/* style/index.css */
:root {
  --page-primary-color: #FFD700;
  --page-secondary-color: #2C3E50;
  --page-text-light: #ffffff;
  --page-text-dark: #333333;
  --page-background-light: #f8f9fa;
  --page-background-dark: #1a1a1a;
}

.page-index {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--page-text-dark); /* Default text color for light background */
  background-color: var(--page-background-light);
}

.page-index__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

.page-index__section-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--page-secondary-color);
  text-align: center;
  margin-bottom: 20px;
}

.page-index__section-description {
  font-size: 18px;
  color: #666;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 50px;
}

/* Hero Section */
.page-index__hero-section {
  position: relative;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 0; /* shared 已给 body 留白时用 0；若 shared 未给 body 留白则改为 var(--header-offset, 120px) */
  margin-top: 0;
  overflow: hidden;
  width: 100%;
}

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

.page-index__hero-image {
  width: 100%;
  margin: 0;
  line-height: 0; /* Remove extra space below image */
}

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

/* Products Section */
.page-index__products-section {
  width: 100%;
  padding: 60px 20px;
  background: var(--page-background-light);
  box-sizing: border-box;
}

.page-index__products-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 4fr 2fr; /* 前4个占4列，后2个占2列 */
  gap: 20px;
}

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

.page-index__products-grid--small {
  grid-template-columns: repeat(4, 1fr);
}

.page-index__products-grid--large {
  grid-template-columns: repeat(2, 1fr);
}

.page-index__product-card {
  width: 100%;
  max-width: 300px; /* 🚨 最宽不超过300px */
  border-radius: 0; /* 禁止圆角，只展示图片 */
  overflow: hidden;
  background: transparent;
  box-shadow: none; /* 禁止投影/阴影 */
  transition: transform 0.3s ease;
}

.page-index__product-card:hover {
  transform: translateY(-5px); /* 仅允许轻微上移，禁止阴影 */
}

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

.page-index__product-card-image {
  width: 100%;
  max-width: 300px; /* 🚨 最宽不超过300px */
  overflow: hidden;
}

.page-index__product-card-image img {
  max-width: 100%;
  width: 100%;
  height: auto; /* 🚨 保持图片原始宽高比，禁止固定高度或 object-fit: cover 裁切 */
  display: block;
}

/* Intro Section */
.page-index__intro-section {
  padding: 80px 0;
  background-color: var(--page-background-light);
}

.page-index__intro-section .page-index__section-title {
  color: var(--page-secondary-color);
}

.page-index__intro-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-index__feature-item {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
}

.page-index__feature-title {
  font-size: 22px;
  color: var(--page-primary-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-index__feature-item p {
  font-size: 16px;
  color: #555;
}

/* Quick Links Section */
.page-index__quick-links-section {
  padding: 80px 0;
  background-color: var(--page-secondary-color);
  color: var(--page-text-light);
}

.page-index__quick-links-section .page-index__section-title,
.page-index__quick-links-section .page-index__section-description {
  color: var(--page-text-light);
}

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

.page-index__btn-primary,
.page-index__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 18px;
  transition: all 0.3s ease;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

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

.page-index__btn-primary:hover {
  background-color: darken(var(--page-primary-color), 10%);
  border-color: darken(var(--page-primary-color), 10%);
  color: var(--page-text-dark);
}

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

.page-index__btn-secondary:hover {
  background-color: var(--page-primary-color);
  color: var(--page-secondary-color);
}

/* Core Games Section */
.page-index__core-games-section {
  padding: 80px 0;
  background-color: var(--page-background-light);
}

.page-index__game-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-index__game-card {
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  overflow: hidden;
  text-align: center;
  transition: transform 0.3s ease;
}

.page-index__game-card:hover {
  transform: translateY(-5px);
}

.page-index__game-image {
  width: 100%;
  height: auto;
  display: block;
}

.page-index__game-title {
  font-size: 20px;
  font-weight: 700;
  margin: 20px 15px 10px;
}

.page-index__game-title a {
  color: var(--page-secondary-color);
  text-decoration: none;
}

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

.page-index__game-description {
  font-size: 15px;
  color: #666;
  padding: 0 15px 20px;
}

.page-index__btn-small {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--page-primary-color);
  color: var(--page-secondary-color);
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  margin-bottom: 20px;
  transition: background-color 0.3s ease;
}

.page-index__btn-small:hover {
  background-color: darken(var(--page-primary-color), 10%);
}

/* Promotions Section */
.page-index__promotions-section {
  padding: 80px 0;
  background-color: var(--page-secondary-color);
  color: var(--page-text-light);
}

.page-index__promotions-section .page-index__section-title,
.page-index__promotions-section .page-index__section-description {
  color: var(--page-text-light);
}

.page-index__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-index__promo-card {
  background-color: #3a506b; /* Slightly lighter dark blue */
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  text-align: center;
  transition: transform 0.3s ease;
}

.page-index__promo-card:hover {
  transform: translateY(-5px);
}

.page-index__promo-image {
  width: 100%;
  height: auto;
  display: block;
}

.page-index__promo-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--page-primary-color);
  margin: 20px 15px 10px;
}

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

.page-index__more-promos {
  text-align: center;
  margin-top: 50px;
}

/* Security & Support Section */
.page-index__security-support-section {
  padding: 80px 0;
  background-color: var(--page-background-light);
}

.page-index__security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-index__security-item {
  background-color: #ffffff;
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
}

.page-index__security-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  display: inline-block;
}

.page-index__security-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--page-secondary-color);
  margin-bottom: 10px;
}

.page-index__security-item p {
  font-size: 15px;
  color: #555;
}

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

/* FAQ Section */
.page-index__faq-section {
  padding: 80px 0;
  background-color: var(--page-secondary-color);
  color: var(--page-text-light);
}

.page-index__faq-section .page-index__section-title,
.page-index__faq-section .page-index__section-description {
  color: var(--page-text-light);
}

.page-index__faq-list {
  max-width: 900px;
  margin: 50px auto 0;
}

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

.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;
}

.page-index__faq-item.active .page-index__faq-answer {
  max-height: 2000px !important; /* 🚨 Sử dụng !important và giá trị đủ lớn */
  padding: 20px 15px !important;
  opacity: 1;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
  color: var(--page-text-dark);
}

.page-index__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: #ffffff;
  border: 1px solid #e0e0e0;
  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: #f5f5f5;
  border-color: #d0d0d0;
}

.page-index__faq-question:active {
  background: #eeeeee;
}

.page-index__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none;
  color: var(--page-secondary-color);
}

.page-index__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  color: var(--page-primary-color);
  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-item.active .page-index__faq-toggle {
  color: var(--page-secondary-color);
  transform: rotate(45deg);
}

/* Blog Section */
.page-index__blog-section {
  padding: 80px 0;
  background-color: var(--page-background-light);
}

.page-index__blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

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

.page-index__blog-card:hover {
  transform: translateY(-5px);
}

.page-index__blog-image {
  width: 100%;
  height: auto;
  display: block;
}

.page-index__blog-content {
  padding: 20px;
}

.page-index__blog-title {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 10px;
}

.page-index__blog-title a {
  color: var(--page-secondary-color);
  text-decoration: none;
}

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

.page-index__blog-summary {
  font-size: 15px;
  color: #666;
  margin-bottom: 20px;
}

.page-index__read-more {
  color: var(--page-primary-color);
  text-decoration: none;
  font-weight: 600;
}

.page-index__read-more:hover {
  text-decoration: underline;
}

.page-index__more-news {
  text-align: center;
  margin-top: 50px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-index__products-container {
    grid-template-columns: 1fr; /* Mobile: two grids vertically */
  }
  
  .page-index__products-grid--small {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .page-index__products-grid--large {
    grid-template-columns: repeat(1, 1fr);
  }

  .page-index__section-title {
    font-size: 30px;
  }

  .page-index__section-description {
    font-size: 16px;
  }

  .page-index__feature-title {
    font-size: 20px;
  }

  .page-index__game-title {
    font-size: 18px;
  }
}

@media (max-width: 768px) {
  .page-index {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-index__container {
    padding: 30px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important;
  }

  .page-index__hero-section {
    padding-top: 0 !important; /* shared đã xử lý padding-top cho body */
  }

  /* Products Section Mobile */
  .page-index__products-section {
    padding: 40px 15px;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
  }
  
  .page-index__products-container {
    grid-template-columns: 1fr;
    gap: 15px;
    width: 100%;
    max-width: 100%;
    overflow-x: hidden;
    box-sizing: border-box;
  }
  
  .page-index__products-grid--small {
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  
  .page-index__products-grid--small .page-index__product-card,
  .page-index__products-grid--small .page-index__product-card-image {
    max-width: 100%;
    width: 100%;
  }
  
  .page-index__products-grid--small .page-index__product-card-image img {
    max-width: 100%;
    width: 100%;
    height: auto;
  }
  
  .page-index__products-grid--large {
    grid-template-columns: 1fr;
    gap: 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  
  .page-index__products-grid--large .page-index__product-card,
  .page-index__products-grid--large .page-index__product-card-image {
    max-width: 100%;
    width: 100%;
  }
  
  .page-index__products-grid--large .page-index__product-card-image img {
    max-width: 100%;
    width: 100%;
    height: auto;
  }

  .page-index__section-title {
    font-size: 24px;
    margin-bottom: 15px;
  }

  .page-index__section-description {
    font-size: 14px;
    margin-bottom: 30px;
  }

  .page-index__feature-item,
  .page-index__game-card,
  .page-index__promo-card,
  .page-index__security-item,
  .page-index__blog-card {
    padding: 20px;
  }

  .page-index__feature-title {
    font-size: 18px;
  }

  .page-index__button-group {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
  }

  .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;
  }
  
  .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-wrap: wrap !important;
    gap: 10px;
  }

  .page-index__faq-question {
    padding: 15px;
    flex-wrap: wrap;
  }
  
  .page-index__faq-question h3 {
    font-size: 15px;
    margin-bottom: 0;
    width: calc(100% - 40px);
  }
  
  .page-index__faq-toggle {
    margin-left: 10px;
    width: 24px;
    height: 24px;
    font-size: 20px;
  }
  
  .page-index__faq-answer {
    padding: 0 15px;
  }
  
  .page-index__faq-item.active .page-index__faq-answer {
    padding: 15px !important;
  }

  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-index__section,
  .page-index__card,
  .page-index__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow-x: hidden;
  }
}

@media (max-width: 480px) {
  .page-index__products-grid--small {
    grid-template-columns: 1fr;
  }
}

/* Color Contrast Fixes */
.page-index__dark-bg {
  background-color: var(--page-secondary-color);
  color: var(--page-text-light);
}

.page-index__light-bg {
  background-color: var(--page-background-light);
  color: var(--page-text-dark);
}

.page-index__dark-bg .page-index__section-title,
.page-index__dark-bg .page-index__section-description,
.page-index__dark-bg .page-index__feature-title,
.page-index__dark-bg .page-index__promo-title,
.page-index__dark-bg .page-index__game-title a,
.page-index__dark-bg .page-index__faq-question h3 {
  color: var(--page-text-light);
}

.page-index__dark-bg .page-index__promo-card p,
.page-index__dark-bg .page-index__faq-answer p {
  color: #ccc;
}

.page-index__light-bg .page-index__section-title,
.page-index__light-bg .page-index__feature-title,
.page-index__light-bg .page-index__game-title a,
.page-index__light-bg .page-index__security-title,
.page-index__light-bg .page-index__blog-title a {
  color: var(--page-secondary-color);
}

.page-index__light-bg .page-index__section-description,
.page-index__light-bg .page-index__feature-item p,
.page-index__light-bg .page-index__game-description,
.page-index__light-bg .page-index__security-item p,
.page-index__light-bg .page-index__blog-summary {
  color: #666;
}