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

:root {
  --page-blog-primary-color: #11A84E;
  --page-blog-secondary-color: #22C768;
  --page-blog-dark-bg: #08160F;
  --page-blog-card-bg: #11271B;
  --page-blog-text-main: #F2FFF6;
  --page-blog-text-secondary: #A7D9B8;
  --page-blog-border-color: #2E7A4E;
  --page-blog-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --page-blog-button-hover-gradient: linear-gradient(180deg, #13994A 0%, #2AD16F 100%); /* Đảo ngược gradient cho hiệu ứng hover */
  --page-blog-glow-color: #57E38D;
  --page-blog-gold-color: #F2C14E;
  --page-blog-divider-color: #1E3A2A;
  --page-blog-deep-green: #0A4B2C;
}

.page-blog {
  color: var(--page-blog-text-main); /* Sử dụng màu chữ chính cho toàn bộ trang */
  background-color: var(--background-color); /* Lấy từ shared.css, giả định là màu tối */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

/* Hero Section */
.page-blog__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-bottom: 60px; /* Chỉ có padding-bottom, padding-top nhỏ để trang trí */
  padding-top: 10px; /* Nhỏ để trang trí, body đã có padding-top */
  background-color: var(--page-blog-dark-bg);
  overflow: hidden;
}

.page-blog__hero-image-wrapper {
  width: 100%;
  max-height: 700px; /* Giới hạn chiều cao hình ảnh chính */
  overflow: hidden;
}

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

.page-blog__hero-content {
  position: relative;
  text-align: center;
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -100px; /* Để nội dung chồng lên một phần hình ảnh, nhưng không che chữ */
  background-color: var(--page-blog-card-bg);
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  z-index: 10;
  border: 1px solid var(--page-blog-border-color);
}

.page-blog__main-title {
  color: var(--page-blog-gold-color);
  font-size: clamp(2em, 4vw, 3.2em); /* Sử dụng clamp cho font-size */
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  text-shadow: 0 0 10px rgba(87, 227, 141, 0.5);
}

.page-blog__description {
  font-size: 1.1em;
  color: var(--page-blog-text-secondary);
  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 {
  display: inline-block;
  padding: 15px 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;
}

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

.page-blog__btn-primary:hover {
  background: var(--page-blog-button-hover-gradient);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

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

.page-blog__btn-secondary:hover {
  background-color: var(--page-blog-gold-color);
  color: var(--page-blog-dark-bg);
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* General Section Styles */
.page-blog__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  color: var(--page-blog-gold-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
  text-shadow: 0 0 8px rgba(87, 227, 141, 0.4);
}

.page-blog__description-secondary {
  text-align: center;
  font-size: 1.05em;
  color: var(--page-blog-text-secondary);
  margin-bottom: 50px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-blog__dark-section {
  background-color: var(--page-blog-dark-bg);
  padding: 80px 0;
  color: var(--page-blog-text-main);
}

.page-blog__light-bg {
  background-color: #ffffff;
  padding: 80px 0;
  color: #333333; /* Chữ màu tối trên nền sáng */
}

.page-blog__light-bg .page-blog__section-title,
.page-blog__light-bg .page-blog__description-secondary {
  color: var(--page-blog-deep-green);
  text-shadow: none;
}

.page-blog__text-block {
  font-size: 1.1em;
  margin-bottom: 25px;
  color: var(--page-blog-text-secondary);
  text-align: justify;
}

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

.page-blog__image-content {
  width: 100%;
  height: auto;
  display: block;
  margin: 40px auto;
  border-radius: 12px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  min-width: 200px;
  min-height: 200px;
}

/* Featured Posts Section */
.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: var(--page-blog-card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-decoration: none;
  color: var(--page-blog-text-main);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--page-blog-border-color);
}

.page-blog__post-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.page-blog__post-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
  min-width: 200px;
  min-height: 200px;
}

.page-blog__post-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-blog__post-title {
  font-size: 1.4em;
  font-weight: bold;
  color: var(--page-blog-gold-color);
  margin-bottom: 10px;
  line-height: 1.3;
}

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

.page-blog__post-excerpt {
  font-size: 1em;
  color: var(--page-blog-text-main);
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-blog__read-more {
  color: var(--page-blog-gold-color);
  font-weight: bold;
  text-decoration: none;
  align-self: flex-start;
}

.page-blog__read-more:hover {
  text-decoration: underline;
}

.page-blog__view-all {
  text-align: center;
  margin-top: 60px;
}

/* Topics Section */
.page-blog__topic-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-blog__topic-card {
  background-color: var(--page-blog-card-bg);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-decoration: none;
  color: var(--page-blog-text-main);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  padding: 25px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  border: 1px solid var(--page-blog-border-color);
}

.page-blog__topic-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.page-blog__topic-image {
  width: 100%;
  max-width: 300px;
  height: auto;
  display: block;
  border-radius: 8px;
  margin-bottom: 20px;
  min-width: 200px;
  min-height: 200px;
}

.page-blog__topic-title {
  font-size: 1.3em;
  font-weight: bold;
  color: var(--page-blog-gold-color);
  margin-bottom: 10px;
}

.page-blog__topic-text {
  font-size: 0.95em;
  color: var(--page-blog-text-secondary);
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Why Choose Us Section */
.page-blog__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-blog__feature-item {
  background-color: var(--page-blog-card-bg);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--page-blog-border-color);
}

.page-blog__feature-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
  min-width: 200px; /* Enforcing minimum size for content images */
  min-height: 200px;
}

.page-blog__feature-title {
  font-size: 1.3em;
  font-weight: bold;
  color: var(--page-blog-gold-color);
  margin-bottom: 15px;
}

.page-blog__feature-text {
  font-size: 1em;
  color: var(--page-blog-text-secondary);
}

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

/* FAQ Section */
.page-blog__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

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

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15em;
  font-weight: bold;
  color: var(--page-blog-gold-color);
  cursor: pointer;
  background-color: var(--page-blog-deep-green);
  border-bottom: 1px solid var(--page-blog-border-color);
  list-style: none; /* For details/summary */
}

.page-blog__faq-question::-webkit-details-marker {
  display: none; /* Hide default marker for details/summary */
}

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

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

.page-blog__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1em;
  color: var(--page-blog-text-secondary);
  line-height: 1.6;
}

.page-blog__faq-answer p {
  margin-bottom: 10px;
}

.page-blog__faq-answer a {
  color: var(--page-blog-gold-color);
  text-decoration: underline;
}

/* CTA Bottom Section */
.page-blog__cta-bottom {
  padding: 80px 0;
  text-align: center;
}

.page-blog__cta-bottom .page-blog__section-title {
  color: var(--page-blog-deep-green);
}

.page-blog__cta-bottom .page-blog__description-secondary {
  color: #333333;
}

.page-blog__cta-bottom .page-blog__description-secondary a {
  color: var(--page-blog-deep-green);
  font-weight: bold;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-blog__hero-content {
    margin-top: -60px;
    padding: 30px 20px;
  }
}

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

  .page-blog__hero-section {
    padding-bottom: 40px;
    padding-top: 10px !important; /* body đã có padding-top */
  }

  .page-blog__hero-content {
    margin-top: -40px;
    padding: 25px 15px;
  }

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

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

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

  .page-blog__btn-primary,
  .page-blog__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

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

  .page-blog__description-secondary {
    font-size: 0.95em;
    margin-bottom: 40px;
  }

  .page-blog__dark-section,
  .page-blog__light-bg {
    padding: 50px 0;
  }

  .page-blog__post-grid,
  .page-blog__topic-grid,
  .page-blog__features-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .page-blog__post-image {
    height: 200px;
  }

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

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

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

  /* Mobile image and video responsive adaptation */
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-blog video,
  .page-blog__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-blog__section,
  .page-blog__card,
  .page-blog__container,
  .page-blog__video-section,
  .page-blog__video-container,
  .page-blog__video-wrapper,
  .page-blog__cta-buttons,
  .page-blog__button-group,
  .page-blog__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important; /* Ensure no overflow for containers */
  }

  .page-blog__cta-buttons {
    flex-wrap: wrap !important;
    gap: 10px;
  }
}