-size:.97rem;line-height:1.6}

@media (max-width:640px){
  body{font-size:1rem}
  .layer{grid-template-columns:1fr}
  .layer .n{grid-row:auto;margin-bottom:.5rem}
  .btn-ghost{margin-left:0;width:100%}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none!important}
}

/* ============================================================
   Blocos de conteudo "passo a passo" (prints + prompt copiavel)
   ============================================================ */

/* --- figuras (print de tela) --- */
article figure{margin:1.75rem 0 2.25rem;background:var(--bg-card);
  border:1px solid rgba(255,255,255,.07);border-radius:var(--radius-md);padding:.6rem}
article figure img{width:100%;border-radius:calc(var(--radius-md) - 6px);background:#fff}
article figcaption{font-family:var(--font-mono);font-size:.7rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--gray-500);line-height:1.5;
  padding:.85rem .75rem .35rem}
/* print em pe nao pode ocupar a coluna inteira */
article figure.retrato img{max-width:24rem;margin:0 auto}

/* --- bloco de prompt copiavel --- */
.prompt-head{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem 1rem;margin:2.25rem 0 .9rem}
.prompt-head h3{margin:0;flex:1 1 12rem}
.copy{display:inline-flex;align-items:center;gap:.5rem;cursor:pointer;
  font-family:var(--font-display);font-weight:700;font-size:.85rem;color:#12211A;
  background:var(--grad-cta);border:0;border-radius:var(--radius-pill);padding:.62rem 1.2rem;
  transition:transform .18s ease,box-shadow .18s ease}
.copy:hover{transform:translateY(-1px);box-shadow:0 8px 22px rgba(25,230,154,.22)}
.copy:focus-visible{outline:2px solid var(--green-primary);outline-offset:3px}
.copy.done{background:none;color:var(--green-primary);
  box-shadow:inset 0 0 0 1px rgba(25,230,154,.55)}
.prompt{margin:0;background:var(--bg-darker);border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-md);padding:1.4rem 1.5rem;max-height:30rem;overflow:auto;
  font-family:var(--font-mono);font-size:.82rem;line-height:1.7;color:var(--gray-300);
  white-space:pre-wrap;word-break:break-word}
.prompt b{color:var(--green-primary);font-weight:700}
.prompt-nota{font-family:var(--font-mono);font-size:.68rem;letter-spacing:.1em;
  text-transform:uppercase;color:var(--gray-500);margin:.8rem 0 0}

@media (max-width:640px){
  .prompt{padding:1.1rem 1.15rem;font-size:.78rem;max-height:24rem}
  .copy{width:100%;justify-content:center}
}

/* --- assinatura do autor (fecha toda pagina do dominio) --- */
.autor{display:flex;align-items:center;gap:1.1rem;
  margin:var(--gap-lg) 0 var(--gap-xl);padding-top:1.9rem;
  border-top:1px solid rgba(255,255,255,.08)}
.autor img{width:68px;height:68px;flex:none;border-radius:50%;object-fit:cover;
  border:2px solid rgba(25,230,154,.45);box-shadow:0 0 0 5px rgba(25,230,154,.07)}
.autor .nome{display:block;font-family:var(--font-display);font-weight:700;
  font-size:1.08rem;color:var(--white);line-height:1.3}
.autor .cargo{display:block;font-size:.94rem;color:var(--gray-300);line-height:1.5;
  margin-top:.15rem}
@media (max-width:640px){
  .autor{gap:.9rem}
  .autor img{width:58px;height:58px}
}