/* style/download.css */

/* --- Base Styles --- */
.page-download {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333333; /* Default text color for light background */
    background-color: #ffffff; /* Default body background */
}

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

.page-download__section-title {
    font-size: 36px;
    color: #26A9E0;
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
}

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

.page-download__light-bg {
    background-color: #f8f8f8;
    color: #333333;
    padding: 80px 0;
}

.page-download__dark-bg {
    background-color: #26A9E0; /* Primary brand color */
    color: #ffffff;
    padding: 80px 0;
}

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

/* --- Buttons --- */
.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;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow text wrapping */
    max-width: 100%;
}

.page-download__btn-primary {
    background-color: #EA7C07; /* Login color for primary action */
    color: #ffffff;
    border: 2px solid #EA7C07;
}

.page-download__btn-primary:hover {
    background-color: #d16b06;
    border-color: #d16b06;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.page-download__btn-secondary {
    background-color: #ffffff;
    color: #26A9E0;
    border: 2px solid #26A9E0;
}

.page-download__btn-secondary:hover {
    background-color: #f0f0f0;
    color: #1e87bb;
    border-color: #1e87bb;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.page-download__btn-large {
    padding: 18px 40px;
    font-size: 20px;
    min-width: 280px;
}

.page-download__btn-full-width {
    width: 100%;
    margin-top: 15px;
}

/* --- 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); /* Ensure space for fixed header */
    background: linear-gradient(135deg, #e0f2f7, #ffffff); /* Light gradient background */
    overflow: hidden; /* Prevent content overflow */
}

.page-download__hero-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 40px;
    flex-wrap: wrap; /* Allow wrapping on smaller screens */
}

.page-download__hero-content {
    flex: 1;
    min-width: 300px;
    text-align: left;
}

.page-download__main-title {
    font-size: 48px;
    color: #26A9E0;
    margin-bottom: 20px;
    line-height: 1.2;
    font-weight: 800;
}

.page-download__intro-text {
    font-size: 20px;
    color: #555555;
    margin-bottom: 30px;
}

.page-download__cta-buttons {
    display: flex;
    gap: 20px;
    margin-top: 30px;
    flex-wrap: wrap; /* Allow buttons to wrap */
}

.page-download__hero-image {
    flex: 1;
    min-width: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.page-download__hero-image img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

.page-download__feature-item {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.page-download__feature-item img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 20px auto;
    border-radius: 8px;
    min-width: 200px; /* Enforce min size */
    min-height: 200px; /* Enforce min size */
    object-fit: cover;
}

.page-download__feature-title {
    font-size: 24px;
    color: #26A9E0;
    margin-bottom: 10px;
}

.page-download__feature-text {
    font-size: 16px;
    color: #666666;
}

/* --- How to Download Section --- */
.page-download__download-steps {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.page-download__platform-guide {
    flex: 1;
    min-width: 300px;
    background-color: rgba(255, 255, 255, 0.1); /* White text on dark bg, so use transparent white */
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    color: #ffffff;
}

.page-download__platform-title {
    font-size: 28px;
    margin-bottom: 20px;
    color: #ffffff;
    text-align: center;
}

.page-download__step-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
    counter-reset: step-counter;
}

.page-download__step-list li {
    position: relative;
    padding-left: 35px;
    margin-bottom: 15px;
    font-size: 17px;
    line-height: 1.5;
}

.page-download__step-list li::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    background-color: #EA7C07;
    color: #ffffff;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 15px;
}

.page-download__qr-code {
    text-align: center;
    margin-top: 30px;
    margin-bottom: 30px;
}

.page-download__qr-code img {
    max-width: 250px;
    height: auto;
    display: block;
    margin: 0 auto 15px auto;
    border: 5px solid #ffffff;
    border-radius: 5px;
    min-width: 200px; /* Enforce min size */
    min-height: 200px; /* Enforce min size */
    object-fit: cover;
}

.page-download__qr-code p {
    font-size: 16px;
    color: #ffffff;
}

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

.page-download__feature-card {
    background-color: #ffffff;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.page-download__feature-card img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 20px auto;
    border-radius: 8px;
    min-width: 200px; /* Enforce min size */
    min-height: 200px; /* Enforce min size */
    object-fit: cover;
}

.page-download__card-title {
    font-size: 24px;
    color: #26A9E0;
    margin-bottom: 10px;
}

.page-download__card-link {
    display: inline-block;
    margin-top: 20px;
    color: #EA7C07;
    text-decoration: none;
    font-weight: bold;
    position: relative;
}

.page-download__card-link::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 2px;
    background-color: #EA7C07;
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.page-download__card-link:hover::after {
    transform: scaleX(1);
}

/* --- FAQ Section --- */
.page-download__faq-section {
    padding: 80px 0;
}

.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;
}

/* 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 0.3s ease;
    padding: 0 15px;
    opacity: 0;
}

/* FAQ展开状态 - 🚨 使用!important和足够大的max-height确保一定能展开 */
.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;
}

/* 问题样式 */
.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;
}

/* 问题标题样式 */
.page-download__faq-question h3 {
    margin: 0;
    padding: 0;
    flex: 1;
    font-size: 18px;
    font-weight: 600;
    line-height: 1.5;
    pointer-events: none; /* 防止h3标签阻止点击事件 */
    color: #333333; /* Ensure contrast */
}

/* 切换图标 */
.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; /* 防止图标阻止点击事件 */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
}

.page-download__faq-item.active .page-download__faq-toggle {
    color: #26A9E0; /* Brand color when active */
    transform: rotate(45deg); /* Rotate for 'x' effect */
}


/* --- Final CTA Section --- */
.page-download__final-cta {
    padding: 100px 0;
    text-align: center;
}

.page-download__final-cta .page-download__section-title {
    font-size: 40px;
}

.page-download__final-cta .page-download__section-description {
    font-size: 20px;
    margin-bottom: 50px;
}

/* --- Responsive Design --- */
@media (max-width: 992px) {
    .page-download__hero-container {
        flex-direction: column;
    }

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

    .page-download__main-title {
        font-size: 42px;
    }

    .page-download__intro-text {
        font-size: 18px;
    }

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

@media (max-width: 768px) {
    .page-download__hero-section {
        padding-top: var(--header-offset, 120px) !important;
        padding-bottom: 40px;
        padding-left: 15px;
        padding-right: 15px;
    }

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

    .page-download__intro-text {
        font-size: 16px;
    }

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

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

    .page-download__light-bg,
    .page-download__dark-bg,
    .page-download__faq-section,
    .page-download__final-cta {
        padding: 50px 0;
    }

    .page-download__container {
        padding: 0 15px;
    }

    /* Images responsiveness */
    .page-download img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
    }
    
    .page-download__section,
    .page-download__card,
    .page-download__container,
    .page-download__hero-image,
    .page-download__feature-item,
    .page-download__platform-guide,
    .page-download__feature-card,
    .page-download__qr-code {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }
    .page-download__hero-image,
    .page-download__feature-item,
    .page-download__platform-guide,
    .page-download__feature-card,
    .page-download__qr-code {
      padding-left: 0;
      padding-right: 0;
    }
    .page-download__qr-code img {
      max-width: 200px !important;
    }

    /* Buttons responsiveness */
    .page-download__btn-primary,
    .page-download__btn-secondary,
    .page-download a[class*="button"],
    .page-download a[class*="btn"] {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        padding-left: 15px !important;
        padding-right: 15px !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 !important;
        padding-right: 15px !important;
        flex-direction: column !important; /* Stack buttons vertically */
        gap: 15px !important;
    }

    /* FAQ mobile */
    .page-download__faq-question {
        padding: 15px;
        flex-wrap: wrap;
    }
    
    .page-download__faq-question h3 {
        font-size: 16px;
        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;
    }

    .page-download__final-cta .page-download__section-title {
        font-size: 32px;
    }
}

/* Ensure contrast for all text within page-download */
.page-download h1,
.page-download h2,
.page-download h3,
.page-download h4,
.page-download h5,
.page-download h6 {
    color: #222222; /* Darker for headings */
}

.page-download p,
.page-download li,
.page-download span {
    color: #333333; /* Standard text */
}

.page-download__dark-bg h1,
.page-download__dark-bg h2,
.page-download__dark-bg h3,
.page-download__dark-bg h4,
.page-download__dark-bg h5,
.page-download__dark-bg h6,
.page-download__dark-bg p,
.page-download__dark-bg li,
.page-download__dark-bg span {
    color: #ffffff; /* White text on dark background */
}

/* Additional contrast for specific elements if needed */
.page-download__faq-question h3 {
    color: #333333; /* Explicitly set for contrast */
}
.page-download__faq-toggle {
    color: #666666; /* Default for toggle */
}
.page-download__faq-item.active .page-download__faq-toggle {
    color: #26A9E0; /* Brand color when active */
}