/**
 * PDG News List CSS
 * Page-specific styles for the news list page.
 * Requirements: 4.1, 4.2, 4.3, 4.4, 4.5, 8.1-8.4, 1.1-1.10, 16.1-16.2
 */

/* =============================================================
   NEWS HERO
   ============================================================= */
.news-hero {
  padding: 8rem 0 4rem;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.news-hero__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.news-hero__title {
  font-family: var(--font-heading);
  font-size: clamp(3rem, 6vw, 5rem);
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-fg);
  max-width: 10ch;
  text-wrap: balance;
}

/* =============================================================
   NEWS LEAD (Featured Article)
   Requirements: 4.1, 4.4
   ============================================================= */
.news-lead {
  padding: 5rem 0;
  border-bottom: 1px solid var(--color-border);
}

.news-lead__inner {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 4rem;
  align-items: center;
}

.news-lead__image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.news-lead__image .pdg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-lead__body {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.news-lead__title {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.75rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.2;
  color: var(--color-fg);
  transition: color var(--duration-functional) var(--ease-functional);
  text-wrap: balance;
}

.news-lead__link {
  text-decoration: none;
  color: inherit;
}

.news-lead__link:hover .news-lead__title {
  color: var(--color-accent);
}

.news-lead__excerpt {
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--color-fg-muted);
}

.news-lead__meta {
  display: flex;
  gap: 1rem;
  align-items: center;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-fg-muted);
}

.news-lead__meta-sep {
  color: var(--color-border);
}

.news-lead__cta {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-fg);
  text-decoration: none;
  min-height: 44px;
  transition: color var(--duration-functional) var(--ease-functional);
}

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

/* =============================================================
   NEWS GRID (Secondary Articles)
   Requirements: 4.2, 4.4, 4.5
   ============================================================= */
.news-grid {
  padding: 5rem 0;
}

.news-grid__heading {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-fg);
  margin-bottom: 3rem;
  text-wrap: balance;
}

.news-grid__list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

/* =============================================================
   NEWS CARD
   Requirements: 4.2, 1.9
   ============================================================= */
.news-card {
  border-top: 2px solid var(--color-border);
  transition: border-top-color var(--duration-functional) var(--ease-functional);
}

.news-card:hover {
  border-top-color: var(--color-accent);
}

.news-card__link {
  display: block;
  text-decoration: none;
  color: inherit;
  padding-top: 1.5rem;
}

.news-card__image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.news-card__image .pdg-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.news-card__meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.75rem;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-fg-muted);
}

.news-card__meta-sep {
  color: var(--color-border);
}

.news-card__title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  line-height: 1.3;
  color: var(--color-fg);
  margin-bottom: 1rem;
  transition: color var(--duration-functional) var(--ease-functional);
  text-wrap: balance;
}

.news-card:hover .news-card__title {
  color: var(--color-accent);
}

.news-card__cta {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: var(--font-weight-semibold);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-fg);
  transition: color var(--duration-functional) var(--ease-functional);
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.news-card:hover .news-card__cta {
  color: var(--color-accent);
}

/* =============================================================
   RESPONSIVE: TABLET (768px – 1023px)
   ============================================================= */
@media (max-width: 1023px) {
  .news-lead__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .news-grid__list {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

/* =============================================================
   RESPONSIVE: MOBILE (< 768px)
   ============================================================= */
@media (max-width: 767px) {
  .news-hero { padding: 6rem 0 3rem; }
  .news-hero__title { font-size: clamp(2.35rem, 12vw, 3.75rem); max-width: 8ch; }
  .news-lead { padding: 3rem 0; }
  .news-lead__inner { grid-template-columns: 1fr; gap: 1.5rem; }
  .news-lead__image,
  .news-card__image { aspect-ratio: 5 / 4; }
  .news-lead__title { font-size: clamp(1.55rem, 8vw, 2.2rem); }
  .news-lead__excerpt { font-size: 1rem; line-height: 1.7; }
  .news-lead__meta { flex-wrap: wrap; }
  .news-grid { padding: 3rem 0; }
  .news-grid__heading { margin-bottom: 2rem; }
  .news-grid__list { grid-template-columns: 1fr; gap: 1.5rem; }
}

@media (max-width: 479px) {
  .news-hero { padding: 5.5rem 0 2.5rem; }
}

/* =============================================================
   REDUCED MOTION
   ============================================================= */
@media (prefers-reduced-motion: reduce) {
  .news-card,
  .news-card__title,
  .news-card__cta,
  .news-lead__title,
  .news-lead__cta {
    transition: none;
  }
}