/* Biến màu */
:root {
  --color-primary: #11A84E;
  --color-secondary: #22C768;
  --color-button-gradient-start: #2AD16F;
  --color-button-gradient-end: #13994A;
  --color-card-bg: #11271B;
  --color-background-main: #08160F;
  --color-text-main: #F2FFF6;
  --color-text-secondary: #A7D9B8;
  --color-border: #2E7A4E;
  --color-glow: #57E38D;
  --color-gold: #F2C14E;
  --color-divider: #1E3A2A;
  --color-deep-green: #0A4B2C;
}

/* Thiết lập chung cho trang blog */
.page-blog {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--color-text-main); /* Mặc định chữ sáng trên nền tối */
  background-color: var(--color-background-main);
}

.page-blog__section {
  padding: 40px 0;
  margin-bottom: 20px;
  box-sizing: border-box;
}

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

/* Nền sáng và nền tối */
.page-blog__light-bg {
  background-color: #f8f8f8;
  color: #333333;
}

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

/* Tiêu đề chính */
.page-blog__main-title {
  font-size: clamp(2.2em, 4vw, 3.5em);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 20px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

/* Mô tả chính */
.page-blog__description {
  font-size: clamp(1em, 1.5vw, 1.2em);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Tiêu đề phần */
.page-blog__section-title {
  font-size: clamp(1.8em, 3vw, 2.8em);
  font-weight: 700;
  color: var(--color-text-main);
  text-align: center;
  margin-bottom: 30px;
  position: relative;
  padding-bottom: 15px;
}

.page-blog__section-title.page-blog__light-bg .page-blog__section-title {
    color: #333333;
}

.page-blog__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: var(--color-gold);
  border-radius: 2px;
}

/* Tiêu đề phụ */
.page-blog__sub-title {
  font-size: clamp(1.4em, 2.5vw, 2em);
  font-weight: 600;
  color: var(--color-gold);
  margin-top: 30px;
  margin-bottom: 15px;
  text-align: left;
}

.page-blog__light-bg .page-blog__sub-title {
    color: var(--color-primary);
}

/* Khối văn bản */
.page-blog__text-block {
  margin-bottom: 15px;
  font-size: 1.1em;
  line-height: 1.7;
  color: var(--color-text-main);
}

.page-blog__light-bg .page-blog__text-block {
    color: #333333;
}

.page-blog__text-block strong {
    color: var(--color-gold);
}

.page-blog__light-bg .page-blog__text-block strong {
    color: var(--color-primary);
}

/* Danh sách */
.page-blog ol,
.page-blog ul {
  margin-left: 20px;
  margin-bottom: 15px;
  color: var(--color-text-main);
}

.page-blog__light-bg .page-blog ol,
.page-blog__light-bg .page-blog ul {
    color: #333333;
}

.page-blog ol li,
.page-blog ul li {
  margin-bottom: 8px;
  font-size: 1.05em;
  line-height: 1.6;
}

/* Hình ảnh trong bài viết */
.page-blog__article-figure {
  margin: 25px auto;
  text-align: center;
  max-width: 1000px;
}

.page-blog__article-figure img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  min-width: 200px;
  min-height: 200px;
  object-fit: cover;
}

/* Nút CTA */
.page-blog__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.page-blog__btn-primary,
.page-blog__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  text-align: center;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 300px;
}

.page-blog__btn-primary {
  background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-blog__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(var(--color-button-gradient-start-rgb, 42, 209, 111), 0.4);
}

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

.page-blog__btn-secondary:hover {
  background: var(--color-primary);
  color: #ffffff;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(var(--color-primary-rgb, 17, 168, 78), 0.2);
}

.page-blog__btn-center {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/* Vùng HERO */
.page-blog__hero-section {
  position: relative;
  padding-top: 10px; /* Chỉ 10px nếu body đã có padding-top */
  padding-bottom: 60px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-blog__hero-image {
  width: 100%;
  position: relative;
  z-index: 1;
  margin-bottom: 30px;
}

.page-blog__hero-image img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 0 0 15px 15px;
  min-width: 200px;
  min-height: 200px;
}

.page-blog__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
  padding: 0 20px;
  text-align: center;
}

/* Vùng bài viết chính */
.page-blog__article-body {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
  background-color: var(--color-card-bg);
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  color: var(--color-text-main);
}

.page-blog__light-bg .page-blog__article-body {
    background-color: #ffffff;
    color: #333333;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* FAQ Section */
details.page-blog__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  background: var(--color-card-bg);
  color: var(--color-text-main);
}
details.page-blog__faq-item summary.page-blog__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}
details.page-blog__faq-item summary.page-blog__faq-question::-webkit-details-marker {
  display: none;
}
details.page-blog__faq-item summary.page-blog__faq-question:hover {
  background: var(--color-deep-green);
}
.page-blog__faq-qtext {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--color-text-main);
}
.page-blog__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--color-gold);
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-blog__faq-item .page-blog__faq-answer {
  padding: 0 20px 20px;
  background: var(--color-deep-green);
  border-radius: 0 0 5px 5px;
  color: var(--color-text-secondary);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-blog__container {
    padding: 0 15px;
  }

  .page-blog__hero-image img {
    object-fit: contain !important;
    aspect-ratio: unset !important;
  }
}

@media (max-width: 768px) {
  .page-blog__section {
    padding: 30px 0;
  }

  .page-blog__hero-section {
    padding-top: 10px; /* Đảm bảo không bị lặp padding-top nếu body đã có */
    padding-bottom: 40px;
  }

  .page-blog__hero-image {
    margin-bottom: 20px;
  }

  .page-blog__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
    margin-bottom: 15px;
  }

  .page-blog__description {
    font-size: clamp(0.9em, 3.5vw, 1.1em);
    margin-bottom: 20px;
  }

  .page-blog__section-title {
    font-size: clamp(1.5em, 6vw, 2em);
    margin-bottom: 20px;
    padding-bottom: 10px;
  }

  .page-blog__sub-title {
    font-size: clamp(1.2em, 5vw, 1.6em);
    margin-top: 25px;
    margin-bottom: 10px;
  }

  .page-blog__text-block {
    font-size: 1em;
    margin-bottom: 10px;
  }

  .page-blog ol,
  .page-blog ul {
    margin-left: 15px;
    margin-bottom: 10px;
  }

  .page-blog ol li,
  .page-blog ul li {
    font-size: 0.95em;
    margin-bottom: 5px;
  }

  .page-blog__article-figure {
    margin: 20px auto;
  }

  .page-blog__article-figure img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px !important;
    min-height: 200px !important;
  }

  .page-blog__cta-buttons {
    flex-direction: column;
    gap: 15px;
    margin-top: 25px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-blog__btn-primary,
  .page-blog__btn-secondary,
  .page-blog a[class*="button"],
  .page-blog a[class*="btn"] {
    padding: 12px 20px;
    font-size: 1em;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

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

  details.page-blog__faq-item summary.page-blog__faq-question {
    padding: 15px;
  }
  .page-blog__faq-qtext {
    font-size: 15px;
  }
  details.page-blog__faq-item .page-blog__faq-answer {
    padding: 0 15px 15px;
  }

  .page-blog img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-blog__section,
  .page-blog__card,
  .page-blog__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .page-blog__hero-image img {
    object-fit: contain !important;
    aspect-ratio: unset !important;
  }
  
  /* Placeholder for products grid, if any. Not directly used on blog but required to be present. */
  .page-blog__products-grid {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 15px !important;
    overflow-x: hidden !important;
  }
  .page-blog__products-grid .page-blog__product-card:nth-child(n+3) {
    grid-column: span 1 !important;
  }

  .page-blog__section-title-wrap, /* Example for decorative title container */
  .page-blog__article-body {
    text-align: center;
    max-width: 100% !important;
    margin-left: auto;
    margin-right: auto;
  }
}