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

:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --text-color-dark-bg: #FFFFFF;
  --text-color-light-bg: #333333;
  --background-dark: #121212;
  --background-light: #FFFFFF;
  --button-login-color: #EA7C07;
}

.page-blog {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-color-dark-bg); /* Default text color for dark body background */
  background-color: var(--background-dark); /* Ensure consistency with body background */
}

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

/* Hero Section */
.page-blog__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 10px; /* Small top padding, header offset handled by body */
  padding-bottom: 60px;
  text-align: center;
  overflow: hidden;
  background-color: var(--primary-color);
}

.page-blog__hero-image-wrapper {
  width: 100%;
  max-height: 600px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 30px;
}

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

.page-blog__hero-content {
  z-index: 1;
  max-width: 900px;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-blog__main-title {
  font-weight: bold;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--text-color-dark-bg);
  margin-bottom: 20px;
  font-size: clamp(2em, 4vw, 3.2em); /* Responsive font size */
}

.page-blog__tagline {
  font-size: 1.1em;
  color: var(--text-color-dark-bg);
  margin-bottom: 30px;
}

/* General Section Styles */
.page-blog__intro-section, 
.page-blog__content-section, 
.page-blog__cta-section, 
.page-blog__faq-section {
  padding: 60px 0;
}

.page-blog__intro-section, .page-blog__cta-section {
  background-color: var(--background-light);
  color: var(--text-color-light-bg);
}

.page-blog__content-section.page-blog__dark-bg, .page-blog__faq-section.page-blog__dark-bg {
  background-color: var(--background-dark);
  color: var(--text-color-dark-bg);
}

.page-blog__content-section.page-blog__light-bg {
  background-color: var(--background-light);
  color: var(--text-color-light-bg);
}

.page-blog__section-title {
  font-size: 2.2em;
  font-weight: bold;
  text-align: center;
  margin-bottom: 40px;
  line-height: 1.3;
}

.page-blog__intro-section .page-blog__section-title, .page-blog__cta-section .page-blog__section-title, .page-blog__content-section.page-blog__light-bg .page-blog__section-title {
  color: var(--text-color-light-bg);
}

.page-blog__content-section.page-blog__dark-bg .page-blog__section-title, .page-blog__faq-section .page-blog__section-title {
  color: var(--text-color-dark-bg);
}

.page-blog__sub-title {
  font-size: 1.6em;
  font-weight: bold;
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-blog__intro-section .page-blog__sub-title, .page-blog__content-section.page-blog__light-bg .page-blog__sub-title {
  color: var(--text-color-light-bg);
}

.page-blog__content-section.page-blog__dark-bg .page-blog__sub-title {
  color: var(--text-color-dark-bg);
}

.page-blog__paragraph {
  font-size: 1.1em;
  margin-bottom: 15px;
  text-align: justify;
}

.page-blog__intro-section .page-blog__paragraph, .page-blog__cta-section .page-blog__paragraph, .page-blog__content-section.page-blog__light-bg .page-blog__paragraph {
  color: var(--text-color-light-bg);
}

.page-blog__content-section.page-blog__dark-bg .page-blog__paragraph, .page-blog__faq-section .page-blog__paragraph {
  color: var(--text-color-dark-bg);
}

.page-blog__article-image {
  width: 100%;
  height: auto;
  display: block;
  margin: 20px auto 30px auto;
  border-radius: 8px;
  object-fit: cover;
  min-width: 200px;
  min-height: 200px;
}

.page-blog__unordered-list, .page-blog__ordered-list {
  margin-bottom: 15px;
  padding-left: 25px;
}

.page-blog__unordered-list li, .page-blog__ordered-list li {
  margin-bottom: 10px;
  font-size: 1.1em;
}

.page-blog__intro-section .page-blog__unordered-list li, .page-blog__intro-section .page-blog__ordered-list li, .page-blog__content-section.page-blog__light-bg .page-blog__unordered-list li, .page-blog__content-section.page-blog__light-bg .page-blog__ordered-list li {
  color: var(--text-color-light-bg);
}

.page-blog__content-section.page-blog__dark-bg .page-blog__unordered-list li, .page-blog__content-section.page-blog__dark-bg .page-blog__ordered-list li {
  color: var(--text-color-dark-bg);
}

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

.page-blog__btn-primary {
  background-color: var(--primary-color);
  color: var(--text-color-dark-bg);
  border: 2px solid var(--primary-color);
}

.page-blog__btn-primary:hover {
  background-color: #1e87bb;
  border-color: #1e87bb;
}

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

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

.page-blog__hero-section .page-blog__btn-primary {
  background-color: var(--button-login-color);
  border-color: var(--button-login-color);
  color: var(--text-color-dark-bg);
}

.page-blog__hero-section .page-blog__btn-primary:hover {
  background-color: #d16b06;
  border-color: #d16b06;
}

.page-blog__button-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

/* FAQ Section */
.page-blog__faq-section {
  padding: 60px 0;
  background-color: var(--background-dark);
  color: var(--text-color-dark-bg);
}

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

.page-blog__faq-item {
  background-color: rgba(255, 255, 255, 0.08);
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
}

.page-blog__faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  font-weight: bold;
  font-size: 1.15em;
  color: var(--text-color-dark-bg);
  background-color: rgba(255, 255, 255, 0.05);
  transition: background-color 0.3s ease;
}

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

.page-blog__faq-item summary:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

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

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

.page-blog__faq-answer {
  padding: 15px 20px 20px 20px;
  font-size: 1em;
  color: var(--text-color-dark-bg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .page-blog__main-title {
    font-size: clamp(1.8em, 5vw, 2.8em);
  }
  .page-blog__section-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-blog {
    font-size: 16px;
    line-height: 1.6;
  }
  
  .page-blog__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }

  .page-blog__hero-image-wrapper {
    max-height: 300px;
    margin-bottom: 20px;
  }

  .page-blog__main-title {
    font-size: clamp(1.6em, 6vw, 2.5em);
  }

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

  .page-blog__intro-section, 
  .page-blog__content-section, 
  .page-blog__cta-section, 
  .page-blog__faq-section {
    padding: 40px 0;
  }

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

  .page-blog__sub-title {
    font-size: 1.4em;
  }

  .page-blog__paragraph,
  .page-blog__unordered-list li, 
  .page-blog__ordered-list li {
    font-size: 1em;
  }

  .page-blog__container,
  .page-blog__hero-content,
  .page-blog__faq-list {
    padding-left: 15px !important;
    padding-right: 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

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

  .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__button-group {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-direction: column !important; /* Stack buttons vertically */
    gap: 10px;
  }

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

  .page-blog__faq-answer {
    padding: 10px 15px 15px 15px;
  }
}