/* style/faq.css */

/* Biến màu sắc tùy chỉnh */
:root {
  --page-faq-bg-color: #08160F;
  --page-faq-card-bg: #11271B;
  --page-faq-text-main: #F2FFF6;
  --page-faq-text-secondary: #A7D9B8;
  --page-faq-border-color: #2E7A4E;
  --page-faq-glow-color: #57E38D;
  --page-faq-gold-color: #F2C14E;
  --page-faq-divider-color: #1E3A2A;
  --page-faq-deep-green-color: #0A4B2C;
  --page-faq-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-faq {
  background-color: var(--page-faq-bg-color);
  color: var(--page-faq-text-main);
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

.page-faq__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: 10px; /* Nhỏ gọn, không sử dụng var(--header-offset) */
  padding-bottom: 60px;
  overflow: hidden;
}

.page-faq__hero-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  overflow: hidden;
}

.page-faq__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  filter: brightness(0.5); /* Làm tối ảnh nền để chữ dễ đọc */
}

.page-faq__hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  padding: 20px;
  color: var(--page-faq-text-main);
}

.page-faq__main-title {
  font-size: clamp(2.2rem, 4vw, 3.2rem); /* Sử dụng clamp cho font-size */
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 15px;
  color: var(--page-faq-gold-color);
  text-shadow: 0 0 10px rgba(87, 227, 141, 0.5);
}

.page-faq__subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--page-faq-text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

.page-faq__content-section {
  padding: 60px 20px;
}

.page-faq__container {
  max-width: 1000px;
  margin: 0 auto;
  box-sizing: border-box;
}

.page-faq__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  color: var(--page-faq-glow-color);
  text-shadow: 0 0 8px rgba(87, 227, 141, 0.3);
}

.page-faq__section-title--dark-text {
  color: var(--page-faq-deep-green-color);
  text-shadow: none;
}

.page-faq__dark-section {
  background-color: var(--page-faq-bg-color);
  color: var(--page-faq-text-main);
}

.page-faq__light-bg {
  background-color: var(--page-faq-card-bg);
  color: var(--page-faq-text-main);
}

.page-faq__light-bg .page-faq__faq-question {
  background-color: var(--page-faq-bg-color);
  color: var(--page-faq-text-main);
}

.page-faq__light-bg .page-faq__faq-answer {
  background-color: var(--page-faq-card-bg);
}

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

.page-faq__faq-item {
  background-color: var(--page-faq-card-bg);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--page-faq-border-color);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-faq__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background-color: var(--page-faq-deep-green-color);
  color: var(--page-faq-text-main);
  font-size: 1.15rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease;
  list-style: none; /* For details/summary */
}

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

.page-faq__faq-question:hover {
  background-color: var(--page-faq-border-color);
}

.page-faq__faq-qtext {
  flex-grow: 1;
}

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

.page-faq__faq-item[open] .page-faq__faq-toggle {
  content: '−';
}

.page-faq__faq-answer {
  padding: 15px 25px 25px;
  font-size: 1rem;
  color: var(--page-faq-text-secondary);
  background-color: var(--page-faq-card-bg);
  border-top: 1px solid var(--page-faq-divider-color);
}

.page-faq__faq-answer p {
  margin-bottom: 10px;
}

.page-faq__faq-answer p:last-child {
  margin-bottom: 0;
}

.page-faq__faq-answer .page-faq__btn-primary,
.page-faq__faq-answer .page-faq__btn-secondary {
  margin-top: 15px;
  display: inline-block;
  margin-right: 10px;
}

.page-faq__cta-section {
  text-align: center;
  padding: 80px 20px;
  background-color: var(--page-faq-deep-green-color);
  color: var(--page-faq-text-main);
}

.page-faq__cta-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--page-faq-gold-color);
}

.page-faq__cta-description {
  font-size: 1.1rem;
  max-width: 700px;
  margin: 0 auto 30px;
  color: var(--page-faq-text-secondary);
}

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

.page-faq__btn-primary,
.page-faq__btn-secondary {
  padding: 12px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

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

.page-faq__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  box-shadow: 0 0 15px var(--page-faq-glow-color);
}

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

.page-faq__btn-secondary:hover {
  background-color: var(--page-faq-glow-color);
  color: var(--page-faq-deep-green-color);
  box-shadow: 0 0 15px rgba(87, 227, 141, 0.5);
}

/* Responsive Design */
@media (max-width: 768px) {
  .page-faq__hero-section {
    padding-bottom: 40px;
    padding-top: 10px !important; /* body đã xử lý --header-offset */
  }

  .page-faq__hero-content {
    padding: 15px;
  }

  .page-faq__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

  .page-faq__subtitle {
    font-size: clamp(0.9rem, 3vw, 1.1rem);
  }

  .page-faq__content-section {
    padding: 40px 15px;
  }

  .page-faq__container {
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-faq__section-title {
    font-size: clamp(1.5rem, 6vw, 2rem);
    margin-bottom: 30px;
  }

  .page-faq__faq-question {
    padding: 15px 20px;
    font-size: 1rem;
  }

  .page-faq__faq-answer {
    padding: 10px 20px 20px;
    font-size: 0.95rem;
  }

  .page-faq__cta-section {
    padding: 60px 15px;
  }

  .page-faq__cta-title {
    font-size: clamp(1.8rem, 7vw, 2.2rem);
  }

  .page-faq__cta-description {
    font-size: 1rem;
    margin-bottom: 25px;
  }

  .page-faq__cta-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-faq__btn-primary,
  .page-faq__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding-left: 15px !important;
    padding-right: 15px !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  /* Mobile image responsiveness */
  .page-faq img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-faq__section,
  .page-faq__card,
  .page-faq__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-faq__hero-image-wrapper,
  .page-faq__hero-image {
    height: 100% !important;
  }
}

/* CSS for non-details FAQ items (if used) */
/* .page-faq__faq-item.active .page-faq__faq-answer {
  max-height: 2000px !important;
  transition: max-height 0.5s ease-in-out;
}

.page-faq__faq-item .page-faq__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-in-out;
} */