/* ============================================================
   blog.css — estilos compartilhados de blog
   ============================================================ */
.blog-hero{
  background:linear-gradient(145deg,var(--blue-50) 0%,var(--gray-50) 60%,var(--white) 100%);
  padding:140px 0 72px;position:relative;overflow:hidden;
  border-bottom:1px solid var(--border);
}
.blog-hero::before{
  content:'';position:absolute;top:-100px;right:-60px;
  width:500px;height:500px;
  background:radial-gradient(circle,rgba(45,107,164,.07) 0%,transparent 70%);
  pointer-events:none;
}
.blog-hero-inner{position:relative;z-index:1;max-width:680px}
.blog-hero h1{font-family:var(--ff-display);font-size:clamp(2rem,4vw,3rem);font-weight:900;color:var(--blue-900);margin-bottom:14px}
.blog-hero-sub{font-size:.95rem;color:var(--text-mid);line-height:1.7}

/* Article cards on listing page */
.blog-listing{padding:72px 0}
.blog-listing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.blog-card-v2{
  background:var(--white);border:1px solid var(--border);border-radius:var(--r-md);
  overflow:hidden;display:flex;flex-direction:column;transition:var(--ease);
}
.blog-card-v2:hover{box-shadow:var(--sh-md);transform:translateY(-4px)}
.blog-card-v2 .blog-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--gray-100)}
.blog-card-v2 .blog-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.blog-card-v2:hover .blog-thumb img{transform:scale(1.04)}
.blog-card-v2 .card-body{padding:24px;flex:1;display:flex;flex-direction:column}
.blog-card-v2 .card-meta{display:flex;align-items:center;gap:12px;margin-bottom:10px}
.blog-card-v2 .tag{font-size:.65rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.blog-card-v2 .date{font-size:.72rem;color:var(--text-xlight)}
.blog-card-v2 h2{font-family:var(--ff-display);font-size:1.08rem;font-weight:700;color:var(--blue-900);margin-bottom:10px;line-height:1.4}
.blog-card-v2 p{font-size:.84rem;color:var(--text-light);line-height:1.7;flex:1}
.blog-card-v2 .read-more{display:inline-flex;align-items:center;gap:6px;margin-top:16px;font-size:.73rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand);transition:gap var(--ease),color var(--ease)}
.blog-card-v2 .read-more:hover{color:var(--accent);gap:10px}

/* Single article page */
.article-page{background:var(--white)}
/* Extra top padding = header height (~70px) + buffer */
.article-container{max-width:780px;margin:0 auto;padding:110px 28px 88px}
.article-back{display:inline-flex;align-items:center;gap:7px;font-size:.78rem;font-weight:600;color:var(--brand);margin-bottom:32px;transition:gap var(--ease)}
.article-back:hover{gap:12px}
.article-back svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2}
.article-meta-bar{display:flex;align-items:center;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.article-tag-pill{background:var(--blue-50);color:var(--brand);font-size:.65rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;padding:5px 13px;border-radius:20px;border:1px solid var(--blue-200)}
.article-date-txt{font-size:.78rem;color:var(--text-xlight)}
.article-h1{font-family:var(--ff-display);font-size:clamp(1.8rem,4vw,2.6rem);font-weight:900;color:var(--blue-900);line-height:1.2;margin-bottom:24px}
.article-hero-img{border-radius:var(--r-lg);overflow:hidden;margin-bottom:36px;aspect-ratio:21/9;background:var(--gray-100)}
.article-hero-img img{width:100%;height:100%;object-fit:cover}

.article-body p{font-size:.95rem;color:var(--text-mid);line-height:1.88;margin-bottom:18px}
.article-body h2{font-family:var(--ff-display);font-size:1.4rem;font-weight:700;color:var(--blue-900);margin:32px 0 12px}
.article-body h3{font-family:var(--ff-display);font-size:1.15rem;font-weight:700;color:var(--brand);margin:24px 0 10px}
.article-body ul{display:flex;flex-direction:column;gap:11px;margin:16px 0 20px;padding:0}
.article-body li{padding-left:18px;position:relative;font-size:.93rem;color:var(--text-mid);line-height:1.75}
.article-body li::before{content:'';position:absolute;left:0;top:9px;width:6px;height:6px;background:var(--accent);border-radius:50%}
.article-series{font-size:.82rem;font-style:italic;font-weight:600;color:var(--accent);margin-bottom:18px;display:block}
.article-quote{
  border-left:3px solid var(--accent);padding:18px 24px;
  margin:28px 0;background:var(--gold-100);border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-family:var(--ff-display);font-size:1.05rem;font-style:italic;
  color:var(--blue-900);line-height:1.6;
}
.article-quote cite{display:block;margin-top:9px;font-family:var(--ff-body);font-size:.72rem;font-style:normal;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}

.article-cta-box{margin-top:48px;padding:36px;background:var(--blue-50);border-radius:var(--r-lg);border:1px solid var(--blue-200);text-align:center}
.article-cta-box h3{font-family:var(--ff-display);font-size:1.35rem;font-weight:700;color:var(--blue-900);margin-bottom:10px}
.article-cta-box p{font-size:.88rem;color:var(--text-mid);margin-bottom:22px}
.article-nav{display:flex;justify-content:space-between;margin-top:40px;gap:16px;flex-wrap:wrap;border-top:1px solid var(--border);padding-top:28px}
.article-nav a{font-size:.8rem;font-weight:600;color:var(--brand);transition:color var(--ease)}
.article-nav a:hover{color:var(--accent)}

@media(max-width:768px){
  .blog-listing-grid{grid-template-columns:1fr}
  .article-container{padding:44px 18px 64px}
}

/* Opaque header for blog/article pages */
.page-blog #site-header,
.page-article #site-header {
  background: rgba(15,37,64,.97) !important;
}

/* article-back-wrap pushes the back link below header */
.article-back-wrap {
  margin-bottom: 24px;
}