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

:root {
  --page-blog-primary-color: #26A9E0;
  --page-blog-secondary-color: #FFFFFF;
  --page-blog-text-dark: #333333;
  --page-blog-text-light: #ffffff;
  --page-blog-background-dark: #0a0a0a; /* Từ body background */
  --page-blog-login-button: #EA7C07;
}

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

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

.page-blog__dark-bg {
  background-color: var(--page-blog-background-dark);
  color: var(--page-blog-text-light);
}

.page-blog__light-bg {
  background-color: var(--page-blog-secondary-color);
  color: var(--page-blog-text-dark);
}

/* Hero Section */
.page-blog__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: 10px; /* Small top padding, body handles header offset */
  overflow: hidden;
}

.page-blog__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.page-blog__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5); /* Giảm độ sáng để chữ dễ đọc hơn */
}

.page-blog__hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  color: var(--page-blog-text-light);
}

.page-blog__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--page-blog-text-light);
}

.page-blog__hero-description {
  font-size: 1.1rem;
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Section Titles */
.page-blog__section-title {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: inherit; /* Inherit color from parent section */
}

/* Buttons */
.page-blog__btn-primary,
.page-blog__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s ease, color 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

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

.page-blog__btn-primary:hover {
  background-color: darken(var(--page-blog-primary-color), 10%);
  border-color: darken(var(--page-blog-primary-color), 10%);
}

.page-blog__btn-secondary {
  background-color: 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-text-light);
}

/* Latest Articles Section */
.page-blog__latest-articles {
  padding: 60px 0;
  color: var(--page-blog-text-dark);
}

.page-blog__article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-blog__article-card {
  background-color: var(--page-blog-secondary-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
  color: var(--page-blog-text-dark);
}

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

.page-blog__article-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.page-blog__article-content {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

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

.page-blog__article-title a {
  color: var(--page-blog-text-dark);
  text-decoration: none;
}

.page-blog__article-title a:hover {
  color: var(--page-blog-primary-color);
}

.page-blog__article-excerpt {
  font-size: 1rem;
  color: #555;
  margin-bottom: 15px;
  flex-grow: 1;
}

.page-blog__article-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9rem;
  color: #777;
  margin-top: auto;
}

.page-blog__read-more {
  color: var(--page-blog-primary-color);
  text-decoration: none;
  font-weight: 600;
}

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

.page-blog__pagination {
  display: flex;
  justify-content: center;
  margin-top: 40px;
  gap: 10px;
}

.page-blog__pagination-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--page-blog-text-light);
  text-decoration: none;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.page-blog__pagination-link:hover,
.page-blog__pagination-link--active {
  background-color: var(--page-blog-primary-color);
  color: var(--page-blog-text-light);
}

/* Categories Section */
.page-blog__categories-section {
  padding: 60px 0;
}

.page-blog__category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
  text-align: center;
}

.page-blog__category-card {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--page-blog-text-light);
  padding: 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s ease;
}

.page-blog__category-card:hover {
  background-color: var(--page-blog-primary-color);
}

/* CTA Section */
.page-blog__cta-section {
  padding: 60px 0;
  color: var(--page-blog-text-dark);
}

.page-blog__cta-container {
  display: flex;
  align-items: center;
  gap: 40px;
}

.page-blog__cta-content {
  flex: 1;
}

.page-blog__cta-description {
  font-size: 1.1rem;
  margin-bottom: 30px;
}

.page-blog__newsletter-form {
  display: flex;
  gap: 10px;
  margin-bottom: 30px;
}

.page-blog__newsletter-input {
  flex-grow: 1;
  padding: 12px 15px;
  border: 1px solid #ccc;
  border-radius: 5px;
  font-size: 1rem;
  box-sizing: border-box;
  max-width: 100%;
}

.page-blog__newsletter-button {
  flex-shrink: 0;
}

.page-blog__general-cta-text {
  font-size: 1.1rem;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-blog__cta-image-wrapper {
  flex-shrink: 0;
  width: 400px;
}

.page-blog__cta-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
}

/* FAQ Section */
.page-blog__faq-section {
  padding: 60px 0;
}

.page-blog__faq-item {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--page-blog-text-light);
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.1);
  user-select: none;
  list-style: none; /* For details/summary */
}

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

.page-blog__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  transition: transform 0.3s ease;
}

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

.page-blog__faq-answer {
  padding: 0 25px 18px;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-blog__hero-content {
    max-width: 600px;
  }
  .page-blog__main-title {
    font-size: clamp(2rem, 6vw, 3rem);
  }
  .page-blog__cta-container {
    flex-direction: column;
    text-align: center;
  }
  .page-blog__cta-image-wrapper {
    width: 100%;
    max-width: 500px;
  }
  .page-blog__newsletter-form {
    flex-direction: column;
  }
  .page-blog__newsletter-button {
    width: 100%;
  }
}

@media (max-width: 768px) {
  .page-blog {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-blog__container,
  .page-blog__hero-section,
  .page-blog__latest-articles,
  .page-blog__categories-section,
  .page-blog__cta-section,
  .page-blog__faq-section {
    padding-left: 15px !important;
    padding-right: 15px !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-blog__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

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

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

  .page-blog__article-card {
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  }

  .page-blog__category-grid {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }

  /* Images responsiveness */
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  /* Button responsiveness */
  .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__newsletter-form,
  .page-blog__general-cta {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .page-blog__newsletter-input,
  .page-blog__newsletter-button {
    width: 100% !important;
  }
}