/* blog.css — blog listing + article */

.blog-cats{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:36px}
.blog-cat{padding:8px 18px;border-radius:100px;border:1px solid var(--line2);background:transparent;font-family:'Plus Jakarta Sans',sans-serif;font-size:14px;font-weight:500;color:var(--w50);cursor:pointer;transition:all .2s}
.blog-cat:hover,.blog-cat.active{border-color:rgba(29,181,129,.4);color:#1db581;background:rgba(29,181,129,.06)}

.blog-featured{
  background:linear-gradient(135deg,rgba(29,181,129,.06),rgba(91,108,249,.03));
  border:1px solid rgba(29,181,129,.2);border-radius:20px;
  padding:40px;margin-bottom:40px;
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.blog-featured::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,#1db581,var(--accent2))}
.bf-tag{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#f59e0b;background:rgba(245,158,11,.08);border:1px solid rgba(245,158,11,.2);padding:3px 10px;border-radius:5px;margin-bottom:14px}
.bf-title{font-size:clamp(20px,2.5vw,30px);font-weight:900;letter-spacing:-1px;color:#fff;line-height:1.2;margin-bottom:12px}
.bf-desc{font-size:15px;color:var(--w50);line-height:1.65;margin-bottom:20px}
.bf-img{height:220px;background:linear-gradient(135deg,#111318,#16171b);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:64px;border:1px solid var(--line2);position:relative;overflow:hidden}
.bf-img::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:32px 32px}

.blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.blog-card{background:var(--bg1);border:1px solid var(--line2);border-radius:16px;overflow:hidden;transition:all .25s;display:flex;flex-direction:column}
.blog-card:hover{border-color:rgba(29,181,129,.25);transform:translateY(-4px);box-shadow:0 16px 48px rgba(0,0,0,.3)}
.blog-card-img{height:160px;background:linear-gradient(135deg,#16171b,#111318);display:flex;align-items:center;justify-content:center;font-size:44px;position:relative;overflow:hidden}
.blog-card-img::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:28px 28px}
.blog-card-body{padding:22px;flex:1;display:flex;flex-direction:column}
.blog-tag{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#1db581;background:rgba(29,181,129,.08);border:1px solid rgba(29,181,129,.2);padding:3px 10px;border-radius:5px;margin-bottom:12px}
.blog-title{font-size:16px;font-weight:700;color:#fff;letter-spacing:-.3px;line-height:1.35;flex:1}
.blog-title a{color:inherit;text-decoration:none;transition:color .2s}
.blog-title a:hover{color:#1db581}

@media(max-width:900px){
  .blog-featured{grid-template-columns:1fr}
  .bf-img{order:-1}
  .blog-grid{grid-template-columns:1fr}
}

/* article page */
.article-layout{display:grid;grid-template-columns:1fr 280px;gap:48px;align-items:start}
.article-tag{display:inline-block;font-family:'IBM Plex Mono',monospace;font-size:10px;text-transform:uppercase;letter-spacing:.08em;color:#1db581;background:rgba(29,181,129,.08);border:1px solid rgba(29,181,129,.2);padding:3px 10px;border-radius:5px;margin-bottom:20px}
.article-cover{height:300px;background:linear-gradient(135deg,#111318,#16171b);border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:80px;margin-bottom:36px;border:1px solid var(--line2);position:relative;overflow:hidden}
.article-cover::before{content:'';position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:40px 40px}
.article-text h2{font-size:22px;font-weight:800;letter-spacing:-.5px;color:#fff;margin:32px 0 14px}
.article-text h3{font-size:17px;font-weight:700;color:#fff;margin:24px 0 10px}
.article-text p{font-size:16px;color:var(--w80);line-height:1.85;margin-bottom:16px}
.article-text ul,.article-text ol{padding-left:22px;margin-bottom:16px}
.article-text li{font-size:16px;color:var(--w80);line-height:1.8;margin-bottom:8px}
.article-text strong{color:#fff;font-weight:700}
.article-text a{color:#1db581;text-decoration:none}
.article-text a:hover{text-decoration:underline}
.article-callout{background:rgba(29,181,129,.06);border:1px solid rgba(29,181,129,.2);border-left:3px solid #1db581;border-radius:0 12px 12px 0;padding:18px 22px;margin:24px 0;font-size:15px;color:var(--w80);line-height:1.7}
.article-callout strong{color:#1db581}

.article-sidebar{position:sticky;top:80px;display:flex;flex-direction:column;gap:16px}
.aside-card{background:var(--bg1);border:1px solid var(--line2);border-radius:14px;padding:20px}
.aside-title{font-size:13px;font-weight:700;color:#fff;margin-bottom:12px}
.toc-item{display:block;font-size:13px;color:var(--w50);text-decoration:none;padding:6px 0 6px 12px;border-left:2px solid var(--line);transition:all .2s;margin-bottom:2px}
.toc-item:hover,.toc-item.active{color:#1db581;border-left-color:#1db581}
.aside-cta{background:linear-gradient(135deg,rgba(29,181,129,.08),rgba(91,108,249,.04));border:1px solid rgba(29,181,129,.2)}
.aside-cta .aside-title{color:#1db581}
.btn-aside{width:100%;background:linear-gradient(135deg,#1db581,#16a872);color:#fff;border:none;padding:12px;border-radius:10px;font-family:'Plus Jakarta Sans',sans-serif;font-size:14px;font-weight:700;cursor:pointer;transition:all .2s;margin-top:10px;text-decoration:none;display:block;text-align:center}
.btn-aside:hover{background:linear-gradient(135deg,#22c97a,#1db581);transform:translateY(-1px)}

.article-nav{display:flex;gap:12px;margin-top:40px;padding-top:32px;border-top:1px solid var(--line)}
.anav{flex:1;background:var(--bg1);border:1px solid var(--line2);border-radius:14px;padding:18px 20px;text-decoration:none;transition:all .2s}
.anav:hover{border-color:rgba(29,181,129,.25);transform:translateY(-2px)}
.anav-dir{font-family:'IBM Plex Mono',monospace;font-size:10px;text-transform:uppercase;letter-spacing:.06em;color:var(--w30);margin-bottom:6px}
.anav-title{font-size:14px;font-weight:600;color:#fff;line-height:1.35}
.anav.next{text-align:right}

@media(max-width:900px){.article-layout{grid-template-columns:1fr}.article-sidebar{position:static}}