/* style/blog.css */

/* Biến màu sắc */
: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-color: #2E7A4E;
  --page-blog-glow-color: #57E38D;
  --page-blog-gold-color: #F2C14E;
  --page-blog-divider-color: #1E3A2A;
  --page-blog-deep-green-color: #0A4B2C;
}

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

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

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

.page-blog__hero-image-wrapper {
  width: 100%;
  max-height: 700px; /* Limit height for hero image */
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
}

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

.page-blog__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 20px;
  background: rgba(0, 0, 0, 0.4); /* Slightly dark overlay for text readability */
  border-radius: 10px;
}

.page-blog__main-title {
  color: var(--page-blog-gold-color);
  font-size: clamp(2em, 4vw, 3.5em);
  font-weight: 700;
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-blog__subtitle {
  color: var(--page-blog-text-main);
  font-size: 1.2em;
  margin-bottom: 30px;
}

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

.page-blog__btn-primary,
.page-blog__btn-secondary {
  padding: 12px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  max-width: 100%;
}

.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 {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

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

.page-blog__btn-secondary:hover {
  background: var(--page-blog-gold-color);
  color: var(--page-blog-background);
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Sections */
.page-blog__introduction-section,
.page-blog__articles-section,
.page-blog__why-choose-us,
.page-blog__faq-section,
.page-blog__final-cta {
  padding: 60px 0;
  text-align: center;
}

.page-blog__dark-section {
  background-color: var(--page-blog-deep-green-color);
  color: var(--page-blog-text-main);
}

.page-blog__section-title {
  font-size: 2.5em;
  color: var(--page-blog-gold-color);
  margin-bottom: 40px;
  font-weight: 700;
}

.page-blog__text-block {
  font-size: 1.1em;
  color: var(--page-blog-text-secondary);
  margin-bottom: 20px;
  line-height: 1.8;
  text-align: left;
}

.page-blog__text-block a {
  color: var(--page-blog-gold-color);
  text-decoration: none;
  font-weight: bold;
}

.page-blog__text-block a:hover {
  text-decoration: underline;
}

/* Article Cards */
.page-blog__articles-section .page-blog__container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

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

.page-blog__article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-blog__article-link {
  text-decoration: none;
  color: inherit;
  display: block;
  height: 100%;
}

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

.page-blog__article-content {
  padding: 25px;
}

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

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

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

.page-blog__read-more {
  color: var(--page-blog-secondary-color);
  font-weight: bold;
  display: flex;
  align-items: center;
}

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

.page-blog__article-card:hover .page-blog__arrow {
  transform: translateX(5px);
}

.page-blog__view-all-button-wrapper {
  margin-top: 40px;
}

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

.page-blog__feature-item {
  background-color: var(--page-blog-card-bg);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.page-blog__feature-item:hover {
  transform: translateY(-5px);
}

.page-blog__feature-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  object-fit: contain;
  min-width: 200px; /* Enforce min size for icons */
  min-height: 200px;
}

.page-blog__feature-title {
  font-size: 1.5em;
  color: var(--page-blog-gold-color);
  margin-bottom: 15px;
}

.page-blog__feature-description {
  font-size: 1em;
  color: var(--page-blog-text-secondary);
  line-height: 1.7;
}

.page-blog__feature-description a {
  color: var(--page-blog-secondary-color);
  text-decoration: none;
  font-weight: bold;
}

.page-blog__feature-description a:hover {
  text-decoration: underline;
}

.page-blog__cta-wrapper {
  margin-top: 50px;
}

/* FAQ Section */
.page-blog__faq-list {
  max-width: 900px;
  margin: 0 auto;
  text-align: left;
}

.page-blog__faq-item {
  background-color: var(--page-blog-card-bg);
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

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

.page-blog__faq-question .page-blog__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: var(--page-blog-secondary-color);
  transition: transform 0.3s ease;
}

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

.page-blog__faq-answer {
  padding: 20px 25px;
  font-size: 1em;
  color: var(--page-blog-text-secondary);
  line-height: 1.7;
}

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

.page-blog__faq-answer a {
  color: var(--page-blog-secondary-color);
  text-decoration: none;
  font-weight: bold;
}

.page-blog__faq-answer a:hover {
  text-decoration: underline;
}

/* Final CTA Section */
.page-blog__final-cta .page-blog__section-title {
  margin-bottom: 20px;
}

.page-blog__final-cta .page-blog__text-block {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 40px;
}

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

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

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

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

@media (max-width: 768px) {
  .page-blog__hero-section,
  .page-blog__introduction-section,
  .page-blog__articles-section,
  .page-blog__why-choose-us,
  .page-blog__faq-section,
  .page-blog__final-cta {
    padding: 40px 0;
  }

  .page-blog__container {
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-blog__main-title {
    font-size: clamp(1.8em, 6vw, 2.5em);
  }

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

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

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

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

  .page-blog__text-block,
  .page-blog__article-excerpt,
  .page-blog__feature-description,
  .page-blog__faq-answer p {
    font-size: 0.95em;
  }

  .page-blog__articles-section .page-blog__container {
    grid-template-columns: 1fr;
  }

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

  .page-blog__hero-image-wrapper,
  .page-blog__article-card,
  .page-blog__feature-item,
  .page-blog__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

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

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

  /* Ensure content images are not too small */
  .page-blog__article-image {
    height: 180px;
  }
  .page-blog__feature-icon {
    width: 100px; /* Adjust if 200px is too large visually on mobile */
    height: 100px;
    min-width: 100px !important;
    min-height: 100px !important;
  }

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

@media (max-width: 480px) {
  .page-blog__main-title {
    font-size: clamp(1.6em, 7vw, 2em);
  }

  .page-blog__section-title {
    font-size: 1.6em;
  }

  .page-blog__cta-buttons {
    gap: 10px;
  }
}

/* Ensure all images maintain original color */
.page-blog img {
  filter: none !important;
}

/* Color contrast fixes for specific elements if needed */
.page-blog__hero-content {
  background: rgba(0, 0, 0, 0.6); /* Slightly darker for better contrast */
}

.page-blog__text-block {
  color: var(--page-blog-text-secondary);
}

.page-blog__article-excerpt {
  color: var(--page-blog-text-main);
}

.page-blog__faq-answer {
  color: var(--page-blog-text-secondary);
}