/* style/news.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm padding-top cho body hoặc các section đầu tiên. */

:root {
  --page-news-primary-color: #017439;
  --page-news-secondary-color: #FFFFFF;
  --page-news-text-dark: #333333;
  --page-news-text-light: #ffffff;
  --page-news-bg-dark: #121212; /* Lấy từ body background */
  --page-news-btn-register-bg: #C30808;
  --page-news-btn-login-bg: #C30808;
  --page-news-btn-text-yellow: #FFFF00;
}

.page-news {
  color: var(--page-news-text-light); /* Text mặc định trên nền body tối */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-news__section {
  padding: 60px 20px;
  text-align: center;
  background-color: var(--page-news-bg-dark); /* Đảm bảo nền khớp với body */
}

.page-news__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
  box-sizing: border-box;
}

.page-news__dark-section {
  background-color: var(--page-news-primary-color);
  color: var(--page-news-text-light);
}

/* Hero Section */
.page-news__hero-section {
  padding-top: 10px; /* Nhỏ gọn, không sử dụng var(--header-offset) */
  padding-bottom: 60px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: var(--page-news-primary-color); /* Nền xanh cho hero */
  color: var(--page-news-text-light);
  position: relative;
  overflow: hidden;
}

.page-news__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  margin-bottom: 30px; /* Khoảng cách giữa ảnh và nội dung */
}

.page-news__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 8px;
}

.page-news__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 15px;
}

.page-news__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--page-news-text-light);
}

.page-news__description {
  font-size: 1.15rem;
  margin-bottom: 30px;
  color: var(--page-news-text-light);
}

.page-news__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-news__btn-primary,
.page-news__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-news__btn-primary {
  background-color: var(--page-news-btn-register-bg); /* #C30808 */
  color: var(--page-news-btn-text-yellow); /* #FFFF00 */
  border: 2px solid var(--page-news-btn-register-bg);
}

.page-news__btn-primary:hover {
  background-color: darken(var(--page-news-btn-register-bg), 10%);
  border-color: darken(var(--page-news-btn-register-bg), 10%);
}

.page-news__btn-secondary {
  background-color: transparent;
  color: var(--page-news-text-light);
  border: 2px solid var(--page-news-text-light);
}

.page-news__btn-secondary:hover {
  background-color: var(--page-news-text-light);
  color: var(--page-news-primary-color);
}

/* Section Titles and Descriptions */
.page-news__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--page-news-text-light);
}

.page-news__section-description {
  font-size: 1.1rem;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: var(--page-news-text-light);
}

/* Articles Grid */
.page-news__articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-news__article-card {
  background-color: rgba(255, 255, 255, 0.1); /* Nền thẻ tối nhẹ */
  border-radius: 8px;
  overflow: hidden;
  text-align: left;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--page-news-text-light); /* Đảm bảo text sáng trên nền thẻ */
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.page-news__article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-news__article-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.page-news__article-image {
  width: 100%;
  height: 220px; /* Chiều cao cố định cho ảnh thẻ */
  object-fit: cover;
  display: block;
}

.page-news__article-content {
  padding: 20px;
}

.page-news__article-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--page-news-text-yellow); /* Tiêu đề nổi bật */
}

.page-news__article-meta {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 15px;
}

.page-news__article-excerpt {
  font-size: 1rem;
  color: var(--page-news-text-light);
}

.page-news__view-all-button-wrapper {
  margin-top: 30px;
}

/* FAQ Section */
.page-news__faq-section {
  background-color: var(--page-news-bg-dark);
  color: var(--page-news-text-light);
}

.page-news__faq-list {
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
}

.page-news__faq-item {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--page-news-text-light);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.page-news__faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.15rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--page-news-text-yellow); /* Tiêu đề FAQ nổi bật */
  transition: background-color 0.3s ease;
}

.page-news__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-news__faq-item summary:hover {
  background-color: rgba(255, 255, 255, 0.15);
}

.page-news__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  transition: transform 0.3s ease;
}

.page-news__faq-item[open] .page-news__faq-toggle {
  transform: rotate(45deg);
}

.page-news__faq-answer {
  padding: 0 20px 20px;
  font-size: 1rem;
  color: var(--page-news-text-light);
}

/* CTA Section */
.page-news__cta-section {
  padding: 80px 20px;
  background-color: var(--page-news-primary-color);
  color: var(--page-news-text-light);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-news__articles-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-news {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-news__hero-section,
  .page-news__section {
    padding: 40px 15px;
  }

  .page-news__hero-image-wrapper {
    margin-bottom: 20px;
  }

  .page-news__main-title {
    font-size: 2.2rem;
  }

  .page-news__description {
    font-size: 1rem;
  }

  .page-news__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-news__btn-primary,
  .page-news__btn-secondary {
    width: 100% !important;
    padding: 12px 20px;
    font-size: 1rem;
  }

  .page-news__section-title {
    font-size: 2rem;
  }

  .page-news__section-description {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }

  .page-news__articles-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-news__article-image {
    height: 180px;
  }

  .page-news__article-title {
    font-size: 1.15rem;
  }

  .page-news__article-excerpt {
    font-size: 0.9rem;
  }

  .page-news__faq-item summary {
    font-size: 1rem;
    padding: 15px;
  }

  .page-news__faq-answer {
    padding: 0 15px 15px;
  }

  /* 强制图片响应式 */
  .page-news img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-news__section,
  .page-news__card,
  .page-news__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }

  .page-news__hero-section {
    padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
  }

  /* 按钮容器移动端适配 */
  .page-news__cta-buttons,
  .page-news__button-group,
  .page-news__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
    flex-wrap: wrap !important;
    gap: 10px;
  }
}

@media (max-width: 480px) {
  .page-news__main-title {
    font-size: 1.8rem;
  }

  .page-news__section-title {
    font-size: 1.6rem;
  }

  .page-news__article-title {
    font-size: 1.05rem;
  }
}