/*
 * blog.css — JewelWeldTech blog system (channel/distributor site)
 * Brand: orange #D9822B (primary accent) / navy #111D2E-#1D3557 / teal #4F9DA6 / silver #c0c0c0.
 * Fonts: Poppins (body/UI) + Playfair Display (headings). Pairs with Bootstrap 5.3.2 + bootstrap-icons CDN.
 */
:root {
  --primary-color: #D9822B;   /* industrial orange — commercial/wholesale highlight */
  --primary-dark: #17202A;
  --secondary-color: #111D2E; /* deep navy */
  --slate: #1D3557;           /* primary slate */
  --accent-color: #4F9DA6;    /* teal — training/service */
  --silver: #c0c0c0;
  --light-bg: #F6F7F9;
  --surface: #FFFFFF;
  --text-dark: #111D2E;
  --text-muted: #667085;
  --border: #D5DBE3;
}
body { font-family: 'Poppins', sans-serif; color: var(--text-dark); background: var(--light-bg); }
h1,h2,h3,h4,h5,.serif { font-family: 'Playfair Display', serif; }

/* navbar (matches landing) */
.navbar { background: var(--secondary-color); padding: .7rem 0; }
.navbar .navbar-brand { font-family: 'Playfair Display', serif; font-weight: 700; color: #fff; font-size: 1.4rem; }
.navbar .navbar-brand span { color: var(--primary-color); }
.navbar .nav-link { color: rgba(255,255,255,.85); font-weight: 500; font-family: 'Poppins',sans-serif; }
.navbar .nav-link:hover, .navbar .nav-link.active { color: var(--primary-color); }
.btn-gold { background: var(--primary-color); color: #fff; border: none; font-weight: 600; }
.btn-gold:hover { filter: brightness(1.07); color: #fff; }
.btn-teal { background: var(--accent-color); color:#fff; border:none; font-weight:600; }
.btn-teal:hover { filter:brightness(1.06); color:#fff; }
.navbar-toggler { border-color: rgba(255,255,255,.3); }
.navbar-toggler-icon { filter: invert(1); }

.blog-breadcrumb { font-size:.85rem; }
.blog-breadcrumb a { color: rgba(255,255,255,.8); text-decoration:none; }
.blog-breadcrumb a:hover { color: var(--primary-color); }
.blog-breadcrumb .sep { opacity:.5; margin:0 .4rem; }

/* ===== blog list ===== */
.blog-list-hero { background: linear-gradient(135deg, var(--slate), var(--secondary-color)); color:#fff; padding:7rem 0 3rem; text-align:center; }
.blog-list-hero h1 { font-weight:700; font-size:clamp(2rem,4vw,3rem); }
.blog-list-hero p { color: rgba(255,255,255,.82); max-width:660px; margin:.75rem auto 0; font-family:'Poppins',sans-serif; }
.category-chips { display:flex; flex-wrap:wrap; gap:.5rem; justify-content:center; margin:2rem 0; }
.category-chip { border:1px solid var(--border); background:#fff; color:var(--text-muted); border-radius:999px; padding:.4rem 1.1rem; font-size:.85rem; font-weight:600; cursor:pointer; transition:all .15s; font-family:'Poppins',sans-serif; }
.category-chip:hover { border-color:var(--primary-color); color:var(--primary-color); }
.category-chip.active { background:var(--primary-color); border-color:var(--primary-color); color:#fff; }
.post-card { background:var(--surface); border:1px solid var(--border); border-radius:14px; overflow:hidden; height:100%; display:flex; flex-direction:column; transition:transform .2s,box-shadow .2s; }
.post-card:hover { transform:translateY(-4px); box-shadow:0 14px 34px rgba(17,29,46,.12); }
.post-card .thumb { aspect-ratio:16/9; width:100%; object-fit:cover; background:var(--secondary-color); }
.post-card .card-body { padding:1.25rem 1.35rem 1.5rem; display:flex; flex-direction:column; flex:1; }
.post-badge { align-self:flex-start; background:rgba(217,130,43,.12); color:var(--primary-color); font-size:.72rem; font-weight:700; letter-spacing:.04em; text-transform:uppercase; border-radius:999px; padding:.3rem .75rem; margin-bottom:.75rem; font-family:'Poppins',sans-serif; }
.post-card h2 { font-size:1.18rem; font-weight:700; line-height:1.35; margin-bottom:.5rem; }
.post-card h2 a { color:var(--text-dark); text-decoration:none; }
.post-card h2 a:hover { color:var(--primary-color); }
.post-card .excerpt { color:var(--text-muted); font-size:.93rem; flex:1; }
.post-card .meta { color:var(--text-muted); font-size:.8rem; margin-top:1rem; display:flex; gap:1rem; }
.post-card .read-more { color:var(--primary-color); font-weight:600; text-decoration:none; margin-top:1rem; font-family:'Poppins',sans-serif; }

/* ===== article ===== */
.article-hero { position:relative; color:#fff; padding:7rem 0 3rem; overflow:hidden; }
.article-hero::before { content:""; position:absolute; inset:0; background:linear-gradient(135deg,var(--slate),var(--secondary-color)); z-index:0; }
.article-hero > .container { position:relative; z-index:1; }
.article-hero .post-badge { background:rgba(255,255,255,.14); color:var(--primary-color); }
.article-hero h1 { font-weight:700; font-size:clamp(1.9rem,3.6vw,2.9rem); line-height:1.2; max-width:900px; }
.article-meta { display:flex; flex-wrap:wrap; gap:.6rem; margin-top:1.25rem; }
.article-meta .pill { background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.18); border-radius:999px; padding:.35rem .9rem; font-size:.82rem; color:rgba(255,255,255,.92); font-family:'Poppins',sans-serif; }
.article-wrap { padding:3rem 0 4rem; }
.article-card { background:var(--surface); border:1px solid var(--border); border-radius:16px; padding:2.25rem; }
.article-content { font-size:1.05rem; line-height:1.8; color:#26303c; font-family:'Poppins',sans-serif; }
.article-content h2 { font-size:1.5rem; font-weight:700; margin:2.2rem 0 .9rem; padding-left:.85rem; border-left:4px solid var(--primary-color); scroll-margin-top:90px; }
.article-content h3 { font-size:1.2rem; font-weight:700; margin:1.6rem 0 .6rem; }
.article-content p { margin-bottom:1.1rem; }
.article-content ul,.article-content ol { margin-bottom:1.1rem; padding-left:1.3rem; }
.article-content li { margin-bottom:.5rem; }
.article-content .lead { font-size:1.18rem; color:var(--text-muted); }
.callout { background:var(--light-bg); border:1px solid var(--border); border-left:4px solid var(--accent-color); border-radius:10px; padding:1.1rem 1.3rem; margin:1.5rem 0; }
.callout strong { color:var(--slate); }
.toc-box { background:var(--light-bg); border:1px solid var(--border); border-radius:12px; padding:1.1rem 1.35rem; margin-bottom:1.75rem; }
.toc-box h4 { font-family:'Poppins',sans-serif; font-size:.82rem; text-transform:uppercase; letter-spacing:.06em; color:var(--text-muted); margin-bottom:.6rem; }
.toc-box ol { margin:0; padding-left:1.15rem; }
.toc-box li { margin-bottom:.35rem; }
.toc-box a { color:var(--primary-color); text-decoration:none; font-size:.95rem; }
.toc-box a:hover { text-decoration:underline; }
/* sticky sidebar */
.sidebar-column { position:relative; }
.sidebar-placeholder { display:none; }
.sidebar-placeholder.active { display:block; }
.blog-sidebar.is-fixed { position:fixed; top:100px; }
.blog-sidebar.is-bottom { position:absolute; bottom:0; }
.sidebar-widget,.cta-widget { border-radius:14px; padding:1.5rem; margin-bottom:1.5rem; }
.sidebar-widget { background:var(--surface); border:1px solid var(--border); }
.sidebar-widget h3 { font-size:1.15rem; font-weight:700; margin-bottom:.35rem; }
.sidebar-widget p.hint { color:var(--text-muted); font-size:.88rem; margin-bottom:1rem; font-family:'Poppins',sans-serif; }
.sidebar-widget label { font-family:'Poppins',sans-serif; font-size:.82rem; font-weight:600; color:var(--text-dark); margin-bottom:.25rem; }
.sidebar-widget .form-control { border-radius:8px; border:1px solid var(--border); font-size:.92rem; }
.sidebar-widget .form-control:focus { border-color:var(--primary-color); box-shadow:0 0 0 .2rem rgba(217,130,43,.15); }
.hp-field { position:absolute; left:-9999px; opacity:0; height:0; overflow:hidden; }
.erp-form-status { display:none; font-size:.88rem; margin-top:.75rem; }
.cta-widget { background:linear-gradient(135deg,var(--slate),var(--secondary-color)); color:#fff; }
.cta-widget h3 { color:#fff; font-size:1.15rem; font-weight:700; }
.cta-widget p { color:rgba(255,255,255,.82); font-size:.9rem; font-family:'Poppins',sans-serif; }
.author-card { display:flex; gap:1rem; align-items:center; margin-top:2.25rem; padding-top:1.5rem; border-top:1px solid var(--border); }
.author-card .avatar { width:54px; height:54px; border-radius:50%; background:var(--primary-color); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:1.2rem; flex:0 0 auto; font-family:'Poppins',sans-serif; }
.author-card .name { font-family:'Poppins',sans-serif; font-weight:700; }
.author-card .role { color:var(--text-muted); font-size:.88rem; font-family:'Poppins',sans-serif; }
.related-section { margin-top:3rem; }
.related-section h2 { font-size:1.4rem; font-weight:700; margin-bottom:1.25rem; }
.related-card { display:block; background:var(--surface); border:1px solid var(--border); border-radius:12px; padding:1.1rem 1.25rem; height:100%; text-decoration:none; color:var(--text-dark); transition:all .2s; }
.related-card:hover { border-color:var(--primary-color); transform:translateY(-3px); box-shadow:0 10px 24px rgba(17,29,46,.1); }
.related-card .rc-badge { font-family:'Poppins',sans-serif; font-size:.72rem; font-weight:700; text-transform:uppercase; color:var(--primary-color); }
.related-card h3 { font-size:1.02rem; font-weight:700; margin:.4rem 0 0; line-height:1.35; }
/* footer (matches landing) */
footer { background:var(--secondary-color); color:rgba(255,255,255,.75); padding:3rem 0 1.5rem; }
footer h5,footer h6 { color:#fff; font-weight:700; margin-bottom:1rem; }
footer a { color:rgba(255,255,255,.75); text-decoration:none; }
footer a:hover { color:var(--primary-color); }
footer .footer-social a { display:inline-flex; width:34px; height:34px; align-items:center; justify-content:center; border:1px solid rgba(255,255,255,.2); border-radius:50%; margin-right:.4rem; }
footer .footer-bottom { border-top:1px solid rgba(255,255,255,.12); margin-top:2rem; padding-top:1.25rem; }
@media (max-width:991px){ .blog-sidebar.is-fixed,.blog-sidebar.is-bottom{ position:static; width:auto !important; } .sidebar-column{ margin-top:2rem; } }