/* ============================================================
   GoSellMate — Blog subsystem styles (subdomain sites)
   EXTENDS styles.css. Uses the existing design tokens/variables
   ONLY (never restates them). Dark-first, premium, matches the
   main-site chrome so one content engine feeds both.
   Loaded AFTER styles.css on every /blog/ page.
   ============================================================ */

/* ---------- SHARED: blog hero (index + post) ---------- */
.blog-hero { position: relative; padding: clamp(58px, 8vw, 104px) 0 clamp(30px, 4vw, 52px); overflow: hidden; isolation: isolate; }
.blog-hero .wrap { position: relative; z-index: 2; }
.blog-hero .eyebrow { margin-bottom: 18px; }
.blog-hero h1 { margin: 0 0 18px; }
.blog-hero .lead { margin-bottom: 8px; }

/* ---------- BREADCRUMB ---------- */
.breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 26px;
  font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-4); }
.breadcrumb a { color: var(--ink-3); transition: color .2s; }
.breadcrumb a:hover { color: var(--blue-hi); }
.breadcrumb .sep { color: var(--ink-4); opacity: 0.6; }
.breadcrumb .cur { color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 46vw; }

/* ---------- INDEX: intro + cluster strip ---------- */
.blog-intro { max-width: 720px; }
.blog-meta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 20px; margin-top: 26px;
  font-size: 0.84rem; color: var(--ink-3); }
.blog-meta-row span { display: inline-flex; align-items: center; gap: 8px; }
.blog-meta-row svg { width: 15px; height: 15px; stroke: var(--blue-hi); fill: none; stroke-width: 1.6; }

/* Cluster strip — links the sibling GoSellMate subdomains + main site */
.blog-cluster { display: grid; gap: 12px; grid-template-columns: repeat(3, 1fr); margin-top: 10px; }
.cluster-link { display: flex; align-items: center; gap: 13px; padding: 16px 18px;
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--r-sm);
  transition: transform .28s var(--ease), border-color .28s, background .28s; }
.cluster-link:hover { transform: translateY(-3px); border-color: var(--line-2); background: var(--bg-elev); }
.cluster-ico { flex-shrink: 0; width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center;
  background: linear-gradient(160deg, rgba(45,91,255,0.22), rgba(123,97,255,0.10));
  border: 1px solid rgba(123,140,255,0.25); color: #c7d3ff; }
.cluster-ico svg { width: 19px; height: 19px; stroke: #c7d3ff; fill: none; stroke-width: 1.6; }
.cluster-txt { min-width: 0; }
.cluster-txt b { display: block; font-family: var(--font-display); font-weight: 700; font-size: 0.96rem; letter-spacing: -0.02em; color: #fff; }
.cluster-txt span { display: block; font-size: 0.78rem; color: var(--ink-3); line-height: 1.4; overflow-wrap: anywhere; }

/* ---------- INDEX: card grid ---------- */
.blog-index { display: grid; gap: 20px; grid-template-columns: repeat(3, 1fr); }
.blog-card { display: flex; flex-direction: column; position: relative; overflow: clip;
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--r);
  transition: transform .3s var(--ease), border-color .3s, background .3s; }
.blog-card::after {
  content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px;
  background: linear-gradient(130deg, rgba(123,140,255,0.5), transparent 40%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .3s; pointer-events: none; }
.blog-card:hover { transform: translateY(-4px); border-color: var(--line-2); background: var(--bg-elev); }
.blog-card:hover::after { opacity: 1; }
.blog-card:hover .blog-card-thumb img { transform: scale(1.04); }

.blog-card-thumb { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: var(--bg-elev);
  border-bottom: 1px solid var(--line); }
.blog-card-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
/* gradient fallback when a post ships no hero image */
.blog-card-thumb.no-img { display: grid; place-items: center;
  background:
    radial-gradient(120% 120% at 20% 0%, rgba(45,91,255,0.28), transparent 60%),
    radial-gradient(120% 120% at 90% 100%, rgba(123,97,255,0.20), transparent 55%),
    var(--bg-elev); }
.blog-card-thumb.no-img .mark { width: 48px; height: 38px; opacity: 0.5; }
.blog-card-cat { position: absolute; top: 12px; left: 12px; z-index: 2;
  font-family: var(--font-mono); font-size: 0.64rem; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase;
  color: #c7d3ff; background: rgba(6,7,12,0.72); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(123,140,255,0.28); padding: 5px 11px; border-radius: var(--r-pill); }

.blog-card-body { display: flex; flex-direction: column; flex: 1; padding: 22px 22px 24px; }
.blog-card h3 { color: #fff; font-size: 1.12rem; line-height: 1.24; margin-bottom: 10px; }
.blog-card:hover h3 { color: #fff; }
.blog-card p { font-size: 0.9rem; color: var(--ink-3); line-height: 1.6; margin-bottom: 18px; }
.blog-card-foot { margin-top: auto; display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 0.04em; color: var(--ink-4); }
.blog-card-foot .dot { width: 3px; height: 3px; border-radius: 50%; background: var(--ink-4); }
.blog-card-arrow { margin-left: auto; width: 26px; height: 26px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid var(--line-2); color: var(--blue-hi); transition: transform .25s var(--ease), background .25s, border-color .25s; }
.blog-card:hover .blog-card-arrow { transform: translate(2px,-2px); background: rgba(45,91,255,0.12); border-color: rgba(123,140,255,0.5); }
.blog-card-arrow svg { width: 13px; height: 13px; stroke: currentColor; fill: none; stroke-width: 2; }

/* featured card spans the full width of the grid on wide screens */
.blog-card.feat { grid-column: 1 / -1; flex-direction: row; }
.blog-card.feat .blog-card-thumb { aspect-ratio: auto; width: 46%; min-height: 100%; border-bottom: none; border-right: 1px solid var(--line); }
.blog-card.feat .blog-card-body { padding: clamp(24px, 3vw, 40px); justify-content: center; }
.blog-card.feat h3 { font-size: clamp(1.4rem, 2.4vw, 1.9rem); line-height: 1.12; }
.blog-card.feat p { font-size: 0.98rem; color: var(--ink-2); }

.blog-empty { text-align: center; padding: 60px 20px; color: var(--ink-3);
  border: 1px dashed var(--line-2); border-radius: var(--r); background: var(--bg-card); }

/* ============================================================
   ARTICLE (post) layout + rich typography
   ============================================================ */
.blog-post { max-width: 740px; margin: 0 auto; }
.blog-post-hero { max-width: 740px; margin: 10px auto 0; }
.blog-post-hero figure { margin: 0; }
.blog-post-hero img { display: block; width: 100%; height: auto; aspect-ratio: 1200 / 630; object-fit: cover;
  border-radius: var(--r-lg); border: 1px solid var(--line);
  box-shadow: 0 0 60px -30px rgba(45,91,255,0.42); }

/* the article body: generous rhythm, readable measure */
.blog-body { font-size: 1.06rem; line-height: 1.78; color: var(--ink-2); }
.blog-body > * + * { margin-top: 1.35em; }
.blog-body p { color: var(--ink-2); }
.blog-body a { color: var(--blue-hi); text-decoration: underline; text-decoration-color: rgba(75,115,255,0.4);
  text-underline-offset: 3px; transition: text-decoration-color .2s, color .2s; }
.blog-body a:hover { color: #fff; text-decoration-color: var(--blue-hi); }

.blog-body h2 { font-size: clamp(1.55rem, 3vw, 2.05rem); color: #fff; margin-top: 2em; scroll-margin-top: 90px; }
.blog-body h2::before { content: ""; display: block; width: 40px; height: 3px; border-radius: 2px;
  background: linear-gradient(90deg, var(--blue), var(--violet)); margin-bottom: 0.6em; }
.blog-body h3 { font-size: 1.24rem; color: #fff; margin-top: 1.7em; letter-spacing: -0.02em; scroll-margin-top: 90px; }

.blog-body ul, .blog-body ol { padding-left: 0; list-style: none; display: flex; flex-direction: column; gap: 11px; }
.blog-body ul li, .blog-body ol li { position: relative; padding-left: 30px; color: var(--ink-2); line-height: 1.66; }
.blog-body ul li::before { content: ""; position: absolute; left: 4px; top: 0.62em; width: 8px; height: 8px; border-radius: 50%;
  background: var(--blue); box-shadow: 0 0 0 4px rgba(45,91,255,0.14); }
.blog-body ol { counter-reset: bl; }
.blog-body ol li { counter-increment: bl; }
.blog-body ol li::before { content: counter(bl); position: absolute; left: 0; top: 0.05em;
  width: 22px; height: 22px; border-radius: 7px; display: grid; place-items: center;
  font-family: var(--font-mono); font-size: 0.72rem; font-weight: 700; color: var(--blue-hi);
  background: rgba(45,91,255,0.10); border: 1px solid rgba(123,140,255,0.25); }

.blog-body blockquote { position: relative; margin: 0; padding: 8px 0 8px 26px;
  border-left: 3px solid var(--blue); font-family: var(--font-display); font-weight: 500;
  font-size: clamp(1.18rem, 2vw, 1.42rem); line-height: 1.4; letter-spacing: -0.02em; color: #fff; text-wrap: balance; }
.blog-body blockquote cite { display: block; margin-top: 12px; font-family: var(--font-mono); font-style: normal;
  font-size: 0.76rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--ink-3); }
.blog-body blockquote cite::before { content: "\2014 "; color: var(--blue-hi); }

/* figures (img/video blocks) */
.blog-body figure { margin: 0; }
.blog-body figure img, .blog-body figure video { width: 100%; display: block;
  border-radius: var(--r); border: 1px solid var(--line); background: var(--bg-card); }
.blog-body figure video { aspect-ratio: 16 / 9; object-fit: cover; }
.blog-body figcaption { margin-top: 12px; text-align: center; font-size: 0.82rem; color: var(--ink-3); line-height: 1.5; }

/* inline code + code block */
.blog-body :not(pre) > code { font-family: var(--font-mono); font-size: 0.86em; color: #c7d3ff;
  background: rgba(45,91,255,0.10); border: 1px solid var(--line); border-radius: 6px; padding: 2px 6px; }
.blog-code { background: var(--bg-subtle); border: 1px solid var(--line); border-radius: var(--r-sm);
  overflow-x: auto; padding: 18px 20px; }
.blog-code .lang { display: block; font-family: var(--font-mono); font-size: 0.66rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--blue-hi); margin-bottom: 12px; }
.blog-code pre { margin: 0; }
.blog-code code { font-family: var(--font-mono); font-size: 0.85rem; line-height: 1.7; color: var(--ink); white-space: pre; }

/* rich blocks reused from the design system, scoped to article width */
.blog-body .callout { display: block; }
.blog-body .callout .callout-title { display: block; font-weight: 700; color: #fff; margin-bottom: 6px;
  font-family: var(--font-display); letter-spacing: -0.01em; }
.blog-body .callout.tip { background: rgba(52,211,153,0.06); border-color: rgba(52,211,153,0.18); border-left-color: var(--good); }
.blog-body .callout.money { background: rgba(45,91,255,0.09); border-color: rgba(123,140,255,0.28); border-left-color: var(--blue-hi); }
.blog-body .callout.info { /* default blue, inherits base .callout */ }
/* .warn inherits from styles.css */

/* stat / stats */
.blog-body .blog-stat { padding: 24px 26px; background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--r); }
.blog-body .blog-stat .stat-num { display: block; }
.blog-body .blog-stat .stat-sub { font-family: var(--font-mono); font-size: 0.68rem; color: var(--ink-4); margin-top: 6px; letter-spacing: 0.04em; }
.blog-body .blog-stats { display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); }
.blog-body .blog-stats .blog-stat { padding: 22px; }

/* kv (definition rows) */
.blog-body .blog-kv { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
.blog-body .blog-kv .kv-row { display: grid; grid-template-columns: minmax(120px, 0.4fr) 1fr; gap: 16px;
  padding: 14px 20px; border-top: 1px solid var(--line); }
.blog-body .blog-kv .kv-row:first-child { border-top: none; }
.blog-body .blog-kv .kv-k { font-weight: 600; color: #fff; }
.blog-body .blog-kv .kv-v { color: var(--ink-2); }

/* split (two-column compare) */
.blog-body .blog-split { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
.blog-body .blog-split .split-col { padding: 22px; background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--r); }
.blog-body .blog-split .split-label { font-family: var(--font-mono); font-size: 0.7rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue-hi); margin-bottom: 10px; }
.blog-body .blog-split .split-col p { margin: 0; color: var(--ink-2); font-size: 0.96rem; }

/* checklist */
.blog-body .blog-checklist { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 12px; }
.blog-body .blog-checklist li { position: relative; padding-left: 34px; color: var(--ink-2); line-height: 1.6; }
.blog-body .blog-checklist li::before { content: ""; position: absolute; left: 0; top: 1px; width: 22px; height: 22px;
  border-radius: 7px; background: rgba(52,211,153,0.10); border: 1px solid rgba(52,211,153,0.32);
  -webkit-mask: none; }
.blog-body .blog-checklist li::after { content: ""; position: absolute; left: 6px; top: 6px; width: 10px; height: 6px;
  border-left: 2px solid var(--good); border-bottom: 2px solid var(--good); transform: rotate(-45deg); }

/* divider inside article */
.blog-body .blog-divider { height: 1px; border: none; margin: 2em 0;
  background: linear-gradient(90deg, transparent, var(--line-2), transparent); }

/* ---------- ARTICLE FAQ ---------- */
.blog-faq { max-width: 740px; margin: 0 auto; }
.blog-faq h2 { margin-bottom: 22px; }

/* ---------- RELATED ---------- */
.blog-related { max-width: 900px; margin: 0 auto; }
.blog-related h2 { margin-bottom: 24px; font-size: clamp(1.5rem, 2.6vw, 2rem); }
.blog-related-grid { display: grid; gap: 16px; grid-template-columns: repeat(3, 1fr); }
.related-card { display: flex; flex-direction: column; gap: 10px; padding: 22px;
  background: var(--bg-card); border: 1px solid var(--line); border-radius: var(--r);
  transition: transform .28s var(--ease), border-color .28s, background .28s; }
.related-card:hover { transform: translateY(-3px); border-color: var(--line-2); background: var(--bg-elev); }
.related-card .r-eyebrow { font-family: var(--font-mono); font-size: 0.66rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--blue-hi); }
.related-card h3 { font-size: 1.02rem; color: #fff; line-height: 1.3; }
.related-card .r-go { margin-top: auto; display: inline-flex; align-items: center; gap: 7px;
  font-size: 0.82rem; color: var(--ink-3); transition: gap .2s, color .2s; }
.related-card:hover .r-go { color: var(--blue-hi); gap: 10px; }
.related-card .r-go svg { width: 13px; height: 13px; stroke: currentColor; fill: none; stroke-width: 2; }

/* ---------- CTA BAND ---------- */
.blog-cta { position: relative; overflow: hidden; }
.blog-cta-inner { position: relative; text-align: center; max-width: 720px; margin: 0 auto;
  padding: clamp(40px, 6vw, 70px) clamp(24px, 5vw, 56px);
  background: linear-gradient(165deg, rgba(45,91,255,0.14), rgba(12,12,20,0.6));
  border: 1px solid rgba(75,115,255,0.4); border-radius: var(--r-lg);
  box-shadow: 0 0 90px -34px rgba(45,91,255,0.7); }
.blog-cta-inner h2 { margin: 14px 0 14px; }
.blog-cta-inner p { color: var(--ink-2); max-width: 520px; margin: 0 auto 28px; }
.blog-cta-inner .btn-group { justify-content: center; }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 940px) {
  .blog-index { grid-template-columns: repeat(2, 1fr); }
  .blog-related-grid { grid-template-columns: repeat(3, 1fr); }
  .blog-cluster { grid-template-columns: repeat(3, 1fr); }
  .blog-card.feat { flex-direction: column; }
  .blog-card.feat .blog-card-thumb { width: 100%; aspect-ratio: 16 / 9; min-height: 0;
    border-right: none; border-bottom: 1px solid var(--line); }
  .blog-body .blog-stats { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 720px) {
  .blog-index { grid-template-columns: 1fr; }
  .blog-related-grid { grid-template-columns: 1fr; }
  .blog-cluster { grid-template-columns: 1fr; }
  .blog-body .blog-stats { grid-template-columns: 1fr; }
  .blog-body .blog-split { grid-template-columns: 1fr; }
  .blog-body .blog-kv .kv-row { grid-template-columns: 1fr; gap: 4px; }
  .breadcrumb .cur { max-width: 62vw; }
}

/* ---------- REDUCED MOTION ---------- */
@media (prefers-reduced-motion: reduce) {
  .blog-card:hover .blog-card-thumb img,
  .blog-card:hover .blog-card-arrow { transform: none !important; }
  .blog-card-thumb img { transition: none !important; }
}