/* Blog listing + article */

.nav-links a.is-current { color: #fff; }

.page-hero {
  padding: calc(var(--nav-height) + 40px) 64px 48px;
  min-height: auto;
  box-sizing: border-box;
}
.page-hero .hero-intro-wrap { gap: 24px; max-width: 720px; }

@media (max-width: 768px) {
  .page-hero { padding: calc(var(--nav-height) + 24px) 24px 36px; }
}

.blog-list-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 32px;
}
.blog-list-card {
  display: flex;
  flex-direction: column;
  padding: 24px 22px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(165deg, rgba(18, 18, 32, 0.95), rgba(8, 8, 16, 0.9));
  text-decoration: none;
  color: inherit;
  transition: all 0.25s ease;
  min-height: 200px;
}
.blog-list-card:hover {
  border-color: rgba(240, 160, 48, 0.25);
  box-shadow: var(--gradient-glow);
  transform: translateY(-3px);
}
.blog-list-meta {
  font-size: 0.72rem;
  color: var(--text-dim);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.blog-list-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  line-height: 1.3;
  margin-bottom: 10px;
  letter-spacing: -0.02em;
  color: #fff;
}
.blog-list-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin: 0 0 auto;
  flex: 1;
}
.blog-list-more {
  margin-top: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--amber);
}

.blog-loading,
.blog-error {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* Article */
.article-wrap {
  max-width: min(1280px, 96vw);
  width: 100%;
  margin: 0 auto;
  padding: calc(var(--nav-height) + 32px) 24px 80px;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 300px);
  gap: 28px 32px;
  align-items: start;
}
.article-main {
  min-width: 0;
}
.article-sidebar {
  position: sticky;
  top: calc(var(--nav-height) + 24px);
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.article-sidebar-block {
  padding: 18px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: linear-gradient(165deg, rgba(18, 18, 32, 0.95), rgba(8, 8, 16, 0.9));
}
.article-sidebar-heading {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 12px;
}
.article-sidebar-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.article-sidebar-list a,
.article-sidebar-link {
  display: block;
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  text-decoration: none;
  text-align: left;
  cursor: pointer;
  font-family: var(--font-body);
  color: inherit;
  transition: border-color 0.2s ease, background 0.2s ease;
  list-style: none;
}
.article-sidebar-list--related a {
  font-size: 0.84rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.35;
}
.article-sidebar-list a:hover,
.article-sidebar-link:hover {
  border-color: rgba(240, 160, 48, 0.28);
  background: rgba(240, 160, 48, 0.06);
}
.article-sidebar-link-title {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.92);
  line-height: 1.35;
  margin-bottom: 4px;
}
.article-sidebar-link-desc {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  line-height: 1.4;
}
.article-sidebar-list--guides li + li {
  margin-top: 0;
}
.article-sidebar-block--cta {
  text-align: center;
  border-color: rgba(240, 160, 48, 0.22);
  background: linear-gradient(165deg, rgba(24, 20, 40, 0.6), rgba(8, 8, 16, 0.95));
}
.article-sidebar-cta-text {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
  margin: 0 0 12px;
}
.article-sidebar-block--cta .btn {
  width: 100%;
  justify-content: center;
}
.article-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 28px;
  text-decoration: none;
  transition: color 0.2s ease;
}
.article-back:hover { color: var(--amber); }
.article-header {
  margin-bottom: 36px;
  padding-bottom: 28px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.article-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber);
  margin-bottom: 12px;
  display: block;
}
.article-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.35rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  color: #fff;
}
.article-meta {
  font-size: 0.82rem;
  color: var(--text-dim);
}
.article-body {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
}
.article-body .article-h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  margin: 36px 0 14px;
  letter-spacing: -0.02em;
  color: #fff;
}
.article-body .article-h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  margin: 28px 0 12px;
  color: rgba(255, 255, 255, 0.92);
}
.article-body .article-p { margin-bottom: 16px; }
.article-body .article-ul,
.article-body .article-ol {
  margin: 0 0 18px 0;
  padding-left: 22px;
}
.article-body .article-ul li,
.article-body .article-ol li {
  margin-bottom: 8px;
  line-height: 1.6;
}
.article-body .article-hr {
  border: none;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin: 32px 0;
}
.article-cta {
  margin-top: 48px;
  padding: 28px 24px;
  border-radius: 14px;
  text-align: center;
  background: linear-gradient(rgba(12, 12, 22, 0.95), rgba(12, 12, 22, 0.95)) padding-box, var(--gradient) border-box;
  border: 1px solid transparent;
}
.article-cta-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}
.article-cta p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.55;
  max-width: 36em;
  margin-left: auto;
  margin-right: auto;
}

@media (max-width: 820px) {
  .blog-list-grid { grid-template-columns: 1fr; }
  .article-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .article-sidebar {
    position: static;
  }
}

/* Rich blocks (A2UI-inspired catalog) */
.article-body .blog-block {
  margin: 28px 0;
  border-radius: 14px;
}
.article-body .blog-block-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 12px;
}
.article-body .blog-media-wrap,
.article-body .blog-video-wrap {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(8, 8, 16, 0.6);
}
.article-body .blog-img {
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
}
.article-body .blog-video-wrap--embed {
  position: relative;
  padding-top: 56.25%;
}
.article-body .blog-video-wrap--embed iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.article-body .blog-block--video {
  max-width: 100%;
  overflow: hidden;
}
.article-body .blog-video-wrap--drive {
  position: relative;
  aspect-ratio: 16 / 9;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  contain: layout paint;
  background: #080810;
  isolation: isolate;
}
.article-body .blog-video-play-hint {
  margin: 8px 0 0;
  font-size: 0.78rem;
  font-weight: 600;
  text-align: center;
  color: rgba(255, 255, 255, 0.55);
}
.article-body .blog-block--video.is-playing .blog-video-play-hint {
  display: none;
}
.article-body .blog-video-wrap--drive:not(.is-playing) .blog-video-poster {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.article-body .blog-video-poster {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: inherit;
  background: #080810;
  cursor: pointer;
  overflow: hidden;
}
.article-body .blog-video-poster img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center;
}
.article-body .blog-video-play-icon {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--gradient);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
  pointer-events: none;
}
.article-body .blog-video-play-icon::after {
  content: '';
  position: absolute;
  left: 54%;
  top: 50%;
  transform: translate(-50%, -50%);
  border-style: solid;
  border-width: 10px 0 10px 16px;
  border-color: transparent transparent transparent #080810;
}
.article-body .blog-video-wrap--drive.is-playing {
  aspect-ratio: 16 / 9;
}
.article-body .blog-video-wrap--drive.is-playing .blog-video-player {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border-radius: inherit;
  background: #080810;
}
.article-body .blog-video-native,
.article-body .blog-video-iframe-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.article-body .blog-video-native {
  display: block;
  object-fit: contain;
  object-position: center;
  background: #080810;
}
.article-body .blog-video-native[hidden],
.article-body .blog-video-iframe-fallback[hidden] {
  display: none !important;
}
.article-body .blog-video-external-link {
  margin: 8px 0 0;
  font-size: 0.8rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
}
.article-body .blog-video-external-link a {
  color: var(--amber);
  font-weight: 600;
}
.article-body .blog-block--video.is-playing .blog-video-external-link[hidden] {
  display: none;
}
.article-body .blog-block--video .blog-figcaption {
  margin-top: 12px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.72);
  text-align: center;
  line-height: 1.45;
}
.article-body .blog-figcaption {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text-dim);
  text-align: center;
}
.article-body .blog-video-open {
  display: none !important;
}
.article-body .blog-block--fallback,
.article-body .blog-media-fallback {
  padding: 20px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  border: 1px dashed rgba(255, 255, 255, 0.15);
  border-radius: 12px;
}
.article-body .blog-table-scroll {
  overflow-x: auto;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.article-body .blog-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.article-body .blog-table th,
.article-body .blog-table td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.article-body .blog-table th {
  background: rgba(240, 160, 48, 0.08);
  color: #fff;
  font-weight: 600;
}
.article-body .blog-chart-wrap {
  padding: 16px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: linear-gradient(165deg, rgba(18, 18, 32, 0.9), rgba(8, 8, 16, 0.85));
  min-height: 260px;
}
.article-body .blog-block--callout {
  padding: 18px 20px;
  border-left: 3px solid var(--amber);
  background: rgba(240, 160, 48, 0.06);
}
.article-body .blog-callout--warning {
  border-left-color: #fb7185;
  background: rgba(251, 113, 133, 0.08);
}
.article-body .blog-callout--tip {
  border-left-color: #34d399;
  background: rgba(52, 211, 153, 0.08);
}
.article-body .blog-callout-title {
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  font-size: 0.9rem;
}
.article-body .blog-callout-body {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
}
.article-body .blog-block--quote {
  padding: 20px 24px;
  border-left: 3px solid rgba(139, 92, 246, 0.6);
  background: rgba(139, 92, 246, 0.06);
  font-style: italic;
}
.article-body .blog-block--quote cite {
  display: block;
  margin-top: 10px;
  font-size: 0.8rem;
  font-style: normal;
  color: var(--text-dim);
}
.article-body .blog-block--comparison {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.article-body .blog-compare-col {
  padding: 18px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(12, 12, 22, 0.8);
}
.article-body .blog-compare-col h4 {
  font-family: var(--font-display);
  font-size: 0.9rem;
  margin-bottom: 8px;
  color: #fff;
}
.article-body .blog-compare-col--right {
  border-color: rgba(240, 160, 48, 0.25);
  box-shadow: inset 0 0 0 1px rgba(240, 160, 48, 0.08);
}
.article-body .article-inline-code {
  font-family: var(--font-mono, 'JetBrains Mono', monospace);
  font-size: 0.85em;
  padding: 2px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
}
@media (max-width: 640px) {
  .article-body .blog-block--comparison { grid-template-columns: 1fr; }
}