/* style/download.css */

:root {
  --primary-color: #017439;
  --secondary-color: #FFFFFF;
  --register-button-bg: #C30808;
  --register-button-text: #FFFF00;
  --login-button-bg: #C30808;
  --login-button-text: #FFFF00;
  --body-bg: var(--secondary-color); /* Matches the body background from shared.css */
  --text-color-dark-bg: #FFFFFF;
  --text-color-light-bg: #333333;
}

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

/* 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;
  padding-top: var(--header-offset, 120px); /* Ensures content is not hidden by fixed header */
  background: linear-gradient(135deg, var(--primary-color), #004d26); /* Darker gradient for hero */
  color: var(--text-color-dark-bg);
}

.page-download__hero-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
}

.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: 8px;
  object-fit: cover;
}

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

.page-download__hero-title {
  font-size: 3.2em;
  margin-bottom: 20px;
  color: var(--text-color-dark-bg);
  line-height: 1.2;
}

.page-download__hero-description {
  font-size: 1.2em;
  margin-bottom: 30px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  color: #e0e0e0;
}

.page-download__hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 30px;
}

.page-download__cta-button {
  display: inline-block;
  padding: 15px 40px;
  text-decoration: none;
  border-radius: 5px;
  font-size: 18px;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box; /* Ensure padding doesn't increase total width */
}

.page-download__cta-button--primary {
  background: var(--register-button-bg); /* #C30808 */
  color: var(--register-button-text); /* #FFFF00 */
  border: 2px solid var(--register-button-bg);
}

.page-download__cta-button--primary:hover {
  background: #a30707; /* Darken #C30808 */
  border-color: #a30707;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.page-download__cta-button--secondary {
  background: transparent;
  color: var(--text-color-dark-bg); /* White text on dark background */
  border: 2px solid var(--text-color-dark-bg);
}

.page-download__cta-button--secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

/* General Section Styles */
.page-download__section-title {
  font-size: 2.5em;
  margin-bottom: 20px;
  text-align: center;
  color: var(--primary-color);
}

.page-download__section-intro {
  font-size: 1.1em;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px auto;
  color: #555;
}

.page-download__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  width: 100%; /* Ensure container takes full width on smaller screens */
  box-sizing: border-box;
}

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

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

.page-download__benefit-card {
  background: #ffffff;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid #e0e0e0;
}

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

.page-download__benefit-title {
  font-size: 1.5em;
  color: var(--primary-color);
  margin-bottom: 15px;
}

.page-download__benefit-card p {
  color: #666;
  font-size: 1em;
}

/* How To Download Section */
.page-download__how-to-download {
  padding: 80px 0;
  background: var(--primary-color); /* Dark background */
  color: var(--text-color-dark-bg);
}

.page-download__how-to-download .page-download__section-title {
  color: var(--text-color-dark-bg);
}

.page-download__how-to-download .page-download__section-intro {
  color: #e0e0e0;
}

.page-download__download-steps {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  margin-top: 50px;
}

.page-download__step-card {
  background: rgba(255, 255, 255, 0.1); /* Slightly transparent white on dark bg */
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  flex: 1;
  min-width: 300px;
  max-width: 500px;
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-download__step-title {
  font-size: 1.8em;
  color: var(--text-color-dark-bg);
  margin-bottom: 20px;
}

.page-download__step-card p {
  margin-bottom: 10px;
  color: #f0f0f0;
}

.page-download__qr-code-wrapper {
  margin: 25px auto;
  width: 300px;
  height: 300px;
  background: #ffffff; /* White background for QR code */
  padding: 10px;
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-download__qr-code-wrapper img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-download__note {
  text-align: center;
  margin-top: 40px;
  font-style: italic;
  color: #e0e0e0;
  font-size: 1.1em;
}

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

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

/* FAQ容器样式 */
.page-download__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

/* 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 15px;
  opacity: 0;
}

/* FAQ展开 trạng thái - 🚨 Sử dụng !important và max-height đủ lớn 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 độ ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
  padding: 20px 15px !important;
  opacity: 1;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
}

/* Kiểu dáng câu hỏi */
.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid #e0e0e0;
  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: #f5f5f5;
  border-color: #d0d0d0;
}

.page-download__faq-question:active {
  background: #eeeeee;
}

/* Kiểu tiêu đề câu hỏi */
.page-download__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none; /* Ngăn chặn thẻ h3 chặn sự kiện click */
  color: var(--primary-color); /* Sử dụng màu chính cho văn bản câu hỏi */
}

/* Biểu tượng chuyển đổi */
.page-download__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  line-height: 1;
  color: #666;
  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 click */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.page-download__faq-item.active .page-download__faq-toggle {
  color: var(--primary-color);
  transform: rotate(45deg); /* Thay đổi thành X cho trạng thái hoạt động */
}

/* Final CTA Section */
.page-download__cta-final {
  padding: 80px 0;
  background: var(--primary-color); /* Dark background */
  color: var(--text-color-dark-bg);
  text-align: center;
}

.page-download__cta-final .page-download__section-title {
  color: var(--text-color-dark-bg);
}

.page-download__cta-final .page-download__section-intro {
  color: #e0e0e0;
}

.page-download__cta-final .page-download__cta-group {
  margin-top: 40px;
}

/* Global Image and Button Responsiveness */
.page-download img {
  max-width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

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

  .page-download__hero-section {
    padding-top: var(--header-offset, 120px) !important; /* Mobile specific header offset */
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
  }

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

  .page-download__hero-description {
    font-size: 1em;
  }

  .page-download__hero-image img {
    border-radius: 4px;
  }

  .page-download__hero-cta-group {
    flex-direction: column;
    gap: 15px;
    width: 100%;
  }

  .page-download__cta-button {
    padding: 12px 25px;
    font-size: 16px;
    max-width: 100% !important;
    width: 100% !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-download__container {
    padding: 20px 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

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

  .page-download__section-intro {
    font-size: 1em;
    margin-bottom: 20px;
  }

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

  .page-download__benefit-card {
    padding: 20px;
  }

  .page-download__benefit-title {
    font-size: 1.3em;
  }

  .page-download__download-steps {
    flex-direction: column;
    gap: 20px;
  }

  .page-download__step-card {
    max-width: 100%;
    min-width: unset;
    padding: 20px;
  }

  .page-download__step-title {
    font-size: 1.5em;
  }

  .page-download__qr-code-wrapper {
    width: 200px; /* Smaller QR code on mobile */
    height: 200px;
    margin: 15px auto;
  }

  /* 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 content area images are responsive */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  
  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__download-steps,
  .page-download__hero-cta-group {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
}