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

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

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

.page-blog__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles header offset */
  background-color: #f8f8f8;
  overflow: hidden;
}

.page-blog__hero-image-wrapper {
  width: 100%;
  max-height: 500px;
  overflow: hidden;
  margin-bottom: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.page-blog__hero-content {
  max-width: 800px;
  z-index: 1;
}

.page-blog__main-title {
  color: #26A9E0;
  font-size: clamp(2.2rem, 4vw, 3rem);
  font-weight: bold;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-blog__description {
  font-size: 1.15rem;
  margin-bottom: 30px;
  color: #555555;
}

.page-blog__section-title {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  color: #26A9E0;
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.page-blog__section-title--white {
  color: #FFFFFF;
}

.page-blog__section-description {
  font-size: 1.05rem;
  text-align: center;
  margin-bottom: 40px;
  color: #666666;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog__section-description--white {
  color: #f0f0f0;
}

.page-blog__btn-primary,
.page-blog__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  text-align: center;
}

.page-blog__btn-primary {
  background-color: #26A9E0;
  color: #FFFFFF;
  border: 2px solid #26A9E0;
}

.page-blog__btn-primary:hover {
  background-color: #1a7fb3;
  border-color: #1a7fb3;
}

.page-blog__btn-primary--orange {
  background-color: #EA7C07;
  border-color: #EA7C07;
}

.page-blog__btn-primary--orange:hover {
  background-color: #c96706;
  border-color: #c96706;
}

.page-blog__btn-secondary {
  background-color: #FFFFFF;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-blog__btn-secondary:hover {
  background-color: #e0f2f7;
  color: #1a7fb3;
}

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

.page-blog__btn-secondary--white:hover {
  background-color: rgba(255, 255, 255, 0.2);
}

.page-blog__btn-text {
  color: #26A9E0;
  text-decoration: none;
  font-weight: bold;
}

.page-blog__btn-text:hover {
  text-decoration: underline;
}

.page-blog__featured-categories,
.page-blog__recent-posts,
.page-blog__faq-section {
  padding: 60px 0;
}

.page-blog__dark-bg {
  background-color: #26A9E0;
  color: #FFFFFF;
}

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

.page-blog__category-grid,
.page-blog__post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-blog__category-card,
.page-blog__post-card {
  background-color: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

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

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

.page-blog__category-card .page-blog__card-title a,
.page-blog__post-card .page-blog__post-title a {
  color: #26A9E0;
  text-decoration: none;
  font-weight: bold;
}

.page-blog__category-card .page-blog__card-title a:hover,
.page-blog__post-card .page-blog__post-title a:hover {
  text-decoration: underline;
}

.page-blog__card-title,
.page-blog__post-title {
  font-size: 1.3rem;
  margin: 15px 15px 10px 15px;
  line-height: 1.3;
}

.page-blog__card-text,
.page-blog__post-excerpt {
  font-size: 0.95rem;
  color: #555555;
  padding: 0 15px;
  flex-grow: 1;
  margin-bottom: 15px;
}

.page-blog__category-card .page-blog__btn-secondary {
  margin: 0 15px 15px 15px;
  align-self: flex-start;
}

.page-blog__post-content {
  padding: 0 15px 15px 15px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.page-blog__post-meta {
  font-size: 0.85rem;
  color: #888888;
  margin-bottom: 10px;
}

.page-blog__view-all-posts {
  text-align: center;
  margin-top: 50px;
}

.page-blog__why-follow {
  padding: 80px 0;
}

.page-blog__feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-blog__feature-item {
  text-align: center;
  background-color: rgba(255, 255, 255, 0.15);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-blog__feature-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  filter: brightness(0) invert(1); /* Ensure icons are white on dark background */
}

.page-blog__feature-title {
  font-size: 1.4rem;
  color: #FFFFFF;
  margin-bottom: 15px;
}

.page-blog__feature-text {
  color: #f0f0f0;
  font-size: 1rem;
}

.page-blog__cta-bottom {
  text-align: center;
  margin-top: 50px;
}

.page-blog__faq-list {
  margin-top: 40px;
}

.page-blog__faq-item {
  background-color: #f9f9f9;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15rem;
  font-weight: bold;
  color: #333333;
  cursor: pointer;
  background-color: #FFFFFF;
  border-bottom: 1px solid #e0e0e0;
  transition: background-color 0.3s ease;
}

.page-blog__faq-item[open] .page-blog__faq-question {
  background-color: #eaf7ff;
  color: #26A9E0;
}

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

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

.page-blog__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 15px;
  color: #26A9E0;
  transition: transform 0.3s ease;
}

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

.page-blog__faq-answer {
  padding: 15px 25px 20px 25px;
  font-size: 1rem;
  color: #555555;
}

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

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

.page-blog__cta-section {
  padding: 80px 0;
  text-align: center;
}

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

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

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

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

  .page-blog__section-title {
    font-size: 1.8rem;
  }

  .page-blog__section-description {
    font-size: 0.95rem;
  }

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

  .page-blog__category-card,
  .page-blog__post-card {
    margin-left: 15px;
    margin-right: 15px;
  }

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

  .page-blog__category-card .page-blog__btn-secondary,
  .page-blog__post-content .page-blog__btn-text {
    width: auto;
    max-width: 100%;
    margin-left: 15px;
    margin-right: 15px;
    padding: 10px 20px;
    white-space: normal;
    word-wrap: break-word;
  }

  .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__view-all-posts .page-blog__btn-primary {
    margin-left: 15px;
    margin-right: 15px;
  }

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

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

  .page-blog__faq-toggle {
    font-size: 1.5rem;
  }

  .page-blog__faq-answer {
    padding: 10px 20px 15px 20px;
  }

  /* Ensure all images are responsive */
  .page-blog img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-blog__section,
  .page-blog__card,
  .page-blog__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-blog__hero-image-wrapper {
    margin-left: 0;
    margin-right: 0;
    border-radius: 0;
  }

  .page-blog__cta-bottom .page-blog__btn-secondary--white {
    margin-left: 15px;
    margin-right: 15px;
  }

  .page-blog__cta-section .page-blog__btn-primary--orange {
    margin-left: 15px;
    margin-right: 15px;
  }

  /* Buttons within flex containers */
  .page-blog__hero-content .page-blog__btn-primary {
    margin: 0 auto;
  }
}

/* Ensure no filter is used on images */
.page-blog img {
  filter: none; /* Explicitly remove any filter */
}

.page-blog__feature-icon {
  filter: brightness(0) invert(1); /* Specific for icons on dark background to ensure white */
}