/* blog.css — estilos compartilhados do cluster NEXO (mesma identidade do site e da calculadora) */
:root{
  --brand:        #00594e;
  --brand-dark:   #004038;
  --brand-light:  #007566;
  --brand-cream:  #f2f2f0;

  --brand-soft:   rgba(0, 89, 78, 0.08);
  --brand-border: rgba(0, 89, 78, 0.18);
  --brand-faded:  rgba(0, 89, 78, 0.04);

  --ink-2: rgba(0, 64, 56, 0.62);
  --ink-3: rgba(0, 64, 56, 0.42);
  --line:  rgba(0, 64, 56, 0.10);
  --line-2:rgba(0, 64, 56, 0.20);

  --shadow-sm: 0 1px 2px rgba(0, 64, 56, 0.05);
  --shadow-md: 0 6px 18px rgba(0, 64, 56, 0.08), 0 2px 4px rgba(0, 64, 56, 0.04);
  --shadow-brand: 0 8px 22px rgba(0, 89, 78, 0.22);
  --shadow-brand-hover: 0 12px 28px rgba(0, 89, 78, 0.32);

  --display:'Poppins',sans-serif;
  --sans:'DM Sans',system-ui,-apple-system,sans-serif;
  --r:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  font-family:var(--sans);color:var(--brand-dark);background:var(--brand-cream);
  line-height:1.65;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
}
.wrap{max-width:680px;margin:0 auto;padding:0 20px}

a:focus-visible, button:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(0, 89, 78, 0.22);border-radius:4px;
}

/* ---------- header ---------- */
header{display:flex;align-items:center;gap:10px;padding:30px 0 6px}
.brand{text-decoration:none;display:flex;align-items:center;gap:10px}
.brand .mark{font-family:var(--display);font-weight:800;font-size:18px;letter-spacing:.02em;color:var(--brand-dark);text-transform:uppercase}
.brand .mark b{color:var(--brand)}
.tag{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.14em;color:var(--ink-3);border-left:1px solid var(--line-2);padding-left:10px}

/* ---------- breadcrumb ---------- */
.crumb{font-size:12.5px;color:var(--ink-3);padding:16px 0 8px}
.crumb a{color:var(--ink-2);text-decoration:none}
.crumb a:hover{color:var(--brand)}
.crumb .sep{margin:0 7px;color:var(--line-2)}

article{padding:14px 0 8px}

/* ---------- eyebrow (régua + label, padrão do site) ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;
  font-size:11px;font-weight:800;letter-spacing:.2em;text-transform:uppercase;color:var(--brand);
}
.eyebrow::before{content:'';display:inline-block;width:30px;height:2px;background:var(--brand);border-radius:2px}

h1{
  font-family:var(--display);font-weight:800;color:var(--brand-dark);
  font-size:clamp(28px,7vw,40px);line-height:1.12;letter-spacing:-.01em;margin-bottom:16px;
}
h1 em{font-style:italic;font-weight:400;color:var(--brand)}
h2{
  font-family:var(--display);font-weight:700;color:var(--brand-dark);
  font-size:clamp(21px,5vw,26px);letter-spacing:-.01em;margin:34px 0 12px;
}
.lead{font-size:18px;color:var(--ink-2);margin-bottom:8px}
p{margin-bottom:14px;color:var(--ink-2)}
article strong{color:var(--brand-dark);font-weight:700}
article ul{list-style:none;margin:0 0 18px;padding:0}
article ul li{position:relative;padding:0 0 0 22px;margin-bottom:10px;color:var(--ink-2)}
article ul li::before{content:'';position:absolute;left:2px;top:11px;width:7px;height:7px;border-radius:50%;background:var(--brand);opacity:.55}
article ul li strong{color:var(--brand-dark)}
.todo{
  color:var(--ink-3);font-style:italic;font-size:14px;background:var(--brand-faded);
  border:1px dashed var(--brand-border);border-radius:var(--r);padding:10px 12px;display:block;
}

/* ---------- CTAs (card premium) ---------- */
.cta{
  background:#fff;border:1px solid rgba(0,64,56,.08);border-radius:var(--r);padding:24px;margin:30px 0;
  box-shadow:var(--shadow-sm);transition:box-shadow .28s ease, border-color .28s ease;
}
.cta-calc{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;border-left:3px solid var(--brand)}
.cta-k{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--brand);font-weight:800;margin:0 0 4px}
.cta-t{font-family:var(--display);font-size:19px;font-weight:700;color:var(--brand-dark);margin:0}
.cta-wa{text-align:center}
.cta-wa .cta-t{margin-bottom:14px}
.cta-wa-primary{background:var(--brand-faded);border-color:var(--brand-border)}

/* ---------- botões (gradiente + glow, igual ao site) ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--sans);
  font-size:15px;font-weight:700;color:#fff;text-decoration:none;border:none;border-radius:12px;
  padding:14px 22px;cursor:pointer;white-space:nowrap;
  background:linear-gradient(135deg,var(--brand) 0%,var(--brand-dark) 100%);box-shadow:var(--shadow-brand);
  transition:transform .2s cubic-bezier(.16,1,.3,1), box-shadow .2s ease, background .3s ease;
}
.btn:hover{background:linear-gradient(135deg,var(--brand-light) 0%,var(--brand) 100%);box-shadow:var(--shadow-brand-hover);transform:translateY(-1px)}
.btn:active{transform:translateY(0);box-shadow:var(--shadow-brand)}
.btn-wa{background:linear-gradient(135deg,#25d366 0%,#1da851 100%);box-shadow:0 8px 22px rgba(37,211,102,.32), 0 2px 6px rgba(37,211,102,.20)}
.btn-wa:hover{background:linear-gradient(135deg,#25d366 0%,#1da851 100%);box-shadow:0 14px 32px rgba(37,211,102,.42), 0 4px 10px rgba(37,211,102,.25)}

/* ---------- FAQ ---------- */
.faq{margin-top:36px}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{font-family:var(--sans);font-weight:700;font-size:16px;color:var(--brand-dark);cursor:pointer;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:'+';color:var(--brand);font-weight:800;margin-right:10px}
.faq details[open] summary::before{content:'–'}
.faq .todo{margin-top:10px}

/* ---------- leia também ---------- */
.leia-tambem{margin-top:40px;border-top:1px solid var(--line);padding-top:22px}
.leia-tambem ul{list-style:none}
.leia-tambem li{padding:9px 0;border-bottom:1px solid var(--line)}
.leia-tambem a{color:var(--brand-dark);text-decoration:none;font-weight:700;font-size:15.5px}
.leia-tambem a:hover{color:var(--brand);text-decoration:underline}

.leia-tambem li.destaque{
  background:var(--brand-faded);border:1px solid var(--brand-border);border-radius:var(--r);
  padding:12px 14px;margin:6px 0;border-bottom:1px solid var(--brand-border);
}
.leia-tambem li.destaque a{color:var(--brand-dark)}
.leia-tambem .badge{
  display:inline-block;font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;
  color:#fff;background:var(--brand);border-radius:20px;padding:3px 9px;margin-left:8px;vertical-align:middle;
}

footer{padding:34px 0 46px;text-align:center}
footer p{font-size:12.5px;color:var(--ink-3);line-height:1.6}
footer b{color:var(--ink-2)}

/* ---------- WhatsApp flutuante (fixo, todas as páginas de artigo) ---------- */
.wa-fixed{
  position:fixed;right:18px;bottom:18px;z-index:40;
  display:flex;align-items:center;justify-content:center;
  width:56px;height:56px;border-radius:50%;
  background:linear-gradient(135deg,#25d366 0%,#1da851 100%);
  box-shadow:0 8px 22px rgba(37,211,102,.38), 0 2px 6px rgba(37,211,102,.22);
  transition:transform .2s cubic-bezier(.16,1,.3,1), box-shadow .2s ease;
}
.wa-fixed:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(37,211,102,.46), 0 4px 10px rgba(37,211,102,.25)}
.wa-fixed svg{width:28px;height:28px;fill:#fff}
@media (max-width:480px){
  .wa-fixed{width:50px;height:50px;right:14px;bottom:14px}
  .wa-fixed svg{width:25px;height:25px}
}

/* ---------- intro com foto (páginas de conversão) ---------- */
.intro-foto{
  display:flex;align-items:center;gap:16px;margin:6px 0 26px;padding:16px 18px;
  background:#fff;border:1px solid rgba(0,64,56,.08);border-radius:var(--r);box-shadow:var(--shadow-sm);
}
.intro-foto img{width:64px;height:64px;border-radius:50%;object-fit:cover;flex-shrink:0;border:2px solid var(--brand-soft)}
.intro-foto p{margin:0;font-size:14px;color:var(--ink-2);line-height:1.5}
.intro-foto strong{color:var(--brand-dark)}

/* ---------- como funciona (passos numerados) ---------- */
.steps{margin:20px 0 0;counter-reset:step}
.steps li{list-style:none;counter-increment:step;position:relative;padding:0 0 24px 46px}
.steps li:last-child{padding-bottom:0}
.steps li::before{
  content:counter(step);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;
  background:var(--brand);color:#fff;font-family:var(--display);font-weight:800;font-size:14px;
  display:flex;align-items:center;justify-content:center;
}
.steps li:not(:last-child)::after{content:'';position:absolute;left:14px;top:30px;bottom:0;width:2px;background:var(--line-2)}
.steps h3{font-family:var(--display);font-size:16px;font-weight:700;color:var(--brand-dark);margin:0 0 4px}
.steps p{margin:0;font-size:14.5px;color:var(--ink-2)}

/* ---------- prova social ---------- */
.proof{margin:32px 0}
.proof-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin-top:14px}
.proof-grid figure{margin:0}
.proof-grid img{width:100%;display:block;border-radius:var(--r);box-shadow:var(--shadow-sm);border:1px solid rgba(0,64,56,.08)}
.proof-grid figcaption{font-size:12px;color:var(--ink-3);text-align:center;margin-top:6px}
.proof-evo{margin-top:18px;text-align:center}
.proof-evo img{max-width:280px;width:100%;border-radius:var(--r);box-shadow:var(--shadow-sm);border:1px solid rgba(0,64,56,.08)}
.proof-evo figcaption{font-size:12px;color:var(--ink-3);margin-top:6px}