/* ==========================================================================
   Octelligence - Blog Layouts
   Reuses tokens from /assets/site.css
   ========================================================================== */

/* ---------------------------------------------------------------
   Blog hero (light editorial) - overrides .site-hero--landing
   when .blog-hero is applied as a sibling class.
   --------------------------------------------------------------- */
.blog-hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, #ffffff 0%, #f6f8fc 100%);
  color: var(--text);
  border-bottom: 1px solid var(--border-light);
}
/* Editorial radial accents - subtle, brand-aligned */
.blog-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 55% 50% at 100% 0%, rgba(185, 127, 28, 0.08) 0%, transparent 55%),
    radial-gradient(ellipse 50% 45% at 0% 100%, rgba(30, 64, 175, 0.06) 0%, transparent 55%);
}
/* Editorial paper-grid texture - very faint */
.blog-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(11, 18, 32, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 18, 32, 0.025) 1px, transparent 1px);
  background-size: 136px 136px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.1));
}

/* Category-archive variant - same editorial light, with an amber accent rail */
.blog-hero--category {
  background:
    linear-gradient(180deg, #ffffff 0%, #f6f8fc 100%);
  border-top: 3px solid var(--accent-amber);
}
.blog-hero--category::before {
  background:
    radial-gradient(ellipse 50% 45% at 100% 0%, rgba(185, 127, 28, 0.1) 0%, transparent 55%),
    radial-gradient(ellipse 45% 40% at 0% 100%, rgba(30, 64, 175, 0.05) 0%, transparent 55%);
}

.blog-hero .container { position: relative; z-index: 1; }

.blog-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-amber);
  background: rgba(185, 127, 28, 0.08);
  border: 1px solid rgba(185, 127, 28, 0.22);
  padding: .32rem .8rem;
  border-radius: 999px;
  margin-bottom: 1.25rem;
}
.blog-hero__title {
  font-family: var(--font-display);
  color: var(--text);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: -0.025em;
  margin-bottom: 0.8rem;
  font-size: clamp(2.4rem, 4.5vw, 3.6rem);
}
.blog-hero__subtitle {
  color: var(--text-secondary);
  font-size: 1.12rem;
  line-height: 1.65;
  margin-bottom: 0;
  max-width: 780px;
}

.blog-section { padding: 4.5rem 0; }
.blog-topics-section { padding: 1.6rem 0; border-bottom: 1px solid var(--border-light); }
.blog-section--alt { background: var(--surface); border-top: 1px solid var(--border-light); }
.blog-shell, .blog-content-wrap { width: 100%; }

.blog-breadcrumbs { font-size: 0.88rem; color: var(--muted); }
.blog-breadcrumbs a { color: var(--accent-primary); text-decoration: none; }
.blog-breadcrumbs a:hover { text-decoration: underline; }
.blog-breadcrumbs .separator { color: #a1afc1; margin: 0 0.35rem; }

.blog-filter-wrap { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1rem; }
.blog-chip {
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-secondary);
  border-radius: 999px;
  padding: 0.45rem 0.8rem;
  font-size: 0.85rem;
  font-weight: 600;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: border-color .15s ease, color .15s ease, background .15s ease;
}
.blog-chip:hover, .blog-chip:focus-visible {
  border-color: rgba(30, 64, 175, 0.32);
  color: var(--text);
  outline: none;
}
.blog-chip.is-active {
  color: var(--accent-primary);
  background: rgba(30, 64, 175, 0.1);
  border-color: rgba(30, 64, 175, 0.22);
}

.blog-list-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.15rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}
.blog-list-subtitle, .blog-page-note { color: var(--text-secondary); }
.blog-page-note { font-size: 0.88rem; }

.blog-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}
.blog-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  border-color: rgba(30, 64, 175, 0.22);
}
.blog-card__thumb {
  aspect-ratio: 16 / 9;
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  background: #dbe8f7;
}
.blog-card__body {
  padding: 1.1rem 1.1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  flex: 1;
}
.blog-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
  font-size: 0.82rem;
  color: var(--muted);
}
.blog-card__meta i, .blog-post-meta i { margin-right: 0.32rem; }
.blog-card__category {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--accent-primary);
  background: rgba(30, 64, 175, 0.1);
  border: 1px solid rgba(30, 64, 175, 0.16);
}
.blog-card__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.015em;
  margin: 0;
}
.blog-card__title a { color: var(--text); text-decoration: none; }
.blog-card__title a:hover { color: var(--accent-strong); }
.blog-card__excerpt {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}
.blog-card__footer {
  margin-top: auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}
.blog-card__read {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
}
.blog-card__read:hover { text-decoration: underline; }

.blog-card-grid--compact { align-items: stretch; }
.blog-card--compact .blog-card__thumb { aspect-ratio: 16 / 8.8; }
.blog-card--compact .blog-card__body { padding: 0.92rem 0.95rem 0.9rem; gap: 0.5rem; }
.blog-card--compact .blog-card__meta { gap: 0.28rem 0.6rem; font-size: 0.74rem; }
.blog-card--compact .blog-card__category { font-size: 0.64rem; padding: 0.14rem 0.46rem; }
.blog-card--compact .blog-card__title { font-size: 0.98rem; line-height: 1.34; }
.blog-card--compact .blog-card__title a {
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 2; overflow: hidden;
}
.blog-card--compact .blog-card__excerpt {
  font-size: 0.88rem; line-height: 1.48;
  display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; overflow: hidden;
}
.blog-card--compact .blog-card__footer { align-items: flex-start; }
.blog-card--compact .blog-card__read { font-size: 0.84rem; }

.blog-featured { display: grid; grid-template-columns: 1.08fr 1fr; gap: 0; }
.blog-featured .blog-card__thumb { height: 100%; min-height: 320px; aspect-ratio: auto; }
.blog-featured .blog-card__body { padding: 1.35rem; }
.blog-featured .blog-card__title { font-size: 1.45rem; }

.blog-section--category { padding-top: 2.6rem; }
.blog-featured--category .blog-card__thumb { min-height: 258px; }
.blog-featured--category .blog-card__body { padding: 1.2rem 1.3rem 1.15rem; gap: 0.6rem; }
.blog-featured--category .blog-card__title { font-size: 1.32rem; }

.blog-card-grid--category { margin-top: 1rem; }
.blog-category-page .blog-card,
.blog-category-page .blog-sidebar-card { box-shadow: none; }
.blog-category-page .blog-sidebar-card { padding: 1rem 1rem 0.85rem; }
.blog-category-page .blog-sidebar-card__link { font-size: 0.86rem; }

.blog-sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  padding: 1rem 1.1rem;
}
.blog-sidebar-card + .blog-sidebar-card { margin-top: 1rem; }
.blog-sidebar-card h3, .blog-sidebar-cta h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 0.65rem;
  letter-spacing: -0.015em;
}
.blog-sidebar-card p, .blog-sidebar-card li, .blog-sidebar-card a {
  font-size: 0.9rem; color: var(--text-secondary); line-height: 1.55;
}
.blog-sidebar-card__link {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.45rem 0;
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: color 0.15s ease;
}
.blog-sidebar-card__link:last-child { border-bottom: none; }
.blog-sidebar-card__link:hover { color: var(--accent-primary); }
.blog-sidebar-card__link i { font-size: 0.8rem; color: var(--accent-primary); }

.blog-sidebar-cta {
  background: linear-gradient(135deg, #0b1220 0%, #1e3a8a 100%);
  color: #ffffff;
  border-radius: var(--radius-xl);
  padding: 1.25rem 1.1rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow-lg);
}
.blog-sidebar-cta h3 { color: #ffffff; }
.blog-sidebar-cta p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.6;
  margin: 0 0 0.85rem;
}

.blog-post-header { padding-top: 2rem; }
.blog-post-title {
  font-family: var(--font-display);
  font-size: clamp(2.05rem, 3.2vw, 2.9rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0.4rem 0 0.75rem;
}
.blog-post-meta {
  display: flex; flex-wrap: wrap; gap: 0.4rem 1rem;
  color: var(--muted); font-size: 0.9rem;
}
.blog-post-media {
  width: 100%; max-width: 100%;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  background: linear-gradient(180deg, #eff4fd 0%, #dbe4fb 100%);
}
.blog-post-featured-image { display: block; width: 100%; max-width: 100%; height: auto; }

.blog-toc {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow-sm);
}
.blog-toc h2 { font-size: 0.92rem; margin: 0 0 0.6rem; font-weight: 700; }
.blog-toc ol { margin: 0; padding-left: 1rem; }
.blog-toc li + li { margin-top: 0.35rem; }
.blog-toc a { color: var(--text-secondary); text-decoration: none; font-size: 0.9rem; }
.blog-toc a:hover { color: var(--text); text-decoration: underline; }

.blog-prose { max-width: none; margin: 0; color: var(--text); }
.blog-prose p, .blog-prose li { font-size: 1.02rem; line-height: 1.78; color: var(--text-secondary); }
.blog-prose p { margin: 0 0 1rem; }
.blog-prose ul, .blog-prose ol { padding-left: 1.2rem; margin: 0 0 1.1rem; }
.blog-prose li + li { margin-top: 0.35rem; }
.blog-prose h2 {
  font-family: var(--font-display);
  font-size: 1.55rem; font-weight: 700; color: var(--text);
  letter-spacing: -0.018em;
  margin: 2.25rem 0 0.85rem;
  scroll-margin-top: 100px;
}
.blog-prose h3 {
  font-family: var(--font-display);
  font-size: 1.18rem; font-weight: 700; color: var(--text);
  margin: 1.35rem 0 0.6rem;
  scroll-margin-top: 100px;
}
.blog-prose hr { border: 0; border-top: 1px solid var(--border); margin: 2rem 0; opacity: 1; }
.blog-prose blockquote {
  margin: 1.25rem 0;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--accent-primary);
  background: rgba(30, 64, 175, 0.05);
  color: var(--text);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.blog-prose code {
  background: rgba(30, 42, 58, 0.06);
  padding: 0.1rem 0.35rem;
  border-radius: 0.35rem;
  color: #24436d;
  font-size: 0.92em;
}

.blog-sequence-list {
  margin: 1.15rem 0 1.35rem;
  padding: 1rem 1.15rem;
  border: 1px solid rgba(30, 64, 175, 0.18);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(227, 235, 251, 0.55));
}
.blog-sequence-list span { display: block; font-weight: 600; color: var(--text); }
.blog-sequence-list span + span { margin-top: 0.45rem; }

a:focus-visible,
button:focus-visible,
.btn:focus-visible,
.blog-chip:focus-visible {
  outline: 2px solid rgba(30, 64, 175, 0.45);
  outline-offset: 2px;
}

@media (max-width: 991.98px) {
  .blog-featured { grid-template-columns: 1fr; }
  .blog-featured .blog-card__thumb { min-height: 220px; }
  .blog-featured--category .blog-card__thumb { min-height: 220px; }
}
@media (max-width: 767.98px) {
  .blog-section { padding: 3.25rem 0; }
  .blog-post-header { padding-top: 1.25rem; }
  .blog-prose p, .blog-prose li { font-size: 0.98rem; }
  .blog-post-meta { font-size: 0.86rem; }
  .blog-card--compact .blog-card__thumb { aspect-ratio: 16 / 9; }
}

/* Lead-magnet CTA styles live in /assets/site.css so they can be reused
   on non-blog pages (solutions, contact, etc.) */