/* 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-background-color: #08160F;
  --page-blog-card-bg: #11271B;
  --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: #0A4B2C;
  --page-blog-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-blog {
  font-family: 'Arial', sans-serif;
  color: var(--page-blog-text-main); /* Đảm bảo chữ sáng trên nền tối */
  background-color: var(--page-blog-background-color);
}

.page-blog__section {
  padding: 60px 0;
  position: relative;
  overflow: hidden;
}

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

.page-blog__section-title {
  font-size: 2.5rem;
  color: var(--page-blog-text-main);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
  line-height: 1.2;
}

/* Hero Section */
.page-blog__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 10px 0 80px 0; /* Chỉ 10px padding-top, không dùng var(--header-offset) */
  min-height: 500px;
  text-align: center;
  overflow: hidden;
}

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

.page-blog__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.5); /* Làm tối ảnh nền để chữ nổi bật */
}

.page-blog__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  padding: 20px;
  background: rgba(0, 0, 0, 0.4); /* Nền bán trong suốt cho nội dung để tăng độ tương phản */
  border-radius: 10px;
}

.page-blog__main-title {
  color: var(--page-blog-text-main);
  font-size: clamp(2.2rem, 4vw, 3.5rem); /* Sử dụng clamp để kiểm soát kích thước */
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 0 0 10px rgba(0,255,0,0.5);
}

.page-blog__hero-description {
  color: var(--page-blog-text-secondary);
  font-size: 1.2rem;
  margin-bottom: 30px;
  line-height: 1.6;
}

/* Buttons */
.page-blog__btn-primary {
  display: inline-block;
  background: var(--page-blog-button-gradient);
  color: var(--page-blog-text-main);
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(42, 209, 111, 0.4);
}

.page-blog__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(42, 209, 111, 0.6);
}

.page-blog__btn-secondary {
  display: inline-block;
  background: transparent;
  color: var(--page-blog-primary-color);
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  border: 2px solid var(--page-blog-primary-color);
  cursor: pointer;
}

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

/* Article Grid */
.page-blog__article-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-blog__article-card {
  background-color: var(--page-blog-card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--page-blog-border-color);
}

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

.page-blog__article-image {
  width: 100%;
  height: 220px; /* Đảm bảo hình ảnh có kích thước đủ lớn */
  object-fit: cover;
}

.page-blog__article-content {
  padding: 25px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.page-blog__article-title {
  font-size: 1.5rem;
  color: var(--page-blog-text-main);
  margin-bottom: 10px;
  line-height: 1.3;
  font-weight: 600;
}

.page-blog__article-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}

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

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

.page-blog__article-excerpt {
  font-size: 1rem;
  color: var(--page-blog-text-secondary);
  line-height: 1.6;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-blog__read-more {
  color: var(--page-blog-primary-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
  align-self: flex-start;
}

.page-blog__read-more:hover {
  color: var(--page-blog-glow-color);
}

.page-blog__view-all-wrapper {
  text-align: center;
  margin-top: 30px;
}

/* Categories Section */
.page-blog__category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 25px;
}

.page-blog__category-card {
  background-color: var(--page-blog-card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.15);
  text-align: center;
  text-decoration: none;
  color: var(--page-blog-text-main);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  padding-bottom: 20px;
  border: 1px solid var(--page-blog-border-color);
}

.page-blog__category-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.25);
}

.page-blog__category-image {
  width: 100%;
  height: 150px; /* Đảm bảo kích thước tối thiểu 200px nếu là ảnh nội dung chính */
  object-fit: cover;
  margin-bottom: 15px;
}

.page-blog__category-title {
  font-size: 1.2rem;
  font-weight: 600;
  padding: 0 15px;
}

/* About Section */
.page-blog__about-content {
  display: flex;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.page-blog__about-image {
  flex: 1;
  min-width: 300px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  object-fit: cover;
}

.page-blog__about-text {
  flex: 2;
  min-width: 300px;
}

.page-blog__about-text p {
  margin-bottom: 15px;
  line-height: 1.7;
  color: var(--page-blog-text-secondary);
}

/* FAQ Section */
.page-blog__faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.page-blog__faq-item {
  background-color: var(--page-blog-card-bg);
  border: 1px solid var(--page-blog-border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.page-blog__faq-item[open] {
  background-color: var(--page-blog-deep-green);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--page-blog-text-main);
  cursor: pointer;
  list-style: none; /* Dành cho details/summary */
}

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

.page-blog__faq-toggle {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--page-blog-primary-color);
  transition: transform 0.3s ease;
}

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

.page-blog__faq-answer {
  padding: 0 25px 20px 25px;
  font-size: 1rem;
  color: var(--page-blog-text-secondary);
  line-height: 1.7;
}

/* CTA Section */
.page-blog__cta-section {
  text-align: center;
  background-color: var(--page-blog-deep-green);
  padding: 80px 20px;
  border-radius: 10px;
  margin: 60px auto;
  max-width: 1000px;
}

.page-blog__cta-section .page-blog__section-title {
  color: var(--page-blog-text-main);
  margin-bottom: 25px;
}

.page-blog__cta-description {
  font-size: 1.1rem;
  color: var(--page-blog-text-secondary);
  line-height: 1.6;
  margin-bottom: 40px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-blog__section-title {
    font-size: 2.2rem;
  }

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

  .page-blog__hero-description {
    font-size: 1.1rem;
  }

  .page-blog__article-title {
    font-size: 1.3rem;
  }

  .page-blog__about-content {
    flex-direction: column;
  }

  .page-blog__about-image {
    width: 100%;
    max-width: 600px;
  }
}

@media (max-width: 768px) {
  .page-blog__section {
    padding: 40px 0;
  }

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

  .page-blog__hero-section {
    padding: 10px 0 60px 0; /* Giữ padding-top nhỏ */
    min-height: 400px;
  }

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

  .page-blog__hero-description {
    font-size: 1rem;
  }

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

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

  .page-blog__category-image {
    height: 120px;
  }

  .page-blog__article-content,
  .page-blog__category-card {
    padding: 15px;
  }

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

  .page-blog__view-all-wrapper, .page-blog__cta-section {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-blog__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }

  .page-blog__faq-answer {
    padding: 0 20px 15px 20px;
  }

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

  .page-blog__hero-image-wrapper,
  .page-blog__article-card,
  .page-blog__category-card,
  .page-blog__about-image,
  .page-blog__cta-section,
  .page-blog__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  /* Ensure no image smaller than 200px */
  .page-blog__article-image,
  .page-blog__category-image {
    min-height: 200px; /* Override smaller values if any, to meet min size */
    height: auto; /* Ensure aspect ratio is maintained */
  }

  .page-blog__about-image {
    min-height: 250px;
  }

  .page-blog__about-content {
    gap: 20px;
  }

  .page-blog__cta-section {
    padding: 50px 15px;
  }
}

@media (max-width: 480px) {
  .page-blog__section-title {
    font-size: 1.8rem;
  }

  .page-blog__main-title {
    font-size: clamp(1.6rem, 7vw, 2.2rem);
  }

  .page-blog__btn-primary,
  .page-blog__btn-secondary {
    font-size: 0.95rem;
    padding: 10px 15px;
  }
}