/* style/download.css */
/* body đã padding-top: var(--header-offset)；trang này không được viết lại biến đó */

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

.page-download {
  background-color: var(--page-download-background);
  color: var(--page-download-text-main);
  font-family: Arial, sans-serif;
  line-height: 1.6;
  padding-bottom: 50px; /* Thêm padding dưới để tránh footer bị che */
}

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

.page-download__hero-section {
  position: relative;
  width: 100%;
  padding: 10px 0 60px 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  background-color: var(--page-download-deep-green);
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-height: 700px;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.page-download__hero-content {
  position: relative;
  z-index: 10;
  padding: 40px 20px;
  max-width: 900px;
  margin-top: -100px; /* Kéo nội dung lên trên ảnh một chút để tạo sự liền mạch */
  background-color: rgba(0, 0, 0, 0.5); /* Nền tối để văn bản nổi bật */
  border-radius: 10px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.page-download__main-title {
  font-size: clamp(2.2em, 4vw, 3.5em);
  color: var(--page-download-text-main);
  margin-bottom: 20px;
  font-weight: bold;
  line-height: 1.2;
}

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

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

.page-download__btn-primary,
.page-download__btn-secondary {
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  box-sizing: border-box;
  max-width: 100%;
  white-space: normal;
  word-wrap: break-word;
}

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

.page-download__btn-primary:hover {
  opacity: 0.9;
  box-shadow: 0 0 15px var(--page-download-glow);
}

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

.page-download__btn-secondary:hover {
  background: var(--page-download-primary-color);
  color: var(--page-download-text-main);
  box-shadow: 0 0 15px var(--page-download-glow);
}

.page-download__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  color: var(--page-download-gold);
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
  position: relative;
}

.page-download__section-title::after {
  content: '';
  display: block;
  width: 80px;
  height: 4px;
  background: var(--page-download-primary-color);
  margin: 15px auto 0;
  border-radius: 2px;
}

.page-download__dark-section {
  background-color: var(--page-download-card-bg);
  padding: 60px 0;
  color: var(--page-download-text-main);
}

.page-download__introduction-section {
  padding: 60px 0;
}

.page-download__text-block {
  font-size: 1.05em;
  color: var(--page-download-text-secondary);
  margin-bottom: 20px;
  text-align: justify;
}

.page-download__download-guide-section {
  padding: 60px 0;
}

.page-download__guide-block {
  background-color: var(--page-download-card-bg);
  border: 1px solid var(--page-download-border);
  border-radius: 10px;
  padding: 30px;
  margin-bottom: 40px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-download__guide-title {
  font-size: 1.8em;
  color: var(--page-download-primary-color);
  margin-bottom: 25px;
  text-align: center;
  font-weight: bold;
}

.page-download__guide-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 30px;
  margin-bottom: 30px;
}

.page-download__qr-code-wrapper {
  text-align: center;
  flex-shrink: 0;
}

.page-download__qr-code {
  width: 250px;
  height: 250px;
  border: 5px solid var(--page-download-primary-color);
  border-radius: 10px;
  display: block;
  margin-bottom: 10px;
  max-width: 100%;
  height: auto;
}

.page-download__qr-text {
  color: var(--page-download-text-secondary);
  font-size: 0.95em;
}

.page-download__guide-list {
  flex-grow: 1;
  list-style-type: decimal;
  padding-left: 20px;
  color: var(--page-download-text-secondary);
  max-width: 600px;
}

.page-download__guide-list li {
  margin-bottom: 10px;
  font-size: 1.05em;
}

.page-download__guide-list li strong {
  color: var(--page-download-text-main);
}

.page-download__btn-full-width {
  width: 100%;
  display: block;
  margin-top: 20px;
}

.page-download__features-section {
  padding: 60px 0;
}

.page-download__features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-download__feature-card {
  background-color: var(--page-download-card-bg);
  border: 1px solid var(--page-download-border);
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download__feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-download__feature-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  max-width: 100%;
}

.page-download__feature-title {
  font-size: 1.5em;
  color: var(--page-download-gold);
  margin-bottom: 15px;
  font-weight: bold;
}

.page-download__feature-description {
  font-size: 0.95em;
  color: var(--page-download-text-secondary);
  line-height: 1.5;
}

.page-download__benefits-section {
  padding: 60px 0;
}

.page-download__benefits-content {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 40px;
}

.page-download__benefits-text {
  flex: 1;
  min-width: 300px;
}

.page-download__benefits-list {
  list-style-type: disc;
  padding-left: 25px;
  margin-bottom: 20px;
  color: var(--page-download-text-secondary);
}

.page-download__benefits-list li {
  margin-bottom: 10px;
  font-size: 1.05em;
}

.page-download__benefits-list li strong {
  color: var(--page-download-text-main);
}

.page-download__benefits-image-wrapper {
  flex: 1;
  min-width: 300px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-download__benefits-image {
  width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  max-width: 100%;
}

.page-download__faq-section {
  padding: 60px 0;
}

.page-download__faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.page-download__faq-item {
  background-color: var(--page-download-card-bg);
  border: 1px solid var(--page-download-border);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  transition: all 0.3s ease;
}

.page-download__faq-item summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  list-style: none;
  color: var(--page-download-text-main);
  font-weight: bold;
  font-size: 1.15em;
}

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

.page-download__faq-item summary:hover {
  background-color: rgba(var(--page-download-primary-color), 0.1);
}

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

.page-download__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: var(--page-download-primary-color);
}

.page-download__faq-item[open] .page-download__faq-toggle {
  transform: rotate(45deg);
}

.page-download__faq-answer {
  padding: 0 25px 20px 25px;
  color: var(--page-download-text-secondary);
  font-size: 1em;
  line-height: 1.6;
}

.page-download__cta-final-section {
  padding: 60px 0;
  text-align: center;
  background-color: var(--page-download-deep-green);
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .page-download__container,
  .page-download__hero-content {
    padding-left: 15px;
    padding-right: 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-download__hero-section {
    padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
    padding-bottom: 40px;
  }

  .page-download__hero-content {
    margin-top: -50px; /* Điều chỉnh lại khoảng cách trên ảnh cho mobile */
    padding: 30px 15px;
  }

  .page-download__main-title {
    font-size: 2em; /* Điều chỉnh font size cho mobile */
    line-height: 1.3;
  }

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

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

  .page-download__btn-primary,
  .page-download__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-download__section-title {
    font-size: 1.6em;
    margin-bottom: 30px;
  }

  .page-download__dark-section,
  .page-download__introduction-section,
  .page-download__download-guide-section,
  .page-download__features-section,
  .page-download__benefits-section,
  .page-download__faq-section,
  .page-download__cta-final-section {
    padding: 40px 0;
  }

  .page-download__guide-content {
    flex-direction: column;
    gap: 20px;
  }

  .page-download__qr-code-wrapper {
    order: -1; /* Đặt QR code lên trên danh sách hướng dẫn */
  }

  .page-download__qr-code {
    width: 200px;
    height: 200px;
  }

  .page-download__guide-list {
    padding-left: 15px;
  }

  .page-download__features-grid {
    grid-template-columns: 1fr;
  }

  .page-download__feature-image {
    height: 180px;
  }

  .page-download__benefits-content {
    flex-direction: column;
  }

  .page-download__benefits-image-wrapper {
    order: -1;
  }

  .page-download__benefits-image {
    width: 100% !important;
    height: auto !important;
    max-width: 100% !important;
  }

  .page-download__faq-item summary {
    font-size: 1em;
    padding: 15px 20px;
  }

  /* Tất cả hình ảnh phải có max-width: 100%; height: auto; */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  /* Tất cả container chứa hình ảnh phải có max-width: 100%; width: 100%; */
  .page-download__hero-image-wrapper,
  .page-download__qr-code-wrapper,
  .page-download__feature-card,
  .page-download__benefits-image-wrapper,
  .page-download__guide-block,
  .page-download__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important; /* Đảm bảo không tràn */
  }
}

/* Đảm bảo hình ảnh không bị filter */
.page-download img {
  filter: none !important;
}