/* ===== Blog Article (single post) — extends styles.css ===== */

.article-head{background:linear-gradient(180deg,var(--sky-100),var(--sky-50));padding:44px 0 40px;}
.article-head .tag{display:inline-flex;align-items:center;gap:7px;background:var(--orange);color:#fff;font-family:var(--head);font-weight:700;font-size:12.5px;text-transform:uppercase;letter-spacing:.04em;padding:6px 15px;border-radius:999px;margin-bottom:18px;box-shadow:0 8px 18px rgba(238,106,28,.28);}
.article-head h1{font-size:clamp(30px,4vw,46px);max-width:880px;line-height:1.12;margin-bottom:18px;color:var(--ink);}
.article-head .meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:14px;color:var(--body);}
.article-head .meta .a{display:flex;align-items:center;gap:8px;}
.article-head .meta .av{width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:var(--head);font-weight:700;font-size:13px;}
.article-head .meta .dot{width:4px;height:4px;border-radius:50%;background:var(--sky-200);}
.article-head .meta i{color:var(--orange);}

.article-hero-img{border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--shadow);margin-bottom:48px;max-height:460px;}
.article-hero-img img{width:100%;height:100%;object-fit:cover;display:block;}

.article-layout{display:grid;grid-template-columns:260px 1fr;gap:48px;align-items:start;}

/* TOC */
.toc{position:sticky;top:96px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow-sm);}
.toc h4{font-family:var(--head);font-weight:700;font-size:14px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:16px;display:flex;align-items:center;gap:8px;}
.toc h4 i{color:var(--orange);font-size:18px;}
.toc ul{display:grid;gap:2px;}
.toc a{display:block;padding:9px 12px;border-radius:8px;font-size:14px;color:var(--body);border-left:2px solid transparent;transition:.18s;}
.toc a:hover{background:var(--sky-50);color:var(--navy);}
.toc a.active{background:var(--orange-50);color:var(--orange);border-left-color:var(--orange);font-weight:600;}

/* article body */
.article-body h2{font-size:clamp(24px,2.8vw,32px);margin:38px 0 16px;scroll-margin-top:96px;color:var(--ink);}
.article-body h2:first-child{margin-top:0;}
.article-body h2 .accent{color:var(--orange);}
.article-body p{font-size:16.5px;line-height:1.75;margin-bottom:18px;color:var(--body);}
.article-body strong{color:var(--ink);font-weight:700;}
.article-body a{color:var(--navy);font-weight:600;text-decoration:underline;text-decoration-color:var(--sky-200);}
.article-body a:hover{text-decoration-color:var(--orange);}
.article-body .inline-img{border-radius:var(--r-lg);overflow:hidden;margin:28px 0;box-shadow:var(--shadow-sm);}
.article-body .inline-img img{width:100%;display:block;}
.article-body ul{display:grid;gap:11px;margin:6px 0 22px;}
.article-body ul li{position:relative;padding-left:30px;font-size:16px;color:var(--body);}
.article-body ul li::before{content:"\2713";position:absolute;left:0;top:2px;width:20px;height:20px;border-radius:50%;background:rgba(28,163,90,.12);color:var(--green);font-size:12px;font-weight:700;display:grid;place-items:center;}

/* comparison table */
.compare-table{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;margin:8px 0 28px;font-size:15px;}
.compare-table thead th{background:var(--navy);color:#fff;font-family:var(--head);font-weight:700;padding:15px 18px;text-align:left;font-size:14.5px;}
.compare-table thead th:first-child{background:var(--navy-900);}
.compare-table td{padding:14px 18px;border-bottom:1px solid var(--line);}
.compare-table td:first-child{font-family:var(--head);font-weight:600;color:var(--ink);background:var(--sky-50);}
.compare-table tr:last-child td{border-bottom:none;}

/* callout */
.callout{background:var(--orange-50);border-left:4px solid var(--orange);border-radius:0 12px 12px 0;padding:20px 24px;margin:24px 0;}
.callout p{margin:0;font-size:15.5px;color:var(--ink);}
.callout strong{color:var(--orange);}

/* share */
.share-row{display:flex;align-items:center;gap:14px;margin-top:40px;padding-top:28px;border-top:1px solid var(--line);flex-wrap:wrap;}
.share-row .lbl{font-family:var(--head);font-weight:700;color:var(--ink);font-size:15px;}
.share-row a{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;background:var(--sky-50);color:var(--navy);font-size:19px;transition:.2s;}
.share-row a:hover{background:var(--orange);color:#fff;transform:translateY(-2px);}

/* author box */
.author-box{display:flex;gap:18px;align-items:center;background:var(--sky-50);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;margin-top:32px;}
.author-box .av{width:64px;height:64px;border-radius:50%;background:var(--navy);color:#fff;display:grid;place-items:center;font-family:var(--head);font-weight:800;font-size:22px;flex-shrink:0;}
.author-box .nm{font-family:var(--head);font-weight:700;font-size:17px;color:var(--ink);}
.author-box .ro{font-size:13.5px;color:var(--orange);font-weight:600;margin-bottom:6px;}
.author-box p{font-size:13.5px;color:var(--body);margin:0;}

/* message CTA */
.msg-cta{background:linear-gradient(120deg,var(--navy),var(--navy-700));border-radius:var(--r-xl);padding:46px;color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;position:relative;overflow:hidden;}
.msg-cta::after{content:"";position:absolute;right:-80px;bottom:-80px;width:280px;height:280px;border-radius:50%;background:rgba(255,255,255,.06);}
.msg-cta .t h2{color:#fff;font-size:30px;margin-bottom:10px;}
.msg-cta .t p{color:#c8d4ef;font-size:15.5px;}
.msg-cta form{position:relative;display:grid;gap:12px;}
.msg-cta .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.msg-cta input,.msg-cta textarea{width:100%;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);border-radius:10px;padding:13px 15px;color:#fff;font-family:var(--body-font);font-size:14px;outline:none;}
.msg-cta input::placeholder,.msg-cta textarea::placeholder{color:#9fb2d6;}
.msg-cta input:focus,.msg-cta textarea:focus{border-color:var(--orange);background:rgba(255,255,255,.13);}

/* related posts */
.relpost-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.relpost-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;transition:.25s;}
.relpost-card:hover{box-shadow:var(--shadow);transform:translateY(-4px);border-color:var(--orange);}
.relpost-card .img{height:160px;overflow:hidden;}
.relpost-card .img img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s;}
.relpost-card:hover .img img{transform:scale(1.06);}
.relpost-card .body{padding:20px;}
.relpost-card .tag{font-family:var(--head);font-weight:700;font-size:11.5px;color:var(--orange);text-transform:uppercase;letter-spacing:.04em;margin-bottom:8px;display:block;}
.relpost-card h3{font-size:15.5px;line-height:1.3;transition:color .2s;}
.relpost-card:hover h3{color:var(--orange);}

@media(max-width:1024px){
  .article-layout{grid-template-columns:1fr;}
  .toc{position:static;}
  .msg-cta{grid-template-columns:1fr;}
  .relpost-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:600px){
  .relpost-grid{grid-template-columns:1fr;}
  .msg-cta{padding:32px 24px;}
  .msg-cta .row2{grid-template-columns:1fr;}
  .compare-table{font-size:13.5px;}
  .compare-table td,.compare-table thead th{padding:11px 12px;}
}