/* style/index.css */

/* Biến CSS */
:root {
  --page-index-primary-color: #1A202C;
  --page-index-accent-color: #FFD700;
  --page-index-text-light: #F7FAFC; /* Màu chữ sáng cho nền tối */
  --page-index-text-dark: #2D3748;  /* Màu chữ tối cho nền sáng */
  --page-index-background-light: #F7FAFC;
  --page-index-background-dark: #1A202C;
  --page-index-border-color: #4A5568;
  --page-index-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  --page-index-border-radius: 8px;
}

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

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

.page-index__section-title {
  font-size: 2.5em;
  color: var(--page-index-primary-color);
  text-align: center;
  margin-bottom: 40px;
  font-weight: 700;
  position: relative;
}

.page-index__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background-color: var(--page-index-accent-color);
  margin: 15px auto 0;
  border-radius: 2px;
}

.page-index__text-content {
  font-size: 1.1em;
  margin-bottom: 20px;
  text-align: justify;
}

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

/* Buttons */
.page-index__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: var(--page-index-border-radius);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  white-space: nowrap;
}

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

.page-index__btn--primary:hover {
  background-color: #e6c200;
  border-color: #e6c200;
  transform: translateY(-2px);
}

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

.page-index__btn--secondary:hover {
  background-color: var(--page-index-primary-color);
  color: var(--page-index-text-light);
  transform: translateY(-2px);
}

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

.page-index__btn--text:hover {
  color: #e6c200;
  text-decoration: none;
}

.page-index__btn--small {
  padding: 8px 18px;
  font-size: 0.9em;
}

.page-index__btn--large {
  padding: 15px 30px;
  font-size: 1.2em;
}

.page-index__center-button {
  text-align: center;
  margin-top: 30px;
}

/* Hero Section */
.page-index__hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--page-index-primary-color) 0%, #3a4153 100%);
  color: var(--page-index-text-light);
  padding: 80px 20px;
  text-align: center;
}

.page-index__hero-content {
  max-width: 800px;
  margin-bottom: 40px;
}

.page-index__hero-title {
  font-size: 3.5em;
  margin-bottom: 20px;
  font-weight: 800;
  line-height: 1.2;
}

.page-index__hero-description {
  font-size: 1.3em;
  margin-bottom: 30px;
  opacity: 0.9;
}

.page-index__hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.page-index__hero-buttons .page-index__btn--primary {
  color: var(--page-index-primary-color);
}

.page-index__hero-buttons .page-index__btn--secondary {
  color: var(--page-index-text-light);
  border-color: var(--page-index-text-light);
}

.page-index__hero-buttons .page-index__btn--secondary:hover {
  background-color: var(--page-index-text-light);
  color: var(--page-index-primary-color);
}

.page-index__hero-image-wrapper {
  width: 100%;
  max-width: 900px;
  margin-top: 40px;
}

.page-index__hero-image {
  width: 100%;
  height: auto;
  border-radius: var(--page-index-border-radius);
  box-shadow: var(--page-index-shadow);
}

/* About Section */
.page-index__about {
  padding: 60px 0;
  background-color: var(--page-index-background-light);
}

/* Features Section */
.page-index__features {
  padding: 60px 0;
  background-color: #f0f2f5;
}

.page-index__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  text-align: center;
}

.page-index__feature-item {
  background-color: #fff;
  padding: 30px;
  border-radius: var(--page-index-border-radius);
  box-shadow: var(--page-index-shadow);
  transition: transform 0.3s ease;
}

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

.page-index__feature-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1)); /* Thêm đổ bóng cho icon */
}

.page-index__feature-title {
  font-size: 1.5em;
  color: var(--page-index-primary-color);
  margin-bottom: 15px;
  font-weight: 700;
}

.page-index__feature-description {
  font-size: 1em;
  color: var(--page-index-text-dark);
}

/* Games Section */
.page-index__games {
  padding: 60px 0;
  background-color: var(--page-index-background-light);
}

.page-index__game-category {
  display: flex;
  align-items: center;
  gap: 40px;
  margin-bottom: 60px;
  background-color: #fff;
  padding: 30px;
  border-radius: var(--page-index-border-radius);
  box-shadow: var(--page-index-shadow);
}

.page-index__game-category:last-child {
  margin-bottom: 0;
}

.page-index__game-category--reverse {
  flex-direction: row-reverse;
}

.page-index__game-image {
  width: 45%;
  height: auto;
  border-radius: var(--page-index-border-radius);
  box-shadow: var(--page-index-shadow);
  object-fit: cover;
}

.page-index__game-details {
  width: 55%;
}

.page-index__game-title {
  font-size: 2em;
  color: var(--page-index-primary-color);
  margin-bottom: 15px;
  font-weight: 700;
}

.page-index__game-description {
  font-size: 1.1em;
  margin-bottom: 20px;
  color: var(--page-index-text-dark);
}

/* Promotions Section */
.page-index__promotions {
  padding: 60px 0;
  background-color: var(--page-index-primary-color);
  color: var(--page-index-text-light);
}

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

.page-index__promotions .page-index__section-title::after {
  background-color: var(--page-index-accent-color);
}

.page-index__promotions .page-index__text-content {
  color: var(--page-index-text-light);
}

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

.page-index__promo-card {
  background-color: #2D3748; /* Nền tối hơn cho card promo */
  padding: 30px;
  border-radius: var(--page-index-border-radius);
  box-shadow: var(--page-index-shadow);
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s ease;
}

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

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

.page-index__promo-title {
  font-size: 1.6em;
  color: var(--page-index-accent-color);
  margin-bottom: 15px;
  font-weight: 700;
}

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

/* Guide Section */
.page-index__guide {
  padding: 60px 0;
  background-color: var(--page-index-background-light);
}

.page-index__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-index__step-item {
  text-align: center;
  background-color: #fff;
  padding: 30px;
  border-radius: var(--page-index-border-radius);
  box-shadow: var(--page-index-shadow);
  transition: transform 0.3s ease;
}

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

.page-index__step-icon {
  width: 70px;
  height: 70px;
  margin-bottom: 20px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

.page-index__step-title {
  font-size: 1.4em;
  color: var(--page-index-primary-color);
  margin-bottom: 10px;
  font-weight: 700;
}

.page-index__step-description {
  font-size: 0.95em;
  color: var(--page-index-text-dark);
  margin-bottom: 20px;
}

/* App Download Section */
.page-index__app-download {
  padding: 60px 0;
  background-color: #f0f2f5;
  text-align: center;
}

.page-index__download-options {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
  margin-bottom: 40px;
}

.page-index__app-image {
  max-width: 500px;
  width: 100%;
  height: auto;
  border-radius: var(--page-index-border-radius);
  box-shadow: var(--page-index-shadow);
}

/* Detail Pages Section */
.page-index__detail-pages {
  padding: 60px 0;
  background-color: var(--page-index-background-light);
}

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

.page-index__detail-card {
  background-color: #fff;
  padding: 30px;
  border-radius: var(--page-index-border-radius);
  box-shadow: var(--page-index-shadow);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s ease;
}

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

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

.page-index__detail-title a {
  color: var(--page-index-primary-color);
  text-decoration: none;
}

.page-index__detail-title a:hover {
  color: var(--page-index-accent-color);
  text-decoration: underline;
}

.page-index__detail-description {
  font-size: 1em;
  color: var(--page-index-text-dark);
  flex-grow: 1;
  margin-bottom: 20px;
}

/* Responsible Gambling Section */
.page-index__responsible-gambling {
  padding: 60px 0;
  background-color: #e0e0e0;
}

/* FAQ Section */
.page-index__faq {
  padding: 60px 0;
  background-color: var(--page-index-background-light);
}

.page-index__faq-item {
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: var(--page-index-border-radius);
  margin-bottom: 15px;
  padding: 20px 25px;
  box-shadow: var(--page-index-shadow);
}

.page-index__faq-question {
  font-size: 1.3em;
  color: var(--page-index-primary-color);
  margin-bottom: 10px;
  cursor: pointer;
  font-weight: 600;
}

.page-index__faq-answer {
  font-size: 1em;
  color: var(--page-index-text-dark);
  padding-left: 15px;
  border-left: 3px solid var(--page-index-accent-color);
  margin-top: 10px;
}

/* CTA Section */
.page-index__cta {
  background: linear-gradient(45deg, var(--page-index-accent-color) 0%, #e6c200 100%);
  padding: 80px 20px;
  text-align: center;
  color: var(--page-index-primary-color);
}

.page-index__cta .page-index__section-title {
  color: var(--page-index-primary-color);
}

.page-index__cta .page-index__section-title::after {
  background-color: var(--page-index-primary-color);
}

.page-index__cta .page-index__text-content {
  color: var(--page-index-primary-color);
  font-size: 1.2em;
  margin-bottom: 40px;
}

.page-index__cta .page-index__btn--primary {
  background-color: var(--page-index-primary-color);
  color: var(--page-index-accent-color);
  border-color: var(--page-index-primary-color);
}

.page-index__cta .page-index__btn--primary:hover {
  background-color: #000;
  border-color: #000;
  color: var(--page-index-accent-color);
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-index__hero-title {
    font-size: 2.8em;
  }

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

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

  .page-index__game-category {
    flex-direction: column;
    text-align: center;
  }

  .page-index__game-category--reverse {
    flex-direction: column-reverse;
  }

  .page-index__game-image,
  .page-index__game-details {
    width: 100%;
  }

  .page-index__promo-grid,
  .page-index__guide-steps,
  .page-index__detail-grid {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-index__hero {
    padding: 60px 15px;
  }

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

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

  .page-index__hero-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-index__btn--large {
    width: 100%;
  }

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

  .page-index__text-content {
    font-size: 1em;
  }

  .page-index__feature-grid,
  .page-index__promo-grid,
  .page-index__guide-steps,
  .page-index__detail-grid {
    grid-template-columns: 1fr;
  }

  .page-index__game-title {
    font-size: 1.6em;
  }

  .page-index__promo-title {
    font-size: 1.4em;
  }

  .page-index__step-title {
    font-size: 1.2em;
  }

  .page-index__faq-question {
    font-size: 1.1em;
  }
}

@media (max-width: 480px) {
  .page-index__hero-title {
    font-size: 1.8em;
  }

  .page-index__hero-description {
    font-size: 0.9em;
  }

  .page-index__section-title {
    font-size: 1.5em;
  }

  .page-index__btn {
    padding: 10px 20px;
  }

  .page-index__btn--large {
    padding: 12px 25px;
  }

  .page-index__game-category,
  .page-index__promo-card,
  .page-index__feature-item,
  .page-index__step-item,
  .page-index__detail-card,
  .page-index__faq-item {
    padding: 20px;
  }

  .page-index__game-title,
  .page-index__promo-title,
  .page-index__step-title,
  .page-index__detail-title {
    font-size: 1.3em;
  }

  .page-index__faq-question {
    font-size: 1em;
  }
}