/* ============================================================
   YunZhongTech · Subpage Styles
   Page-specific styles for inner pages
   ============================================================ */

/* ── About Page ── */

/* Company intro split layout */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}

.about-intro__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.about-intro__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-highlight);
}

.about-intro__text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.about-intro__visual {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(184, 217, 255, 0.14);
  box-shadow: 0 28px 90px rgba(0, 0, 0, 0.32);
}

.about-intro__visual::after,
.strategy-visual::after,
.sustainability-grid img,
.business-grid img {
  pointer-events: none;
}

.about-intro__visual-placeholder {
  font-size: var(--text-8xl);
  opacity: 0.15;
}

/* Mission/Vision cards */
.mission-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.mission-card {
  padding: var(--space-8);
  text-align: center;
  background: linear-gradient(180deg, rgba(14, 34, 49, 0.72), rgba(7, 15, 24, 0.82));
}

.mission-card__icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.mission-card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
}

.mission-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Culture cards */
.culture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.culture-card {
  text-align: center;
  padding: var(--space-8);
  background: linear-gradient(180deg, rgba(14, 34, 49, 0.62), rgba(7, 15, 24, 0.72));
}

.culture-card__icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
  display: block;
}

.culture-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
}

.culture-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* Contact section */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.contact-item {
  text-align: center;
  padding: var(--space-8);
  background: rgba(9, 22, 34, 0.54);
}

.contact-item__icon {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-4);
}

.contact-item__label {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-bottom: var(--space-2);
}

.contact-item__value {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  color: var(--text-primary);
}


/* ── Matrix / Business Page ── */

.business-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-5);
}

.biz-card {
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  background: linear-gradient(180deg, rgba(14, 34, 49, 0.72), rgba(7, 15, 24, 0.84));
}

.biz-card__icon {
  font-size: var(--text-4xl);
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(24, 214, 198, 0.1);
}

.biz-card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
}

.biz-card__subtitle {
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  margin-top: calc(-1 * var(--space-2));
}

.biz-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
}

.biz-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}


/* ── Technology Page ── */

.patent-gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.patent-item {
  text-align: center;
  padding: var(--space-6);
  background: rgba(9, 22, 34, 0.48);
  border: 1px solid rgba(184, 217, 255, 0.08);
  border-radius: var(--radius-xl);
}

.patent-item__visual {
  aspect-ratio: 3 / 4;
  background: linear-gradient(160deg, rgba(24, 214, 198, 0.1), rgba(47, 141, 255, 0.04));
  border-radius: var(--radius-md);
  margin-bottom: var(--space-4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-4xl);
  opacity: 0.3;
}

.patent-item__title {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--text-secondary);
}

/* Research system */
.research-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.research-card {
  padding: var(--space-8);
  text-align: center;
  background: linear-gradient(180deg, rgba(14, 34, 49, 0.64), rgba(7, 15, 24, 0.76));
}

.research-card__icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.research-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
}

.research-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* Honors */
.honors-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.honor-card {
  padding: var(--space-8);
  text-align: center;
  background: rgba(9, 22, 34, 0.52);
}

.honor-card__year {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--text-accent);
  letter-spacing: var(--tracking-wider);
  margin-bottom: var(--space-3);
}

.honor-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
}


/* ── Strategy Page ── */

.strategy-visual {
  position: relative;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  background:
    radial-gradient(circle at 50% 40%, rgba(24, 214, 198, 0.12), transparent 18rem),
    var(--glass-bg);
  border: var(--glass-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.strategy-visual__placeholder {
  text-align: center;
  color: var(--text-tertiary);
}

.strategy-visual__placeholder-icon {
  font-size: var(--text-8xl);
  opacity: 0.15;
  display: block;
  margin-bottom: var(--space-4);
}

.strategy-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.strategy-pillar {
  padding: var(--space-8);
  text-align: center;
  background: linear-gradient(180deg, rgba(14, 34, 49, 0.64), rgba(7, 15, 24, 0.78));
}

.strategy-pillar__icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.strategy-pillar__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-3);
}

.strategy-pillar__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

/* Sustainability */
.sustainability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
  align-items: center;
}

.sustainability-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.sustainability-content__text {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.sustainability-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.sustainability-stat {
  padding: var(--space-6);
  text-align: center;
  background: rgba(9, 22, 34, 0.52);
  border: 1px solid rgba(184, 217, 255, 0.08);
  border-radius: var(--radius-lg);
}

.sustainability-stat__number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-1);
}

.sustainability-stat__label {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
}


/* ── News Page ── */

/* Tab switcher */
.tab-switcher {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-10);
  border-bottom: 0;
  padding: var(--space-1);
  background: rgba(9, 22, 34, 0.54);
  border: 1px solid rgba(184, 217, 255, 0.1);
  border-radius: var(--radius-lg);
  width: fit-content;
}

.tab-switcher__btn {
  background: none;
  border: none;
  color: var(--text-tertiary);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  cursor: pointer;
  position: relative;
  transition: color var(--duration-normal);
}

.tab-switcher__btn::after {
  content: none;
}

.tab-switcher__btn.is-active {
  color: var(--text-primary);
  background: rgba(24, 214, 198, 0.12);
}

.tab-switcher__btn:hover {
  color: var(--text-secondary);
}

/* News grid for listing pages */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

/* Skeleton news card */
.skeleton-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--glass-bg);
  border: var(--glass-border);
}

.skeleton-card__img {
  aspect-ratio: 16 / 9;
}

.skeleton-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}


/* ── News Detail Page ── */

.article {
  max-width: 800px;
  margin-inline: auto;
}

.article__header {
  margin-bottom: var(--space-10);
}

.article__title {
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-4);
  line-height: var(--leading-snug);
}

.article__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

.article__content {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.article__content p {
  margin-bottom: var(--space-6);
}

.article__content img {
  border-radius: var(--radius-md);
  margin: var(--space-8) 0;
}

.article__content h2 {
  font-size: var(--text-2xl);
  margin: var(--space-10) 0 var(--space-4);
}

.article__content h3 {
  font-size: var(--text-xl);
  margin: var(--space-8) 0 var(--space-3);
}

/* Related news */
.related-news {
  margin-top: var(--space-16);
  padding-top: var(--space-12);
  border-top: 1px solid var(--color-border);
}

.related-news__title {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-8);
}

.related-news__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}


/* ── Careers Page ── */

.careers-hero__copy {
  max-width: 700px;
  margin-inline: auto;
  text-align: center;
}

.careers-hero__tagline {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--text-highlight);
  margin-bottom: var(--space-4);
}

/* Values grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.value-card {
  text-align: center;
  padding: var(--space-8);
}

.value-card__icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--space-4);
}

.value-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-2);
}

.value-card__desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
}

/* Job listings */
.job-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.job-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6) var(--space-8);
  text-decoration: none;
  color: inherit;
}

.job-card__info {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.job-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
}

.job-card__meta {
  display: flex;
  gap: var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
}

.job-card__arrow {
  font-size: var(--text-xl);
  color: var(--text-tertiary);
  transition: all var(--duration-normal);
}

.job-card:hover .job-card__arrow {
  color: var(--text-accent);
  transform: translateX(4px);
}


/* ── Career Detail Page ── */

.job-detail {
  max-width: 800px;
  margin-inline: auto;
}

.job-detail__header {
  margin-bottom: var(--space-10);
}

.job-detail__title {
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  margin-bottom: var(--space-4);
}

.job-detail__summary {
  font-size: var(--text-lg);
  color: var(--text-secondary);
  margin-bottom: var(--space-6);
}

.job-detail__meta {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.job-detail__meta-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.job-detail__meta-label {
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.job-detail__meta-value {
  font-size: var(--text-base);
  font-weight: var(--weight-medium);
}

.job-detail__content {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
}

.job-detail__content h2,
.job-detail__content h3 {
  color: var(--text-primary);
  margin: var(--space-8) 0 var(--space-4);
}

.job-detail__content ul,
.job-detail__content ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-6);
}

.job-detail__content li {
  margin-bottom: var(--space-2);
  list-style: disc;
}

.job-detail__apply {
  margin-top: var(--space-10);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}


/* ── Responsive Overrides for Subpages ── */

@media (max-width: 1024px) {
  .about-intro {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .business-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .biz-featured {
    grid-template-columns: 1fr !important;
  }

  .patent-gallery {
    grid-template-columns: repeat(3, 1fr);
  }

  .culture-grid,
  .values-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .strategy-pillars,
  .research-grid,
  .honors-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .news-grid,
  .related-news__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .sustainability-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .about-intro {
    gap: var(--space-6);
  }

  .business-grid,
  .patent-gallery,
  .contact-grid,
  .culture-grid,
  .values-grid,
  .strategy-pillars,
  .research-grid,
  .honors-grid,
  .mission-grid {
    grid-template-columns: 1fr;
  }

  .biz-featured {
    grid-template-columns: 1fr !important;
    padding: var(--space-6) !important;
  }

  .news-grid,
  .related-news__grid {
    grid-template-columns: 1fr;
  }

  .sustainability-stats {
    grid-template-columns: 1fr;
  }

  .article__title,
  .job-detail__title {
    font-size: var(--text-2xl);
  }

  .tab-switcher {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .job-card {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .job-detail__meta {
    flex-direction: column;
    gap: var(--space-4);
  }
}

/* ============================================================
   Matrix Page · Immersive Full-Screen Sections
   ============================================================ */

/* Scroll container */
.immersive-scroll {
  scroll-snap-type: y proximity;
}

/* Each full-screen section */
.immersive-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  scroll-snap-align: start;
}

/* Background image layer */
.immersive-section__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.immersive-section__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transform: scale(1.08);
  transition: transform 8s ease-out;
}

.immersive-section.is-active .immersive-section__bg img {
  transform: scale(1);
}

/* Gradient overlay */
.immersive-section__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(
    135deg,
    rgba(2, 6, 23, 0.92) 0%,
    rgba(2, 6, 23, 0.65) 50%,
    rgba(2, 6, 23, 0.4) 100%
  );
}

/* Content container */
.immersive-section__content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  padding: var(--space-8);
  opacity: 0;
  transform: translateY(60px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.immersive-section.is-active .immersive-section__content {
  opacity: 1;
  transform: translateY(0);
}

/* Section number */
.immersive-section__index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: var(--text-7xl);
  font-weight: var(--weight-black);
  line-height: 1;
  -webkit-text-stroke: 1px var(--accent-cyan);
  color: transparent;
  opacity: 0.15;
  margin-bottom: var(--space-4);
}

/* Section icon */
.immersive-section__icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  filter: drop-shadow(0 0 20px currentColor);
}

/* Section title */
.immersive-section__title {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: var(--weight-black);
  color: #f0c54d;
  line-height: 1.15;
  margin-bottom: var(--space-2);
  text-shadow: 0 2px 12px rgba(240, 197, 77, 0.25);
}

/* Section subtitle */
.immersive-section__subtitle {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  margin-bottom: var(--space-6);
}

/* Section description */
.immersive-section__desc {
  font-size: var(--text-base);
  color: var(--text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

/* Section tags */
.immersive-section__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.immersive-section__tags .tag {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  padding: 6px 16px;
  font-size: var(--text-sm);
}

/* Per-section accent glow */
.immersive-section[data-accent="cyan"] .immersive-section__title {
  text-shadow: 0 0 40px rgba(6, 182, 212, 0.3);
}
.immersive-section[data-accent="indigo"] .immersive-section__title {
  text-shadow: 0 0 40px rgba(99, 102, 241, 0.3);
}
.immersive-section[data-accent="emerald"] .immersive-section__title {
  text-shadow: 0 0 40px rgba(16, 185, 129, 0.3);
}
.immersive-section[data-accent="purple"] .immersive-section__title {
  text-shadow: 0 0 40px rgba(168, 85, 247, 0.3);
}
.immersive-section[data-accent="amber"] .immersive-section__title {
  text-shadow: 0 0 40px rgba(245, 158, 11, 0.3);
}

/* Accent bar */
.immersive-section__content::before {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  margin-bottom: var(--space-6);
  border-radius: 2px;
}

.immersive-section[data-accent="cyan"] .immersive-section__content::before {
  background: var(--accent-cyan);
  box-shadow: 0 0 12px rgba(6, 182, 212, 0.5);
}
.immersive-section[data-accent="indigo"] .immersive-section__content::before {
  background: var(--accent-indigo);
  box-shadow: 0 0 12px rgba(99, 102, 241, 0.5);
}
.immersive-section[data-accent="emerald"] .immersive-section__content::before {
  background: var(--accent-emerald, #10b981);
  box-shadow: 0 0 12px rgba(16, 185, 129, 0.5);
}
.immersive-section[data-accent="purple"] .immersive-section__content::before {
  background: #a855f7;
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.5);
}
.immersive-section[data-accent="amber"] .immersive-section__content::before {
  background: #f59e0b;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.5);
}

/* Side navigation dots */
.immersive-nav {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.immersive-nav__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.15);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
}

.immersive-nav__dot:hover {
  background: rgba(255, 255, 255, 0.4);
  transform: scale(1.3);
}

.immersive-nav__dot.is-active {
  background: var(--accent-cyan);
  box-shadow: 0 0 8px rgba(6, 182, 212, 0.6);
  transform: scale(1.3);
}

/* Tooltip on dots */
.immersive-nav__dot::after {
  content: attr(data-label);
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  font-size: 12px;
  color: var(--text-secondary);
  background: rgba(2, 6, 23, 0.9);
  padding: 4px 12px;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
}

.immersive-nav__dot:hover::after {
  opacity: 1;
}

/* Responsive */
@media (max-width: 768px) {
  .immersive-section__content {
    padding: var(--space-6);
    max-width: 100%;
  }

  .immersive-section__title {
    font-size: clamp(1.5rem, 6vw, 2.5rem);
  }

  .immersive-section__index {
    font-size: var(--text-5xl);
  }

  .immersive-nav {
    right: 12px;
    gap: 12px;
  }

  .immersive-nav__dot::after {
    display: none;
  }
}


/* ── AI Reference Pages ── */
.ai-hero {
  background:
    radial-gradient(circle at 50% 24%, rgba(24, 214, 198, 0.12), transparent 34rem),
    linear-gradient(180deg, rgba(5, 7, 11, 0.24), transparent);
}

.ai-reference-grid,
.ai-topic-grid {
  display: grid;
  gap: var(--space-5);
}

.ai-reference-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: var(--space-8);
}

.ai-topic-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.ai-reference-card,
.ai-topic-card,
.ai-citation-box {
  border-radius: var(--radius-xl);
  border: 1px solid rgba(184, 217, 255, 0.12);
  background: linear-gradient(180deg, rgba(14, 34, 49, 0.72), rgba(7, 15, 24, 0.84));
}

.ai-reference-card {
  padding: var(--space-8);
}

.ai-reference-card__eyebrow,
.ai-topic-card span,
.ai-citation-box span {
  display: inline-block;
  margin-bottom: var(--space-3);
  color: var(--text-accent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
}

.ai-reference-card h2,
.ai-topic-card h2 {
  margin-bottom: var(--space-3);
}

.ai-link-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-5);
}

.ai-link-list a {
  padding: var(--space-2) var(--space-3);
  border: 1px solid rgba(24, 214, 198, 0.18);
  border-radius: var(--radius-md);
  background: rgba(24, 214, 198, 0.08);
  color: var(--text-accent);
  font-size: var(--text-sm);
}

.ai-topic-card {
  display: block;
  padding: var(--space-6);
  color: inherit;
  transition: transform var(--duration-normal) var(--ease-out-quart),
              border-color var(--duration-normal) var(--ease-out-quart);
}

.ai-topic-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-border-glow);
}

.ai-article {
  max-width: 920px;
}

.ai-article h2 {
  margin-top: var(--space-10);
  margin-bottom: var(--space-4);
}

.ai-article p,
.ai-list {
  font-size: var(--text-lg);
}

.ai-citation-box {
  padding: var(--space-8);
  margin-bottom: var(--space-10);
}

.ai-citation-box p {
  color: var(--text-primary);
  font-weight: var(--weight-medium);
}

.ai-list {
  display: grid;
  gap: var(--space-3);
  color: var(--text-secondary);
  list-style: disc;
  padding-left: var(--space-6);
}

@media (max-width: 1024px) {
  .ai-topic-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 768px) {
  .ai-reference-grid,
  .ai-topic-grid {
    grid-template-columns: 1fr;
  }

  .ai-article p,
  .ai-list {
    font-size: var(--text-base);
  }
}