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

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

.page-blog {
  font-family: 'Arial', sans-serif;
  color: var(--light-text-color); /* Màu chữ sáng trên nền tối của body */
  background-color: var(--dark-bg-color); /* Đảm bảo đồng bộ với body */
}

.page-blog__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px 20px 60px; /* Nhỏ ở trên, lớn ở dưới */
  box-sizing: border-box;
  overflow: hidden;
}

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

.page-blog__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 10px;
}

.page-blog__main-title {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--light-text-color);
  margin-bottom: 20px;
  max-width: 100%;
}

.page-blog__description {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 30px;
  color: var(--secondary-color);
}

.page-blog__btn-primary {
  display: inline-block;
  background-color: var(--primary-color);
  color: var(--light-text-color);
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s ease;
  border: 2px solid transparent;
}

.page-blog__btn-primary:hover {
  background-color: #1e87c0;
}

.page-blog__video-section {
  padding: 60px 20px;
  background-color: var(--dark-bg-color);
  text-align: center;
}

.page-blog__section-title {
  font-size: 2.2em;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 30px;
  text-align: center;
}

.page-blog__video-wrapper {
  position: relative;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  max-width: 1200px;
  width: 100%; /* Đảm bảo width 100% cho desktop */
  margin: 0 auto 30px;
  background-color: #000;
  border-radius: 10px;
}

.page-blog__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 10px;
  cursor: pointer;
}

.page-blog__video-description {
  font-size: 1.05em;
  color: var(--secondary-color);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.6;
}

.page-blog__latest-posts {
  padding: 60px 20px;
  background-color: #1a1a1a;
}

.page-blog__articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto 40px;
}

.page-blog__article-card {
  background-color: rgba(255, 255, 255, 0.08); /* Nền hơi trong suốt */
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-blog__article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5);
}

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

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

.page-blog__article-meta {
  font-size: 0.9em;
  color: #a0a0a0;
  margin-bottom: 10px;
}

.page-blog__article-title {
  font-size: 1.5em;
  font-weight: 600;
  margin-bottom: 15px;
  line-height: 1.4;
}

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

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

.page-blog__article-excerpt {
  font-size: 1em;
  color: #cccccc;
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-blog__read-more-btn {
  display: inline-block;
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  padding: 8px 0;
  border-bottom: 2px solid var(--primary-color);
  transition: color 0.3s ease, border-color 0.3s ease;
  align-self: flex-start;
}

.page-blog__read-more-btn:hover {
  color: var(--secondary-color);
  border-color: var(--secondary-color);
}

.page-blog__view-all-wrapper {
  text-align: center;
  margin-top: 20px;
}

.page-blog__btn-secondary {
  display: inline-block;
  background-color: transparent;
  color: var(--primary-color);
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  border: 2px solid var(--primary-color);
}

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

.page-blog__categories {
  padding: 60px 20px;
  background-color: var(--dark-bg-color);
}

.page-blog__categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-blog__category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  overflow: hidden;
  text-decoration: none;
  color: var(--light-text-color);
  transition: transform 0.3s ease, background-color 0.3s ease;
  padding-bottom: 20px;
}

.page-blog__category-card:hover {
  transform: translateY(-5px);
  background-color: rgba(255, 255, 255, 0.1);
}

.page-blog__category-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  margin-bottom: 15px;
}

.page-blog__category-title {
  font-size: 1.3em;
  font-weight: 600;
  color: var(--primary-color);
  padding: 0 15px;
}

.page-blog__guides-tips {
  padding: 60px 20px;
  background-color: #1a1a1a;
}

.page-blog__guides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-blog__guide-item {
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  padding-bottom: 20px;
  display: flex;
  flex-direction: column;
}

.page-blog__guide-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  margin-bottom: 20px;
}

.page-blog__guide-title {
  font-size: 1.4em;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 10px;
  padding: 0 20px;
}

.page-blog__guide-item p {
  font-size: 1em;
  color: #cccccc;
  line-height: 1.6;
  margin-bottom: 20px;
  padding: 0 20px;
  flex-grow: 1;
}

.page-blog__guide-item .page-blog__read-more-btn {
  padding: 0 20px;
  align-self: flex-start;
}

.page-blog__why-blog {
  padding: 60px 20px;
  background-color: var(--dark-bg-color);
}

.page-blog__why-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1200px;
  margin: 0 auto;
}

.page-blog__why-item {
  background-color: rgba(255, 255, 255, 0.05);
  border-left: 5px solid var(--primary-color);
  padding: 25px;
  border-radius: 8px;
}

.page-blog__why-title {
  font-size: 1.3em;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.page-blog__why-item p {
  font-size: 0.95em;
  color: #cccccc;
  line-height: 1.6;
}

.page-blog__cta-section {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  background: linear-gradient(90deg, #1a1a1a 0%, #26A9E0 100%);
  max-width: 100%;
  box-sizing: border-box;
}

.page-blog__cta-content {
  flex: 1 1 50%;
  max-width: 600px;
  padding: 20px;
  text-align: left;
}

.page-blog__cta-content .page-blog__section-title {
  text-align: left;
  color: var(--light-text-color);
}

.page-blog__cta-content .page-blog__description {
  color: var(--secondary-color);
}

.page-blog__cta-image {
  flex: 1 1 40%;
  max-width: 500px;
  height: auto;
  border-radius: 10px;
  object-fit: cover;
}

.page-blog__faq-section {
  padding: 60px 20px;
  background-color: var(--dark-bg-color);
}

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

.page-blog__faq-item {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: background-color 0.3s ease;
}

.page-blog__faq-item[open] {
  background-color: rgba(255, 255, 255, 0.1);
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.2em;
  font-weight: 600;
  color: var(--light-text-color);
  cursor: pointer;
  list-style: none; /* Hide default marker */
}

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

.page-blog__faq-qtext {
  flex-grow: 1;
  color: var(--primary-color);
}

.page-blog__faq-toggle {
  font-size: 1.5em;
  font-weight: 600;
  color: var(--secondary-color);
  margin-left: 15px;
}

.page-blog__faq-answer {
  padding: 0 20px 20px;
  font-size: 1em;
  color: #cccccc;
  line-height: 1.6;
}

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

.page-blog__faq-answer a {
  color: var(--primary-color);
  text-decoration: none;
}

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

/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .page-blog__main-title {
    font-size: 2.8em;
  }
  .page-blog__section-title {
    font-size: 2em;
  }
  .page-blog__cta-content {
    flex: 1 1 100%;
    text-align: center;
  }
  .page-blog__cta-content .page-blog__section-title {
    text-align: center;
  }
  .page-blog__cta-image {
    flex: 1 1 100%;
    max-width: 600px;
    margin-top: 30px;
  }
}

@media (max-width: 768px) {
  .page-blog {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-blog__hero-section {
    padding: 10px 15px 40px;
  }
  .page-blog__hero-content {
    padding: 20px;
  }
  .page-blog__main-title {
    font-size: 2.2em;
    margin-bottom: 15px;
  }
  .page-blog__description {
    font-size: 1em;
    margin-bottom: 20px;
  }
  .page-blog__btn-primary {
    padding: 12px 25px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-blog__video-section, .page-blog__latest-posts, .page-blog__categories, .page-blog__guides-tips, .page-blog__why-blog, .page-blog__cta-section, .page-blog__faq-section {
    padding: 40px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  /* Video responsive */
  .page-blog__video-wrapper {
    padding-bottom: 56.25% !important;
    height: 0 !important;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    margin: 0 auto 20px;
    overflow: hidden !important;
  }
  .page-blog__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  /* Image responsive */
  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-blog__article-card, .page-blog__category-card, .page-blog__guide-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-blog__articles-grid, .page-blog__categories-grid, .page-blog__guides-grid, .page-blog__why-list {
    grid-template-columns: 1fr;
    gap: 20px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-blog__section-title {
    font-size: 1.8em;
    margin-bottom: 20px;
  }

  .page-blog__article-title {
    font-size: 1.3em;
  }
  .page-blog__article-excerpt {
    font-size: 0.95em;
  }

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

  .page-blog__cta-content {
    padding: 15px;
  }
  .page-blog__cta-image {
    margin-top: 20px;
  }

  /* Button responsive (general) */
  .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;
    text-align: center;
  }
  .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;
    flex-wrap: wrap !important;
    gap: 10px;
  }

  .page-blog__faq-question {
    font-size: 1.1em;
    padding: 15px;
  }
  .page-blog__faq-answer {
    padding: 0 15px 15px;
  }
}