/* style/about.css */

/* Biến màu */
:root {
  --page-about-primary-color: #26A9E0;
  --page-about-secondary-color: #FFFFFF;
  --page-about-dark-text: #333333;
  --page-about-light-text: #FFFFFF;
  --page-about-background-light: #F8F8F8;
  --page-about-background-dark: #1A1A1A;
  --page-about-button-login-color: #EA7C07;
}

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

/* Hero Section */
.page-about__hero-section {
  position: relative;
  width: 100%;
  height: 600px; /* Điều chỉnh chiều cao phù hợp */
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  color: var(--page-about-light-text);
}

.page-about__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.page-about__hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  z-index: 2;
}

.page-about__hero-content {
  position: relative;
  z-index: 3;
  max-width: 900px;
  padding: 20px;
}

.page-about__hero-title {
  font-size: 3.5em;
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

.page-about__hero-description {
  font-size: 1.3em;
  margin-bottom: 30px;
  opacity: 0.9;
}

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

/* General Section Styling */
.page-about__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

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

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

.page-about__section-title--white {
  color: var(--page-about-light-text);
}

.page-about__sub-title {
  font-size: 1.8em;
  color: var(--page-about-primary-color);
  margin-top: 30px;
  margin-bottom: 15px;
  font-weight: bold;
}

.page-about__sub-title--white {
  color: var(--page-about-light-text);
}

.page-about__paragraph {
  font-size: 1.1em;
  margin-bottom: 20px;
  line-height: 1.7;
}

.page-about__paragraph--white {
  color: var(--page-about-light-text);
}

.page-about__list-item {
  font-size: 1.1em;
  margin-bottom: 10px;
  line-height: 1.6;
}

.page-about__list-item--white {
  color: var(--page-about-light-text);
}

.page-about__value-list {
  list-style: disc;
  margin-left: 20px;
  padding-left: 0;
}

.page-about__value-list--white li {
  color: var(--page-about-light-text);
}

.page-about__content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 30px;
}

.page-about__content-grid--reverse {
  grid-template-columns: 1fr 1fr;
}

.page-about__image-block {
  text-align: center;
}

.page-about__image-fluid {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Card Styling */
.page-about__card {
  background: var(--page-about-secondary-color);
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
  padding: 30px;
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  height: 100%; /* Đảm bảo chiều cao bằng nhau trong grid */
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  color: var(--page-about-dark-text);
}

.page-about__card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-about__card-image {
  max-width: 100%;
  height: 200px; /* Chiều cao cố định cho hình ảnh trong card */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

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

.page-about__card-description {
  font-size: 1em;
  color: var(--page-about-dark-text);
  line-height: 1.6;
  flex-grow: 1; /* Đẩy nội dung xuống dưới */
}

/* Button Styling */
.page-about__btn-primary,
.page-about__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 5px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  transition: background-color 0.3s ease, transform 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
  text-align: center;
}

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

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

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

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

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

.page-about__cta-buttons--center {
  text-align: center;
}

/* Section Specific Styles */
.page-about__mission-vision-section,
.page-about__why-choose-us-section,
.page-about__affiliate-section,
.page-about__faq-section {
  background-color: var(--page-about-background-light);
  padding: 60px 0;
}

.page-about__history-section,
.page-about__responsible-gambling-section,
.page-about__conclusion-section {
  background-color: var(--page-about-primary-color);
  padding: 60px 0;
  color: var(--page-about-light-text);
}

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

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

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

/* FAQ Section */
.page-about__faq-list {
  margin-top: 30px;
}

.page-about__faq-item {
  margin-bottom: 20px;
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  overflow: hidden;
  color: var(--page-about-dark-text);
}

.page-about__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background-color: var(--page-about-secondary-color);
  cursor: pointer;
  font-size: 1.2em;
  font-weight: bold;
  color: var(--page-about-primary-color);
  list-style: none; /* Hide default marker */
}

.page-about__faq-item summary::-webkit-details-marker {
  display: none; /* Hide default marker for webkit browsers */
}

.page-about__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 10px;
  color: var(--page-about-primary-color);
}

.page-about__faq-answer {
  padding: 20px;
  background-color: #f9f9f9;
  border-top: 1px solid #e0e0e0;
}

.page-about__faq-answer p {
  margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-about__hero-title {
    font-size: 3em;
  }
  .page-about__hero-description {
    font-size: 1.2em;
  }
  .page-about__section-title {
    font-size: 2em;
  }
  .page-about__sub-title {
    font-size: 1.6em;
  }
  .page-about__content-grid {
    grid-template-columns: 1fr;
  }
  .page-about__content-grid--reverse {
    grid-template-columns: 1fr;
  }
  .page-about__image-block {
    order: -1; /* Đảo ngược thứ tự cho hình ảnh trên di động */
  }
}

@media (max-width: 768px) {
  .page-about__hero-section {
    height: 500px;
  }
  .page-about__hero-title {
    font-size: 2.5em;
  }
  .page-about__hero-description {
    font-size: 1em;
  }
  .page-about__btn-primary, .page-about__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
  }
  .page-about__hero-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-about__container {
    padding: 30px 15px;
  }
  .page-about__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }
  .page-about__sub-title {
    font-size: 1.4em;
  }
  .page-about__paragraph, .page-about__list-item, .page-about__card-description {
    font-size: 0.95em;
  }
  .page-about__feature-grid {
    grid-template-columns: 1fr;
  }
  .page-about__card-title {
    font-size: 1.3em;
  }
  .page-about__faq-item summary {
    font-size: 1.1em;
    padding: 15px;
  }
  .page-about img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-about__section,
  .page-about__card,
  .page-about__container,
  .page-about__cta-buttons,
  .page-about__button-group,
  .page-about__btn-container,
  .page-about__video-section,
  .page-about__video-container,
  .page-about__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow-x: hidden !important;
  }
  .page-about__cta-buttons {
    flex-direction: column;
    gap: 10px;
  }
  .page-about__hero-section {
    padding-top: var(--header-offset, 120px) !important;
  }
}

@media (max-width: 480px) {
  .page-about__hero-section {
    height: 400px;
  }
  .page-about__hero-title {
    font-size: 2em;
  }
  .page-about__hero-description {
    font-size: 0.9em;
  }
  .page-about__section-title {
    font-size: 1.6em;
  }
  .page-about__card-image {
    height: 150px; /* Nhỏ hơn trên mobile */
  }
}