/* CSS cho trang chủ (index.css) */

/* Các biến màu tùy chỉnh */
:root {
  --page-index-primary-color: #113B7A;
  --page-index-secondary-color: #1D5FD1;
  --page-index-button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  --page-index-card-bg: #10233F;
  --page-index-text-main: #F3F8FF;
  --page-index-text-secondary: #AFC4E8;
  --page-index-border-color: #244D84;
  --page-index-glow-color: #4FA8FF;
  --page-index-gold-color: #F2C14E;
  --page-index-divider-color: #1B3357;
  --page-index-deep-navy: #08162B; /* Body background from shared.css */
}

/* Đảm bảo màu chữ mặc định phù hợp với nền body tối */
.page-index {
  color: var(--page-index-text-main);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

/* HERO Section */
.page-index__hero-section {
  position: relative;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 10px; /* shared đã cấp padding-top cho body */
  margin-top: 0;
  width: 100%;
  box-sizing: border-box;
}

.page-index__hero-container {
  position: relative;
  margin: 0 auto;
  width: 100%;
  max-width: 100%;
  overflow: hidden;
}

.page-index__hero-image {
  width: 100%;
  margin: 0;
}

.page-index__hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  object-fit: cover; /* Desktop: cover */
}

@media (min-width: 850px) {
  .page-index__hero-image img {
    aspect-ratio: 16/5;
  }
}

/* PRODUCTS Section */
.page-index__products-section {
  width: 100%;
  padding: 60px 20px;
  box-sizing: border-box;
  background-color: var(--page-index-deep-navy); /* Match body background for seamless transition */
}

.page-index__products-container {
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
}

.page-index__products-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(6, 1fr); /* Desktop: 6 columns */
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.page-index__product-card {
  width: 100%;
  max-width: 300px;
  border-radius: 0;
  overflow: hidden;
  background: transparent;
  box-shadow: none;
  transition: transform 0.3s ease;
}

.page-index__product-card:hover {
  transform: translateY(-3px);
}

.page-index__product-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.page-index__product-card-image {
  width: 100%;
  max-width: 300px;
  overflow: hidden;
}

.page-index__product-card-image img {
  max-width: 100%;
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain; /* Ensure original aspect ratio */
}

/* SECTION TITLE (H1) */
.page-index__section-title-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: 100%;
  max-width: 100%;
  padding: 24px 12px;
  box-sizing: border-box;
  text-align: center;
  background-color: var(--page-index-deep-navy);
}

.page-index__section-title {
  margin: 0;
  font-size: clamp(1.1rem, 4.5vw, 1.75rem);
  line-height: 1.35;
  color: var(--page-index-gold-color); /* Sử dụng màu vàng cho tiêu đề chính */
  font-weight: bold;
}

.page-index__section-title-line {
  flex: 1;
  max-width: 80px;
  height: 2px;
  background-color: var(--page-index-divider-color);
  opacity: 0.6;
}

/* ARTICLE BODY (SEO Content) */
.page-index__article-body {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 12px 48px;
  box-sizing: border-box;
  overflow-x: hidden;
  background-color: var(--page-index-deep-navy);
  color: var(--page-index-text-main);
}

.page-index__article-body h2 {
  margin: 2rem 0 1rem;
  color: var(--page-index-gold-color);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: bold;
}

.page-index__article-body h3 {
  margin: 1.25rem 0 0.75rem;
  color: var(--page-index-text-main);
  font-size: clamp(1.1rem, 3.5vw, 1.6rem);
  font-weight: 600;
}

.page-index__article-body p {
  margin-bottom: 1rem;
  color: var(--page-index-text-secondary);
}

.page-index__article-body ul {
  list-style-type: disc;
  margin-left: 20px;
  margin-bottom: 1rem;
  color: var(--page-index-text-secondary);
}

.page-index__article-body li {
  margin-bottom: 0.5rem;
}

.page-index__article-figure {
  margin: 1.5rem auto;
  max-width: 800px;
  text-align: center;
}

.page-index__article-figure img {
  width: 100%;
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 8px; /* Slight round for aesthetics */
}

.page-index__article-figure figcaption {
  margin-top: 0.5rem;
  font-size: 0.9em;
  color: var(--page-index-text-secondary);
}

.page-index__article-quote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--page-index-glow-color);
  background-color: var(--page-index-card-bg);
  color: var(--page-index-text-main);
  font-style: italic;
  border-radius: 4px;
}

.page-index__article-quote-link {
  color: var(--page-index-glow-color);
  text-decoration: none;
}

.page-index__article-quote-link:hover {
  text-decoration: underline;
}

/* CTA Buttons at the bottom of the article */
.page-index__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 3rem;
  flex-wrap: wrap;
}

.page-index__btn-primary,
.page-index__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  cursor: pointer;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

.page-index__btn-primary {
  background: var(--page-index-button-gradient);
  color: #ffffff;
  border: none;
}

.page-index__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.page-index__btn-secondary {
  background: transparent;
  color: var(--page-index-glow-color);
  border: 2px solid var(--page-index-glow-color);
}

.page-index__btn-secondary:hover {
  background: var(--page-index-glow-color);
  color: var(--page-index-deep-navy);
  transform: translateY(-2px);
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-index__products-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 849px) {
  /* HERO section for mobile to prevent cropping */
  .page-index__hero-section {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
  }
  .page-index__hero-image img {
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    aspect-ratio: unset !important;
    object-fit: contain !important; /* Mobile: contain */
    max-height: none !important;
    display: block !important;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-index__hero-section {
    padding-top: 10px !important; /* Ensure small top padding */
    padding-left: 0 !important;
    padding-right: 0 !important;
  }

  /* 产品展示图区域 */
  .page-index__products-section {
    padding: 40px 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }
  .page-index__products-container,
  .page-index__products-grid {
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }
  .page-index__products-grid {
    grid-template-columns: repeat(2, 1fr) !important; /* Mobile: 2 columns */
    gap: 15px !important;
  }
  .page-index__product-card,
  .page-index__product-card-image {
    max-width: 100% !important;
  }

  /* 装饰主标题 + 长文 SEO 区 */
  .page-index__section-title-wrap {
    padding: 20px 10px !important;
    flex-direction: row; /* Keep lines on sides */
    gap: 10px;
  }
  .page-index__section-title {
    font-size: clamp(1rem, 5vw, 1.5rem) !important;
    line-height: 1.4 !important;
  }
  .page-index__section-title-line {
    max-width: 40px !important;
    height: 1px !important;
  }

  .page-index__article-body {
    padding: 0 15px 32px !important;
    font-size: 16px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }
  .page-index__article-body h2 {
    font-size: clamp(1.25rem, 5vw, 1.5rem) !important;
    margin: 1.5rem 0 0.8rem !important;
  }
  .page-index__article-body h3 {
    font-size: clamp(1rem, 4.5vw, 1.2rem) !important;
    margin: 1rem 0 0.6rem !important;
  }
  .page-index__article-figure {
    margin: 1rem auto !important;
  }
  .page-index__article-figure img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-index__article-quote {
    margin: 1rem 0 !important;
    padding: 0.8rem 1rem !important;
  }
  .page-index__article-body p,
  .page-index__article-body ul,
  .page-index__article-body li {
    font-size: 15px !important;
  }

  /* 通用图片与容器 */
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-index__section,
  .page-index__card,
  .page-index__container,
  .page-index__products-section,
  .page-index__products-container,
  .page-index__products-grid,
  .page-index__article-body,
  .page-index__section-title-wrap {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    /* padding-left: 15px; padding-right: 15px; - already handled by individual sections */
  }

  /* 按钮与按钮容器 */
  .page-index__cta-buttons {
    flex-direction: column !important; /* Stack buttons vertically */
    gap: 15px !important;
    padding: 0 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .page-index__btn-primary,
  .page-index__btn-secondary,
  .page-index a[class*="button"],
  .page-index 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 !important;
    padding-right: 15px !important;
  }
}