/* style/bn-c.css */
.page-bn-c {
  font-family: 'Arial', sans-serif;
  color: #E0E0E0; /* Màu chữ sáng cho nền tối */
  background-color: #0A1931; /* Màu nền chính */
  line-height: 1.6;
}

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

.page-bn-c__section-title {
  font-size: 2.5em;
  color: #FFD700; /* Màu vàng phụ trợ cho tiêu đề */
  text-align: center;
  margin-bottom: 40px;
  padding-top: 20px;
  position: relative;
}

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

.page-bn-c__section-description {
  font-size: 1.1em;
  text-align: center;
  margin-bottom: 50px;
  color: #B0B0B0;
}

.page-bn-c__section-description--bottom {
  margin-top: 40px;
  margin-bottom: 0;
}

.page-bn-c__button {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.2s ease;
  font-size: 1.1em;
  text-align: center;
  border: none;
  cursor: pointer;
}

.page-bn-c__button--primary {
  background-color: #FFD700;
  color: #0A1931; /* Màu chữ tối cho nền vàng */
}

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

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

.page-bn-c__button--secondary:hover {
  background-color: #FFD700;
  color: #0A1931;
  transform: translateY(-2px);
}

.page-bn-c__button--small {
  padding: 8px 20px;
  font-size: 0.95em;
}

.page-bn-c__button--center {
  display: block;
  margin: 40px auto 0 auto;
}

/* Hero Section */
.page-bn-c__hero-section {
  background: linear-gradient(135deg, #0A1931 0%, #203A5F 100%); /* Hơi sáng hơn một chút */
  padding: 100px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-bn-c__hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('[GALLERY:bg:abstract,ocean_pattern,subtle]');
  background-size: cover;
  background-position: center;
  opacity: 0.1;
  z-index: 0;
}

.page-bn-c__hero-section > .page-bn-c__container {
  position: relative;
  z-index: 1;
}

.page-bn-c__hero-title {
  font-size: 3.5em;
  color: #FFD700;
  margin-bottom: 20px;
  text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.page-bn-c__hero-description {
  font-size: 1.3em;
  color: #F0F0F0;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

.page-bn-c__hero-cta-group {
  display: flex;
  justify-content: center;
  gap: 20px;
}

/* Features Section */
.page-bn-c__features-section {
  padding: 80px 0;
  background-color: #071325;
}

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

.page-bn-c__feature-item {
  background-color: #1A2B47;
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.page-bn-c__feature-item:hover {
  transform: translateY(-10px);
}

.page-bn-c__feature-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  border-radius: 50%;
  border: 3px solid #FFD700;
  padding: 10px;
  background-color: #0A1931;
}

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

.page-bn-c__feature-text {
  font-size: 1em;
  color: #C0C0C0;
}

/* Game Types Section */
.page-bn-c__game-types-section {
  padding: 80px 0;
  background-color: #0A1931;
}

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

.page-bn-c__game-card {
  background-color: #1A2B47;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
  display: flex;
  flex-direction: column;
}

.page-bn-c__game-card:hover {
  transform: translateY(-10px);
}

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

.page-bn-c__game-card-title {
  font-size: 1.6em;
  color: #FFD700;
  padding: 20px 20px 10px 20px;
}

.page-bn-c__game-card-text {
  font-size: 0.95em;
  color: #C0C0C0;
  padding: 0 20px 20px 20px;
  flex-grow: 1;
}

.page-bn-c__game-card .page-bn-c__button--small {
  margin: 0 20px 20px 20px;
  width: calc(100% - 40px);
}

/* How To Play Section */
.page-bn-c__how-to-play-section {
  padding: 80px 0;
  background-color: #071325;
}

.page-bn-c__guide-list {
  list-style: none;
  padding: 0;
  counter-reset: step-counter;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-bn-c__guide-list li {
  background-color: #1A2B47;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  position: relative;
  padding-left: 70px;
}

.page-bn-c__guide-list li::before {
  counter-increment: step-counter;
  content: counter(step-counter);
  position: absolute;
  left: 20px;
  top: 30px;
  width: 40px;
  height: 40px;
  background-color: #FFD700;
  color: #0A1931;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5em;
  font-weight: bold;
}

.page-bn-c__guide-step-title {
  color: #FFD700;
  font-size: 1.4em;
  margin-top: 0;
  margin-bottom: 10px;
}

.page-bn-c__guide-list p {
  color: #C0C0C0;
  font-size: 0.95em;
}

/* Tips Section */
.page-bn-c__tips-section {
  padding: 80px 0;
  background-color: #0A1931;
}

.page-bn-c__tips-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 25px;
  margin-bottom: 50px;
}

.page-bn-c__tips-list li {
  background-color: #1A2B47;
  padding: 25px;
  border-radius: 8px;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.page-bn-c__tip-title {
  color: #FFD700;
  font-size: 1.3em;
  margin-top: 0;
  margin-bottom: 10px;
}

.page-bn-c__tips-list p {
  color: #C0C0C0;
  font-size: 0.95em;
}

.page-bn-c__image-wrapper {
  text-align: center;
  margin: 50px 0;
}

.page-bn-c__main-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

/* App CTA Section */
.page-bn-c__app-cta-section {
  padding: 80px 0;
  background: linear-gradient(90deg, #0A1931 0%, #203A5F 100%);
}

.page-bn-c__app-cta-section > .page-bn-c__container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 50px;
}

.page-bn-c__app-cta-content {
  flex: 1 1 500px;
  max-width: 600px;
  text-align: left;
}

.page-bn-c__app-cta-content .page-bn-c__section-title {
  text-align: left;
  margin-bottom: 20px;
  padding-top: 0;
}

.page-bn-c__app-cta-content .page-bn-c__section-title::after {
  left: 0;
  transform: translateX(0);
}

.page-bn-c__app-cta-description {
  font-size: 1.1em;
  color: #F0F0F0;
  margin-bottom: 30px;
  text-align: left;
}

.page-bn-c__app-download-buttons {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.page-bn-c__button--download {
  background-color: #FFD700;
  color: #0A1931;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 25px;
}

.page-bn-c__button--download:hover {
  background-color: #e6c200;
}

.page-bn-c__download-icon {
  width: 24px;
  height: 24px;
}

.page-bn-c__app-cta-note {
  font-size: 0.9em;
  color: #B0B0B0;
  margin-top: 20px;
  text-align: left;
}

.page-bn-c__app-image-wrapper {
  flex: 1 1 300px;
  text-align: center;
}

.page-bn-c__app-mockup-image {
  max-width: 100%;
  height: auto;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
}

/* FAQ Section */
.page-bn-c__faq-section {
  padding: 80px 0;
  background-color: #071325;
}

.page-bn-c__faq-item {
  background-color: #1A2B47;
  margin-bottom: 20px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.page-bn-c__faq-question {
  color: #FFD700;
  font-size: 1.3em;
  padding: 20px;
  margin: 0;
  cursor: pointer;
  position: relative;
  transition: background-color 0.3s ease;
}

.page-bn-c__faq-question::after {
  content: '+';
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.5em;
  transition: transform 0.3s ease;
}

.page-bn-c__faq-question.active::after {
  content: '-';
  transform: translateY(-50%) rotate(180deg);
}

.page-bn-c__faq-answer {
  color: #C0C0C0;
  padding: 0 20px 20px 20px;
  margin: 0;
  font-size: 1em;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-out, padding 0.5s ease-out;
}

.page-bn-c__faq-answer.active {
  max-height: 200px; /* Adjust based on expected content length */
  padding-top: 10px;
}

/* CTA Bottom Section */
.page-bn-c__cta-bottom-section {
  padding: 80px 0;
  background-color: #0A1931;
  text-align: center;
}

.page-bn-c__cta-bottom-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.page-bn-c__cta-bottom-content .page-bn-c__section-title {
  margin-bottom: 10px;
}

.page-bn-c__cta-bottom-content .page-bn-c__section-title::after {
  display: none;
}

.page-bn-c__cta-bottom-content .page-bn-c__section-description {
  margin-bottom: 30px;
  max-width: 700px;
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-bn-c__hero-title {
    font-size: 2.8em;
  }
  .page-bn-c__section-title {
    font-size: 2em;
  }
  .page-bn-c__features-grid, .page-bn-c__game-cards-grid, .page-bn-c__guide-list {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
  .page-bn-c__app-cta-section > .page-bn-c__container {
    flex-direction: column;
    text-align: center;
  }
  .page-bn-c__app-cta-content {
    text-align: center;
  }
  .page-bn-c__app-cta-content .page-bn-c__section-title,
  .page-bn-c__app-cta-content .page-bn-c__section-title::after,
  .page-bn-c__app-cta-description,
  .page-bn-c__app-cta-note {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
  }
  .page-bn-c__app-download-buttons {
    justify-content: center;
  }
}

@media (max-width: 768px) {
  .page-bn-c__hero-title {
    font-size: 2.2em;
  }
  .page-bn-c__section-title {
    font-size: 1.8em;
  }
  .page-bn-c__hero-cta-group {
    flex-direction: column;
    gap: 15px;
  }
  .page-bn-c__button {
    width: 80%;
    margin: 0 auto;
  }
  .page-bn-c__button--center {
    width: auto;
  }
  .page-bn-c__app-download-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .page-bn-c__hero-title {
    font-size: 1.8em;
  }
  .page-bn-c__section-title {
    font-size: 1.5em;
  }
  .page-bn-c__hero-description {
    font-size: 1em;
  }
  .page-bn-c__button {
    font-size: 1em;
    padding: 10px 20px;
  }
  .page-bn-c__feature-item, .page-bn-c__game-card, .page-bn-c__guide-list li, .page-bn-c__faq-item {
    padding: 20px;
  }
  .page-bn-c__feature-icon {
    width: 60px;
    height: 60px;
  }
  .page-bn-c__guide-list li::before {
    width: 35px;
    height: 35px;
    font-size: 1.2em;
    left: 15px;
    top: 20px;
  }
  .page-bn-c__guide-list li {
    padding-left: 60px;
  }
  .page-bn-c__faq-question {
    font-size: 1.1em;
    padding: 15px;
  }
  .page-bn-c__faq-question::after {
    right: 15px;
  }
}