/* style/download.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần lặp lại để tránh khoảng trắng kép */
.page-download {
  background-color: #08160F; /* Background */
  color: #F2FFF6; /* Text Main */
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

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

.page-download__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding-bottom: 60px; 
  padding-top: 10px; /* Chỉ một khoảng đệm nhỏ, body đã xử lý --header-offset */
  background-color: #08160F;
  overflow: hidden;
}

.page-download__hero-image {
  width: 100%;
  max-width: 1200px; /* Kích thước hiển thị */
  height: auto;
  object-fit: cover;
  margin-bottom: 30px;
  border-radius: 10px;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
}

.page-download__hero-content {
  max-width: 800px;
  padding: 0 20px;
  z-index: 1;
}

.page-download__main-title {
  color: #F2FFF6; /* Text Main */
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  text-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

.page-download__description {
  color: #A7D9B8; /* Text Secondary */
  font-size: 1.1em;
  margin-bottom: 30px;
}

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

.page-download__btn-primary,
.page-download__btn-secondary,
.page-download__btn-download {
  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-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  min-width: 200px; /* Đảm bảo nút không quá nhỏ */
  text-align: center;
  box-sizing: border-box; /* Quan trọng cho nút phản hồi */
  white-space: normal;
  word-wrap: break-word;
}

.page-download__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%); /* Button color */
  color: #F2FFF6; /* Text Main */
  border: none;
}

.page-download__btn-primary:hover {
  background: linear-gradient(180deg, #13994A 0%, #2AD16F 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-download__btn-secondary {
  background: transparent;
  color: #F2FFF6; /* Text Main */
  border: 2px solid #2E7A4E; /* Border color */
}

.page-download__btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-download__introduction-section,
.page-download__guide-section,
.page-download__features-section,
.page-download__benefits-section,
.page-download__faq-section,
.page-download__conclusion-section {
  padding: 60px 0;
  background-color: #08160F; /* Background */
}

.page-download__section-title {
  color: #F2FFF6; /* Text Main */
  font-weight: 700;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
  text-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

.page-download__section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: #11A84E; /* Main Color */
  border-radius: 2px;
}

.page-download__sub-title {
  color: #F2FFF6; /* Text Main */
  font-weight: 600;
  margin-top: 40px;
  margin-bottom: 25px;
  text-align: center;
  font-size: 1.6em;
}

.page-download__text-block {
  color: #A7D9B8; /* Text Secondary */
  margin-bottom: 20px;
  text-align: justify;
}

.page-download__platform-guide {
  background-color: #11271B; /* Card BG */
  border-radius: 10px;
  padding: 30px;
  margin-bottom: 40px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid #2E7A4E; /* Border color */
}

.page-download__guide-content {
  display: flex;
  gap: 30px;
  align-items: flex-start;
  margin-bottom: 30px;
}

.page-download__guide-image {
  flex: 0 0 40%;
  max-width: 40%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-download__guide-list {
  flex: 1;
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: list-item;
}

.page-download__guide-list li {
  color: #F2FFF6; /* Text Main */
  margin-bottom: 15px;
  padding-left: 25px;
  position: relative;
}

.page-download__guide-list li strong {
  color: #57E38D; /* Glow */
}

.page-download__guide-list li::before {
  content: counter(list-item) ".";
  counter-increment: list-item;
  position: absolute;
  left: 0;
  top: 0;
  color: #2AD16F; /* Brighter green for counter */
  font-weight: 700;
}

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

.page-download__feature-card {
  background-color: #11271B; /* Card BG */
  border-radius: 10px;
  padding: 30px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
  border: 1px solid #2E7A4E; /* Border color */
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.page-download__card-title {
  color: #F2FFF6; /* Text Main */
  font-weight: 600;
  margin-bottom: 15px;
}

.page-download__card-text {
  color: #A7D9B8; /* Text Secondary */
  font-size: 0.95em;
  line-height: 1.5;
}

.page-download__feature-image {
  width: 100%;
  max-width: 300px; /* Kích thước ví dụ cho hình ảnh thẻ */
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
  object-fit: cover;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-download__benefits-list {
  list-style: none;
  padding: 0;
  margin-top: 30px;
}

.page-download__benefits-list li {
  background-color: #11271B; /* Card BG */
  border-radius: 8px;
  padding: 20px 25px;
  margin-bottom: 15px;
  color: #A7D9B8; /* Text Secondary */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  border-left: 5px solid #11A84E; /* Main Color */
}

.page-download__benefits-list li strong {
  color: #F2FFF6; /* Text Main */
  display: block;
  margin-bottom: 8px;
  font-size: 1.1em;
}

.page-download__faq-list {
  margin-top: 40px;
}

.page-download__faq-item {
  background-color: #11271B; /* Card BG */
  border-radius: 10px;
  margin-bottom: 15px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  border: 1px solid #2E7A4E; /* Border color */
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  cursor: pointer;
  color: #F2FFF6; /* Text Main */
  font-weight: 600;
  font-size: 1.1em;
  transition: background-color 0.3s ease;
  list-style: none; /* For <summary> */
}

.page-download__faq-question:hover {
  background-color: #0A4B2C; /* Deep Green */
}

.page-download__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  color: #2AD16F; /* Brighter green for toggle */
}

.page-download__faq-item[open] .page-download__faq-question .page-download__faq-toggle {
  content: '−'; /* Thay đổi thành dấu trừ khi mở */
}

.page-download__faq-answer {
  padding: 0 25px 20px 25px;
  color: #A7D9B8; /* Text Secondary */
  line-height: 1.6;
  font-size: 0.95em;
}

/* Đối với thẻ <details>, ẩn dấu mặc định */
.page-download__faq-item summary::-webkit-details-marker {
  display: none;
}
.page-download__faq-item summary {
  list-style: none;
}

/* Phản hồi trên thiết bị di động */
@media (max-width: 768px) {
  .page-download__container {
    padding: 0 15px !important;
  }

  .page-download__hero-section {
    padding: 40px 15px !important;
    padding-top: 10px !important; /* body xử lý --header-offset */
  }

  .page-download__main-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem); /* Ví dụ clamp cho H1 trên di động */
    margin-bottom: 15px;
  }

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

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

  .page-download__btn-primary,
  .page-download__btn-secondary,
  .page-download__btn-download {
    max-width: 100% !important;
    width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
  }

  .page-download__introduction-section,
  .page-download__guide-section,
  .page-download__features-section,
  .page-download__benefits-section,
  .page-download__faq-section,
  .page-download__conclusion-section {
    padding: 40px 0;
  }

  .page-download__section-title {
    font-size: 1.8em;
    margin-bottom: 30px;
  }

  .page-download__sub-title {
    font-size: 1.3em;
    margin-top: 30px;
    margin-bottom: 20px;
  }

  .page-download__text-block {
    font-size: 0.9em;
  }

  .page-download__platform-guide {
    padding: 20px;
    margin-bottom: 30px;
  }

  .page-download__guide-content {
    flex-direction: column;
    gap: 20px;
  }

  .page-download__guide-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-download__guide-list li {
    font-size: 0.9em;
    margin-bottom: 10px;
  }

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

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

  .page-download__card-title {
    font-size: 1.05em;
  }

  .page-download__card-text {
    font-size: 0.85em;
  }

  .page-download__feature-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px !important; /* Đảm bảo kích thước tối thiểu cho tất cả hình ảnh */
    min-height: 200px !important; /* Đảm bảo kích thước tối thiểu cho tất cả hình ảnh */
  }

  .page-download__benefits-list li {
    padding: 15px 20px;
    font-size: 0.9em;
  }

  .page-download__benefits-list li strong {
    font-size: 1em;
  }

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

  .page-download__faq-answer {
    font-size: 0.9em;
    padding: 0 20px 15px 20px;
  }

  /* Hình ảnh và vùng chứa phản hồi cho thiết bị di động */
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
    min-width: 200px !important; /* Buộc kích thước tối thiểu cho tất cả hình ảnh */
    min-height: 200px !important; /* Buộc kích thước tối thiểu cho tất cả hình ảnh */
  }
  
  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__platform-guide,
  .page-download__features-grid,
  .page-download__feature-card,
  .page-download__benefits-list,
  .page-download__faq-list,
  .page-download__faq-item,
  .page-download__cta-buttons,
  .page-download__button-group,
  .page-download__btn-container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    /* padding-left và padding-right được xử lý bởi .page-download__container */
  }

  /* Nếu có video trên trang này: */
  .page-download video,
  .page-download__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .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;
  }
  .page-download__video-section {
    padding-top: 10px !important;
  }
}