/* ============================================================
   DefineDebug — blog.css
   Blog index + article pages. Loaded after site.css and reuses
   its tokens, header, footer, buttons and reveal animations.
   ============================================================ */

:root { --dark: #111827; }

/* Reading progress */
.scroll-bar { position: fixed; top: 0; left: 0; height: 3px; width: 0; background: var(--grad); z-index: 200; transition: width .1s linear; }

/* ── Shared post card ── */
.blog-index-card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden;
  display: flex; flex-direction: column; transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.blog-index-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.blog-index-visual { height: 170px; position: relative; overflow: hidden; }
.blog-index-visual { background: var(--stripes), var(--bg-soft); border-bottom: 1px solid var(--line); }
.blog-index-visual::before {
  content: ""; position: absolute; left: 24px; bottom: 22px; width: 54px; height: 54px; border-radius: 14px;
  background: #fff; border: 1px solid var(--line-2); transition: transform .5s var(--ease);
}
.blog-index-visual::after {
  content: ""; position: absolute; left: 41px; bottom: 39px; width: 20px; height: 20px; border-radius: 6px; background: var(--blue);
  transition: transform .5s var(--ease);
}
.blog-index-card:hover .blog-index-visual::before, .blog-index-card:hover .blog-index-visual::after { transform: translateY(-6px); }
.blog-index-card-body { padding: 24px; display: flex; flex-direction: column; flex: 1; }
.blog-index-tag { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--blue); margin-bottom: 10px; }
.blog-index-card-title { font-size: 18px; line-height: 1.4; margin-bottom: 18px; transition: color .2s; }
.blog-index-card:hover .blog-index-card-title { color: var(--blue); }
.blog-index-card-meta { margin-top: auto; display: flex; gap: 14px; font-size: 13px; color: var(--muted); }

/* ── Blog index ── */
.blog-index-hero { position: relative; text-align: center; max-width: 820px; margin: 0 auto; padding: 90px 24px 60px; }
.blog-index-hero::before {
  content: ""; position: absolute; inset: 0 -30vw; z-index: -1;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 56px 56px; opacity: .5;
  mask-image: radial-gradient(ellipse 50% 70% at 50% 40%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 50% 70% at 50% 40%, #000 20%, transparent 75%);
}
.blog-index-eyebrow {
  display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase;
  color: var(--text); background: #fff; border: 1px solid var(--line); padding: 6px 14px; border-radius: 999px; margin-bottom: 20px;
}
.blog-index-eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--blue); }
.blog-index-hero h1 { font-size: clamp(34px, 5vw, 54px); font-weight: 700; margin-bottom: 18px; }
.blog-index-hero p { font-size: 18px; color: var(--muted); }

.blog-featured { max-width: var(--container); margin: 0 auto 30px; padding: 0 24px; }
.blog-featured-card {
  display: grid; grid-template-columns: 1fr 1.1fr; background: #fff; border: 1px solid var(--line); border-radius: 22px; overflow: hidden;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease);
}
.blog-featured-card:hover { transform: translateY(-6px); box-shadow: var(--shadow); }
.blog-featured-visual { position: relative; min-height: 340px; background: var(--stripes), var(--bg-soft); border-right: 1px solid var(--line); display: flex; align-items: flex-end; padding: 30px; overflow: hidden; }
.bfv-mark { position: relative; font-weight: 700; font-size: 40px; color: var(--ink); letter-spacing: -.02em; transition: transform .4s var(--ease); }
.blog-featured-card:hover .bfv-mark { transform: translateX(6px); }
.blog-featured-body { padding: 48px 44px; display: flex; flex-direction: column; justify-content: center; }
.blog-featured-tag { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--blue); margin-bottom: 14px; }
.blog-featured-title { font-size: clamp(22px, 2.6vw, 30px); line-height: 1.3; margin-bottom: 14px; }
.blog-featured-excerpt { color: var(--muted); font-size: 16px; margin-bottom: 20px; }
.blog-featured-meta { display: flex; gap: 16px; font-size: 13.5px; color: var(--muted); margin-bottom: 24px; }
.blog-featured-link { font-weight: 600; color: var(--blue); display: inline-flex; gap: 8px; align-items: center; }
.blog-featured-link .arrow { transition: transform .3s var(--ease); }
.blog-featured-card:hover .arrow { transform: translateX(5px); }

.blog-index-grid-wrap { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.blog-index-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }

.blog-subscribe { max-width: var(--container); margin: 90px auto 110px; padding: 0 24px; }
.blog-subscribe-inner {
  position: relative; overflow: hidden; background: var(--stripes), var(--blue); border-radius: 22px; padding: 56px 60px;
  display: flex; align-items: center; justify-content: space-between; gap: 30px;
}

.blog-subscribe-inner > * { position: relative; }
.blog-subscribe-copy h3 { color: #fff; font-size: clamp(22px, 2.8vw, 30px); margin-bottom: 8px; }
.blog-subscribe-copy p { color: rgba(255, 255, 255, .85); }
.blog-subscribe-inner .btn-primary { background: var(--ink); }
.blog-subscribe-inner .btn-primary:hover { background: #000; }

/* ── Article ── */
.blog-crumb { max-width: 760px; margin: 0 auto; padding: 40px 24px 0; }
.blog-back { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--muted); transition: color .2s, transform .2s; }
.blog-back:hover { color: var(--blue); transform: translateX(-3px); }

.article-hero { max-width: 760px; margin: 0 auto; padding: 26px 24px 36px; }
.article-tag { display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--text); background: #fff; border: 1px solid var(--line); padding: 6px 14px; border-radius: 999px; margin-bottom: 20px; }
.article-title { font-size: clamp(30px, 4.4vw, 46px); font-weight: 700; margin-bottom: 18px; }
.article-dek { font-size: 19px; color: var(--muted); margin-bottom: 28px; }
.article-meta-row { display: flex; align-items: center; gap: 14px; padding-top: 24px; border-top: 1px solid var(--line); }
.article-meta-avatar img { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; object-position: top; background: var(--bg-tint); }
.article-meta-text .name { font-weight: 600; color: var(--ink); }
.article-meta-text .sub { display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13.5px; color: var(--muted); }

.article-cover { max-width: 1000px; margin: 0 auto 70px; padding: 0 24px; }
.article-cover-inner { position: relative; border-radius: 22px; min-height: 360px; display: grid; place-items: center; text-align: center; overflow: hidden; background: var(--stripes), var(--bg-soft) !important; border: 1px solid var(--line); }
.article-cover-inner::before { content: none; }
.article-cover-glyph { position: relative; color: var(--ink); font-weight: 800; font-size: clamp(36px, 6vw, 68px); line-height: 1.05; letter-spacing: -.03em; padding: 30px; }
.article-cover-glyph small { display: block; margin-top: 16px; font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--blue); }

.article-layout { max-width: 1140px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 240px minmax(0, 720px); gap: 70px; justify-content: center; }
.article-toc { position: sticky; top: 110px; align-self: start; }
.article-toc-label { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.article-toc ol { list-style: none; border-left: 2px solid var(--line); }
.article-toc a { display: block; padding: 7px 0 7px 16px; margin-left: -2px; border-left: 2px solid transparent; font-size: 14px; color: var(--muted); line-height: 1.45; transition: color .2s, border-color .2s; }
.article-toc a:hover { color: var(--ink); }
.article-toc a.active { color: var(--blue); border-color: var(--blue); font-weight: 600; }
.article-share { display: flex; gap: 8px; margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--line); }
.article-share a { width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; font-weight: 700; font-size: 15px; background: var(--bg-soft); border: 1px solid var(--line); color: var(--ink); transition: background .25s, color .25s, transform .25s var(--ease); }
.article-share a:hover { background: var(--ink); border-color: var(--ink); color: #fff; transform: translateY(-3px); }

.article-body { font-size: 17.5px; line-height: 1.8; color: var(--text); }
.article-body > * + * { margin-top: 22px; }
.article-body h2 { font-size: clamp(24px, 3vw, 30px); margin-top: 54px; scroll-margin-top: 110px; }
.article-body h3 { font-size: 21px; margin-top: 36px; }
.article-body strong { color: var(--ink); }
.article-body a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.article-body ul, .article-body ol { padding-left: 0; list-style: none; display: grid; gap: 12px; }
.article-body ul li, .article-body ol li { position: relative; padding-left: 32px; }
.article-body ul li::before {
  content: ""; position: absolute; left: 0; top: 6px; width: 20px; height: 20px; border-radius: 50%;
  background: var(--bg-tint) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%233b6cf6' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/12px no-repeat;
}
.article-body ol { counter-reset: n; }
.article-body ol li { counter-increment: n; }
.article-body ol li::before { content: counter(n); position: absolute; left: 0; top: 4px; width: 22px; height: 22px; border-radius: 50%; background: var(--ink); color: #fff; font-size: 12px; font-weight: 700; display: grid; place-items: center; line-height: 1; }
.article-lede { font-size: 20px; color: var(--ink); line-height: 1.7; }

.article-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin: 34px 0 !important; }
.article-stat { background: var(--stripes), #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px 18px; }
.article-stat .num { font-size: 26px; font-weight: 700; line-height: 1.1; margin-bottom: 6px; color: var(--blue); }
.article-stat .lbl { font-size: 13.5px; line-height: 1.45; color: var(--muted); }

.article-quote { margin: 40px 0 !important; padding: 30px 34px; border-left: 3px solid var(--blue); background: var(--bg-soft); border-radius: 0 16px 16px 0; }
.article-quote p { font-size: 20px; font-weight: 500; color: var(--ink); line-height: 1.6; }
.article-quote cite { display: block; margin-top: 12px; font-style: normal; font-size: 14px; color: var(--muted); }

.article-callout { display: flex; gap: 16px; padding: 24px 26px; border-radius: 16px; background: #fff; border: 1px solid var(--line-2); }
.article-callout .icon { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; flex: none; }
.article-callout .icon svg { width: 20px; height: 20px; }
.icon-warn { background: var(--bg-soft); color: var(--ink); }
.icon-info { background: var(--bg-tint); color: var(--blue); }
.article-callout p { font-size: 16px; line-height: 1.7; }
.article-callout strong { display: block; margin-bottom: 4px; }

.article-table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; }
.article-table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 520px; }
.article-table th { text-align: left; background: var(--bg-soft); color: var(--ink); font-weight: 600; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.article-table td { padding: 14px 18px; border-bottom: 1px solid var(--line); line-height: 1.5; }
.article-table tr:last-child td { border-bottom: 0; }
.article-table tbody tr { transition: background .2s; }
.article-table tbody tr:hover { background: var(--bg-soft); }
.article-table td.yes { color: var(--blue); font-weight: 600; }
.article-table td.no { color: var(--muted); }

.article-cta-block { margin: 46px 0 !important; padding: 38px; border-radius: 20px; background: var(--stripes), var(--blue); position: relative; overflow: hidden; }
.article-cta-block::before { content: none; }
.article-cta-block > * { position: relative; }
.article-cta-block h4 { color: #fff; font-size: 22px; margin-bottom: 8px; }
.article-cta-block p { color: rgba(255, 255, 255, .85); font-size: 16px; margin-bottom: 22px; }
.article-cta-block .btn-primary { text-decoration: none; color: #fff; background: var(--ink); }
.article-cta-block .btn-primary:hover { background: #000; }

.article-author-card { max-width: 760px; margin: 70px auto 0; padding: 30px; display: flex; gap: 22px; align-items: flex-start; background: var(--bg-soft); border: 1px solid var(--line); border-radius: 20px; }
.aac-avatar img { width: 76px; height: 76px; border-radius: 50%; object-fit: cover; object-position: top; background: var(--bg-soft); }
.aac-name { font-weight: 700; color: var(--ink); font-size: 18px; }
.aac-role { font-size: 14px; color: var(--blue); font-weight: 500; margin-bottom: 8px; }
.aac-bio { font-size: 15px; color: var(--muted); }

.article-related { max-width: var(--container); margin: 90px auto 110px; padding: 0 24px; }
.article-related-label { font-size: 26px; font-weight: 700; color: var(--ink); margin-bottom: 26px; }
.article-related-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

/* ── Responsive ── */
@media (max-width: 960px) {
  .blog-index-grid { grid-template-columns: 1fr 1fr; }
  .blog-featured-card { grid-template-columns: 1fr; }
  .blog-featured-visual { min-height: 220px; }
  .blog-subscribe-inner { flex-direction: column; align-items: flex-start; padding: 44px 36px; }
  .article-layout { grid-template-columns: minmax(0, 720px); gap: 0; }
  .article-toc { position: static; margin-bottom: 40px; padding: 22px; border: 1px solid var(--line); border-radius: 16px; background: var(--bg-soft); }
}
@media (max-width: 640px) {
  .blog-index-hero { padding: 60px 16px 40px; }
  .blog-featured, .blog-index-grid-wrap, .blog-subscribe, .article-related, .article-cover, .article-layout, .article-hero, .blog-crumb { padding-left: 16px; padding-right: 16px; }
  .blog-index-grid, .article-related-grid, .article-stats { grid-template-columns: 1fr; }
  .blog-featured-body { padding: 30px 24px; }
  .blog-subscribe-inner { padding: 36px 24px; border-radius: 20px; }
  .blog-subscribe-inner .btn { width: 100%; }
  .article-cover-inner { min-height: 240px; }
  .article-body { font-size: 16.5px; }
  .article-quote { padding: 22px 22px; }
  .article-cta-block { padding: 28px 22px; }
  .article-author-card { margin: 50px 16px 0; flex-direction: column; }
  .article-table { min-width: 0; font-size: 13.5px; }
  .article-table th, .article-table td { padding: 11px 10px; }
  .article-callout { flex-direction: column; gap: 12px; padding: 20px; }
}