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

:root {
  --page-blog-primary-color: #11A84E;
  --page-blog-secondary-color: #22C768;
  --page-blog-button-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: #2E7A4E;
  --page-blog-glow: #57E38D;
  --page-blog-gold: #F2C14E;
  --page-blog-divider: #1E3A2A;
  --page-blog-deep-green: #0A4B2C;
}

.page-blog {
  background-color: var(--page-blog-background);
  color: var(--page-blog-text-main);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-blog__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 0 40px 0; /* padding-top 10px, không dùng --header-offset */
  background-color: var(--page-blog-deep-green);
  overflow: hidden;
}

.page-blog__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 600px;
}

.page-blog__hero-content {
  max-width: 900px;
  margin-top: 40px;
  padding: 0 20px;
  text-align: center;
  z-index: 1;
}

.page-blog__main-title {
  color: var(--page-blog-gold);
  font-size: clamp(2em, 4vw, 3.5em);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
}

.page-blog__subtitle {
  color: var(--page-blog-text-secondary);
  font-size: clamp(1em, 2vw, 1.2em);
  margin-bottom: 30px;
}

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

.page-blog__btn-primary,
.page-blog__btn-secondary {
  padding: 12px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.page-blog__btn-primary {
  background: var(--page-blog-button-gradient);
  color: var(--page-blog-text-main);
  border: 2px solid var(--page-blog-glow);
  box-shadow: 0 0 15px var(--page-blog-glow);
}

.page-blog__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 25px var(--page-blog-glow);
}

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

.page-blog__btn-secondary:hover {
  background: var(--page-blog-glow);
  color: var(--page-blog-background);
  transform: translateY(-3px);
}

.page-blog__content-area {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
}

.page-blog__section-title {
  color: var(--page-blog-gold);
  font-size: clamp(1.8em, 3vw, 2.5em);
  font-weight: 700;
  margin-bottom: 30px;
  text-align: center;
  text-shadow: 0 0 8px rgba(242, 193, 78, 0.3);
}

.page-blog__sub-title {
  color: var(--page-blog-text-main);
  font-size: clamp(1.4em, 2.5vw, 1.8em);
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 20px;
}

.page-blog__text-block p,
.page-blog__text-block li {
  color: var(--page-blog-text-secondary);
  margin-bottom: 15px;
  font-size: 1.1em;
}

.page-blog__text-block a {
  color: var(--page-blog-glow);
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-blog__text-block a:hover {
  color: var(--page-blog-gold);
  text-decoration: underline;
}

.page-blog__list {
  list-style-type: disc;
  margin-left: 25px;
  padding-left: 0;
  margin-bottom: 20px;
}

.page-blog__list li {
  margin-bottom: 10px;
}

.page-blog__image-block {
  margin: 40px 0;
  text-align: center;
}

.page-blog__article-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  display: block;
  margin: 0 auto;
}

.page-blog__faq-section {
  max-width: 900px;
  margin: 60px auto;
  padding: 0 20px;
}

.page-blog__faq-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.page-blog__faq-item {
  background-color: var(--page-blog-card-bg);
  border: 1px solid var(--page-blog-border);
  border-radius: 10px;
  overflow: hidden;
  color: var(--page-blog-text-main);
}

.page-blog__faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: bold;
  font-size: 1.1em;
  color: var(--page-blog-gold);
  transition: background-color 0.3s ease;
}

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

.page-blog__faq-item summary:hover {
  background-color: var(--page-blog-deep-green);
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

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

.page-blog__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
}

.page-blog__faq-answer {
  padding: 0 20px 20px 20px;
  color: var(--page-blog-text-secondary);
  font-size: 1em;
}

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

.page-blog__related-articles {
  max-width: 1200px;
  margin: 60px auto;
  padding: 0 20px;
}

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

.page-blog__article-card {
  background-color: var(--page-blog-card-bg);
  border: 1px solid var(--page-blog-border);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-blog__article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.page-blog__card-content {
  padding: 20px;
}

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

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

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

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

.page-blog__card-description {
  font-size: 1em;
  color: var(--page-blog-text-secondary);
  margin-bottom: 20px;
}

.page-blog__card-link {
  display: inline-block;
  color: var(--page-blog-glow);
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-blog__card-link:hover {
  color: var(--page-blog-gold);
  text-decoration: underline;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-blog__hero-content {
    max-width: 768px;
  }

  .page-blog__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }

  .page-blog__subtitle {
    font-size: clamp(1em, 2.5vw, 1.1em);
  }

  .page-blog__section-title {
    font-size: clamp(1.6em, 3.5vw, 2.2em);
  }

  .page-blog__sub-title {
    font-size: clamp(1.2em, 2.8vw, 1.6em);
  }
}

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

  .page-blog__hero-section {
    padding-bottom: 30px;
  }

  .page-blog__hero-content {
    margin-top: 30px;
    padding: 0 15px;
  }

  .page-blog__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
  }

  .page-blog__subtitle {
    font-size: clamp(0.9em, 3.5vw, 1em);
  }

  .page-blog__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    padding: 0 15px;
  }

  .page-blog__btn-primary,
  .page-blog__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 15px !important;
  }

  .page-blog__content-area,
  .page-blog__faq-section,
  .page-blog__related-articles {
    padding: 30px 15px;
  }

  .page-blog__section-title {
    font-size: clamp(1.5em, 6vw, 2em);
    margin-bottom: 25px;
  }

  .page-blog__sub-title {
    font-size: clamp(1.1em, 4.5vw, 1.4em);
    margin-top: 30px;
    margin-bottom: 15px;
  }

  .page-blog__text-block p,
  .page-blog__text-block li {
    font-size: 1em;
  }

  .page-blog__article-image,
  .page-blog__card-image,
  .page-blog__hero-image,
  .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__text-block,
  .page-blog__image-block,
  .page-blog__faq-section,
  .page-blog__related-articles,
  .page-blog__article-grid {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
  }

  .page-blog__faq-item summary {
    font-size: 1em;
    padding: 15px;
  }

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

  .page-blog__article-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

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

  .page-blog__card-title {
    font-size: 1.1em;
  }

  .page-blog__card-description {
    font-size: 0.95em;
  }

  .page-blog__video-section {
    padding-top: 10px !important;
  }
}