/* style/download.css */

/* --- General Page Styling --- */
.page-download {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #ffffff; /* Default text color for dark body background */
  background-color: #1a1a1a; /* Inherited from shared.css, explicitly set for clarity */
}

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

.page-download__section-title {
  font-size: 36px;
  font-weight: bold;
  text-align: center;
  margin-bottom: 40px;
  color: #FFD700; /* Gold for titles */
  text-transform: uppercase;
}

/* --- Hero Section --- */
.page-download__hero-section {
  position: relative;
  width: 100%;
  padding: 80px 0 60px;
  padding-top: var(--header-offset, 120px); /* Ensure content is below fixed header */
  background: linear-gradient(135deg, #8B0000 0%, #FFD700 100%); /* Blend brand colors */
  text-align: center;
  color: #ffffff;
  overflow: hidden; /* Prevent image overflow */
}

.page-download__main-title {
  font-size: 48px;
  font-weight: 900;
  margin-bottom: 20px;
  color: #ffffff;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-download__hero-description {
  font-size: 20px;
  max-width: 800px;
  margin: 0 auto 40px;
  line-height: 1.8;
}

.page-download__download-buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 40px;
}

.page-download__btn-primary,
.page-download__btn-secondary {
  display: inline-block;
  padding: 15px 35px;
  border-radius: 8px;
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  border: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap; /* Prevent button text from wrapping on desktop */
}

.page-download__btn-primary {
  background-color: #FFD700; /* Primary gold */
  color: #8B0000; /* Dark red text for contrast */
  border-color: #FFD700;
}

.page-download__btn-primary:hover {
  background-color: #e6c200;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
}

.page-download__btn-secondary {
  background-color: #8B0000; /* Secondary dark red */
  color: #FFD700; /* Gold text for contrast */
  border-color: #8B0000;
}

.page-download__btn-secondary:hover {
  background-color: #6a0000;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
  transform: translateY(-2px);
}

.page-download__hero-image {
  max-width: 600px;
  height: auto;
  margin-top: 30px;
  border-radius: 12px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
  display: block; /* Ensure it behaves as a block element */
  margin-left: auto;
  margin-right: auto;
}

/* --- Benefits Section --- */
.page-download__benefits-section {
  padding: 80px 0;
  background-color: #f0f0f0; /* Light background for contrast */
  color: #333333; /* Dark text for light background */
}

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

.page-download__benefit-card {
  background-color: #ffffff;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: #333333; /* Dark text */
}

.page-download__benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.page-download__benefit-icon {
  width: 100%; /* Ensure image fills card width */
  max-width: 200px; /* Max size for icon-like images within card */
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-download__card-title {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 15px;
  color: #8B0000; /* Dark red for card titles */
}

/* --- Instructions Section --- */
.page-download__instructions-section {
  padding: 80px 0;
  background-color: #1a1a1a; /* Dark background */
  color: #ffffff; /* Light text */
}

.page-download__instructions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 30px;
}

.page-download__instruction-card {
  background-color: rgba(255, 255, 255, 0.08); /* Slightly lighter dark background */
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.page-download__instruction-card .page-download__card-title {
  color: #FFD700; /* Gold for titles in dark cards */
  margin-bottom: 20px;
}

.page-download__instruction-list {
  list-style: none;
  padding: 0;
  margin-bottom: 30px;
  text-align: left;
  width: 100%;
  max-width: 400px;
}

.page-download__instruction-list li {
  margin-bottom: 10px;
  position: relative;
  padding-left: 25px;
  font-size: 16px;
}

.page-download__instruction-list li::before {
  content: '✓';
  color: #FFD700;
  position: absolute;
  left: 0;
  font-weight: bold;
}

/* --- Features Section --- */
.page-download__features-section {
  padding: 80px 0;
  background-color: #f9f9f9; /* Light background */
  color: #333333; /* Dark text */
}

.page-download__features-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.page-download__feature-item {
  background-color: #ffffff;
  border-radius: 10px;
  padding: 30px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  color: #333333;
}

.page-download__feature-icon {
  width: 100%; /* Ensure image fills item width */
  max-width: 120px; /* Max size for feature icons */
  height: auto;
  margin-bottom: 20px;
  border-radius: 50%; /* Make it round if desired */
  object-fit: cover;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.page-download__feature-item .page-download__card-title {
  color: #8B0000;
}

/* --- FAQ Section --- */
.page-download__faq-section {
  padding: 80px 0;
  background-color: #1a1a1a; /* Dark background */
  color: #ffffff; /* Light text */
}

.page-download__faq-list {
  max-width: 800px;
  margin: 0 auto;
}

/* FAQ容器样式 */
.page-download__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
  background-color: rgba(255, 255, 255, 0.05); /* Slightly lighter than background */
  color: #ffffff;
}

/* FAQ默认状态 - 答案隐藏 */
.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 20px; /* Adjusted padding */
  opacity: 0;
  color: #f0f0f0;
}

/* FAQ展开状态 - 🚨 使用!important và đủ lớn max-height để đảm bảo nội dung hiển thị */
.page-download__faq-item.active .page-download__faq-answer {
  max-height: 2000px !important; /* 🚨 Sử dụng !important để đảm bảo ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
  padding: 20px !important; /* Adjusted padding */
  opacity: 1;
  background: rgba(255, 255, 255, 0.1); /* Slightly different background for expanded answer */
  border-radius: 0 0 5px 5px;
}

/* Question style */
.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 5px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
  color: #FFD700; /* Gold for question text */
}

.page-download__faq-question:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

.page-download__faq-question:active {
  background: rgba(255, 255, 255, 0.2);
}

/* Question title style */
.page-download__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 18px; /* Slightly larger for visibility */
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none; /* Prevent h3 from blocking click events */
  color: #FFD700; /* Gold for FAQ question titles */
}

/* Toggle icon */
.page-download__faq-toggle {
  font-size: 28px; /* Larger icon */
  font-weight: bold;
  line-height: 1;
  color: #FFD700; /* Gold for toggle icon */
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* Prevent icon from blocking click events */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px; /* Larger touch target */
  height: 32px;
}

.page-download__faq-item.active .page-download__faq-toggle {
  color: #ffffff; /* White when active */
  transform: rotate(45deg); /* Rotate for 'x' effect */
}

/* --- Call to Action Section --- */
.page-download__cta-section {
  padding: 80px 0;
  background-color: #f0f0f0; /* Light background */
  color: #333333; /* Dark text */
  text-align: center;
}

.page-download__cta-description {
  font-size: 18px;
  max-width: 700px;
  margin: 0 auto 30px;
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .page-download__main-title {
    font-size: 42px;
  }
  .page-download__section-title {
    font-size: 32px;
  }
}

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

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

  /* --- Hero Section Mobile --- */
  .page-download__hero-section {
    padding-top: var(--header-offset, 120px) !important;
    padding-bottom: 40px;
  }

  .page-download__main-title {
    font-size: 36px;
    margin-bottom: 15px;
  }

  .page-download__hero-description {
    font-size: 16px;
    margin-bottom: 30px;
  }

  .page-download__download-buttons {
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
  }

  .page-download__btn-primary,
  .page-download__btn-secondary {
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 25px;
    font-size: 16px;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-download__hero-image {
    max-width: 100%;
    height: auto;
    margin-top: 20px;
    border-radius: 8px;
  }

  /* --- Benefits Section Mobile --- */
  .page-download__benefits-section {
    padding: 60px 0;
  }

  .page-download__section-title {
    font-size: 28px;
    margin-bottom: 30px;
  }

  .page-download__benefits-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-download__benefit-card {
    padding: 25px;
    border-radius: 8px;
  }

  .page-download__benefit-icon {
    max-width: 150px;
    margin-bottom: 15px;
  }

  .page-download__card-title {
    font-size: 20px;
    margin-bottom: 10px;
  }

  /* --- Instructions Section Mobile --- */
  .page-download__instructions-section {
    padding: 60px 0;
  }

  .page-download__instructions-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-download__instruction-card {
    padding: 25px;
    border-radius: 8px;
  }

  .page-download__instruction-list {
    max-width: 100%;
    margin-bottom: 20px;
  }

  .page-download__instruction-list li {
    font-size: 15px;
  }

  /* --- Features Section Mobile --- */
  .page-download__features-section {
    padding: 60px 0;
  }

  .page-download__features-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-download__feature-item {
    padding: 25px;
    border-radius: 8px;
  }

  .page-download__feature-icon {
    max-width: 100px;
    margin-bottom: 15px;
  }

  /* --- FAQ Section Mobile --- */
  .page-download__faq-section {
    padding: 60px 0;
  }

  .page-download__faq-question {
    padding: 15px;
    flex-wrap: wrap;
  }
  
  .page-download__faq-question h3 {
    font-size: 16px; /* Adjusted for mobile */
    margin-bottom: 0;
    width: calc(100% - 40px);
  }
  
  .page-download__faq-toggle {
    margin-left: 10px;
    width: 28px;
    height: 28px;
    font-size: 24px;
  }
  
  .page-download__faq-answer {
    padding: 0 15px;
  }
  
  .page-download__faq-item.active .page-download__faq-answer {
    padding: 15px !important;
  }

  /* --- CTA Section Mobile --- */
  .page-download__cta-section {
    padding: 60px 0;
  }

  .page-download__cta-description {
    font-size: 16px;
  }

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

  /* Global image and video responsive rules for mobile */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    box-sizing: border-box !important; /* Ensure padding/border included in width */
  }
  
  .page-download video,
  .page-download__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    box-sizing: border-box !important;
    object-fit: contain; /* Ensure video content is fully visible */
  }

  /* Container specific mobile rules for images/videos */
  .page-download__hero-section,
  .page-download__benefits-section,
  .page-download__instructions-section,
  .page-download__features-section,
  .page-download__faq-section,
  .page-download__cta-section,
  .page-download__container,
  .page-download__benefit-card,
  .page-download__instruction-card,
  .page-download__feature-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow-x: hidden !important; /* Prevent horizontal scroll */
  }
  /* Remove padding for container within sections that already have padding */
  .page-download__hero-section .page-download__container,
  .page-download__benefits-section .page-download__container,
  .page-download__instructions-section .page-download__container,
  .page-download__features-section .page-download__container,
  .page-download__faq-section .page-download__container,
  .page-download__cta-section .page-download__container {
    padding-left: 0;
    padding-right: 0;
  }

  .page-download__download-buttons,
  .page-download__cta-buttons {
    flex-wrap: wrap !important;
    justify-content: center;
    gap: 10px;
    padding-left: 15px; /* Add padding to button containers */
    padding-right: 15px;
  }

  .page-download__download-buttons .page-download__btn-primary,
  .page-download__download-buttons .page-download__btn-secondary,
  .page-download__cta-buttons .page-download__btn-primary,
  .page-download__cta-buttons .page-download__btn-secondary {
    width: calc(100% - 30px) !important; /* Account for container padding */
    margin: 0 auto; /* Center buttons if in column */
  }
}

@media (max-width: 480px) {
  .page-download__main-title {
    font-size: 30px;
  }
  .page-download__section-title {
    font-size: 24px;
  }
}