/* ==========================================================================
   Pixaclear Resources & Editorial Articles Design System
   Modern Light Architecture · Clean, High-Contrast & Premium
   ========================================================================== */

/* Breadcrumbs */
.article-breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-size: 0.88rem;
  color: #64748b;
  margin-bottom: 1.75rem;
}
.article-breadcrumbs a {
  color: #475569;
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-fast);
}
.article-breadcrumbs a:hover {
  color: var(--accent-dji-blue);
}
.article-breadcrumbs .separator {
  color: #94a3b8;
  font-size: 0.8rem;
}
.article-breadcrumbs .current {
  color: #0f172a;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 340px;
}

/* Redesigned Article Hero Section (Light & Elevated) */
.article-hero-section {
  position: relative;
  padding: 135px 0 60px;
  background: linear-gradient(180deg, #f0f7ff 0%, #f8fafc 100%);
  border-bottom: 1px solid #e2e8f0;
  overflow: hidden;
}

/* Subtle background architectural ambient grid */
.article-hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(#cbd5e1 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.45;
  pointer-events: none;
}

.article-header-content {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  text-align: left;
  z-index: 2;
}

.article-badge-cluster {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #e0f2fe;
  border: 1px solid #bae6fd;
  color: #0284c7;
  padding: 0.4rem 0.95rem;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
  box-shadow: 0 2px 6px rgba(2, 132, 199, 0.08);
}
.article-badge-cluster i {
  color: #0284c7;
}

.article-header-title {
  font-size: clamp(2.15rem, 3.8vw, 3.1rem);
  font-weight: 800;
  line-height: 1.18;
  color: #0f172a;
  letter-spacing: -0.025em;
  margin-bottom: 1.25rem;
}

.article-header-subtitle {
  font-size: 1.18rem;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 2rem;
  font-weight: 400;
}

/* Meta Bar Card */
.article-meta-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding: 0.95rem 1.4rem;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  font-size: 0.88rem;
  color: #475569;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.03);
}
.article-meta-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}
.article-meta-item i {
  color: var(--accent-dji-blue);
  font-size: 0.95rem;
}

/* Pricing answer shown immediately after the article metadata. */
.article-price-lead {
  margin-top: 1.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid #cbd5e1;
}
.article-price-label {
  margin-bottom: 0.65rem;
  color: #475569;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.article-price-figure {
  color: #0369a1;
  font-size: clamp(2rem, 4vw, 3.15rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.035em;
}
.article-price-figure span {
  color: #334155;
  font-size: 0.43em;
  font-weight: 700;
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.article-price-lead p {
  max-width: 740px;
  margin: 0.85rem 0 0;
  color: #334155;
  font-size: 1.02rem;
  line-height: 1.7;
}
.article-price-lead .article-price-disclaimer {
  color: #64748b;
  font-size: 0.9rem;
  font-weight: 600;
}

/* Article Main Content Layout */
.article-main-section {
  padding: 60px 0 100px;
  background: #ffffff;
}
.article-content-container {
  max-width: 860px;
  margin: 0 auto;
}

/* In-article jump navigation */
.article-toc {
  margin: 0 0 3rem;
  padding: 1.5rem 1.75rem;
  background: #ffffff;
  border: 1px solid #dbeafe;
  border-radius: 14px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}
.article-toc-heading {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #0f172a;
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 1rem;
}
.article-toc-heading i {
  color: var(--accent-dji-blue);
}
.article-toc-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem 1.5rem;
  margin: 0;
  padding-left: 1.25rem;
}
.article-toc-list li {
  color: #94a3b8;
  padding-left: 0.2rem;
}
.article-toc-list a {
  padding: 0.12em 0.35em;
  border-radius: 0.4rem;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
  transition: background-color 180ms ease, color 180ms ease;
  color: #334155;
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1.45;
  text-decoration: none;
}
.article-toc-list a:hover {
  background: #e7f1fc;
  color: #0f172a;
}
.article-body h2[id] {
  scroll-margin-top: 110px;
}

/* Concise guides do not need stacked navigation or summary panels. */
.minimal-resource-page .article-featured-media {
  margin-bottom: 2.25rem;
}
.minimal-resource-page .article-toc,
.minimal-resource-page .takeaways-card {
  display: none;
}
.minimal-resource-page .article-body > p:first-child {
  margin-top: 0;
  font-size: 1.15rem;
  line-height: 1.75;
  color: #1e293b;
}
.article-featured-media {
  margin-bottom: 3rem;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid #e2e8f0;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
  background: #f8fafc;
}
.article-featured-media img {
  width: 100%;
  height: auto;
  max-height: 480px;
  object-fit: cover;
  display: block;
}

/* LED video processor guide */
.processor-type-grid,
.application-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.75rem 0 2.25rem;
}
.processor-type-card,
.application-card {
  padding: 1.5rem;
  border: 1px solid #dbeafe;
  border-radius: 16px;
  background: linear-gradient(145deg, #ffffff 0%, #f0f7ff 100%);
}
.processor-type-icon {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: 1rem;
  border-radius: 12px;
  background: #e0f2fe;
  color: #0284c7;
}
.processor-type-card h3,
.application-card h3 {
  margin: 0 0 0.6rem;
  color: #0f172a;
  font-size: 1.08rem;
  line-height: 1.4;
}
.processor-type-card p,
.application-card p {
  margin: 0;
  color: #475569;
  font-size: 0.94rem;
  line-height: 1.65;
}
.application-card p + p {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid #dbeafe;
}
.resolution-callout {
  display: flex;
  align-items: stretch;
  gap: 1.5rem;
  margin: 1.75rem 0 2rem;
  padding: 1.6rem 2rem;
  border: 1px solid #bae6fd;
  border-radius: 16px;
  background: #f0f9ff;
}
.resolution-callout > div:not(.resolution-divider) {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
}
.resolution-label {
  margin-bottom: 0.45rem;
  color: #0369a1;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.resolution-callout strong {
  color: #0f172a;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}
.resolution-callout span:last-child {
  color: #64748b;
  font-size: 0.9rem;
  font-weight: 600;
}
.resolution-divider {
  width: 1px;
  background: #bae6fd;
}
.use-case-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem;
  margin: 1.5rem 0 1.75rem;
}
.use-case-list div {
  padding: 1rem 1.15rem;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #f8fafc;
}
.use-case-list strong,
.use-case-list span {
  display: block;
}
.use-case-list strong {
  margin-bottom: 0.25rem;
  color: #0f172a;
  font-size: 0.95rem;
}
.use-case-list span {
  color: #64748b;
  font-size: 0.9rem;
  line-height: 1.5;
}
.video-layout-visual {
  display: grid;
  grid-template-columns: 2fr 1fr;
  grid-template-rows: repeat(3, minmax(68px, auto));
  gap: 0.65rem;
  margin: 1.75rem 0;
  padding: 0.85rem;
  border-radius: 16px;
  background: #0f172a;
  box-shadow: 0 10px 25px rgba(15, 23, 42, 0.14);
}
.video-layout-main,
.video-layout-side {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1rem;
  border-radius: 9px;
  color: #eff6ff;
  font-size: 0.85rem;
  font-weight: 700;
}
.video-layout-main {
  grid-row: 1 / span 3;
  flex-direction: column;
  background: linear-gradient(135deg, #0369a1, #0ea5e9);
  font-size: 1rem;
}
.video-layout-main i { font-size: 2rem; }
.video-layout-side { background: #1e3a5f; }
.video-layout-side:nth-child(3) { background: #164e63; }
.video-layout-side:nth-child(4) { background: #334155; }

/* Remote display-management guide */
.remote-flow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin: 1.75rem 0 2rem;
  padding: 1.4rem;
  border: 1px solid #bae6fd;
  border-radius: 16px;
  background: linear-gradient(135deg, #f0f9ff 0%, #ffffff 100%);
}
.remote-flow > div {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  min-width: 0;
  text-align: center;
}
.remote-flow > div > i {
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 12px;
  background: #e0f2fe;
  color: #0284c7;
  font-size: 1.15rem;
}
.remote-flow strong { color: #0f172a; font-size: 0.92rem; }
.remote-flow span { color: #64748b; font-size: 0.8rem; line-height: 1.4; }
.remote-flow-arrow { color: #38bdf8; font-size: 1rem; }

/* Executive Key Takeaways Box (Light Tech) */
.takeaways-card {
  background: #f0f9ff;
  border: 1px solid #bae6fd;
  border-left: 5px solid var(--accent-dji-blue);
  border-radius: 12px;
  padding: 1.75rem 2rem;
  margin-bottom: 3rem;
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.06);
}
.takeaways-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: #0369a1;
  font-size: 1.05rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 1.15rem;
}
.takeaways-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.takeaways-list li {
  position: relative;
  padding-left: 1.85rem;
  margin-bottom: 0.85rem;
  color: #1e293b;
  font-size: 1rem;
  line-height: 1.65;
}
.takeaways-list li:last-child {
  margin-bottom: 0;
}
.takeaways-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: #0284c7;
  font-weight: 800;
  font-size: 1.1rem;
}
.takeaways-list li strong {
  color: #0f172a;
}

/* Article Prose Typography */
.article-body {
  color: #334155;
  font-size: 1.08rem;
  line-height: 1.82;
  letter-spacing: -0.01em;
}
.article-body h2 {
  font-size: 1.85rem;
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.02em;
  margin-top: 3.25rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid #e2e8f0;
}
.article-body h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #0369a1;
  margin-top: 2.25rem;
  margin-bottom: 0.85rem;
}
.article-body p {
  margin-bottom: 1.5rem;
}
.article-body strong {
  color: #0f172a;
  font-weight: 700;
}
/* Compact prose links match the homepage without changing conversion buttons. */
.article-body a {
  color: var(--accent-dji-blue);
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
}
.article-body a:hover {
  color: #0369a1;
}
.article-body a:not(.btn),
.article-body a:not(.btn):visited {
  padding: 0.12em 0.35em;
  border-radius: 0.4rem;
  background: #f1f5f9;
  color: #334155;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
  transition: background-color 180ms ease, color 180ms ease;
}
.article-body a:not(.btn):hover {
  background: #e7f1fc;
  color: #0f172a;
}
.article-body .resource-link-tail {
  white-space: nowrap;
}
.article-body .resource-link-arrow {
  display: inline-block;
  margin-left: 0.2em;
  color: #64748b;
  transition: color 180ms ease, transform 180ms ease;
}
.article-body a:hover .resource-link-arrow {
  color: var(--accent-dji-blue);
  transform: translate(1px, -1px);
}
.article-body a:not(.btn):focus-visible,
.article-toc-list a:focus-visible {
  outline: 2px solid var(--accent-dji-blue);
  outline-offset: 3px;
}
@media (prefers-reduced-motion: reduce) {
  .article-body a:not(.btn),
  .article-body .resource-link-arrow,
  .article-toc-list a {
    transition: none;
  }
  .article-body a:hover .resource-link-arrow {
    transform: none;
  }
}
.article-body ul, 
.article-body ol {
  margin: 1.25rem 0 1.75rem 1.5rem;
}
.article-body li {
  margin-bottom: 0.65rem;
  line-height: 1.7;
}

.price-factor-grid {
  counter-reset: price-factor;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.5rem;
}
.price-factor {
  counter-increment: price-factor;
  position: relative;
  padding: 1.45rem 1.4rem 1.35rem 4.5rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
}
.price-factor::before {
  content: counter(price-factor, decimal-leading-zero);
  position: absolute;
  top: 1.35rem;
  left: 1.3rem;
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 10px;
  background: #e0f2fe;
  color: #0284c7;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.03em;
}
.price-factor h3 {
  margin: 0 0 0.55rem;
  color: #0f172a;
  font-size: 1.08rem;
  line-height: 1.4;
}
.price-factor p {
  margin: 0;
  color: #475569;
  font-size: 0.96rem;
  line-height: 1.65;
}
.author-info h4 a {
  color: inherit;
  text-decoration: none;
}
.author-info h4 a:hover,
.author-info h4 a:focus-visible {
  color: var(--accent-dji-blue);
}

/* ROI guide layouts */
.roi-framework-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0 2.5rem;
}
.roi-framework-card {
  padding: 1.6rem;
  border: 1px solid #dbeafe;
  border-radius: 16px;
  background: linear-gradient(145deg, #ffffff 0%, #f0f7ff 100%);
}
.roi-framework-icon {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  margin-bottom: 1rem;
  border-radius: 12px;
  background: #e0f2fe;
  color: #0284c7;
}
.roi-framework-card h3,
.roi-evidence-card h3 {
  margin: 0 0 0.6rem;
  color: #0f172a;
  font-size: 1.08rem;
  line-height: 1.4;
}
.roi-framework-card p,
.roi-evidence-card p {
  margin: 0;
  color: #475569;
  font-size: 0.96rem;
  line-height: 1.65;
}
.roi-evidence-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.roi-evidence-card {
  padding: 1.4rem;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  background: #f8fafc;
}
.roi-evidence-value {
  margin-bottom: 0.45rem;
  color: #0284c7;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}
.article-source-note {
  padding-left: 1rem;
  border-left: 3px solid #bae6fd;
  color: #64748b;
  font-size: 0.9rem;
  line-height: 1.65;
}
.roi-formula-box {
  margin: 1.5rem 0 2rem;
  padding: 1.4rem 1.5rem;
  border: 1px solid #bae6fd;
  border-radius: 14px;
  background: #f0f9ff;
}
.roi-formula-box p {
  margin: 0;
  color: #334155;
}
.roi-formula-box p + p {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px solid #bae6fd;
}

/* Editorial Tables (Clean Light Surface) */
.article-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 2.25rem 0 2.75rem;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  background: #ffffff;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.04);
}
.article-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.95rem;
}
.article-table th {
  background: #f1f5f9;
  color: #0f172a;
  font-weight: 700;
  padding: 1.1rem 1.25rem;
  border-bottom: 2px solid #cbd5e1;
  white-space: nowrap;
}
.article-table td {
  padding: 1.1rem 1.25rem;
  color: #334155;
  border-bottom: 1px solid #f1f5f9;
  vertical-align: top;
}
.article-table tr:last-child td {
  border-bottom: none;
}
.article-table tr:hover td {
  background: #f8fafc;
}
.article-table td strong {
  color: #0f172a;
}

/* Callout Boxes (Light Themes) */
.callout-box {
  border-radius: 12px;
  padding: 1.4rem 1.75rem;
  margin: 2rem 0;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}
.callout-box.tip {
  border-left: 4px solid #10b981;
  background: #ecfdf5;
  border-color: #a7f3d0;
}
.callout-box.warning {
  border-left: 4px solid #f59e0b;
  background: #fffbeb;
  border-color: #fde68a;
}
.callout-box.regulatory {
  border-left: 4px solid #8b5cf6;
  background: #f5f3ff;
  border-color: #ddd6fe;
}
.callout-header {
  font-weight: 800;
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.callout-box.tip .callout-header { color: #065f46; }
.callout-box.warning .callout-header { color: #92400e; }
.callout-box.regulatory .callout-header { color: #5b21b6; }

/* Pro-Tip Box (Clean Slate Light) */
.pro-tip-box {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-left: 4px solid #10b981;
  padding: 1.35rem 1.65rem;
  border-radius: 10px;
  margin: 2.25rem 0;
  box-shadow: 0 2px 10px rgba(16, 185, 129, 0.05);
}
.pro-tip-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  color: #166534;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  margin-bottom: 0.5rem;
}
.pro-tip-box p {
  color: #1f2937;
  margin-bottom: 0;
  line-height: 1.65;
}

/* Needs Input Marker */
.needs-input {
  display: inline-block;
  background: #fff7ed;
  border: 1px dashed #f97316;
  color: #c2410c;
  padding: 0.15rem 0.55rem;
  border-radius: 4px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.88em;
  font-weight: 600;
}

/* Author Byline Box */
.author-card {
  margin-top: 3.5rem;
  padding: 2rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  box-shadow: 0 4px 16px rgba(15, 23, 42, 0.03);
}
.author-avatar {
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0070d2, #00c6ff);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.8rem;
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(0, 112, 210, 0.25);
}
.author-info h4 {
  font-size: 1.15rem;
  color: #0f172a;
  font-weight: 700;
  margin-bottom: 0.35rem;
}
.author-info p {
  color: #475569;
  font-size: 0.92rem;
  line-height: 1.55;
  margin: 0;
}

/* Resource CTA based on the homepage and outdoor-page conversion panels. */
.article-cta-box {
  position: relative;
  overflow: hidden;
  margin-top: 3.5rem;
  padding: 3.25rem 2.5rem;
  border: 1px solid rgba(0, 112, 210, 0.25);
  border-radius: 24px;
  background: linear-gradient(135deg, #ffffff 0%, #f0f7ff 50%, #e0f2fe 100%);
  text-align: center;
  box-shadow: 0 20px 50px -10px rgba(0, 112, 210, 0.14), 0 4px 16px rgba(15, 23, 42, 0.03);
}
.article-cta-box::before {
  content: "";
  position: absolute;
  top: -70%;
  left: 50%;
  width: 700px;
  height: 400px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, rgba(0, 112, 210, 0.12) 0%, transparent 70%);
  filter: blur(50px);
  pointer-events: none;
}
.article-cta-box > * {
  position: relative;
  z-index: 1;
}
.article-cta-box h3 {
  font-size: 2rem;
  color: #0f172a;
  margin-bottom: 0.85rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.article-cta-box p {
  color: #475569;
  max-width: 620px;
  margin: 0 auto 2rem;
  font-size: 1.05rem;
  line-height: 1.65;
}
.article-cta-box .btn {
  margin: 0.35rem;
}
.article-cta-box .btn,
.article-cta-box .btn:hover,
.article-cta-box .btn:focus-visible {
  color: #ffffff;
  text-decoration: none;
}
.article-cta-box .btn.btn-outline {
  background: #ffffff;
  border-color: #cbd5e1;
  color: #0f172a;
}
.article-cta-box .btn.btn-outline:hover,
.article-cta-box .btn.btn-outline:focus-visible {
  background: #0f172a;
  border-color: #0f172a;
  color: #ffffff;
}

/* Related Articles Cluster */
.related-articles-section {
  padding: 80px 0 100px;
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
}
.related-articles-section h2 {
  color: #0f172a !important;
  font-weight: 800;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 2.5rem;
}
.related-card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  text-decoration: none;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.03);
}
.related-card:hover {
  transform: translateY(-4px);
  border-color: #38bdf8;
  box-shadow: 0 12px 28px rgba(0, 112, 210, 0.08);
}
.related-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #0284c7;
  margin-bottom: 0.75rem;
}
.related-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.45;
  margin-bottom: 0.75rem;
  transition: color var(--transition-fast);
}
.related-card:hover .related-title {
  color: #0284c7;
}
.related-desc {
  font-size: 0.9rem;
  color: #475569;
  line-height: 1.55;
  margin-bottom: 1.25rem;
}
.related-link-text {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--accent-dji-blue);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* Resources Hub Index Page Styles (Light) */
.resources-hero-light {
  position: relative;
  padding: 135px 0 65px;
  background: linear-gradient(180deg, #f0f7ff 0%, #ffffff 100%);
  border-bottom: 1px solid #e2e8f0;
  text-align: center;
  overflow: hidden;
}
.resources-hero-light::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(#cbd5e1 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.4;
  pointer-events: none;
}
.resources-hero-light h1 {
  font-size: clamp(2.3rem, 4vw, 3.25rem);
  font-weight: 800;
  color: #0f172a;
  letter-spacing: -0.025em;
  margin: 1rem 0 1.25rem;
}
.resources-hero-lead {
  font-size: 1.15rem;
  color: #475569;
  line-height: 1.7;
  max-width: 760px;
  margin: 0 auto;
}

.resources-filter-bar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 2.5rem 0 1rem;
}
.resources-filter-btn {
  background: #ffffff;
  border: 1px solid #cbd5e1;
  color: #475569;
  padding: 0.6rem 1.35rem;
  border-radius: 9999px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(15, 23, 42, 0.04);
  transition: all var(--transition-fast);
}
.resources-filter-btn:hover {
  border-color: var(--accent-dji-blue);
  color: var(--accent-dji-blue);
  background: #f8fafc;
}
.resources-filter-btn.active {
  background: var(--accent-dji-blue);
  color: #ffffff;
  border-color: var(--accent-dji-blue);
  box-shadow: 0 4px 14px rgba(0, 112, 210, 0.25);
}

.resources-topic-jump {
  max-width: 650px;
  margin: 1.25rem auto 0;
  padding: 0.8rem 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid #dbeafe;
  border-radius: 12px;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
}
.resources-topic-jump label {
  flex: 0 0 auto;
  color: #0f172a;
  font-size: 0.88rem;
  font-weight: 800;
}
.resources-topic-jump select {
  min-width: 0;
  width: 100%;
  padding: 0.6rem 2.25rem 0.6rem 0.75rem;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #ffffff;
  color: #334155;
  font: inherit;
}

.planned-topics-section {
  padding: 80px 0;
  background: #ffffff;
  border-top: 1px solid #e2e8f0;
}
.planned-topics-header {
  max-width: 760px;
  margin: 0 auto 2.5rem;
  text-align: center;
}
.planned-topics-header h2 {
  color: #0f172a;
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-bottom: 0.8rem;
}
.planned-topics-header p {
  color: #64748b;
  line-height: 1.7;
}
.planned-topics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.planned-topic-group {
  padding: 1.35rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
}
.planned-topic-group h3 {
  color: #0369a1;
  font-size: 1rem;
  margin-bottom: 0.9rem;
}
.planned-topic-group ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.planned-topic-group li {
  position: relative;
  padding: 0.55rem 0 0.55rem 1.15rem;
  color: #475569;
  font-size: 0.9rem;
  line-height: 1.45;
  border-top: 1px solid #e2e8f0;
}
.planned-topic-group li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1rem;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-dji-blue);
}

.resources-grid-section {
  padding: 50px 0 100px;
  background: #f8fafc;
}

.resources-articles-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
.article-hub-card {
  position: relative;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.03);
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
}
.article-hub-card-footer a::after {
  content: "";
  position: absolute;
  inset: 0;
}
.article-hub-card:focus-within {
  outline: 3px solid rgba(0, 125, 235, 0.35);
  outline-offset: 4px;
}
.article-hub-card:hover {
  transform: translateY(-5px);
  border-color: #38bdf8;
  box-shadow: 0 15px 35px rgba(15, 23, 42, 0.08), 0 0 15px rgba(0, 112, 210, 0.06);
}
.article-hub-card-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #e2e8f0;
  overflow: hidden;
}
.article-hub-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.article-hub-card:hover .article-hub-card-thumb img {
  transform: scale(1.05);
}
.article-hub-card-body {
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.article-hub-card-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #0284c7;
  letter-spacing: 0.05em;
  margin-bottom: 0.65rem;
}
.article-hub-card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: #0f172a;
  line-height: 1.4;
  margin-bottom: 0.75rem;
  transition: color var(--transition-fast);
}
.article-hub-card:hover .article-hub-card-title {
  color: #0284c7;
}
.article-hub-card-desc {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}
.article-hub-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid #f1f5f9;
  font-size: 0.84rem;
  color: #64748b;
}

/* Mobile Responsive */
@media (max-width: 992px) {
  .article-header-title {
    font-size: 2.15rem;
  }
  .resources-articles-grid,
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .planned-topics-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .processor-type-grid,
  .application-grid {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  .article-header-title {
    font-size: 1.85rem;
  }
  .resources-articles-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }
  .article-toc-list,
  .planned-topics-grid {
    grid-template-columns: 1fr;
  }
  .resources-topic-jump {
    align-items: stretch;
    flex-direction: column;
    text-align: left;
  }
  .author-card {
    flex-direction: column;
    text-align: center;
  }
  .article-meta-bar {
    gap: 0.85rem;
  }
  .minimal-resource-page .article-breadcrumbs {
    margin-bottom: 1.2rem;
  }
  .minimal-resource-page .article-badge-cluster {
    margin-bottom: 0.9rem;
  }
  .minimal-resource-page .article-header-title {
    margin-bottom: 0.85rem;
  }
  .minimal-resource-page .article-header-subtitle {
    margin-bottom: 1.25rem;
    font-size: 1.05rem;
    line-height: 1.55;
  }
  .minimal-resource-page .article-meta-bar {
    padding: 0.8rem 1rem;
  }
  .minimal-resource-page .article-meta-item:nth-child(n + 3) {
    display: none;
  }
  .minimal-resource-page .article-price-lead {
    margin-top: 1.25rem;
    padding-top: 1.1rem;
  }
  .minimal-resource-page .article-price-label {
    display: none;
  }
  .article-price-figure span {
    display: block;
    margin-top: 0.35rem;
    font-size: 0.5em;
  }
  .price-factor-grid {
    grid-template-columns: 1fr;
  }
  .use-case-list {
    grid-template-columns: 1fr;
  }
  .resolution-callout {
    flex-direction: column;
    gap: 1rem;
    padding: 1.35rem;
  }
  .resolution-divider {
    width: 100%;
    height: 1px;
  }
  .video-layout-visual {
    grid-template-columns: 1.4fr 1fr;
  }
  .remote-flow {
    align-items: stretch;
    flex-direction: column;
  }
  .remote-flow-arrow {
    align-self: center;
    transform: rotate(90deg);
  }
  .roi-framework-grid,
  .roi-evidence-grid {
    grid-template-columns: 1fr;
  }
  .price-factor {
    padding: 1.3rem 1.2rem 1.25rem 4.25rem;
  }
  .price-factor::before {
    top: 1.2rem;
    left: 1.15rem;
  }
  .article-cta-box {
    padding: 2.4rem 1.35rem;
    border-radius: 18px;
  }
}