:root {
  --color-primary: #003d82;
  --color-secondary: #f5f5f5;
  --color-accent: #f59e0b;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-border: #e5e7eb;
  --color-white: #ffffff;
  
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;

  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-2xl: 3rem;
  
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --radius-lg: 0.75rem;
  --radius-full: 9999px;
  
  --transition-fast: 200ms ease;
  --transition-normal: 300ms ease;

  --color-primary-light: #0052a3;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.75rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  --space-xl: 2rem;
  --space-3xl: 4rem;
  --space-4xl: 5rem;
  --header-height: 40px;
}

.text-center {
  text-align: center;
}


.section--gray {
  background-color: var(--color-secondary);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1;
}

.btn:hover {
  transform: scale(1.05);
}

.btn--secondary {
  background-color: var(--color-white);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
  margin-top: var(--space-2xl);
}

@media (max-width: 768px) {
  .news-grid {
    grid-template-columns: 1fr;
  }
}

.news-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.news-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.news-card__date {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.news-card__category {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-accent);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
}

.news-card__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
  transition: color var(--transition-fast);
}

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

.news-card__excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
  flex-grow: 1;
}

.news-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-primary);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.news-card__link svg {
  transition: transform var(--transition-fast);
}

.news-card:hover .news-card__link svg {
  transform: translateX(4px);
}

.news-section__more {
  text-align: center;
  margin-top: var(--space-2xl);
}

/* --- Page Header (Sub Pages) --- */
.page-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: var(--color-white);
  padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-3xl);
  text-align: center;
  min-height: 300px;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.page-header__decoration {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.03);
}

.page-header__decoration--1 {
  width: 300px;
  height: 300px;
  top: -100px;
  right: -50px;
}

.page-header__decoration--2 {
  width: 200px;
  height: 200px;
  bottom: -80px;
  left: -30px;
}

.page-header__content {
  position: relative;
  z-index: 1;
  width: 100%;
}

.page-header__title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  margin-bottom: var(--space-md);
}

.page-header__description {
  font-size: var(--font-size-md);
  opacity: 0.9;
}

/* --- News Detail --- */
.article-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-3xl) var(--space-xl);
}

.article-content__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-2xl);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.article-content__body h2 {
  font-size: var(--font-size-2xl);
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-md);
}

.article-content__body h3 {
  font-size: var(--font-size-xl);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.article-content__body p {
  margin-bottom: var(--space-md);
  line-height: 1.9;
  color: var(--color-text);
}

.article-content__body ul,
.article-content__body ol {
  margin-bottom: var(--space-md);
  padding-left: var(--space-xl);
}

.article-content__body ul {
  list-style: disc;
}

.article-content__body ol {
  list-style: decimal;
}

.article-content__body li {
  margin-bottom: var(--space-sm);
  line-height: 1.8;
}

.article-content__body a {
  word-break: break-word;
}

/* Related Articles */
.related-articles {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-2xl);
  margin-top: var(--space-2xl);
}

.related-articles__title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

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

/* --- News List (News Page) --- */
.news-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.news-list-item {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  align-items: flex-start;
  gap: var(--space-lg);
  transition: all var(--transition-normal);
}

.news-list-item:hover {
  box-shadow: var(--shadow-lg);
}

.news-list-item:hover .news-list-item__title {
  color: var(--color-primary);
}

.news-list-item__meta {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  min-width: 120px;
}

.news-list-item__date {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
}

.news-list-item__category {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background-color: rgba(245, 158, 11, 0.1);
  color: var(--color-accent);
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: 600;
  width: fit-content;
}

.news-list-item__body {
  flex-grow: 1;
}

.news-list-item__title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  margin-bottom: var(--space-sm);
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.news-list-item__excerpt {
  font-size: var(--font-size-sm);
  color: var(--color-text-light);
  line-height: 1.7;
}

.news-list-item__arrow {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
}

.news-list-item:hover .news-list-item__arrow {
  transform: translateX(4px);
}

/* Pagination */
.pagination {
  margin-top: var(--space-2xl);
  text-align: center;
}
.pagination .nav-links {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
}
.pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-sm);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-weight: 600;
  transition: all var(--transition-fast);
}
.pagination .page-numbers:hover,
.pagination .page-numbers.current {
  background-color: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

/* Responsive updates */
@media (max-width: 1024px) {
  .related-articles__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .page-header {
    min-height: 200px;
    padding: calc(var(--header-height) + var(--space-xl)) 0 var(--space-xl);
  }

  .page-header__title {
    font-size: var(--font-size-2xl);
  }

  .related-articles__grid {
    grid-template-columns: 1fr;
  }

  .news-list-item {
    flex-direction: column;
    gap: var(--space-sm);
  }

  .news-list-item__meta {
    flex-direction: row;
    align-items: center;
  }
}