/* style/bnc.css */
:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --text-color-dark: #333333;
  --text-color-light: #FFFFFF;
  --background-color-light: #F8F8F8;
  --background-color-dark: #1A202C;
  --login-button-color: #EA7C07;
}

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

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

.page-bnc__section-title {
  font-size: 2.8em;
  font-weight: 700;
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-bnc__section-description {
  font-size: 1.1em;
  color: var(--text-color-dark);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
}

/* Hero Section */
.page-bnc__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--background-color-dark);
  padding: 60px 0;
  padding-top: 10px; /* Small decorative padding, body handles header offset */
  position: relative;
  overflow: hidden;
}

.page-bnc__hero-image-wrapper {
  width: 100%;
  max-width: 1200px;
  margin-bottom: 40px;
}

.page-bnc__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  min-width: 200px;
  min-height: 200px;
}

.page-bnc__hero-content {
  text-align: center;
  max-width: 900px;
  color: var(--text-color-light);
  padding: 0 20px;
}

.page-bnc__main-title {
  font-size: clamp(2.5em, 5vw, 3.5em); /* Responsive H1, avoids fixed large size */
  font-weight: 800;
  color: var(--secondary-color);
  margin-bottom: 20px;
  line-height: 1.2;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.page-bnc__description {
  font-size: 1.2em;
  margin-bottom: 30px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
}

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

.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%;
  text-align: center;
}

.page-bnc__btn-primary {
  background-color: var(--primary-color);
  color: var(--text-color-light);
  border: 2px solid var(--primary-color);
}

.page-bnc__btn-primary:hover {
  background-color: #1a8cc4;
  border-color: #1a8cc4;
  transform: translateY(-2px);
}

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

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

/* Common Section Styles */
.page-bnc__features-section,
.page-bnc__how-to-play-section,
.page-bnc__games-section,
.page-bnc__promotions-section,
.page-bnc__faq-section,
.page-bnc__cta-section {
  padding: 80px 0;
  background-color: var(--background-color-light);
}

.page-bnc__how-to-play-section,
.page-bnc__games-section {
  background-color: var(--secondary-color);
}

.page-bnc__cta-section {
  background: linear-gradient(135deg, var(--primary-color), #1a8cc4);
  color: var(--text-color-light);
}

.page-bnc__cta-section .page-bnc__section-title,
.page-bnc__cta-section .page-bnc__section-description {
  color: var(--text-color-light);
}

.page-bnc__cta-section .page-bnc__btn-primary {
  background-color: var(--login-button-color);
  border-color: var(--login-button-color);
}
.page-bnc__cta-section .page-bnc__btn-primary:hover {
  background-color: #e06c00;
  border-color: #e06c00;
}
.page-bnc__cta-section .page-bnc__btn-secondary {
  color: var(--text-color-light);
  border-color: var(--text-color-light);
}
.page-bnc__cta-section .page-bnc__btn-secondary:hover {
  background-color: var(--text-color-light);
  color: var(--primary-color);
}

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

.page-bnc__feature-card {
  background-color: var(--secondary-color);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: transform 0.3s ease;
}

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

.page-bnc__feature-icon {
  width: 100%; /* Ensure full width */
  max-width: 250px; /* Limit max width of icon */
  height: auto;
  margin-bottom: 20px;
  min-width: 200px; /* Minimum size for content images */
  min-height: 200px;
  border-radius: 8px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

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

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

/* How To Play Section */
.page-bnc__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.page-bnc__step-card {
  background-color: var(--background-color-light);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  text-align: center;
  position: relative;
  padding-top: 60px;
}

.page-bnc__step-number {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary-color);
  color: var(--text-color-light);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8em;
  font-weight: 700;
  border: 4px solid var(--secondary-color);
}

.page-bnc__step-title {
  font-size: 1.4em;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 15px;
}

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

.page-bnc__cta-center {
  text-align: center;
}

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

.page-bnc__game-card {
  background-color: var(--background-color-light);
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: transform 0.3s ease;
}

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

.page-bnc__game-image {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 15px;
  min-width: 200px;
  min-height: 200px;
}

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

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

.page-bnc__btn-small {
  display: inline-block;
  padding: 10px 20px;
  background-color: var(--primary-color);
  color: var(--text-color-light);
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9em;
  transition: background-color 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-bnc__btn-small:hover {
  background-color: #1a8cc4;
}

/* Promotions Section */
.page-bnc__promo-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-bnc__promo-item {
  background-color: var(--secondary-color);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

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

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

/* FAQ Section */
.page-bnc__faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.page-bnc__faq-item {
  background-color: var(--secondary-color);
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

.page-bnc__faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 1.15em;
  font-weight: 600;
  color: var(--text-color-dark);
  transition: background-color 0.3s ease;
}

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

.page-bnc__faq-item summary:hover {
  background-color: #f0f0f0;
}

.page-bnc__faq-qtext {
  color: var(--primary-color);
}

.page-bnc__faq-toggle {
  font-size: 1.5em;
  font-weight: 700;
  color: var(--primary-color);
  margin-left: 15px;
}

.page-bnc__faq-answer {
  padding: 0 25px 20px;
  font-size: 1em;
  color: var(--text-color-dark);
  line-height: 1.7;
}

/* Responsive Styles */
@media (max-width: 992px) {
  .page-bnc__section-title {
    font-size: 2.2em;
  }
  .page-bnc__main-title {
    font-size: clamp(2em, 7vw, 3em);
  }
  .page-bnc__hero-content {
    max-width: 700px;
  }
  .page-bnc__features-grid,
  .page-bnc__steps-grid,
  .page-bnc__games-grid,
  .page-bnc__promo-list {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-bnc__hero-section {
    padding: 40px 0;
    padding-top: 10px !important;
  }
  .page-bnc__hero-image-wrapper {
    margin-bottom: 30px;
  }
  .page-bnc__hero-content {
    padding: 0 15px;
  }
  .page-bnc__main-title {
    font-size: clamp(1.8em, 8vw, 2.5em);
  }
  .page-bnc__description {
    font-size: 1.1em;
  }
  .page-bnc__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding: 0 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-bnc__btn-primary,
  .page-bnc__btn-secondary,
  .page-bnc__btn-small,
  .page-bnc a[class*="button"],
  .page-bnc a[class*="btn"] {
    width: 100% !important;
    max-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__container {
    padding: 0 15px;
  }
  .page-bnc__section-title {
    font-size: 1.8em;
  }
  .page-bnc__section-description {
    font-size: 1em;
    margin-bottom: 30px;
  }
  .page-bnc__features-section,
  .page-bnc__how-to-play-section,
  .page-bnc__games-section,
  .page-bnc__promotions-section,
  .page-bnc__faq-section,
  .page-bnc__cta-section {
    padding: 50px 0;
  }
  .page-bnc__feature-card,
  .page-bnc__step-card,
  .page-bnc__game-card,
  .page-bnc__promo-item {
    padding: 25px;
  }
  .page-bnc__faq-item summary {
    font-size: 1em;
    padding: 15px 20px;
  }
  .page-bnc__faq-answer {
    padding: 0 20px 15px;
  }

  /* Mobile image and video responsiveness */
  .page-bnc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-bnc video,
  .page-bnc__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-bnc__section,
  .page-bnc__card,
  .page-bnc__container,
  .page-bnc__hero-section,
  .page-bnc__video-section,
  .page-bnc__video-container,
  .page-bnc__video-wrapper,
  .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;
    overflow-x: hidden !important; /* Prevent horizontal scroll */
  }
}

@media (max-width: 480px) {
  .page-bnc__section-title {
    font-size: 1.6em;
  }
  .page-bnc__main-title {
    font-size: clamp(1.6em, 9vw, 2.2em);
  }
  .page-bnc__description {
    font-size: 0.95em;
  }
}