/* style/blog.css */
:root {
  --fi79-primary: #11A84E;
  --fi79-secondary: #22C768;
  --fi79-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --fi79-card-bg: #11271B;
  --fi79-background: #08160F;
  --fi79-text-main: #F2FFF6;
  --fi79-text-secondary: #A7D9B8;
  --fi79-border: #2E7A4E;
  --fi79-glow: #57E38D;
  --fi79-gold: #F2C14E;
  --fi79-divider: #1E3A2A;
  --fi79-deep-green: #0A4B2C;
}

/* body đã padding-top: var(--header-offset) từ shared.css, không lặp lại ở đây */
.page-blog {
  font-family: 'Arial', sans-serif;
  color: var(--fi79-text-main); /* Deep Green background, so light text */
  background-color: var(--fi79-background);
}

.page-blog__hero-section {
  position: relative;
  width: 100%;
  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 */
  overflow: hidden;
}

.page-blog__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-blog__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-blog__hero-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  margin-top: 40px;
  padding: 20px;
  background: rgba(17, 39, 27, 0.8); /* Card BG with some opacity */
  border-radius: 12px;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}

.page-blog__main-title {
  font-size: clamp(2em, 4vw, 3.5em);
  font-weight: 700;
  color: var(--fi79-text-main);
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.page-blog__hero-description {
  font-size: 1.1em;
  color: var(--fi79-text-secondary);
  margin-bottom: 30px;
  line-height: 1.6;
}

.page-blog__btn-primary {
  display: inline-block;
  padding: 14px 30px;
  background: var(--fi79-button-gradient);
  color: var(--fi79-text-main);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 700;
  transition: all 0.3s ease;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
}

.page-blog__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

.page-blog__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

.page-blog__section-title {
  font-size: clamp(1.8em, 3vw, 2.8em);
  color: var(--fi79-gold);
  text-align: center;
  margin-bottom: 15px;
  font-weight: 700;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

.page-blog__section-subtitle {
  font-size: 1.1em;
  color: var(--fi79-text-secondary);
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.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: var(--fi79-card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  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 10px 30px rgba(0, 0, 0, 0.4);
}

.page-blog__card-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  height: 100%;
}

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

.page-blog__article-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-blog__article-title {
  font-size: 1.4em;
  color: var(--fi79-text-main);
  margin-bottom: 10px;
  line-height: 1.4;
  font-weight: 600;
}

.page-blog__article-meta {
  font-size: 0.9em;
  color: var(--fi79-text-secondary);
  margin-bottom: 15px;
}

.page-blog__article-excerpt {
  font-size: 1em;
  color: var(--fi79-text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
}

.page-blog__read-more {
  display: inline-flex;
  align-items: center;
  color: var(--fi79-secondary);
  font-weight: 600;
  transition: color 0.3s ease;
}

.page-blog__read-more:hover {
  color: var(--fi79-glow);
}

.page-blog__arrow {
  margin-left: 8px;
  transition: transform 0.3s ease;
}

.page-blog__read-more:hover .page-blog__arrow {
  transform: translateX(5px);
}

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

.page-blog__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  background: transparent;
  color: var(--fi79-secondary);
  border: 2px solid var(--fi79-secondary);
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

.page-blog__btn-secondary:hover {
  background: var(--fi79-secondary);
  color: var(--fi79-background);
  box-shadow: 0 4px 15px rgba(34, 199, 104, 0.4);
}

.page-blog__categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
}

.page-blog__category-card {
  background: var(--fi79-deep-green);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  text-decoration: none;
  color: var(--fi79-text-main);
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, background 0.3s ease;
}

.page-blog__category-card:hover {
  transform: translateY(-5px);
  background: var(--fi79-primary);
}

.page-blog__category-title {
  font-size: 1.5em;
  color: var(--fi79-gold);
  margin-bottom: 10px;
  font-weight: 600;
}

.page-blog__category-description {
  font-size: 1em;
  color: var(--fi79-text-secondary);
}

.page-blog__about-blog-section {
  background-color: var(--fi79-card-bg);
  padding: 60px 0;
}

.page-blog__about-blog-section .page-blog__container {
  display: flex;
  align-items: center;
  gap: 40px;
}

.page-blog__about-content {
  flex: 1;
}

.page-blog__about-content .page-blog__section-title {
  text-align: left;
  margin-bottom: 20px;
}

.page-blog__about-content p {
  font-size: 1.05em;
  line-height: 1.7;
  margin-bottom: 25px;
  color: var(--fi79-text-secondary);
}

.page-blog__about-image-wrapper {
  flex: 1;
  text-align: center;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-blog__about-image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-blog__cta-section {
  background: var(--fi79-primary);
  padding: 80px 20px;
  text-align: center;
  border-radius: 12px;
  margin: 40px auto;
  max-width: 1200px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-blog__cta-title {
  font-size: clamp(1.8em, 3.5vw, 3em);
  color: var(--fi79-text-main);
  margin-bottom: 20px;
  font-weight: 700;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.page-blog__cta-description {
  font-size: 1.1em;
  color: var(--fi79-text-main);
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.page-blog__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
}

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

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

.page-blog__faq-item {
  background: var(--fi79-card-bg);
  border: 1px solid var(--fi79-border);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.page-blog__faq-item[open] {
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  color: var(--fi79-text-main);
  font-weight: 600;
  cursor: pointer;
  background-color: var(--fi79-deep-green);
  border-bottom: 1px solid transparent; /* default */
}

.page-blog__faq-item[open] .page-blog__faq-question {
  border-bottom: 1px solid var(--fi79-border);
}

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

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

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

.page-blog__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: var(--fi79-gold);
}

.page-blog__faq-answer {
  padding: 20px 25px;
  font-size: 1em;
  color: var(--fi79-text-secondary);
  line-height: 1.6;
  background-color: var(--fi79-card-bg);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-blog__hero-content {
    padding: 15px;
  }

  .page-blog__main-title {
    font-size: clamp(1.8em, 5vw, 3em);
  }

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

  .page-blog__articles-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .page-blog__category-card {
    padding: 25px;
  }

  .page-blog__about-blog-section .page-blog__container {
    flex-direction: column;
    text-align: center;
  }

  .page-blog__about-content .page-blog__section-title {
    text-align: center;
  }

  .page-blog__about-image {
    margin-top: 30px;
  }
}

@media (max-width: 768px) {
  .page-blog__container,
  .page-blog__cta-section {
    padding-left: 15px !important;
    padding-right: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-blog__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important; /* body đã xử lý --header-offset */
  }

  .page-blog__hero-image-wrapper,
  .page-blog__about-image-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-blog__hero-image,
  .page-blog__article-image,
  .page-blog__about-image,
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-blog__articles-grid,
  .page-blog__categories-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .page-blog__category-title {
    font-size: 1.3em;
  }

  .page-blog__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-blog__btn-primary,
  .page-blog__btn-secondary,
  .page-blog a[class*="button"],
  .page-blog a[class*="btn"] {
    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 {
    font-size: 1.1em;
    padding: 15px 20px;
  }

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

  /* Ensure content images are not smaller than 200px if they are meant to be content */
  .page-blog__content-area img {
    min-width: 200px !important;
    min-height: 200px !important;
  }
}

@media (max-width: 480px) {
  .page-blog__main-title {
    font-size: clamp(1.5em, 6vw, 2.5em);
  }

  .page-blog__section-title {
    font-size: clamp(1.5em, 5vw, 2.2em);
  }

  .page-blog__hero-content {
    margin-top: 20px;
    padding: 10px;
  }
}