:root {
  --color-primary: #113B7A;
  --color-secondary: #1D5FD1;
  --color-button-gradient-start: #2B73F6;
  --color-button-gradient-end: #1144A6;
  --color-card-bg: #10233F;
  --color-text-main: #F3F8FF;
  --color-text-secondary: #AFC4E8;
  --color-border: #244D84;
  --color-glow: #4FA8FF;
  --color-gold: #F2C14E;
  --color-divider: #1B3357;
  --color-deep-navy: #08162B; /* This is the body background from shared.css */
}

/* Base styles for the page content, assuming body has --color-deep-navy background */
.page-faq {
  color: var(--color-text-main); /* Light text for dark background */
  background-color: var(--color-deep-navy);
  font-family: Arial, sans-serif;
  line-height: 1.6;
  padding-bottom: 40px; /* General padding for the bottom */
}

/* Hero Section */
.page-faq__hero-section {
  position: relative;
  display: flex;
  flex-direction: column; /* Image above text */
  align-items: center;
  text-align: center;
  padding-top: 10px; /* Small top padding, body handles --header-offset */
  padding-bottom: 40px;
  background-color: var(--color-deep-navy);
  overflow: hidden;
}

.page-faq__hero-image {
  width: 100%;
  max-height: 500px; /* Limit height on desktop */
  overflow: hidden;
  margin-bottom: 30px;
}

.page-faq__hero-image img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Desktop: cover */
  display: block;
  filter: none !important;
}

.page-faq__hero-content {
  max-width: 900px;
  padding: 0 20px;
}

.page-faq__main-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem); /* Responsive font size */
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-gold);
  margin-bottom: 20px;
}

.page-faq__intro-text {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

/* Buttons */
.page-faq__btn-primary,
.page-faq__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  cursor: pointer;
  white-space: nowrap;
  word-wrap: break-word; /* Ensure text wraps */
  box-sizing: border-box;
}

.page-faq__btn-primary {
  background: var(--color-button-gradient-start); /* Fallback for gradient */
  background: linear-gradient(180deg, var(--color-button-gradient-start) 0%, var(--color-button-gradient-end) 100%);
  color: var(--color-text-main);
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-faq__btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-faq__btn-secondary {
  background: transparent;
  color: var(--color-text-main);
  border: 2px solid var(--color-border);
}

.page-faq__btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--color-secondary);
  transform: translateY(-2px);
}

.page-faq__btn-large {
  padding: 16px 35px;
  font-size: 1.1rem;
}

/* Content Section */
.page-faq__content-section {
  padding: 60px 0;
  background-color: var(--color-deep-navy); /* Ensure dark background */
  color: var(--color-text-main);
}

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

.page-faq__section-title {
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  color: var(--color-gold);
  text-align: center;
  margin-bottom: 20px;
}

.page-faq__section-description {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px auto;
}

/* FAQ List */
.page-faq__faq-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

details.page-faq__faq-item {
  margin-bottom: 0; /* Gap handled by parent flex */
  border-radius: 10px;
  border: 1px solid var(--color-border);
  overflow: hidden;
  background: var(--color-card-bg); /* Dark card background */
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

details.page-faq__faq-item summary.page-faq__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  color: var(--color-text-main);
}

details.page-faq__faq-item summary.page-faq__faq-question::-webkit-details-marker {
  display: none;
}

details.page-faq__faq-item summary.page-faq__faq-question:hover {
  background: rgba(var(--color-secondary), 0.1); /* Slightly lighter hover for dark bg */
}

.page-faq__faq-qtext {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--color-text-main);
}

.page-faq__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: var(--color-gold); /* Gold for toggle icon */
  flex-shrink: 0;
  margin-left: 15px;
  width: 30px;
  text-align: center;
  transition: transform 0.3s ease;
}

details.page-faq__faq-item[open] .page-faq__faq-toggle {
  transform: rotate(45deg); /* Rotate plus to become cross */
}

details.page-faq__faq-item .page-faq__faq-answer {
  padding: 0 25px 25px;
  background: rgba(0, 0, 0, 0.2); /* Slightly transparent dark background */
  border-radius: 0 0 10px 10px;
  color: var(--color-text-secondary);
}

.page-faq__faq-answer p {
  margin-bottom: 15px;
  font-size: 1rem;
}

.page-faq__faq-answer ul {
  list-style-type: disc;
  margin-left: 20px;
  margin-bottom: 15px;
}

.page-faq__faq-answer li {
  margin-bottom: 8px;
}

.page-faq__faq-answer strong {
  color: var(--color-gold);
}

.page-faq__image-in-content {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 20px auto;
  border-radius: 8px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
  min-width: 200px;
  min-height: 200px;
  filter: none !important;
}

.page-faq__faq-cta {
    margin-top: 20px;
    text-align: center;
}

/* CTA Section */
.page-faq__cta-section {
  padding: 60px 0;
  background-color: var(--color-primary); /* Use primary brand color */
  color: var(--color-text-main);
  text-align: center;
}

.page-faq__cta-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}

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

.page-faq__cta-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-gold);
  margin-bottom: 20px;
}

.page-faq__cta-description {
  font-size: 1.1rem;
  color: var(--color-text-secondary);
  margin-bottom: 30px;
}

.page-faq__cta-image {
    max-width: 600px;
    width: 100%;
}

.page-faq__cta-image img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
  filter: none !important;
}

/* --- Responsive Styles --- */
@media (max-width: 1024px) {
  .page-faq__hero-image {
    max-height: 400px;
  }
  .page-faq__main-title {
    font-size: clamp(2rem, 4.5vw, 3rem);
  }
  .page-faq__intro-text {
    font-size: 1rem;
  }
  .page-faq__section-title {
    font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  }
  .page-faq__faq-qtext {
    font-size: 1rem;
  }
  .page-faq__faq-toggle {
    font-size: 24px;
    width: 26px;
  }
  .page-faq__faq-answer p,
  .page-faq__faq-answer li {
    font-size: 0.95rem;
  }
  .page-faq__cta-title {
    font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  }
  .page-faq__btn-primary,
  .page-faq__btn-secondary {
    padding: 12px 25px;
    font-size: 0.95rem;
  }
  .page-faq__btn-large {
    padding: 14px 30px;
    font-size: 1rem;
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-faq__hero-section {
    padding-top: 10px; /* Small top padding, body handles --header-offset */
    padding-bottom: 30px;
  }
  .page-faq__hero-image {
    max-height: unset; /* Remove max-height for mobile */
    margin-bottom: 20px;
  }
  .page-faq__hero-image img {
    object-fit: contain !important; /* Mobile: contain, no cropping */
    aspect-ratio: unset; /* Reset aspect ratio if set */
    width: 100% !important;
    height: auto !important;
  }

  .page-faq__hero-content {
    padding: 0 15px;
  }
  .page-faq__main-title {
    font-size: clamp(1.8rem, 7vw, 2.5rem); /* Adjust clamp for mobile */
    margin-bottom: 15px;
  }
  .page-faq__intro-text {
    font-size: 0.95rem;
    margin-bottom: 25px;
  }

  /* 按钮与按钮容器 */
  .page-faq__cta-buttons {
    flex-direction: column; /* Stack buttons vertically */
    gap: 15px;
    width: 100% !important;
    max-width: 100% !important;
    padding: 0 15px; /* Add padding to container */
    box-sizing: border-box !important;
    overflow: hidden;
  }
  .page-faq__btn-primary,
  .page-faq__btn-secondary,
  .page-faq a[class*="button"],
  .page-faq 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: 12px 15px;
    font-size: 0.95rem;
  }
  /* If buttons use flex, ensure in mobile they wrap or stack */
  .page-faq__cta-buttons {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap !important;
  }
  
  /* Thông tin chung về hình ảnh và các vùng chứa */
  .page-faq img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-faq__container,
  .page-faq__content-section,
  .page-faq__cta-section,
  .page-faq__cta-container,
  .page-faq__faq-list,
  details.page-faq__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  /* Remove extra padding from .page-faq__container if already added by section */
  .page-faq__content-section > .page-faq__container,
  .page-faq__cta-section > .page-faq__container {
    padding-left: 0;
    padding-right: 0;
  }

  /* Tiêu đề chính trang trí + khu vực SEO văn bản dài (tiêu đề và mô tả chung của phần) */
  .page-faq__section-title {
    font-size: clamp(1.5rem, 6vw, 2.2rem);
    margin-bottom: 15px;
  }
  .page-faq__section-description {
    font-size: 0.9rem;
    margin-bottom: 30px;
  }

  /* Mục FAQ */
  details.page-faq__faq-item summary.page-faq__faq-question {
    padding: 15px;
  }
  .page-faq__faq-qtext {
    font-size: 0.95rem;
  }
  .page-faq__faq-toggle {
    font-size: 22px;
    width: 24px;
    margin-left: 10px;
  }
  details.page-faq__faq-item .page-faq__faq-answer {
    padding: 0 15px 15px;
  }
  .page-faq__faq-answer p,
  .page-faq__faq-answer li {
    font-size: 0.9rem;
  }

  /* Phần CTA cho di động */
  .page-faq__cta-section {
    padding: 40px 0;
  }
  .page-faq__cta-title {
    font-size: clamp(1.6rem, 7vw, 2.5rem);
    margin-bottom: 15px;
  }
  .page-faq__cta-description {
    font-size: 0.95rem;
    margin-bottom: 25px;
  }
  .page-faq__cta-image {
      padding: 0 15px;
  }
  .page-faq__image-in-content {
      min-width: unset !important;
      min-height: unset !important;
  }
}