/* style/bnc.css */
:root {
  --primary-color: #2F6BFF;
  --secondary-color: #6FA3FF;
  --button-gradient: linear-gradient(180deg, #4A8BFF 0%, #2F6BFF 100%);
  --card-bg: #FFFFFF;
  --background-page: #F4F7FB;
  --text-main: #1F2D3D;
  --text-black: #000000;
  --border-color: #D6E2FF;
  --glow-color: #A5C4FF;
}

.page-bnc {
  font-family: 'Arial', sans-serif;
  color: var(--text-main);
  background-color: var(--background-page);
}

.page-bnc__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 10px; /* body already handles --header-offset */
  color: #ffffff;
  text-align: center;
  overflow: hidden;
  background-color: var(--primary-color);
}

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

.page-bnc__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.7); /* Slightly darken image for text readability */
}

.page-bnc__hero-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  margin-top: 20px;
}

.page-bnc__main-title {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: #ffffff;
  font-size: clamp(2.5rem, 5vw, 3.5rem);
}

.page-bnc__description {
  font-size: 1.15rem;
  line-height: 1.6;
  margin-bottom: 30px;
  color: #f0f0f0;
}

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

.page-bnc__btn-primary,
.page-bnc__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

.page-bnc__btn-primary {
  background: var(--button-gradient);
  color: #ffffff;
  border: 2px solid transparent;
}

.page-bnc__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

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

.page-bnc__btn-secondary:hover {
  background: var(--primary-color);
  color: #ffffff;
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-bnc__btn-small {
  padding: 10px 20px;
  font-size: 0.9rem;
}

.page-bnc__btn-large {
  padding: 18px 35px;
  font-size: 1.1rem;
}

.page-bnc__section {
  padding: 80px 20px;
  text-align: center;
  overflow: hidden;
  box-sizing: border-box;
}

.page-bnc__container {
  max-width: 1200px;
  margin: 0 auto;
  box-sizing: border-box;
  width: 100%;
}

.page-bnc__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 20px;
  line-height: 1.3;
}

.page-bnc__section-subtitle {
  font-size: 1.1rem;
  color: #666;
  margin-bottom: 40px;
  line-height: 1.5;
}

.page-bnc__dark-section .page-bnc__section-title,
.page-bnc__dark-section .page-bnc__section-subtitle,
.page-bnc__dark-section .page-bnc__description {
  color: #ffffff;
}

.page-bnc__about-game .page-bnc__section-title {
  color: var(--text-main);
}

.page-bnc__grid-2-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  text-align: left;
}

.page-bnc__text-content p {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 15px;
  color: var(--text-main);
}

.page-bnc__image-wrapper {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-bnc__image {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.page-bnc__features {
  background-color: var(--background-page);
}

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

.page-bnc__card {
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--text-main);
}

.page-bnc__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

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

.page-bnc__card-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-main);
}

.page-bnc__card-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #555;
}

.page-bnc__how-to-play {
  background-color: var(--primary-color);
  color: #ffffff;
}

.page-bnc__how-to-play .page-bnc__section-title,
.page-bnc__how-to-play .page-bnc__section-subtitle {
  color: #ffffff;
}

.page-bnc__steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-bnc__step-card {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-bnc__step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #ffffff;
  color: var(--primary-color);
  font-size: 1.8rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.page-bnc__step-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: #ffffff;
}

.page-bnc__step-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #f0f0f0;
}

.page-bnc__cta-center {
  margin-top: 50px;
}

.page-bnc__tips-strategy .page-bnc__section-title {
  color: var(--text-main);
}

.page-bnc__list {
  list-style: none;
  padding: 0;
  margin: 0;
  text-align: left;
}

.page-bnc__list li {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 10px;
  position: relative;
  padding-left: 25px;
  color: var(--text-main);
}

.page-bnc__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

.page-bnc__promotions {
  background-color: var(--background-page);
}

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

.page-bnc__promo-card {
  background: var(--card-bg);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  padding: 20px;
  text-align: center;
  transition: transform 0.3s ease;
  color: var(--text-main);
}

.page-bnc__promo-card:hover {
  transform: translateY(-5px);
}

.page-bnc__promo-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  margin-bottom: 15px;
  object-fit: cover;
  min-height: 200px; /* Ensure min size */
}

.page-bnc__promo-title {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--text-main);
}

.page-bnc__promo-text {
  font-size: 0.9rem;
  line-height: 1.6;
  color: #555;
}

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

.page-bnc__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  text-align: left;
}

.page-bnc__faq-item {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.page-bnc__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  background-color: #f9f9f9;
  border-bottom: 1px solid var(--border-color);
  list-style: none;
}

.page-bnc__faq-item[open] .page-bnc__faq-question {
  border-bottom: 1px solid var(--border-color);
}

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

.page-bnc__faq-qtext {
  flex-grow: 1;
}

.page-bnc__faq-toggle {
  font-size: 1.8rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--primary-color);
  transition: transform 0.3s ease;
}

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

.page-bnc__faq-answer {
  padding: 20px 25px;
  font-size: 1rem;
  line-height: 1.6;
  color: #444;
  background-color: var(--card-bg);
}

.page-bnc__cta-final {
  background-color: var(--primary-color);
  color: #ffffff;
  padding: 80px 20px;
}

.page-bnc__cta-final .page-bnc__section-title,
.page-bnc__cta-final .page-bnc__description {
  color: #ffffff;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .page-bnc__hero-content {
    padding: 0 15px;
  }
  .page-bnc__grid-2-col {
    grid-template-columns: 1fr;
  }
  .page-bnc__text-content {
    order: 2;
  }
  .page-bnc__image-wrapper {
    order: 1;
    margin-bottom: 30px;
  }
  .page-bnc__tips-strategy .page-bnc__text-content {
    order: 1;
  }
  .page-bnc__tips-strategy .page-bnc__image-wrapper {
    order: 2;
    margin-bottom: 0;
    margin-top: 30px;
  }
}

@media (max-width: 768px) {
  .page-bnc__section {
    padding: 40px 15px;
  }
  .page-bnc__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important; /* body already handles --header-offset */
  }
  .page-bnc__main-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
  }
  .page-bnc__description {
    font-size: 1rem;
  }
  .page-bnc__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    padding: 0 15px;
    box-sizing: border-box;
  }
  .page-bnc__btn-primary,
  .page-bnc__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px !important;
    font-size: 0.95rem !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  .page-bnc__container {
    padding-left: 15px;
    padding-right: 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-bnc__section,
  .page-bnc__card,
  .page-bnc__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-bnc__hero-image-wrapper,
  .page-bnc__image-wrapper,
  .page-bnc__promo-image,
  .page-bnc__card-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-bnc img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-bnc__feature-grid,
  .page-bnc__steps-grid,
  .page-bnc__promo-grid {
    grid-template-columns: 1fr;
  }
  .page-bnc__step-card {
    padding: 20px;
  }
  .page-bnc__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }
  .page-bnc__faq-answer {
    padding: 15px 20px;
  }
  .page-bnc__list li {
    font-size: 1rem;
  }
  .page-bnc__text-content p {
    font-size: 1rem;
  }
}

/* Ensure all images are responsive and not small */
.page-bnc img {
  max-width: 100%;
  height: auto;
  display: block;
  min-width: 200px;
  min-height: 200px;
}

/* Contrast fixes for potential issues */
.page-bnc__dark-bg {
  color: #ffffff;
  background: var(--primary-color);
}

.page-bnc__light-bg {
  color: var(--text-main);
  background: var(--background-page);
}

.page-bnc p,
.page-bnc li,
.page-bnc__card-text,
.page-bnc__promo-text {
  color: var(--text-main);
}

/* Specific adjustment for hero image filter */
.page-bnc__hero-image { 
  filter: brightness(0.7); 
}