/* style/download.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm padding-top cho body hoặc các section đầu tiên */

:root {
  --page-download-primary-color: #11A84E;
  --page-download-secondary-color: #22C768;
  --page-download-background-color: #08160F;
  --page-download-card-bg: #11271B;
  --page-download-text-main: #F2FFF6;
  --page-download-text-secondary: #A7D9B8;
  --page-download-border-color: #2E7A4E;
  --page-download-glow-color: #57E38D;
  --page-download-gold-color: #F2C14E;
  --page-download-divider-color: #1E3A2A;
  --page-download-deep-green-color: #0A4B2C;
}

.page-download {
  font-family: Arial, sans-serif;
  color: var(--page-download-text-main); /* Mặc định màu chữ sáng cho nền tối */
  background-color: var(--page-download-background-color);
}

.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px 20px 60px; /* Chỉ 10px padding-top */
  overflow: hidden;
  color: var(--page-download-text-main);
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-height: 700px; /* Giới hạn chiều cao hình ảnh */
  overflow: hidden;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  filter: brightness(0.8); /* Làm tối nhẹ ảnh để chữ dễ đọc hơn */
}

.page-download__hero-content {
  position: relative;
  z-index: 10;
  max-width: 900px;
  margin-top: 40px; /* Đặt nội dung dưới hình ảnh */
  padding: 0 20px;
}

.page-download__main-title {
  font-size: clamp(2.2em, 4vw, 3.5em);
  color: var(--page-download-gold-color);
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: bold;
  text-shadow: 0 0 10px rgba(242, 193, 78, 0.5);
}

.page-download__hero-description {
  font-size: 1.1em;
  color: var(--page-download-text-secondary);
  margin-bottom: 30px;
  line-height: 1.6;
}

.page-download__cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  justify-content: center;
}

.page-download__cta-button {
  display: inline-block;
  padding: 14px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.05em;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  white-space: normal; /* Cho phép chữ xuống dòng */
  word-wrap: break-word; /* Đảm bảo chữ xuống dòng */
  box-sizing: border-box;
  max-width: 100%;
}

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

.page-download__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

.page-download__btn-secondary {
  background: var(--page-download-card-bg);
  color: var(--page-download-text-main);
  border: 2px solid var(--page-download-border-color);
}

.page-download__btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
  background: var(--page-download-deep-green-color);
}

.page-download__video-section {
  background-color: var(--page-download-deep-green-color);
  padding: 40px 20px;
  text-align: center;
  color: var(--page-download-text-main);
  padding-top: 10px; /* Giữ padding top nhỏ */
}

.page-download__video-section .page-download__section-title {
  color: var(--page-download-gold-color);
  margin-bottom: 25px;
}

.page-download__video-wrapper {
  position: relative;
  width: 100%;
  max-width: 1280px; /* Đảm bảo chiều rộng video */
  margin: 0 auto 20px;
  padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
  height: 0;
  overflow: hidden;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
  box-sizing: border-box; /* Quan trọng cho responsive */
}

.page-download__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.page-download__video-description {
  font-size: 1em;
  color: var(--page-download-text-secondary);
  margin-bottom: 30px;
}

.page-download__content-area {
  max-width: 1200px;
  margin: 0 auto;
  padding: 60px 20px;
  background-color: var(--page-download-background-color);
  color: var(--page-download-text-main);
}

.page-download__section-title {
  font-size: clamp(1.8em, 3.5vw, 2.8em);
  color: var(--page-download-gold-color);
  text-align: center;
  margin-bottom: 30px;
  font-weight: bold;
  line-height: 1.3;
}

.page-download__section-description {
  font-size: 1.05em;
  line-height: 1.7;
  text-align: center;
  margin-bottom: 40px;
  color: var(--page-download-text-secondary);
}

.page-download p {
  line-height: 1.7;
  margin-bottom: 1em;
  color: var(--page-download-text-main);
}

.page-download__highlight-text {
  color: var(--page-download-gold-color);
  font-weight: bold;
}

.page-download__benefits-list,
.page-download__requirements-list,
.page-download__bonus-steps {
  list-style: none;
  padding: 0;
  margin: 0 auto 40px;
  max-width: 800px;
}

.page-download__benefit-item,
.page-download__requirement-item,
.page-download__step-item {
  background-color: var(--page-download-card-bg);
  border: 1px solid var(--page-download-border-color);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 15px;
  display: flex;
  align-items: flex-start;
  gap: 15px;
  color: var(--page-download-text-main);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.page-download__benefit-item::before,
.page-download__requirement-item::before,
.page-download__step-item::before {
  content: '✔';
  color: var(--page-download-gold-color);
  font-weight: bold;
  font-size: 1.2em;
  flex-shrink: 0;
}

.page-download__content-image {
  width: 100%;
  height: auto;
  display: block;
  margin: 40px auto;
  border-radius: 10px;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.4);
  object-fit: cover;
}

.page-download__guide-block {
  background-color: var(--page-download-card-bg);
  border: 1px solid var(--page-download-border-color);
  border-radius: 10px;
  padding: 30px;
  margin-bottom: 40px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-download__guide-title {
  font-size: 1.8em;
  color: var(--page-download-gold-color);
  margin-bottom: 25px;
  text-align: center;
}

.page-download__guide-steps {
  list-style: decimal;
  padding-left: 25px;
  margin-bottom: 30px;
  color: var(--page-download-text-main);
}

.page-download__guide-steps li {
  margin-bottom: 15px;
  line-height: 1.6;
}

.page-download__guide-steps strong {
  color: var(--page-download-gold-color);
}

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

.page-download__feature-card {
  background-color: var(--page-download-card-bg);
  border: 1px solid var(--page-download-border-color);
  border-radius: 10px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease;
}

.page-download__feature-card:hover {
  transform: translateY(-5px);
}

.page-download__card-image {
  width: 100%;
  height: 200px; /* Cố định chiều cao cho card image */
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.page-download__card-title {
  font-size: 1.5em;
  color: var(--page-download-gold-color);
  margin-bottom: 10px;
}

.page-download__card-description {
  font-size: 0.95em;
  color: var(--page-download-text-secondary);
  line-height: 1.6;
}

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

.page-download__faq-item {
  background-color: var(--page-download-card-bg);
  border: 1px solid var(--page-download-border-color);
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  font-size: 1.15em;
  font-weight: bold;
  color: var(--page-download-text-main);
  cursor: pointer;
  background-color: var(--page-download-deep-green-color);
  transition: background-color 0.3s ease;
  list-style: none; /* Ẩn marker mặc định của summary */
}

.page-download__faq-question:hover {
  background-color: var(--page-download-primary-color);
}

.page-download__faq-qtext {
  flex-grow: 1;
  color: var(--page-download-gold-color);
}

.page-download__faq-toggle {
  font-size: 1.5em;
  line-height: 1;
  margin-left: 15px;
  color: var(--page-download-gold-color);
}

.page-download__faq-item[open] .page-download__faq-question .page-download__faq-toggle {
  content: '−';
}

.page-download__faq-answer {
  padding: 20px 25px;
  font-size: 1em;
  line-height: 1.7;
  color: var(--page-download-text-secondary);
  border-top: 1px solid var(--page-download-divider-color);
}

/* Loại bỏ marker mặc định của <details> trên WebKit */
.page-download__faq-item summary::-webkit-details-marker {
  display: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__hero-content {
    max-width: 700px;
  }
  .page-download__main-title {
    font-size: clamp(2em, 5vw, 3em);
  }
  .page-download__section-title {
    font-size: clamp(1.6em, 4.5vw, 2.5em);
  }
  .page-download__card-image {
    height: 180px;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section {
    padding: 10px 15px 40px;
  }
  .page-download__hero-content {
    margin-top: 30px;
  }
  .page-download__main-title {
    font-size: clamp(1.8em, 6vw, 2.5em);
  }
  .page-download__hero-description {
    font-size: 1em;
  }
  .page-download__cta-buttons {
    flex-direction: column;
    gap: 10px;
    padding: 0 15px;
  }
  .page-download__cta-button {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1em;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-download__video-section {
    padding: 30px 15px;
    padding-top: 10px !important; /* body đã có padding-top, đây chỉ là khoảng cách nhỏ */
  }
  .page-download__video-wrapper {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }
  .page-download__video {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  .page-download__content-area {
    padding: 40px 15px;
  }
  .page-download__section-title {
    font-size: clamp(1.4em, 5.5vw, 2em);
  }
  .page-download__section-description {
    font-size: 0.95em;
  }
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    box-sizing: border-box !important;
  }
  .page-download__card-image {
    height: 150px; /* Điều chỉnh chiều cao cho mobile */
  }
  .page-download__faq-question {
    padding: 15px 20px;
    font-size: 1em;
  }
  .page-download__faq-answer {
    padding: 15px 20px;
    font-size: 0.9em;
  }
  .page-download__features-grid {
    grid-template-columns: 1fr;
  }
  .page-download__section,
  .page-download__card,
  .page-download__container,
  .page-download__guide-block {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .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: 0;
    padding-right: 0;
    overflow: hidden !important;
  }
  .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: 15px;
    padding-right: 15px;
    flex-wrap: wrap !important;
    gap: 10px;
  }
  .page-download__cta-buttons {
    flex-direction: column;
  }
}