/* style/blog.css */
/* body đã padding-top: var(--header-offset)；trang này không được viết lại biến đó */

:root {
  --page-blog-primary-color: #11A84E;
  --page-blog-secondary-color: #22C768;
  --page-blog-card-bg: #11271B;
  --page-blog-background: #08160F;
  --page-blog-text-main: #F2FFF6;
  --page-blog-text-secondary: #A7D9B8;
  --page-blog-border-color: #2E7A4E;
  --page-blog-glow-color: #57E38D;
  --page-blog-gold-color: #F2C14E;
  --page-blog-divider-color: #1E3A2A;
  --page-blog-deep-green: #0A4B2C;
}

.page-blog {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--page-blog-text-main); /* Mặc định cho nền tối */
  background-color: var(--page-blog-background);
}

.page-blog__dark-section {
  background-color: var(--page-blog-background);
  color: var(--page-blog-text-main);
}

.page-blog__light-bg {
  background-color: #ffffff;
  color: #333333;
}

.page-blog__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Chỉ 10px top padding, body đã xử lý header offset */
  text-align: center;
  overflow: hidden;
}

.page-blog__hero-image-wrapper {
  width: 100%;
  max-height: 675px;
  overflow: hidden;
  position: relative;
  z-index: 0;
}

.page-blog__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7); /* Làm tối ảnh nền để chữ dễ đọc */
}

.page-blog__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin-top: -300px; /* Đẩy nội dung lên trên ảnh */
  padding: 20px;
  background: linear-gradient(0deg, var(--page-blog-background) 0%, rgba(8, 22, 15, 0.7) 100%);
  border-radius: 8px;
}

.page-blog__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: bold;
  color: var(--page-blog-text-main);
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-blog__hero-description {
  font-size: 1.2rem;
  color: var(--page-blog-text-secondary);
  margin-bottom: 30px;
}

.page-blog__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.page-blog__cta-buttons--center {
  justify-content: center;
  margin-top: 30px;
}

.page-blog__btn-primary,
.page-blog__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

.page-blog__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-blog__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(87, 227, 141, 0.4);
}

.page-blog__btn-secondary {
  background: transparent;
  color: var(--page-blog-glow-color);
  border: 2px solid var(--page-blog-glow-color);
}

.page-blog__btn-secondary:hover {
  background: var(--page-blog-glow-color);
  color: var(--page-blog-background);
  transform: translateY(-3px);
}

.page-blog__content-area {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  background-color: #ffffff;
  color: #333333;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.05);
  margin-top: 40px;
}

.page-blog__section {
  padding: 40px 0;
  border-bottom: 1px solid var(--page-blog-divider-color);
}

.page-blog__section:last-of-type {
  border-bottom: none;
}

.page-blog__section-title {
  font-size: 2.5rem;
  color: var(--page-blog-primary-color);
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-blog__section-description {
  font-size: 1.1rem;
  color: #555555;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-blog__table-of-contents {
  background-color: #f9f9f9;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 40px;
}

.page-blog__table-of-contents ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.page-blog__table-of-contents li a {
  text-decoration: none;
  color: var(--page-blog-primary-color);
  font-weight: bold;
  padding: 8px 15px;
  border-radius: 20px;
  background-color: #e6f7ed;
  transition: background-color 0.3s ease;
}

.page-blog__table-of-contents li a:hover {
  background-color: var(--page-blog-primary-color);
  color: #ffffff;
}

.page-blog__latest-posts {
  padding-top: 20px;
}

.page-blog__post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.page-blog__post-card {
  background-color: var(--page-blog-card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0,0,0,0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--page-blog-text-main);
}

.page-blog__post-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.25);
}

.page-blog__post-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

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

.page-blog__post-date {
  font-size: 0.9rem;
  color: var(--page-blog-text-secondary);
  margin-bottom: 10px;
  display: block;
}

.page-blog__post-title {
  font-size: 1.4rem;
  font-weight: bold;
  margin-bottom: 10px;
}

.page-blog__post-title a {
  color: var(--page-blog-text-main);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-blog__post-title a:hover {
  color: var(--page-blog-glow-color);
}

.page-blog__post-excerpt {
  font-size: 1rem;
  color: var(--page-blog-text-secondary);
  margin-bottom: 20px;
}

.page-blog__read-more-btn {
  display: inline-block;
  background-color: var(--page-blog-deep-green);
  color: #ffffff;
  padding: 8px 15px;
  border-radius: 25px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.page-blog__read-more-btn:hover {
  background-color: var(--page-blog-primary-color);
}

.page-blog__view-all-posts {
  text-align: center;
  margin-top: 40px;
}

.page-blog__sub-title {
  font-size: 2rem;
  color: var(--page-blog-primary-color);
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-blog__guide-list,
.page-blog__troubleshoot-list,
.page-blog__mobile-tips-list,
.page-blog__promo-list,
.page-blog__promo-guide-list {
  list-style-type: decimal;
  margin-left: 20px;
  margin-bottom: 20px;
  color: #333333;
}

.page-blog__troubleshoot-list,
.page-blog__mobile-tips-list,
.page-blog__promo-list {
  list-style-type: disc;
}

.page-blog__guide-list li,
.page-blog__troubleshoot-list li,
.page-blog__mobile-tips-list li,
.page-blog__promo-list li,
.page-blog__promo-guide-list li {
  margin-bottom: 10px;
  font-size: 1.05rem;
  color: #444444;
}

.page-blog__image-with-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 30px 0;
  text-align: center;
}

.page-blog__content-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  margin-bottom: 15px;
  display: block;
}

.page-blog__image-wrapper {
  text-align: center;
  margin: 30px 0;
}

.page-blog__image-wrapper .page-blog__content-image {
  max-width: 800px;
}

.page-blog__faq-list {
  margin-top: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog__faq-item {
  background-color: var(--page-blog-card-bg);
  border: 1px solid var(--page-blog-border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--page-blog-text-main);
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.2rem;
  font-weight: bold;
  cursor: pointer;
  background-color: var(--page-blog-deep-green);
  color: var(--page-blog-text-main);
  transition: background-color 0.3s ease;
  list-style: none; /* For details summary */
}

.page-blog__faq-question::-webkit-details-marker {
  display: none;
}

.page-blog__faq-item[open] .page-blog__faq-question {
  background-color: var(--page-blog-primary-color);
}

.page-blog__faq-qtext {
  flex-grow: 1;
}

.page-blog__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--page-blog-glow-color);
}

.page-blog__faq-item[open] .page-blog__faq-toggle {
  color: #ffffff;
}

.page-blog__faq-answer {
  padding: 15px 25px;
  font-size: 1rem;
  color: var(--page-blog-text-secondary);
  background-color: var(--page-blog-card-bg);
  border-top: 1px solid var(--page-blog-border-color);
}

.page-blog__faq-answer p {
  margin: 0;
  color: var(--page-blog-text-secondary);
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .page-blog__hero-content {
    margin-top: -200px;
  }
}

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

  .page-blog__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important;
  }

  .page-blog__hero-content {
    margin-top: -150px; /* Điều chỉnh vị trí nội dung trên di động */
    padding: 15px;
  }

  .page-blog__main-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }

  .page-blog__hero-description {
    font-size: 1rem;
  }

  .page-blog__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .page-blog__btn-primary,
  .page-blog__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-blog__content-area,
  .page-blog__section {
    padding: 20px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-blog__table-of-contents ul {
    flex-direction: column;
    align-items: center;
  }

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

  .page-blog__post-grid {
    grid-template-columns: 1fr;
  }

  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-blog__image-with-text,
  .page-blog__image-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-blog__sub-title {
    font-size: 1.5rem;
  }

  .page-blog__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }

  .page-blog__faq-answer {
    padding: 10px 20px;
  }
  
  .page-blog__faq-toggle {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .page-blog__hero-content {
    margin-top: -100px; /* Điều chỉnh thêm cho màn hình nhỏ hơn */
  }
  .page-blog__main-title {
    font-size: clamp(1.8rem, 9vw, 2rem);
  }
}