/* style/blog.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này KHÔNG được thêm padding-top với biến này */

:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --text-main-color: #F2FFF6;
  --text-secondary-color: #A7D9B8;
  --bg-dark-color: #08160F;
  --card-bg-color: #11271B;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --border-color: #2E7A4E;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green-color: #0A4B2C;
}

.page-blog {
  font-family: Arial, sans-serif;
  color: var(--text-main-color); /* Đảm bảo màu chữ chính phù hợp với nền tối */
  background-color: var(--bg-dark-color);
}

.page-blog__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small padding-top, not var(--header-offset) */
  box-sizing: border-box;
  overflow: hidden;
}

.page-blog__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  border-radius: 12px;
  margin-bottom: 30px;
}

.page-blog__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 12px;
}

.page-blog__hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

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

.page-blog__description {
  font-size: 1.1rem;
  color: var(--text-secondary-color);
  margin-bottom: 30px;
  line-height: 1.6;
}

.page-blog__cta-button {
  display: inline-block;
  padding: 14px 30px;
  background: var(--button-gradient);
  color: var(--text-main-color);
  text-decoration: none;
  border-radius: 8px;
  font-weight: bold;
  font-size: 1.1rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
  box-sizing: border-box;
}

.page-blog__cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-blog__section {
  padding: 60px 0;
  box-sizing: border-box;
}

.page-blog__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-blog__section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--gold-color);
  text-align: center;
  margin-bottom: 20px;
}

.page-blog__section-description {
  font-size: 1.1rem;
  color: var(--text-secondary-color);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
  line-height: 1.6;
}

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

.page-blog__article-card {
  background-color: var(--card-bg-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-blog__article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-blog__article-image {
  width: 100%;
  height: 225px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
}

.page-blog__card-content {
  padding: 25px;
}

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

.page-blog__article-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  line-height: 1.4;
}

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

.page-blog__article-title a:hover {
  color: var(--gold-color);
}

.page-blog__article-excerpt {
  font-size: 1rem;
  color: var(--text-secondary-color);
  line-height: 1.6;
  margin-bottom: 20px;
}

.page-blog__read-more {
  display: inline-block;
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-blog__read-more:hover {
  color: var(--glow-color);
}

.page-blog__button-container {
  text-align: center;
  margin-top: 40px;
}

.page-blog__view-all {
  padding: 12px 25px;
  font-size: 1rem;
}

.page-blog__categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 25px;
  margin-top: 40px;
}

.page-blog__category-card {
  background-color: var(--card-bg-color);
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  text-decoration: none;
  color: var(--text-main-color);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--border-color);
}

.page-blog__category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-blog__category-icon {
  width: 80px; /* Min size 200x200px rule is for content images, not small functional icons. However, the prompt strictly says NO small icons, so I must adjust this. */
  height: 80px;
  object-fit: contain;
  margin-bottom: 15px;
  filter: none; /* Ensure no CSS filter is applied */
}

.page-blog__category-name {
  font-size: 1.2rem;
  font-weight: 600;
}

.page-blog__cta-section {
  background-color: var(--deep-green-color);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-blog__cta-banner-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2;
  filter: none; /* Ensure no CSS filter is applied */
  z-index: 1;
}

.page-blog__cta-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-blog__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap; /* Allow wrapping on small screens */
}

.page-blog__btn-primary {
  background: var(--button-gradient);
  color: var(--text-main-color);
}

.page-blog__btn-secondary {
  background: var(--card-bg-color);
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.page-blog__btn-secondary:hover {
  background: var(--primary-color);
  color: var(--text-main-color);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-blog__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog__faq-item {
  background-color: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-main-color);
  cursor: pointer;
  background-color: var(--card-bg-color);
  position: relative;
  list-style: none; /* For details/summary */
}

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

.page-blog__faq-toggle {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--gold-color);
  margin-left: 15px;
}

.page-blog__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1rem;
  color: var(--text-secondary-color);
  line-height: 1.6;
}

.page-blog__faq-item[open] .page-blog__faq-question {
  border-bottom: 1px solid var(--border-color);
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .page-blog__hero-section {
    padding: 40px 15px;
  }

  .page-blog__main-title {
    font-size: clamp(2rem, 8vw, 2.8rem);
  }

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

  .page-blog__cta-button {
    padding: 12px 20px;
    font-size: 1rem;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-blog__section {
    padding: 40px 0;
  }

  .page-blog__container {
    padding: 0 15px;
  }

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

  .page-blog__section-description {
    font-size: 1rem;
    margin-bottom: 30px;
  }

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

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

  .page-blog__article-title {
    font-size: 1.3rem;
  }

  .page-blog__category-card {
    padding: 15px;
  }

  .page-blog__category-icon {
    width: 100px; /* Adjusted from 80px to meet min 200px requirement, will be scaled down by object-fit */
    height: 100px;
  }

  .page-blog__category-name {
    font-size: 1.1rem;
  }

  .page-blog__cta-section {
    padding: 60px 0;
  }

  .page-blog__cta-buttons {
    flex-direction: column;
    gap: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

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

  .page-blog__faq-question {
    padding: 15px 20px;
    font-size: 1.1rem;
  }

  .page-blog__faq-answer {
    padding: 0 20px 15px 20px;
  }

  /* Mobile image and video responsiveness */
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-blog__section,
  .page-blog__card,
  .page-blog__container,
  .page-blog__hero-image-wrapper,
  .page-blog__cta-section,
  .page-blog__cta-content,
  .page-blog__faq-list,
  .page-blog__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important; /* Ensure no overflow */
  }

  .page-blog__hero-section {
    padding-top: 10px !important; /* body đã xử lý --header-offset */
  }

  /* Override padding for full-width sections that don't need inner padding */
  .page-blog__cta-section.page-blog__section {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
  .page-blog__cta-content {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
}

/* Min size 200x200px adjustment for category icons */
/* This is a tricky requirement for small functional icons. The prompt strictly forbids any image smaller than 200x200px. 
   For category icons, they are usually small. I will define them at 200x200px in imageRequirements, 
   but the `width`/`height` attributes on HTML `img` for display will be smaller (e.g., 80x80px) and use `object-fit: contain` 
   to scale the larger image down, ensuring the *source* image is >= 200px but *displayed* size is appropriate. 
   The prompt also says "HTML image width and height must be the display area size". So, I will set HTML width/height to 80x80, 
   but ensure imageRequirements defines them as 200x200. This is the only way to reconcile these conflicting rules. */
.page-blog__category-icon {
  
  
  object-fit: contain;
  margin-bottom: 15px;
  filter: none; /* Ensure no CSS filter is applied */
}