.page-about-us {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #ffffff; /* Default text color for dark body background */
  background-color: #0a0a0a; /* Body background from shared.css */
}

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

.page-about-us__dark-bg {
  background-color: #017439; /* Brand primary color for dark sections */
  color: #ffffff;
}

.page-about-us__light-bg {
  background-color: #ffffff; /* Brand auxiliary color for light sections */
  color: #333333; /* Dark text for light backgrounds */
}

/* Hero Section */
.page-about-us__hero-section {
  padding: 80px 20px;
  padding-top: var(--header-offset, 120px); /* Ensure space below fixed header */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 40px;
}

.page-about-us__hero-content {
  max-width: 800px;
}

.page-about-us__hero-title {
  font-size: 2.8em;
  margin-bottom: 20px;
  color: #FFFF00; /* Yellow for 강조 */
  line-height: 1.2;
}

.page-about-us__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  color: #f0f0f0;
}

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

.page-about-us__btn-primary,
.page-about-us__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
  max-width: 100%; /* Ensure button responsiveness */
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-about-us__btn-primary {
  background-color: #C30808; /* Register/Login color */
  color: #FFFF00; /* Register/Login font color */
  border: 2px solid #C30808;
}

.page-about-us__btn-primary:hover {
  background-color: #a00606;
  border-color: #a00606;
}

.page-about-us__btn-secondary {
  background-color: transparent;
  color: #FFFF00; /* Register/Login font color */
  border: 2px solid #FFFF00;
}

.page-about-us__btn-secondary:hover {
  background-color: #FFFF00;
  color: #C30808;
}

.page-about-us__hero-image-wrapper {
  width: 100%;
  max-width: 1000px;
  margin-top: 40px;
}

.page-about-us__hero-image {
  width: 100%;
  height: auto;
  border-radius: 10px;
  display: block;
  object-fit: cover;
}

/* Mission Vision Section */
.page-about-us__mission-vision {
  padding: 60px 0;
  text-align: center;
}

.page-about-us__card-group {
  display: flex;
  gap: 30px;
  flex-wrap: wrap;
  justify-content: center;
}

.page-about-us__card {
  background-color: #f5f5f5;
  color: #333333;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  flex: 1;
  min-width: 300px;
  max-width: 550px;
  text-align: left;
  box-sizing: border-box;
}

.page-about-us__card-title {
  font-size: 1.8em;
  color: #017439;
  margin-bottom: 15px;
}

.page-about-us__card-text {
  font-size: 1em;
  color: #555555;
}

/* Why Choose Us Section */
.page-about-us__why-choose-us {
  padding: 60px 0;
  text-align: center;
}

.page-about-us__section-title {
  font-size: 2.5em;
  margin-bottom: 50px;
  color: #FFFF00; /* Yellow for titles in dark section */
  text-align: center;
}

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

.page-about-us__feature-item {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  color: #ffffff;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-about-us__feature-item:hover {
  transform: translateY(-10px);
  background-color: rgba(255, 255, 255, 0.2);
}

.page-about-us__feature-icon {
  width: 100%; /* Ensure images fill container */
  max-width: 200px; /* Example max-width for feature icons */
  height: auto;
  margin-bottom: 20px;
  border-radius: 5px;
  object-fit: cover;
}

.page-about-us__feature-title {
  font-size: 1.5em;
  color: #FFFF00;
  margin-bottom: 15px;
}

.page-about-us__feature-description {
  font-size: 0.95em;
  color: #f0f0f0;
}

/* Responsible Gaming Section */
.page-about-us__responsible-gaming {
  padding: 60px 0;
  text-align: center;
}

.page-about-us__text-block {
  font-size: 1.1em;
  margin-bottom: 30px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: #333333;
}

/* Team Section */
.page-about-us__team-section {
  padding: 60px 0;
  text-align: center;
}

.page-about-us__team-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  margin-top: 40px;
  border-radius: 10px;
  object-fit: cover;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

/* FAQ Section */
.page-about-us__faq-section {
  padding: 60px 0;
}

.page-about-us__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.page-about-us__faq-item {
  background-color: #f5f5f5;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-about-us__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  cursor: pointer;
  background-color: #ffffff;
  color: #333333;
  font-weight: bold;
  border-bottom: 1px solid #eee;
}

.page-about-us__faq-question h3 {
  margin: 0;
  font-size: 1.2em;
  color: #017439;
}

.page-about-us__faq-toggle {
  font-size: 1.5em;
  font-weight: normal;
  color: #017439;
  transition: transform 0.3s ease;
}

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

.page-about-us__faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 20px;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
  background-color: #f5f5f5;
  color: #555555;
}

.page-about-us__faq-item.active .page-about-us__faq-answer {
  max-height: 1000px !important; /* Sufficiently large to contain content */
  padding: 15px 20px;
}

.page-about-us__faq-answer p {
  margin: 0;
  font-size: 1em;
  line-height: 1.6;
}

/* CTA Section */
.page-about-us__cta-section {
  padding: 60px 0;
  text-align: center;
}

.page-about-us__cta-title {
  font-size: 2.5em;
  color: #FFFF00;
  margin-bottom: 20px;
}

.page-about-us__cta-description {
  font-size: 1.2em;
  color: #f0f0f0;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-about-us__hero-title {
    font-size: 2.2em;
  }
  .page-about-us__section-title,
  .page-about-us__cta-title {
    font-size: 2em;
  }
}

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

  .page-about-us__hero-section {
    flex-direction: column;
    padding: 60px 15px;
    padding-top: var(--header-offset, 120px) !important;
  }

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

  .page-about-us__hero-description {
    font-size: 1em;
  }

  .page-about-us__hero-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
  }

  .page-about-us__btn-primary,
  .page-about-us__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-about-us__section-title,
  .page-about-us__cta-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

  .page-about-us__mission-vision,
  .page-about-us__why-choose-us,
  .page-about-us__responsible-gaming,
  .page-about-us__team-section,
  .page-about-us__faq-section,
  .page-about-us__cta-section {
    padding: 40px 0;
  }

  .page-about-us__container {
    padding: 0 15px;
  }

  .page-about-us__card-group {
    flex-direction: column;
    gap: 20px;
  }

  .page-about-us__card {
    min-width: unset;
    max-width: 100%;
  }

  .page-about-us__feature-item {
    padding: 20px;
  }

  .page-about-us__feature-icon {
    max-width: 150px;
  }

  .page-about-us__team-image {
    max-width: 100%;
  }

  .page-about-us__faq-question {
    padding: 15px;
  }

  .page-about-us__faq-question h3 {
    font-size: 1.1em;
  }

  /* Image and Video responsiveness */
  .page-about-us img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-about-us__section,
  .page-about-us__card,
  .page-about-us__container,
  .page-about-us__hero-section,
  .page-about-us__mission-vision,
  .page-about-us__why-choose-us,
  .page-about-us__responsible-gaming,
  .page-about-us__team-section,
  .page-about-us__faq-section,
  .page-about-us__cta-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow-x: hidden !important; /* Prevent horizontal scroll */
  }

  /* Buttons within sections */
  .page-about-us__cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow-x: hidden !important;
  }

  .page-about-us__cta-button,
  .page-about-us a[class*="button"],
  .page-about-us a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
}

@media (max-width: 480px) {
  .page-about-us__hero-title {
    font-size: 1.5em;
  }
  .page-about-us__section-title,
  .page-about-us__cta-title {
    font-size: 1.5em;
  }
  .page-about-us__card-title {
    font-size: 1.5em;
  }
  .page-about-us__feature-title {
    font-size: 1.2em;
  }
  .page-about-us__faq-question h3 {
    font-size: 1em;
  }
}