/* style/download.css */

/* --- General Page Styles --- */
.page-download {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333333; /* Default dark text for light body background */
    background-color: #f8f8f8; /* Light background for the page content */
}

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

.page-download__section-title {
    font-size: 36px;
    color: #003366; /* Auxiliary color for titles */
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.page-download__section-description {
    font-size: 18px;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px;
    color: #555555;
}

.page-download__btn-primary,
.page-download__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    text-align: center;
    box-sizing: border-box; /* Ensure padding is included in width */
    white-space: normal; /* Allow text to wrap */
    word-wrap: break-word; /* Break long words */
}

.page-download__btn-primary {
    background-color: #FF6600; /* Primary color */
    color: #ffffff;
    border: 2px solid #FF6600;
    margin: 10px;
}

.page-download__btn-primary:hover {
    background-color: #e65c00;
    border-color: #e65c00;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-download__btn-secondary {
    background-color: #003366; /* Auxiliary color */
    color: #ffffff;
    border: 2px solid #003366;
    margin: 10px;
}

.page-download__btn-secondary:hover {
    background-color: #002244;
    border-color: #002244;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-download__card {
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    padding: 30px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%; /* Ensure cards in a grid have equal height */
    box-sizing: border-box;
}

.page-download__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
}

.page-download__card-title {
    font-size: 24px;
    color: #003366;
    margin-top: 15px;
    margin-bottom: 10px;
    font-weight: 600;
}

.page-download__dark-bg {
    background-color: #003366; /* Auxiliary color for dark sections */
    color: #ffffff;
    padding: 80px 0;
}

.page-download__dark-bg .page-download__section-title,
.page-download__dark-bg .page-download__section-description,
.page-download__dark-bg .page-download__card-title {
    color: #ffffff;
}

.page-download__light-bg {
    background-color: #f8f8f8; /* Light background for sections */
    color: #333333;
    padding: 80px 0;
}

/* --- 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, #FF6600, #003366); /* Blend of brand colors */
    padding-top: var(--header-offset, 120px); /* Fixed header offset */
}

.page-download__hero-container {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: row; /* Desktop: row layout */
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    width: 100%;
}

.page-download__hero-content {
    flex: 1;
    text-align: left;
    color: #ffffff;
    padding-right: 20px;
}

.page-download__main-title {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.1;
    color: #ffffff;
}

.page-download__hero-description {
    font-size: 20px;
    margin-bottom: 30px;
    line-height: 1.5;
    color: #f0f0f0;
}

.page-download__cta-buttons {
    display: flex;
    justify-content: flex-start; /* Align buttons to the left */
    gap: 20px;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
    width: 100%; /* Ensure container takes full width */
}

.page-download__hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.page-download__hero-image img {
    width: 100%;
    height: auto;
    max-width: 100%;
    display: block;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.page-download__benefit-card img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 15px;
    object-fit: cover;
    min-height: 200px; /* Ensure images are not too small */
    width: 100%;
}

/* --- How to Download Section --- */
.page-download__download-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download__step-card {
    text-align: left;
    padding: 30px;
}

.page-download__step-card h3 {
    font-size: 22px;
    color: #FF6600; /* Primary color for step titles */
    margin-bottom: 20px;
    font-weight: 700;
}

.page-download__step-card ol {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
}

.page-download__step-card li {
    margin-bottom: 15px;
    font-size: 16px;
    line-height: 1.6;
    color: #555555;
    position: relative;
    padding-left: 25px;
    counter-increment: step-counter;
}

.page-download__step-card li strong {
    color: #003366;
}

.page-download__step-card li:before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    background-color: #FF6600;
    color: #ffffff;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

.page-download__note {
    text-align: center;
    font-size: 16px;
    margin-top: 50px;
    color: #f0f0f0; /* Light text for dark background */
}

/* --- Features Section --- */
.page-download__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download__feature-item {
    text-align: center;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    padding: 25px;
    transition: transform 0.3s ease;
    height: 100%;
    box-sizing: border-box;
}

.page-download__feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.page-download__feature-item img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 15px;
    object-fit: cover;
    min-height: 200px; /* Ensure images are not too small */
    width: 100%;
}

.page-download__feature-title {
    font-size: 20px;
    color: #003366;
    margin-bottom: 10px;
    font-weight: 600;
}

.page-download__feature-title a {
    color: #003366;
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-download__feature-title a:hover {
    color: #FF6600;
}

.page-download__feature-item p {
    font-size: 15px;
    color: #555555;
}

/* --- Security Section --- */
.page-download__security-points {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-download__security-points .page-download__card {
    text-align: left;
    background-color: rgba(255, 255, 255, 0.95); /* Slightly transparent white for dark background */
    color: #333333;
}

.page-download__security-points .page-download__card h3 {
    color: #FF6600; /* Primary color for security points */
}

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

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

/* FAQ容器样式 */
.page-download__faq-item {
  margin-bottom: 15px;
  border-radius: 5px;
  overflow: hidden;
}

/* 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;
  padding: 0 15px;
  opacity: 0;
  color: #555555; /* Ensure text color is dark for light background */
}

/* FAQ展开状态 - 🚨 使用!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 15px !important;
  opacity: 1;
  background: #f9f9f9;
  border-radius: 0 0 5px 5px;
}

/* Câu hỏi kiểu */
.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;
}

/* Tiêu đề câu hỏi kiểu */
.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 thẻ h3 chặn sự kiện nhấp */
  color: #003366; /* Đảm bảo độ tương phản tốt cho tiêu đề câu hỏi */
}

/* Chuyển đổi biểu tượng */
.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 biểu tượng chặn sự kiện nhấp */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
}

.page-download__faq-item.active .page-download__faq-toggle {
  color: #FF6600; /* Màu chính cho chuyển đổi hoạt động */
  transform: rotate(45deg); /* Ví dụ: xoay để trở thành X hoặc chỉ thay đổi thành dấu trừ */
}

/* --- Final CTA Section --- */
.page-download__cta-final-section {
    padding: 80px 0;
    text-align: center;
    background: linear-gradient(135deg, #003366, #FF6600); /* Blend of brand colors */
    color: #ffffff;
}

.page-download__cta-final-section .page-download__section-title,
.page-download__cta-final-section .page-download__section-description {
    color: #ffffff;
}

.page-download__cta-final-section .page-download__cta-buttons {
    justify-content: center; /* Center buttons in final CTA */
}

.page-download__cta-final-section .page-download__btn-primary {
    background-color: #FF6600;
    border-color: #FF6600;
}
.page-download__cta-final-section .page-download__btn-secondary {
    background-color: #ffffff;
    color: #003366;
    border-color: #ffffff;
}
.page-download__cta-final-section .page-download__btn-secondary:hover {
    background-color: #f0f0f0;
    color: #003366;
    border-color: #f0f0f0;
}


/* --- Responsive Design --- */
@media (max-width: 1024px) {
    .page-download__hero-container {
        flex-direction: column;
        text-align: center;
    }

    .page-download__hero-content {
        padding-right: 0;
        text-align: center;
    }

    .page-download__cta-buttons {
        justify-content: center;
    }

    .page-download__main-title {
        font-size: 44px;
    }

    .page-download__hero-description {
        font-size: 18px;
    }
}

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

    .page-download__container {
        padding: 0 15px; /* Adjust container padding for mobile */
    }

    .page-download__section-title {
        font-size: 28px;
        margin-bottom: 15px;
    }

    .page-download__section-description {
        font-size: 16px;
        margin-bottom: 30px;
    }

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

    .page-download__main-title {
        font-size: 36px;
    }

    .page-download__hero-description {
        font-size: 16px;
    }

    .page-download__cta-buttons {
        flex-direction: column; /* Stack buttons vertically on mobile */
        gap: 15px;
        padding: 0 15px; /* Add padding to button container */
        width: 100%;
        box-sizing: border-box;
    }

    .page-download__btn-primary,
    .page-download__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        margin: 0; /* Remove horizontal margin */
        padding: 12px 20px;
        font-size: 16px;
    }

    /* Image Responsiveness - Global for page-download img */
    .page-download img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block;
    }
    
    .page-download__section,
    .page-download__card,
    .page-download__container,
    .page-download__hero-image,
    .page-download__download-steps,
    .page-download__benefits-grid,
    .page-download__features-grid,
    .page-download__security-points {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Card adjustments */
    .page-download__card {
        padding: 20px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }

    .page-download__card-title {
        font-size: 20px;
    }

    /* 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 no filter on images */
.page-download img {
    filter: none !important;
}