/* ============================================================
   AiLoveKit Blog - blog.ailovekit.com
   Built on the redesign v2 design tokens (redesign.css).
   ============================================================ */

.blog-main { position: relative; z-index: 1; max-width: 1280px; margin: 0 auto; padding: 48px 24px 80px; }

/* ---------- Blog hero ---------- */
.blog-hero { text-align: center; max-width: 820px; margin: 0 auto 40px; }
.blog-hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 14px; border-radius: 999px;
  background: var(--brand-primary-dim); border: 1px solid var(--border-brand);
  color: var(--brand-primary-light); font-size: 12px; font-weight: 700; letter-spacing: 1.2px;
  text-transform: uppercase; margin-bottom: 18px;
}
.blog-hero h1 { font-size: clamp(30px, 4.5vw, 46px); font-weight: 800; letter-spacing: -1.2px; line-height: 1.15; margin-bottom: 14px; }
.blog-hero h1 em { font-style: normal; background: linear-gradient(120deg, var(--brand-primary-light), var(--accent-violet)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.blog-hero p { color: var(--text-secondary); font-size: 17px; max-width: 640px; margin: 0 auto; }

/* ---------- Category chips ---------- */
.cat-bar { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin: 28px 0 44px; }
.cat-chip {
  display: inline-flex; align-items: center; gap: 8px; padding: 9px 18px; border-radius: 999px;
  background: var(--bg-secondary); border: 1px solid var(--border-default); color: var(--text-secondary);
  font-size: 14px; font-weight: 600; text-decoration: none; transition: all 0.2s;
}
.cat-chip:hover { border-color: var(--border-hover); color: var(--text-primary); transform: translateY(-1px); }
.cat-chip.active { background: var(--brand-primary-dim); border-color: var(--border-brand); color: var(--brand-primary-light); }
.cat-chip .count { font-size: 12px; color: var(--text-muted); }
.cat-chip.active .count { color: var(--brand-primary-light); opacity: 0.8; }

/* ---------- Featured post ---------- */
.featured {
  display: grid; grid-template-columns: 1.15fr 1fr; gap: 0; border-radius: var(--radius-xl);
  background: var(--bg-secondary); border: 1px solid var(--border-default); overflow: hidden;
  margin-bottom: 48px; text-decoration: none; color: inherit; transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.featured:hover { border-color: var(--border-brand); transform: translateY(-3px); box-shadow: var(--shadow-brand-lg); }
.featured-art {
  position: relative; min-height: 300px; display: flex; align-items: center; justify-content: center;
  background: radial-gradient(120% 120% at 20% 15%, var(--brand-primary-dim), transparent 55%),
              radial-gradient(120% 120% at 85% 90%, var(--accent-violet-dim), transparent 55%),
              var(--bg-tertiary);
  border-right: 1px solid var(--border-subtle); overflow: hidden;
}
.featured-art .art-icon { width: 96px; height: 96px; color: var(--brand-primary-light); opacity: 0.9; filter: drop-shadow(0 8px 24px var(--brand-primary-glow)); }
.featured-art .art-grid { 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: 34px 34px; }
.featured-body { padding: 36px 38px; display: flex; flex-direction: column; justify-content: center; gap: 14px; }
.featured-body h2 { font-size: 26px; font-weight: 800; letter-spacing: -0.5px; line-height: 1.25; }
.featured-body p.excerpt { color: var(--text-secondary); font-size: 15px; }
.featured .read-more { color: var(--brand-primary-light); font-weight: 700; font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }

/* ---------- Post meta / badges ---------- */
.post-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; font-size: 13px; color: var(--text-muted); }
.badge {
  display: inline-block; padding: 4px 11px; border-radius: 999px; font-size: 11.5px; font-weight: 700;
  letter-spacing: 0.4px; text-transform: uppercase;
}
.badge.pdf-tips { background: var(--accent-blue-dim); color: var(--accent-blue); }
.badge.privacy-security { background: var(--accent-emerald-dim); color: var(--accent-emerald); }
.badge.tool-comparisons { background: var(--accent-amber-dim); color: var(--accent-amber); }
.badge.ai-insights { background: var(--accent-violet-dim); color: var(--accent-violet); }
.post-meta .dot { opacity: 0.5; }

/* ---------- Post grid ---------- */
.post-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.post-card {
  display: flex; flex-direction: column; gap: 12px; padding: 26px; border-radius: var(--radius-lg);
  background: var(--bg-secondary); border: 1px solid var(--border-default); text-decoration: none; color: inherit;
  transition: border-color 0.25s, transform 0.25s, box-shadow 0.25s;
}
.post-card:hover { border-color: var(--border-brand); transform: translateY(-3px); box-shadow: var(--shadow-md); }
.post-card h3 { font-size: 18px; font-weight: 700; letter-spacing: -0.3px; line-height: 1.35; }
.post-card p.excerpt { color: var(--text-secondary); font-size: 14px; flex-grow: 1; }
.post-card .read-more { color: var(--brand-primary-light); font-weight: 700; font-size: 13px; display: inline-flex; align-items: center; gap: 6px; }

.section-label { display: flex; align-items: center; gap: 14px; margin: 0 0 22px; }
.section-label h2 { font-size: 22px; font-weight: 800; letter-spacing: -0.4px; }
.section-label .line { flex: 1; height: 1px; background: var(--border-subtle); }

/* ---------- CTA band ---------- */
.blog-cta {
  margin-top: 56px; padding: 40px; border-radius: var(--radius-xl); text-align: center;
  background: linear-gradient(135deg, var(--brand-primary-dim), var(--accent-violet-dim));
  border: 1px solid var(--border-brand);
}
.blog-cta h2 { font-size: 24px; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 8px; }
.blog-cta p { color: var(--text-secondary); margin-bottom: 20px; }

/* ============================================================
   Article page
   ============================================================ */
.article-main { position: relative; z-index: 1; max-width: 860px; margin: 0 auto; padding: 40px 24px 80px; }
.article-head { margin-bottom: 30px; }
.article-head h1 { font-size: clamp(28px, 4vw, 42px); font-weight: 800; letter-spacing: -1px; line-height: 1.18; margin: 18px 0 16px; }
.article-head .lede { font-size: 18px; color: var(--text-secondary); line-height: 1.6; }
.byline { display: flex; align-items: center; gap: 12px; margin-top: 20px; padding: 14px 18px; border-radius: var(--radius-md); background: var(--bg-secondary); border: 1px solid var(--border-subtle); }
.byline .avatar { width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-dark)); display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 800; font-size: 15px; flex-shrink: 0; }
.byline .who { font-size: 14px; }
.byline .who strong { display: block; color: var(--text-primary); }
.byline .who span { color: var(--text-muted); font-size: 13px; }

/* article body typography */
.article-body { font-size: 16.5px; line-height: 1.75; color: var(--text-primary); }
.article-body > p { margin: 0 0 18px; color: var(--text-primary); text-align: justify; hyphens: auto; }
.article-body strong { font-weight: 700; }
.article-body h2 { font-size: 26px; font-weight: 800; letter-spacing: -0.5px; margin: 44px 0 16px; line-height: 1.3; }
.article-body h3 { font-size: 20px; font-weight: 700; margin: 32px 0 12px; }
.article-body ul, .article-body ol { margin: 0 0 20px 22px; }
.article-body li { margin-bottom: 8px; color: var(--text-primary); text-align: justify; hyphens: auto; }
.article-body li::marker { color: var(--brand-primary); }
.article-body a { color: var(--brand-primary-light); text-decoration: none; border-bottom: 1px solid var(--border-brand); }
.article-body a:hover { border-bottom-color: var(--brand-primary-light); }
.article-body blockquote {
  margin: 26px 0; padding: 18px 24px; border-left: 3px solid var(--brand-primary);
  background: var(--brand-primary-dim); border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--text-primary); font-size: 16px;
}
.article-body blockquote p { margin: 0; text-align: justify; hyphens: auto; }
.article-body code { font-family: var(--font-mono); font-size: 0.88em; background: var(--bg-tertiary); padding: 2px 7px; border-radius: 6px; }
.article-body pre { background: var(--bg-secondary); border: 1px solid var(--border-default); border-radius: var(--radius-md); padding: 18px; overflow-x: auto; margin: 0 0 22px; }
.article-body pre code { background: none; padding: 0; font-size: 13.5px; line-height: 1.6; }
.article-body table { width: 100%; border-collapse: collapse; margin: 8px 0 24px; font-size: 14.5px; }
.article-body th, .article-body td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border-subtle); }
.article-body th { color: var(--text-secondary); font-weight: 700; font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.6px; background: var(--bg-secondary); }
.article-body td { color: var(--text-primary); }
.article-body .callout {
  display: flex; gap: 14px; padding: 18px 20px; margin: 24px 0; border-radius: var(--radius-md);
  background: var(--accent-emerald-dim); border: 1px solid rgba(16,185,129,0.25); font-size: 15px;
}
.article-body .callout .co-icon { flex-shrink: 0; width: 22px; height: 22px; color: var(--accent-emerald); }
.article-body .callout p { margin: 0; text-align: justify; hyphens: auto; }

/* key takeaways box */
.takeaways { margin: 28px 0; padding: 24px 26px; border-radius: var(--radius-lg); background: var(--bg-secondary); border: 1px solid var(--border-default); }
.takeaways h3 { margin: 0 0 12px; font-size: 15px; text-transform: uppercase; letter-spacing: 1px; color: var(--brand-primary-light); }
.takeaways ul { margin: 0 0 0 20px; }
.takeaways li { margin-bottom: 6px; font-size: 15px; text-align: justify; hyphens: auto; }

/* table of contents */
.article-body .toc { margin: 28px 0; padding: 24px 26px; border-radius: var(--radius-lg); background: var(--bg-secondary); border: 1px solid var(--border-default); }
.article-body .toc h2 { margin: 0 0 12px; font-size: 15px; text-transform: uppercase; letter-spacing: 1px; color: var(--brand-primary-light); }
.article-body .toc ol { margin: 0 0 0 20px; padding: 0; display: grid; gap: 6px; }
.article-body .toc li { font-size: 15px; }
.article-body .toc a { color: var(--text-primary); text-decoration: none; border-bottom: 1px dashed var(--border-default); transition: color .15s ease, border-color .15s ease; }
.article-body .toc a:hover { color: var(--brand-primary-light); border-bottom-color: var(--brand-primary-light); }

/* article footer nav */
.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 36px 0 0; }
.article-tags span { padding: 5px 13px; border-radius: 999px; background: var(--bg-secondary); border: 1px solid var(--border-subtle); font-size: 12.5px; color: var(--text-secondary); }
.article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 40px; }
.article-nav a {
  padding: 18px 20px; border-radius: var(--radius-md); background: var(--bg-secondary); border: 1px solid var(--border-default);
  text-decoration: none; color: var(--text-primary); font-size: 14px; transition: border-color 0.2s;
}
.article-nav a:hover { border-color: var(--border-brand); }
.article-nav a small { display: block; color: var(--text-muted); font-size: 12px; margin-bottom: 5px; text-transform: uppercase; letter-spacing: 0.8px; }
.article-nav a.next { text-align: right; }

/* related posts */
.related { margin-top: 48px; }
.related h2 { font-size: 20px; font-weight: 800; letter-spacing: -0.3px; margin-bottom: 18px; }
.related .post-grid { grid-template-columns: repeat(3, 1fr); }

/* breadcrumb (blog) */
.crumbs { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text-muted); margin-bottom: 8px; flex-wrap: wrap; }
.crumbs a { color: var(--text-muted); text-decoration: none; }
.crumbs a:hover { color: var(--brand-primary-light); }
.crumbs .sep { opacity: 0.5; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .post-grid, .related .post-grid { grid-template-columns: repeat(2, 1fr); }
  .featured { grid-template-columns: 1fr; }
  .featured-art { min-height: 190px; border-right: none; border-bottom: 1px solid var(--border-subtle); }
}
@media (max-width: 620px) {
  .article-body > p, .article-body li, .takeaways li, .article-body .callout p, .article-body blockquote p { text-align: left; hyphens: none; }
  .post-grid, .related .post-grid { grid-template-columns: 1fr; }
  .article-nav { grid-template-columns: 1fr; }
  .article-nav a.next { text-align: left; }
  .featured-body { padding: 26px; }
  .blog-cta { padding: 28px 20px; }
}