/* =============================================================================
 * A04_NewsHistory_UI_Style.css
 * 최신소식/개선이력 페이지 고유 스타일 — theme.css 변수만 참조 (하드코딩 금지).
 * ========================================================================== */

.a04-news-history {
  display: flex;
  flex-direction: column;
  gap: var(--section-gap);
  padding-bottom: var(--spacing-64);
}

/* --- Hero --- */
.a04-hero {
  background: linear-gradient(to bottom, var(--color-mist-violet), var(--color-canvas));
  padding: var(--spacing-96) var(--spacing-32);
}
.a04-hero__inner {
  max-width: var(--page-max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--spacing-24);
}
.a04-hero__title {
  font-size: var(--text-heading-lg);
  line-height: var(--leading-heading-lg);
  color: var(--color-deep-iris);
  max-width: 18ch;
}
.a04-hero__subtitle {
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-slate);
  max-width: 56ch;
  margin: 0;
}

/* --- 공통 섹션 --- */
.a04-section {
  max-width: var(--page-max-width);
  margin: 0 auto;
  width: 100%;
  padding: 0 var(--spacing-32);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-24);
}

/* --- Timeline --- */
.a04-timeline {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-8);
}
.a04-timeline-row {
  display: flex;
  align-items: center;
  gap: var(--spacing-16);
  padding: var(--spacing-16) var(--spacing-24);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-cards);
}
.a04-timeline-row__title {
  flex: 1;
  color: var(--color-charcoal);
  font-size: var(--text-body-sm);
}
.a04-timeline-row__date {
  color: var(--color-ash);
  font-size: var(--text-caption);
}
.a04-timeline__empty {
  text-align: center;
  color: var(--color-slate);
  font-size: var(--text-body);
}

@media (max-width: 900px) {
  .a04-hero__title {
    font-size: var(--text-heading);
  }
}