/* 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-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-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --page-blog-light-text: #ffffff;
  --page-blog-dark-text: #333333;
}

.page-blog {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--page-blog-text-main); /* Mặc định chữ sáng trên nền tối */
  background-color: var(--page-blog-background);
}

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

.page-blog__section-title {
  font-size: clamp(28px, 4vw, 42px);
  color: var(--page-blog-text-main);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
  line-height: 1.2;
}

.page-blog__text-block {
  font-size: 1.1em;
  color: var(--page-blog-text-secondary);
  text-align: center;
  margin-bottom: 20px;
}

/* Hero Section */
.page-blog__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 0 60px 0; /* padding-top nhỏ, không dùng var(--header-offset) */
  text-align: center;
  overflow: hidden;
}

.page-blog__hero-image-wrapper {
  position: relative;
  width: 100%;
  height: 0;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  overflow: hidden;
  margin-bottom: 30px;
}

.page-blog__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.page-blog__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-blog__hero-title {
  font-size: clamp(32px, 5vw, 56px);
  color: var(--page-blog-gold);
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
  text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.page-blog__hero-description {
  font-size: clamp(18px, 2.5vw, 24px);
  color: var(--page-blog-text-main);
  margin-bottom: 30px;
  line-height: 1.5;
  text-shadow: 0 0 5px rgba(0, 0, 0, 0.3);
}

/* Introduction Section */
.page-blog__introduction {
  padding: 60px 0;
  background-color: var(--page-blog-background);
}

.page-blog__introduction .page-blog__section-title {
  color: var(--page-blog-text-main);
}

.page-blog__introduction .page-blog__text-block {
  color: var(--page-blog-text-secondary);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Featured Posts Section */
.page-blog__featured-posts {
  padding: 80px 0;
  background-color: var(--page-blog-card-bg);
}

.page-blog__featured-posts .page-blog__section-title {
  color: var(--page-blog-text-main);
}

.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-background);
  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;
  border: 1px solid var(--page-blog-border);
}

.page-blog__post-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: 25px;
}

.page-blog__card-title {
  font-size: 1.5em;
  margin-bottom: 10px;
  line-height: 1.3;
}

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

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

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

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

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

/* FAQ Section */
.page-blog__faq-section {
  padding: 80px 0;
  background-color: var(--page-blog-background);
}

.page-blog__faq-section .page-blog__section-title {
  color: var(--page-blog-text-main);
}

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

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

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--page-blog-text-main);
  cursor: pointer;
  background-color: var(--page-blog-deep-green);
  transition: background-color 0.3s ease;
  list-style: none; /* For details tag */
}

.page-blog__faq-question::-webkit-details-marker {
  display: none; /* For details tag */
}

.page-blog__faq-question:hover {
  background-color: var(--page-blog-primary-color);
}

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

.page-blog__faq-toggle {
  font-size: 1.5em;
  margin-left: 15px;
  color: var(--page-blog-gold);
  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: 1.1em;
  color: var(--page-blog-text-secondary);
}

/* CTA Section */
.page-blog__cta-section {
  padding: 80px 0;
  text-align: center;
  background-color: var(--page-blog-card-bg);
}

.page-blog__cta-section .page-blog__section-title {
  color: var(--page-blog-text-main);
}

.page-blog__cta-section .page-blog__text-block {
  color: var(--page-blog-text-secondary);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 40px;
}

/* Buttons */
.page-blog__btn-primary,
.page-blog__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  text-align: center;
  cursor: pointer;
  margin: 10px;
  box-sizing: border-box;
  max-width: 100%; /* Ensure button responsiveness */
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word;
}

.page-blog__btn-primary {
  background: var(--page-blog-button-gradient);
  color: var(--page-blog-light-text);
  border: 2px solid transparent;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-blog__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

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

.page-blog__btn-secondary:hover {
  background-color: var(--page-blog-primary-color);
  color: var(--page-blog-light-text);
}

.page-blog__hero-cta {
  min-width: 200px;
}

.page-blog__cta-button {
  min-width: 220px;
}

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

  .page-blog__container {
    padding: 0 15px;
  }

  .page-blog__hero-section {
    padding: 10px 0 40px 0;
  }

  .page-blog__hero-title {
    font-size: clamp(28px, 8vw, 42px);
  }

  .page-blog__hero-description {
    font-size: clamp(16px, 4vw, 20px);
  }

  .page-blog__section-title {
    font-size: clamp(24px, 6vw, 36px);
    margin-bottom: 30px;
  }

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

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

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

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

  .page-blog__faq-question {
    font-size: 1.1em;
    padding: 15px 20px;
  }

  .page-blog__faq-answer {
    font-size: 1em;
    padding: 0 20px 15px 20px;
  }

  .page-blog__btn-primary,
  .page-blog__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    margin: 10px 0;
    padding: 12px 20px;
    font-size: 1em;
    white-space: normal !important;
    word-wrap: break-word !important;
    box-sizing: border-box !important;
  }

  .page-blog__cta-section .page-blog__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 10px;
  }

  /* Responsive images */
  .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__hero-image-wrapper,
  .page-blog__post-grid,
  .page-blog__faq-list,
  .page-blog__cta-section .page-blog__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important; /* Ensure no horizontal scroll */
  }

  .page-blog__hero-image-wrapper {
    padding-left: 0;
    padding-right: 0;
  }

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

  .page-blog__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}

@media (max-width: 480px) {
  .page-blog__hero-title {
    font-size: clamp(24px, 10vw, 36px);
  }

  .page-blog__hero-description {
    font-size: clamp(14px, 4vw, 18px);
  }

  .page-blog__section-title {
    font-size: clamp(22px, 8vw, 30px);
  }

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