/* style/about.css */

/* Biến màu sắc */
:root {
  --page-about-primary-color: #26A9E0;
  --page-about-secondary-color: #FFFFFF;
  --page-about-login-color: #EA7C07;
  --page-about-black-color: #000000;
  --page-about-text-dark: #333333;
  --page-about-text-light: #ffffff;
  --page-about-bg-light: #f5f5f5;
}

/* Căn chỉnh tổng thể cho trang About Us */
.page-about {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--page-about-text-light); /* Mặc định chữ sáng trên nền tối của body */
  background-color: transparent; /* Body background handled by shared.css */
}

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

/* Hero Section */
.page-about__hero-section {
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--header-offset, 120px); /* Đảm bảo không bị header che */
}

.page-about__hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--page-about-primary-color), #1a7fb2);
  opacity: 0.9;
  z-index: -1;
}

.page-about__main-title {
  font-size: 3.2em;
  color: var(--page-about-secondary-color);
  margin-bottom: 20px;
  font-weight: bold;
}

.page-about__intro-text {
  font-size: 1.2em;
  color: var(--page-about-secondary-color);
  max-width: 800px;
  margin: 0 auto 40px auto;
}

/* Các Section chung */
.page-about__section {
  padding: 60px 0;
  background-color: var(--page-about-secondary-color); /* Nền sáng cho các section chính */
  color: var(--page-about-text-dark); /* Chữ tối trên nền sáng */
}

.page-about__dark-section {
  background-color: var(--page-about-primary-color);
  color: var(--page-about-text-light);
}

.page-about__section-title {
  font-size: 2.5em;
  text-align: center;
  margin-bottom: 20px;
  color: inherit; /* Kế thừa màu từ section cha */
}

.page-about__section-description {
  font-size: 1.1em;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px auto;
  color: inherit;
}

.page-about__sub-title {
  font-size: 1.8em;
  margin-top: 30px;
  margin-bottom: 15px;
  color: inherit;
}

.page-about__paragraph {
  font-size: 1em;
  line-height: 1.7;
  margin-bottom: 15px;
  color: inherit;
}

/* Mission & Vision Section */
.page-about__mission-vision {
  background-color: var(--page-about-bg-light);
  color: var(--page-about-text-dark);
}

.page-about__content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
}

.page-about__content-block {
  text-align: left;
}

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

/* Core Values Section */
.page-about__core-values {
  background-color: var(--page-about-primary-color);
  color: var(--page-about-text-light);
}

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

.page-about__value-card {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-about__card-image {
  width: 100%;
  max-width: 300px; /* Adjust as needed */
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
}

.page-about__card-title {
  font-size: 1.5em;
  color: var(--page-about-secondary-color);
  margin-bottom: 15px;
}

.page-about__card-text {
  font-size: 0.95em;
  color: var(--page-about-secondary-color);
  line-height: 1.7;
}

/* Safety & Fairness Section */
.page-about__safety-fairness {
  background-color: var(--page-about-secondary-color);
  color: var(--page-about-text-dark);
}

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

.page-about__feature-card {
  background-color: var(--page-about-bg-light);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  color: var(--page-about-text-dark);
}

/* Diverse Games Section */
.page-about__diverse-games {
  background-color: var(--page-about-primary-color);
  color: var(--page-about-text-light);
}

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

.page-about__category-card {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 25px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-about__category-card a {
  color: var(--page-about-secondary-color);
  text-decoration: none;
  font-weight: bold;
}

.page-about__category-card a:hover {
  text-decoration: underline;
}

/* Customer Experience Section */
.page-about__customer-experience {
  background-color: var(--page-about-secondary-color);
  color: var(--page-about-text-dark);
}

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

.page-about__feature-item {
  background-color: var(--page-about-bg-light);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  color: var(--page-about-text-dark);
}

.page-about__feature-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  object-fit: contain;
}

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

.page-about__feature-text {
  font-size: 0.95em;
  line-height: 1.7;
  color: var(--page-about-text-dark);
}

/* Social Responsibility Section */
.page-about__social-responsibility {
  background-color: var(--page-about-primary-color);
  color: var(--page-about-text-light);
}

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

.page-about__point-card {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* FAQ Section */
.page-about__faq-section {
  background-color: var(--page-about-secondary-color);
  color: var(--page-about-text-dark);
}

.page-about__faq-list {
  max-width: 800px;
  margin: 40px auto 0 auto;
}

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

.page-about__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  background-color: var(--page-about-secondary-color);
  color: var(--page-about-text-dark);
  border-bottom: 1px solid #eee;
}

.page-about__faq-question:hover {
  background-color: #f0f0f0;
}

.page-about__faq-title {
  font-size: 1.15em;
  margin: 0;
  color: inherit;
}

.page-about__faq-toggle {
  font-size: 1.5em;
  font-weight: bold;
  color: var(--page-about-primary-color);
  transition: transform 0.3s ease;
}

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

.page-about__faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 25px;
  transition: max-height 0.3s ease, padding 0.3s ease;
  background-color: var(--page-about-bg-light);
  color: var(--page-about-text-dark);
}

.page-about__faq-item.active .page-about__faq-answer {
  max-height: 1000px !important; /* Đủ lớn để chứa mọi nội dung */
  padding: 15px 25px 20px 25px;
}

/* CTA Section */
.page-about__cta-section {
  padding: 80px 0;
  text-align: center;
  background: linear-gradient(90deg, #1a7fb2, var(--page-about-primary-color));
  color: var(--page-about-text-light);
}

.page-about__cta-title {
  font-size: 2.8em;
  margin-bottom: 20px;
  color: var(--page-about-secondary-color);
}

.page-about__cta-description {
  font-size: 1.2em;
  max-width: 800px;
  margin: 0 auto 40px auto;
  color: var(--page-about-secondary-color);
}

/* Buttons */
.page-about__btn-primary {
  display: inline-block;
  background-color: var(--page-about-login-color); /* Màu cam cho nút chính */
  color: var(--page-about-secondary-color);
  padding: 15px 35px;
  border-radius: 50px;
  text-decoration: none;
  font-size: 1.1em;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
  border: none;
  cursor: pointer;
}

.page-about__btn-primary:hover {
  background-color: #d16b06;
  transform: translateY(-2px);
}

.page-about__btn-large {
  padding: 18px 45px;
  font-size: 1.3em;
}

/* Image specific styles */
.page-about img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-about__main-title {
    font-size: 2.8em;
  }
  .page-about__section-title {
    font-size: 2em;
  }
  .page-about__cta-title {
    font-size: 2.4em;
  }
}

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

  .page-about__hero-section {
    padding: 60px 0;
    padding-top: var(--header-offset, 120px) !important; /* Mobile fixed header offset */
  }

  .page-about__main-title {
    font-size: 2.2em;
    margin-bottom: 15px;
  }

  .page-about__intro-text,
  .page-about__section-description,
  .page-about__cta-description {
    font-size: 1em;
    margin-bottom: 20px;
  }

  .page-about__section-title {
    font-size: 1.8em;
  }

  .page-about__content-grid,
  .page-about__values-grid,
  .page-about__safety-features,
  .page-about__game-categories,
  .page-about__experience-features,
  .page-about__responsibility-points {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-about__content-block,
  .page-about__value-card,
  .page-about__feature-card,
  .page-about__category-card,
  .page-about__feature-item,
  .page-about__point-card {
    padding: 20px;
  }

  .page-about__card-image {
    max-width: 250px;
  }

  .page-about__card-title,
  .page-about__feature-title {
    font-size: 1.3em;
  }

  /* Mobile image responsiveness */
  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  /* Mobile video responsiveness - no videos on this page */

  /* Mobile button responsiveness */
  .page-about__cta-button,
  .page-about__btn-primary,
  .page-about__btn-secondary,
  .page-about a[class*="button"],
  .page-about 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-about__cta-buttons,
  .page-about__button-group,
  .page-about__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-about__section,
  .page-about__card,
  .page-about__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

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

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

/* Text contrast fix classes (if needed) */
.page-about__text-contrast-fix {
  color: var(--page-about-text-dark) !important;
}

/* Ensure content area images are not too small */
.page-about__section img {
  min-width: 200px;
  min-height: 200px;
}
.page-about__card-image {
  min-width: 200px;
  min-height: 200px;
}
.page-about__feature-icon {
  min-width: 60px; /* Icons are allowed to be small */
  min-height: 60px;
  max-width: 60px;
  max-height: 60px;
}