.page-index {
  font-family: 'Arial', sans-serif;
  color: #E0E0E0; /* Light gray for general text on dark background */
  background-color: #0A2342;
  line-height: 1.6;
}

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

.page-index__section-title {
  font-size: 2.5em;
  color: #FFD700; /* Gold for titles */
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.page-index__section-description {
  text-align: center;
  font-size: 1.1em;
  margin-bottom: 60px;
  color: #CCCCCC;
}

.page-index__btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
  text-align: center;
  white-space: nowrap;
}

.page-index__btn--primary {
  background-color: #FFD700;
  color: #0A2342;
  border: 2px solid #FFD700;
}

.page-index__btn--primary:hover {
  background-color: #e6c200;
  color: #000;
  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: #0A2342;
  transform: translateY(-2px);
}

.page-index__btn--text {
  color: #FFD700;
  text-decoration: underline;
  padding: 0;
  border: none;
  background: none;
}

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

.page-index__btn--large {
  padding: 15px 35px;
  font-size: 1.2em;
}

.page-index__btn--small {
  padding: 8px 15px;
  font-size: 0.9em;
  border-radius: 3px;
  background-color: #FFD700;
  color: #0A2342;
  border: 1px solid #FFD700;
}

.page-index__btn--small:hover {
  background-color: #e6c200;
  border-color: #e6c200;
}

/* Hero Section */
.page-index__hero-section {
  position: relative;
  background-image: url('[GALLERY:hero:vz99,online_betting,casino,welcome_bonus,vietnam]');
  background-size: cover;
  background-position: center;
  color: #FFFFFF;
  padding: 120px 0;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 600px;
}

.page-index__hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(10, 35, 66, 0.85), rgba(0, 0, 0, 0.6));
  z-index: 1;
}

.page-index__hero-content {
  position: relative;
  z-index: 2;
  max-width: 900px;
}

.page-index__hero-title {
  font-size: 3.8em;
  margin-bottom: 20px;
  color: #FFD700;
  line-height: 1.2;
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.page-index__hero-subtitle {
  font-size: 1.5em;
  margin-bottom: 40px;
  color: #E0E0E0;
  font-weight: 300;
}

.page-index__hero-subtitle strong {
  color: #FFD700;
  font-weight: bold;
}

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

/* About Section & Promo Section Layout */
.page-index__about-section, .page-index__promo-section, .page-index__app-section {
  padding: 80px 0;
}

.page-index__content-layout {
  display: flex;
  align-items: center;
  gap: 50px;
  flex-wrap: wrap;
}

.page-index__content-layout--reverse {
  flex-direction: row-reverse;
}

.page-index__text-content {
  flex: 1;
  min-width: 300px;
}

.page-index__text-content p {
  margin-bottom: 20px;
  font-size: 1.1em;
  color: #CCCCCC;
}

.page-index__image-content {
  flex: 1;
  min-width: 300px;
  text-align: center;
}

.page-index__img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* Features Section */
.page-index__features-section {
  background-color: #071B33; /* Slightly lighter dark blue */
  padding: 80px 0;
}

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

.page-index__feature-item {
  background-color: #123456; /* Darker blue for feature cards */
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-index__feature-item:hover {
  transform: translateY(-5px);
  background-color: #1A426B;
}

.page-index__feature-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.5)); /* Gold glow */
}

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

.page-index__feature-description {
  font-size: 1em;
  color: #B0B0B0;
}

/* App Section */
.page-index__app-qr-codes {
  display: flex;
  justify-content: center;
  gap: 30px;
  flex-wrap: wrap;
}

.page-index__qr-code {
  width: 150px;
  height: 150px;
  border: 5px solid #FFD700;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(255, 215, 0, 0.7);
}

.page-index__app-buttons {
  display: flex;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap;
}

/* Detail Pages Section */
.page-index__detail-pages-section {
  padding: 80px 0;
  background-color: #071B33;
}

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

.page-index__detail-item {
  background-color: #123456;
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-index__detail-item:hover {
  transform: translateY(-5px);
  background-color: #1A426B;
}

.page-index__detail-title {
  font-size: 1.3em;
  margin-bottom: 10px;
}

.page-index__detail-title a {
  color: #FFD700;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-index__detail-title a:hover {
  color: #e6c200;
  text-decoration: underline;
}

.page-index__detail-description {
  font-size: 0.95em;
  color: #B0B0B0;
  margin-bottom: 20px;
  flex-grow: 1;
}

/* Call to Action Section */
.page-index__cta-section {
  background-color: #0A2342;
  padding: 100px 0;
  text-align: center;
}

.page-index__cta-content {
  max-width: 800px;
}

.page-index__cta-title {
  font-size: 3em;
  color: #FFD700;
  margin-bottom: 20px;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .page-index__hero-title {
    font-size: 3em;
  }
  .page-index__hero-subtitle {
    font-size: 1.3em;
  }
  .page-index__section-title {
    font-size: 2em;
  }
  .page-index__cta-title {
    font-size: 2.5em;
  }
}

@media (max-width: 768px) {
  .page-index__hero-section {
    padding: 80px 0;
    min-height: 450px;
  }
  .page-index__hero-title {
    font-size: 2.5em;
  }
  .page-index__hero-subtitle {
    font-size: 1.1em;
  }
  .page-index__hero-actions {
    flex-direction: column;
    gap: 15px;
  }
  .page-index__btn--large {
    width: 100%;
  }
  .page-index__content-layout {
    flex-direction: column;
  }
  .page-index__content-layout--reverse {
    flex-direction: column;
  }
  .page-index__image-content, .page-index__text-content {
    min-width: unset;
    width: 100%;
  }
  .page-index__section-title {
    font-size: 1.8em;
  }
  .page-index__section-description {
    font-size: 1em;
  }
  .page-index__features-grid, .page-index__detail-grid {
    grid-template-columns: 1fr;
  }
  .page-index__app-buttons {
    flex-direction: column;
  }
  .page-index__qr-code {
    width: 120px;
    height: 120px;
  }
  .page-index__cta-title {
    font-size: 2em;
  }
  .page-index__cta-description {
    font-size: 1.1em;
  }
}

@media (max-width: 480px) {
  .page-index__hero-title {
    font-size: 2em;
  }
  .page-index__hero-subtitle {
    font-size: 1em;
  }
  .page-index__section-title {
    font-size: 1.5em;
  }
  .page-index__cta-title {
    font-size: 1.8em;
  }
}