/* style/faq.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần lặp lại */

:root {
  --primary-color: #11A84E;
  --secondary-color: #22C768;
  --background-dark: #08160F;
  --card-bg: #11271B;
  --text-main: #F2FFF6;
  --text-secondary: #A7D9B8;
  --border-color: #2E7A4E;
  --glow-color: #57E38D;
  --gold-color: #F2C14E;
  --divider-color: #1E3A2A;
  --deep-green: #0A4B2C;
  --button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

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

.page-faq__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  padding-top: 10px; /* Nhỏ hơn để không bị trùng với header offset của body */
  background-color: var(--background-dark);
  overflow: hidden;
}

.page-faq__hero-image-container {
  width: 100%;
  max-width: 100%;
  position: relative;
  margin-bottom: 20px;
}

.page-faq__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 8px;
  object-fit: cover;
}

.page-faq__hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 20px;
  color: var(--text-main);
}

.page-faq__main-title {
  font-size: clamp(2em, 4vw, 3.5em);
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--gold-color);
  line-height: 1.2;
  text-shadow: 0 0 10px rgba(87, 227, 141, 0.5);
}

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

.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: 12px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  box-sizing: border-box;
}

.page-faq__btn-primary {
  background: var(--button-gradient);
  color: #ffffff;
  border: 2px solid var(--primary-color);
}

.page-faq__btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(87, 227, 141, 0.4);
}

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

.page-faq__btn-secondary:hover {
  transform: translateY(-2px);
  background: var(--primary-color);
  color: #ffffff;
  box-shadow: 0 6px 20px rgba(17, 168, 78, 0.4);
}

.page-faq__introduction,
.page-faq__more-info {
  background-color: var(--background-dark);
  padding: 60px 20px;
  color: var(--text-main);
}

.page-faq__content-area {
  background-color: var(--background-dark);
  padding: 60px 20px;
  color: var(--text-main);
}

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

.page-faq__section-title {
  font-size: 2.5em;
  font-weight: 700;
  color: var(--gold-color);
  text-align: center;
  margin-bottom: 40px;
  text-shadow: 0 0 8px rgba(87, 227, 141, 0.3);
}

.page-faq__text-block {
  font-size: 1.1em;
  margin-bottom: 20px;
  color: var(--text-secondary);
}

.page-faq__text-block a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: bold;
}

.page-faq__text-block a:hover {
  text-decoration: underline;
}

.page-faq__highlight {
  color: var(--primary-color);
  font-weight: bold;
}

.page-faq__faq-list {
  margin-top: 40px;
}

.page-faq__faq-item {
  background-color: var(--card-bg);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
}

.page-faq__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2em;
  font-weight: 600;
  color: var(--text-main);
  cursor: pointer;
  background-color: var(--deep-green);
  border-bottom: 1px solid var(--border-color);
  transition: background-color 0.3s ease;
  user-select: none;
}

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

.page-faq__faq-qtext {
  flex-grow: 1;
  margin-right: 15px;
}

.page-faq__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  width: 24px;
  text-align: center;
  color: var(--gold-color);
}

.page-faq__faq-item[open] .page-faq__faq-toggle {
  color: var(--gold-color);
}

.page-faq__faq-answer {
  padding: 0 25px 20px;
  font-size: 1em;
  color: var(--text-secondary);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s ease-out, padding 0.5s ease-out;
}

.page-faq__faq-item[open] .page-faq__faq-answer {
  max-height: 1000px; /* Giá trị đủ lớn để chứa nội dung */
  padding-top: 20px;
}

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

.page-faq__faq-answer ul {
  list-style-type: disc;
  margin-left: 20px;
  padding-left: 0;
}

.page-faq__faq-answer li {
  margin-bottom: 5px;
}

.page-faq__cta-bottom {
  text-align: center;
  margin-top: 50px;
  padding-top: 30px;
  border-top: 1px dashed var(--divider-color);
}

.page-faq__cta-bottom .page-faq__btn-primary {
  margin-top: 20px;
}

/* =======================================
   Responsive Design - Mobile First (min-width)
   ======================================= */

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

  .page-faq__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important;
  }

  .page-faq__main-title {
    font-size: clamp(1.8em, 7vw, 2.5em);
  }

  .page-faq__description {
    font-size: 1em;
  }

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

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

  .page-faq__introduction,
  .page-faq__content-area,
  .page-faq__more-info {
    padding: 30px 15px;
  }

  .page-faq__section-title {
    font-size: 2em;
    margin-bottom: 30px;
  }

  .page-faq__faq-question {
    padding: 15px 20px;
    font-size: 1.1em;
  }

  .page-faq__faq-answer {
    padding: 0 20px 15px;
  }

  .page-faq__hero-image,
  .page-faq img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  
  .page-faq__hero-image-container,
  .page-faq__container,
  .page-faq__faq-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0px;
    padding-right: 0px;
    overflow: hidden !important;
  }

  .page-faq__text-block, .page-faq p, .page-faq li {
    font-size: 1em;
  }
}

/* Desktop (min-width: 769px) */
@media (min-width: 769px) {
  .page-faq__hero-image-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
  }

  .page-faq__hero-image {
    height: 100%;
    border-radius: 0;
  }

  .page-faq__hero-section {
    min-height: 500px;
    justify-content: center;
    padding-top: 10px; /* Giữ nguyên padding nhỏ */
  }

  .page-faq__hero-content {
    padding: 40px 20px;
    background: rgba(8, 22, 15, 0.7); /* Lớp phủ nhẹ để chữ dễ đọc */
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.5);
  }

  .page-faq__faq-item[open] .page-faq__faq-question {
    background-color: var(--primary-color);
  }
}