/* style/download.css */
:root {
  --primary-color: #E0B400; /* Imperial Gold */
  --secondary-color: #1A1A2E; /* Space Blue */
  --accent-color: #00BFFF; /* Electric Blue */
  --text-light: #ffffff;
  --text-dark: #333333;
  --bg-dark-1: #1A1A2E;
  --bg-dark-2: #2C2C4A;
  --bg-light-1: #f8f9fa;
  --bg-light-2: #ffffff;
  --border-color: #e0e0e0;
}

.page-download {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: var(--text-dark); /* Default to dark text for light sections */
  background-color: var(--bg-light-1); /* Default light background */
}

/* 🚨 Fixed header padding */
.page-download__video-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  padding-top: 120px; /* Desktop: Adjust based on fixed header height */
  background-color: var(--bg-dark-2);
}

.page-download__hero-section {
  padding: 80px 20px;
  text-align: center;
  color: var(--text-light);
  background: linear-gradient(135deg, var(--bg-dark-1) 0%, var(--bg-dark-2) 100%);
  padding-top: 10px; /* Override for first content section if video is present */
}

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

.page-download__main-title {
  font-size: 3.2em;
  color: var(--primary-color);
  margin-bottom: 20px;
  font-weight: 700;
  line-height: 1.2;
}

.page-download__description {
  font-size: 1.2em;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__cta-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

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

.page-download__cta-button {
  display: inline-block;
  padding: 15px 40px;
  border-radius: 8px;
  font-size: 1.1em;
  font-weight: bold;
  text-decoration: none;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border: none;
  cursor: pointer;
  white-space: normal;
  word-wrap: break-word;
}

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

.page-download__btn-primary:hover {
  background: darken(var(--primary-color), 10%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

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

.page-download__btn-secondary:hover {
  background: darken(var(--secondary-color), 10%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.page-download__section {
  padding: 80px 0;
}

.page-download__section-title {
  font-size: 2.5em;
  text-align: center;
  margin-bottom: 40px;
  color: var(--primary-color);
  font-weight: 700;
}

.page-download__text-block {
  font-size: 1.1em;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 50px auto;
  color: var(--text-dark);
}

.page-download__dark-section .page-download__section-title,
.page-download__dark-section .page-download__text-block,
.page-download__dark-section .page-download__feature-title,
.page-download__dark-section .page-download__guide-title,
.page-download__dark-section .page-download__promotion-title,
.page-download__dark-section .page-download__promotion-card p,
.page-download__dark-section .page-download__safety-title,
.page-download__dark-section .page-download__safety-item p,
.page-download__dark-section .page-download__blog-item-title,
.page-download__dark-section .page-download__blog-item-excerpt,
.page-download__dark-section .page-download__blog-item-date,
.page-download__dark-section .page-download__faq-question h3,
.page-download__dark-section .page-download__faq-answer p,
.page-download__dark-section .page-download__brand-title,
.page-download__dark-section .page-download__brand-item p {
  color: var(--text-light);
}

.page-download__dark-section {
  background-color: var(--bg-dark-1);
}

.page-download__light-bg {
  background-color: var(--bg-light-1);
  color: var(--text-dark);
}

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

.page-download__feature-item {
  background: var(--bg-light-2);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download__feature-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.page-download__feature-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  object-fit: contain;
}

.page-download__feature-title {
  font-size: 1.5em;
  color: var(--secondary-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-download__feature-item p {
  color: var(--text-dark);
}

/* Guide Steps */
.page-download__guide-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.page-download__guide-item {
  text-align: center;
  background: var(--bg-dark-2);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-download__guide-image {
  width: 100%;
  max-width: 300px;
  height: auto;
  object-fit: contain;
  margin-bottom: 25px;
  border-radius: 8px;
}

.page-download__guide-title {
  font-size: 1.6em;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-download__guide-item p {
  color: var(--text-light);
  text-align: left;
  padding: 0 10px;
}

/* Features List (Cards) */
.page-download__features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__feature-card {
  background: var(--bg-light-2);
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download__feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

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

.page-download__feature-card-title {
  font-size: 1.5em;
  color: var(--secondary-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-download__feature-card p {
  color: var(--text-dark);
}

/* Promotions Grid */
.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: var(--bg-dark-2);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: var(--text-light);
}

.page-download__promotion-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-download__promotion-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-download__promotion-title {
  font-size: 1.6em;
  color: var(--primary-color);
  margin-bottom: 15px;
  font-weight: 600;
}

.page-download__promotion-card p {
  margin-bottom: 25px;
}

.page-download__btn-link {
  display: inline-block;
  padding: 10px 25px;
  background: var(--primary-color);
  color: var(--secondary-color);
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  transition: background-color 0.3s ease, transform 0.3s ease;
  white-space: normal;
  word-wrap: break-word;
}

.page-download__btn-link:hover {
  background: darken(var(--primary-color), 10%);
  transform: translateY(-2px);
}

/* Safety Features */
.page-download__safety-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-download__safety-item {
  background: var(--bg-light-2);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
}

.page-download__safety-title {
  font-size: 1.4em;
  color: var(--secondary-color);
  margin-bottom: 10px;
  font-weight: 600;
}

.page-download__safety-item p {
  color: var(--text-dark);
}

/* FAQ Section */
.page-download__faq-section {
  padding: 80px 0;
  background-color: var(--bg-dark-1);
}

.page-download__faq-list {
  max-width: 900px;
  margin: 0 auto;
  margin-top: 40px;
}

.page-download__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
}

.page-download__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
  padding: 0 15px;
  opacity: 0;
}

.page-download__faq-item.active .page-download__faq-answer {
  max-height: 2000px !important; /* 🚨 Sử dụng!important và giá trị đủ lớn */
  padding: 20px 15px !important;
  opacity: 1;
  background: var(--bg-dark-2);
  border-radius: 0 0 5px 5px;
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: var(--bg-dark-2);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 5px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-download__faq-question:hover {
  background: var(--bg-dark-2);
  border-color: var(--primary-color);
}

.page-download__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 1.1em;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none;
  color: var(--text-light);
}

.page-download__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  color: var(--primary-color);
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.page-download__faq-item.active .page-download__faq-toggle {
  color: var(--accent-color);
  transform: rotate(45deg);
}

/* Brand Section */
.page-download__brand-section {
  padding: 80px 0;
  background-color: var(--bg-light-1);
}

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

.page-download__brand-item {
  background: var(--bg-light-2);
  padding: 25px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  text-align: center;
}

.page-download__brand-title {
  font-size: 1.4em;
  color: var(--secondary-color);
  margin-bottom: 10px;
  font-weight: 600;
}

.page-download__brand-item p {
  color: var(--text-dark);
}

/* Blog Section */
.page-download__blog-section {
  padding: 80px 0;
  background-color: var(--bg-dark-1);
}

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

.page-download__blog-item {
  background: var(--bg-dark-2);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download__blog-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-download__blog-link {
  text-decoration: none;
  display: block;
  color: var(--text-light);
}

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

.page-download__blog-item-title {
  font-size: 1.4em;
  color: var(--primary-color);
  margin: 20px 20px 10px 20px;
  font-weight: 600;
}

.page-download__blog-item-excerpt {
  font-size: 0.95em;
  color: rgba(255, 255, 255, 0.8);
  margin: 0 20px 15px 20px;
}

.page-download__blog-item-date {
  display: block;
  font-size: 0.85em;
  color: rgba(255, 255, 255, 0.6);
  margin: 0 20px 20px 20px;
}

/* 🚨 Video Section Styles (Homepage Module) */
.page-download__video-container {
  position: relative;
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-download__video-link {
  display: block;
  text-decoration: none;
  position: relative;
  width: 100%;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-download__video-link:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.page-download__video-wrapper {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.page-download__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: 8px;
  object-fit: cover;
  pointer-events: none;
}

.page-download__video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 8px;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  z-index: 1;
}

.page-download__video-link:hover .page-download__video-overlay {
  opacity: 1;
}

.page-download__video-click-hint {
  color: #ffffff;
  font-size: 18px;
  font-weight: bold;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
  padding: 10px 20px;
  background: rgba(0, 123, 255, 0.8);
  border-radius: 5px;
  white-space: nowrap;
}

.page-download__video-cta {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 30px;
}

.page-download__play-now-button {
  display: inline-block;
  padding: 15px 40px;
  background: var(--primary-color, #007bff);
  color: var(--secondary-color);
  text-decoration: none;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  border: none;
  cursor: pointer;
  white-space: normal;
  word-wrap: break-word;
}

.page-download__play-now-button:hover {
  background: darken(var(--primary-color), 10%);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.page-download__play-now-button:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

/* 🚨 Mobile Responsive */
@media (max-width: 768px) {
  .page-download {
    font-size: 15px;
    line-height: 1.5;
  }

  .page-download__video-section {
    padding-top: 10px !important; /* Mobile: Adjust based on fixed header height */
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    overflow: hidden !important;
  }
  
  .page-download__video-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 0;
    padding-right: 0;
    overflow: hidden !important;
  }
  
  .page-download__video-link {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  
  .page-download__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    border-radius: 4px;
    overflow: hidden !important;
  }
  
  .page-download__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    border-radius: 4px;
    object-fit: contain;
  }

  .page-download__video-cta {
    margin-top: 20px;
    padding-left: 15px;
    padding-right: 15px;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
  }
  
  .page-download__play-now-button {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 30px !important;
    font-size: 16px !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  
  .page-download__video-click-hint {
    font-size: 14px !important;
    padding: 8px 16px !important;
  }

  .page-download__hero-section {
    padding: 60px 15px;
  }

  .page-download__main-title {
    font-size: 2.2em;
  }

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

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

  .page-download__cta-button {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
    box-sizing: border-box !important;
  }

  .page-download__section {
    padding: 60px 0;
  }

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

  .page-download__text-block {
    font-size: 1em;
    margin-bottom: 40px;
    padding: 0 15px;
  }

  .page-download__container {
    padding: 0 15px;
  }

  .page-download__features-grid,
  .page-download__guide-steps,
  .page-download__features-list,
  .page-download__promotions-grid,
  .page-download__safety-features,
  .page-download__brand-content,
  .page-download__blog-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-download__feature-item,
  .page-download__guide-item,
  .page-download__feature-card,
  .page-download__promotion-card,
  .page-download__safety-item,
  .page-download__brand-item,
  .page-download__blog-item {
    padding: 20px;
  }

  .page-download__feature-icon {
    width: 80px;
    height: 80px;
  }

  .page-download__feature-title,
  .page-download__guide-title,
  .page-download__feature-card-title,
  .page-download__promotion-title,
  .page-download__safety-title,
  .page-download__brand-title,
  .page-download__blog-item-title {
    font-size: 1.2em;
  }

  .page-download__guide-item p {
    text-align: center;
  }

  .page-download__promotion-image,
  .page-download__feature-card-image,
  .page-download__blog-image {
    height: 150px;
  }

  .page-download__btn-link {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 10px 15px;
    font-size: 0.9em;
  }

  /* FAQ Mobile */
  .page-download__faq-question {
    padding: 15px;
    flex-wrap: wrap;
  }
  
  .page-download__faq-question h3 {
    font-size: 15px;
    margin-bottom: 0;
    width: calc(100% - 40px);
  }
  
  .page-download__faq-toggle {
    margin-left: 10px;
    width: 24px;
    height: 24px;
    font-size: 20px;
  }
  
  .page-download__faq-answer {
    padding: 0 15px;
  }
  
  .page-download__faq-item.active .page-download__faq-answer {
    padding: 15px !important;
  }
}

/* Ensure all images are responsive */
.page-download img {
  max-width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 768px) {
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__features-grid,
  .page-download__guide-steps,
  .page-download__features-list,
  .page-download__promotions-grid,
  .page-download__safety-features,
  .page-download__brand-content,
  .page-download__blog-list,
  .page-download__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden;
  }

  /* Specific overrides for video section to ensure it doesn't get double padded */
  .page-download__video-section {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }
  .page-download__video-container {
    padding-left: 0 !important;
    padding-right: 0 !important;
  }
}