/* ============================================================
   Blog — magazine layout (not a document dump)
   ============================================================ */

/* hero */
.b-hero {
  padding: calc(var(--nav-h) + 48px) 0 40px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(0,0,0,0.03), transparent 55%),
    var(--void);
}
.b-hero-slim { padding-bottom: 28px; }
.b-hero-top {
  display: grid;
  gap: 24px;
  margin-bottom: 36px;
}
@media (min-width: 900px) {
  .b-hero-top {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: end;
    gap: 48px;
  }
}
.b-hero-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.8rem, 7vw, 4.8rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 12px 0 0;
}
.b-hero-title i {
  font-style: italic;
  color: var(--stone);
}
.b-hero-lead {
  font-weight: 300;
  color: var(--stone);
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 36ch;
}

/* category chips */
.b-cats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 36px;
  padding-bottom: 8px;
}
.b-cat {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--line2);
  background: var(--ink);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--paper-dim);
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}
.b-cat em {
  font-style: normal;
  font-family: var(--mono);
  font-size: 10px;
  color: var(--stone);
}
.b-cat:hover,
.b-cat.is-on {
  background: var(--paper);
  color: var(--void);
  border-color: var(--paper);
}
.b-cat:hover em,
.b-cat.is-on em { color: color-mix(in srgb, var(--void) 55%, transparent); }

/* hero feature grid */
.b-hero-grid {
  display: grid;
  gap: 16px;
}
@media (min-width: 960px) {
  .b-hero-grid {
    grid-template-columns: 1.45fr 0.9fr;
    gap: 16px;
    align-items: stretch;
  }
}
.b-hero-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* featured */
.b-feature {
  display: block;
  min-height: 340px;
  background: var(--paper);
  color: var(--void);
  border: 1px solid var(--paper);
  position: relative;
  overflow: hidden;
  transition: transform 0.35s var(--ease);
}
.b-feature:hover { transform: translateY(-3px); color: var(--void); }
.b-feature-inner {
  display: grid;
  height: 100%;
  min-height: 340px;
}
@media (min-width: 700px) {
  .b-feature-inner { grid-template-columns: 1.4fr 0.7fr; }
}
.b-feature-copy {
  padding: 36px 32px 32px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 14px;
}
.b-feature .b-pill {
  background: transparent;
  border-color: color-mix(in srgb, var(--void) 25%, transparent);
  color: color-mix(in srgb, var(--void) 70%, transparent);
}
.b-feature-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.75rem, 3.2vw, 2.45rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  max-width: 18ch;
}
.b-feature-ex {
  font-weight: 300;
  font-size: 0.98rem;
  line-height: 1.55;
  color: color-mix(in srgb, var(--void) 62%, transparent);
  max-width: 42ch;
}
.b-go-lg {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-top: 8px;
}
.b-feature-aside {
  display: none;
  border-left: 1px solid color-mix(in srgb, var(--void) 12%, transparent);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  background:
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 12px,
      color-mix(in srgb, var(--void) 4%, transparent) 12px,
      color-mix(in srgb, var(--void) 4%, transparent) 13px
    );
}
@media (min-width: 700px) {
  .b-feature-aside { display: flex; }
}
.b-feature-mark {
  font-family: var(--serif);
  font-size: 5rem;
  line-height: 1;
  opacity: 0.12;
  font-style: italic;
}
.b-feature-sku {
  font-size: 11px;
  letter-spacing: 0.16em;
  opacity: 0.45;
}

/* cards */
.b-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px;
  background: var(--ink);
  border: 1px solid var(--line);
  min-height: 220px;
  position: relative;
  transition: border-color 0.25s, transform 0.3s var(--ease), box-shadow 0.3s;
  overflow: hidden;
}
.b-card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--paper);
  opacity: 0.15;
  transition: opacity 0.25s;
}
.b-card:hover {
  border-color: var(--line2);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.06);
  color: var(--paper);
}
.b-card:hover::before { opacity: 1; }
.b-card-compact { min-height: 0; flex: 1; padding: 18px 18px; }
.b-card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}
.b-pill {
  display: inline-block;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 5px 8px;
  border: 1px solid var(--line2);
  color: var(--stone);
}
.b-meta { font-size: 10px; color: var(--stone); letter-spacing: 0.06em; }
.b-card-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.35rem;
  line-height: 1.18;
  letter-spacing: -0.02em;
  flex: 1;
}
.b-card-compact .b-card-title { font-size: 1.1rem; }
.b-card-ex {
  font-size: 0.9rem;
  font-weight: 300;
  color: var(--stone);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.b-card-compact .b-card-ex { -webkit-line-clamp: 2; }
.b-card-bot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: auto;
  padding-top: 8px;
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--stone);
  font-family: var(--mono);
}
.b-go { letter-spacing: 0.12em; transition: transform 0.25s var(--ease); display: inline-block; }
.b-card:hover .b-go { transform: translateX(4px); color: var(--paper); }

/* category accent tones (subtle left bar) */
.tone-cursor::before { background: #0a0a0a; }
.tone-claude::before { background: #2a2a2a; }
.tone-freelance::before { background: #444; }
.tone-arabic::before { background: #1a1a1a; }
.tone-n8n::before { background: #333; }
.tone-content::before { background: #555; }
.tone-sales::before { background: #222; }
.tone-skills::before { background: #000; }

/* sections */
.b-section { padding: 64px 0; border-bottom: 1px solid var(--line); }
.b-section-muted { background: color-mix(in srgb, var(--ink) 80%, var(--void)); }
.b-section-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 28px;
}
.b-section-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  letter-spacing: -0.02em;
}

.b-masonry {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}

/* archive list */
.b-list { border-top: 1px solid var(--line); }
.b-list-row {
  display: grid;
  grid-template-columns: 120px 1fr auto;
  gap: 16px 24px;
  align-items: baseline;
  padding: 18px 4px;
  border-bottom: 1px solid var(--line);
  transition: background 0.2s;
}
.b-list-row:hover { background: var(--ink); color: var(--paper); }
.b-list-cat {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
}
.b-list-title {
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: -0.015em;
  line-height: 1.25;
}
.b-list-meta {
  font-size: 10px;
  color: var(--stone);
  letter-spacing: 0.06em;
  white-space: nowrap;
}
@media (max-width: 700px) {
  .b-list-row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 16px 0;
  }
  .b-list-meta { order: -1; }
}

/* CTA band */
.b-cta-band {
  padding: 80px 0;
  border-bottom: 1px solid var(--line);
  background: var(--paper);
  color: var(--void);
}
.b-cta-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 28px;
}
.b-cta-band h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-top: 8px;
}
.b-cta-band .section-label { color: color-mix(in srgb, var(--void) 45%, transparent); }
.b-cta-band .section-label::before { background: color-mix(in srgb, var(--void) 35%, transparent); }
.b-cta-band .btn {
  background: var(--void);
  color: var(--paper);
  border-color: var(--void);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.28);
}
.b-cta-band .btn::before {
  background: radial-gradient(circle at 30% 40%, rgba(247, 245, 240, 0.35), transparent 55%);
}
.b-cta-band .btn:hover {
  background: #fff;
  color: var(--paper);
  border-color: #fff;
}
.b-cta-band .btn-ghost {
  background: rgba(247, 245, 240, 0.08);
  color: var(--void);
  border-color: color-mix(in srgb, var(--void) 28%, transparent);
  backdrop-filter: blur(12px);
  box-shadow: none;
}
.b-cta-band .btn-ghost:hover {
  border-color: var(--void);
  background: rgba(247, 245, 240, 0.14);
  color: var(--void);
}

/* article */
.b-article-hero {
  padding: calc(var(--nav-h) + 56px) 0 48px;
  border-bottom: 1px solid var(--line);
  background: var(--ink);
}
.b-article-hero-inner { max-width: 820px; }
.b-crumbs {
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
  margin-bottom: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.b-crumbs a:hover { color: var(--paper); }
.b-article-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  max-width: 18ch;
}
.b-article-deck {
  font-size: 1.15rem;
  font-weight: 300;
  color: var(--stone);
  line-height: 1.55;
  max-width: 40ch;
  margin-bottom: 28px;
}
.b-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--stone);
  text-transform: uppercase;
}

.b-article-body { padding: 56px 0 72px; }
.b-article-grid {
  display: grid;
  gap: 48px;
}
@media (min-width: 960px) {
  .b-article-grid {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 56px;
    align-items: start;
  }
}

.b-prose { max-width: 40rem; }
.b-prose .b-sec { margin-bottom: 8px; }
.b-prose h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.75rem;
  letter-spacing: -0.02em;
  margin: 44px 0 16px;
  line-height: 1.15;
  padding-top: 8px;
}
.b-prose .b-sec:first-child h2 { margin-top: 0; }
.b-prose p {
  font-size: 1.05rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--paper-dim);
  margin-bottom: 16px;
}
.b-prose ul, .b-prose ol {
  margin: 0 0 20px 1.15rem;
  color: var(--paper-dim);
  font-weight: 300;
  line-height: 1.7;
}
.b-prose li { margin-bottom: 8px; }
.b-prose .faq { margin-bottom: 10px; background: var(--ink); }
.b-prose .geo-tldr,
.b-prose .geo-takeaways,
.b-prose .geo-def {
  border-radius: 0;
  border-left: 3px solid var(--paper);
}
.b-prose .blog-cta,
.b-end-card {
  margin: 36px 0;
  padding: 32px 28px;
  background: var(--paper);
  color: var(--void);
  border: none;
}
.b-end-card h2,
.b-prose .blog-cta h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.65rem;
  letter-spacing: -0.02em;
  color: var(--void);
  margin: 8px 0 12px;
}
.b-end-card .section-label,
.b-prose .blog-cta .section-label {
  color: color-mix(in srgb, var(--void) 45%, transparent);
}
.b-end-card .section-label::before,
.b-prose .blog-cta .section-label::before {
  background: color-mix(in srgb, var(--void) 30%, transparent);
}
.b-end-card .muted { color: color-mix(in srgb, var(--void) 55%, transparent); }
.b-end-card .btn,
.b-prose .blog-cta .btn {
  background: var(--void);
  color: var(--paper);
  border-color: var(--void);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.3);
}
.b-end-card .btn:hover,
.b-prose .blog-cta .btn:hover {
  background: #fff;
  color: var(--paper);
  border-color: #fff;
}
.b-end-card .btn-ghost,
.b-prose .blog-cta .btn-ghost {
  background: rgba(247, 245, 240, 0.08);
  color: var(--void);
  border-color: color-mix(in srgb, var(--void) 28%, transparent);
  box-shadow: none;
}
.b-code {
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.7;
  background: var(--ink);
  border: 1px solid var(--line);
  padding: 22px 18px;
  overflow-x: auto;
  white-space: pre-wrap;
  color: var(--paper-dim);
  margin: 0 0 24px;
}

/* rail */
.b-rail {
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: sticky;
  top: calc(var(--nav-h) + 20px);
}
@media (max-width: 959px) {
  .b-rail { position: static; }
}
.b-rail-card {
  border: 1px solid var(--line);
  background: var(--ink);
  padding: 22px 20px;
}
.b-rail-soft { background: var(--void); }
.b-rail-card h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  margin: 8px 0 6px;
}
.b-rail-sku {
  font-size: 11px;
  color: var(--stone);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
  display: block;
}
.b-rail-card .btn { margin-bottom: 8px; }
.b-toc {
  list-style: none;
  margin: 0;
  padding: 0;
}
.b-toc li {
  font-size: 12px;
  font-weight: 300;
  color: var(--stone);
  padding: 8px 0;
  border-bottom: 1px solid var(--line);
  line-height: 1.35;
}
.b-toc li:last-child { border-bottom: 0; }
.b-rail-link {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--stone);
  padding: 8px 0;
}
.b-rail-link:hover { color: var(--paper); }

/* SEO rail collapse mobile */
@media (max-width: 700px) {
  .seo-rail-kws { display: none; }
  .seo-rail { padding: 28px 0 24px; }
  .seo-rail-cols { gap: 18px; }
}

/* SEO answer-first TL;DR */
.b-tldr {
  margin: 1.25rem 0 0;
  padding: 1rem 1.15rem;
  border: 1px solid rgba(10,10,10,.12);
  background: rgba(10,10,10,.03);
  max-width: 52rem;
}
.b-tldr .section-label { margin-bottom: .35rem; }
.b-tldr p { margin: 0; font-weight: 300; line-height: 1.55; color: inherit; }
.b-tldr strong { font-weight: 600; }