/* ──────────────────────────────────────────────────────────────
   DigieSales — Blog / Journal
   Premium editorial layout, SEO-friendly markup.
   Reuses .nav, .footer, .container, .btn from main.css.
   ────────────────────────────────────────────────────────────── */

:root {
  --bl-ink:        #0b0f24;
  --bl-soft:       #475569;
  --bl-muted:      #64748b;
  --bl-faint:      #94a3b8;
  --bl-line:       rgba(11,15,36,.08);
  --bl-line-2:     rgba(11,15,36,.12);
  --bl-accent:     #2f6bff;
  --bl-purple:     #6c5ce7;
  --bl-gold:       #c9a36b;
  --bl-green:      #10b981;
  --bl-rose:       #f43f5e;
  --bl-bg:         #fbfbfd;
  --bl-card:       #ffffff;
  --bl-serif:      'Source Serif 4', 'Source Serif Pro', 'Georgia', serif;
}

.bl-body { background: var(--bl-bg); color: var(--bl-ink); }
.bl-body .container { max-width: 1320px; padding-left: 2rem; padding-right: 2rem; }
@media (max-width: 640px) {
  .bl-body .container { padding-left: 1.25rem; padding-right: 1.25rem; }
}

/* ═══════════════ Index / hero ═══════════════ */
.bl-hero {
  position: relative;
  isolation: isolate;
  padding: 7rem 0 3rem;
  background:
    radial-gradient(70% 60% at 0% 0%, rgba(108,92,231,.16), transparent 55%),
    radial-gradient(70% 60% at 100% 0%, rgba(47,107,255,.18), transparent 55%),
    linear-gradient(180deg, #ffffff 0%, var(--bl-bg) 100%);
  border-bottom: 1px solid var(--bl-line);
  overflow: hidden;
}
.bl-hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(11,15,36,.05) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .5; pointer-events: none; z-index: -1;
}
.bl-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 4rem;
  align-items: end;
}
@media (max-width: 980px) { .bl-hero__inner { grid-template-columns: 1fr; gap: 2rem; } }

.bl-hero__chip {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: rgba(47,107,255,.1);
  color: var(--bl-accent);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .4rem .85rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}
.bl-hero__chip svg { width: 14px; height: 14px; }
.bl-hero h1 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.05;
  margin: 0 0 1rem;
  color: var(--bl-ink);
}
.bl-hero h1 em {
  font-family: var(--bl-serif);
  font-style: italic;
  font-weight: 500;
  background: linear-gradient(135deg, var(--bl-accent), var(--bl-purple));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.bl-hero p {
  font-size: 1.1rem;
  color: var(--bl-soft);
  line-height: 1.6;
  margin: 0 0 1.5rem;
  max-width: 52ch;
}

.bl-hero__stats {
  display: flex;
  gap: 2rem;
  border-top: 1px solid var(--bl-line);
  padding-top: 1.25rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}
.bl-hero__stat strong {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--bl-ink);
  display: block;
  line-height: 1;
  margin-bottom: .25rem;
}
.bl-hero__stat span { font-size: .78rem; color: var(--bl-muted); letter-spacing: .03em; text-transform: uppercase; font-weight: 600; }

/* ── Hero categories card (right side) ── */
.bl-hero__cats {
  background: #fff;
  border: 1px solid var(--bl-line-2);
  border-radius: 18px;
  padding: 1.5rem;
  box-shadow: 0 1px 2px rgba(11,15,36,.04), 0 20px 50px -28px rgba(11,15,36,.15);
}
.bl-hero__cats h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--bl-muted);
  margin: 0 0 1rem;
}
.bl-cat-list { display: flex; flex-direction: column; gap: .5rem; }
.bl-cat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .75rem .9rem;
  border-radius: 10px;
  text-decoration: none;
  color: var(--bl-ink);
  background: rgba(11,15,36,.025);
  border: 1px solid transparent;
  transition: all .15s ease;
  font-weight: 600;
  font-size: .92rem;
}
.bl-cat-item:hover {
  background: #fff;
  border-color: var(--bl-line-2);
  transform: translateX(2px);
  color: var(--bl-accent);
}
.bl-cat-item__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--bl-accent);
  flex: 0 0 8px;
}
.bl-cat-item__count {
  font-size: .72rem;
  color: var(--bl-muted);
  background: #fff;
  border: 1px solid var(--bl-line);
  border-radius: 999px;
  padding: .15rem .55rem;
  font-variant-numeric: tabular-nums;
}
.bl-cat-item__left { display: flex; align-items: center; gap: .65rem; flex: 1; min-width: 0; }

/* ═══════════════ Featured article ═══════════════ */
.bl-section { padding: 3rem 0 1.5rem; }
.bl-section__head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.bl-section__head h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  color: var(--bl-ink);
  letter-spacing: -.01em;
}
.bl-section__head p {
  color: var(--bl-muted);
  font-size: .92rem;
  margin: .25rem 0 0;
}
.bl-section__link {
  color: var(--bl-accent);
  font-weight: 600;
  text-decoration: none;
  font-size: .9rem;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
}
.bl-section__link:hover { gap: .5rem; }

.bl-featured {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
  background: #fff;
  border: 1px solid var(--bl-line-2);
  border-radius: 24px;
  padding: 2rem;
  box-shadow: 0 1px 2px rgba(11,15,36,.04), 0 24px 60px -30px rgba(11,15,36,.18);
  text-decoration: none;
  color: inherit;
  transition: transform .2s ease, box-shadow .2s ease;
}
.bl-featured:hover { transform: translateY(-2px); box-shadow: 0 1px 2px rgba(11,15,36,.04), 0 30px 70px -28px rgba(47,107,255,.25); }
@media (max-width: 860px) { .bl-featured { grid-template-columns: 1fr; padding: 1.25rem; gap: 1.5rem; } }

.bl-featured__media {
  position: relative;
  aspect-ratio: 4 / 3;
  border-radius: 16px;
  overflow: hidden;
  background:
    radial-gradient(60% 50% at 20% 20%, rgba(108,92,231,.5), transparent 65%),
    radial-gradient(70% 60% at 80% 80%, rgba(47,107,255,.55), transparent 60%),
    linear-gradient(135deg, #1a1f3e 0%, #0b0f24 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}
.bl-featured__media::after {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 18px 18px;
  pointer-events: none;
}
.bl-featured__media-mark {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 3rem;
  background: linear-gradient(135deg, #fff, rgba(255,255,255,.6));
  -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: -.04em;
  text-align: center;
  line-height: 1;
}
.bl-featured__media-mark span { display:block; font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.55); margin-top: .55rem; font-weight: 600; -webkit-background-clip: initial; background-clip: initial; background: none; }
.bl-featured__badge {
  position: absolute;
  top: 1rem; left: 1rem;
  background: rgba(255,255,255,.95);
  color: var(--bl-accent);
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .35rem .7rem;
  border-radius: 999px;
}

.bl-featured__cat {
  display: inline-block;
  font-size: .72rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--bl-purple);
  font-weight: 800;
  margin-bottom: .75rem;
}
.bl-featured h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.5rem, 2.5vw, 2.1rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin: 0 0 .85rem;
  color: var(--bl-ink);
}
.bl-featured p {
  font-size: 1rem;
  color: var(--bl-soft);
  line-height: 1.65;
  margin: 0 0 1.25rem;
  max-width: 52ch;
}
.bl-featured__meta {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: .82rem;
  color: var(--bl-muted);
  flex-wrap: wrap;
}
.bl-featured__author {
  display: inline-flex; align-items: center; gap: .55rem;
}
.bl-author-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bl-accent), var(--bl-purple));
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: .78rem;
  flex: 0 0 32px;
}
.bl-featured__dot { width: 3px; height: 3px; border-radius: 50%; background: var(--bl-faint); }

/* ═══════════════ Post grid ═══════════════ */
.bl-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}
@media (max-width: 980px) { .bl-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 640px) { .bl-grid { grid-template-columns: 1fr; } }

.bl-card {
  background: #fff;
  border: 1px solid var(--bl-line-2);
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.bl-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 1px 2px rgba(11,15,36,.04), 0 22px 50px -22px rgba(11,15,36,.18);
  border-color: rgba(47,107,255,.25);
}
.bl-card__media {
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -.02em;
}
.bl-card__media::after {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 16px 16px;
  pointer-events: none;
}
.bl-card__media--blue   { background: radial-gradient(70% 70% at 30% 20%, #6c5ce7, transparent 65%), linear-gradient(135deg, #2f6bff 0%, #1a1f3e 100%); }
.bl-card__media--green  { background: radial-gradient(70% 70% at 80% 20%, #34d399, transparent 65%), linear-gradient(135deg, #047857 0%, #064e3b 100%); }
.bl-card__media--gold   { background: radial-gradient(70% 70% at 70% 30%, #e2c393, transparent 65%), linear-gradient(135deg, #c9a36b 0%, #6d4f25 100%); }
.bl-card__media--rose   { background: radial-gradient(70% 70% at 20% 80%, #fb7185, transparent 65%), linear-gradient(135deg, #be123c 0%, #500a1d 100%); }
.bl-card__media--indigo { background: radial-gradient(70% 70% at 80% 80%, #818cf8, transparent 65%), linear-gradient(135deg, #4338ca 0%, #1e1b4b 100%); }
.bl-card__media--slate  { background: radial-gradient(60% 60% at 50% 30%, #475569, transparent 65%), linear-gradient(135deg, #1f2937 0%, #0b0f24 100%); }

.bl-card__cat {
  position: absolute;
  top: .85rem; left: .85rem;
  background: rgba(255,255,255,.95);
  color: var(--bl-ink);
  font-size: .65rem;
  font-weight: 800;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem .6rem;
  border-radius: 999px;
}
.bl-card__body {
  padding: 1.25rem 1.25rem 1.1rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.bl-card h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  margin: 0 0 .55rem;
  color: var(--bl-ink);
  letter-spacing: -.01em;
}
.bl-card p {
  font-size: .88rem;
  color: var(--bl-soft);
  line-height: 1.55;
  margin: 0 0 1rem;
  flex: 1;
}
.bl-card__meta {
  font-size: .76rem;
  color: var(--bl-muted);
  display: flex;
  align-items: center;
  gap: .5rem;
  padding-top: .85rem;
  border-top: 1px solid var(--bl-line);
}
.bl-card__meta svg { width: 12px; height: 12px; }

/* ═══════════════ Newsletter CTA ═══════════════ */
.bl-news {
  margin: 4rem 0 0;
  padding: 3rem 2.5rem;
  border-radius: 24px;
  background:
    radial-gradient(60% 80% at 0% 0%, rgba(108,92,231,.45), transparent 55%),
    radial-gradient(60% 80% at 100% 100%, rgba(47,107,255,.5), transparent 55%),
    linear-gradient(135deg, #1a1f3e 0%, #0b0f24 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 2.5rem;
  align-items: center;
}
.bl-news::after {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}
@media (max-width: 860px) { .bl-news { grid-template-columns: 1fr; padding: 2rem 1.5rem; } }
.bl-news h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.15;
  margin: 0 0 .85rem;
  color: #fff;
  position: relative;
}
.bl-news p {
  color: rgba(255,255,255,.78);
  line-height: 1.6;
  margin: 0 0 1.25rem;
  font-size: 1rem;
  position: relative;
}
.bl-news__form {
  display: flex;
  gap: .5rem;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 14px;
  padding: .35rem;
  backdrop-filter: blur(8px);
  position: relative;
}
.bl-news__form input {
  flex: 1;
  background: transparent;
  border: 0;
  color: #fff;
  padding: .85rem 1rem;
  font-size: .95rem;
  outline: none;
  font-family: inherit;
}
.bl-news__form input::placeholder { color: rgba(255,255,255,.5); }
.bl-news__form button {
  background: #fff;
  color: var(--bl-ink);
  border: 0;
  padding: .75rem 1.25rem;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  font-size: .9rem;
  transition: transform .15s ease;
}
.bl-news__form button:hover { transform: scale(1.02); }
.bl-news__fine { display: block; font-size: .75rem; color: rgba(255,255,255,.55); margin-top: .65rem; position: relative; }
.bl-news__feature {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .75rem;
}
.bl-news__feature li {
  display: flex; align-items: center; gap: .55rem;
  color: rgba(255,255,255,.85);
  font-size: .92rem;
}
.bl-news__feature svg {
  width: 18px; height: 18px;
  background: rgba(52,211,153,.18);
  color: #34d399;
  border-radius: 50%;
  padding: 3px;
  flex: 0 0 18px;
}

/* ═══════════════ Single article ═══════════════ */
.bl-post-hero {
  padding: 6rem 0 2rem;
  background: linear-gradient(180deg, #ffffff 0%, var(--bl-bg) 100%);
  border-bottom: 1px solid var(--bl-line);
}
.bl-post-hero__crumb {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  color: var(--bl-muted);
  font-size: .82rem;
  font-weight: 600;
  text-decoration: none;
  margin-bottom: 1.25rem;
}
.bl-post-hero__crumb a { color: inherit; text-decoration: none; }
.bl-post-hero__crumb a:hover { color: var(--bl-accent); }
.bl-post-hero__crumb svg { width: 12px; height: 12px; opacity: .5; }

.bl-post-hero__cat {
  display: inline-block;
  background: rgba(108,92,231,.1);
  color: var(--bl-purple);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .4rem .8rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}
.bl-post-hero h1 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: clamp(2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -.025em;
  line-height: 1.1;
  margin: 0 0 1rem;
  color: var(--bl-ink);
  max-width: 26ch;
}
.bl-post-hero__lede {
  font-family: var(--bl-serif);
  font-size: clamp(1.1rem, 1.8vw, 1.35rem);
  font-weight: 400;
  color: var(--bl-soft);
  line-height: 1.55;
  max-width: 60ch;
  margin: 0 0 2rem;
}

.bl-post-hero__meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  padding-top: 1.25rem;
  border-top: 1px solid var(--bl-line);
}
.bl-post-hero__meta-author { display: inline-flex; align-items: center; gap: .65rem; }
.bl-post-hero__meta-author strong { display: block; color: var(--bl-ink); font-size: .9rem; }
.bl-post-hero__meta-author small { font-size: .78rem; color: var(--bl-muted); }
.bl-post-hero__meta-info { display: flex; align-items: center; gap: 1rem; color: var(--bl-muted); font-size: .82rem; flex-wrap: wrap; }
.bl-post-hero__meta-info > span { display: inline-flex; align-items: center; gap: .35rem; }
.bl-post-hero__meta-info svg { width: 14px; height: 14px; }
.bl-post-hero__share { margin-left: auto; display: flex; gap: .4rem; }
.bl-post-hero__share a {
  width: 34px; height: 34px;
  display: inline-flex; align-items: center; justify-content: center;
  background: #fff;
  border: 1px solid var(--bl-line-2);
  border-radius: 8px;
  color: var(--bl-soft);
  transition: all .15s ease;
}
.bl-post-hero__share a:hover { background: var(--bl-accent); color: #fff; border-color: var(--bl-accent); transform: translateY(-1px); }
.bl-post-hero__share svg { width: 16px; height: 16px; }

.bl-post-cover {
  aspect-ratio: 16 / 7;
  border-radius: 20px;
  margin: 2rem 0 0;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(60% 80% at 20% 20%, rgba(108,92,231,.5), transparent 60%),
    radial-gradient(70% 80% at 80% 80%, rgba(47,107,255,.55), transparent 55%),
    linear-gradient(135deg, #1a1f3e 0%, #0b0f24 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3rem);
  letter-spacing: -.03em;
  text-align: center;
  padding: 2rem;
  box-shadow: 0 30px 70px -28px rgba(11,15,36,.4);
}
.bl-post-cover::after {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 22px 22px;
  pointer-events: none;
}
.bl-post-cover span { font-size: 1rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(255,255,255,.55); display: block; margin-top: .85rem; font-weight: 600; }

/* ── Article body (3-col: TOC, body, side rail) ── */
.bl-post-wrap {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 300px;
  gap: 3.5rem;
  padding: 3.5rem 0 4rem;
}
@media (max-width: 1180px) {
  .bl-post-wrap { grid-template-columns: 200px minmax(0, 1fr); gap: 2.5rem; }
  .bl-rail { display: none; }
}
@media (max-width: 860px) {
  .bl-post-wrap { grid-template-columns: 1fr; gap: 2rem; }
}

.bl-toc {
  position: sticky;
  top: 100px;
  align-self: start;
  border-left: 2px solid var(--bl-line);
  padding-left: 1.25rem;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  scrollbar-width: thin;
}
@media (max-width: 860px) { .bl-toc { position: static; border-left: 0; padding-left: 0; background: #fff; border: 1px solid var(--bl-line-2); border-radius: 14px; padding: 1rem 1.25rem; max-height: none; } }
.bl-toc__title { font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--bl-muted); font-weight: 800; margin: 0 0 .85rem; }
.bl-toc ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .5rem; counter-reset: bltoc; }
.bl-toc ol li { counter-increment: bltoc; }
.bl-toc ol a {
  display: flex; gap: .5rem; align-items: baseline;
  color: var(--bl-soft);
  font-size: .85rem;
  text-decoration: none;
  font-weight: 500;
  padding: .15rem 0;
  line-height: 1.45;
}
.bl-toc ol a::before {
  content: counter(bltoc, decimal-leading-zero);
  font-family: 'JetBrains Mono', ui-monospace, monospace;
  font-size: .65rem; color: var(--bl-faint); font-weight: 600;
  flex: 0 0 22px;
}
.bl-toc ol a:hover { color: var(--bl-accent); }

.bl-prose { font-size: 1.075rem; line-height: 1.75; color: #1f2937; }
.bl-prose > * + * { margin-top: 1.25rem; }
.bl-prose h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: -.02em;
  line-height: 1.2;
  color: var(--bl-ink);
  margin: 3rem 0 1rem;
  scroll-margin-top: 96px;
}
.bl-prose h2:first-child { margin-top: 0; }
.bl-prose h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.3;
  color: var(--bl-ink);
  margin: 2rem 0 .75rem;
}
.bl-prose p { margin: 0; }
.bl-prose a { color: var(--bl-accent); text-decoration: underline; text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
.bl-prose a:hover { color: var(--bl-purple); }
.bl-prose ul, .bl-prose ol { padding-left: 1.5rem; margin: 1rem 0; display: flex; flex-direction: column; gap: .55rem; }
.bl-prose ul li::marker { color: var(--bl-accent); }
.bl-prose strong { color: var(--bl-ink); font-weight: 700; }
.bl-prose code {
  background: rgba(47,107,255,.08);
  color: var(--bl-accent);
  padding: .15rem .4rem;
  border-radius: 4px;
  font-size: .9em;
  font-family: 'JetBrains Mono', ui-monospace, monospace;
}
.bl-prose blockquote {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  border-left: 4px solid var(--bl-accent);
  background: rgba(47,107,255,.04);
  border-radius: 0 12px 12px 0;
  font-family: var(--bl-serif);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--bl-ink);
  line-height: 1.5;
}
.bl-prose blockquote cite {
  display: block;
  margin-top: .75rem;
  font-family: 'Inter', sans-serif;
  font-style: normal;
  font-size: .82rem;
  color: var(--bl-muted);
  font-weight: 600;
}
.bl-prose blockquote cite::before { content: '— '; }
.bl-prose figure { margin: 2rem 0; }
.bl-prose figcaption { font-size: .82rem; color: var(--bl-muted); text-align: center; margin-top: .55rem; font-style: italic; }

.bl-callout {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  border-radius: 14px;
  background: linear-gradient(180deg, rgba(47,107,255,.06), rgba(47,107,255,.02));
  border: 1px solid rgba(47,107,255,.18);
}
.bl-callout__label {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  background: var(--bl-accent);
  color: #fff;
  font-size: .68rem;
  font-weight: 800;
  letter-spacing: .1em;
  text-transform: uppercase;
  padding: .25rem .6rem;
  border-radius: 6px;
  margin-bottom: .6rem;
}
.bl-callout p { margin: 0; color: var(--bl-ink); font-size: .98rem; line-height: 1.6; }
.bl-callout--green { background: linear-gradient(180deg, rgba(16,185,129,.07), rgba(16,185,129,.02)); border-color: rgba(16,185,129,.2); }
.bl-callout--green .bl-callout__label { background: var(--bl-green); }
.bl-callout--gold { background: linear-gradient(180deg, rgba(201,163,107,.1), rgba(201,163,107,.03)); border-color: rgba(201,163,107,.25); }
.bl-callout--gold .bl-callout__label { background: var(--bl-gold); }

.bl-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 2rem 0;
}
@media (max-width: 640px) { .bl-stat-grid { grid-template-columns: 1fr; } }
.bl-stat-card {
  background: #fff;
  border: 1px solid var(--bl-line-2);
  border-radius: 14px;
  padding: 1.25rem;
  text-align: left;
}
.bl-stat-card strong {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2rem;
  font-weight: 800;
  color: var(--bl-accent);
  display: block;
  line-height: 1;
  margin-bottom: .35rem;
  letter-spacing: -.02em;
}
.bl-stat-card span {
  font-size: .82rem;
  color: var(--bl-muted);
  line-height: 1.4;
  display: block;
}

.bl-post-tags {
  margin-top: 3rem;
  padding-top: 1.75rem;
  border-top: 1px solid var(--bl-line);
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.bl-post-tag {
  background: rgba(11,15,36,.04);
  color: var(--bl-soft);
  font-size: .8rem;
  font-weight: 600;
  padding: .4rem .8rem;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid var(--bl-line);
  transition: all .15s ease;
}
.bl-post-tag:hover { background: var(--bl-accent); color: #fff; border-color: var(--bl-accent); }

.bl-post-author {
  margin-top: 3rem;
  padding: 1.75rem;
  background: #fff;
  border: 1px solid var(--bl-line-2);
  border-radius: 18px;
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 1.25rem;
  align-items: start;
}
.bl-post-author .bl-author-avatar { width: 64px; height: 64px; flex: 0 0 64px; font-size: 1.3rem; }
.bl-post-author h4 { margin: 0 0 .3rem; font-family: 'Plus Jakarta Sans', sans-serif; font-weight: 700; font-size: 1.05rem; }
.bl-post-author p { margin: 0; color: var(--bl-soft); font-size: .9rem; line-height: 1.55; }
.bl-post-author small { display: block; margin-top: .5rem; color: var(--bl-muted); font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }

/* ── Sticky right rail ── */
.bl-rail {
  position: sticky;
  top: 100px;
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
  scrollbar-width: thin;
  padding-right: .25rem;
}
.bl-rail__card {
  background: #fff;
  border: 1px solid var(--bl-line-2);
  border-radius: 14px;
  padding: 1rem 1.1rem;
}
.bl-rail__label {
  font-size: .65rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--bl-muted);
  font-weight: 800;
  margin: 0 0 .75rem;
}
.bl-rail__label--light { color: rgba(255,255,255,.7); }

/* Reading progress */
.bl-rail__progress { display: flex; flex-direction: column; gap: .4rem; }
.bl-rail__progress small { color: var(--bl-muted); font-size: .72rem; font-weight: 700; align-self: flex-end; font-variant-numeric: tabular-nums; }
.bl-rail__bar { height: 6px; background: rgba(11,15,36,.06); border-radius: 999px; overflow: hidden; }
.bl-rail__bar span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--bl-accent), var(--bl-purple)); border-radius: 999px; transition: width .15s linear; }

/* Share */
.bl-rail__share { display: flex; flex-direction: column; gap: .25rem; }
.bl-rail__share a,
.bl-rail__share button {
  display: inline-flex; align-items: center; gap: .65rem;
  background: transparent;
  border: 0;
  color: var(--bl-ink);
  font-size: .85rem;
  font-weight: 600;
  text-decoration: none;
  padding: .5rem .55rem;
  border-radius: 8px;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  width: 100%;
  transition: background .15s ease, color .15s ease;
}
.bl-rail__share a:hover,
.bl-rail__share button:hover { background: rgba(47,107,255,.07); color: var(--bl-accent); }
.bl-rail__share svg { width: 16px; height: 16px; flex: 0 0 16px; }
.bl-rail__share .bl-rail__copy.is-copied { color: var(--bl-green); }

/* Newsletter */
.bl-rail__newsletter {
  background: linear-gradient(135deg, #0b0f24 0%, #1a1f3e 100%);
  border-color: rgba(255,255,255,.08);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.bl-rail__newsletter::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(120% 80% at 0% 0%, rgba(108,92,231,.35), transparent 55%),
              radial-gradient(120% 80% at 100% 100%, rgba(47,107,255,.4), transparent 55%);
  pointer-events: none;
  z-index: 0;
}
.bl-rail__newsletter > * { position: relative; z-index: 1; }
.bl-rail__newsletter h4 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -.015em;
  margin: 0 0 .5rem;
  color: #fff;
}
.bl-rail__newsletter p { margin: 0 0 .85rem; color: rgba(255,255,255,.72); font-size: .82rem; line-height: 1.5; }
.bl-rail__newsletter form { display: flex; flex-direction: column; gap: .5rem; }
.bl-rail__newsletter input {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.14);
  border-radius: 8px;
  padding: .6rem .75rem;
  font-size: .85rem;
  color: #fff;
  font-family: inherit;
  outline: none;
  transition: border-color .15s ease, background .15s ease;
}
.bl-rail__newsletter input::placeholder { color: rgba(255,255,255,.5); }
.bl-rail__newsletter input:focus { border-color: var(--bl-accent); background: rgba(255,255,255,.14); }
.bl-rail__newsletter button {
  background: var(--bl-accent);
  color: #fff;
  border: 0;
  border-radius: 8px;
  padding: .65rem 1rem;
  font-size: .85rem;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  transition: background .15s ease, transform .15s ease;
}
.bl-rail__newsletter button:hover { background: var(--bl-purple); transform: translateY(-1px); }

/* Author mini */
.bl-rail__author { display: flex; align-items: center; gap: .65rem; margin-bottom: .65rem; }
.bl-rail__author .bl-author-avatar { width: 38px; height: 38px; font-size: .85rem; }
.bl-rail__author strong { display: block; color: var(--bl-ink); font-size: .9rem; }
.bl-rail__author small { color: var(--bl-muted); font-size: .76rem; }
.bl-rail__bio { margin: 0; font-size: .82rem; color: var(--bl-soft); line-height: 1.55; }

/* More like this */
.bl-rail__more { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .15rem; }
.bl-rail__more a {
  display: flex; flex-direction: column; gap: .2rem;
  padding: .65rem .55rem;
  border-radius: 8px;
  color: var(--bl-ink);
  text-decoration: none;
  transition: background .15s ease;
}
.bl-rail__more a:hover { background: rgba(47,107,255,.05); }
.bl-rail__more-cat { font-size: .62rem; letter-spacing: .12em; text-transform: uppercase; color: var(--bl-accent); font-weight: 800; }
.bl-rail__more-t { font-size: .82rem; font-weight: 600; line-height: 1.35; color: var(--bl-ink); }
.bl-rail__more small { font-size: .7rem; color: var(--bl-muted); font-weight: 600; }

/* ═══════════════ Related ═══════════════ */
.bl-related {
  background: var(--bl-card);
  border-top: 1px solid var(--bl-line);
  padding: 3.5rem 0 5rem;
}
.bl-related h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 1.5rem;
  letter-spacing: -.01em;
}