/* style/bnc.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không lặp lại */

:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --login-button-color: #EA7C07;
  --text-dark: #333333;
  --text-light: #ffffff;
  --background-light: #f8f9fa;
  --background-dark: #0a0a0a;
}

.page-bnc {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark); /* Mặc định cho nền sáng */
}

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

.page-bnc__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 10px; /* Nhỏ gọn để không bị che bởi header */
  padding-bottom: 60px;
  text-align: center;
  overflow: hidden;
  background-color: var(--primary-color);
}

.page-bnc__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 70vh; /* Giới hạn chiều cao hình ảnh */
}

.page-bnc__hero-content {
  position: relative;
  z-index: 2;
  margin-top: 30px;
  padding: 0 20px;
  color: var(--text-light);
  max-width: 900px;
}

.page-bnc__main-title {
  font-size: clamp(2em, 4vw, 3.2em); /* H1 font size with clamp */
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--text-light);
}

.page-bnc__description {
  font-size: 1.1em;
  margin-bottom: 30px;
  color: var(--text-light);
}

.page-bnc__cta-buttons {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-bnc__btn-primary,
.page-bnc__btn-secondary {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.05em;
  transition: background-color 0.3s ease, transform 0.2s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  max-width: 100%;
}

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

.page-bnc__btn-primary:hover {
  background-color: darken(var(--login-button-color), 10%);
  transform: translateY(-2px);
}

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

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

.page-bnc__btn-primary--large {
    padding: 18px 40px;
    font-size: 1.2em;
}

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

.page-bnc__section-title {
  font-size: 2.5em;
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: var(--primary-color);
}

.page-bnc__introduction .page-bnc__section-title {
  color: var(--primary-color);
}

.page-bnc__benefits .page-bnc__section-title {
  color: var(--text-light);
}

.page-bnc__games .page-bnc__section-title {
  color: var(--primary-color);
}

.page-bnc__guide .page-bnc__section-title {
  color: var(--text-light);
}

.page-bnc__promotions .page-bnc__section-title {
  color: var(--primary-color);
}

.page-bnc__faq .page-bnc__section-title {
  color: var(--text-light);
}

.page-bnc__conclusion .page-bnc__section-title {
  color: var(--text-light);
}

.page-bnc__text-block {
  font-size: 1.05em;
  margin-bottom: 20px;
  text-align: justify;
  color: var(--text-dark);
}

.page-bnc__text-block a {
  color: var(--primary-color);
  text-decoration: underline;
}

.page-bnc__image-content {
  display: block;
  width: 100%;
  height: auto;
  margin: 40px auto;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.page-bnc__image-content--center {
    margin-left: auto;
    margin-right: auto;
}

.page-bnc__dark-bg {
  background-color: var(--primary-color);
  color: var(--text-light);
}

.page-bnc__dark-bg .page-bnc__text-block {
  color: var(--text-light);
}

.page-bnc__dark-bg .page-bnc__text-block a {
  color: var(--secondary-color);
}

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

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

.page-bnc__card {
  background-color: var(--secondary-color);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  text-align: left;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: flex-start;
  color: var(--text-dark);
}

.page-bnc__card-title {
  font-size: 1.4em;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--primary-color);
}

.page-bnc__card-text {
  font-size: 1em;
  line-height: 1.5;
  color: var(--text-dark);
}

.page-bnc__card-text a {
  color: var(--primary-color);
  text-decoration: underline;
}

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

.page-bnc__game-card,
.page-bnc__promo-card {
  background-color: var(--secondary-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  display: flex;
  flex-direction: column;
}

.page-bnc__game-image,
.page-bnc__promo-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.page-bnc__game-title,
.page-bnc__promo-title {
  font-size: 1.3em;
  font-weight: 600;
  margin: 20px 15px 10px;
  color: var(--primary-color);
}

.page-bnc__game-title a,
.page-bnc__promo-title a {
  color: var(--primary-color);
  text-decoration: none;
}

.page-bnc__game-title a:hover,
.page-bnc__promo-title a:hover {
  text-decoration: underline;
}

.page-bnc__game-description,
.page-bnc__promo-text {
  font-size: 0.95em;
  color: var(--text-dark);
  padding: 0 15px 20px;
  flex-grow: 1;
}

.page-bnc__btn-text {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 600;
  margin-top: auto;
  padding-bottom: 20px;
  display: block;
}

.page-bnc__btn-text:hover {
  text-decoration: underline;
}

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

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

.page-bnc__guide-item {
  background-color: var(--secondary-color);
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  color: var(--text-dark);
}

.page-bnc__guide-title {
  font-size: 1.5em;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--primary-color);
}

.page-bnc__guide-item ol {
  list-style-type: decimal;
  margin-left: 20px;
  margin-bottom: 20px;
  padding-left: 0;
}

.page-bnc__guide-item ol li {
  margin-bottom: 10px;
  color: var(--text-dark);
}

.page-bnc__guide-item .page-bnc__btn-primary {
  margin-top: 20px;
  width: auto;
  display: inline-block;
  padding: 12px 25px;
  font-size: 1em;
}

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

.page-bnc__faq-item {
  background-color: var(--secondary-color);
  border-radius: 12px;
  margin-bottom: 15px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  color: var(--text-dark);
}

.page-bnc__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  font-size: 1.15em;
  font-weight: 600;
  color: var(--primary-color);
  list-style: none; /* Remove default marker */
}

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

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

.page-bnc__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  transition: transform 0.3s ease;
}

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

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

.page-bnc__faq-answer p {
  margin-top: 0;
  margin-bottom: 10px;
}

.page-bnc__faq-answer a {
  color: var(--primary-color);
  text-decoration: underline;
}

/* Responsive styles */
@media (max-width: 1024px) {
  .page-bnc__main-title {
    font-size: clamp(2em, 5vw, 2.8em);
  }

  .page-bnc__section-title {
    font-size: 2em;
  }
}

@media (max-width: 768px) {
  .page-bnc {
    font-size: 16px;
    line-height: 1.6;
  }

  .page-bnc__hero-section {
    padding-top: 10px !important;
    padding-bottom: 40px;
  }

  .page-bnc__hero-content {
    margin-top: 20px;
    padding: 0 15px;
  }

  .page-bnc__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
    margin-bottom: 15px;
  }

  .page-bnc__description {
    font-size: 1em;
    margin-bottom: 25px;
  }

  .page-bnc__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }

  .page-bnc__btn-primary,
  .page-bnc__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
    margin: 0 auto; /* Center buttons */
  }

  .page-bnc__btn-primary--large {
    padding: 15px 30px;
    font-size: 1.1em;
  }

  .page-bnc__section {
    padding: 40px 0;
  }

  .page-bnc__container {
    padding: 0 15px;
  }

  .page-bnc__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

  .page-bnc__text-block {
    font-size: 0.95em;
  }

  .page-bnc__grid,
  .page-bnc__game-cards,
  .page-bnc__promo-cards,
  .page-bnc__guide-steps {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-bnc__card,
  .page-bnc__game-card,
  .page-bnc__promo-card,
  .page-bnc__guide-item,
  .page-bnc__faq-item {
    padding: 20px;
  }

  .page-bnc__image-content,
  .page-bnc__game-image,
  .page-bnc__promo-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-bnc__faq-item summary {
    font-size: 1em;
    padding: 15px 20px;
  }

  .page-bnc__faq-answer {
    padding: 0 20px 15px;
  }

  /* Ensure all containers are responsive */
  .page-bnc__hero-section,
  .page-bnc__section,
  .page-bnc__container,
  .page-bnc__grid,
  .page-bnc__game-cards,
  .page-bnc__promo-cards,
  .page-bnc__guide-steps,
  .page-bnc__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow-x: hidden !important; /* Prevent horizontal scroll */
  }
}

/* Color contrast fixes */
.page-bnc__dark-bg {
  background-color: var(--primary-color);
  color: var(--text-light);
}

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

.page-bnc__dark-bg .page-bnc__text-block {
  color: var(--text-light);
}

.page-bnc__dark-bg .page-bnc__text-block a {
  color: var(--secondary-color);
}

.page-bnc__btn-primary {
  background-color: var(--login-button-color);
  color: var(--text-light);
}

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

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

.page-bnc__card-title,
.page-bnc__game-title,
.page-bnc__promo-title,
.page-bnc__guide-title,
.page-bnc__faq-item summary {
  color: var(--primary-color);
}

.page-bnc__faq-item[open] .page-bnc__faq-toggle {
  color: var(--primary-color);
}