/* ============================================================
   CIBRAND · Blog — folha de estilo compartilhada
   Usada por blog/index.html e por todos os posts (blog/<slug>.html).
   Ao ser um arquivo externo, o navegador baixa e guarda em cache
   UMA vez só — os posts seguintes não repetem esse peso.
   Paleta e tokens idênticos aos do site principal (index.html):
   fundo #0a0612 · roxos #7437BC / #b487f5 / #4a1d80 · Inter 300-900
   ============================================================ */

:root{
  --bg:#0a0612;
  --bg-2:#100a1c;
  --bg-3:#160e26;
  --primary:#7437BC;
  --accent:#b487f5;
  --deep:#4a1d80;
  --text:#f3eefb;
  --muted:#a79ac6;
  --dim:#6f6390;
  --card:rgba(180,135,245,.05);
  --card-hover:rgba(180,135,245,.09);
  --line:rgba(180,135,245,.16);
  --line-strong:rgba(180,135,245,.32);
  --glow:rgba(116,55,188,.35);
  --radius:22px;
  --radius-sm:14px;
  --nav-h:76px;
  --ease:cubic-bezier(.22,1,.36,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;
  font-weight:400;
  line-height:1.6;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
::selection{background:var(--primary);color:#fff}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
input{font-family:inherit}
main,footer{overflow-x:clip}

a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;
}

/* ==================== UTILIDADES ==================== */
.wrap{max-width:1240px;margin:0 auto;padding:0 clamp(20px,4vw,48px)}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:11px;font-weight:700;letter-spacing:.32em;text-transform:uppercase;
  color:var(--accent);margin-bottom:22px;
}
.eyebrow::before{content:'';width:26px;height:1px;background:var(--accent);opacity:.7}
.h-display{font-weight:900;letter-spacing:-.035em;line-height:1.05;font-size:clamp(2.1rem,4.6vw,3.6rem)}
.h-section{font-weight:900;letter-spacing:-.03em;line-height:1.1;font-size:clamp(1.7rem,3.4vw,2.6rem)}
.grad-text{
  background:linear-gradient(100deg,var(--accent) 0%,var(--primary) 90%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{color:var(--muted);font-size:clamp(1.02rem,1.4vw,1.2rem);line-height:1.7;font-weight:400}

/* ==================== NAVBAR (idêntica ao site principal) ==================== */
.nav{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--nav-h);display:flex;align-items:center;transition:background .4s ease,border-color .4s ease,height .4s ease;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(10,6,18,.82);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom-color:var(--line);height:64px}
.nav-inner{width:100%;max-width:1240px;margin:0 auto;padding:0 clamp(20px,4vw,48px);display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.14em;font-size:15px}
.brand-mark{width:38px;height:38px;border-radius:10px;flex:0 0 auto;box-shadow:0 4px 18px var(--glow)}
.nav-links{display:flex;align-items:center;gap:clamp(14px,2.4vw,34px)}
.nav-links a.link{font-size:13.5px;font-weight:600;letter-spacing:.04em;color:var(--muted);position:relative;padding:6px 0;transition:color .25s}
.nav-links a.link.is-active,.nav-links a.link:hover{color:var(--text)}
.nav-links a.link::after{content:'';position:absolute;left:0;bottom:0;height:1.5px;width:100%;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav-links a.link.is-active::after,.nav-links a.link:hover::after{transform:scaleX(1)}
.btn-wa{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;letter-spacing:.03em;color:#fff;background:linear-gradient(120deg,var(--primary),var(--deep));border:1px solid var(--line-strong);border-radius:100px;padding:11px 20px;transition:transform .25s var(--ease),box-shadow .25s;box-shadow:0 4px 22px rgba(116,55,188,.28)}
.btn-wa:hover{transform:translateY(-2px)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:10px;width:44px;height:44px;color:var(--text);align-items:center;justify-content:center}
@media (max-width:900px){
  .nav-links{position:fixed;inset:var(--nav-h) 0 auto 0;flex-direction:column;align-items:stretch;gap:0;background:rgba(10,6,18,.97);backdrop-filter:blur(20px);border-bottom:1px solid var(--line);padding:12px 24px 26px;transform:translateY(-130%);transition:transform .45s var(--ease)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a.link{padding:15px 4px;font-size:16px;border-bottom:1px solid rgba(180,135,245,.08)}
  .btn-wa{justify-content:center;margin-top:16px}
  .nav-toggle{display:inline-flex}
}

/* ==================== BOTÕES ==================== */
.btn{display:inline-flex;align-items:center;gap:12px;position:relative;overflow:hidden;font-weight:800;font-size:15px;letter-spacing:.02em;color:#fff;background:linear-gradient(120deg,var(--primary) 0%,var(--deep) 100%);border:none;border-radius:100px;padding:18px 34px;transition:transform .3s var(--ease),box-shadow .3s;box-shadow:0 10px 34px rgba(116,55,188,.35)}
.btn:hover{transform:translateY(-3px);box-shadow:0 16px 44px rgba(116,55,188,.45)}
.btn .arr{transition:transform .3s var(--ease)}
.btn:hover .arr{transform:translateX(4px)}
.btn-ghost{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:14px;color:var(--accent);background:transparent;border:1px solid var(--line-strong);border-radius:100px;padding:16px 28px;transition:background .3s,border-color .3s,transform .3s var(--ease)}
.btn-ghost:hover{background:var(--card-hover);border-color:var(--accent);transform:translateY(-2px)}
.back-link{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13.5px;font-weight:600;transition:color .25s;margin-bottom:22px}
.back-link:hover{color:var(--accent)}
.back-link svg{width:15px;height:15px}

/* ==================== HERO DO BLOG / LISTAGEM ==================== */
.blog-hero{padding:calc(var(--nav-h) + 64px) 0 60px;border-bottom:1px solid var(--line)}

/* ==================== GRID DE POSTS ==================== */
.post-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(310px,380px));justify-content:start;gap:28px;padding:60px 0 90px}
.empty-state{grid-column:1/-1;color:var(--muted);font-size:15px;padding:20px 0 40px}
.post-card{display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--card);transition:transform .3s var(--ease),border-color .3s,background .3s}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);background:var(--card-hover)}
.post-cover{height:170px;background:linear-gradient(135deg,var(--deep) 0%,var(--primary) 55%,var(--accent) 130%);position:relative}
.post-cover::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 25% 20%,rgba(255,255,255,.18),transparent 55%)}
.post-cat{position:absolute;left:16px;bottom:14px;font-size:10.5px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:#fff;background:rgba(10,6,18,.35);border:1px solid rgba(255,255,255,.35);border-radius:100px;padding:6px 13px}
.post-card-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card-body h3{font-size:1.18rem;font-weight:800;letter-spacing:-.01em;line-height:1.32}
.post-card-body p{color:var(--muted);font-size:14px;line-height:1.6;flex:1}
.post-meta{display:flex;gap:14px;font-size:12px;color:var(--dim);letter-spacing:.02em}
.post-card-link{margin-top:6px;font-size:13.5px;font-weight:700;color:var(--accent);display:inline-flex;align-items:center;gap:8px}

/* ==================== ARTIGO ==================== */
.article-head{padding:calc(var(--nav-h) + 50px) 0 8px}

/* Shell largo do artigo: coluna de leitura + coluna lateral fixa (sticky).
   Mesma estrutura de grid é usada no cabeçalho (só 1 coluna preenchida,
   a 2ª fica vazia) e no corpo (2ª coluna leva o card lateral), garantindo
   que título e texto fiquem sempre alinhados na mesma margem esquerda,
   mesmo com o container agora bem mais largo que antes. */
.article-shell{max-width:1160px;margin:0 auto;padding:0 clamp(20px,4vw,48px);display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:start}
.article-main{min-width:0}
.article-aside{position:sticky;top:calc(var(--nav-h) + 32px)}
.aside-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);padding:28px 26px;display:flex;flex-direction:column;gap:14px}
.aside-card b{font-size:1.05rem;font-weight:900;letter-spacing:-.01em}
.aside-card p{color:var(--muted);font-size:14px;line-height:1.6}
.aside-card .btn-ghost{align-self:flex-start;font-size:13px;padding:13px 22px}

.article-cover{height:clamp(200px,32vw,360px);border-radius:var(--radius);margin:0 0 46px;background:linear-gradient(135deg,var(--deep) 0%,var(--primary) 55%,var(--accent) 130%);position:relative;overflow:hidden}
.article-cover::after{content:'';position:absolute;inset:0;background:radial-gradient(circle at 20% 15%,rgba(255,255,255,.2),transparent 55%)}
.article{padding-bottom:20px}
.article h2{font-size:clamp(1.3rem,2.2vw,1.7rem);font-weight:800;letter-spacing:-.015em;margin:38px 0 14px}
.article p{color:var(--muted);font-size:16.5px;line-height:1.85;margin-bottom:20px}
.article p strong{color:var(--text)}
.article ul{margin:0 0 20px 22px;color:var(--muted);font-size:16.5px;line-height:1.85}
.article ul li{margin-bottom:8px}
.article blockquote{border-left:3px solid var(--accent);padding:4px 0 4px 22px;margin:30px 0;color:var(--text);font-size:1.15rem;font-weight:600;line-height:1.6}

/* Links dentro do corpo do artigo: sem isso, herdam a regra global
   a{color:inherit} e ficam parecendo texto em negrito comum, não um link. */
.article p a,.article li a{color:var(--accent);font-weight:700;text-decoration:underline;text-decoration-color:rgba(180,135,245,.35);text-underline-offset:3px;transition:color .2s,text-decoration-color .2s}
.article p a:hover,.article li a:hover{color:var(--text);text-decoration-color:var(--accent)}
.article p a::after{content:'→';display:inline-block;margin-left:5px;transition:transform .2s}
.article p a:hover::after{transform:translateX(3px)}

@media (max-width:980px){
  .article-shell{grid-template-columns:1fr;max-width:760px}
  .article-aside{position:static;margin-top:8px}
}

/* ==================== CTA FINAL (padrão faixa, igual ao site principal) ==================== */
.band{padding:clamp(64px,9vh,100px) 0;text-align:center;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-top:20px}
.band h2{max-width:26ch;margin:0 auto 34px}

/* ==================== BLOCO DE E-MAIL (newsletter / isca) ==================== */
.newsletter{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:clamp(28px,4vw,46px);margin:56px 0;text-align:center}
.newsletter h3{font-size:1.4rem;font-weight:900;margin-bottom:10px}
.newsletter p{color:var(--muted);font-size:14.5px;margin-bottom:24px;max-width:52ch;margin-left:auto;margin-right:auto}
.newsletter-form{display:flex;gap:12px;max-width:440px;margin:0 auto;flex-wrap:wrap;justify-content:center}
.newsletter-form input{flex:1;min-width:200px;background:rgba(10,6,18,.65);border:1px solid var(--line);border-radius:12px;color:var(--text);font-size:15px;padding:15px 17px}
.newsletter-form input::placeholder{color:#5c5178}
.newsletter-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(180,135,245,.16)}
.newsletter-form button{white-space:nowrap;padding:15px 26px}
.newsletter-note{font-size:12px;color:var(--dim);margin-top:14px}
.newsletter-sent{display:none;color:var(--accent);font-weight:700;font-size:14.5px}

/* ==================== RODAPÉ (idêntico ao site principal) ==================== */
footer{border-top:1px solid var(--line);padding:60px 0 40px;background:rgba(10,6,18,.6)}
.foot-grid{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;align-items:flex-start}
.foot-brand{max-width:34ch}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{color:var(--dim);font-size:13.5px;line-height:1.7}
.foot-col b{display:block;font-size:11px;font-weight:800;letter-spacing:.26em;text-transform:uppercase;color:var(--dim);margin-bottom:16px}
.foot-col a{display:block;color:var(--muted);font-size:14px;padding:6px 0;transition:color .25s}
.foot-col a:hover{color:var(--accent)}
.foot-base{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:50px;padding-top:26px;border-top:1px solid rgba(180,135,245,.08);font-size:12px;color:var(--dim);letter-spacing:.04em}

@media (max-width:600px){
  .blog-hero{padding-top:calc(var(--nav-h) + 40px)}
  .article-head{padding-top:calc(var(--nav-h) + 30px)}
  .newsletter-form{flex-direction:column}
  .newsletter-form button{width:100%;justify-content:center}
}