/* ═══════════════════════════════════════════════════════════════
   INSIGHTS HUB PAGE
   ═══════════════════════════════════════════════════════════════ */

@layer components {
  .insights-hub {
    background-color: var(--color-bg);
    color: var(--color-text);
    min-height: 100vh;
    padding-top: 120px;
    padding-bottom: var(--spacing-4xl);
  }

  .insights-header {
    max-width: var(--content-wide);
    margin: 0 auto;
    padding: var(--spacing-2xl) var(--gutter);
    text-align: center;
  }

  .insights-header__title {
    font-family: var(--font-serif);
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 0.9;
    margin-bottom: var(--spacing-md);
  }

  .insights-header__subtitle {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    color: var(--color-text-secondary);
  }

  /* ─── Controls ────────────────────────────────────────── */
  .insights-controls {
    max-width: var(--content-wide);
    margin: 0 auto var(--spacing-3xl);
    padding: 0 var(--gutter);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
  }

  @media (min-width: 768px) {
    .insights-controls {
      flex-direction: row;
      justify-content: space-between;
      align-items: center;
    }
  }

  .insights-search {
    flex: 1;
    max-width: 400px;
    position: relative;
  }

  .insights-search__input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) 0;
    color: var(--color-text);
    font-family: var(--font-sans);
    font-size: 1.1rem;
    transition: border-color var(--duration-fast) ease;
    outline: none;
  }

  .insights-search__input:focus {
    border-bottom-color: var(--color-accent);
  }

  .insights-categories {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
  }

  .insights-category-btn {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-secondary);
    padding: 0.5rem 1.2rem;
    border-radius: 20px;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--duration-fast) ease;
  }

  .insights-category-btn:hover,
  .insights-category-btn--active {
    border-color: var(--color-accent);
    color: var(--color-accent);
  }

  /* ─── Featured Article ────────────────────────────────── */
  .insights-featured {
    max-width: var(--content-wide);
    margin: 0 auto var(--spacing-4xl);
    padding: 0 var(--gutter);
  }

  .featured-card {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
    text-decoration: none;
  }

  @media (min-width: 1024px) {
    .featured-card {
      grid-template-columns: 1.5fr 1fr;
      align-items: center;
    }
  }

  .featured-card__image-wrap {
    width: 100%;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    position: relative;
  }

  .featured-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .featured-card:hover .featured-card__image {
    transform: scale(1.05);
  }

  .featured-card__content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
  }

  .featured-card__title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 4rem);
    line-height: 1.1;
    color: var(--color-text);
  }

  .featured-card__excerpt {
    font-family: var(--font-sans);
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
  }

  /* ─── Article Grid ────────────────────────────────────── */
  .insights-grid {
    max-width: var(--content-wide);
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

  @media (min-width: 768px) {
    .insights-grid {
      grid-template-columns: repeat(2, 1fr);
    }
  }

  @media (min-width: 1200px) {
    .insights-grid {
      grid-template-columns: repeat(3, 1fr);
    }
  }

  .article-card {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-decoration: none;
    position: relative;
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: border-color var(--duration-fast) ease;
  }

  .article-card:hover {
    border-bottom-color: var(--color-accent);
  }

  .article-card__image-wrap {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
  }

  .article-card__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .article-card:hover .article-card__image {
    transform: scale(1.05);
  }

  .article-card__title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    line-height: 1.2;
    color: var(--color-text);
  }

  .article-card__excerpt {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
  }
}