/* style/download.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần lặp lại */

.page-download {
  font-family: 'Arial', sans-serif;
  color: var(--text-main); /* Sử dụng màu chữ chính đã định nghĩa */
  background-color: var(--background); /* Sử dụng màu nền chính đã định nghĩa */
}

.page-download__hero-section {
  position: relative;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 20px 60px 20px; /* Nhỏ hơn so với 60px 20px để tránh trùng padding-top của body */
  text-align: center;
  overflow: hidden;
  box-sizing: border-box;
  background: linear-gradient(180deg, var(--deep-green) 0%, var(--background) 100%); /* Màu nền đậm */
}

.page-download__hero-image-wrapper {
  width: 100%;
  max-width: 1920px;
  margin-bottom: 30px;
}

.page-download__hero-image {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 10px;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-download__hero-content {
  max-width: 900px;
  z-index: 1;
  position: relative;
}

.page-download__main-title {
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  color: var(--text-main);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-download__description {
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 40px;
  color: var(--text-secondary);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.page-download__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  width: 100%;
  max-width: 600px;
  margin: 0 auto;
}

.page-download__cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  min-width: 200px;
  max-width: 100%; /* Đảm bảo nút không tràn */
  box-sizing: border-box;
  white-space: normal; /* Cho phép chữ xuống dòng */
  word-wrap: break-word;
}

.page-download__btn-primary {
  background: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
  color: #ffffff; /* Luôn dùng màu trắng cho nút chính */
  border: none;
}

.page-download__btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.3);
  opacity: 0.9;
}

.page-download__btn-secondary {
  background: #ffffff;
  color: var(--deep-green); /* Dùng màu xanh đậm cho nút phụ */
  border: 2px solid var(--deep-green);
}

.page-download__btn-secondary:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
  opacity: 0.9;
}

.page-download__section {
  padding: 80px 20px;
  text-align: center;
  overflow: hidden;
  box-sizing: border-box;
}

.page-download__light-bg {
  background-color: #f8f8f8; /* Nền sáng */
  color: #333333; /* Chữ tối */
}

.page-download__dark-bg {
  background-color: var(--background); /* Nền tối */
  color: var(--text-main); /* Chữ sáng */
}

.page-download__section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  margin-bottom: 20px;
  line-height: 1.3;
  color: inherit;
}

.page-download__section-description {
  font-size: 1.1rem;
  line-height: 1.6;
  max-width: 800px;
  margin: 0 auto 50px auto;
  color: inherit;
}

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

.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(--card-bg); /* Màu nền thẻ tối */
  color: var(--text-main); /* Chữ sáng trên thẻ tối */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  min-height: 350px;
}

.page-download__feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
}

.page-download__feature-icon {
  width: 100%;
  max-width: 250px;
  height: auto;
  margin-bottom: 25px;
  border-radius: 8px;
  min-width: 200px; /* Đảm bảo kích thước tối thiểu */
  min-height: 200px;
  object-fit: cover;
}

.page-download__feature-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 15px;
  color: var(--gold); /* Dùng màu vàng cho tiêu đề nổi bật */
}

.page-download__feature-text {
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
}

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

.page-download__step-item {
  background-color: var(--card-bg); /* Màu nền thẻ tối */
  color: var(--text-main); /* Chữ sáng trên thẻ tối */
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  padding-top: 60px; /* Để chỗ cho số bước */
  min-height: 380px;
}

.page-download__step-number {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translate(-50%, -50%);
  background-color: var(--gold); /* Màu vàng nổi bật */
  color: #000000; /* Chữ đen trên nền vàng */
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: 700;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
  border: 3px solid var(--deep-green);
}

.page-download__step-title {
  font-size: 1.4rem;
  font-weight: 600;
  margin-top: 20px;
  margin-bottom: 15px;
  color: var(--text-main);
}

.page-download__step-text {
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 20px;
  color: var(--text-secondary);
  flex-grow: 1;
}

.page-download__step-list {
  list-style-type: disc;
  text-align: left;
  margin: 0 auto 20px auto;
  padding-left: 20px;
  max-width: 90%;
  color: var(--text-secondary);
}

.page-download__step-list li {
  margin-bottom: 8px;
}

.page-download__step-image {
  width: 100%;
  max-width: 300px;
  height: auto;
  border-radius: 8px;
  margin-top: 20px;
  min-width: 200px; /* Đảm bảo kích thước tối thiểu */
  min-height: 200px;
  object-fit: cover;
}

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

.page-download__faq-item {
  background-color: var(--card-bg); /* Màu nền thẻ tối */
  color: var(--text-main); /* Chữ sáng trên thẻ tối */
  margin-bottom: 15px;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  border: 1px solid var(--divider);
}

.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  background-color: var(--deep-green); /* Màu nền câu hỏi */
  color: var(--text-main);
  border-bottom: 1px solid var(--divider);
  transition: background-color 0.3s ease;
  list-style: none; /* Ẩn dấu mũi tên mặc định của details */
}

.page-download__faq-item summary::-webkit-details-marker {
  display: none; /* Ẩn dấu mũi tên mặc định của details trên Webkit */
}

.page-download__faq-question:hover {
  background-color: var(--primary-color); /* Hover màu xanh lá chính */
}

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

.page-download__faq-toggle {
  font-size: 1.8rem;
  font-weight: 700;
  width: 30px;
  text-align: center;
  color: var(--gold);
}

.page-download__faq-answer {
  padding: 20px 25px;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-secondary);
  background-color: var(--card-bg);
  border-top: 1px solid var(--divider);
}

.page-download__final-cta {
  padding: 60px 20px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__hero-section {
    padding: 10px 15px 40px 15px;
  }

  .page-download__section {
    padding: 60px 15px;
  }

  .page-download__main-title {
    font-size: clamp(2rem, 5vw, 3rem);
  }

  .page-download__description,
  .page-download__section-description,
  .page-download__feature-text,
  .page-download__step-text,
  .page-download__step-list li,
  .page-download__faq-answer p {
    font-size: 1rem;
  }

  .page-download__feature-title {
    font-size: 1.3rem;
  }

  .page-download__step-title {
    font-size: 1.2rem;
  }

  .page-download__faq-question {
    font-size: 1.1rem;
    padding: 18px 20px;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section {
    padding: 10px 15px 30px 15px;
  }

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

  .page-download__main-title {
    font-size: clamp(1.8rem, 6vw, 2.5rem);
  }

  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
    padding-left: 15px;
    padding-right: 15px;
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-download__cta-button {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding: 12px 20px !important;
    font-size: 1rem !important;
    white-space: normal !important;
    word-wrap: break-word !important;
  }

  .page-download__section {
    padding: 40px 15px;
  }

  .page-download__container,
  .page-download__features-grid,
  .page-download__guide-steps,
  .page-download__faq-list {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }

  .page-download__feature-icon,
  .page-download__step-image {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
    min-width: 200px !important;
    min-height: 200px !important;
    object-fit: cover !important;
  }

  .page-download__feature-card,
  .page-download__step-item {
    min-height: auto; /* Cho phép thẻ tự co giãn chiều cao */
    padding-bottom: 30px;
  }

  .page-download__faq-question {
    font-size: 1rem;
    padding: 15px 18px;
  }

  .page-download__faq-toggle {
    font-size: 1.5rem;
  }

  .page-download__faq-answer {
    padding: 15px 18px;
  }

  .page-download p,
  .page-download li {
    font-size: 0.95rem;
  }

  .page-download__video-section {
    padding-top: 10px !important; /* body đã đảm nhận --header-offset */
  }
}