.page-news {
  --news-grid-line: rgba(163, 163, 179, 0.12);
  --news-glow-orange: rgba(255, 92, 0, 0.16);
  --news-glow-violet: rgba(138, 43, 226, 0.2);
  --news-panel: rgba(255, 255, 255, 0.025);
  --news-panel-strong: rgba(255, 255, 255, 0.045);
}

.page-news {
  position: relative;
  font-family: var(--font-body);
  color: var(--text-primary);
}

/* ===== Hero Frame ===== */
.page-news__hero {
  position: relative;
  padding: 24px 24px 0;
}

.page-news__hero-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse at 82% 12%, var(--news-glow-violet), transparent 46%),
    radial-gradient(ellipse at 12% 86%, var(--news-glow-orange), transparent 38%),
    linear-gradient(135deg, var(--bg-deep) 0%, var(--bg-panel) 62%, #0F0A1C 100%);
  isolation: isolate;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
}

.page-news__hero-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    linear-gradient(120deg, transparent 0%, rgba(255, 92, 0, 0.05) 42%, transparent 68%),
    linear-gradient(300deg, transparent 20%, rgba(138, 43, 226, 0.06) 80%);
}

.page-news__hero-grid {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--news-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--news-grid-line) 1px, transparent 1px);
  background-size: 52px 52px;
  background-attachment: fixed;
}

.page-news__hero-ruler--top {
  position: absolute;
  top: 10px;
  left: 56px;
  right: 56px;
  height: 4px;
  z-index: 2;
  background-image: repeating-linear-gradient(90deg, var(--copper-amber) 0 4px, transparent 4px 14px);
  opacity: 0.5;
  pointer-events: none;
}

.page-news__hero-ruler--left {
  position: absolute;
  left: 10px;
  top: 56px;
  bottom: 56px;
  width: 4px;
  z-index: 2;
  background-image: repeating-linear-gradient(180deg, var(--copper-amber) 0 4px, transparent 4px 14px);
  opacity: 0.4;
  pointer-events: none;
}

.page-news__hero-corner {
  position: absolute;
  width: 30px;
  height: 30px;
  z-index: 2;
  border-color: var(--copper-amber);
  border-style: solid;
  opacity: 0.8;
  pointer-events: none;
}

.page-news__hero-corner--tl {
  top: 14px;
  left: 14px;
  border-width: 2px 0 0 2px;
}

.page-news__hero-corner--br {
  bottom: 14px;
  right: 14px;
  border-width: 0 2px 2px 0;
}

.page-news__phoenix {
  position: absolute;
  top: 22px;
  right: 30px;
  z-index: 2;
  font-family: var(--font-title);
  font-size: 68px;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  background: linear-gradient(135deg, var(--flame-orange) 10%, var(--volt-violet) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  opacity: 0.16;
  pointer-events: none;
  letter-spacing: -0.06em;
}

.page-news__hero-content {
  position: relative;
  z-index: 1;
  padding: 56px 28px 40px;
}

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

.page-news__hero-content .eyebrow {
  margin-bottom: 10px;
}

.page-news__hero .display-title {
  font-size: clamp(44px, 6vw, 80px);
  line-height: 1.04;
  letter-spacing: -0.04em;
  margin-bottom: 18px;
}

.page-news__hero-desc {
  max-width: 680px;
  color: var(--text-secondary);
  font-size: 16px;
  line-height: 1.9;
  margin-bottom: 34px;
}

.page-news__hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.page-news__hero-metrics .metric-cell {
  background: rgba(255, 255, 255, 0.04);
  border-left: 2px solid var(--flame-orange);
  padding: 14px 20px;
  min-width: 140px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.page-news__hero-media {
  position: relative;
  z-index: 1;
  margin: 0 24px 24px;
  aspect-ratio: 16 / 5;
  max-height: 420px;
  overflow: hidden;
}

.page-news__hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  display: block;
}

/* ===== Sticky Filter ===== */
.page-news__filter {
  position: sticky;
  top: var(--header-mobile-height);
  z-index: 60;
  display: flex;
  gap: 10px;
  margin: 28px 16px 64px;
  padding: 10px 12px;
  overflow-x: auto;
  scrollbar-width: none;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--line-edge);
  border-radius: 999px;
}

.page-news__filter::-webkit-scrollbar {
  display: none;
}

.page-news__filter-link {
  flex: 0 0 auto;
  padding: 8px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  transition: background var(--ease), color var(--ease), box-shadow var(--ease);
}

.page-news__filter-link:hover,
.page-news__filter-link--active {
  background: linear-gradient(135deg, rgba(255, 92, 0, 0.18), rgba(138, 43, 226, 0.16));
  color: var(--text-primary);
  box-shadow: 0 0 0 1px rgba(255, 92, 0, 0.28);
}

/* ===== Sections ===== */
.page-news__section {
  padding: 64px 0;
  position: relative;
}

.page-news__latest {
  background-attachment: fixed;
  background-image:
    linear-gradient(var(--news-grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--news-grid-line) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: 0 0;
  background-color: var(--bg-void);
}

.page-news__section-head {
  margin-bottom: 44px;
  max-width: 820px;
}

.page-news__section-head .eyebrow {
  margin-bottom: 12px;
}

.page-news__section-head .section-title {
  margin-bottom: 12px;
}

.page-news__section-intro {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 16px;
}

/* ===== Journal Feed ===== */
.page-news__feed {
  position: relative;
  display: grid;
  gap: 28px;
}

.page-news__feed::before {
  content: "";
  position: absolute;
  left: 18px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(180deg, transparent 0%, var(--flame-orange) 18%, var(--volt-violet) 82%, transparent 100%);
  opacity: 0.34;
  pointer-events: none;
}

.page-news__entry {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
  padding: 26px 22px 26px 54px;
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.035), rgba(255, 255, 255, 0.008)),
    var(--bg-panel);
  transition: transform var(--ease), box-shadow var(--ease), background var(--ease);
}

.page-news__entry::before {
  content: "";
  position: absolute;
  top: 0;
  right: 24px;
  left: auto;
  width: 64px;
  height: 2px;
  background: linear-gradient(90deg, var(--flame-orange), var(--volt-violet));
  border-radius: 2px;
  opacity: 0.9;
}

.page-news__entry::after {
  content: "↗";
  position: absolute;
  right: 18px;
  bottom: 14px;
  font-size: 20px;
  color: var(--text-muted);
  opacity: 0;
  transform: translate(-6px, 6px);
  transition: opacity var(--ease), transform var(--ease), color var(--ease);
  pointer-events: none;
}

.page-news__entry:hover {
  transform: translateY(-3px);
  background:
    linear-gradient(135deg, rgba(255, 92, 0, 0.05), rgba(138, 43, 226, 0.04)),
    var(--bg-raised);
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.36);
}

.page-news__entry:hover::after {
  opacity: 1;
  transform: translate(0, 0);
  color: var(--flame-orange);
}

.page-news__entry--featured {
  padding-bottom: 30px;
}

.page-news__entry-media {
  aspect-ratio: 16 / 9;
  max-height: 320px;
  overflow: hidden;
  border-radius: var(--radius-md);
}

.page-news__entry-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 240ms ease;
}

.page-news__entry:hover .page-news__entry-media img {
  transform: scale(1.02);
}

.page-news__entry-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}

.page-news__entry-title {
  font-family: var(--font-title);
  font-size: clamp(19px, 2.4vw, 26px);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.01em;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.page-news__entry-excerpt {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.85;
  margin-bottom: 14px;
}

.page-news__entry-details {
  margin-top: 6px;
  border-left: 2px solid var(--line-edge);
  padding-left: 16px;
  transition: border-color var(--ease);
}

.page-news__entry-details[open] {
  border-color: var(--flame-orange);
}

.page-news__entry-details summary {
  cursor: pointer;
  list-style: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  transition: color var(--ease);
}

.page-news__entry-details summary::-webkit-details-marker {
  display: none;
}

.page-news__entry-details summary::after {
  content: "＋";
  font-size: 15px;
  color: var(--copper-amber);
  transition: transform var(--ease);
}

.page-news__entry-details[open] summary {
  color: var(--flame-orange);
}

.page-news__entry-details[open] summary::after {
  content: "－";
  transform: rotate(180deg);
}

.page-news__entry-fulltext {
  margin-top: 14px;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.85;
}

.page-news__entry-fulltext p + p {
  margin-top: 10px;
}

.page-news__entry-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-news .btn-compact {
  padding: 9px 18px;
  font-size: 14px;
  border-radius: 999px;
}

/* ===== Category Grid ===== */
.page-news__categories {
  background: linear-gradient(180deg, var(--bg-void) 0%, var(--bg-deep) 100%);
}

.page-news__category-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-news__category-card {
  position: relative;
  padding: 30px 28px 28px;
  background:
    linear-gradient(160deg, rgba(138, 43, 226, 0.08), transparent 56%),
    linear-gradient(320deg, rgba(255, 92, 0, 0.05), transparent 48%),
    var(--bg-panel);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
  transition: background var(--ease), transform var(--ease);
}

.page-news__category-card:hover {
  transform: translateY(-4px);
  background:
    linear-gradient(160deg, rgba(138, 43, 226, 0.13), transparent 58%),
    linear-gradient(320deg, rgba(255, 92, 0, 0.09), transparent 50%),
    var(--bg-raised);
}

.page-news__category-title {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 900;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.page-news__category-title::before {
  content: "◆ ";
  color: var(--flame-orange);
  font-size: 14px;
  vertical-align: 2px;
}

.page-news__category-desc {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 18px;
}

.page-news__category-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-news__category-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.6;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

.page-news__category-list a::before {
  content: "→";
  color: var(--copper-amber);
  font-weight: 600;
}

.page-news__category-list a:hover {
  color: var(--text-primary);
  border-color: var(--flame-orange);
}

/* ===== Popular ===== */
.page-news__popular {
  background:
    radial-gradient(ellipse at 20% 10%, var(--news-glow-violet), transparent 44%),
    var(--bg-void);
}

.page-news__popular-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-news__popular-card {
  position: relative;
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 16px;
  align-items: start;
  padding: 24px 22px;
  text-decoration: none;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.008)),
    var(--bg-panel);
  border-radius: var(--radius-md);
  transition: transform var(--ease), background var(--ease);
}

.page-news__popular-card:hover {
  transform: translateX(6px);
  background:
    linear-gradient(135deg, rgba(255, 92, 0, 0.06), rgba(138, 43, 226, 0.04)),
    var(--bg-raised);
}

.page-news__popular-index {
  font-family: var(--font-title);
  font-size: 30px;
  font-weight: 900;
  line-height: 1;
  color: transparent;
  background: linear-gradient(135deg, var(--flame-orange), var(--volt-violet));
  -webkit-background-clip: text;
  background-clip: text;
  opacity: 0.9;
}

.page-news__popular-content {
  display: grid;
  gap: 8px;
}

.page-news__popular-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.page-news__popular-content strong {
  font-family: var(--font-title);
  font-size: 17px;
  font-weight: 900;
  line-height: 1.45;
  color: var(--text-primary);
}

.page-news__popular-summary {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.7;
}

/* ===== Media Query: Tablet ===== */
@media (min-width: 768px) {
  .page-news__hero {
    padding: 32px 32px 0;
  }

  .page-news__hero-content {
    padding: 72px 56px 48px;
  }

  .page-news__hero-metrics {
    gap: 16px;
  }

  .page-news__filter {
    top: 0;
    margin-top: 36px;
    width: max-content;
    margin-left: auto;
    margin-right: auto;
  }

  .page-news__feed::before {
    left: 34px;
  }

  .page-news__entry {
    padding: 32px 30px 32px 78px;
    gap: 26px;
  }

  .page-news__entry--with-media,
  .page-news__entry--featured {
    grid-template-columns: 5fr 7fr;
  }

  .page-news__category-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
  }

  .page-news__popular-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

/* ===== Media Query: Desktop ===== */
@media (min-width: 1200px) {
  .page-news__section {
    padding: 96px 0;
  }

  .page-news__hero-media {
    margin: 0 32px 32px;
  }

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

  .page-news__popular-card {
    grid-template-columns: 44px 1fr;
    padding: 26px 20px;
    min-height: 240px;
  }

  .page-news__popular-summary {
    font-size: 13px;
  }
}