.page-index {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #ffffff; /* Body background is dark, so text is light */
  background-color: transparent; /* Main content background is transparent to show body bg */
}

.page-index__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.page-index__section-title {
  font-size: 36px;
  font-weight: bold;
  color: #017439;
  text-align: center;
  margin-bottom: 20px;
  padding-top: 20px;
}

.page-index__section-description {
  font-size: 18px;
  color: #f0f0f0;
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* HERO主图区域 */
.page-index__hero-section {
  position: relative;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0; /* shared đã cho body padding-top, nên hero dùng 0 */
  margin-top: 0;
  width: 100%;
  overflow: hidden;
}

.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;
}

/* Sản phẩm hiển thị khu vực */
.page-index__products-section {
  width: 100%;
  padding: 60px 20px;
  background: #0d0d0d; /* Slightly lighter dark background for contrast */
  box-sizing: border-box;
}

.page-index__products-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(6, 1fr); /* 6 columns for desktop */
  gap: 20px;
}

.page-index__products-grid {
  display: grid;
  gap: 20px;
}

.page-index__products-grid--small {
  grid-column: span 4; /* Occupies 4 columns on desktop */
  grid-template-columns: repeat(4, 1fr);
}

.page-index__products-grid--large {
  grid-column: span 2; /* Occupies 2 columns on desktop */
  grid-template-columns: repeat(2, 1fr);
}

.page-index__product-card {
  width: 100%;
  max-width: 300px; /* Max width for each card */
  border-radius: 0;
  overflow: hidden;
  background: transparent;
  box-shadow: none;
  transition: transform 0.3s ease;
  justify-self: center; /* Center cards in their grid cell */
}

.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; /* Maintain original aspect ratio */
  display: block;
}

/* Giới thiệu trang chủ */
.page-index__intro-section {
  padding: 80px 20px;
  background: #0a0a0a;
  color: #ffffff;
}

.page-index__intro-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-index__intro-item {
  background: rgba(255, 255, 255, 0.05);
  padding: 25px;
  border-radius: 8px;
  transition: background-color 0.3s ease;
}

.page-index__intro-item:hover {
  background: rgba(255, 255, 255, 0.1);
}

.page-index__intro-heading {
  font-size: 24px;
  color: #017439;
  margin-bottom: 15px;
}

.page-index__intro-text {
  font-size: 16px;
  color: #f0f0f0;
}

/* Truy cập nhanh */
.page-index__quick-access-section {
  padding: 80px 20px;
  background: #1a1a1a;
}

.page-index__access-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

.page-index__access-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  color: #ffffff;
  background: #017439;
  transition: background-color 0.3s ease, transform 0.3s ease;
  min-width: 180px;
  text-align: center;
}

.page-index__access-button:hover {
  background: #005a2d;
  transform: translateY(-2px);
}

.page-index__btn-register {
  background: #C30808;
  color: #FFFF00;
}

.page-index__btn-register:hover {
  background: #a30606;
}

.page-index__btn-login {
  background: #C30808;
  color: #FFFF00;
}

.page-index__btn-login:hover {
  background: #a30606;
}

/* Trò chơi chính */
.page-index__games-section {
  padding: 80px 20px;
  background: #0a0a0a;
  color: #ffffff;
}

.page-index__game-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-index__game-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

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

.page-index__game-card-title {
  font-size: 22px;
  color: #017439;
  padding: 20px 20px 10px;
}

.page-index__game-card-text {
  font-size: 15px;
  color: #f0f0f0;
  padding: 0 20px 20px;
}

.page-index__game-card-button {
  display: block;
  width: calc(100% - 40px);
  margin: 0 20px 20px;
  padding: 12px 20px;
  border-radius: 5px;
  text-align: center;
  font-size: 16px;
  font-weight: bold;
  text-decoration: none;
  background: #017439;
  color: #ffffff;
  transition: background-color 0.3s ease;
}

.page-index__game-card-button:hover {
  background: #005a2d;
}

/* Khuyến mãi */
.page-index__promotions-section {
  padding: 80px 20px;
  background: #1a1a1a;
}

.page-index__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-index__promo-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.page-index__promo-card-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  display: block;
}

.page-index__promo-card-title {
  font-size: 20px;
  color: #017439;
  padding: 15px 20px 5px;
}

.page-index__promo-card-text {
  font-size: 15px;
  color: #f0f0f0;
  padding: 0 20px 15px;
}

.page-index__promo-card-button {
  display: block;
  width: calc(100% - 40px);
  margin: 0 20px 20px;
  padding: 10px 20px;
  border-radius: 5px;
  text-align: center;
  font-size: 15px;
  font-weight: bold;
  text-decoration: none;
  background: #017439;
  color: #ffffff;
  transition: background-color 0.3s ease;
}

.page-index__promo-card-button:hover {
  background: #005a2d;
}

/* An toàn & hỗ trợ */
.page-index__security-support-section {
  padding: 80px 20px;
  background: #0a0a0a;
  color: #ffffff;
}

.page-index__security-support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-index__info-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 25px;
  border-radius: 8px;
  text-align: center;
}

.page-index__info-card-title {
  font-size: 22px;
  color: #017439;
  margin-bottom: 15px;
}

.page-index__info-card-text {
  font-size: 16px;
  color: #f0f0f0;
}

.page-index__support-cta {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 50px;
}

.page-index__support-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  transition: background-color 0.3s ease, transform 0.3s ease;
  min-width: 180px;
  text-align: center;
}

.page-index__btn-primary {
  background: #017439;
  color: #ffffff;
}

.page-index__btn-primary:hover {
  background: #005a2d;
  transform: translateY(-2px);
}

.page-index__btn-secondary {
  background: #ffffff;
  color: #017439;
  border: 2px solid #017439;
}

.page-index__btn-secondary:hover {
  background: #f0f0f0;
  transform: translateY(-2px);
}

/* FAQ */
.page-index__faq-section {
  padding: 80px 20px;
  background: #1a1a1a;
}

.page-index__faq-list {
  margin-top: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-index__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
}

.page-index__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 5px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-index__faq-question:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.25);
}

.page-index__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  color: #ffffff;
  pointer-events: none;
}

.page-index__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  color: #017439;
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.page-index__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
  padding: 0 15px;
  opacity: 0;
  background: rgba(255, 255, 255, 0.03);
  color: #f0f0f0;
}

.page-index__faq-item.active .page-index__faq-answer {
  max-height: 2000px !important;
  padding: 20px 15px !important;
  opacity: 1;
  border-radius: 0 0 5px 5px;
}

.page-index__faq-item.active .page-index__faq-toggle {
  color: #ffffff;
  transform: rotate(45deg); /* Changed from '-' to rotate '+' */
}

/* Blog */
.page-index__blog-section {
  padding: 80px 20px;
  background: #0a0a0a;
  color: #ffffff;
}

.page-index__blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-index__blog-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.page-index__blog-card-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.page-index__blog-card-title {
  font-size: 20px;
  padding: 15px 20px 5px;
}

.page-index__blog-card-title a {
  color: #017439;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-index__blog-card-title a:hover {
  color: #005a2d;
}

.page-index__blog-card-meta {
  font-size: 14px;
  color: #cccccc;
  padding: 0 20px;
  margin-bottom: 10px;
}

.page-index__blog-card-excerpt {
  font-size: 15px;
  color: #f0f0f0;
  padding: 0 20px 20px;
}

.page-index__blog-cta {
  text-align: center;
  margin-top: 50px;
}

.page-index__blog-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 50px;
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  background: #017439;
  color: #ffffff;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.page-index__blog-button:hover {
  background: #005a2d;
  transform: translateY(-2px);
}

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

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-index__section-title {
    font-size: 32px;
  }
  .page-index__section-description {
    font-size: 16px;
  }
  .page-index__products-container {
    grid-template-columns: 1fr; /* Stack product grids vertically */
  }
  .page-index__products-grid--small {
    grid-column: span 1; /* Take full width of its container */
    grid-template-columns: repeat(3, 1fr); /* 3 columns on tablet */
  }
  .page-index__products-grid--large {
    grid-column: span 1; /* Take full width of its container */
    grid-template-columns: repeat(2, 1fr); /* 2 columns on tablet */
  }
  .page-index__intro-content,
  .page-index__game-categories,
  .page-index__promo-grid,
  .page-index__security-support-grid,
  .page-index__blog-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
  }
  .page-index__access-button, .page-index__support-button, .page-index__blog-button {
    padding: 12px 25px;
    font-size: 16px;
    min-width: 160px;
  }
  .page-index__faq-question h3 {
    font-size: 17px;
  }
}

@media (max-width: 768px) {
  /* HERO主图区域 */
  .page-index__hero-section {
    padding-top: 0 !important; /* shared đã cho body padding-top, hero dùng 0 */
  }
  .page-index__hero-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* Sản phẩm hiển thị khu vực */
  .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 {
    grid-template-columns: 1fr !important;
    gap: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }
  .page-index__products-grid--small {
    grid-template-columns: repeat(2, 1fr) !important; /* 2x2 grid for first 4 */
    gap: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-index__products-grid--small .page-index__product-card,
  .page-index__products-grid--small .page-index__product-card-image {
    max-width: 100% !important; /* Take full width of grid cell */
  }
  .page-index__products-grid--small .page-index__product-card-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-index__products-grid--large {
    grid-template-columns: 1fr !important; /* 1 column for last 2 */
    gap: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-index__products-grid--large .page-index__product-card,
  .page-index__products-grid--large .page-index__product-card-image {
    max-width: 100% !important; /* Take full width of grid cell */
  }
  .page-index__products-grid--large .page-index__product-card-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* General image and container responsiveness */
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-index__container,
  .page-index__intro-section,
  .page-index__quick-access-section,
  .page-index__games-section,
  .page-index__promotions-section,
  .page-index__security-support-section,
  .page-index__faq-section,
  .page-index__blog-section,
  .page-index__intro-content,
  .page-index__game-categories,
  .page-index__promo-grid,
  .page-index__security-support-grid,
  .page-index__blog-grid,
  .page-index__access-links,
  .page-index__support-cta,
  .page-index__blog-cta {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  /* Buttons responsiveness */
  .page-index__access-button,
  .page-index__support-button,
  .page-index__game-card-button,
  .page-index__promo-card-button,
  .page-index__blog-button,
  .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;
  }
  .page-index__access-links,
  .page-index__support-cta {
    flex-direction: column !important; /* Stack buttons vertically */
    gap: 15px !important;
  }

  /* Other content modules */
  .page-index__section-title {
    font-size: 28px;
  }
  .page-index__section-description {
    font-size: 15px;
  }
  .page-index__intro-heading,
  .page-index__info-card-title,
  .page-index__game-card-title,
  .page-index__promo-card-title,
  .page-index__blog-card-title {
    font-size: 20px;
  }
  .page-index__intro-text,
  .page-index__info-card-text,
  .page-index__game-card-text,
  .page-index__promo-card-text,
  .page-index__blog-card-excerpt {
    font-size: 14px;
  }
  .page-index__faq-question {
    padding: 15px !important;
    flex-wrap: wrap;
  }
  .page-index__faq-question h3 {
    font-size: 15px !important;
    margin-bottom: 0 !important;
    width: calc(100% - 40px) !important;
  }
  .page-index__faq-toggle {
    margin-left: 10px !important;
    width: 24px !important;
    height: 24px !important;
    font-size: 20px !important;
  }
  .page-index__faq-answer {
    padding: 0 15px !important;
  }
  .page-index__faq-item.active .page-index__faq-answer {
    padding: 15px !important;
  }
}