/* style/download.css */

/* Variables from shared.css will be available, e.g., var(--primary-color), var(--background-color) */

.page-download {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333333; /* Default dark text for light background */
  background-color: var(--background-color, #FFFFFF); /* Ensure light background */
}

/* Fixed Header Offset */
.page-download__hero-section {
  padding-top: var(--header-offset, 120px); /* Ensures content is not hidden by fixed header */
}

/* Hero Section */
.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  background: linear-gradient(135deg, var(--primary-color), #019c4d); /* A slightly lighter green for gradient */
  color: #ffffff;
}

.page-download__hero-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

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

.page-download__hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-download__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
  max-width: 800px;
}

.page-download__hero-title {
  font-size: 3.2em;
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: bold;
  color: #ffffff;
}

.page-download__hero-description {
  font-size: 1.2em;
  margin-bottom: 40px;
  color: #f0f0f0;
}

.page-download__cta-button {
  display: inline-block;
  padding: 18px 45px;
  background: #C30808; /* Register/Login button color */
  color: #FFFF00; /* Register/Login font color */
  text-decoration: none;
  border-radius: 8px;
  font-size: 1.3em;
  font-weight: bold;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  border: none;
  cursor: pointer;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
  max-width: 100%; /* Ensure button adapts to width */
  box-sizing: border-box;
}

.page-download__cta-button:hover {
  background: #a30606; /* Darker red on hover */
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* General Section Styles */
.page-download__section {
  padding: 80px 20px;
  text-align: center;
}

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

.page-download__section-title {
  font-size: 2.5em;
  margin-bottom: 30px;
  color: var(--primary-color);
  font-weight: bold;
}

.page-download__section-title--light {
  color: #ffffff;
}

.page-download__paragraph {
  font-size: 1.1em;
  color: #555555;
  margin-bottom: 20px;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__paragraph--light {
  color: #f0f0f0;
}

/* Dark Background Section */
.page-download__dark-bg {
  background-color: var(--primary-color);
  color: #ffffff;
}

/* Introduction Section */
.page-download__introduction-section {
  background-color: #f9f9f9;
}

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

.page-download__benefit-card {
  background: rgba(255, 255, 255, 0.1); /* Semi-transparent white on dark green */
  padding: 30px;
  border-radius: 12px;
  text-align: left;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  color: #ffffff;
}

.page-download__benefit-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.page-download__benefit-title {
  font-size: 1.5em;
  margin-bottom: 15px;
  color: #FFFF00; /* Yellow for titles on dark background */
}

.page-download__benefit-text {
  font-size: 1em;
  color: #f0f0f0;
}

/* How-to-Download Section */
.page-download__how-to-download-section {
  background-color: #ffffff;
}

.page-download__download-platforms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 40px;
  margin-top: 40px;
}

.page-download__platform-card {
  background: #f9f9f9;
  padding: 30px;
  border-radius: 12px;
  text-align: left;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
}

.page-download__platform-title {
  font-size: 1.8em;
  margin-bottom: 20px;
  color: var(--primary-color);
  text-align: center;
}

.page-download__platform-image {
  width: 100%;
  height: auto;
  max-width: 400px; /* Constrain image width within card */
  border-radius: 8px;
  margin-bottom: 25px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-download__download-steps {
  list-style-type: decimal;
  padding-left: 25px;
  margin-bottom: 30px;
  color: #555555;
  font-size: 1em;
  text-align: left;
  width: 100%;
}

.page-download__download-steps li {
  margin-bottom: 10px;
  line-height: 1.5;
}

.page-download__cta-button--android,
.page-download__cta-button--ios {
  background: var(--primary-color);
  color: #ffffff;
  font-size: 1.1em;
  padding: 15px 30px;
  margin-top: auto; /* Push button to bottom */
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
  max-width: 100%; /* Ensure button adapts to width */
  box-sizing: border-box;
}

.page-download__cta-button--android:hover,
.page-download__cta-button--ios:hover {
  background: #019c4d;
  color: #FFFF00;
}

/* Features Section */
.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: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  color: #ffffff;
}

.page-download__feature-icon {
  width: 100%;
  max-width: 200px; /* Ensure images are not too small */
  height: auto;
  margin-bottom: 20px;
  border-radius: 8px;
  object-fit: cover;
  min-width: 200px; /* Minimum size requirement */
  min-height: 200px; /* Minimum size requirement */
}

.page-download__feature-title {
  font-size: 1.4em;
  margin-bottom: 10px;
  color: #FFFF00;
}

.page-download__feature-text {
  font-size: 1em;
  color: #f0f0f0;
}

/* Security Section */
.page-download__security-section {
  background-color: #ffffff;
}

.page-download__security-list {
  list-style-type: disc;
  padding-left: 25px;
  margin-bottom: 30px;
  text-align: left;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  color: #555555;
  font-size: 1.1em;
}

.page-download__security-list li {
  margin-bottom: 10px;
  line-height: 1.5;
}

.page-download__security-list strong {
  color: var(--primary-color);
}

.page-download__security-image {
  width: 100%;
  height: auto;
  max-width: 800px;
  border-radius: 12px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  margin-top: 30px;
  min-width: 200px; /* Minimum size requirement */
  min-height: 200px; /* Minimum size requirement */
}

/* FAQ Section */
.page-download__faq-section {
  background-color: #f9f9f9;
  padding-bottom: 80px;
}

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

/* FAQ容器样式 */
.page-download__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

/* 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, opacity 0.4s ease;
  padding: 0 20px;
  opacity: 0;
  background-color: #ffffff; /* Ensure light background for answer text */
  color: #333333;
}

/* FAQ展开状态 - 🚨 Sử dụng!important và đủ lớn max-height để đảm bảo có thể mở rộng */
.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;
  opacity: 1;
  background: #ffffff;
  border-radius: 0 0 8px 8px;
}

/* Vấn đề phong cách */
.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: var(--primary-color); /* Use primary color for question background */
  color: #ffffff; /* White text for question */
  border: 1px solid var(--primary-color);
  border-radius: 8px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
}

.page-download__faq-question:hover {
  background: #019c4d; /* Slightly lighter green on hover */
  border-color: #019c4d;
}

.page-download__faq-question:active {
  background: #015e2e; /* Slightly darker green on active */
}

/* Tiêu đề câu hỏi phong cách */
.page-download__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 1.2em;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none; /* Ngăn chặn thẻ h3 chặn sự kiện nhấp */
  color: #ffffff; /* White text */
}

/* Chuyển đổi biểu tượng */
.page-download__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
  color: #FFFF00; /* Yellow for toggle icon */
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 15px;
  pointer-events: none; /* Ngăn chặn biểu tượng chặn sự kiện nhấp */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.page-download__faq-item.active .page-download__faq-toggle {
  color: #FFFF00; /* Yellow for toggle icon when active */
  transform: rotate(45deg); /* Rotate to form an 'X' or just change to '-' */
}

/* Final CTA Section */
.page-download__final-cta-section {
  padding: 100px 20px;
  background-color: var(--primary-color);
  color: #ffffff;
}

.page-download__center-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-download__cta-button--large {
  padding: 22px 60px;
  font-size: 1.5em;
  background: #C30808; /* Register/Login button color */
  color: #FFFF00; /* Register/Login font color */
  border-radius: 10px;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  margin-top: 50px;
  white-space: normal; /* Allow text wrapping */
  word-wrap: break-word; /* Allow text wrapping */
  max-width: 100%; /* Ensure button adapts to width */
  box-sizing: border-box;
}

.page-download__cta-button--large:hover {
  background: #a30606;
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}


/* --- Responsive Design --- */
@media (max-width: 1024px) {
  .page-download__hero-title {
    font-size: 2.8em;
  }
  .page-download__section-title {
    font-size: 2em;
  }
  .page-download__download-platforms {
    grid-template-columns: 1fr; /* Stack platforms on smaller screens */
  }
  .page-download__platform-image {
    max-width: 300px;
  }
  .page-download__benefits-grid,
  .page-download__features-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  /* Fixed Header Offset for mobile */
  .page-download__hero-section {
    padding-top: var(--header-offset, 120px) !important;
  }

  .page-download__section {
    padding: 50px 15px;
  }

  .page-download__hero-title {
    font-size: 2.2em;
  }
  .page-download__hero-description {
    font-size: 1em;
  }
  .page-download__cta-button {
    padding: 15px 30px;
    font-size: 1.1em;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }
  
  .page-download__section-title {
    font-size: 1.8em;
  }
  .page-download__paragraph {
    font-size: 0.95em;
  }

  /* Images responsive */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
    min-width: 200px !important; /* Enforce minimum size */
    min-height: 200px !important; /* Enforce minimum size */
  }

  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__platform-card,
  .page-download__benefit-card,
  .page-download__feature-item {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  /* FAQ specific mobile styles */
  .page-download__faq-question {
    padding: 15px;
  }
  .page-download__faq-question h3 {
    font-size: 1.1em;
  }
  .page-download__faq-toggle {
    font-size: 24px;
    width: 28px;
    height: 28px;
  }
  .page-download__faq-item.active .page-download__faq-answer {
    padding: 15px !important;
  }

  /* Buttons responsive for mobile */
  .page-download__cta-button,
  .page-download__cta-button--android,
  .page-download__cta-button--ios,
  .page-download__cta-button--large {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-download__download-platforms {
    gap: 20px;
  }
  .page-download__download-platforms .page-download__platform-card {
    padding: 20px;
  }
  .page-download__cta-button--large {
    padding: 18px 40px;
    font-size: 1.3em;
  }
  .page-download__features-grid {
    grid-template-columns: 1fr;
  }
  .page-download__feature-icon {
    max-width: 150px; /* Adjust for smaller screens if necessary, but keep min 200px */
    width: auto;
    height: auto;
    margin-left: auto;
    margin-right: auto;
  }
}

@media (max-width: 480px) {
  .page-download__hero-title {
    font-size: 1.8em;
  }
  .page-download__section-title {
    font-size: 1.5em;
  }
  .page-download__cta-button {
    font-size: 1em;
    padding: 12px 25px;
  }
  .page-download__faq-question h3 {
    font-size: 1em;
  }
}