/* === Nayara Article Upgrade v2 === */
:root{
  --na-bg: #f5f7ff;
  --na-card: #ffffff;
  --na-text: #0f172a;
  --na-muted: #64748b;
  --na-line: rgba(99,102,241,.14);
  --na-primary: #6d28d9;
  --na-primary-2: #2563eb;
  --na-primary-3: #4f46e5;
  --na-shadow: 0 18px 50px rgba(15,23,42,.08);
  --na-radius: 22px;
}

html{
  scroll-behavior:smooth;
}

body.blog-article-page{
  background:
    radial-gradient(circle at top left, rgba(109,40,217,.08), transparent 28%),
    radial-gradient(circle at top right, rgba(37,99,235,.08), transparent 26%),
    var(--na-bg);
  color: var(--na-text);
}

body.blog-article-page .blog-topbar{
  box-shadow: 0 10px 30px rgba(15,23,42,.10);
}

.article-progress {
  position: sticky;
  top: 0;
  z-index: 70;
  height: 5px;
  background: rgba(255,255,255,.55);
  backdrop-filter: blur(10px);
}
.article-progress-bar{
  width: 0%;
  height: 100%;
  background: linear-gradient(90deg, var(--na-primary), var(--na-primary-2));
  box-shadow: 0 0 18px rgba(109,40,217,.45);
  transition: width .15s linear;
}

.article-shell{
  padding: 28px 0 60px;
}

.article-hero{
  background:
    linear-gradient(135deg, rgba(109,40,217,.95), rgba(37,99,235,.95));
  color: #fff;
  border-radius: 30px;
  padding: clamp(26px, 4vw, 40px);
  box-shadow: var(--na-shadow);
  position: relative;
  overflow: hidden;
  margin-bottom: 24px;
}
.article-hero::after{
  content:"";
  position:absolute;
  inset:-40px -30px auto auto;
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(255,255,255,.20), transparent 60%);
  filter: blur(5px);
  pointer-events:none;
}
.article-kicker{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.16);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .2px;
}
.article-hero h1{
  margin: 14px 0 10px;
  font-size: clamp(32px, 4.8vw, 58px);
  line-height: 1.05;
  color: #fff;
  max-width: 980px;
}
.article-excerpt{
  font-size: clamp(16px, 1.55vw, 19px);
  line-height: 1.85;
  color: rgba(255,255,255,.92);
  max-width: 980px;
  margin: 0;
}
.article-meta-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px 12px;
  margin-top:18px;
}
.article-meta-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 12px;
  border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.16);
  color:#fff;
  font-size:14px;
  font-weight:700;
}

.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:24px;
  align-items:start;
}

.article-main{
  min-width:0;
  display:flex;
  flex-direction:column;
  gap:22px;
}

.article-sidebar{
  position: sticky;
  top: 74px;
  display:flex;
  flex-direction:column;
  gap:16px;
}

.article-card,
.article-author,
.blog-related,
.blog-comments,
.topic-cluster{
  background: var(--na-card);
  border: 1px solid rgba(99,102,241,.10);
  box-shadow: var(--na-shadow);
  border-radius: var(--na-radius);
}

.article-card{
  padding: 18px;
}

.article-card h2,
.article-author h2,
.blog-related h2,
.blog-comments h2{
  margin-top: 0;
  margin-bottom: 12px;
}

.article-cover-figure{
  margin: 0;
  border-radius: 28px;
  overflow:hidden;
  box-shadow: 0 20px 48px rgba(15,23,42,.14);
  border: 1px solid rgba(99,102,241,.12);
}
.article-cover{
  width: 100%;
  display:block;
  aspect-ratio: 16/9;
  object-fit: cover;
  background: linear-gradient(135deg, #eef2ff, #dbeafe);
}

.article-info-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 14px;
}
.article-info-box{
  padding:18px 18px 16px;
  border-radius:20px;
  background: linear-gradient(135deg, rgba(109,40,217,.07), rgba(37,99,235,.06));
  border: 1px solid rgba(99,102,241,.12);
}
.article-info-box strong{
  display:block;
  margin-bottom:8px;
  font-size:15px;
  color: var(--na-text);
}
.article-info-box p{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:#475569;
}

.article-note{
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(99,102,241,.14);
  background: linear-gradient(135deg, rgba(109,40,217,.08), rgba(37,99,235,.06));
}
.article-note strong{
  display:block;
  margin-bottom:6px;
}
.article-note-success{
  color:#0f172a;
}

.article-content,
.article-prose{
  background: var(--na-card);
  border: 1px solid rgba(99,102,241,.10);
  border-radius: 28px;
  box-shadow: var(--na-shadow);
  padding: clamp(24px, 4vw, 42px);
  counter-reset: section;
}

.article-content > :is(p,h2,h3,h4,h5,h6,ul,ol,blockquote,details,.article-note,.blog-cta,.topic-cluster,.article-tags,.comment-form-wrap){
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}

.article-content > :first-child{
  margin-top: 0;
}

.article-content h1{
  display:none;
}

.article-content h2{
  counter-increment: section;
  position: relative;
  display:flex;
  align-items:center;
  gap: 14px;
  margin-top: 42px;
  margin-bottom: 14px;
  padding-top: 6px;
  font-size: clamp(24px, 2.2vw, 34px);
  line-height: 1.18;
  color: var(--na-text);
  scroll-margin-top: 96px;
}
.article-content h2::before{
  content: counter(section, decimal-leading-zero);
  min-width: 44px;
  height: 44px;
  display:inline-grid;
  place-items:center;
  border-radius: 999px;
  background: linear-gradient(135deg, rgba(109,40,217,.14), rgba(37,99,235,.14));
  color: var(--na-primary);
  font-size: 15px;
  font-weight: 900;
  flex: 0 0 auto;
}
.article-content h2::after{
  content:"";
  height: 1px;
  flex: 1;
  background: linear-gradient(90deg, rgba(109,40,217,.35), rgba(37,99,235,.06));
  border-radius: 999px;
}
.article-content h3{
  margin-top: 30px;
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.3;
  color: var(--na-text);
  scroll-margin-top: 96px;
}
.article-content h3::before{
  content:"";
  display:inline-block;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  margin-right: 10px;
  vertical-align: middle;
  background: linear-gradient(135deg, var(--na-primary), var(--na-primary-2));
  box-shadow: 0 0 0 4px rgba(109,40,217,.08);
}
.article-content p{
  margin: 0 0 18px;
  font-size: 18px;
  line-height: 1.95;
  color: #243046;
}
.article-content strong{
  color: #111827;
}
.article-content a{
  color: var(--na-primary-2);
  text-decoration: none;
  font-weight: 700;
  background: linear-gradient(180deg, transparent 65%, rgba(37,99,235,.10) 65%);
}
.article-content a:hover{
  text-decoration: underline;
}
.article-content mark{
  padding: 0 .25em;
  border-radius: .35em;
  background: rgba(250, 204, 21, .22);
  color: inherit;
}
.article-content ul{
  margin: 0 0 20px;
  padding-left: 0;
  list-style: none;
}
.article-content ul li{
  position: relative;
  margin: 10px 0;
  padding-left: 30px;
  line-height: 1.8;
  color: #243046;
}
.article-content ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:.78em;
  width:11px;
  height:11px;
  border-radius:999px;
  background: linear-gradient(135deg, var(--na-primary), var(--na-primary-2));
  box-shadow: 0 0 0 4px rgba(109,40,217,.08);
}
.article-content ol{
  margin: 0 0 20px;
  padding-left: 24px;
}
.article-content ol li{
  margin: 10px 0;
  line-height: 1.8;
  color: #243046;
}
.article-content blockquote{
  position: relative;
  margin: 22px 0 24px;
  padding: 18px 20px 18px 22px;
  background: linear-gradient(135deg, rgba(109,40,217,.06), rgba(37,99,235,.05));
  border: 1px solid rgba(99,102,241,.14);
  border-radius: 20px;
  color: #334155;
}
.article-content blockquote::before{
  content:"“";
  position:absolute;
  top:-8px;
  left: 14px;
  font-size: 62px;
  line-height: 1;
  color: rgba(109,40,217,.25);
}
.article-content blockquote p:last-child{
  margin-bottom:0;
}
.article-content img{
  max-width:100%;
  height:auto;
  display:block;
  border-radius: 18px;
  box-shadow: 0 12px 30px rgba(15,23,42,.10);
  border: 1px solid rgba(99,102,241,.12);
  margin: 18px auto 24px;
}
.article-content figure{
  margin: 20px 0 24px;
}
.article-content figcaption{
  margin-top: 8px;
  font-size: 13px;
  color: var(--na-muted);
  text-align: center;
}
.article-content hr{
  border:0;
  height:1px;
  background: linear-gradient(90deg, transparent, rgba(109,40,217,.25), transparent);
  margin: 24px 0;
}
.article-content pre{
  background: #0f172a;
  color: #e2e8f0;
  border-radius: 18px;
  padding: 18px 20px;
  overflow:auto;
  font-size: 14px;
  line-height: 1.7;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.04);
}
.article-content code{
  background: rgba(15,23,42,.06);
  color: #111827;
  padding: 0.18em 0.42em;
  border-radius: 8px;
  font-size: .92em;
}
.article-content pre code{
  background: transparent;
  color: inherit;
  padding: 0;
}
.article-content table{
  width:100%;
  border-collapse: separate;
  border-spacing: 0;
  margin: 18px 0 24px;
  overflow:hidden;
  border: 1px solid rgba(99,102,241,.14);
  border-radius: 18px;
  box-shadow: 0 10px 30px rgba(15,23,42,.05);
}
.article-content table th,
.article-content table td{
  padding: 14px 15px;
  border-bottom: 1px solid rgba(99,102,241,.12);
  vertical-align: top;
}
.article-content table th{
  background: linear-gradient(135deg, rgba(109,40,217,.11), rgba(37,99,235,.10));
  color: var(--na-text);
  text-align:left;
  font-size: 15px;
}
.article-content table tr:nth-child(even) td{
  background: rgba(248,250,252,.72);
}
.article-content table tr:hover td{
  background: rgba(37,99,235,.03);
}

.article-content details{
  border: 1px solid rgba(99,102,241,.14);
  background: rgba(255,255,255,.9);
  border-radius: 18px;
  overflow: hidden;
}
.article-content details + details{
  margin-top: 12px;
}
.article-content summary{
  list-style: none;
  cursor:pointer;
  padding: 16px 18px;
  font-weight: 800;
  color: var(--na-text);
  position: relative;
}
.article-content summary::-webkit-details-marker{
  display:none;
}
.article-content summary::after{
  content:"+";
  position:absolute;
  right: 16px;
  top: 12px;
  width: 28px;
  height: 28px;
  display:grid;
  place-items:center;
  border-radius: 999px;
  background: rgba(109,40,217,.10);
  color: var(--na-primary);
  font-size: 18px;
  line-height: 1;
}
.article-content details[open] summary{
  border-bottom: 1px solid rgba(99,102,241,.10);
}
.article-content details[open] summary::after{
  content:"–";
}
.article-content details .faq-answer{
  padding: 0 18px 18px;
}

.article-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top: 6px;
}
.article-tags a{
  display:inline-flex;
  align-items:center;
  padding: 9px 12px;
  border-radius: 999px;
  background: rgba(99,102,241,.06);
  border: 1px solid rgba(99,102,241,.12);
  color: var(--na-text);
  text-decoration:none;
  font-weight: 700;
  font-size: 14px;
}
.article-tags a:hover{
  border-color: rgba(37,99,235,.25);
  box-shadow: 0 10px 24px rgba(37,99,235,.08);
}

.topic-cluster{
  padding: 22px;
}
.topic-cluster h3{
  color: var(--na-text);
  margin-top: 0;
  margin-bottom: 8px;
}
.topic-cluster p{
  margin: 0 0 12px;
  color: var(--na-muted);
  font-size: 15px;
  line-height: 1.75;
}
.topic-cluster ul{
  margin: 0;
  padding-left: 18px;
}
.topic-cluster ul li{
  margin: 8px 0;
  line-height:1.75;
}
.topic-cluster ul li::before{
  content:"";
  display:none;
}
.topic-cluster a{
  color: var(--na-primary-2);
  font-weight:700;
  text-decoration: underline;
  background: none;
}

.blog-cta{
  margin: 0;
  padding: 24px;
  border-radius: 24px;
  background: linear-gradient(135deg, var(--na-primary), var(--na-primary-2));
  color: #fff;
  box-shadow: 0 24px 50px rgba(37,99,235,.18);
}
.blog-cta h3{
  margin:0 0 8px;
  color:#fff;
}
.blog-cta p{
  margin:0 0 16px;
  color: rgba(255,255,255,.92);
}
.blog-cta a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding: 12px 16px;
  border-radius: 999px;
  background: #fff;
  color: #0f172a;
  font-weight: 800;
  text-decoration:none;
  box-shadow: 0 10px 22px rgba(15,23,42,.08);
}

.blog-related{
  padding: 22px;
}
.blog-related-grid{
  display:grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.blog-related-card{
  display:block;
  padding: 14px;
  border: 1px solid rgba(99,102,241,.10);
  border-radius: 18px;
  text-decoration:none;
  color: var(--na-text);
  background: linear-gradient(180deg, #fff, rgba(99,102,241,.03));
  transition: .2s ease;
}
.blog-related-card:hover{
  transform: translateY(-2px);
  box-shadow: 0 12px 26px rgba(15,23,42,.08);
  border-color: rgba(37,99,235,.24);
}
.blog-related-card strong{
  display:block;
  margin-top: 8px;
  line-height: 1.5;
}
.blog-related-card img{
  width:100%;
  aspect-ratio: 4/3;
  object-fit:cover;
  border-radius: 14px;
  box-shadow:none;
  margin:0;
}

.article-author{
  padding: 22px;
}
.article-author h2{
  margin-bottom: 14px;
}
.article-author-inner{
  display:flex;
  gap: 16px;
  align-items:flex-start;
}
.article-avatar{
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--na-primary), var(--na-primary-2));
  flex: 0 0 auto;
  box-shadow: 0 12px 28px rgba(37,99,235,.18);
}
.article-author p{
  margin: 6px 0 0;
  color: var(--na-muted);
  line-height: 1.8;
}

.blog-comments{
  padding: 22px;
}
.blog-comment{
  border-top: 1px solid rgba(99,102,241,.10);
  padding: 16px 0;
}
.blog-comment:first-child{
  border-top: 0;
  padding-top: 0;
}
.blog-comment strong{
  display:block;
}
.blog-comment span{
  display:block;
  margin-top: 4px;
  color: var(--na-muted);
  font-size: 13px;
}
.blog-comment p{
  margin: 10px 0 0;
  line-height: 1.8;
}
.comment-form-wrap{
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid rgba(99,102,241,.12);
}
.comment-form-wrap h3{
  margin-top:0;
  margin-bottom: 12px;
  color: var(--na-text);
}
.blog-comment-form{
  max-width: 100%;
}
.blog-comment-grid{
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.blog-wide{
  grid-column: 1 / -1;
}

.share-buttons{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
}
.share-btn{
  border:1px solid rgba(99,102,241,.16);
  background: linear-gradient(135deg, rgba(109,40,217,.05), rgba(37,99,235,.05));
  color:#0f172a;
  padding:10px 14px;
  border-radius:999px;
  cursor:pointer;
  font-weight:700;
  transition:.2s ease;
}
.share-btn:hover{
  transform:translateY(-1px);
  box-shadow:0 12px 24px rgba(15,23,42,.08);
}

.back-to-top{
  position:fixed;
  right:18px;
  bottom:18px;
  width:46px;
  height:46px;
  border:0;
  border-radius:999px;
  background:linear-gradient(135deg, var(--na-primary), var(--na-primary-2));
  color:#fff;
  box-shadow:0 14px 32px rgba(37,99,235,.22);
  cursor:pointer;
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:.22s ease;
  z-index:90;
}
.back-to-top.is-visible{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

@media (max-width: 1100px){
  .article-layout{
    grid-template-columns:1fr;
  }
  .article-sidebar{
    position: static;
    top: auto;
    order: -1;
  }
  .article-card.article-toc{
    position: static;
    top: auto;
  }
  .blog-related-grid{
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px){
  .article-shell{
    padding-top: 18px;
  }
  .article-hero{
    border-radius: 24px;
  }
  .article-info-grid,
  .blog-comment-grid{
    grid-template-columns: 1fr;
  }
  .article-content{
    border-radius: 24px;
    padding: 20px 18px 24px;
  }
  .article-content p{
    font-size: 16px;
  }
  .article-content h2{
    font-size: 24px;
  }
  .article-content h2::before{
    min-width: 40px;
    height: 40px;
  }
  .article-content table th,
  .article-content table td{
    padding: 12px 10px;
  }
}

/* ===== Prev / Next navigation ===== */
.article-prevnext{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:28px 0}
.pn-card{display:flex;flex-direction:column;gap:6px;padding:16px 18px;border:1px solid #e2e8f0;border-radius:16px;background:#fff;text-decoration:none;color:#0f172a;transition:border-color .15s ease,box-shadow .15s ease}
.pn-card span{font-size:12.5px;font-weight:800;color:#64748b;text-transform:uppercase;letter-spacing:.04em}
.pn-card strong{font-size:15px;line-height:1.45}
.pn-card:hover{border-color:#2563eb;box-shadow:0 10px 26px rgba(37,99,235,.12)}
.pn-next{text-align:right;align-items:flex-end}
@media (max-width:640px){.article-prevnext{grid-template-columns:1fr}.pn-next{text-align:left;align-items:flex-start}}