/* ========================================
   L2Ksoft Daily AI & IT Brief
   ======================================== */

.news-page {
  padding: 126px 0 96px;
}

.news-page-hero {
  position: relative;
  overflow: hidden;
  padding: 50px;
  border-radius: 34px;
  color: #fff;
  background:
    radial-gradient(circle at 82% 14%, rgba(200, 164, 95, 0.24), transparent 26%),
    radial-gradient(circle at 12% 86%, rgba(190, 22, 34, 0.28), transparent 30%),
    linear-gradient(145deg, var(--navy-950), #17213d);
  box-shadow: var(--shadow-lg);
}

.news-page-hero::after {
  content: '';
  position: absolute;
  width: 280px;
  height: 280px;
  right: -120px;
  bottom: -150px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  box-shadow: 0 0 0 42px rgba(255, 255, 255, 0.025), 0 0 0 84px rgba(255, 255, 255, 0.018);
}

.news-page-hero h1 {
  position: relative;
  z-index: 1;
  max-width: 880px;
  margin-top: 22px;
  font-family: var(--font-display);
  font-size: clamp(2.35rem, 6vw, 4.8rem);
  line-height: 1.15;
  letter-spacing: -0.055em;
}

.news-page-hero p {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin-top: 22px;
  color: rgba(233, 239, 250, 0.74);
  font-size: 1.06rem;
}

.brief-meta {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 30px;
  color: var(--gold-soft);
  font-size: 0.88rem;
  font-weight: 600;
}

.brief-meta span:not(:last-child)::after {
  content: '·';
  margin-left: 22px;
  color: rgba(255, 255, 255, 0.3);
}

.brief-cover {
  position: relative;
  overflow: hidden;
  margin-top: 32px;
  border-radius: 30px;
  background: var(--navy-950);
  box-shadow: var(--shadow-md);
}

.brief-cover img {
  display: block;
  width: 100%;
  height: clamp(360px, 44vw, 540px);
  object-fit: cover;
}

.brief-cover figcaption {
  position: absolute;
  right: 18px;
  bottom: 14px;
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.72);
  background: rgba(5, 12, 25, 0.68);
  font-size: 0.68rem;
  backdrop-filter: blur(8px);
}

.market-panel-detail {
  margin-top: 32px;
}

.brief-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 270px;
  gap: 28px;
  margin-top: 32px;
  align-items: start;
}

.brief-list,
.brief-index {
  display: grid;
  gap: 20px;
}

.brief-article,
.brief-index,
.archive-card {
  border: 1px solid rgba(122, 141, 176, 0.18);
  background: rgba(255, 255, 255, 0.82);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.brief-article {
  padding: 34px;
  border-radius: 30px;
  scroll-margin-top: 100px;
}

.brief-article-header {
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.brief-number {
  flex: 0 0 auto;
  display: grid;
  width: 48px;
  height: 48px;
  border-radius: 15px;
  place-items: center;
  color: #fff;
  background: var(--gradient-accent);
  font-weight: 800;
}

.brief-kicker {
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.brief-article h2 {
  margin-top: 8px;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3vw, 2.18rem);
  line-height: 1.35;
  letter-spacing: -0.035em;
  color: var(--navy-900);
}

.brief-article-body {
  margin-top: 26px;
  color: var(--text-soft);
}

.brief-article-body p + p {
  margin-top: 16px;
}

.brief-takeaway {
  margin-top: 24px;
  padding: 20px 22px;
  border-left: 3px solid var(--gold);
  border-radius: 0 18px 18px 0;
  background: linear-gradient(90deg, rgba(200, 164, 95, 0.12), rgba(244, 247, 251, 0.5));
}

.brief-takeaway strong {
  display: block;
  margin-bottom: 6px;
  color: var(--navy-900);
}

.brief-source-link {
  display: inline-flex;
  gap: 8px;
  margin-top: 22px;
  align-items: center;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
}

.brief-source-link:hover {
  color: var(--accent-strong);
}

.brief-index {
  position: sticky;
  top: 98px;
  padding: 24px;
  border-radius: 26px;
}

.brief-index h2 {
  font-size: 1rem;
  color: var(--navy-900);
}

.brief-index ol {
  display: grid;
  gap: 10px;
  list-style: decimal;
  padding-left: 20px;
}

.brief-index a {
  color: var(--text-soft);
  font-size: 0.9rem;
}

.brief-index a:hover {
  color: var(--accent);
}

.brief-note {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  color: var(--text-muted);
  font-size: 0.78rem;
}

.archive-heading {
  display: flex;
  gap: 20px;
  margin: 44px 0 24px;
  align-items: end;
  justify-content: space-between;
}

.archive-heading h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.7rem);
  color: var(--navy-900);
}

.archive-heading p {
  color: var(--text-soft);
}

.archive-list {
  display: grid;
  gap: 18px;
}

.archive-card {
  display: grid;
  grid-template-columns: 180px 118px minmax(0, 1fr) auto;
  gap: 26px;
  padding: 28px 30px;
  border-radius: 26px;
  align-items: center;
  transition: transform var(--transition), box-shadow var(--transition);
}

.archive-thumb {
  width: 180px;
  height: auto;
  aspect-ratio: 16 / 9;
  border-radius: 16px;
  object-fit: cover;
}

.archive-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.archive-date {
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.archive-card h3 {
  color: var(--navy-900);
  font-size: 1.2rem;
}

.archive-card p {
  margin-top: 5px;
  color: var(--text-soft);
  font-size: 0.91rem;
}

.archive-arrow {
  color: var(--gold);
  font-size: 1.35rem;
}

.news-back-link {
  display: inline-flex;
  margin-top: 28px;
  color: var(--text-soft);
  font-weight: 700;
}

.news-back-link:hover {
  color: var(--accent);
}

@media (max-width: 900px) {
  .brief-layout {
    grid-template-columns: 1fr;
  }

  .brief-index {
    position: static;
    grid-row: 1;
  }

  .archive-card {
    grid-template-columns: 150px minmax(0, 1fr) auto;
  }

  .archive-thumb {
    grid-column: 1 / -1;
    width: 100%;
    aspect-ratio: 16 / 6;
  }
}

@media (max-width: 640px) {
  .news-page {
    padding-top: 106px;
    padding-bottom: 68px;
  }

  .news-page-hero,
  .brief-article {
    padding: 26px;
  }

  .brief-cover img {
    height: 290px;
  }

  .brief-cover figcaption {
    left: 12px;
    right: auto;
    bottom: 10px;
  }

  .brief-article-header {
    flex-direction: column;
  }

  .brief-meta span:not(:last-child)::after {
    display: none;
  }

  .archive-card {
    grid-template-columns: 1fr auto;
    gap: 10px 18px;
  }

  .archive-thumb {
    grid-column: 1 / -1;
    aspect-ratio: 16 / 9;
  }

  .archive-date {
    grid-column: 1 / -1;
  }
}