/* style/faq.css */
/* body đã padding-top: var(--header-offset) từ shared.css, không được thêm lại tại đây. */

:root {
  --netwin-primary-color: #26A9E0;
  --netwin-secondary-color: #FFFFFF;
  --netwin-login-color: #EA7C07;
  --netwin-black-color: #000000;
  --netwin-dark-background: #1a1a1a; /* Giả định body--black-color là một màu tối */
  --netwin-light-text: #ffffff;
  --netwin-dark-text: #333333;
}

.page-faq {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--netwin-light-text); /* Toàn bộ trang dùng chữ sáng vì body nền tối */
  background-color: var(--netwin-dark-background); /* Đồng bộ với body background nếu có */
}

.page-faq__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px; /* Padding cho desktop */
  padding-top: 10px; /* Nhỏ hơn để tránh trùng với header-offset của body */
  background: linear-gradient(135deg, var(--netwin-primary-color), #1a7eb3);
  overflow: hidden;
  text-align: center;
}

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

.page-faq__hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.2; /* Làm mờ ảnh nền để chữ dễ đọc */
  display: block;
}

.page-faq__hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  padding: 40px 20px;
  background-color: rgba(0, 0, 0, 0.4); /* Nền tối để chữ trắng nổi bật */
  border-radius: 10px;
}

.page-faq__main-title {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--netwin-secondary-color);
  margin-bottom: 20px;
}

.page-faq__subtitle {
  font-size: 1.15em;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 30px;
}

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

.page-faq__btn-primary,
.page-faq__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal; /* Cho phép chữ xuống dòng */
  word-wrap: break-word;
}

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

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

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

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

.page-faq__faq-list {
  padding: 80px 20px;
  background-color: #1a1a1a; /* Nền tối để chữ sáng nổi bật */
  color: var(--netwin-light-text);
}

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

.page-faq__section-title {
  font-size: 2.5em;
  color: var(--netwin-primary-color);
  text-align: center;
  margin-bottom: 20px;
  font-weight: 700;
}

.page-faq__section-description {
  font-size: 1.1em;
  color: rgba(255, 255, 255, 0.8);
  text-align: center;
  margin-bottom: 50px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-faq__faq-category {
  margin-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 20px;
}

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

.page-faq__category-title {
  font-size: 1.8em;
  color: var(--netwin-secondary-color);
  margin-bottom: 25px;
  border-left: 5px solid var(--netwin-primary-color);
  padding-left: 15px;
  font-weight: 600;
}

.page-faq__faq-item {
  background-color: rgba(255, 255, 255, 0.05); /* Nền thẻ FAQ */
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.page-faq__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  font-size: 1.15em;
  font-weight: 600;
  color: var(--netwin-secondary-color);
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  list-style: none; /* Dành cho <summary> */
}

.page-faq__faq-question::-webkit-details-marker {
  display: none; /* Dành cho <summary> */
}

.page-faq__faq-question:hover {
  background-color: rgba(255, 255, 255, 0.12);
}

.page-faq__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  transition: transform 0.3s ease;
  color: var(--netwin-primary-color);
}

.page-faq__faq-item[open] .page-faq__faq-toggle {
  transform: rotate(45deg); /* Biểu tượng '+' xoay thành 'x' hoặc '-' */
}

.page-faq__faq-answer {
  padding: 20px;
  font-size: 1em;
  color: rgba(255, 255, 255, 0.7);
  background-color: rgba(255, 255, 255, 0.03);
}

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

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

.page-faq__contact-cta {
  text-align: center;
  padding: 50px 20px;
  background-color: rgba(255, 255, 255, 0.05);
  border-radius: 10px;
  margin-top: 40px;
}

.page-faq__contact-title {
  font-size: 2em;
  color: var(--netwin-primary-color);
  margin-bottom: 15px;
  font-weight: 700;
}

.page-faq__contact-description {
  font-size: 1.1em;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 30px;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-faq__main-title {
    font-size: 2.8em;
  }
  .page-faq__section-title {
    font-size: 2.2em;
  }
  .page-faq__category-title {
    font-size: 1.6em;
  }
}

@media (max-width: 768px) {
  .page-faq__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important; /* body đã có padding-top, chỉ cần 10px */
  }
  .page-faq__hero-content {
    padding: 30px 15px;
  }
  .page-faq__main-title {
    font-size: 2em;
    margin-bottom: 15px;
  }
  .page-faq__subtitle {
    font-size: 1em;
    margin-bottom: 25px;
  }
  .page-faq__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden;
  }
  .page-faq__btn-primary,
  .page-faq__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 0.95em;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-faq__faq-list {
    padding: 50px 15px;
  }
  .page-faq__container {
    padding-left: 15px;
    padding-right: 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
  }
  .page-faq__section-title {
    font-size: 1.8em;
    margin-bottom: 15px;
  }
  .page-faq__section-description {
    font-size: 0.95em;
    margin-bottom: 30px;
  }
  .page-faq__category-title {
    font-size: 1.4em;
    margin-bottom: 20px;
  }
  .page-faq__faq-question {
    font-size: 1em;
    padding: 15px;
  }
  .page-faq__faq-answer {
    font-size: 0.9em;
    padding: 15px;
  }
  .page-faq__contact-cta {
    padding: 40px 15px;
  }
  .page-faq__contact-title {
    font-size: 1.6em;
  }
  .page-faq__contact-description {
    font-size: 1em;
  }
  /* Mobile image responsiveness */
  .page-faq img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-faq__hero-image-wrapper,
  .page-faq__container,
  .page-faq__faq-category,
  .page-faq__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  .page-faq__hero-section {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
}

@media (max-width: 480px) {
  .page-faq__main-title {
    font-size: 1.6em;
  }
  .page-faq__section-title {
    font-size: 1.6em;
  }
  .page-faq__category-title {
    font-size: 1.2em;
  }
  .page-faq__faq-question {
    font-size: 0.95em;
  }
  .page-faq__faq-toggle {
    font-size: 1.2em;
  }
  .page-faq__contact-title {
    font-size: 1.4em;
  }
}