/* style/index.css */

/* Variables from prompt */
:root {
  --primary-color: #113B7A;
  --secondary-color: #1D5FD1;
  --button-gradient: linear-gradient(180deg, #2B73F6 0%, #1144A6 100%);
  --card-bg: #10233F;
  --text-main: #F3F8FF;
  --text-secondary: #AFC4E8;
  --border-color: #244D84;
  --glow-color: #4FA8FF;
  --gold-color: #F2C14E;
  --divider-color: #1B3357;
  --deep-navy: #08162B; /* Assuming this is the body background from shared.css */
}

/* General styles for the page content, assuming body has a dark background */
.page-index {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main); /* Light text for dark body background */
  background-color: transparent; /* Main content background will inherit from body or be set by sections */
}

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

.page-index__section-title {
  font-size: 2.5em;
  color: var(--text-main);
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-index__section-description {
  font-size: 1.1em;
  color: var(--text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
}

/* Dark background sections */
.page-index__dark-section {
  background-color: var(--card-bg); /* Using card background for dark sections */
  padding: 60px 0;
  border-bottom: 1px solid var(--divider-color);
}

/* Buttons */
.page-index__cta-button,
.page-index__btn-primary,
.page-index__btn-secondary {
  display: inline-block;
  padding: 15px 40px;
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  transition: all 0.3s ease;
  text-align: center;
  white-space: normal; /* Allow text to wrap */
  word-wrap: break-word; /* Break long words */
  max-width: 100%;
  box-sizing: border-box;
}

.page-index__cta-button,
.page-index__btn-primary {
  background: var(--button-gradient);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-index__cta-button:hover,
.page-index__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

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

.page-index__btn-secondary:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: #ffffff;
  transform: translateY(-2px);
}

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

/* HERO Chủ đề chính */
.page-index__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  /* ⚠️ 页头由 shared 的 body { padding-top: var(--header-offset); } 承担；此处仅用小额顶距，禁止 var(--header-offset) 以免双倍空白 */
  padding-top: 10px;
  background-color: var(--deep-navy); /* Match body background for seamless look */
}

.page-index__hero-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%; /* Ensure it takes full width for max-width to work */
}

.page-index__hero-image {
  width: 100%;
  margin-bottom: 30px;
}

.page-index__hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.page-index__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
}

.page-index__hero-content h1 {
  font-size: clamp(2em, 4vw, 3.5em); /* Responsive font size for H1 */
  color: var(--gold-color);
  margin-bottom: 20px;
  font-weight: 800;
  text-shadow: 0 2px 5px rgba(0,0,0,0.5);
}

.page-index__hero-content p {
  font-size: 1.2em;
  color: var(--text-main);
  max-width: 700px;
  margin: 0 auto 30px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* Giới thiệu trang chủ */
.page-index__intro-section {
  padding-top: 80px;
  padding-bottom: 80px;
}

.page-index__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-index__feature-item {
  background-color: var(--deep-navy);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
}

.page-index__feature-title {
  font-size: 1.6em;
  color: var(--gold-color);
  margin-bottom: 15px;
}

.page-index__feature-item p {
  font-size: 1em;
  color: var(--text-secondary);
}

/* Liên kết truy cập nhanh */
.page-index__quick-links-section {
  padding: 80px 0;
  background-color: var(--deep-navy); /* Dark background for this section */
  border-bottom: 1px solid var(--divider-color);
}

.page-index__link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin-top: 50px;
}

.page-index__quick-link-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: var(--card-bg);
  padding: 25px 30px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-main);
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-index__quick-link-card:hover {
  background-color: var(--primary-color);
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-index__quick-link-text {
  flex-grow: 1;
}

.page-index__quick-link-icon {
  font-size: 1.5em;
  margin-left: 15px;
  color: var(--gold-color);
}

/* Giới thiệu game/dịch vụ cốt lõi */
.page-index__games-section {
  padding-top: 80px;
  padding-bottom: 80px;
}

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

.page-index__game-category {
  background-color: var(--deep-navy);
  padding: 25px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-index__game-image {
  width: 100%;
  height: 200px; /* Fixed height for consistency */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-index__game-title {
  font-size: 1.5em;
  color: var(--gold-color);
  margin-bottom: 10px;
}

.page-index__game-category p {
  font-size: 0.95em;
  color: var(--text-secondary);
  margin-bottom: 20px;
  flex-grow: 1; /* Push button to bottom */
}

/* Ưu đãi & Khuyến mãi */
.page-index__promotions-section {
  padding: 80px 0;
  background-color: var(--deep-navy);
  border-bottom: 1px solid var(--divider-color);
}

.page-index__promo-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-index__promo-card {
  background-color: var(--card-bg);
  padding: 25px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  align-items: flex-start; /* Align text left */
}

.page-index__promo-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-index__promo-title {
  font-size: 1.4em;
  color: var(--gold-color);
  margin-bottom: 10px;
}

.page-index__promo-card p {
  font-size: 0.95em;
  color: var(--text-secondary);
  margin-bottom: 20px;
  flex-grow: 1;
  text-align: left; /* Ensure text alignment is left */
}

.page-index__promo-card .page-index__btn-primary {
  margin-top: auto; /* Push button to the bottom */
  align-self: center; /* Center the button */
  width: auto; /* Allow button to size based on content */
  padding: 10px 25px; /* Smaller padding for card buttons */
  font-size: 0.9em;
}

/* An toàn & Chăm sóc khách hàng */
.page-index__security-support-section {
  padding-top: 80px;
  padding-bottom: 80px;
}

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

.page-index__info-card {
  background-color: var(--deep-navy);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  text-align: center;
}

.page-index__info-title {
  font-size: 1.6em;
  color: var(--gold-color);
  margin-bottom: 15px;
}

.page-index__info-card p {
  font-size: 1em;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.page-index__contact-methods {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

.page-index__contact-methods .page-index__btn-secondary {
  padding: 10px 20px;
  font-size: 0.9em;
}

/* Câu hỏi thường gặp (FAQ) */
.page-index__faq-section {
  padding: 80px 0;
  background-color: var(--deep-navy);
  border-bottom: 1px solid var(--divider-color);
}

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

details.page-index__faq-item {
  margin-bottom: 15px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  overflow: hidden;
  background: var(--card-bg);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}
details.page-index__faq-item summary.page-index__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}
details.page-index__faq-item summary.page-index__faq-question::-webkit-details-marker {
  display: none;
}
details.page-index__faq-item summary.page-index__faq-question:hover {
  background: var(--primary-color);
}
.page-index__faq-qtext {
  flex: 1;
  font-size: 1.1em;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-main);
}
.page-index__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--gold-color);
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}
details.page-index__faq-item .page-index__faq-answer {
  padding: 0 25px 25px;
  background: var(--deep-navy);
  border-radius: 0 0 12px 12px;
}
details.page-index__faq-item .page-index__faq-answer p {
  font-size: 1em;
  color: var(--text-secondary);
  margin: 0;
}


/* Nội dung blog mới nhất */
.page-index__blog-section {
  padding-top: 80px;
  padding-bottom: 80px;
}

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

.page-index__blog-card {
  display: flex;
  flex-direction: column;
  background-color: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border-color);
  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, 0.4);
}

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

.page-index__blog-content {
  padding: 25px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-index__blog-title {
  font-size: 1.3em;
  color: var(--gold-color);
  margin-bottom: 10px;
  line-height: 1.3;
}

.page-index__blog-meta {
  font-size: 0.85em;
  color: var(--text-secondary);
  margin-bottom: 15px;
}

.page-index__blog-summary {
  font-size: 0.95em;
  color: var(--text-main);
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-index__read-more {
  color: var(--secondary-color);
  font-weight: bold;
  display: block;
  margin-top: auto;
}

.page-index__view-all-posts {
  text-align: center;
  margin-top: 50px;
}

.page-index__view-all-posts .page-index__btn-primary {
  padding: 12px 30px;
  font-size: 1em;
}


/* ⚠️ 响应式设计 */
@media (max-width: 1024px) {
  .page-index__section-title {
    font-size: 2em;
  }
  .page-index__section-description {
    font-size: 1em;
  }
  .page-index__hero-content h1 {
    font-size: clamp(1.8em, 5vw, 3em);
  }
  .page-index__hero-content p {
    font-size: 1.1em;
  }
}

@media (max-width: 768px) {
  /* ⚠️ 移动端强制适配 */
  .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;
  }
  
  .page-index__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
  }
  
  .page-index__hero-image img {
    border-radius: 8px;
  }
  
  .page-index__hero-content h1 {
    font-size: clamp(1.5em, 6vw, 2.5em);
  }
  .page-index__hero-content p {
    font-size: 1em;
  }

  .page-index__cta-button,
  .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;
    margin-bottom: 10px; /* Add some spacing for stacked buttons */
  }
  
  .page-index__cta-buttons,
  .page-index__button-group,
  .page-index__btn-container,
  .page-index__contact-methods { /* Apply to contact methods too */
    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;
  }
  
  .page-index__section-title {
    font-size: 1.8em;
  }
  .page-index__section-description {
    font-size: 0.95em;
  }

  .page-index__features-grid,
  .page-index__link-grid,
  .page-index__game-categories,
  .page-index__promo-cards,
  .page-index__security-support-grid,
  .page-index__blog-cards {
    grid-template-columns: 1fr; /* Single column layout for grids */
    gap: 20px;
  }

  .page-index__feature-item,
  .page-index__quick-link-card,
  .page-index__game-category,
  .page-index__promo-card,
  .page-index__info-card,
  .page-index__blog-card {
    padding: 20px;
  }
  
  .page-index__game-image,
  .page-index__promo-image,
  .page-index__blog-image {
    height: 180px; /* Adjust image height for mobile */
  }

  details.page-index__faq-item summary.page-index__faq-question { padding: 15px; }
  .page-index__faq-qtext { font-size: 1em; }
  details.page-index__faq-item .page-index__faq-answer { padding: 0 15px 15px; }

  .page-index__blog-title {
    font-size: 1.2em;
  }
  .page-index__blog-summary {
    font-size: 0.9em;
  }
}