.page-news {
  --news-col: min(1180px, calc(100% - 2.25rem));
  --news-gap: clamp(2.5rem, 6vw, 5rem);
  --news-edge: clamp(1rem, 3vw, 1.75rem);
  position: relative;
  padding-block: clamp(1rem, 3vw, 2rem) clamp(3rem, 7vw, 5.5rem);
  background:
    radial-gradient(900px 520px at 6% -8%, rgba(56, 242, 224, 0.10), transparent 66%),
    radial-gradient(720px 460px at 98% 4%, rgba(255, 179, 71, 0.08), transparent 62%);
}

.page-news > * {
  width: var(--news-col);
  margin-inline: auto;
}

.page-news > * + * {
  margin-top: var(--news-gap);
}

/* ---------- hero ---------- */
.page-news .news-hero {
  display: grid;
  gap: clamp(0.9rem, 2vw, 1.25rem);
}

.page-news .breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-news .breadcrumb a {
  color: var(--cyan);
  text-decoration: none;
}

.page-news .breadcrumb a:hover,
.page-news .breadcrumb a:focus-visible {
  text-decoration: underline;
}

.page-news .eyebrow {
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0;
}

.page-news h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.6vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--ice);
  max-width: 22ch;
}

.page-news .lede {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1rem, 1.6vw, 1.16rem);
  line-height: 1.85;
  color: var(--ice-dim);
  max-width: 62ch;
}

.page-news .hero-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 0.4rem;
  background: rgba(56, 242, 224, 0.18);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-news .hero-cell {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: clamp(0.9rem, 2vw, 1.2rem);
  background: var(--panel-soft);
}

.page-news .hero-num {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.2rem);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--cyan);
}

.page-news .hero-cell:nth-child(2) .hero-num {
  color: var(--amber);
}

.page-news .hero-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  color: var(--mist);
}

.page-news .media-frame {
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel-soft);
}

.page-news .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-news .media-cap {
  padding: 0.7rem 1rem 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--mist);
  border-top: 1px solid rgba(138, 148, 184, 0.16);
}

.page-news .hero-figure {
  box-shadow: 0 26px 60px -34px rgba(56, 242, 224, 0.55);
}

/* ---------- shared section head ---------- */
.page-news .section-head {
  margin-bottom: clamp(1.25rem, 3vw, 2rem);
}

.page-news .section-head h2 {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: 0.03em;
  color: var(--ice);
}

.page-news .section-intro {
  margin: 0.75rem 0 0;
  max-width: 66ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ice-dim);
}

.page-news .section-head--split {
  display: grid;
  gap: clamp(1.1rem, 3vw, 2rem);
  align-items: end;
}

.page-news .archive-figure img {
  aspect-ratio: 3 / 2;
}

/* ---------- archive timeline ---------- */
.page-news .log-list {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(1rem, 2.4vw, 1.6rem);
}

.page-news .log-list::before {
  content: "";
  position: absolute;
  top: 16px;
  bottom: 16px;
  left: 104px;
  width: 1px;
  background: linear-gradient(180deg, rgba(56, 242, 224, 0.55), rgba(56, 242, 224, 0.05));
}

.page-news .log-item {
  position: relative;
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 2rem;
  align-items: start;
}

.page-news .log-item::before {
  content: "";
  position: absolute;
  left: 98px;
  top: 26px;
  width: 13px;
  height: 13px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 14px rgba(56, 242, 224, 0.6);
}

.page-news .log-stamp {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding-top: 1.2rem;
}

.page-news .stamp {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-news .log-time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-news .log-body {
  padding: clamp(1rem, 2.4vw, 1.4rem);
  border-radius: var(--radius-lg);
}

.page-news .log-body h3 {
  margin: 0.55rem 0 0.5rem;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2vw, 1.28rem);
  letter-spacing: 0.03em;
  color: var(--ice);
}

.page-news .log-body p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--ice-dim);
}

.page-news .log-body-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
}

.page-news .log-kind {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-news .tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.9rem;
}

.page-news .tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(56, 242, 224, 0.35);
  background: rgba(56, 242, 224, 0.08);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-news .tag:hover,
.page-news .tag:focus-visible {
  background: rgba(56, 242, 224, 0.18);
  border-color: rgba(56, 242, 224, 0.7);
}

.page-news .tag--amber {
  color: var(--amber);
  border-color: rgba(255, 179, 71, 0.4);
  background: rgba(255, 179, 71, 0.1);
}

.page-news .tag--amber:hover,
.page-news .tag--amber:focus-visible {
  background: rgba(255, 179, 71, 0.2);
  border-color: rgba(255, 179, 71, 0.75);
}

/* ---------- probe records ---------- */
.page-news .probe-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(250px, 100%), 1fr));
  gap: clamp(0.9rem, 2vw, 1.25rem);
}

.page-news .probe-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: clamp(1rem, 2.4vw, 1.35rem);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(138, 148, 184, 0.2);
  border-top: 3px solid var(--cyan);
  background: linear-gradient(180deg, rgba(20, 27, 60, 0.96), rgba(16, 23, 51, 0.96));
}

.page-news .probe-card:nth-child(2) {
  border-top-color: var(--amber);
}

.page-news .probe-card:nth-child(3) {
  border-top-color: var(--ok);
}

.page-news .probe-card:nth-child(4) {
  border-top-color: var(--warn);
}

.page-news .probe-kind {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-news .probe-card .stamp {
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--mist);
}

.page-news .probe-card h3 {
  margin: 0.15rem 0 0;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.4;
  letter-spacing: 0.02em;
  color: var(--ice);
}

.page-news .probe-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ice-dim);
}

.page-news .probe-card .status {
  margin-top: auto;
  align-self: flex-start;
}

.page-news .probe-foot {
  margin: 1.25rem 0 0;
  padding: 0.85rem 1.1rem;
  border-left: 2px solid var(--amber);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(255, 179, 71, 0.07);
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--ice-dim);
}

/* ---------- migration background ---------- */
.page-news .news-migrate {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.75rem);
}

.page-news .migrate-copy h2 {
  margin: 0.35rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 2.05rem);
  letter-spacing: 0.03em;
  color: var(--ice);
}

.page-news .migrate-copy p {
  margin: 0.85rem 0 0;
  max-width: 60ch;
  font-size: 0.98rem;
  line-height: 1.82;
  color: var(--ice-dim);
}

.page-news .migrate-figure {
  margin-top: 1.4rem;
}

.page-news .migrate-copy .tag {
  margin-top: 1.2rem;
}

.page-news .migrate-chips {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.page-news .chip {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 0.65rem;
  padding: 0.8rem 1rem;
  border-radius: var(--radius);
  border: 1px dashed rgba(56, 242, 224, 0.28);
  background: rgba(56, 242, 224, 0.05);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.03em;
}

.page-news .chip-from {
  color: var(--mist);
  text-align: right;
}

.page-news .chip-arrow {
  color: var(--amber);
  font-size: 0.95rem;
}

.page-news .chip-to {
  color: var(--cyan);
}

/* ---------- topic switch ---------- */
.page-news .topics-figure {
  margin-bottom: clamp(1.25rem, 3vw, 1.9rem);
}

.page-news .topic-switch {
  position: relative;
}

.page-news .topic-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  padding: 0;
  opacity: 0;
  pointer-events: none;
}

.page-news .topic-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: clamp(1rem, 2.4vw, 1.5rem);
  padding-bottom: 0.85rem;
  border-bottom: 1px solid rgba(56, 242, 224, 0.16);
}

.page-news .topic-tab {
  padding: 0.5rem 1.05rem;
  border-radius: 999px;
  border: 1px solid rgba(138, 148, 184, 0.28);
  background: rgba(20, 27, 60, 0.7);
  color: var(--mist);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.page-news .topic-tab:hover {
  color: var(--ice);
  border-color: rgba(56, 242, 224, 0.45);
}

.page-news #news-topic-1:checked ~ .topic-tabs label[for="news-topic-1"],
.page-news #news-topic-2:checked ~ .topic-tabs label[for="news-topic-2"],
.page-news #news-topic-3:checked ~ .topic-tabs label[for="news-topic-3"] {
  color: var(--cyan);
  background: rgba(56, 242, 224, 0.14);
  border-color: rgba(56, 242, 224, 0.6);
}

.page-news .topic-input:focus-visible ~ .topic-tabs label {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-news .topic-panel {
  display: none;
  gap: clamp(1rem, 2.5vw, 1.6rem);
}

.page-news #news-topic-1:checked ~ .topic-panels > [data-panel="1"],
.page-news #news-topic-2:checked ~ .topic-panels > [data-panel="2"],
.page-news #news-topic-3:checked ~ .topic-panels > [data-panel="3"] {
  display: grid;
}

.page-news .topic-lead {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ice-dim);
  max-width: 60ch;
}

.page-news .topic-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-news .topic-list li {
  padding: clamp(0.9rem, 2vw, 1.15rem) clamp(1rem, 2.2vw, 1.3rem);
  border-radius: var(--radius);
  border: 1px solid rgba(56, 242, 224, 0.16);
  border-left: 3px solid var(--cyan);
  background: rgba(20, 27, 60, 0.72);
}

.page-news .topic-list li:nth-child(even) {
  border-left-color: rgba(255, 179, 71, 0.65);
}

.page-news .topic-list h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.03em;
  color: var(--ice);
}

.page-news .topic-list p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--ice-dim);
}

.page-news .topic-panel > .tag {
  justify-self: start;
}

/* ---------- editor notes ---------- */
.page-news .notes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
  gap: clamp(0.9rem, 2vw, 1.25rem);
}

.page-news .note-card {
  padding: clamp(1rem, 2.4vw, 1.35rem);
  border-radius: var(--radius-lg);
}

.page-news .note-card h3 {
  margin: 0.5rem 0 0.45rem;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.03em;
  color: var(--ice);
}

.page-news .note-card p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.78;
  color: var(--ice-dim);
}

.page-news .notes-foot {
  margin: 1.3rem 0 0;
  max-width: 74ch;
  font-size: 0.96rem;
  line-height: 1.82;
  color: var(--ice-dim);
}

/* ---------- next steps ---------- */
.page-news .next-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(220px, 100%), 1fr));
  gap: clamp(0.8rem, 2vw, 1.1rem);
}

.page-news .next-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: clamp(1rem, 2.4vw, 1.3rem);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(56, 242, 224, 0.22);
  background: linear-gradient(160deg, rgba(56, 242, 224, 0.09), rgba(20, 27, 60, 0.9) 62%);
  text-decoration: none;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-news .next-card:hover,
.page-news .next-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(56, 242, 224, 0.62);
  box-shadow: 0 18px 36px -26px rgba(56, 242, 224, 0.7);
}

.page-news .next-num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-news .next-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.05rem;
  letter-spacing: 0.03em;
  color: var(--ice);
}

.page-news .next-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- responsive ---------- */
@media (min-width: 760px) {
  .page-news .hero-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-news .section-head--split {
    grid-template-columns: 1.1fr 0.9fr;
  }

  .page-news .news-migrate {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-news .topic-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-news .topic-panel {
    gap: 1.6rem;
  }

  .page-news .topic-panel > .tag {
    grid-column: 1 / -1;
  }
}

@media (max-width: 720px) {
  .page-news .log-list::before,
  .page-news .log-item::before {
    display: none;
  }

  .page-news .log-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.5rem;
  }

  .page-news .log-stamp {
    flex-direction: row;
    align-items: baseline;
    gap: 0.7rem;
    padding-top: 0;
  }

  .page-news .chip {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.25rem;
    text-align: left;
  }

  .page-news .chip-from {
    text-align: left;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-news .next-card,
  .page-news .tag {
    transition: none;
  }

  .page-news .next-card:hover,
  .page-news .next-card:focus-visible {
    transform: none;
  }
}