.page-about {
  font-family: 'Arial', sans-serif;
  color: #f0f0f0;
  background-color: #1a202c;
  line-height: 1.6;
}

.page-about .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-about .hero-section {
  background: linear-gradient(135deg, #1a202c, #2d3748);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-about .hero-container {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
}

.page-about .hero-title {
  font-size: 3.5em;
  color: #e53e3e;
  margin-bottom: 20px;
  text-shadow: 0 0 15px rgba(229, 62, 62, 0.7);
}

.page-about .hero-description {
  font-size: 1.3em;
  color: #e2e8f0;
  margin-bottom: 40px;
}

.page-about .cta-button {
  display: inline-block;
  padding: 15px 40px;
  background: #e53e3e;
  color: #ffffff;
  text-decoration: none;
  border-radius: 8px;
  font-size: 1.2em;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.page-about .cta-button:hover {
  background: #c53030;
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-about .cta-button.large {
  padding: 18px 50px;
  font-size: 1.4em;
}

.page-about .cta-button.secondary {
  background: #2d3748;
  margin-left: 20px;
}

.page-about .cta-button.secondary:hover {
  background: #4a5568;
}

.page-about .introduction-section, 
.page-about history-mission-section, 
.page-about values-section, 
.page-about services-section, 
.page-about security-support-section, 
.page-about responsible-gambling-section, 
.page-about cta-section, 
.page-about faq-section {
  padding: 60px 0;
  border-bottom: 1px solid #2d3748;
}

.page-about .section-title {
  font-size: 2.5em;
  color: #e53e3e;
  text-align: center;
  margin-bottom: 40px;
  text-shadow: 0 0 10px rgba(229, 62, 62, 0.5);
}

.page-about .section-subtitle {
  font-size: 1.2em;
  color: #a0aec0;
  text-align: center;
  margin-bottom: 50px;
}

.page-about .content-block {
  flex: 1;
  padding: 20px;
}

.page-about .content-block p {
  margin-bottom: 15px;
  color: #cbd5e0;
  font-size: 1.1em;
}

.page-about .content-block p strong {
  color: #e53e3e;
}

.page-about .image-block {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 20px;
}

.page-about .main-image, .page-about .side-image, .page-about .card-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  transition: transform 0.3s ease;
}

.page-about .main-image:hover, .page-about .side-image:hover, .page-about .card-image:hover {
  transform: scale(1.02);
}

.page-about .introduction-section .container, 
.page-about .history-mission-section .container, 
.page-about .security-support-section .container {
  display: flex;
  align-items: center;
  gap: 40px;
}

.page-about .history-mission-section .content-block.reverse {
  order: 2;
}

.page-about .history-mission-section .image-block {
  order: 1;
}

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

.page-about .value-item, .page-about .service-card {
  background-color: #2d3748;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-about .value-item:hover, .page-about .service-card:hover {
  transform: translateY(-10px);
  background-color: #4a5568;
}

.page-about .value-icon {
  width: 80px;
  height: 80px;
  margin-bottom: 20px;
  object-fit: contain;
  filter: none; /* Đảm bảo không thay đổi màu sắc hình ảnh */
}

.page-about .value-title, .page-about .card-title {
  font-size: 1.8em;
  color: #e53e3e;
  margin-bottom: 15px;
}

.page-about .card-title a {
  color: #e53e3e;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-about .card-title a:hover {
  color: #ffffff;
}

.page-about .card-description {
  color: #a0aec0;
  font-size: 1em;
}

.page-about .card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

/* FAQ Styles */
.page-about .faq-section {
  padding: 60px 0;
  background-color: #1a202c;
}

.page-about .faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 15px;
  border: 1px solid #2d3748;
  border-radius: 8px;
  overflow: hidden;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: #2d3748;
  color: #e2e8f0;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.faq-question:hover {
  background: #4a5568;
}

.faq-question h3 {
  margin: 0;
  font-size: 1.3em;
  color: #e53e3e; /* Đảm bảo màu sắc tương phản cao */
}

.faq-toggle {
  font-size: 1.8em;
  font-weight: bold;
  transition: transform 0.3s ease;
  color: #e53e3e;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
  padding: 0 25px;
  background: #1a202c;
  color: #cbd5e0;
}

.faq-item.active .faq-answer {
  max-height: 500px; /* Đủ cao để chứa nội dung */
  padding: 20px 25px;
  border-top: 1px solid #2d3748;
}

.faq-answer p {
  margin: 0;
  font-size: 1.1em;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-about .hero-title {
    font-size: 3em;
  }
  .page-about .section-title {
    font-size: 2em;
  }
  .page-about .introduction-section .container, 
  .page-about .history-mission-section .container, 
  .page-about .security-support-section .container {
    flex-direction: column;
    text-align: center;
  }
  .page-about .history-mission-section .content-block.reverse {
    order: initial;
  }
  .page-about .history-mission-section .image-block {
    order: initial;
  }
}

@media (max-width: 768px) {
  .page-about .hero-title {
    font-size: 2.5em;
  }
  .page-about .hero-description {
    font-size: 1.1em;
  }
  .page-about .cta-button {
    padding: 12px 25px;
    font-size: 1em;
    margin: 10px 0;
  }
  .page-about .cta-button.secondary {
    margin-left: 0;
  }
  .page-about .section-title {
    font-size: 1.8em;
  }
  .page-about .section-subtitle {
    font-size: 1em;
  }
  .page-about .values-grid, .page-about .services-grid {
    grid-template-columns: 1fr;
  }
  .page-about .value-item, .page-about .service-card {
    padding: 20px;
  }
  .page-about .value-title, .page-about .card-title {
    font-size: 1.5em;
  }
  .faq-question {
    padding: 15px 20px;
  }
  .faq-question h3 {
    font-size: 1.1em;
  }
  .faq-toggle {
    font-size: 1.5em;
  }
  .faq-answer {
    padding: 0 20px;
  }
  .faq-item.active .faq-answer {
    padding: 15px 20px;
  }
}