.page-news {
  --news-gold-soft: rgba(212, 175, 55, 0.35);
  --news-gold-glow: rgba(212, 175, 55, 0.18);

  position: relative;
  background-color: var(--color-bg);
  color: var(--color-text);
  overflow-x: hidden;
  padding-bottom: 5rem;
}

.page-news img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-news .filter-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

.page-news .news-shell {
  width: min(1440px, 100% - 2rem);
  margin-inline: auto;
  padding-block: 2.25rem 3rem;
}

.page-news .news-crumbs {
  margin-bottom: 1.5rem;
}

.page-news .news-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0;
  margin: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.page-news .news-crumbs li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.page-news .news-crumbs li + li::before {
  content: "/";
  color: var(--color-gold-light);
}

.page-news .news-crumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.25s ease;
}

.page-news .news-crumbs a:hover {
  color: var(--color-gold);
}

.page-news .news-crumbs [aria-current="page"] {
  color: var(--color-gold-light);
}

.page-news .news-hero {
  position: relative;
  padding-block: 1.5rem 2.25rem;
  border-bottom: 1px solid var(--news-gold-soft);
  margin-bottom: 2.5rem;
}

.page-news .news-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 5.5rem;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), var(--color-gold-transparent));
  border-radius: var(--radius-pill);
}

.page-news .news-hero__eyebrow {
  margin: 0 0 0.75rem;
  color: var(--color-gold);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-news .news-hero h1 {
  margin: 0 0 1rem;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.16;
  letter-spacing: 0.02em;
  color: var(--color-text);
}

.page-news .news-hero__lead {
  max-width: 46rem;
  margin: 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.page-news .news-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-news .news-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.page-news .sidebar-panel,
.page-news .subscribe-card,
.page-news .filter-nav {
  background: var(--color-bg-card);
  border: 1px solid var(--news-gold-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.page-news .sidebar-panel {
  padding: 1.25rem;
}

.page-news .sidebar-panel img {
  width: 100%;
  max-width: 200px;
  margin-inline: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-news .sidebar-panel p {
  margin: 1rem 0 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  text-align: center;
}

.page-news .filter-nav {
  padding: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.page-news .sidebar-title {
  width: 100%;
  margin: 0 0 0.25rem;
  font-family: var(--font-heading);
  font-size: 1.125rem;
  color: var(--color-gold-light);
  letter-spacing: 0.04em;
}

.page-news .filter-label {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--news-gold-soft);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.02);
  color: var(--color-text);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  transition: background 0.25s ease, color 0.25s ease, border-color 0.25s ease, transform 0.15s ease;
}

.page-news .filter-label:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-light);
  transform: translateY(-1px);
}

.page-news .filter-label:active {
  transform: scale(0.98);
}

.page-news .filter-label.is-current {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-bg-deep);
}

.page-news:has(#filter-rule:checked) label[for="filter-rule"],
.page-news:has(#filter-data:checked) label[for="filter-data"],
.page-news:has(#filter-feature:checked) label[for="filter-feature"],
.page-news:has(#filter-topic:checked) label[for="filter-topic"] {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-bg-deep);
}

.page-news:has(#filter-all:checked) label[for="filter-all"] {
  background: var(--color-gold);
  border-color: var(--color-gold);
  color: var(--color-bg-deep);
}

.page-news .subscribe-card {
  padding: 1.25rem;
  position: relative;
  scroll-margin-top: calc(var(--header-height) + 1.5rem);
}

.page-news .subscribe-card img {
  width: 100%;
  max-width: 300px;
  margin-inline: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-news .subscribe-card__inner {
  margin-top: 1rem;
}

.page-news .subscribe-card h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-gold-light);
}

.page-news .subscribe-card p {
  margin: 0 0 0.875rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.page-news .subscribe-card .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 9rem;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-pill);
  font-size: 0.9375rem;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.25s ease, background 0.25s ease;
}

.page-news .subscribe-card .btn:active {
  transform: scale(0.97);
}

.page-news .subscribe-card .btn--gold {
  background: var(--color-gold);
  border: 1px solid var(--color-gold);
  color: var(--color-bg-deep);
  font-weight: 600;
}

.page-news .subscribe-card .btn--gold:hover {
  box-shadow: var(--shadow-gold);
}

.page-news .subscribe-card__rss {
  margin-top: 0.75rem;
  font-size: 0.8125rem;
}

.page-news .subscribe-card__rss a {
  color: var(--color-text-muted);
  text-decoration: none;
  border-bottom: 1px dashed var(--news-gold-soft);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.page-news .subscribe-card__rss a:hover {
  color: var(--color-gold);
  border-bottom-color: var(--color-gold);
}

.page-news .subscribe-card__note,
.page-news .subscribe-success {
  font-size: 0.8125rem;
  line-height: 1.6;
  border-left: 2px solid var(--color-emerald);
  padding-left: 0.75rem;
}

.page-news .subscribe-success {
  display: none;
  margin-top: 0.875rem;
  padding: 0.75rem 0.875rem;
  border: 1px solid rgba(46, 139, 87, 0.4);
  border-radius: var(--radius);
  background: rgba(46, 139, 87, 0.1);
  color: var(--color-text);
}

.page-news .subscribe-success p {
  margin: 0;
}

.page-news #thank-you:target {
  display: block;
}

.page-news .news-feed {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.page-news .pinboard {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  padding: 1.25rem;
  background: linear-gradient(135deg, var(--color-bg-card), rgba(16, 41, 79, 0.55));
  border: 1px solid var(--news-gold-soft);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-gold);
  overflow: hidden;
}

.page-news .pinboard::before {
  content: "";
  position: absolute;
  inset-inline: 0;
  top: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-gold), rgba(212, 175, 55, 0.05));
}

.page-news .pinboard__media img {
  width: 100%;
  max-height: 340px;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-news .pinboard__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
}

.page-news .pinboard__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
}

.page-news .pinboard__stamp {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.page-news .pinboard h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.3;
  color: var(--color-text);
}

.page-news .pinboard p {
  margin: 0 0 1.25rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--color-text-muted);
}

.page-news .pinboard__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-news .pinboard .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.625rem 1.375rem;
  border-radius: var(--radius-pill);
  font-size: 0.9375rem;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}

.page-news .pinboard .btn:active {
  transform: scale(0.97);
}

.page-news .pinboard .btn--gold {
  background: var(--color-gold);
  border: 1px solid var(--color-gold);
  color: var(--color-bg-deep);
  font-weight: 600;
}

.page-news .pinboard .btn--gold:hover {
  box-shadow: var(--shadow-gold);
}

.page-news .pinboard .btn--ghost {
  background: transparent;
  border: 1px solid var(--news-gold-soft);
  color: var(--color-text);
}

.page-news .pinboard .btn--ghost:hover {
  border-color: var(--color-gold);
  color: var(--color-gold-light);
}

.page-news .feed-visual {
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--news-gold-soft);
}

.page-news .feed-visual img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.page-news .timeline {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  padding-top: 0.75rem;
}

.page-news .timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 9px;
  width: 2px;
  background: linear-gradient(180deg, var(--color-gold), var(--news-gold-soft), rgba(212, 175, 55, 0.05));
  opacity: 0.6;
}

.page-news .timeline__title {
  margin: 0 0 0.5rem;
  padding-left: 1.875rem;
  font-family: var(--font-heading);
  font-size: 1.375rem;
  color: var(--color-gold-light);
}

.page-news .post-entry {
  position: relative;
  display: grid;
  grid-template-columns: 1.875rem 1fr;
  gap: 0.625rem;
  align-items: start;
}

.page-news .post-entry__dot {
  position: relative;
  z-index: 1;
  width: 12px;
  height: 12px;
  margin-top: 1.375rem;
  margin-left: 4px;
  border-radius: 50%;
  background: var(--color-bg-card);
  border: 2px solid var(--color-gold);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.page-news .post-entry:hover .post-entry__dot {
  background: var(--color-gold);
  box-shadow: 0 0 0 5px var(--news-gold-glow);
}

.page-news .post-entry__content {
  position: relative;
  background: var(--color-bg-card);
  border: 1px solid var(--news-gold-soft);
  border-radius: var(--radius);
  padding: 1.125rem 1.125rem 1.125rem 1.5rem;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.page-news .post-entry__content::before {
  content: "";
  position: absolute;
  left: 0;
  top: 1rem;
  bottom: 1rem;
  width: 3px;
  border-radius: 0 var(--radius-pill) var(--radius-pill) 0;
  background: var(--color-emerald);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.page-news .post-entry:nth-child(3n + 2) .post-entry__content::before {
  background: var(--color-gold);
}

.page-news .post-entry:hover .post-entry__content {
  border-color: var(--color-gold-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-gold);
}

.page-news .post-entry:hover .post-entry__content::before {
  opacity: 1;
}

.page-news .post-entry__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.625rem;
  margin-bottom: 0.625rem;
}

.page-news .post-entry__time {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.page-news .post-entry__id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-gold-light);
  background: rgba(212, 175, 55, 0.1);
  padding: 0.125rem 0.5rem;
  border-radius: var(--radius-pill);
}

.page-news .post-entry h3 {
  margin: 0 0 0.5rem;
  font-size: 1.0625rem;
  line-height: 1.5;
  color: var(--color-text);
  font-weight: 600;
}

.page-news .post-entry p {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--color-text-muted);
}

.page-news .post-entry__more {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8125rem;
  color: var(--color-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, color 0.25s ease;
}

.page-news .post-entry__more::after {
  content: "→";
  transition: transform 0.25s ease;
}

.page-news .post-entry__more:hover {
  color: var(--color-gold-light);
  border-bottom-color: var(--color-gold);
}

.page-news .post-entry__more:hover::after {
  transform: translateX(3px);
}

.page-news .badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.page-news .badge--gold {
  background: rgba(212, 175, 55, 0.15);
  color: var(--color-gold-light);
  border: 1px solid rgba(212, 175, 55, 0.4);
}

.page-news .badge--verified {
  background: rgba(46, 139, 87, 0.15);
  color: #5DCB93;
  border: 1px solid rgba(46, 139, 87, 0.45);
}

.page-news #filter-rule:checked ~ .news-shell .news-feed .post-entry:not([data-cat="rule"]),
.page-news #filter-data:checked ~ .news-shell .news-feed .post-entry:not([data-cat="data"]),
.page-news #filter-feature:checked ~ .news-shell .news-feed .post-entry:not([data-cat="feature"]),
.page-news #filter-topic:checked ~ .news-shell .news-feed .post-entry:not([data-cat="topic"]) {
  display: none;
}

.page-news #filter-all:checked ~ .news-shell .news-feed .post-entry {
  display: grid;
}

@media (min-width: 960px) {
  .page-news .news-shell {
    padding-block: 3rem 4rem;
  }

  .page-news .news-hero {
    padding-block: 2.5rem 2.75rem;
  }

  .page-news .news-hero h1 {
    font-size: clamp(2.75rem, 5.5vw, 4.25rem);
  }

  .page-news .news-layout {
    grid-template-columns: 320px minmax(0, 1fr);
    gap: 3rem;
    align-items: start;
  }

  .page-news .news-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 1.5rem);
    max-height: calc(100vh - var(--header-height) - 3rem);
    overflow-y: auto;
  }

  .page-news .pinboard {
    grid-template-columns: minmax(240px, 5fr) minmax(320px, 7fr);
    padding: 1.5rem;
  }

  .page-news .pinboard__media img {
    height: 100%;
    min-height: 280px;
  }

  .page-news .feed-visual img {
    height: auto;
    max-height: 400px;
  }

  .page-news .timeline {
    padding-left: 0;
  }

  .page-news .post-entry__content {
    padding: 1.375rem 1.375rem 1.375rem 1.75rem;
  }
}