/* ===================================
   BlockPla.net Content Hub
   =================================== */

.content-page {
  min-height: 100vh;
  padding-top: var(--header-height);
  word-break: normal;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.content-shell {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 32px;
}

.content-hero {
  position: relative;
  overflow: hidden;
  padding: 112px 0 72px;
}

.content-hero::before {
  position: absolute;
  top: -240px;
  left: 50%;
  width: 840px;
  height: 560px;
  content: '';
  pointer-events: none;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(226, 245, 100, 0.12), transparent 68%);
  filter: blur(18px);
}

.content-hero-inner {
  position: relative;
  z-index: 1;
  max-width: 880px;
}

.content-eyebrow,
.article-category {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 22px;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.content-eyebrow::before,
.article-category::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  content: '';
  box-shadow: 0 0 18px rgba(226, 245, 100, 0.65);
}

.content-title {
  max-width: 900px;
  margin-bottom: 28px;
  font-size: clamp(52px, 7vw, 92px);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.055em;
}

.content-title-accent {
  color: var(--color-primary);
}

.content-intro {
  max-width: 680px;
  color: var(--color-text-secondary);
  font-size: 20px;
  line-height: 1.65;
}

.content-discovery {
  position: relative;
  z-index: 2;
  padding: 0 0 42px;
}

.content-discovery-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: rgba(26, 26, 32, 0.82);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.content-discovery .content-search {
  flex: 0 0 320px;
}

.content-discovery .content-filters {
  flex: 1;
  margin-bottom: 0;
}

.featured-section {
  padding: 12px 0 96px;
}

.featured-section[hidden] {
  display: none;
}

.featured-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(330px, 0.75fr);
  gap: 20px;
}

.featured-primary,
.featured-secondary {
  position: relative;
  display: block;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 24px;
  background: var(--color-bg-card);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.featured-primary:hover,
.featured-secondary:hover,
.content-card:hover {
  border-color: rgba(226, 245, 100, 0.45);
  transform: translateY(-4px);
  box-shadow: 0 22px 60px rgba(0, 0, 0, 0.28);
}

.featured-primary .featured-image-wrap {
  aspect-ratio: 2 / 1;
}

.featured-image-wrap,
.content-card-image-wrap,
.related-card-image-wrap {
  position: relative;
  overflow: hidden;
  background: var(--color-bg-tertiary);
}

.featured-image,
.content-card-image,
.related-card-image,
.article-hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.55s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.featured-primary:hover .featured-image,
.featured-secondary:hover .featured-image,
.content-card:hover .content-card-image,
.related-card:hover .related-card-image {
  transform: scale(1.025);
}

.featured-copy {
  padding: 30px 32px 34px;
}

.featured-primary .featured-title {
  max-width: 760px;
  margin: 10px 0 14px;
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 750;
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.featured-stack {
  display: grid;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.featured-secondary {
  display: grid;
  grid-template-columns: 1fr;
}

.featured-secondary .featured-image-wrap {
  aspect-ratio: 2 / 1;
}

.featured-secondary .featured-copy {
  padding: 20px 22px 22px;
}

.featured-secondary .featured-title {
  margin: 8px 0 11px;
  font-size: 21px;
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.02em;
}

.content-card-category,
.featured-category,
.related-card-category {
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.featured-excerpt,
.content-card-excerpt {
  color: var(--color-text-secondary);
  line-height: 1.65;
}

.featured-secondary .featured-excerpt {
  display: none;
}

.content-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin-top: 19px;
  color: var(--color-text-secondary);
  font-size: 13px;
}

.content-meta-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: currentColor;
}

.content-index {
  padding: 0 0 120px;
}

.content-index-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 34px;
}

.content-index-title,
.related-title {
  font-size: clamp(34px, 4vw, 52px);
  font-weight: 750;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.content-index-copy {
  max-width: 520px;
  margin-top: 12px;
  color: var(--color-text-secondary);
  font-size: 16px;
}

.content-search {
  position: relative;
  flex: 0 0 300px;
}

.content-search svg {
  position: absolute;
  top: 50%;
  left: 18px;
  width: 19px;
  height: 19px;
  color: var(--color-text-secondary);
  transform: translateY(-50%);
}

.content-search-input {
  width: 100%;
  height: 52px;
  padding: 0 18px 0 49px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  outline: none;
  color: var(--color-text-primary);
  background: var(--color-bg-card);
  font: inherit;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.content-search-input::placeholder {
  color: var(--color-text-tertiary);
}

.content-search-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(226, 245, 100, 0.08);
}

.content-filters {
  display: flex;
  gap: 10px;
  margin-bottom: 34px;
  padding-bottom: 2px;
  overflow-x: auto;
  scrollbar-width: none;
}

.content-filters::-webkit-scrollbar {
  display: none;
}

.content-filter {
  flex: 0 0 auto;
  padding: 10px 17px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-text-secondary);
  background: transparent;
  font-size: 14px;
  font-weight: 650;
  transition: color var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
}

.content-filter:hover {
  border-color: var(--color-border-light);
  color: var(--color-text-primary);
}

.content-filter.is-active {
  border-color: var(--color-primary);
  color: var(--color-bg);
  background: var(--color-primary);
}

.content-results-status {
  min-height: 22px;
  margin-bottom: 18px;
  color: var(--color-text-secondary);
  font-size: 13px;
}

.content-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 42px 22px;
}

.content-card {
  display: flex;
  min-width: 0;
  height: 100%;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-bg-card);
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.content-card[hidden] {
  display: none;
}

.content-card-image-wrap {
  aspect-ratio: 2 / 1;
}

.content-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 23px 24px 24px;
}

.content-card-title {
  margin: 10px 0 12px;
  font-size: 23px;
  font-weight: 700;
  line-height: 1.24;
  letter-spacing: -0.025em;
}

.content-card-excerpt {
  display: -webkit-box;
  overflow: hidden;
  font-size: 14px;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.content-card .content-meta {
  margin-top: auto;
  padding-top: 22px;
}

.content-empty {
  display: none;
  padding: 72px 24px;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  color: var(--color-text-secondary);
  text-align: center;
  background: var(--color-bg-card);
}

.content-empty.is-visible {
  display: block;
}

/* Article */
.article-page {
  padding-bottom: 0;
}

.article-header {
  padding: 88px 0 54px;
}

.article-header-inner {
  max-width: 920px;
  margin: 0 auto;
}

.article-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 48px;
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.article-back-link:hover {
  color: var(--color-primary);
}

.article-back-link svg {
  width: 17px;
  height: 17px;
}

.article-title {
  max-width: 900px;
  margin-bottom: 26px;
  font-size: clamp(42px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.05em;
}

.article-deck {
  max-width: 790px;
  color: var(--color-text-secondary);
  font-size: 20px;
  line-height: 1.65;
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 32px;
  color: var(--color-text-secondary);
  font-size: 14px;
}

.article-author-logo {
  display: block;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.article-hero {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 32px;
}

.article-hero-frame {
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 26px;
  background: var(--color-bg-card);
}

.article-layout {
  display: grid;
  max-width: 1080px;
  grid-template-columns: 240px minmax(0, 720px);
  gap: 48px;
  margin: 0 auto;
  padding: 80px 32px 120px;
}

.article-rail {
  min-width: 0;
}

.article-rail-inner {
  position: sticky;
  top: 112px;
}

.article-rail-label {
  margin-bottom: 9px;
  padding-left: 16px;
  color: var(--color-text-secondary);
  font-size: 11px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-toc {
  display: grid;
  gap: 0;
  border-left: 1px solid var(--color-border);
}

.article-toc a {
  display: block;
  margin-left: -1px;
  padding: 9px 12px 9px 16px;
  border-left: 2px solid transparent;
  border-radius: 0 8px 8px 0;
  color: var(--color-text-secondary);
  font-size: 13px;
  line-height: 1.45;
  overflow-wrap: break-word;
  text-wrap: pretty;
  transition: color var(--transition-fast), border-color var(--transition-fast), background-color var(--transition-fast);
}

.article-toc a:hover {
  border-color: var(--color-primary);
  color: var(--color-text-primary);
  background: rgba(226, 245, 100, 0.035);
}

.article-toc a.is-active,
.article-toc a[aria-current='location'] {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: rgba(226, 245, 100, 0.075);
}

.article-body {
  min-width: 0;
  color: #d6d6da;
  font-size: 18px;
  line-height: 1.82;
}

.article-lead {
  margin-bottom: 56px;
  color: var(--color-text-primary);
  font-size: 21px;
  line-height: 1.72;
}

.article-lead p + p,
.article-section p + p {
  margin-top: 22px;
}

.article-section {
  scroll-margin-top: 112px;
  margin-top: 58px;
}

.article-section:first-of-type {
  margin-top: 0;
}

.article-section h2 {
  margin-bottom: 22px;
  color: var(--color-text-primary);
  font-size: 32px;
  font-weight: 750;
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.article-section ul {
  display: grid;
  gap: 13px;
  margin: 24px 0 4px;
}

.article-section li {
  position: relative;
  padding-left: 25px;
}

.article-section li::before {
  position: absolute;
  top: 0.72em;
  left: 3px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-primary);
  content: '';
}

.article-faq {
  scroll-margin-top: 112px;
  margin-top: 68px;
  padding-top: 48px;
  border-top: 1px solid var(--color-border);
}

.article-service-note {
  padding: 22px 24px;
  border: 1px solid rgba(226, 245, 100, 0.24);
  border-radius: 16px;
  color: var(--color-text-secondary);
  background: rgba(226, 245, 100, 0.045);
  font-size: 16px;
  line-height: 1.65;
}

.article-service-note strong {
  color: var(--color-text-primary);
}

.article-service-note a {
  color: var(--color-primary);
  font-weight: 650;
  text-decoration: underline;
  text-decoration-color: rgba(226, 245, 100, 0.4);
  text-underline-offset: 3px;
}

.content-filter:focus-visible,
.content-search-input:focus-visible,
.featured-primary:focus-visible,
.featured-secondary:focus-visible,
.content-card a:focus-visible,
.article-back-link:focus-visible,
.article-toc a:focus-visible,
.article-service-note a:focus-visible,
.related-card:focus-visible,
.related-all-link:focus-visible,
.article-cta a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.article-faq-title {
  margin-bottom: 26px;
  color: var(--color-text-primary);
  font-size: 31px;
  font-weight: 750;
  letter-spacing: -0.03em;
}

.article-faq-item {
  padding: 22px 0;
  border-bottom: 1px solid var(--color-border);
}

.article-faq-question {
  margin-bottom: 10px;
  color: var(--color-text-primary);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
}

.article-faq-answer {
  color: var(--color-text-secondary);
  font-size: 16px;
  line-height: 1.72;
}

.article-cta {
  max-width: 1200px;
  margin: 120px auto;
  padding: 0 32px;
}

.content-index + .article-cta {
  margin-top: 0;
}

.article-cta-inner {
  position: relative;
  overflow: hidden;
  padding: 68px 72px;
  border: 1px solid var(--color-border-light);
  border-radius: 28px;
  background: linear-gradient(135deg, #202126 0%, #17181c 100%);
}

.article-cta-inner::after {
  position: absolute;
  right: -120px;
  bottom: -180px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: rgba(226, 245, 100, 0.08);
  content: '';
  filter: blur(24px);
}

.article-cta-copy,
.article-cta-actions {
  position: relative;
  z-index: 1;
}

.article-cta-label {
  margin-bottom: 16px;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.article-cta-title {
  max-width: 720px;
  color: var(--color-text-primary);
  font-size: clamp(32px, 4vw, 49px);
  font-weight: 780;
  line-height: 1.12;
  letter-spacing: -0.04em;
}

.article-cta-desc {
  max-width: 660px;
  margin-top: 14px;
  color: var(--color-text-secondary);
  font-size: 17px;
  line-height: 1.65;
}

.article-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.article-cta .btn {
  min-width: 156px;
}

.article-cta .btn svg {
  width: 18px;
  height: 18px;
}

.article-cta--inline {
  width: 100%;
  max-width: none;
  margin: 64px 0 0;
  padding: 0;
}

.article-cta--inline .article-cta-inner {
  padding: 48px 44px;
  border-radius: 22px;
}

.article-cta--inline .article-cta-title {
  font-size: clamp(32px, 3.2vw, 40px);
}

.article-cta--inline .article-cta-desc {
  font-size: 16px;
}

.article-body > .article-cta + .article-faq {
  margin-top: 56px;
}

.article-service-note-wrap {
  max-width: 1200px;
  margin: 64px auto 120px;
  padding: 0 32px;
}

.article-service-note--closing {
  padding: 28px 32px;
  border-radius: 20px;
}

.related-content {
  padding: 104px 0 64px;
  background: var(--color-bg-secondary);
}

.related-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 36px;
}

.related-all-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 650;
  transition: color var(--transition-fast);
}

.related-all-link:hover {
  color: var(--color-primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.related-card {
  display: block;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  background: var(--color-bg-card);
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.related-card:hover {
  border-color: rgba(226, 245, 100, 0.4);
  transform: translateY(-3px);
}

.related-card-image-wrap {
  aspect-ratio: 2 / 1;
}

.related-card-copy {
  padding: 20px 21px 22px;
}

.related-card-title {
  margin-top: 9px;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
}

@media (max-width: 1080px) {
  .article-layout {
    max-width: 790px;
    grid-template-columns: 1fr;
    gap: 0;
  }

  .article-rail {
    display: none;
  }
}

@media (max-width: 1024px) {
  .content-discovery-inner {
    align-items: stretch;
    flex-direction: column;
  }

  .content-discovery .content-search {
    flex-basis: auto;
    width: 100%;
  }

  .featured-grid {
    grid-template-columns: 1fr;
  }

  .featured-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: none;
  }

  .content-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .content-shell,
  .article-hero,
  .article-layout,
  .article-cta {
    padding-right: 20px;
    padding-left: 20px;
  }

  .content-hero {
    padding: 80px 0 54px;
  }

  .content-discovery {
    padding-bottom: 30px;
  }

  .content-discovery-inner {
    gap: 14px;
    padding: 14px;
    border-radius: 17px;
  }

  .content-title {
    font-size: clamp(48px, 15vw, 68px);
  }

  .content-intro {
    font-size: 17px;
  }

  .featured-section {
    padding-bottom: 76px;
  }

  .featured-primary,
  .featured-secondary {
    border-radius: 18px;
  }

  .featured-copy,
  .featured-primary .featured-copy {
    padding: 22px 21px 24px;
  }

  .featured-primary .featured-title {
    font-size: 28px;
  }

  .featured-stack {
    grid-template-columns: 1fr;
  }

  .featured-secondary .featured-title {
    font-size: 22px;
  }

  .content-index {
    padding-bottom: 88px;
  }

  .content-index-header {
    align-items: stretch;
    flex-direction: column;
    gap: 24px;
  }

  .content-search {
    flex-basis: auto;
    width: 100%;
  }

  .content-grid,
  .related-grid {
    grid-template-columns: 1fr;
  }

  .content-card-title {
    font-size: 22px;
  }

  .article-header {
    padding: 64px 0 42px;
  }

  .article-back-link {
    margin-bottom: 36px;
  }

  .article-title {
    font-size: clamp(39px, 12vw, 54px);
  }

  .article-deck {
    font-size: 18px;
  }

  .article-hero-frame {
    border-radius: 18px;
  }

  .article-layout {
    padding-top: 54px;
    padding-bottom: 84px;
  }

  .article-body {
    font-size: 17px;
    line-height: 1.78;
  }

  .article-lead {
    margin-bottom: 44px;
    font-size: 19px;
  }

  .article-section {
    margin-top: 48px;
  }

  .article-section h2 {
    font-size: 28px;
  }

  .article-cta {
    margin-top: 88px;
    margin-bottom: 88px;
  }

  .article-cta--inline {
    margin: 48px 0 0;
    padding: 0;
  }

  .article-cta-inner {
    padding: 44px 24px;
    border-radius: 22px;
  }

  .article-cta--inline .article-cta-inner {
    padding: 36px 22px;
  }

  .article-cta-actions {
    flex-direction: column;
  }

  .article-cta .btn {
    width: 100%;
  }

  .article-service-note-wrap {
    margin: 48px auto 88px;
    padding-right: 20px;
    padding-left: 20px;
  }

  .article-service-note--closing {
    padding: 22px 24px;
    border-radius: 16px;
  }

  .related-content {
    padding: 76px 0 48px;
  }

  .article-body > .article-cta + .article-faq {
    margin-top: 48px;
  }

  .related-header {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .article-toc a,
  .featured-image,
  .content-card-image,
  .related-card-image,
  .featured-primary,
  .featured-secondary,
  .content-card,
  .related-card {
    transition: none;
  }
}