/* ═══════════════════════════════════════════════════════
   NUVIO ONE — BLOG / RESOURCES EXTENSION STYLES
   Include AFTER style.css:
     <link href="css/style.css" rel="stylesheet" />
     <link href="css/blog-extras.css" rel="stylesheet" />
   ═══════════════════════════════════════════════════════ */

/* ──────────── PAGE HERO (resources + blog posts) ──────────── */
.page-hero {
  background: linear-gradient(175deg, #EEF4FF 0%, #F8FAFF 55%, var(--white) 100%);
  padding: 110px 0 64px;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute; inset: 0;
  background-image:
    linear-gradient(var(--blue-lt) 1px, transparent 1px),
    linear-gradient(90deg, var(--blue-lt) 1px, transparent 1px);
  background-size: 50px 50px;
  opacity: 0.45;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 0%, black 20%, transparent 100%);
}

/* ──────────── BREADCRUMB ──────────── */
.breadcrumb-nuvio {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.78rem; font-weight: 500; color: var(--gray-500);
  margin-bottom: 1.4rem; list-style: none; padding: 0;
}
.breadcrumb-nuvio a { color: var(--gray-500); text-decoration: none; transition: color 0.2s; }
.breadcrumb-nuvio a:hover { color: var(--blue); }
.breadcrumb-nuvio .bc-sep { color: var(--gray-300); font-size: 0.7rem; }
.breadcrumb-nuvio .bc-current { color: var(--navy); font-weight: 600; }

/* ──────────── CATEGORY CHIPS (blog) ──────────── */
.cat-product  { background: var(--blue-lt);   color: var(--blue);   border: 1px solid rgba(33,118,255,0.2); }
.cat-industry { background: var(--violet-lt); color: var(--violet); border: 1px solid rgba(124,58,237,0.2); }
.cat-tips     { background: var(--cyan-lt);   color: var(--cyan);   border: 1px solid rgba(0,184,198,0.2); }
.cat-chip {
  display: inline-flex; align-items: center; gap: 0.3rem;
  font-size: 0.7rem; font-weight: 700;
  padding: 0.25rem 0.65rem; border-radius: 20px;
  letter-spacing: 0.06em; text-transform: uppercase;
}

/* ──────────── BLOG LISTING PAGE ──────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}
.blog-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: 18px; overflow: hidden;
  transition: box-shadow 0.25s, transform 0.2s;
  display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
}
.blog-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
  border-color: rgba(33,118,255,0.2);
}
.blog-card-thumb {
  height: 180px; position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
}
.blog-card-thumb .thumb-icon {
  font-size: 3rem; opacity: 0.18;
}
.blog-card-thumb .thumb-label {
  position: absolute; bottom: 1rem; left: 1.2rem;
}
.blog-card-body {
  padding: 1.4rem 1.5rem 1.8rem; flex: 1; display: flex; flex-direction: column;
}
.blog-card-title {
  font-size: 1.02rem; font-weight: 800; color: var(--navy);
  line-height: 1.35; margin: 0.65rem 0 0.6rem;
  letter-spacing: -0.02em;
}
.blog-card-excerpt {
  font-size: 0.86rem; color: var(--gray-500);
  line-height: 1.75; flex: 1; margin-bottom: 1.2rem;
}
.blog-card-meta {
  display: flex; align-items: center; gap: 0.6rem;
  font-size: 0.75rem; color: var(--gray-500);
  padding-top: 1rem; border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.blog-card-meta .meta-dot { color: var(--gray-300); }
.blog-card-read {
  margin-left: auto; color: var(--blue); font-weight: 700; font-size: 0.78rem;
  display: inline-flex; align-items: center; gap: 0.25rem;
  white-space: nowrap;
}

/* Featured card (first/large card) */
.blog-card.featured {
  grid-column: 1 / -1;
  flex-direction: row;
}
.blog-card.featured .blog-card-thumb {
  width: 380px; min-width: 320px; height: auto; flex-shrink: 0;
}
.blog-card.featured .blog-card-title {
  font-size: 1.3rem;
}
.blog-card.featured .blog-card-excerpt {
  font-size: 0.93rem;
}

/* ──────────── BLOG FILTER BAR ──────────── */
.blog-filter-bar {
  display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap;
  margin-bottom: 2.5rem;
}
.filter-btn {
  padding: 0.4rem 1rem; border-radius: 20px;
  font-size: 0.8rem; font-weight: 600; border: 1px solid var(--border);
  background: #fff; color: var(--gray-500); cursor: pointer;
  transition: all 0.2s; font-family: 'Poppins', sans-serif;
}
.filter-btn:hover { border-color: var(--blue); color: var(--blue); }
.filter-btn.active { background: var(--blue); color: #fff; border-color: var(--blue); }

/* ──────────── ARTICLE PAGE ──────────── */
.article-header-wrap {
  max-width: 760px; margin: 0 auto;
}
.article-hero-thumb {
  width: 100%; height: 380px; border-radius: 18px; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  margin: 2.5rem 0; position: relative;
}
.article-hero-thumb .thumb-icon-lg {
  font-size: 5rem; opacity: 0.15;
}
.article-hero-thumb .thumb-pattern {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.article-meta-row {
  display: flex; align-items: center; gap: 0.7rem;
  flex-wrap: wrap; margin: 1rem 0 0;
  font-size: 0.8rem; color: var(--gray-500);
}
.article-meta-row .meta-sep { color: var(--gray-300); }
.article-author {
  display: flex; align-items: center; gap: 0.55rem;
}
.author-avatar {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--blue-lt); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.6rem; font-weight: 800; flex-shrink: 0;
}

/* ──────────── ARTICLE BODY TYPOGRAPHY ──────────── */
.article-body {
  max-width: 760px; margin: 0 auto;
  font-size: 1rem; color: var(--gray-700); line-height: 1.85;
}
.article-body h2 {
  font-size: 1.5rem; font-weight: 900; color: var(--navy);
  letter-spacing: -0.03em; line-height: 1.2;
  margin: 2.8rem 0 1rem;
}
.article-body h3 {
  font-size: 1.15rem; font-weight: 800; color: var(--navy);
  letter-spacing: -0.02em; margin: 2rem 0 0.7rem;
}
.article-body p { margin-bottom: 1.4rem; }
.article-body ul, .article-body ol {
  padding-left: 1.5rem; margin-bottom: 1.4rem;
}
.article-body li { margin-bottom: 0.5rem; }
.article-body strong { color: var(--navy); font-weight: 700; }
.article-body a { color: var(--blue); text-decoration: none; font-weight: 600; }
.article-body a:hover { text-decoration: underline; }
.article-body hr {
  border: none; border-top: 1px solid var(--border);
  margin: 2.8rem 0;
}

/* Callout / pull quote box */
.article-callout {
  background: var(--blue-lt); border-left: 3px solid var(--blue);
  border-radius: 0 12px 12px 0;
  padding: 1.2rem 1.5rem; margin: 2rem 0;
}
.article-callout p {
  font-size: 1.02rem; font-weight: 600; color: var(--navy);
  margin: 0; line-height: 1.6;
}
.article-callout.green {
  background: var(--green-lt); border-left-color: var(--green);
}
.article-callout.green p { color: var(--gray-700); }
.article-callout.amber {
  background: var(--amber-lt); border-left-color: var(--amber);
}

/* Article stat highlight boxes */
.article-stat-row {
  display: grid; grid-template-columns: repeat(3,1fr);
  gap: 1rem; margin: 2rem 0;
}
.article-stat-box {
  background: var(--gray-50); border: 1px solid var(--border);
  border-radius: 12px; padding: 1.2rem; text-align: center;
}
.article-stat-box .stat-val {
  font-size: 1.8rem; font-weight: 900; color: var(--blue);
  letter-spacing: -0.04em; line-height: 1;
}
.article-stat-box .stat-lbl {
  font-size: 0.78rem; color: var(--gray-500); margin-top: 0.3rem; line-height: 1.4;
}

/* ──────────── ARTICLE TAGS ──────────── */
.article-tags {
  display: flex; gap: 0.5rem; flex-wrap: wrap;
  margin: 2.5rem 0;
}
.article-tag {
  font-size: 0.76rem; font-weight: 600; padding: 0.3rem 0.8rem;
  border-radius: 20px; background: var(--gray-100); color: var(--gray-500);
  text-decoration: none; transition: all 0.2s;
}
.article-tag:hover { background: var(--blue-lt); color: var(--blue); }

/* ──────────── AUTHOR BIO CARD ──────────── */
.author-bio-card {
  background: var(--gray-50); border: 1px solid var(--border);
  border-radius: 16px; padding: 1.5rem 1.8rem;
  display: flex; gap: 1.2rem; align-items: center;
  margin: 3rem 0;
}
.author-bio-avatar {
  width: 52px; height: 52px; border-radius: 50%; flex-shrink: 0;
  background: var(--blue-lt); color: var(--blue);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 800;
}
.author-bio-name { font-size: 0.95rem; font-weight: 800; color: var(--navy); }
.author-bio-role { font-size: 0.82rem; color: var(--gray-500); margin-bottom: 0.3rem; }
.author-bio-text { font-size: 0.84rem; color: var(--gray-500); line-height: 1.65; margin: 0; }

/* ──────────── RELATED POSTS ──────────── */
.related-section { border-top: 1px solid var(--border); padding-top: 3rem; margin-top: 1rem; }
.related-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 1.2rem; }
.related-card {
  background: #fff; border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
  text-decoration: none; color: inherit;
  transition: box-shadow 0.2s, transform 0.2s;
  display: flex; flex-direction: column;
}
.related-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.related-card-thumb { height: 110px; position: relative; }
.related-card-body { padding: 1rem 1.1rem 1.2rem; }
.related-card-title {
  font-size: 0.88rem; font-weight: 700; color: var(--navy);
  line-height: 1.4; margin: 0.5rem 0 0.4rem;
}
.related-card-meta { font-size: 0.73rem; color: var(--gray-500); }

/* ──────────── ARTICLE SIDEBAR STICKY CTA ──────────── */
.article-layout {
  display: grid; grid-template-columns: 1fr 280px;
  gap: 3rem; align-items: start; max-width: 1100px; margin: 0 auto;
}
.article-sidebar { position: sticky; top: 90px; }
.sidebar-cta-card {
  background: var(--navy); border-radius: 18px;
  padding: 1.8rem; color: #fff; margin-bottom: 1.5rem;
}
.sidebar-cta-card h5 {
  font-size: 1rem; font-weight: 800; color: #fff;
  margin-bottom: 0.5rem; letter-spacing: -0.02em;
}
.sidebar-cta-card p { font-size: 0.84rem; color: rgba(255,255,255,0.55); line-height: 1.6; margin-bottom: 1.2rem; }
.sidebar-cta-card a {
  display: block; text-align: center;
  background: var(--blue); color: #fff;
  padding: 0.75rem; border-radius: 10px;
  font-weight: 700; font-size: 0.88rem; text-decoration: none;
  transition: background 0.2s;
}
.sidebar-cta-card a:hover { background: var(--blue-hover); }
.sidebar-toc {
  background: var(--gray-50); border: 1px solid var(--border);
  border-radius: 14px; padding: 1.2rem 1.4rem;
}
.sidebar-toc h6 {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--gray-500); margin-bottom: 0.9rem;
}
.toc-list { list-style: none; padding: 0; margin: 0; }
.toc-list li { margin-bottom: 0.3rem; }
.toc-list a {
  font-size: 0.82rem; color: var(--gray-500); text-decoration: none;
  display: flex; align-items: flex-start; gap: 0.4rem;
  transition: color 0.15s; line-height: 1.45;
  padding: 0.2rem 0;
}
.toc-list a:hover { color: var(--blue); }
.toc-list a::before {
  content: ''; width: 3px; height: 3px; border-radius: 50%;
  background: var(--gray-300); flex-shrink: 0; margin-top: 0.45rem;
}

/* ──────────── RESPONSIVE BLOG ──────────── */
@media (max-width: 991px) {
  .blog-card.featured { flex-direction: column; }
  .blog-card.featured .blog-card-thumb { width: 100%; height: 200px; }
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .article-stat-row { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .blog-grid { grid-template-columns: 1fr; }
  .article-stat-row { grid-template-columns: 1fr; }
  .article-hero-thumb { height: 220px; }
  .author-bio-card { flex-direction: column; text-align: center; }
}