/* style/index.css */

/* Biến CSS */
:root {
  --page-index-primary-color: #FFD700; /* Gold */
  --page-index-secondary-color: #000080; /* Dark Blue */
  --page-index-text-light: #FFFFFF; /* White for dark backgrounds */
  --page-index-text-dark: #333333; /* Dark gray for light backgrounds */
  --page-index-accent-color: #0028ff; /* Complementary to gold for highlights */
  --page-index-card-bg: #1a1a3a; /* Darker blue for cards */
  --page-index-light-bg: #f5f5f5; /* Light background for contrast */
  --page-index-border-color: rgba(255, 215, 0, 0.3);
}

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

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

.page-index__section-title {
  font-size: 2.5em;
  color: var(--page-index-secondary-color);
  text-align: center;
  margin-bottom: 50px;
  font-weight: bold;
  position: relative;
}

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

/* Hero Section */
.page-index__hero {
  background: linear-gradient(135deg, var(--page-index-secondary-color) 0%, #00004d 100%);
  color: var(--page-index-text-light);
  padding: 100px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  text-align: center;
  gap: 40px;
}

.page-index__hero-content {
  max-width: 600px;
  padding: 0 20px;
}

.page-index__hero-title {
  font-size: 3.8em;
  margin-bottom: 20px;
  color: var(--page-index-primary-color);
  line-height: 1.2;
  font-weight: 900;
}

.page-index__hero-description {
  font-size: 1.3em;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.9);
}

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

.page-index__hero-image-wrapper {
  max-width: 500px;
  flex-shrink: 0;
  margin-top: 20px;
}

.page-index__hero-image {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* Buttons */
.page-index__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  transition: all 0.3s ease;
  cursor: pointer;
  font-size: 1.1em;
  text-align: center;
}

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

.page-index__btn--primary:hover {
  background-color: #e6c200;
  border-color: #e6c200;
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(255, 215, 0, 0.4);
}

.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-secondary-color);
  transform: translateY(-3px);
  box-shadow: 0 8px 15px rgba(255, 215, 0, 0.4);
}

.page-index__btn--small {
  padding: 10px 20px;
  font-size: 0.9em;
  border-radius: 5px;
}

.page-index__btn--large {
  padding: 18px 40px;
  font-size: 1.3em;
}

/* About Section */
.page-index__about {
  padding: 80px 0;
  background-color: var(--page-index-light-bg);
}

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

.page-index__about-item {
  background-color: var(--page-index-text-light);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index__about-item:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.page-index__about-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
}

.page-index__about-heading {
  font-size: 1.8em;
  color: var(--page-index-secondary-color);
  margin-bottom: 15px;
}

.page-index__about-text {
  color: var(--page-index-text-dark);
  font-size: 1.05em;
}

/* Featured Games Section */
.page-index__featured-games {
  padding: 80px 0;
  background-color: var(--page-index-secondary-color);
  color: var(--page-index-text-light);
}

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

.page-index__featured-games .page-index__section-title::after {
  background-color: var(--page-index-text-light);
}

.page-index__games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-index__game-card {
  background-color: var(--page-index-card-bg);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-index__game-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.page-index__game-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 2px solid var(--page-index-primary-color);
}

.page-index__game-title {
  font-size: 1.6em;
  color: var(--page-index-primary-color);
  margin: 20px 15px 10px;
}

.page-index__game-description {
  font-size: 1em;
  color: rgba(255, 255, 255, 0.8);
  padding: 0 15px 20px;
  flex-grow: 1;
}

.page-index__game-card .page-index__btn {
  margin: 0 15px 20px;
  width: calc(100% - 30px);
}

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

.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: var(--page-index-text-light);
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index__promo-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.page-index__promo-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 2px solid var(--page-index-primary-color);
}

.page-index__promo-title {
  font-size: 1.8em;
  color: var(--page-index-secondary-color);
  margin: 20px 15px 10px;
}

.page-index__promo-description {
  font-size: 1em;
  color: var(--page-index-text-dark);
  padding: 0 15px 20px;
}

.page-index__promo-card .page-index__btn {
  margin: 0 15px 20px;
  width: calc(100% - 30px);
}

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

/* Mobile App Section */
.page-index__mobile-app {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--page-index-secondary-color) 0%, #00004d 100%);
  color: var(--page-index-text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 40px;
}

.page-index__mobile-app .page-index__container {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 40px;
}

.page-index__mobile-content {
  max-width: 500px;
  text-align: left;
  padding: 0 20px;
}

.page-index__mobile-app .page-index__section-title {
  color: var(--page-index-primary-color);
  text-align: left;
  margin-bottom: 20px;
}

.page-index__mobile-app .page-index__section-title::after {
  background-color: var(--page-index-text-light);
  margin-left: 0;
}

.page-index__mobile-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.9);
}

.page-index__mobile-image-wrapper {
  max-width: 400px;
  flex-shrink: 0;
}

.page-index__mobile-image {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* Details List Section */
.page-index__details-list {
  padding: 80px 0;
  background-color: var(--page-index-light-bg);
}

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

.page-index__detail-card {
  background-color: var(--page-index-text-light);
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.page-index__detail-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.page-index__detail-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-bottom: 2px solid var(--page-index-border-color);
}

.page-index__detail-title {
  font-size: 1.5em;
  color: var(--page-index-secondary-color);
  margin: 20px 15px 10px;
  min-height: 2em;
}

.page-index__detail-title a {
  color: var(--page-index-secondary-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.page-index__detail-description {
  font-size: 0.95em;
  color: var(--page-index-text-dark);
  padding: 0 15px 20px;
  flex-grow: 1;
}

.page-index__detail-card .page-index__btn {
  margin: 0 15px 20px;
  width: calc(100% - 30px);
}

/* CTA Bottom Section */
.page-index__cta-bottom {
  background: linear-gradient(90deg, #FFD700, #e6c200);
  padding: 60px 0;
  text-align: center;
  color: var(--page-index-secondary-color);
}

.page-index__cta-title {
  font-size: 3em;
  margin-bottom: 20px;
  color: var(--page-index-secondary-color);
  font-weight: bold;
}

.page-index__cta-description {
  font-size: 1.4em;
  margin-bottom: 40px;
  color: #333333;
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-index__hero {
    flex-direction: column;
    padding: 80px 0;
  }
  .page-index__hero-image-wrapper {
    order: -1; /* Image above text on smaller screens */
    margin-bottom: 30px;
  }
  .page-index__hero-title {
    font-size: 3em;
  }
  .page-index__hero-description {
    font-size: 1.1em;
  }
  .page-index__mobile-app .page-index__container {
    flex-direction: column;
  }
  .page-index__mobile-content {
    text-align: center;
  }
  .page-index__mobile-app .page-index__section-title {
    text-align: center;
  }
  .page-index__mobile-app .page-index__section-title::after {
    margin: 15px auto 0;
  }
}

@media (max-width: 768px) {
  .page-index__section-title {
    font-size: 2em;
  }
  .page-index__hero-title {
    font-size: 2.5em;
  }
  .page-index__hero-actions {
    flex-direction: column;
    gap: 15px;
  }
  .page-index__btn--large {
    font-size: 1.1em;
    padding: 15px 30px;
  }
  .page-index__about-grid, .page-index__games-grid, .page-index__promo-grid, .page-index__details-grid {
    grid-template-columns: 1fr;
  }
  .page-index__cta-title {
    font-size: 2.2em;
  }
  .page-index__cta-description {
    font-size: 1.2em;
  }
}

@media (max-width: 480px) {
  .page-index__hero {
    padding: 60px 0;
  }
  .page-index__hero-title {
    font-size: 2em;
  }
  .page-index__hero-description {
    font-size: 1em;
  }
  .page-index__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }
  .page-index__about-heading, .page-index__game-title, .page-index__promo-title, .page-index__detail-title {
    font-size: 1.4em;
  }
  .page-index__btn {
    padding: 12px 20px;
    font-size: 0.9em;
  }
  .page-index__cta-title {
    font-size: 1.8em;
  }
  .page-index__cta-description {
    font-size: 1em;
  }
}