.page-index {
  font-family: 'Arial', sans-serif;
  color: #E0E0E0; /* Màu chữ sáng trên nền tối */
  background-color: #051A44; /* Nền tối hơn so với chủ đạo để tạo độ sâu */
}

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

.page-index__hero {
  background: linear-gradient(135deg, #0A2463 0%, #051A44 100%); /* Gradient từ chủ đạo sang tối hơn */
  padding: 100px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
  color: #FFFFFF;
  text-align: center;
}

.page-index__hero-content {
  max-width: 600px;
  text-align: left;
}

.page-index__hero-title {
  font-size: 3.5em;
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: bold;
  color: #FFD700; /* Tiêu đề chính dùng màu vàng nổi bật */
}

.page-index__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  line-height: 1.6;
}

.page-index__hero-actions {
  display: flex;
  gap: 20px;
  justify-content: flex-start;
}

.page-index__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, transform 0.2s ease;
  white-space: nowrap;
}

.page-index__btn--primary {
  background-color: #FFD700;
  color: #0A2463;
  border: 2px solid #FFD700;
}

.page-index__btn--primary:hover {
  background-color: #E6C200;
  color: #000000;
  transform: translateY(-2px);
}

.page-index__btn--secondary {
  background-color: transparent;
  color: #FFD700;
  border: 2px solid #FFD700;
}

.page-index__btn--secondary:hover {
  background-color: #FFD700;
  color: #0A2463;
  transform: translateY(-2px);
}

.page-index__btn--outline {
  background-color: transparent;
  color: #FFD700;
  border: 1px solid #FFD700;
  padding: 10px 20px;
  font-size: 1em;
}

.page-index__btn--outline:hover {
  background-color: #FFD700;
  color: #0A2463;
}

.page-index__btn--small {
  padding: 10px 20px;
  font-size: 0.9em;
  border-radius: 5px;
  background-color: #FFD700;
  color: #0A2463;
  border: none;
}

.page-index__btn--small:hover {
  background-color: #E6C200;
  color: #000000;
}

.page-index__hero-image-wrapper {
  flex-shrink: 0;
}

.page-index__hero-image {
  max-width: 100%;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-index__section-title {
  font-size: 2.8em;
  color: #FFD700;
  text-align: center;
  margin-bottom: 50px;
  position: relative;
  padding-bottom: 15px;
}

.page-index__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: #FFD700;
  border-radius: 2px;
}

.page-index__about, .page-index__promotions, .page-index__games, .page-index__app-download, .page-index__strategies, .page-index__responsible-gambling, .page-index__detail-pages, .page-index__cta {
  padding: 80px 0;
  background-color: #0A2463;
  margin-bottom: 20px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-index__about {
  background-color: #0A2463; /* Sử dụng màu chủ đạo */
}

.page-index__promotions {
  background-color: #081F54; /* Màu nền hơi khác để tạo sự phân biệt */
}

.page-index__games {
  background-color: #0A2463;
}

.page-index__app-download {
  background-color: #081F54;
}

.page-index__strategies {
  background-color: #0A2463;
}

.page-index__responsible-gambling {
  background-color: #081F54;
}

.page-index__detail-pages {
  background-color: #0A2463;
}

.page-index__cta {
  background: linear-gradient(90deg, #FFD700, #E6C200); /* Gradient vàng cho CTA */
  color: #0A2463;
  text-align: center;
  padding: 60px 0;
  margin-top: 40px;
  border-radius: 10px;
}

.page-index__cta-title {
  font-size: 3em;
  margin-bottom: 20px;
  color: #0A2463; /* Màu chữ tối trên nền vàng */
}

.page-index__cta-description {
  font-size: 1.3em;
  margin-bottom: 40px;
  color: #333333;
}

.page-index__btn--hero {
  padding: 18px 40px;
  font-size: 1.3em;
  border-radius: 10px;
  background-color: #0A2463;
  color: #FFD700;
  border: 2px solid #0A2463;
}

.page-index__btn--hero:hover {
  background-color: #051A44;
  color: #FFD700;
  transform: translateY(-3px);
}

.page-index__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  text-align: center;
}

.page-index__grid-item {
  background-color: #0F3175; /* Nền card hơi sáng hơn chủ đạo */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.page-index__grid-item:hover {
  transform: translateY(-5px);
}

.page-index__icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
}

.page-index__item-title {
  font-size: 1.5em;
  color: #FFD700;
  margin-bottom: 15px;
}

.page-index__item-title a {
  color: #FFD700;
  text-decoration: none;
}

.page-index__item-title a:hover {
  text-decoration: underline;
}

.page-index__promotions-intro, .page-index__games-intro, .page-index__app-description, .page-index__strategies-intro, .page-index__responsible-description, .page-index__detail-intro {
  text-align: center;
  font-size: 1.1em;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.6;
}

.page-index__promo-cards, .page-index__game-categories, .page-index__strategy-articles, .page-index__detail-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

.page-index__promo-card, .page-index__category-card, .page-index__article-card, .page-index__detail-card {
  background-color: #0F3175;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform 0.3s ease;
}

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

.page-index__promo-image, .page-index__category-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-index__card-title, .page-index__category-title, .page-index__article-title, .page-index__detail-card-title {
  font-size: 1.4em;
  color: #FFD700;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-index__card-title a, .page-index__category-title a, .page-index__article-title a, .page-index__detail-card-title a {
  color: #FFD700;
  text-decoration: none;
}

.page-index__card-title a:hover, .page-index__category-title a:hover, .page-index__article-title a:hover, .page-index__detail-card-title a:hover {
  text-decoration: underline;
}

.page-index__card-description, .page-index__category-description, .page-index__article-excerpt, .page-index__detail-card-description {
  font-size: 1em;
  color: #E0E0E0;
  line-height: 1.5;
  flex-grow: 1;
  margin-bottom: 20px;
}

.page-index__all-promos {
  text-align: center;
}

.page-index__app-content {
  display: flex;
  align-items: center;
  gap: 50px;
  flex-wrap: wrap;
  text-align: left;
}

.page-index__app-text {
  flex: 1;
  min-width: 300px;
}

.page-index__app-image-wrapper {
  flex: 1;
  min-width: 300px;
  text-align: center;
}

.page-index__app-image {
  max-width: 100%;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-index__app-features {
  list-style: none;
  padding: 0;
  margin-bottom: 30px;
}

.page-index__app-features li {
  background-color: #0F3175;
  margin-bottom: 10px;
  padding: 10px 15px;
  border-left: 4px solid #FFD700;
  border-radius: 5px;
  font-size: 1.1em;
}

.page-index__read-more {
  display: inline-block;
  margin-top: 15px;
  color: #FFD700;
  text-decoration: none;
  font-weight: bold;
}

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

.page-index__responsible-list {
  list-style: disc;
  margin-left: 20px;
  line-height: 1.8;
  font-size: 1.1em;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-index__responsible-list li {
  margin-bottom: 10px;
}

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

.page-index__detail-card {
  background-color: #0F3175;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-index__detail-card-title {
  font-size: 1.6em;
  color: #FFD700;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-index__detail-card-title a {
  color: #FFD700;
  text-decoration: none;
}

.page-index__detail-card-title a:hover {
  text-decoration: underline;
}

.page-index__detail-card-description {
  font-size: 1em;
  color: #E0E0E0;
  line-height: 1.5;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-index .highlight {
  color: #FFD700;
}

/* Responsive adjustments */
@media (max-width: 992px) {
  .page-index__hero {
    flex-direction: column;
    text-align: center;
    padding: 80px 20px;
  }

  .page-index__hero-content {
    text-align: center;
  }

  .page-index__hero-actions {
    justify-content: center;
  }

  .page-index__hero-title {
    font-size: 2.5em;
  }

  .page-index__section-title {
    font-size: 2.2em;
  }

  .page-index__app-content {
    flex-direction: column;
    text-align: center;
  }

  .page-index__app-text {
    order: 2;
  }

  .page-index__app-image-wrapper {
    order: 1;
    margin-bottom: 30px;
  }

  .page-index__cta-title {
    font-size: 2.5em;
  }
}

@media (max-width: 768px) {
  .page-index__hero-title {
    font-size: 2em;
  }

  .page-index__hero-description {
    font-size: 1em;
  }

  .page-index__btn {
    padding: 12px 25px;
    font-size: 1em;
  }

  .page-index__section-title {
    font-size: 1.8em;
  }

  .page-index__grid, .page-index__promo-cards, .page-index__game-categories, .page-index__strategy-articles, .page-index__detail-cards {
    grid-template-columns: 1fr;
  }

  .page-index__cta-title {
    font-size: 2em;
  }

  .page-index__cta-description {
    font-size: 1.1em;
  }

  .page-index__btn--hero {
    padding: 15px 30px;
    font-size: 1.1em;
  }
}