/* Biến màu sắc */
:root {
  --primary-color: #017439;
  --secondary-color: #FFFFFF;
  --register-button-color: #C30808;
  --login-button-color: #C30808;
  --background-color: #FFFFFF;
  --register-login-font-color: #FFFF00;
  --text-dark: #333333;
  --text-light: #ffffff;
  --border-light: #e0e0e0;
  --hover-bg-light: #f5f5f5;
  --active-bg-light: #eeeeee;
}

.page-faq {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-dark); /* Mặc định chữ màu tối trên nền sáng */
  background-color: var(--background-color);
}

.page-faq__hero-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-top: 10px; /* Chỉ dùng 10px, không dùng var(--header-offset) */
  padding-bottom: 40px;
  background-color: var(--background-color);
  color: var(--text-dark);
  position: relative;
  overflow: hidden;
}

.page-faq__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  overflow: hidden;
  box-sizing: border-box;
}

.page-faq__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  max-height: 500px;
}

.page-faq__hero-content {
  max-width: 900px;
  margin: 0 auto;
  padding: 20px;
  z-index: 1;
  position: relative;
  background: rgba(255, 255, 255, 0.9);
  border-radius: 8px;
  margin-top: -80px; /* Kéo nội dung lên trên ảnh */
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.page-faq__main-title {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-faq__description {
  font-size: 18px;
  margin-bottom: 30px;
  color: var(--text-dark);
}

.page-faq__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  width: 100%;
  max-width: 100%;
  box-sizing: border-box;
}

.page-faq__btn-primary,
.page-faq__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 25px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  max-width: 100%;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
  font-size: 16px;
}

.page-faq__btn-primary {
  background-color: var(--register-button-color);
  color: var(--register-login-font-color);
  border: 2px solid var(--register-button-color);
}

.page-faq__btn-primary:hover {
  background-color: darken(var(--register-button-color), 10%);
  border-color: darken(var(--register-button-color), 10%);
}

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

.page-faq__btn-secondary:hover {
  background-color: var(--primary-color);
  color: var(--secondary-color);
}

.page-faq__section {
  padding: 40px 0;
  background-color: var(--background-color);
}

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

.page-faq__section-title {
  font-size: clamp(24px, 3.5vw, 42px);
  color: var(--primary-color);
  text-align: center;
  margin-bottom: 20px;
  font-weight: 700;
}

.page-faq__section-description {
  font-size: 17px;
  text-align: center;
  max-width: 800px;
  margin: 0 auto 40px;
  color: var(--text-dark);
}

.page-faq__faq-group {
  margin-bottom: 40px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.page-faq__group-title {
  font-size: 26px;
  color: var(--primary-color);
  margin-bottom: 25px;
  padding: 15px 20px;
  background-color: var(--hover-bg-light);
  border-bottom: 1px solid var(--border-light);
  font-weight: 600;
}

details.page-faq__faq-item {
  margin-bottom: 0;
  border-radius: 0;
  border: none;
  border-bottom: 1px solid var(--border-light);
  overflow: hidden;
  background: var(--background-color);
}

details.page-faq__faq-item:last-of-type {
  border-bottom: none;
}

details.page-faq__faq-item summary.page-faq__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
  outline: none;
}

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: var(--hover-bg-light);
}

.page-faq__faq-qtext {
  flex: 1;
  font-size: 18px;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: var(--text-dark);
}

.page-faq__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: var(--primary-color);
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
}

details.page-faq__faq-item .page-faq__faq-answer {
  padding: 0 20px 20px;
  background: var(--hover-bg-light);
  border-radius: 0 0 5px 5px;
  color: var(--text-dark);
}

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

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

.page-faq__image-inline {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 20px auto;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.page-faq__faq-answer a {
  color: var(--primary-color);
  text-decoration: underline;
}

.page-faq__faq-answer a:hover {
  color: darken(var(--primary-color), 10%);
}

.page-faq__cta-section {
  background-color: var(--primary-color);
  color: var(--text-light);
  padding: 60px 20px;
  text-align: center;
  border-radius: 10px;
  margin-top: 40px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.page-faq__cta-title {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-light);
}

.page-faq__cta-description {
  font-size: 18px;
  max-width: 800px;
  margin: 0 auto 30px;
  color: var(--text-light);
}

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

.page-faq__cta-section .page-faq__btn-primary {
  background-color: var(--register-button-color);
  color: var(--register-login-font-color);
  border-color: var(--register-button-color);
}

.page-faq__cta-section .page-faq__btn-primary:hover {
  background-color: darken(var(--register-button-color), 10%);
  border-color: darken(var(--register-button-color), 10%);
}

.page-faq__cta-section .page-faq__btn-secondary {
  background-color: var(--secondary-color);
  color: var(--primary-color);
  border-color: var(--secondary-color);
}

.page-faq__cta-section .page-faq__btn-secondary:hover {
  background-color: #f0f0f0;
  color: var(--primary-color);
}

/* ==================================================================
   Responsive Styles (Mobile & Tablet) - @media (max-width: 768px)
   ================================================================== */
@media (max-width: 1024px) {
  .page-faq__hero-content {
    margin-top: -60px;
    padding: 15px;
  }
  .page-faq__main-title {
    font-size: clamp(24px, 5vw, 40px);
  }
  .page-faq__description {
    font-size: 16px;
  }
  .page-faq__btn-primary, .page-faq__btn-secondary {
    padding: 10px 20px;
    font-size: 15px;
  }
  .page-faq__section-title {
    font-size: clamp(22px, 4vw, 36px);
  }
  .page-faq__group-title {
    font-size: 22px;
  }
  .page-faq__faq-qtext {
    font-size: 16px;
  }
  .page-faq__cta-title {
    font-size: clamp(24px, 4vw, 34px);
  }
  .page-faq__cta-description {
    font-size: 16px;
  }
}

@media (max-width: 849px) {
  .page-faq__hero-image {
    object-fit: contain !important;
    aspect-ratio: unset !important;
    max-height: 400px;
  }
}

@media (max-width: 768px) {
  .page-faq__hero-section {
    padding-top: 10px !important; /* Đảm bảo chỉ 10px trên mobile */
    padding-bottom: 20px;
  }

  .page-faq__hero-image-wrapper,
  .page-faq__container,
  .page-faq__cta-section,
  .page-faq__faq-group {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-faq__hero-content {
    margin-top: -40px;
    padding: 15px;
  }

  .page-faq__main-title {
    font-size: clamp(22px, 6vw, 36px);
    margin-bottom: 15px;
  }

  .page-faq__description {
    font-size: 15px;
    margin-bottom: 20px;
  }

  .page-faq__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
  }

  .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-left: 15px;
    padding-right: 15px;
    font-size: 16px;
  }

  .page-faq__section {
    padding: 30px 0;
  }

  .page-faq__section-title {
    font-size: clamp(20px, 5vw, 32px);
    margin-bottom: 15px;
  }

  .page-faq__section-description {
    font-size: 15px;
    margin-bottom: 30px;
  }

  .page-faq__group-title {
    font-size: 20px;
    padding: 12px 15px;
  }

  details.page-faq__faq-item summary.page-faq__faq-question {
    padding: 15px;
  }

  .page-faq__faq-qtext {
    font-size: 15px;
  }

  .page-faq__faq-toggle {
    font-size: 20px;
    width: 24px;
    margin-left: 10px;
  }

  details.page-faq__faq-item .page-faq__faq-answer {
    padding: 0 15px 15px;
  }

  .page-faq img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-faq__cta-section {
    padding: 40px 15px;
    margin-top: 30px;
  }

  .page-faq__cta-title {
    font-size: clamp(22px, 5.5vw, 32px);
    margin-bottom: 15px;
  }

  .page-faq__cta-description {
    font-size: 15px;
    margin-bottom: 20px;
  }
}