/* style/index.css */

/* 🚨 Cần thiết để tạo khoảng trống cho thanh điều hướng cố định */
.page-index {
  padding-top: 0; /* HERO section nằm ở trên cùng, không cần padding-top cho main */
  color: var(--text-light); /* Màu chữ mặc định cho nền tối của body */
}

/* Các phần có padding mặc định */
.page-index__section-padding {
  padding: 80px 20px;
}

@media (max-width: 768px) {
  .page-index__section-padding {
    padding: 40px 15px;
  }
}

/* -------------------- HERO Section -------------------- */
.page-index__hero-section {
  position: relative;
  width: 100%;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  background-color: var(--primary-bg); /* Đảm bảo nền khớp nếu ảnh không load */
}

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

.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 (max-width: 768px) {
  .page-index__hero-section {
    padding-bottom: 0;
    padding-left: 0;
    padding-right: 0;
  }
  
  .page-index__hero-image img {
    width: 100%;
    height: auto;
  }
}

/* -------------------- Product Showcase Section -------------------- */
.page-index__products-section {
  width: 100%;
  padding: 60px 20px;
  background: var(--light-bg); /* Nền sáng để tương phản với các phần khác */
}

.page-index__products-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 4fr 2fr; /* Chia 4 phần cho small, 2 phần cho large */
  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%;
  border-radius: 8px;
  overflow: hidden;
  background: var(--card-bg-light); /* Nền trắng cho card sản phẩm */
  border: 3px solid var(--secondary-color); /* Viền vàng */
  box-shadow: var(--shadow-small);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index__product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-medium);
}

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

.page-index__product-card-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
}

.page-index__product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

@media (max-width: 1024px) {
  .page-index__products-container {
    grid-template-columns: 1fr; /* Stack grids vertically */
  }
  
  .page-index__products-grid {
    grid-template-columns: repeat(3, 1fr); /* 3 cột cho cả hai grid */
  }
}

@media (max-width: 768px) {
  .page-index__products-section {
    padding: 40px 15px;
  }
  
  .page-index__products-container {
    grid-template-columns: 1fr; /* Stack grids vertically */
    gap: 15px;
  }
  
  .page-index__products-grid--small {
    grid-template-columns: repeat(2, 1fr); /* 2x2 grid */
    gap: 15px;
  }
  
  .page-index__products-grid--small .page-index__product-card {
    aspect-ratio: 1 / 1; /* Square */
  }
  
  .page-index__products-grid--small .page-index__product-card-image {
    width: 100%;
    height: 100%;
    aspect-ratio: 1 / 1; /* Square */
  }
  
  .page-index__products-grid--large {
    grid-template-columns: 1fr; /* Each large card on its own line */
    gap: 15px;
  }
  
  .page-index__products-grid--large .page-index__product-card {
    aspect-ratio: 1 / 1; /* Square */
  }
  
  .page-index__products-grid--large .page-index__product-card-image {
    width: 100%;
    height: 100%;
    aspect-ratio: 1 / 1; /* Square */
  }
}

/* -------------------- General Content Styling -------------------- */
.page-index__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-index__heading-primary {
  font-size: 3.2em;
  color: var(--secondary-color); /* Tiêu đề chính dùng màu vàng */
  text-align: center;
  margin-bottom: 30px;
  line-height: 1.2;
  font-weight: 700;
}

.page-index__heading-secondary {
  font-size: 2.5em;
  color: var(--secondary-color); /* Tiêu đề phụ dùng màu vàng */
  text-align: center;
  margin-top: 50px;
  margin-bottom: 30px;
  line-height: 1.3;
  font-weight: 600;
}

.page-index__heading-tertiary {
  font-size: 1.8em;
  color: var(--primary-color-dark); /* Tiêu đề cấp 3 dùng màu xanh đậm */
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-index__text-content {
  font-size: 1.1em;
  line-height: 1.8;
  margin-bottom: 20px;
  color: var(--text-dark); /* Mặc định chữ tối */
  text-align: justify;
}

.page-index__dark-section .page-index__text-content {
  color: var(--text-light); /* Chữ sáng trên nền tối */
}

.page-index__text-small {
  font-size: 0.9em;
  color: var(--text-muted);
}

.page-index__list-benefits {
  list-style: none;
  padding: 0;
  margin: 30px 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.page-index__list-item {
  background: var(--card-bg-light);
  padding: 20px;
  border-radius: 8px;
  box-shadow: var(--shadow-small);
  color: var(--text-dark);
  font-size: 1.05em;
  line-height: 1.6;
  border-left: 5px solid var(--secondary-color);
}

.page-index__list-item strong {
  color: var(--primary-color-dark);
}

.page-index__call-to-action {
  text-align: center;
  margin-top: 40px;
  margin-bottom: 20px;
}

/* Buttons */
.page-index__btn-primary,
.page-index__btn-secondary,
.page-index__btn-text {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1.05em;
  cursor: pointer;
}

.page-index__btn-primary {
  background: var(--secondary-color);
  color: var(--primary-bg); /* Chữ tối trên nền vàng */
  border: 2px solid var(--secondary-color);
}

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

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

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

.page-index__btn-text {
  background: none;
  border: none;
  color: var(--secondary-color);
  padding: 0;
  text-decoration: underline;
}

.page-index__btn-text:hover {
  color: var(--secondary-color-dark);
}

/* -------------------- Dark Section Styling -------------------- */
.page-index__dark-section {
  background: var(--primary-bg);
  color: var(--text-light);
}

.page-index__dark-section .page-index__heading-secondary {
  color: var(--secondary-color);
}

.page-index__dark-section .page-index__text-content a {
  color: var(--secondary-color);
  text-decoration: underline;
}

.page-index__dark-section .page-index__text-content a:hover {
  color: var(--secondary-color-dark);
}

/* -------------------- Quick Access Section -------------------- */
.page-index__quick-links-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.page-index__quick-links-grid .page-index__btn-primary,
.page-index__quick-links-grid .page-index__btn-secondary {
  width: 100%;
  text-align: center;
  padding: 15px 25px;
}

/* -------------------- Games Section -------------------- */
.page-index__game-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-index__game-card {
  background: var(--card-bg-light);
  border-radius: 10px;
  box-shadow: var(--shadow-medium);
  overflow: hidden;
  text-align: center;
  padding-bottom: 20px;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index__game-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-large);
}

.page-index__game-card-image {
  width: 100%;
  height: 200px; /* Cố định chiều cao cho ảnh */
  object-fit: cover;
  margin-bottom: 15px;
}

.page-index__game-card-title {
  font-size: 1.5em;
  color: var(--primary-color-dark);
  margin: 10px 15px;
  font-weight: 700;
}

.page-index__game-card-description {
  font-size: 1em;
  color: var(--text-dark);
  padding: 0 15px;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* -------------------- Promotions Section -------------------- */
.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: var(--card-bg-dark); /* Nền tối cho card khuyến mãi */
  border-radius: 10px;
  box-shadow: var(--shadow-medium);
  overflow: hidden;
  text-align: center;
  padding-bottom: 20px;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--text-light);
}

.page-index__promo-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-large);
}

.page-index__promo-card-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  margin-bottom: 15px;
}

.page-index__promo-card-title {
  font-size: 1.4em;
  color: var(--secondary-color);
  margin: 10px 15px;
  font-weight: 700;
}

.page-index__promo-card-description {
  font-size: 0.95em;
  color: var(--text-light);
  padding: 0 15px;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* -------------------- Security & Support Section -------------------- */
.page-index__info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-index__info-card {
  background: var(--card-bg-light);
  border-radius: 10px;
  box-shadow: var(--shadow-medium);
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--text-dark);
}

.page-index__info-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-large);
}

.page-index__info-card-title {
  font-size: 1.6em;
  color: var(--primary-color-dark);
  margin-bottom: 15px;
  font-weight: 700;
}

.page-index__info-card-description {
  font-size: 1em;
  line-height: 1.7;
  color: var(--text-dark);
}

/* -------------------- FAQ Section -------------------- */
.page-index__faq-list {
  margin-top: 40px;
}

.page-index__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  background: var(--card-bg-dark);
  box-shadow: var(--shadow-small);
}

.page-index__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: var(--primary-color-dark-light);
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-index__faq-question:hover {
  background: var(--primary-color-dark-hover);
  border-color: var(--border-dark-hover);
}

.page-index__faq-question:active {
  background: var(--primary-color-dark-active);
}

.page-index__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 1.2em;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none; /* Prevent h3 from blocking click event */
  color: var(--text-light);
}

.page-index__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
  color: var(--secondary-color);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* Prevent icon from blocking click event */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.page-index__faq-item.active .page-index__faq-toggle {
  color: var(--secondary-color-dark);
  transform: rotate(45deg); /* Thêm hiệu ứng xoay cho dấu + */
}

.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 25px;
  opacity: 0;
  color: var(--text-light);
  background: var(--primary-color-dark-light); /* Nền tối cho câu trả lời */
}

.page-index__faq-item.active .page-index__faq-answer {
  max-height: 2000px !important; /* Ensure it expands sufficiently */
  padding: 20px 25px !important;
  opacity: 1;
  background: var(--primary-color-dark-light);
  border-radius: 0 0 8px 8px;
}

.page-index__faq-answer p {
  margin-bottom: 0;
  color: var(--text-light);
}

.page-index__faq-answer a {
  color: var(--secondary-color);
  text-decoration: underline;
}

.page-index__faq-answer a:hover {
  color: var(--secondary-color-dark);
}

/* -------------------- Blog Section -------------------- */
.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: var(--card-bg-light);
  border-radius: 10px;
  box-shadow: var(--shadow-medium);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index__blog-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-large);
}

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

.page-index__blog-card-content {
  padding: 20px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.page-index__blog-card-title {
  font-size: 1.3em;
  color: var(--primary-color-dark);
  margin-top: 0;
  margin-bottom: 10px;
  font-weight: 700;
}

.page-index__blog-card-title a {
  color: inherit;
  text-decoration: none;
}

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

.page-index__blog-card-summary {
  font-size: 0.95em;
  color: var(--text-dark);
  line-height: 1.6;
  margin-bottom: 15px;
  flex-grow: 1;
}

.page-index__blog-card-date {
  font-size: 0.85em;
  color: var(--text-muted);
  text-align: right;
}

/* -------------------- Responsive Design -------------------- */
@media (max-width: 1024px) {
  .page-index__heading-primary {
    font-size: 2.8em;
  }
  .page-index__heading-secondary {
    font-size: 2.2em;
  }
  .page-index__game-categories,
  .page-index__promo-grid,
  .page-index__info-grid,
  .page-index__blog-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
  }
}

@media (max-width: 768px) {
  .page-index {
    font-size: 16px;
    line-height: 1.6;
  }
  .page-index__container {
    padding: 0 15px;
  }
  .page-index__heading-primary {
    font-size: 2.2em;
    margin-bottom: 20px;
  }
  .page-index__heading-secondary {
    font-size: 1.8em;
    margin-top: 40px;
    margin-bottom: 20px;
  }
  .page-index__heading-tertiary {
    font-size: 1.5em;
  }
  .page-index__text-content {
    font-size: 1em;
  }
  .page-index__list-benefits {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .page-index__quick-links-grid {
    grid-template-columns: 1fr;
    gap: 15px;
  }
  .page-index__game-categories,
  .page-index__promo-grid,
  .page-index__info-grid,
  .page-index__blog-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .page-index__faq-question {
    padding: 15px 20px;
  }
  .page-index__faq-question h3 {
    font-size: 1.1em;
  }
  .page-index__faq-toggle {
    font-size: 24px;
    width: 28px;
    height: 28px;
  }
  .page-index__faq-answer {
    padding: 0 20px;
  }
  .page-index__faq-item.active .page-index__faq-answer {
    padding: 15px 20px !important;
  }
  
  /* 🚨 Mobile image adaptation (Important!) */
  .page-index img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-index__section,
  .page-index__card,
  .page-index__container,
  .page-index__hero-section,
  .page-index__products-section,
  .page-index__introduction-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__game-card,
  .page-index__promo-card,
  .page-index__info-card,
  .page-index__blog-card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-index__hero-section, .page-index__products-section {
    padding-left: 0;
    padding-right: 0;
  }
  .page-index__products-section .page-index__container {
    padding-left: 15px;
    padding-right: 15px;
  }
}

@media (max-width: 480px) {
  .page-index__heading-primary {
    font-size: 1.8em;
  }
  .page-index__heading-secondary {
    font-size: 1.5em;
  }
  .page-index__btn-primary, .page-index__btn-secondary {
    font-size: 1em;
    padding: 10px 20px;
  }
  .page-index__game-card-title, .page-index__promo-card-title, .page-index__info-card-title {
    font-size: 1.2em;
  }
  .page-index__faq-question h3 {
    font-size: 1em;
  }
}