/* style/about.css */

/* Cấu hình chung cho trang Về Chúng Tôi */
.page-about {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #ffffff; /* Mặc định chữ trắng trên nền tối của body */
}

/* Đảm bảo nội dung không bị che bởi header cố định */
.page-about__hero-section {
  padding-top: 120px; /* Khoảng cách cho header cố định */
  padding-bottom: 60px;
}

@media (max-width: 768px) {
  .page-about__hero-section {
    padding-top: 100px; /* Khoảng cách cho header cố định trên mobile */
    padding-bottom: 40px;
  }
}

/* Các phần nền tối */
.page-about__dark-section {
  background-color: #1A1A1A;
  color: #ffffff;
}

/* Các phần nền sáng */
.page-about__light-bg {
  background-color: #f0f0f0; /* Nền sáng để chữ tối */
  color: #333333;
}

/* Container chung */
.page-about__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

/* Tiêu đề chính */
.page-about__main-heading {
  font-size: 42px;
  font-weight: 700;
  color: #FFD700; /* Màu vàng phụ trợ */
  text-align: center;
  margin-bottom: 25px;
  line-height: 1.2;
}

/* Văn bản giới thiệu */
.page-about__intro-text {
  font-size: 18px;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px auto;
  color: #e0e0e0;
}

/* Tiêu đề các phần */
.page-about__section-heading {
  font-size: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 30px;
  color: inherit; /* Kế thừa màu từ section cha */
}

.page-about__dark-section .page-about__section-heading {
  color: #FFD700;
}

.page-about__light-bg .page-about__section-heading {
  color: #1A1A1A;
}

/* Tiêu đề phụ */
.page-about__sub-heading {
  font-size: 28px;
  font-weight: 600;
  margin-top: 30px;
  margin-bottom: 15px;
  color: inherit;
}

.page-about__dark-section .page-about__sub-heading {
  color: #ffffff;
}

.page-about__light-bg .page-about__sub-heading {
  color: #1A1A1A;
}

/* Văn bản giới thiệu phần */
.page-about__section-intro {
  font-size: 17px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 30px auto;
  color: inherit;
}

.page-about__dark-section .page-about__section-intro {
  color: #e0e0e0;
}

.page-about__light-bg .page-about__section-intro {
  color: #555555;
}

/* Hình ảnh responsive chung */
.page-about img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-about__hero-image-wrapper {
  width: 100%;
  max-width: 1000px;
  margin: 40px auto 0 auto;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

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

.page-about__image-center .page-about__image {
  max-width: 800px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Grid nội dung */
.page-about__content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.page-about__content-grid .page-about__text-block p {
  margin-bottom: 15px;
  font-size: 16px;
}

.page-about__content-grid .page-about__image-block .page-about__image {
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* Danh sách giá trị cốt lõi */
.page-about__value-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  list-style: none;
  padding: 0;
  margin: 40px 0;
}

.page-about__value-item {
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-about__value-item:hover {
  transform: translateY(-8px);
  background-color: rgba(255, 255, 255, 0.1);
}

.page-about__value-title {
  font-size: 22px;
  font-weight: 600;
  color: #FFD700;
  margin-top: 0;
  margin-bottom: 15px;
}

.page-about__value-item p {
  font-size: 15px;
  color: #e0e0e0;
}

/* Danh mục trò chơi */
.page-about__game-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-about__game-card {
  background-color: #ffffff;
  border-radius: 10px;
  padding: 25px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: #333333;
}

.page-about__game-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.page-about__game-card-title {
  font-size: 20px;
  font-weight: 600;
  color: #1A1A1A;
  margin-top: 0;
  margin-bottom: 15px;
}

.page-about__game-card p {
  font-size: 15px;
  color: #555555;
}

/* Danh sách lợi ích */
.page-about__advantage-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  list-style: none;
  padding: 0;
  margin: 40px 0;
}

.page-about__advantage-item {
  background-color: #ffffff;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: #333333;
}

.page-about__advantage-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.page-about__advantage-title {
  font-size: 22px;
  font-weight: 600;
  color: #1A1A1A;
  margin-top: 0;
  margin-bottom: 15px;
}

.page-about__advantage-item p {
  font-size: 15px;
  color: #555555;
}

/* Phần CTA */
.page-about__cta-content {
  text-align: center;
  padding: 60px 20px;
}

.page-about__cta-buttons {
  margin-top: 40px;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.page-about__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: 600;
  text-decoration: none;
  transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
  cursor: pointer;
  border: none;
}

.page-about__btn-primary {
  background-color: #FFD700;
  color: #1A1A1A;
}

.page-about__btn-primary:hover {
  background-color: #e6c200;
  transform: translateY(-3px);
}

.page-about__btn-secondary {
  background-color: #1A1A1A;
  color: #ffffff;
  border: 2px solid #FFD700;
}

.page-about__btn-secondary:hover {
  background-color: #333333;
  border-color: #e6c200;
  transform: translateY(-3px);
}

/* FAQ Section */
.page-about__faq-list {
  margin-top: 40px;
}

.page-about__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  background-color: rgba(255, 255, 255, 0.08);
}

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: #1A1A1A;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-about__faq-question:hover {
  background: #2a2a2a;
  border-color: rgba(255, 255, 255, 0.2);
}

.page-about__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  color: #ffffff;
  pointer-events: none;
}

.page-about__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
  color: #FFD700;
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
}

.page-about__faq-item.active .page-about__faq-toggle {
  color: #ffffff;
  transform: rotate(45deg);
}

.page-about__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
  padding: 0 25px;
  opacity: 0;
}

.page-about__faq-item.active .page-about__faq-answer {
  max-height: 2000px !important;
  padding: 20px 25px !important;
  opacity: 1;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0 0 8px 8px;
}

.page-about__faq-answer p {
  font-size: 16px;
  color: #e0e0e0;
  margin: 0;
}

/* Responsive */
@media (max-width: 1024px) {
  .page-about__main-heading {
    font-size: 38px;
  }
  .page-about__section-heading {
    font-size: 32px;
  }
  .page-about__sub-heading {
    font-size: 24px;
  }
  .page-about__content-grid {
    grid-template-columns: 1fr;
  }
  .page-about__content-grid .page-about__image-block {
    order: -1; /* Hình ảnh lên trước trên mobile */
  }
  .page-about__value-list, .page-about__game-categories, .page-about__advantage-list {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-about__container {
    padding: 30px 15px;
  }
  .page-about__main-heading {
    font-size: 32px;
    margin-bottom: 20px;
  }
  .page-about__intro-text {
    font-size: 16px;
    margin-bottom: 30px;
  }
  .page-about__section-heading {
    font-size: 28px;
    margin-bottom: 25px;
  }
  .page-about__sub-heading {
    font-size: 22px;
    margin-top: 25px;
    margin-bottom: 10px;
  }
  .page-about__section-intro {
    font-size: 15px;
    margin-bottom: 25px;
  }
  .page-about__value-list, .page-about__game-categories, .page-about__advantage-list {
    grid-template-columns: 1fr;
    gap: 20px;
    margin: 30px 0;
  }
  .page-about__value-item, .page-about__game-card, .page-about__advantage-item {
    padding: 20px;
  }
  .page-about__value-title, .page-about__game-card-title, .page-about__advantage-title {
    font-size: 20px;
  }
  .page-about__value-item p, .page-about__game-card p, .page-about__advantage-item p {
    font-size: 14px;
  }
  .page-about__btn {
    padding: 12px 25px;
    font-size: 16px;
  }
  .page-about__cta-buttons {
    gap: 15px;
  }
  .page-about__faq-question {
    padding: 15px 20px;
  }
  .page-about__faq-question h3 {
    font-size: 16px;
  }
  .page-about__faq-toggle {
    font-size: 24px;
    width: 25px;
    height: 25px;
  }
  .page-about__faq-answer {
    padding: 0 20px;
  }
  .page-about__faq-item.active .page-about__faq-answer {
    padding: 15px 20px !important;
  }
  .page-about__faq-answer p {
    font-size: 15px;
  }

  /* Force responsive images */
  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-about__container,
  .page-about__hero-section,
  .page-about__mission-vision-section,
  .page-about__values-section,
  .page-about__game-diversity-section,
  .page-about__security-support-section,
  .page-about__advantages-section,
  .page-about__faq-section,
  .page-about__call-to-action-section,
  .page-about__value-item,
  .page-about__game-card,
  .page-about__advantage-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-about__hero-image-wrapper,
  .page-about__image-center .page-about__image {
    max-width: 100% !important;
    width: 100% !important;
  }
}