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

:root {
  --page-blog-primary-color: #11A84E;
  --page-blog-secondary-color: #22C768;
  --page-blog-btn-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --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: #333333; /* Body background is light #f5f5f5, so main text color must be dark */
  background-color: #f5f5f5; /* Match shared body background for consistency */
}

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

.page-blog__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 0 60px 0; /* Chỉ 10px top padding, tránh double header offset */
  background-color: var(--page-blog-background); /* Dark background for hero */
  color: var(--page-blog-text-main); /* Light text on dark background */
  overflow: hidden;
}

.page-blog__hero-image-wrapper {
  width: 100%;
  max-height: 600px; /* Giới hạn chiều cao của hình ảnh hero */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-blog__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7); /* Slightly darken image for text readability */
}

.page-blog__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -150px; /* Kéo nội dung lên trên hình ảnh một chút để tạo sự gắn kết */
}

.page-blog__main-title {
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: var(--page-blog-text-main);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  font-size: clamp(2.2em, 4vw, 3.5em); /* H1 size clamp */
}

.page-blog__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: var(--page-blog-text-secondary);
}

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

.page-blog__btn-primary,
.page-blog__btn-secondary {
  display: inline-block;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-blog__btn-primary {
  background: var(--page-blog-btn-gradient);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-blog__btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 0 15px var(--page-blog-glow-color);
}

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

.page-blog__btn-secondary:hover {
  background: var(--page-blog-primary-color);
  color: #ffffff;
}

.page-blog__section-title {
  font-size: 2.2em;
  font-weight: bold;
  text-align: center;
  margin-bottom: 40px;
  color: var(--page-blog-primary-color); /* Sử dụng màu chính */
}

.page-blog__latest-articles {
  padding: 60px 0;
  background-color: #f5f5f5; /* Light background for article section */
  color: #333333;
}

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

.page-blog__article-card {
  background-color: #ffffff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-blog__article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-blog__card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.page-blog__card-content {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-blog__card-date {
  font-size: 0.9em;
  color: #666666;
  margin-bottom: 10px;
}

.page-blog__card-title {
  font-size: 1.4em;
  font-weight: bold;
  margin-bottom: 15px;
  line-height: 1.3;
}

.page-blog__card-title a {
  color: #333333;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-blog__card-title a:hover {
  color: var(--page-blog-primary-color);
}

.page-blog__card-excerpt {
  font-size: 1em;
  color: #555555;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-blog__btn-read-more {
  display: inline-block;
  padding: 10px 20px;
  background: var(--page-blog-primary-color);
  color: #ffffff;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease;
  align-self: flex-start;
}

.page-blog__btn-read-more:hover {
  background: var(--page-blog-secondary-color);
}

.page-blog__view-all-button-wrapper {
  text-align: center;
  margin-top: 20px;
}

.page-blog__categories-section {
  padding: 60px 0;
  background-color: var(--page-blog-background); /* Dark background */
  color: var(--page-blog-text-main);
}

.page-blog__categories-section .page-blog__section-title {
  color: var(--page-blog-gold-color);
}

.page-blog__category-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
}

.page-blog__category-item a {
  display: block;
  padding: 10px 20px;
  background-color: var(--page-blog-card-bg);
  color: var(--page-blog-text-secondary);
  border: 1px solid var(--page-blog-border-color);
  border-radius: 25px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.page-blog__category-item a:hover {
  background-color: var(--page-blog-primary-color);
  color: #ffffff;
  border-color: var(--page-blog-primary-color);
}

.page-blog__about-blog {
  padding: 60px 0;
  background-color: #ffffff; /* Light background */
  color: #333333;
}

.page-blog__about-blog .page-blog__section-title {
  color: var(--page-blog-primary-color);
}

.page-blog__about-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: center;
}

.page-blog__about-content p {
  font-size: 1.1em;
  line-height: 1.7;
  max-width: 900px;
  text-align: justify;
}

.page-blog__about-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.page-blog__featured-promotion {
  padding: 60px 0;
  background-color: var(--page-blog-background); /* Dark background */
  color: var(--page-blog-text-main);
  text-align: center;
}

.page-blog__featured-promotion .page-blog__section-title {
  color: var(--page-blog-gold-color);
}

.page-blog__featured-promotion .page-blog__description {
  font-size: 1.1em;
  max-width: 800px;
  margin: 0 auto 30px auto;
  color: var(--page-blog-text-secondary);
}

.page-blog__promotion-image {
  width: 100%;
  max-width: 1000px;
  height: auto;
  margin-top: 40px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-blog__faq-section {
  padding: 60px 0;
  background-color: #f5f5f5; /* Light background */
  color: #333333;
}

.page-blog__faq-section .page-blog__section-title {
  color: var(--page-blog-primary-color);
}

.page-blog__faq-list {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.page-blog__faq-item {
  background-color: #ffffff;
  border: 1px solid var(--page-blog-border-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-weight: bold;
  font-size: 1.1em;
  color: #333333;
  cursor: pointer;
  background-color: #ffffff;
  transition: background-color 0.3s ease;
}

.page-blog__faq-question:hover {
  background-color: #f0f0f0;
}

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

.page-blog__faq-item[open] .page-blog__faq-toggle {
  transform: rotate(45deg); /* Xoay dấu + thành X */
}

.page-blog__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  color: #555555;
}

.page-blog__faq-answer p {
  margin: 0;
}

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

.page-blog__faq-item summary {
  list-style: none;
}

.page-blog__cta-final {
  padding: 60px 0;
  background-color: var(--page-blog-background); /* Dark background */
  color: var(--page-blog-text-main);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-blog__cta-final .page-blog__section-title {
  color: var(--page-blog-gold-color);
}

.page-blog__cta-final .page-blog__description {
  font-size: 1.1em;
  max-width: 800px;
  margin: 0 auto 30px auto;
  color: var(--page-blog-text-secondary);
}

.page-blog__cta-final .page-blog__cta-buttons {
  margin-top: 30px;
}

.page-blog__cta-image {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1200px;
  height: auto;
  z-index: 0;
  opacity: 0.3;
  filter: grayscale(100%);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-blog__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }
  .page-blog__hero-content {
    margin-top: -100px;
  }
  .page-blog__card-image {
    height: 200px;
  }
}

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

  .page-blog__hero-section {
    padding-bottom: 40px;
  }

  .page-blog__hero-content {
    padding: 30px 15px;
    margin-top: -80px;
  }

  .page-blog__main-title {
    font-size: clamp(1.8em, 6vw, 2.5em);
  }

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

  .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;
    padding-right: 15px;
  }

  .page-blog__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

  .page-blog__latest-articles,
  .page-blog__categories-section,
  .page-blog__about-blog,
  .page-blog__featured-promotion,
  .page-blog__faq-section,
  .page-blog__cta-final {
    padding: 40px 0;
  }

  .page-blog__container {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-blog__articles-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

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

  .page-blog__card-title {
    font-size: 1.2em;
  }

  .page-blog__category-list {
    gap: 10px;
  }

  .page-blog__category-item a {
    padding: 8px 15px;
    font-size: 0.9em;
  }

  .page-blog__about-content p {
    font-size: 1em;
  }

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

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

  /* Force responsive for all images */
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  /* Ensure all image/video/button containers are responsive */
  .page-blog__hero-section,
  .page-blog__latest-articles,
  .page-blog__categories-section,
  .page-blog__about-blog,
  .page-blog__featured-promotion,
  .page-blog__faq-section,
  .page-blog__cta-final,
  .page-blog__article-card,
  .page-blog__hero-image-wrapper,
  .page-blog__cta-buttons,
  .page-blog__view-all-button-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important; /* Prevent content overflow */
  }

  .page-blog__hero-content,
  .page-blog__cta-final .page-blog__description,
  .page-blog__featured-promotion .page-blog__description {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-blog__hero-image-wrapper {
    padding: 0;
  }
}