/* =========================================================
   blog.css : Reusable Blog Template Stylesheet
   Radhe Exchange (radheexchange.net)
   Use this SAME file for every future blog post. Do not fork it
   per post, only the .php content changes, this CSS stays fixed.
   ========================================================= */

:root{
  --blog-font-head: "Poppins","Segoe UI",Arial,sans-serif;
  --blog-font-body: "Inter","Segoe UI",Arial,sans-serif;
  --blog-bg:        #f7f9fb;
  --blog-surface:   #ffffff;
  --blog-border:    #e3e8ee;
  --blog-text:      #1c2530;
  --blog-muted:     #5b6b7d;
  --blog-faint:     #8a97a6;
  --blog-teal:      #0f7a8c;
  --blog-teal-dark: #0b5c6a;
  --blog-teal-soft: #eaf6f8;
  --blog-gold:      #d99b1c;
  --blog-radius-lg: 16px;
  --blog-radius-md: 12px;
  --blog-radius-sm: 8px;
  --blog-shadow:    0 8px 28px rgba(20,40,60,.08);
  --blog-transition:all .2s ease;
}

html{scroll-behavior:smooth;}
/* .blog-page wraps all blog content, right after the shared header include */
.blog-page{
  background:var(--blog-bg);
  color:var(--blog-text);
  font-family:var(--blog-font-body);
  line-height:1.75;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
.blog-page img{max-width:100%;display:block;}
.blog-page a{color:var(--blog-teal);text-decoration:none;}
.blog-page a:hover{text-decoration:underline;}
.blog-container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px;}

/* ---------- Reading progress bar ---------- */
.blog-progress{
  position:fixed;top:0;left:0;height:3px;width:0%;
  background:linear-gradient(90deg,var(--blog-teal),var(--blog-gold));
  z-index:300;transition:width .1s linear;
}

/* ---------- Breadcrumb ---------- */
.blog-breadcrumb{
  font-size:13px;color:var(--blog-faint);padding:16px 0 0;
}
.blog-breadcrumb a{color:var(--blog-faint);}
.blog-breadcrumb a:hover{color:var(--blog-teal);}
.blog-breadcrumb .sep{margin:0 6px;}

/* ---------- Hero / title block ---------- */
.blog-hero{padding:18px 0 26px;}
.blog-category{
  display:inline-block;background:var(--blog-teal-soft);color:var(--blog-teal-dark);
  font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;
  padding:6px 14px;border-radius:50px;margin-bottom:14px;
}
.blog-hero h1{
  font-family:var(--blog-font-head);font-weight:800;font-size:clamp(26px,4vw,40px);
  line-height:1.25;margin:0 0 14px;color:#101820;
}
.blog-excerpt{font-size:17px;color:var(--blog-muted);max-width:820px;margin:0 0 20px;}

.blog-meta-row{
  display:flex;align-items:center;flex-wrap:wrap;gap:18px;
  padding:16px 0;border-top:1px solid var(--blog-border);border-bottom:1px solid var(--blog-border);
  font-size:13.5px;color:var(--blog-faint);
}
.blog-meta-row .author{
  display:flex;align-items:center;gap:10px;color:var(--blog-text);font-weight:600;
}
.blog-meta-row .avatar{
  width:34px;height:34px;border-radius:50%;background:var(--blog-teal-soft);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--blog-teal-dark);
  font-size:13px;
}
.blog-meta-row .divider{color:var(--blog-border);}

/* ---------- Featured image ---------- */
.blog-featured-img{
  width:100%;height:auto;border-radius:var(--blog-radius-lg);
  border:1px solid var(--blog-border);margin:22px 0 6px;
}
.blog-img-caption{font-size:12.5px;color:var(--blog-faint);text-align:center;margin:8px 0 0;}

/* ---------- Layout: content + sticky TOC ---------- */
.blog-layout{
  display:grid;
  grid-template-columns:260px 1fr;
  gap:44px;
  align-items:start;
  padding:34px 0 60px;
}
.blog-toc{
  position:sticky;top:86px;background:var(--blog-surface);border:1px solid var(--blog-border);
  border-radius:var(--blog-radius-md);padding:20px;box-shadow:var(--blog-shadow);
}
.blog-toc h4{
  font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--blog-faint);
  margin:0 0 12px;
}
.blog-toc nav{display:flex;flex-direction:column;gap:2px;max-height:60vh;overflow-y:auto;}
.blog-toc-link{
  display:block;padding:7px 10px;border-radius:8px;font-size:13.5px;
  color:var(--blog-muted);border-left:2px solid transparent;transition:var(--blog-transition);
}
.blog-toc-link:hover{color:var(--blog-text);background:var(--blog-teal-soft);text-decoration:none;}
.blog-toc-link.active{
  color:var(--blog-teal-dark);border-left-color:var(--blog-teal);
  background:var(--blog-teal-soft);font-weight:700;
}

/* ---------- Article typography ---------- */
.blog-article{min-width:0;}
.blog-article h2{
  font-family:var(--blog-font-head);font-weight:800;font-size:24px;
  margin:40px 0 14px;color:#101820;scroll-margin-top:100px;
}
.blog-article h3{
  font-family:var(--blog-font-head);font-weight:700;font-size:18.5px;
  margin:26px 0 10px;color:#101820;scroll-margin-top:100px;
}
.blog-article p{margin:0 0 16px;color:var(--blog-text);font-size:16px;}
.blog-article ul,
.blog-article ol{margin:0 0 16px;padding-left:22px;}
.blog-article li{margin:0 0 8px;color:var(--blog-text);}
.blog-article strong{color:#101820;}

/* ---------- Internal link callout box ---------- */
.blog-link-box{
  background:var(--blog-teal-soft);border:1px solid #cfe9ec;border-radius:var(--blog-radius-md);
  padding:18px 20px;margin:22px 0;display:flex;align-items:flex-start;gap:14px;
}
.blog-link-box svg{flex:0 0 22px;width:22px;height:22px;color:var(--blog-teal-dark);margin-top:2px;}
.blog-link-box p{margin:0;font-size:14.5px;color:#0b3a42;}
.blog-link-box a{font-weight:700;}

/* ---------- Data table ---------- */
.blog-table-wrap{overflow-x:auto;border-radius:var(--blog-radius-md);border:1px solid var(--blog-border);margin:18px 0;}
table.blog-table{width:100%;border-collapse:collapse;min-width:480px;background:var(--blog-surface);}
table.blog-table th{
  background:var(--blog-teal-dark);color:#fff;text-align:left;padding:12px 16px;font-size:13.5px;
}
table.blog-table td{padding:12px 16px;font-size:14px;border-bottom:1px solid var(--blog-border);color:var(--blog-text);}
table.blog-table tr:nth-child(even) td{background:var(--blog-teal-soft);}
table.blog-table tr:last-child td{border-bottom:none;}

/* ---------- CTA box ---------- */
.blog-cta{
  background:linear-gradient(135deg,var(--blog-teal-dark),var(--blog-teal));
  color:#fff;border-radius:var(--blog-radius-lg);padding:30px;margin:34px 0;
  text-align:center;
}
.blog-cta h3{color:#fff;margin:0 0 8px;font-size:20px;}
.blog-cta p{color:#dff3f5;margin:0 0 18px;font-size:14.5px;}
.blog-cta a{
  display:inline-block;background:#fff;color:var(--blog-teal-dark);
  font-weight:700;padding:12px 26px;border-radius:50px;font-size:14.5px;
}
.blog-cta a:hover{background:#eafcfe;text-decoration:none;}

/* ---------- FAQ accordion ---------- */
.blog-faq{display:flex;flex-direction:column;gap:10px;margin-top:6px;}
.blog-faq-item{
  background:var(--blog-surface);border:1px solid var(--blog-border);border-radius:var(--blog-radius-sm);
  overflow:hidden;
}
.blog-faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:15px 18px;cursor:pointer;font-weight:700;font-size:14.5px;color:#101820;
}
.blog-faq-q .plus{
  width:20px;height:20px;flex:0 0 20px;border-radius:50%;background:var(--blog-teal-soft);
  display:flex;align-items:center;justify-content:center;color:var(--blog-teal-dark);
  transition:var(--blog-transition);font-size:14px;
}
.blog-faq-item.open .plus{transform:rotate(45deg);background:var(--blog-teal);color:#fff;}
.blog-faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 18px;}
.blog-faq-item.open .blog-faq-a{max-height:400px;padding:0 18px 16px;}
.blog-faq-a p{margin:0;font-size:14px;color:var(--blog-muted);}

/* ---------- Author bio / E-E-A-T box ---------- */
.blog-author-box{
  display:flex;gap:16px;align-items:flex-start;background:var(--blog-surface);
  border:1px solid var(--blog-border);border-radius:var(--blog-radius-md);
  padding:20px;margin:34px 0;
}
.blog-author-box .avatar{
  width:52px;height:52px;border-radius:50%;background:var(--blog-teal-soft);
  display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--blog-teal-dark);
  flex:0 0 52px;font-size:17px;
}
.blog-author-box h5{margin:0 0 4px;font-size:14.5px;color:#101820;}
.blog-author-box p{margin:0;font-size:13.5px;color:var(--blog-muted);}

/* ---------- Disclaimer / footer note ---------- */
.blog-disclaimer{
  background:#fbf6e9;border:1px solid #f0e2b8;border-radius:var(--blog-radius-md);
  padding:16px 18px;margin-top:26px;font-size:12.5px;color:#6b5a20;
}

/* ---------- Related posts ---------- */
.blog-related{padding:10px 0 50px;}
.blog-related h3{font-family:var(--blog-font-head);font-size:20px;margin-bottom:18px;}
.blog-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.blog-related-card{
  background:var(--blog-surface);border:1px solid var(--blog-border);border-radius:var(--blog-radius-md);
  padding:18px;transition:var(--blog-transition);
}
.blog-related-card:hover{border-color:var(--blog-teal);box-shadow:var(--blog-shadow);}
.blog-related-card .tag{font-size:11.5px;color:var(--blog-teal-dark);font-weight:700;text-transform:uppercase;}
.blog-related-card h4{font-size:15px;margin:8px 0 0;color:#101820;}

/* ---------- Back to top ---------- */
.blog-back-top{
  position:fixed;right:20px;bottom:20px;z-index:150;
  width:44px;height:44px;border-radius:50%;
  background:var(--blog-surface);border:1px solid var(--blog-border);color:var(--blog-teal-dark);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:var(--blog-shadow);
  opacity:0;visibility:hidden;transform:translateY(10px);transition:var(--blog-transition);
}
.blog-back-top.visible{opacity:1;visibility:visible;transform:translateY(0);}
.blog-back-top:hover{background:var(--blog-teal);color:#fff;}

/* ---------- Responsive ---------- */
@media (max-width: 991px){
  .blog-layout{grid-template-columns:1fr;}
  .blog-toc{position:static;}
  .blog-toc nav{
    flex-direction:row;flex-wrap:wrap;gap:8px;max-height:none;overflow:visible;
  }
  .blog-toc-link{border:1px solid var(--blog-border);border-left:1px solid var(--blog-border);padding:6px 12px;}
  .blog-toc-link.active{border-color:var(--blog-teal);}
  .blog-related-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width: 640px){
  .blog-hero{padding:14px 0 20px;}
  .blog-meta-row{gap:12px;}
  .blog-layout{padding:24px 0 40px;}
  .blog-related-grid{grid-template-columns:1fr;}
  .blog-article h2{font-size:21px;}
}

/* =========================================================
   BLOG INDEX / GRID PAGE (blog-index.php)
   ========================================================= */
.blog-index-hero{padding:32px 0 6px;text-align:left;}
.blog-index-hero h1{
  font-family:var(--blog-font-head);font-weight:800;font-size:clamp(28px,4vw,42px);
  margin:0 0 12px;color:#101820;
}
.blog-index-hero .blog-excerpt{max-width:680px;}

/* ---------- Category filter pills ---------- */
.blog-filter-pills{
  display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 32px;
}
.filter-pill{
  background:var(--blog-surface);border:1px solid var(--blog-border);color:var(--blog-muted);
  font-size:13.5px;font-weight:600;padding:9px 18px;border-radius:50px;cursor:pointer;
  transition:var(--blog-transition);font-family:var(--blog-font-body);
}
.filter-pill:hover{border-color:var(--blog-teal);color:var(--blog-teal-dark);}
.filter-pill.active{
  background:var(--blog-teal);border-color:var(--blog-teal);color:#fff;
}

/* ---------- Blog grid ---------- */
.blog-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
  padding-bottom:60px;
}
.blog-grid-card{
  display:block;background:var(--blog-surface);border:1px solid var(--blog-border);
  border-radius:var(--blog-radius-md);overflow:hidden;transition:var(--blog-transition);
  color:inherit;
}
.blog-grid-card:hover{
  border-color:var(--blog-teal);box-shadow:var(--blog-shadow);transform:translateY(-3px);
  text-decoration:none;
}
.blog-grid-card-img{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--blog-teal-soft);}
.blog-grid-card-img img{width:100%;height:100%;object-fit:cover;}
.blog-grid-card-tag{
  position:absolute;top:12px;left:12px;background:rgba(255,255,255,.95);color:var(--blog-teal-dark);
  font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;
  padding:5px 12px;border-radius:50px;
}
.blog-grid-card-body{padding:18px 20px 20px;}
.blog-grid-card-body h3{
  font-family:var(--blog-font-head);font-size:16.5px;font-weight:700;margin:0 0 8px;
  color:#101820;line-height:1.35;
}
.blog-grid-card-body p{font-size:13.5px;color:var(--blog-muted);margin:0 0 14px;line-height:1.55;}
.blog-grid-card-meta{
  display:flex;align-items:center;gap:8px;font-size:12px;color:var(--blog-faint);
  border-top:1px solid var(--blog-border);padding-top:12px;
}
.blog-grid-card-meta .divider{color:var(--blog-border);}

.blog-empty-state{
  text-align:center;padding:60px 20px;color:var(--blog-faint);font-size:14.5px;
}
.blog-no-results{
  display:none;text-align:center;padding:40px 20px;color:var(--blog-faint);font-size:14.5px;
}

/* ---------- Responsive ---------- */
@media (max-width: 991px){
  .blog-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width: 640px){
  .blog-grid{grid-template-columns:1fr;gap:18px;}
  .blog-filter-pills{gap:8px;}
  .filter-pill{padding:8px 14px;font-size:13px;}
}