.page-news {
  --news-gap: 20px;
  color: var(--c-paper);
  background: var(--c-bg);
}

.page-news__shell {
  padding-top: 24px;
}

.page-news .breadcrumb {
  margin-bottom: 28px;
}

.page-news__hero {
  position: relative;
  display: grid;
  gap: 24px;
  padding: 20px;
  background:
    radial-gradient(circle at 85% 10%, rgba(255, 77, 0, 0.18), transparent 42%),
    radial-gradient(circle at 10% 90%, rgba(0, 163, 255, 0.14), transparent 40%),
    var(--c-surface);
  overflow: hidden;
}

.page-news__hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(242, 239, 233, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(242, 239, 233, 0.04) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
}

.page-news__hero-copy,
.page-news__hero-chart,
.page-news__hero-metrics {
  position: relative;
  z-index: 1;
}

.page-news__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 8vw, 52px);
  line-height: 1.15;
  margin: 12px 0;
  letter-spacing: 0.02em;
}

.page-news__hero .lead {
  font-size: 16px;
  max-width: 34em;
}

.page-news__hero-img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 340px;
  object-fit: cover;
}

.page-news__hero-metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  padding-top: 6px;
}

.page-news__hero-metrics .metric-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  color: var(--c-paper);
}

.page-news__hero-metrics .metric-label {
  display: block;
  font-size: 13px;
  color: var(--c-paper-dim);
  margin-top: 4px;
}

.page-news .chapter {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin: 40px 0 24px;
  border-bottom: 1px solid rgba(138, 155, 171, 0.4);
  padding-bottom: 16px;
}

.page-news .chapter-id {
  font-family: var(--font-display);
  font-size: 54px;
  line-height: 1;
  font-weight: 900;
  color: var(--c-accent);
}

.page-news .chapter-body h2 {
  font-size: 24px;
  font-weight: 900;
  margin: 0;
}

.page-news .chapter-body p {
  margin: 6px 0 0;
  color: var(--c-paper-dim);
  font-size: 14px;
}

.page-news__featured {
  position: relative;
  display: grid;
  gap: 12px;
  padding: 22px 20px;
  margin-bottom: 28px;
}

.page-news__featured-index {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--c-accent-2);
  letter-spacing: 0.08em;
}

.page-news__featured h3 {
  font-size: 24px;
  line-height: 1.3;
  margin: 8px 0;
}

.page-news__featured p {
  color: var(--c-paper-dim);
  font-size: 14px;
  max-width: 44em;
}

.page-news__featured-note {
  border-left: 2px solid var(--c-accent);
  padding-left: 12px;
  font-size: 13px;
  color: var(--c-paper-dim);
}

.page-news__featured-note p {
  margin: 4px 0;
}

.page-news__scroll-hint {
  font-size: 13px;
  color: var(--c-paper-dim);
  margin-bottom: 10px;
  text-align: right;
}

.page-news__scroll {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: 84%;
  gap: 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 4px 18px;
  margin-bottom: 12px;
  cursor: grab;
  scrollbar-width: thin;
  scrollbar-color: var(--c-line) transparent;
  -webkit-overflow-scrolling: touch;
}

.page-news__card {
  scroll-snap-align: start;
  position: relative;
  padding: 22px;
  background: var(--c-surface);
  border: 1px solid rgba(138, 155, 171, 0.35);
  transition:
    border-color var(--transition-fast),
    transform var(--transition-fast),
    box-shadow var(--transition-fast);
}

.page-news__card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 32px;
  height: 3px;
  background: var(--c-accent);
  opacity: 0.6;
  transition: width var(--transition-fast);
}

.page-news__card:hover {
  border-color: var(--c-accent-2);
  transform: translateY(-4px);
  box-shadow: 8px 8px 0 rgba(255, 77, 0, 0.08);
}

.page-news__card:hover::after {
  width: 56px;
  background: var(--c-accent);
  opacity: 1;
}

.page-news__card h3 {
  font-size: 17px;
  line-height: 1.45;
  margin: 12px 0 8px;
}

.page-news__card p {
  font-size: 14px;
  color: var(--c-paper-dim);
  margin-bottom: 18px;
  max-width: 44em;
}

.page-news__card-more {
  display: inline-block;
  color: var(--c-accent-2);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
}

.page-news__card-more:hover {
  color: var(--c-accent);
  text-decoration: underline;
}

.page-news__series-grid {
  display: grid;
  gap: 20px;
}

.page-news__series-col {
  border-top: 1px solid var(--c-line);
  padding-top: 22px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 60%);
}

.page-news__series-col h3 {
  font-size: 20px;
  margin-bottom: 6px;
}

.page-news__series-col img {
  width: 100%;
  height: auto;
  max-height: 260px;
  object-fit: cover;
  display: block;
  margin: 18px 0 12px;
}

.page-news__series-col ul {
  list-style: none;
  padding: 0;
  margin: 14px 0;
}

.page-news__series-col li {
  padding: 8px 0;
  border-bottom: 1px dashed rgba(138, 155, 171, 0.4);
  color: var(--c-paper);
}

.page-news__method-layout {
  display: grid;
  gap: 24px;
}

.page-news__method-image {
  position: relative;
}

.page-news__method-image .data-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--c-bg);
  color: var(--c-paper);
}

.page-news__method-layout img {
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: cover;
  display: block;
}

.page-news__step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 4px 16px;
  border-bottom: 1px solid rgba(138, 155, 171, 0.35);
  padding: 16px 0;
}

.page-news__step-num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--c-accent);
  font-size: 18px;
}

.page-news__step h3 {
  font-size: 16px;
  margin: 0;
}

.page-news__step p {
  grid-column: 2;
  margin: 0;
  font-size: 14px;
  color: var(--c-paper-dim);
}

.page-news__method-note {
  margin-top: 20px;
  padding: 18px 20px;
}

.page-news__method-note p {
  margin: 0;
  color: var(--c-paper-dim);
  font-size: 14px;
  line-height: 1.7;
}

.page-news__update-grid {
  display: grid;
  gap: 20px;
}

.page-news__update-card {
  padding: 24px 20px;
}

.page-news__update-card h3 {
  font-size: 20px;
  margin: 10px 0;
}

.page-news__update-card p {
  font-size: 14px;
  color: var(--c-paper-dim);
}

.page-news__update-card ul {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-news__update-card li {
  padding: 6px 0;
  font-size: 14px;
  border-bottom: 1px dashed rgba(138, 155, 171, 0.3);
}

.page-news__update-visual {
  position: relative;
}

.page-news__update-visual img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 360px;
  object-fit: cover;
}

.page-news__update-visual .data-tag {
  position: absolute;
  bottom: 12px;
  left: 12px;
  background: var(--c-bg);
  color: var(--c-paper);
}

.page-news__notice {
  margin-top: 24px;
}

@media (min-width: 700px) {
  .page-news__scroll {
    grid-auto-columns: 360px;
  }

  .page-news__hero-metrics {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-news__series-grid {
    grid-template-columns: 1fr 1fr 1fr;
  }
}

@media (min-width: 1000px) {
  .page-news__hero {
    grid-template-columns: 5fr 7fr;
    grid-template-areas:
      "copy chart"
      "metrics chart";
    padding: 26px;
    gap: 20px 32px;
  }

  .page-news__hero-copy {
    grid-area: copy;
    align-self: end;
  }

  .page-news__hero-chart {
    grid-area: chart;
  }

  .page-news__hero-metrics {
    grid-area: metrics;
  }

  .page-news__featured {
    grid-template-columns: 64px 1fr 200px;
    gap: 20px;
    align-items: center;
  }

  .page-news__series-grid {
    grid-template-columns: 4fr 5fr 3fr;
    align-items: start;
  }

  .page-news__series-col:nth-child(2) {
    margin-top: 44px;
  }

  .page-news__series-col:nth-child(3) {
    margin-top: 88px;
  }

  .page-news__method-layout {
    grid-template-columns: 5fr 6fr;
    align-items: center;
    gap: 40px;
  }

  .page-news__update-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-news__update-visual {
    grid-column: 1 / -1;
    max-width: 620px;
  }
}