:root {
  --primary-color: #C91F17;
  --secondary-color: #E53935;
  --button-gradient: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
  --card-bg-color: #D32F2F;
  --background-color: #B71C1C;
  --text-main-color: #FFF5E1;
  --border-color: #F2B544;
  --glow-color: #FFCC66;
  --gold-color: #F4D34D;
  --deep-red-color: #7A0E0E;
}

.page-casino {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-main-color); /* Light text on dark background */
  background: var(--background-color); /* Dark red background */
  min-height: 100vh;
}

/* Base styles for contrast and typography */
.page-casino h1,
.page-casino h2,
.page-casino h3,
.page-casino h4,
.page-casino h5,
.page-casino h6 {
  color: var(--text-main-color); /* Headings use main text color for contrast */
  margin-bottom: 15px;
  font-weight: bold;
}

.page-casino p {
  color: var(--text-main-color); /* Paragraphs use main text color */
  margin-bottom: 10px;
}

.page-casino a {
  color: var(--gold-color); /* Links use gold color */
  text-decoration: none;
}

.page-casino a:hover {
  text-decoration: underline;
  color: var(--glow-color);
}

/* Hero Section */
.page-casino__hero-section {
  position: relative;
  padding-top: 10px; /* Small top padding, assuming body handles --header-offset */
  padding-bottom: 40px;
  overflow: hidden;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-casino__hero-image-wrapper {
  position: relative;
  width: 100%;
  max-height: 675px; /* Limit height for aesthetic */
  overflow: hidden;
  margin-bottom: 20px;
}

.page-casino__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.8); /* Slightly dim the image for text readability, not changing color */
}

.page-casino__hero-content {
  position: relative;
  max-width: 900px;
  padding: 0 20px;
  z-index: 1;
}

.page-casino__main-title {
  font-size: clamp(2.5rem, 5vw, 3.5rem); /* Responsive font size */
  line-height: 1.2;
  letter-spacing: 1px;
  margin-bottom: 20px;
  color: var(--text-main-color);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-casino__hero-description {
  font-size: 1.2rem;
  margin-bottom: 30px;
  color: var(--text-main-color);
}

.page-casino__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

.page-casino__btn-primary,
.page-casino__btn-secondary,
.page-casino__btn-small {
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: bold;
  text-transform: uppercase;
  transition: all 0.3s ease;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
}

.page-casino__btn-primary {
  background: var(--button-gradient);
  color: var(--deep-red-color); /* Text color for gradient button */
  border: 2px solid var(--gold-color);
  box-shadow: 0 4px 15px rgba(255, 204, 102, 0.4);
}

.page-casino__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(255, 204, 102, 0.6);
  opacity: 0.9;
}

.page-casino__btn-secondary {
  background: var(--deep-red-color);
  color: var(--text-main-color);
  border: 2px solid var(--gold-color);
  box-shadow: 0 4px 15px rgba(122, 14, 14, 0.4);
}

.page-casino__btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(122, 14, 14, 0.6);
  opacity: 0.9;
}

.page-casino__btn-small {
  background: var(--button-gradient);
  color: var(--deep-red-color);
  border: none;
  padding: 10px 20px;
  font-size: 0.95rem;
  border-radius: 5px;
  margin-top: 15px;
}

.page-casino__btn-small:hover {
  opacity: 0.9;
}

/* General Section Styles */
.page-casino__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

.page-casino__section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  color: var(--text-main-color);
}

.page-casino__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--gold-color);
  margin: 15px auto 0;
  border-radius: 2px;
}

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

.page-casino__cta-center {
  text-align: center;
  margin-top: 30px;
}

/* Games Overview Section */
.page-casino__games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 30px;
}

.page-casino__game-card {
  background: var(--card-bg-color); /* Dark red card background */
  border: 1px solid var(--border-color);
  border-radius: 10px;
  overflow: hidden;
  text-align: center;
  padding-bottom: 20px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-casino__game-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.5);
}

.page-casino__game-image {
  width: 100%;
  height: 200px; /* Fixed height for consistency */
  object-fit: cover;
  margin-bottom: 15px;
  display: block;
}

.page-casino__game-title {
  font-size: 1.4rem;
  margin-bottom: 10px;
  color: var(--text-main-color);
  padding: 0 15px;
}

.page-casino__game-title a {
  color: inherit;
  text-decoration: none;
}

.page-casino__game-title a:hover {
  text-decoration: underline;
  color: var(--gold-color);
}

.page-casino__game-description {
  font-size: 0.95rem;
  color: var(--text-main-color);
  padding: 0 15px;
  margin-bottom: 15px;
}

/* FAQ Section */
.page-casino__faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.page-casino__faq-item {
  background: var(--card-bg-color);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  color: var(--text-main-color);
}

.page-casino__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15rem;
  font-weight: bold;
  cursor: pointer;
  outline: none;
  list-style: none; /* Remove default marker */
  color: var(--text-main-color);
}

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

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

.page-casino__faq-item[open] .page-casino__faq-toggle {
  content: "−"; /* Change content on open state for visual */
}

.page-casino__faq-answer {
  padding: 0 25px 20px;
  font-size: 1rem;
  color: var(--text-main-color);
}

.page-casino__faq-answer p {
  margin-bottom: 0;
  color: inherit;
}

/* Universal image styling */
.page-casino img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
  .page-casino {
    font-size: 16px;
    line-height: 1.6;
  }

  /* HERO 主图区域 */
  .page-casino__hero-section {
    padding-top: 10px !important; /* Small top padding for mobile */
    padding-bottom: 30px;
  }

  .page-casino__hero-image-wrapper {
    max-height: 300px;
  }

  .page-casino__hero-content {
    padding: 0 15px;
  }

  .page-casino__main-title {
    font-size: clamp(2rem, 8vw, 2.5rem);
    margin-bottom: 15px;
  }

  .page-casino__hero-description {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  .page-casino__cta-buttons {
    flex-direction: column !important; /* Stack buttons vertically on mobile */
    gap: 10px;
    width: 100% !important; /* Ensure container takes full width */
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* 按钮与按钮容器 */
  .page-casino__btn-primary,
  .page-casino__btn-secondary,
  .page-casino__btn-small,
  .page-casino a[class*="button"],
  .page-casino 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;
    font-size: 1rem;
  }

  /* 通用图片与容器 */
  .page-casino img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-casino__container,
  .page-casino__section,
  .page-casino__card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-casino__section-title {
    font-size: clamp(1.8rem, 6vw, 2.2rem);
    margin-bottom: 30px;
  }

  .page-casino__text-block {
    font-size: 0.95rem;
  }

  /* Sản phẩm trưng bày khu vực (Games Grid) */
  .page-casino__games-grid {
    grid-template-columns: 1fr !important; /* Single column on mobile */
    gap: 20px;
  }

  .page-casino__game-image {
    height: 180px;
  }

  .page-casino__game-title {
    font-size: 1.2rem;
  }

  .page-casino__game-description {
    font-size: 0.9rem;
  }

  /* Các mô-đun nội dung khác (FAQ) */
  .page-casino__faq-item summary {
    font-size: 1rem;
    padding: 15px 20px;
  }

  .page-casino__faq-answer {
    font-size: 0.95rem;
    padding: 0 20px 15px;
  }
}