/* style/download.css */
/* body đã có padding-top: var(--header-offset); không cần thêm vào đây */

:root {
  --primary-color: #26A9E0;
  --secondary-color: #FFFFFF;
  --login-color: #EA7C07;
  --background-color: #FFFFFF;
  --black-color-custom: #000000;
  --text-dark: #333333;
  --text-light: #ffffff;
}

.page-download {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: var(--text-light); /* Mặc định cho body nền tối */
  background-color: var(--black-color-custom); /* Giả định body nền tối từ shared.css */
}

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

.page-download__section-title {
  font-size: clamp(2em, 4vw, 2.8em);
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  color: var(--text-light);
  line-height: 1.2;
}

.page-download__section-description {
  font-size: clamp(1em, 2vw, 1.2em);
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: var(--text-light);
}

/* HERO Section */
.page-download__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 60px 20px;
  background-color: var(--primary-color);
  color: var(--text-light);
  overflow: hidden;
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-width: 100%;
  margin-bottom: 30px;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  border-radius: 10px;
}

.page-download__hero-content {
  text-align: center;
  max-width: 900px;
  z-index: 1;
}

.page-download__main-title {
  font-size: clamp(2.5em, 5vw, 3.5em);
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.1;
  color: var(--secondary-color);
}

.page-download__description {
  font-size: clamp(1.1em, 2.2vw, 1.4em);
  margin-bottom: 30px;
  color: var(--secondary-color);
}

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

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1em;
  transition: all 0.3s ease;
  box-sizing: border-box;
  max-width: 100%;
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
}

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

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

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

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

/* Benefits Section */
.page-download__benefits-section {
  padding: 80px 0;
  background-color: var(--background-color);
  color: var(--text-dark);
}

.page-download__benefits-section .page-download__section-title,
.page-download__benefits-section .page-download__section-description {
  color: var(--text-dark);
}

.page-download__benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__benefit-card {
  background-color: var(--secondary-color);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
  color: var(--text-dark);
}

.page-download__benefit-card:hover {
  transform: translateY(-5px);
}

.page-download__benefit-icon {
  width: 100%;
  max-width: 150px;
  height: auto;
  margin-bottom: 20px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-download__benefit-title {
  font-size: 1.5em;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--primary-color);
}

.page-download__benefit-text {
  font-size: 1em;
  color: var(--text-dark);
}

/* Guide Section */
.page-download__guide-section {
  padding: 80px 0;
  background-color: var(--primary-color);
  color: var(--text-light);
}

.page-download__guide-item {
  margin-bottom: 60px;
}

.page-download__guide-subtitle {
  font-size: 2em;
  font-weight: 700;
  text-align: center;
  margin-bottom: 30px;
  color: var(--secondary-color);
}

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

.page-download__guide-text-block {
  flex: 1;
  min-width: 300px;
  max-width: 600px;
}

.page-download__guide-text-block ol {
  list-style-type: decimal;
  margin-left: 20px;
  padding: 0;
  color: var(--text-light);
}

.page-download__guide-text-block li {
  margin-bottom: 15px;
  font-size: 1.1em;
}

.page-download__guide-text-block strong {
  color: var(--secondary-color);
}

.page-download__qr-code-wrapper {
  text-align: center;
  flex-shrink: 0;
  max-width: 400px;
  width: 100%;
}

.page-download__qr-code {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 5px;
  box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
}

.page-download__qr-label {
  margin-top: 15px;
  font-size: 1em;
  color: var(--secondary-color);
}

.page-download__btn-small {
  padding: 10px 20px;
  font-size: 1em;
  margin-top: 20px;
}

/* Games Section */
.page-download__games-section {
  padding: 80px 0;
  background-color: var(--background-color);
  color: var(--text-dark);
}

.page-download__games-section .page-download__section-title,
.page-download__games-section .page-download__section-description {
  color: var(--text-dark);
}

.page-download__games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__game-card {
  background-color: var(--secondary-color);
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: transform 0.3s ease;
  color: var(--text-dark);
}

.page-download__game-card:hover {
  transform: translateY(-5px);
}

.page-download__game-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.page-download__game-title {
  font-size: 1.4em;
  font-weight: 700;
  padding: 15px 20px 0;
  color: var(--primary-color);
}

.page-download__game-text {
  font-size: 0.95em;
  padding: 0 20px 15px;
  color: var(--text-dark);
}

.page-download__btn-link {
  display: inline-block;
  padding: 10px 20px;
  margin: 0 20px 20px;
  border-radius: 5px;
  text-decoration: none;
  font-weight: 600;
  background-color: var(--primary-color);
  color: var(--secondary-color);
  transition: background-color 0.3s ease;
}

.page-download__btn-link:hover {
  background-color: darken(var(--primary-color), 10%);
}

.page-download__cta-center {
  text-align: center;
  margin-top: 50px;
}

/* Promotions Section */
.page-download__promotions-section {
  padding: 80px 0;
  background-color: var(--primary-color);
  color: var(--text-light);
}

.page-download__promotions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__promotion-card {
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
  color: var(--text-light);
}

.page-download__promotion-card:hover {
  transform: translateY(-5px);
}

.page-download__promotion-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  display: block;
}

.page-download__promotion-title {
  font-size: 1.4em;
  font-weight: 700;
  padding: 15px 20px 0;
  color: var(--secondary-color);
}

.page-download__promotion-text {
  font-size: 0.95em;
  padding: 0 20px 15px;
  color: var(--text-light);
}

/* FAQ Section */
.page-download__faq-section {
  padding: 80px 0;
  background-color: var(--background-color);
  color: var(--text-dark);
}

.page-download__faq-section .page-download__section-title {
  color: var(--text-dark);
}

.page-download__faq-list {
  margin-top: 40px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__faq-item {
  background-color: var(--secondary-color);
  border: 1px solid #e0e0e0;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  color: var(--text-dark);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15em;
  font-weight: 600;
  cursor: pointer;
  background-color: #f9f9f9;
  color: var(--primary-color);
  transition: background-color 0.3s ease;
  list-style: none; /* Hide default marker for summary */
}

.page-download__faq-question::-webkit-details-marker {
  display: none; /* Hide default marker for webkit browsers */
}

.page-download__faq-question:hover {
  background-color: #f0f0f0;
}

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

.page-download__faq-answer {
  padding: 15px 25px 20px;
  font-size: 1em;
  line-height: 1.6;
  color: var(--text-dark);
  background-color: var(--secondary-color);
}

/* Final CTA Section */
.page-download__final-cta-section {
  padding: 80px 0;
  background-color: var(--primary-color);
  color: var(--text-light);
  text-align: center;
}

/* Responsive Styles */
@media (max-width: 1024px) {
  .page-download__hero-image {
    height: 500px;
  }
}

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

  .page-download__container {
    padding-left: 15px !important;
    padding-right: 15px !important;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }

  .page-download__hero-section {
    padding: 40px 15px;
    padding-top: 10px !important; /* body đã承担 --header-offset，此处禁止 var(--header-offset) */
  }

  .page-download__main-title {
    font-size: 2em;
  }

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

  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
  }

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

  .page-download__benefits-section,
  .page-download__guide-section,
  .page-download__games-section,
  .page-download__promotions-section,
  .page-download__faq-section,
  .page-download__final-cta-section {
    padding: 40px 0;
  }

  .page-download__section-title {
    font-size: 1.8em;
  }

  .page-download__section-description {
    font-size: 0.95em;
    margin-bottom: 20px;
  }

  .page-download__benefits-grid,
  .page-download__games-grid,
  .page-download__promotions-grid {
    gap: 20px;
    margin-top: 20px;
  }

  .page-download__benefit-icon {
    max-width: 100px;
  }

  .page-download__guide-content {
    flex-direction: column;
    gap: 30px;
  }

  .page-download__guide-item:nth-child(2) .page-download__guide-content {
    flex-direction: column-reverse; /* Reverse order for iOS guide on mobile */
  }

  .page-download__game-image,
  .page-download__promotion-image {
    height: 180px;
  }

  /* Tất cả hình ảnh phải thích ứng với màn hình di động */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  /* Tất cả video phải thích ứng với màn hình di động */
  .page-download video,
  .page-download__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }

  /* Video containers */
  .page-download__video-section,
  .page-download__video-container,
  .page-download__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
}

@media (max-width: 480px) {
  .page-download__main-title {
    font-size: 1.8em;
  }

  .page-download__section-title {
    font-size: 1.6em;
  }

  .page-download__guide-subtitle {
    font-size: 1.6em;
  }

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

  .page-download__faq-answer {
    padding: 10px 20px 15px;
  }
}