.page-blog {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #333333; /* Default text color for light background */
  background-color: #FFFFFF; /* Body background from shared.css */
}

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

.page-blog__hero-section {
  padding-top: 10px; /* Small top padding, body handles header offset */
  padding-bottom: 40px;
  text-align: center;
  background-color: #FFFFFF;
  color: #333333;
}

.page-blog__hero-image-wrapper {
  margin-bottom: 30px;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

.page-blog__main-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: #017439;
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-blog__description {
  font-size: 1.1rem;
  max-width: 800px;
  margin: 0 auto 30px auto;
  color: #555555;
}

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

.page-blog__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 30px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  max-width: 100%; /* Ensure button doesn't overflow */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-blog__btn-primary {
  background-color: #C30808; /* Custom color for Đăng Ký */
  color: #FFFF00; /* Custom font color for Đăng Ký */
  border: 2px solid #C30808;
}

.page-blog__btn-primary:hover {
  background-color: #a30606;
  border-color: #a30606;
}

.page-blog__btn-secondary {
  background-color: #017439;
  color: #FFFFFF;
  border: 2px solid #017439;
}

.page-blog__btn-secondary:hover {
  background-color: #005f2e;
  border-color: #005f2e;
}

.page-blog__article-list {
  padding: 60px 0;
  background-color: #017439; /* Dark background for this section */
  color: #FFFFFF;
}

.page-blog__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: #FFFFFF;
}

.page-blog__section-intro {
  font-size: 1.05rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px auto;
  color: #f0f0f0;
}

.page-blog__main-article {
  background-color: #FFFFFF;
  color: #333333;
  padding: 40px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin-bottom: 60px;
}

.page-blog__article-heading {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: #017439;
  margin-bottom: 20px;
  line-height: 1.3;
}

.page-blog__article-meta {
  font-size: 0.9rem;
  color: #777777;
  margin-bottom: 30px;
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

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

.page-blog__article-image {
  width: 100%;
  height: auto;
  max-width: 680px; /* Recommended size for blog content */
  display: block;
  margin: 0 auto;
  border-radius: 8px;
  object-fit: cover;
}

.page-blog__figcaption {
  font-size: 0.9rem;
  color: #777777;
  margin-top: 10px;
}

.page-blog p {
  margin-bottom: 1em;
  font-size: 1rem;
  line-height: 1.7;
  color: #333333;
}

.page-blog strong {
  font-weight: 700;
  color: #017439;
}

.page-blog__sub-heading {
  font-size: clamp(1.3rem, 2.5vw, 1.8rem);
  font-weight: 600;
  color: #017439;
  margin-top: 30px;
  margin-bottom: 15px;
  line-height: 1.4;
}

.page-blog__list {
  list-style: disc;
  margin-left: 20px;
  margin-bottom: 1em;
  color: #333333;
}

.page-blog__list li {
  margin-bottom: 0.5em;
  font-size: 1rem;
  line-height: 1.6;
}

.page-blog__cta-buttons--bottom {
  margin-top: 40px;
}

.page-blog__related-posts {
  padding: 60px 0;
  background-color: #FFFFFF;
  color: #333333;
}

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

.page-blog__post-card {
  background-color: #f8f8f8;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-blog__post-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.page-blog__card-image {
  width: 100%;
  height: 250px; /* Fixed height for consistency */
  object-fit: cover;
  display: block;
}

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

.page-blog__card-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
  line-height: 1.4;
}

.page-blog__card-title a {
  color: #017439;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-blog__card-title a:hover {
  color: #005f2e;
}

.page-blog__card-excerpt {
  font-size: 0.95rem;
  color: #555555;
  margin-bottom: 15px;
  flex-grow: 1;
}

.page-blog__read-more {
  display: inline-block;
  color: #C30808;
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
  margin-top: auto; /* Push to bottom */
}

.page-blog__read-more:hover {
  color: #a30606;
}

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

.page-blog__faq-section {
  padding: 60px 0;
  background-color: #017439; /* Dark background for FAQ */
  color: #FFFFFF;
}

.page-blog__faq-list {
  max-width: 900px;
  margin: 40px auto 0 auto;
}

.page-blog__faq-item {
  background-color: #FFFFFF;
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  color: #333333;
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15rem;
  font-weight: 600;
  color: #017439;
  cursor: pointer;
  list-style: none; /* For details/summary */
}

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

.page-blog__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  color: #C30808;
  transition: transform 0.3s ease;
}

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

.page-blog__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1rem;
  line-height: 1.7;
  color: #555555;
}

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

/* --- Mobile Responsive Styles (max-width: 768px) --- */
@media (max-width: 768px) {
  .page-blog__container {
    padding: 0 15px;
  }

  /* 1. Top section title + CTA */
  .page-blog__hero-section {
    padding-top: 10px !important; /* Small top padding, body handles header offset */
    padding-bottom: 30px;
  }

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

  .page-blog__description {
    font-size: 1rem;
    margin-bottom: 25px;
  }

  .page-blog__cta-buttons {
    flex-direction: column; /* Stack buttons vertically */
    gap: 10px;
    padding: 0 15px;
  }

  .page-blog__btn {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 15px;
    font-size: 0.95rem;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* 2. Single column content container */
  .page-blog__article-list,
  .page-blog__related-posts,
  .page-blog__faq-section {
    padding: 40px 0;
  }

  .page-blog__section-title {
    font-size: 1.8rem;
    margin-bottom: 15px;
  }

  .page-blog__section-intro {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }

  .page-blog__main-article {
    padding: 25px;
    margin-bottom: 40px;
  }

  .page-blog__article-heading {
    font-size: 1.5rem;
  }

  .page-blog__article-meta {
    flex-direction: column;
    gap: 10px;
    margin-bottom: 20px;
  }

  .page-blog p,
  .page-blog li {
    font-size: 0.95rem;
  }

  .page-blog__sub-heading {
    font-size: 1.3rem;
    margin-top: 25px;
    margin-bottom: 10px;
  }

  /* 3. General images and figure */
  .page-blog__hero-image,
  .page-blog__article-image,
  .page-blog__card-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }

  .page-blog__figure {
    margin: 20px 0;
  }

  .page-blog__figcaption {
    font-size: 0.85rem;
  }

  /* 4. Buttons and button containers (already covered in top-section CTA) */
  .page-blog__cta-buttons--bottom {
    margin-top: 30px;
    padding: 0 15px;
  }

  .page-blog__post-grid {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
  }

  .page-blog__post-card {
    margin: 0 15px;
  }

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

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

  .page-blog__view-all {
    margin-top: 30px;
  }

  /* 5. FAQ section */
  .page-blog__faq-list {
    margin-top: 30px;
    padding: 0 15px;
  }

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

  .page-blog__faq-answer {
    padding: 0 20px 15px 20px;
    font-size: 0.95rem;
  }

  .page-blog__faq-toggle {
    font-size: 1.2rem;
  }
}