.page-news{
  --news-card-bg: rgba(0,229,255,.05);
  --news-card-border: rgba(0,229,255,.14);
  background: var(--color-bg);
  color: var(--color-light);
}

.page-news__hero{
  position: relative;
  overflow: hidden;
  padding-top: clamp(2rem,5vw,3.5rem);
  padding-bottom: clamp(3rem,7vw,5rem);
}

.page-news__hero::before{
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: min(420px,42vw);
  height: 100%;
  background:
    linear-gradient(135deg, transparent 0, transparent 48%, rgba(0,229,255,.18) 48%, rgba(0,229,255,.18) calc(48% + 2px), transparent calc(48% + 2px)),
    linear-gradient(45deg, transparent 0, transparent 68%, rgba(255,107,53,.12) 68%, rgba(255,107,53,.12) calc(68% + 2px), transparent calc(68% + 2px));
  clip-path: polygon(24% 0, 100% 0, 100% 100%, 0 100%);
  opacity: .5;
  pointer-events: none;
  z-index: 0;
}

.page-news__hero .container{
  position: relative;
  z-index: 1;
}

.page-news__hero-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.page-news__hero-copy{
  max-width: 680px;
}

.page-news__hero-title{
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  margin: var(--space-2) 0 var(--space-3);
}

.page-news__hero-lead{
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.75;
  max-width: 60ch;
}

.page-news__hero-actions{
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.page-news__hero-figure{
  position: relative;
  border-radius: var(--cut);
  clip-path: polygon(0 0, calc(100% - 22px) 0, 100% 22px, 100% 100%, 22px 100%, 0 calc(100% - 22px));
}

.page-news__hero-figure img{
  display: block;
  width: 100%;
  height: auto;
}

.page-news__hero-figure::after{
  content: "";
  position: absolute;
  right: 14px;
  bottom: 14px;
  width: 46px;
  height: 46px;
  border-right: 2px solid var(--color-orange);
  border-bottom: 2px solid var(--color-orange);
  opacity: .9;
  pointer-events: none;
}

.page-news__section-head{
  margin-bottom: var(--space-5);
}

.page-news__section-head h2{
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3vw, 2.6rem);
  line-height: 1.1;
  margin-top: var(--space-1);
}

.page-news__section-head > p{
  color: var(--color-muted);
  margin-top: var(--space-2);
  max-width: 56ch;
}

.page-news__latest-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.page-news__catalog{
  background: var(--color-surface);
  border: 1px solid var(--news-card-border);
  border-left: 3px solid var(--color-orange);
  border-radius: var(--cut);
  padding: var(--space-5);
  align-self: start;
}

.page-news__catalog h3{
  font-family: var(--font-heading);
  font-size: 1.15rem;
  margin: var(--space-2) 0 var(--space-4);
}

.page-news__catalog-list{
  list-style: none;
  margin: 0 0 var(--space-4);
  padding: 0;
}

.page-news__catalog-list li{
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--news-card-border);
  font-size: .95rem;
}

.page-news__catalog-list a{
  color: var(--color-light);
  text-decoration: none;
  font-weight: 600;
}

.page-news__catalog-list a:hover{
  color: var(--color-electric);
}

.page-news__catalog-list span{
  font-family: var(--font-data);
  color: var(--color-orange);
  font-size: .8rem;
}

.page-news__quick-guide{
  margin-top: var(--space-4);
}

.page-news__quick-guide-title{
  font-family: var(--font-heading);
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--color-electric);
  margin: 0 0 var(--space-3);
}

.page-news__feed{
  display: grid;
  gap: var(--space-4);
}

.page-news__post{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--news-card-bg);
  border: 1px solid var(--news-card-border);
  border-left: 3px solid var(--color-electric);
  border-radius: var(--cut);
}

.page-news__post-media{
  overflow: hidden;
  border-radius: calc(var(--cut) - 6px);
}

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

.page-news__post-meta{
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-2);
}

.page-news__post-meta time{
  font-family: var(--font-data);
  font-size: .78rem;
  color: var(--color-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
}

.page-news__tag-chip{
  display: inline-block;
  padding: .2rem .6rem;
  background: var(--color-electric);
  color: #001014;
  font-family: var(--font-data);
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  border-radius: 2px;
}

.page-news__post-body h3{
  font-family: var(--font-heading);
  font-size: 1.12rem;
  line-height: 1.4;
  margin: 0 0 var(--space-2);
}

.page-news__post-body h3 a{
  color: var(--color-light);
  text-decoration: none;
}

.page-news__post-body h3 a:hover{
  color: var(--color-electric);
}

.page-news__post-body > p{
  color: var(--color-muted);
  font-size: .95rem;
  line-height: 1.6;
  margin: 0;
}

.page-news__post details{
  margin-top: var(--space-3);
  font-size: .88rem;
}

.page-news__post summary{
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  color: var(--color-electric);
  font-family: var(--font-data);
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .1em;
}

.page-news__post summary::before{
  content: "+";
  display: inline-block;
  color: var(--color-orange);
  font-size: 1rem;
  line-height: 1;
  margin-right: .15rem;
}

.page-news__post details[open] summary::before{
  content: "–";
}

.page-news__post-extract{
  border-left: 2px solid var(--color-orange);
  background: rgba(255,107,53,.07);
  padding: var(--space-3) var(--space-4);
  margin-top: var(--space-2);
}

.page-news__post-extract p{
  color: var(--color-light);
  line-height: 1.65;
  margin: 0;
}

.page-news__category-grid{
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin: var(--space-5) 0 var(--space-6);
}

.page-news__category-linkcard{
  display: flex;
  flex-direction: column;
  gap: .3rem;
  padding: var(--space-4);
  background: rgba(0,61,77,.55);
  border: 1px solid rgba(0,229,255,.14);
  border-right: 2px solid var(--color-orange);
  border-radius: var(--cut);
  color: var(--color-light);
  text-decoration: none;
  transition: background .25s ease, border-color .25s ease, transform .25s ease;
}

.page-news__category-linkcard:hover{
  background: rgba(0,61,77,.85);
  border-color: rgba(0,229,255,.4);
  transform: translateY(-2px);
}

.page-news__category-code{
  font-family: var(--font-data);
  font-size: .72rem;
  letter-spacing: .18em;
  color: var(--color-orange);
}

.page-news__category-linkcard strong{
  font-family: var(--font-heading);
  font-size: 1.05rem;
}

.page-news__category-linkcard small{
  color: var(--color-muted);
  font-size: .82rem;
}

.page-news__category-block{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  padding: var(--space-5);
  margin-bottom: var(--space-5);
  background: rgba(0,229,255,.04);
  border: 1px solid rgba(0,229,255,.1);
  border-radius: var(--cut);
  scroll-margin-top: calc(var(--header-h) + var(--space-4));
}

.page-news__category-head h3{
  font-family: var(--font-heading);
  font-size: 1.35rem;
  margin: .35rem 0 .5rem;
}

.page-news__category-head p{
  color: var(--color-muted);
  font-size: .9rem;
  line-height: 1.6;
  margin: 0;
}

.page-news__category-list{
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-news__category-list li{
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .35rem .75rem;
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(0,229,255,.12);
}

.page-news__category-list li:first-child{
  padding-top: var(--space-1);
}

.page-news__category-title{
  font-weight: 600;
  font-size: .95rem;
}

.page-news__category-list time{
  font-family: var(--font-data);
  font-size: .75rem;
  color: var(--color-orange);
  text-transform: uppercase;
  letter-spacing: .08em;
}

.page-news__research-board{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-top: var(--space-6);
  padding: var(--space-5);
}

.page-news__research-board h3{
  margin: .35rem 0 0;
}

.page-news__research-board .reading-list{
  margin: 0;
}

.page-news__tagcloud{
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  margin-bottom: var(--space-5);
}

.page-news__tag{
  padding: .45rem .9rem;
  background: rgba(0,229,255,.08);
  border: 1px solid var(--news-card-border);
  border-radius: calc(var(--cut) - 4px);
  color: var(--color-light);
  text-decoration: none;
  font-size: .9rem;
  transition: background .2s ease, border-color .2s ease, color .2s ease;
}

.page-news__tag:hover{
  background: rgba(57,255,20,.1);
  border-color: var(--color-neon);
  color: var(--color-neon);
}

.page-news__tag-figure{
  position: relative;
  overflow: hidden;
  border-radius: var(--cut);
  margin: var(--space-5) 0 0;
}

.page-news__tag-figure img{
  display: block;
  width: 100%;
  height: auto;
}

.page-news__tag-figure::after{
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, rgba(10,14,26,.25), rgba(10,14,26,0) 40%);
  pointer-events: none;
}

.page-news__timeline{
  position: relative;
  list-style: none;
  margin: var(--space-5) 0 0;
  padding: 0;
}

.page-news__timeline::before{
  content: "";
  position: absolute;
  left: 7px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-electric), var(--color-neon));
  opacity: .8;
}

.page-news__timeline li{
  position: relative;
  padding: 0 0 var(--space-5) var(--space-6);
}

.page-news__timeline li:last-child{
  padding-bottom: 0;
}

.page-news__timeline li::before{
  content: "";
  position: absolute;
  left: 1px;
  top: 6px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-orange);
  box-shadow: 0 0 0 4px rgba(255,107,53,.18);
}

.page-news__timeline-period{
  display: block;
  font-family: var(--font-data);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .14em;
  color: var(--color-orange);
  margin-bottom: var(--space-2);
}

.page-news__timeline-content p{
  color: rgba(232,232,232,.84);
  line-height: 1.65;
  margin: 0;
}

@keyframes pageNewsPulse{
  0%, 100%{ box-shadow: 0 0 0 4px rgba(255,107,53,.18); }
  50%{ box-shadow: 0 0 0 8px rgba(255,107,53,.06); }
}

.page-news__timeline li::before{
  animation: pageNewsPulse 2.2s ease-in-out infinite;
}

@media (prefers-reduced-motion: reduce){
  .page-news__timeline li::before{
    animation: none;
  }
}

@media (min-width: 720px){
  .page-news__post{
    grid-template-columns: 180px minmax(0, 1fr);
  }

  .page-news__post--featured{
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .page-news__category-block{
    grid-template-columns: .8fr 1.2fr;
  }

  .page-news__research-board{
    grid-template-columns: 1fr 1.4fr;
    align-items: center;
  }

  .page-news__timeline li{
    padding-left: var(--space-7);
  }

  .page-news__timeline::before{
    left: 16px;
  }

  .page-news__timeline li::before{
    left: 10px;
  }
}

@media (min-width: 760px){
  .page-news__category-grid{
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 860px){
  .page-news__hero-grid{
    grid-template-columns: 1.05fr .95fr;
    align-items: end;
  }
}

@media (min-width: 980px){
  .page-news__latest-grid{
    grid-template-columns: 240px minmax(0, 1fr);
    align-items: start;
  }

  .page-news__catalog{
    position: sticky;
    top: calc(var(--header-h) + var(--space-5));
    max-height: calc(100vh - var(--header-h) - var(--space-6));
    overflow: auto;
  }
}