:root {
  --main-color: #113B7A;
  --secondary-color: #1D5FD1;
  --text-main: #F3F8FF;
  --text-secondary: #AFC4E8;
  --card-bg: #10233F;
  --button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  --border-color: #244D84;
  --divider-color: #1B3357;
  --deep-navy: #08162B;
  --gold-color: #F2C14E;
  --glow-color: #4FA8FF;
}

.page-index {
  color: var(--text-main);
  background-color: var(--deep-navy);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

/* HERO主图区域样式 */
.page-index__hero-section {
  position: relative;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 10px; /* shared đã cho body padding-top, nên chỉ cần 10px */
  margin-top: 0;
  width: 100%;
  box-sizing: border-box;
}

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

.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;
}

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

@media (max-width: 849px) {
  .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;
    max-height: none !important;
    display: block !important;
  }
}

@media (max-width: 768px) {
  .page-index__hero-section {
    padding-bottom: 0;
    padding-left: 0;
    padding-right: 0;
    padding-top: 10px !important;
    margin-top: 0;
  }
}

/* Sản phẩm hiển thị khu vực */
.page-index__products-section {
  width: 100%;
  padding: 60px 20px;
  box-sizing: border-box;
  background-color: var(--deep-navy);
}

.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 cột một hàng */
  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;
  border-radius: 0;
  box-shadow: none;
}

@media (max-width: 768px) {
  .page-index__products-section {
    padding: 40px 15px;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
  }
  .page-index__products-container,
  .page-index__products-grid {
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
  }
  .page-index__products-grid {
    grid-template-columns: repeat(2, 1fr); /* Mobile: 2 cột x 3 hàng */
    gap: 15px;
  }
  .page-index__product-card,
  .page-index__product-card-image {
    max-width: 100%;
  }
}

/* Tiêu đề chính trang trí giữa */
.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;
  color: var(--text-main);
  background-color: var(--deep-navy);
}
.page-index__section-title {
  margin: 0;
  font-size: clamp(1.1rem, 4.5vw, 1.75rem);
  line-height: 1.35;
  font-weight: bold;
  color: var(--gold-color);
}
.page-index__section-title-line {
  flex: 1;
  max-width: 80px;
  height: 2px;
  opacity: 0.6;
  background-color: var(--divider-color);
}
@media (max-width: 768px) {
  .page-index__section-title-line { max-width: 40px; }
  .page-index__section-title-wrap { padding: 20px 10px; }
}

/* Nội dung SEO dài */
.page-index__article-body {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 12px 48px;
  box-sizing: border-box;
  overflow-x: hidden;
  color: var(--text-secondary);
  background-color: var(--deep-navy);
}
.page-index__article-body h2 {
  margin: 2rem 0 1rem;
  font-size: clamp(1.5rem, 5vw, 2rem);
  color: var(--text-main);
  font-weight: bold;
}
.page-index__article-body h3 {
  margin: 1.25rem 0 0.75rem;
  font-size: clamp(1.1rem, 4vw, 1.35rem);
  color: var(--text-main);
  font-weight: 600;
}
.page-index__article-body p {
  margin-bottom: 1rem;
  font-size: 1rem;
}
.page-index__article-body ul {
  list-style-type: disc;
  margin-left: 20px;
  margin-bottom: 1rem;
}
.page-index__article-body li {
  margin-bottom: 0.5rem;
  font-size: 1rem;
}
.page-index__article-body a {
  color: var(--secondary-color);
  text-decoration: none;
}
.page-index__article-body a:hover {
  text-decoration: underline;
}
.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;
  object-fit: cover;
}
.page-index__article-figure figcaption {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-top: 0.5rem;
}
.page-index__article-quote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--gold-color);
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 4px;
  color: var(--text-main);
  font-style: italic;
}

@media (max-width: 768px) {
  .page-index__article-body {
    padding: 0 12px 32px;
    font-size: 16px;
    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);
  }
  .page-index__article-body h3 {
    font-size: clamp(1rem, 4.5vw, 1.25rem);
  }
  .page-index__article-figure {
    max-width: 100%;
  }
  .page-index__article-figure img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-index__article-quote {
    padding: 0.8rem 1rem;
  }
  .page-index p, .page-index li {
    font-size: 15px;
  }
}

/* Buttons */
.page-index__btn-primary,
.page-index__btn-secondary {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  text-align: center;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-index__btn-primary {
  background: var(--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(--gold-color);
  border: 2px solid var(--gold-color);
}

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

.page-index__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 30px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* General image responsive styles */
.page-index img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile responsive for all elements */
@media (max-width: 768px) {
  .page-index {
    font-size: 16px;
    line-height: 1.6;
  }

  /* General image adaptation for mobile */
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* General container adaptation for mobile */
  .page-index__section,
  .page-index__card,
  .page-index__container,
  .page-index__products-section,
  .page-index__products-container,
  .page-index__products-grid {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Button responsive for mobile */
  .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;
    padding-right: 15px;
  }

  /* Button container responsive for mobile */
  .page-index__cta-buttons,
  .page-index__button-group,
  .page-index__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-direction: column !important; /* Stack buttons vertically */
    gap: 10px;
  }
}