/* style/about.css */
/* body đã có padding-top: var(--header-offset); trang này không được thêm lại biến đó */

:root {
  --color-primary: #11A84E;
  --color-secondary: #22C768;
  --color-bg-dark: #08160F;
  --color-card-bg: #11271B;
  --color-text-main: #F2FFF6;
  --color-text-secondary: #A7D9B8;
  --color-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  --color-border: #2E7A4E;
  --color-glow: #57E38D;
  --color-gold: #F2C14E;
  --color-divider: #1E3A2A;
  --color-deep-green: #0A4B2C;
}

.page-about {
  font-family: Arial, sans-serif;
  color: var(--color-text-main); /* Deep Green body background, so light text */
  background-color: var(--color-bg-dark);
  line-height: 1.6;
}

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

/* Hero Section */
.page-about__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-bottom: 60px; /* Space for content below image */
  padding-top: 10px; /* Small top padding, body handles header offset */
}

.page-about__hero-image-wrapper {
  width: 100%;
  height: auto;
  position: relative;
  z-index: 1;
}

.page-about__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-about__hero-content {
  position: relative;
  z-index: 2;
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -80px; /* Pull content slightly over image for visual flow */
  background-color: var(--color-card-bg); /* Darker background for text contrast */
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--color-border);
}

.page-about__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 15px;
  line-height: 1.2;
}

.page-about__hero-description {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* General Section Styling */
.page-about__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 40px;
  line-height: 1.3;
}

.page-about__text-block {
  font-size: 1.05rem;
  color: var(--color-text-main);
  margin-bottom: 20px;
  text-align: justify;
}

.page-about__introduction-section,
.page-about__why-choose-us-section,
.page-about__cta-section,
.page-about__faq-section {
  padding: 60px 0;
}

.page-about__dark-section {
  background-color: var(--color-card-bg);
  padding: 60px 0;
}

/* Buttons */
.page-about__btn-primary,
.page-about__btn-secondary {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  cursor: pointer;
  text-align: center;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-about__btn-primary {
  background: var(--color-button-gradient);
  color: #ffffff; /* White text for contrast */
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

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

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

.page-about__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 30px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

/* Values Section */
.page-about__values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-about__value-card {
  background-color: var(--color-bg-dark);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--color-divider);
}

.page-about__value-icon {
  width: 120px;
  height: 90px;
  object-fit: contain;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 8px var(--color-glow)); /* Apply glow effect */
}

.page-about__value-title {
  font-size: 1.5rem;
  color: var(--color-gold);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-about__value-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

/* Why Choose Us Section */
.page-about__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.page-about__feature-card {
  background-color: var(--color-card-bg);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--color-border);
}

.page-about__feature-icon {
  width: 120px;
  height: 90px;
  object-fit: contain;
  margin-bottom: 20px;
}

.page-about__feature-title {
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-about__feature-description {
  font-size: 1rem;
  color: var(--color-text-secondary);
}

/* Responsible Gaming Section */
.page-about__responsible-gaming-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-about__list-item {
  background-color: var(--color-bg-dark);
  padding: 15px 20px;
  margin-bottom: 15px;
  border-radius: 8px;
  font-size: 1.05rem;
  color: var(--color-text-main);
  border-left: 5px solid var(--color-primary);
}

.page-about__list-item strong {
  color: var(--color-gold);
}

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

.page-about__faq-item {
  background-color: var(--color-card-bg);
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  overflow: hidden;
}

.page-about__faq-item summary {
  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-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--color-text-main);
  cursor: pointer;
  background-color: var(--color-deep-green);
  border-bottom: 1px solid var(--color-divider);
}

.page-about__faq-question:hover {
  background-color: var(--color-primary);
  color: #ffffff;
}

.page-about__faq-toggle {
  font-size: 1.5rem;
  line-height: 1;
  margin-left: 15px;
  color: var(--color-gold);
}

.page-about__faq-question:hover .page-about__faq-toggle {
  color: #ffffff;
}

.page-about__faq-item[open] .page-about__faq-toggle {
  content: '−'; /* Change to minus when open */
}

.page-about__faq-answer {
  padding: 20px;
  font-size: 1rem;
  color: var(--color-text-secondary);
  border-top: 1px solid var(--color-divider);
}

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

/* Responsive Design */
@media (max-width: 1024px) {
  .page-about__hero-content {
    margin-top: -60px;
    padding: 30px;
  }

  .page-about__main-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }

  .page-about__hero-description {
    font-size: 1.05rem;
  }

  .page-about__section-title {
    font-size: clamp(1.6rem, 4.5vw, 2.5rem);
  }

  .page-about__value-card, .page-about__feature-card {
    padding: 25px;
  }
}

@media (max-width: 768px) {
  .page-about__container {
    padding: 0 15px !important;
  }

  .page-about__hero-section {
    padding-bottom: 40px;
  }

  .page-about__hero-content {
    margin-top: -40px;
    padding: 25px;
    max-width: 95%;
  }

  .page-about__main-title {
    font-size: 2.2rem;
  }

  .page-about__hero-description {
    font-size: 1rem;
  }

  .page-about__section-title {
    font-size: 2rem;
    margin-bottom: 30px;
  }

  .page-about__introduction-section,
  .page-about__values-section,
  .page-about__why-choose-us-section,
  .page-about__responsible-gaming-section,
  .page-about__cta-section,
  .page-about__faq-section {
    padding: 40px 0;
  }

  .page-about__values-grid,
  .page-about__features-grid {
    grid-template-columns: 1fr;
  }

  .page-about__btn-primary,
  .page-about__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
    margin-bottom: 10px; /* Space between stacked buttons */
  }

  .page-about__cta-buttons {
    flex-direction: column !important;
    gap: 10px !important;
  }

  /* Mobile image responsiveness */
  .page-about img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  .page-about__hero-image-wrapper,
  .page-about__container,
  .page-about__value-card,
  .page-about__feature-card,
  .page-about__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-about__hero-section {
    padding-top: 10px !important; /* body handles --header-offset, small padding for section */
  }
}

@media (max-width: 480px) {
  .page-about__main-title {
    font-size: 1.8rem;
  }

  .page-about__hero-description {
    font-size: 0.95rem;
  }

  .page-about__section-title {
    font-size: 1.6rem;
  }

  .page-about__btn-primary,
  .page-about__btn-secondary {
    font-size: 1rem;
    padding: 12px 20px;
  }

  .page-about__faq-question {
    font-size: 1rem;
    padding: 15px;
  }

  .page-about__faq-toggle {
    font-size: 1.2rem;
  }

  .page-about__faq-answer {
    font-size: 0.95rem;
    padding: 15px;
  }
}