/* style/bnc.css */
/* body đã padding-top: var(--header-offset) từ shared.css, không lặp lại ở đây */
.page-bnc {
  font-family: 'Arial', sans-serif;
  color: #333333; /* Dark text for light background */
  line-height: 1.6;
}

.page-bnc__section {
  padding: 60px 0;
  text-align: center;
}

.page-bnc__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  box-sizing: border-box;
}

.page-bnc__section-title {
  font-size: clamp(2em, 4vw, 2.8em);
  font-weight: 700;
  margin-bottom: 20px;
  color: #26A9E0;
}

.page-bnc__section-description {
  font-size: 1.1em;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.page-bnc__hero-section {
  padding: 10px 0 60px 0; /* body đã xử lý padding-top cho header */
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: #FFFFFF;
  color: #333333;
}

.page-bnc__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
  margin-bottom: 30px;
}

.page-bnc__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-bnc__hero-content {
  max-width: 900px;
  padding: 0 20px;
}

.page-bnc__main-title {
  font-size: clamp(2.5em, 5vw, 3.5em);
  font-weight: 800;
  color: #26A9E0;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-bnc__description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: #555555;
}

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

.page-bnc__cta-buttons--center {
  margin-top: 40px;
}

.page-bnc__btn-primary,
.page-bnc__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
  width: auto;
}

.page-bnc__btn-primary {
  background-color: #26A9E0;
  color: #FFFFFF;
  border: 2px solid #26A9E0;
}

.page-bnc__btn-primary:hover {
  background-color: #1a7bb5;
  border-color: #1a7bb5;
}

.page-bnc__btn-secondary {
  background-color: #FFFFFF;
  color: #26A9E0;
  border: 2px solid #26A9E0;
}

.page-bnc__btn-secondary:hover {
  background-color: #e0f2f7;
  color: #1a7bb5;
  border-color: #1a7bb5;
}

/* Card Styles */
.page-bnc__card {
  background-color: #FFFFFF;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  padding: 30px;
  text-align: left;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  height: 100%;
  box-sizing: border-box;
  color: #333333;
}

.page-bnc__card-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
  min-height: 200px;
}

.page-bnc__card-title {
  font-size: 1.5em;
  font-weight: 700;
  color: #26A9E0;
  margin-bottom: 15px;
}

.page-bnc__card-text {
  font-size: 1em;
  color: #555555;
  flex-grow: 1;
}

/* Feature Grid */
.page-bnc__feature-grid,
.page-bnc__game-grid,
.page-bnc__promo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

/* How-To-Play Section */
.page-bnc__dark-section {
  background-color: #26A9E0;
  color: #FFFFFF;
}

.page-bnc__dark-section .page-bnc__section-title {
  color: #FFFFFF;
}

.page-bnc__dark-section .page-bnc__section-description {
  color: #f0f0f0;
}

.page-bnc__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-bnc__step-card {
  text-align: center;
  padding: 30px 20px;
  align-items: center;
}

.page-bnc__step-card .page-bnc__card-title {
  color: #26A9E0;
}

.page-bnc__step-card .page-bnc__card-text {
  color: #555555;
}

.page-bnc__step-number {
  font-size: 2.5em;
  font-weight: 800;
  color: #EA7C07; /* Login color for highlight */
  margin-bottom: 15px;
  border-bottom: 2px solid #EA7C07;
  display: inline-block;
  padding-bottom: 5px;
}

/* Why Choose Section */
.page-bnc__reason-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-bnc__reason-card {
  text-align: center;
  align-items: center;
}

.page-bnc__reason-card .page-bnc__card-title {
  color: #26A9E0;
}

/* FAQ Section */
.page-bnc__faq-section {
  background-color: #26A9E0;
  color: #FFFFFF;
}

.page-bnc__faq-section .page-bnc__section-title {
  color: #FFFFFF;
}

.page-bnc__faq-section .page-bnc__section-description {
  color: #f0f0f0;
}

.page-bnc__faq-list {
  margin-top: 40px;
  text-align: left;
}

.page-bnc__faq-item {
  margin-bottom: 20px;
  padding: 20px 30px;
  cursor: pointer;
  color: #333333;
  background-color: #FFFFFF;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
  border-radius: 10px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.page-bnc__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.2em;
  font-weight: 600;
  color: #26A9E0;
  list-style: none;
  padding: 0;
  user-select: none;
}

.page-bnc__faq-item summary::-webkit-details-marker {
  display: none;
}

.page-bnc__faq-item .page-bnc__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: #EA7C07;
  transition: transform 0.3s ease;
}

.page-bnc__faq-item[open] .page-bnc__faq-toggle {
  transform: rotate(45deg);
}

.page-bnc__faq-item .page-bnc__faq-answer {
  padding-top: 15px;
  font-size: 1em;
  color: #555555;
  line-height: 1.7;
  border-top: 1px solid #eee;
  margin-top: 15px;
}

/* Final CTA Section */
.page-bnc__final-cta {
  padding: 80px 0;
  background-color: #FFFFFF;
  color: #333333;
}

.page-bnc__cta-content {
  max-width: 900px;
}

/* Color Contrast Fix */
.page-bnc__contrast-fix {
  background: #ffffff !important;
  color: #333333 !important;
  border: 1px solid #e0e0e0 !important;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .page-bnc__main-title {
    font-size: clamp(2em, 4vw, 3em);
  }
  .page-bnc__section-title {
    font-size: clamp(1.8em, 3.5vw, 2.5em);
  }
  .page-bnc__description {
    font-size: 1.1em;
  }
}

@media (max-width: 768px) {
  .page-bnc__section {
    padding: 40px 0;
  }
  .page-bnc__hero-section {
    padding: 10px 0 40px 0; /* body đã xử lý padding-top cho header */
  }
  .page-bnc__container {
    padding: 0 15px;
  }

  /* Image responsiveness */
  .page-bnc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-bnc__hero-image-wrapper,
  .page-bnc__card,
  .page-bnc__container,
  .page-bnc__feature-card,
  .page-bnc__step-card,
  .page-bnc__game-card,
  .page-bnc__promo-card,
  .page-bnc__reason-card,
  .page-bnc__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* Button responsiveness */
  .page-bnc__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }
  .page-bnc__btn-primary,
  .page-bnc__btn-secondary,
  .page-bnc a[class*="button"],
  .page-bnc a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-bnc__cta-buttons,
  .page-bnc__button-group,
  .page-bnc__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }

  .page-bnc__hero-content {
    padding: 0 15px;
  }

  .page-bnc__feature-grid,
  .page-bnc__game-grid,
  .page-bnc__promo-grid,
  .page-bnc__steps-grid,
  .page-bnc__reason-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-bnc__card-image {
    min-height: 200px;
  }
}

@media (max-width: 480px) {
  .page-bnc__main-title {
    font-size: clamp(1.8em, 6vw, 2.5em);
  }
  .page-bnc__section-title {
    font-size: clamp(1.5em, 5vw, 2em);
  }
  .page-bnc__description {
    font-size: 1em;
  }
  .page-bnc__btn-primary,
  .page-bnc__btn-secondary {
    font-size: 1em;
    padding: 12px 20px;
  }
  .page-bnc__card-title {
    font-size: 1.3em;
  }
  .page-bnc__faq-item summary {
    font-size: 1em;
  }
}