Addresses three code quality issues from PR #319 review feedback.

Changes

• CSS Specificity: Removed generic .news-navigation > p selector that was overriding new semantic classes (.news-navigation-heading, .news-navigation-description)

• Animation Performance: Replaced left property animation with GPU-accelerated transform: translateX() for shimmer effect

  /* Before: triggers layout recalculation every frame */
  left: -100%;
  animation: shimmer 4s linear infinite;
  @keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
  }
  
  /* After: GPU-accelerated, no layout thrashing */
  transform: translateX(-100%);
  will-change: transform;
  animation: shimmer 4s linear infinite;
  @keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(0%); }
  }

• Norwegian Terminology: Fixed "komiténettsanalyse" → "komiténettverksanalyse" to match dashboard terminology

Screenshot

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