/* style/download.css */
/* body đã padding-top: var(--header-offset) từ shared.css, không lặp lại ở đây */

:root {
    --primary-color: #26A9E0;
    --secondary-color: #FFFFFF;
    --text-dark: #333333;
    --text-light: #ffffff;
    --bg-light: #ffffff;
    --bg-dark: #26A9E0;
    --login-color: #EA7C07;
    --login-color-darken: #D26F06; /* Darkened version of --login-color */
}

.page-download {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--text-dark); /* Default text color for light backgrounds */
    background-color: var(--bg-light); /* Default light background */
}

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

.page-download__section-title {
    font-size: 2.5em;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 30px;
    font-weight: bold;
    line-height: 1.2;
}

.page-download__text-block {
    font-size: 1.1em;
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: var(--text-dark);
}

/* Hero Section */
.page-download__hero-section {
    display: flex;
    flex-direction: column; /* Image on top, content below */
    align-items: center;
    padding: 10px 0 60px 0; /* body already handles top padding */
    background: linear-gradient(135deg, var(--primary-color), #4CAF50); /* Example gradient */
    color: var(--text-light);
}

.page-download__hero-image-wrapper {
    width: 100%;
    max-width: 1200px; /* Constrain image width */
    margin-bottom: 30px;
    text-align: center;
}

.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;
    text-align: center;
    padding: 0 20px;
}

.page-download__main-title {
    font-size: clamp(2.2em, 4vw, 3.5em); /* Responsive font size */
    color: var(--text-light);
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
}

.page-download__description {
    font-size: 1.2em;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

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

.page-download__btn-primary,
.page-download__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: all 0.3s ease;
    min-width: 200px;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-download__btn-primary {
    background-color: var(--login-color); /* Use login color for primary CTA */
    color: var(--text-light);
    border: 2px solid var(--login-color);
}

.page-download__btn-primary:hover {
    background-color: var(--login-color-darken);
    border-color: var(--login-color-darken);
    transform: translateY(-3px);
}

.page-download__btn-secondary {
    background-color: transparent;
    color: var(--text-light);
    border: 2px solid var(--text-light);
}

.page-download__btn-secondary:hover {
    background-color: var(--text-light);
    color: var(--primary-color);
    transform: translateY(-3px);
}

/* Why Download Section */
.page-download__why-download-section {
    padding: 80px 0;
    background-color: var(--bg-light);
    color: var(--text-dark);
}

.page-download__benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-download__benefit-card {
    background-color: var(--secondary-color); /* White card background */
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
    color: var(--text-dark);
}

.page-download__benefit-card:hover {
    transform: translateY(-10px);
}

.page-download__benefit-title {
    font-size: 1.5em;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-download__benefit-description {
    font-size: 1em;
    color: var(--text-dark);
}

/* How to Download Section */
.page-download__how-to-download-section {
    padding: 80px 0;
    background-color: var(--primary-color); /* Darker background */
    color: var(--text-light);
}

.page-download__how-to-download-section .page-download__section-title,
.page-download__how-to-download-section .page-download__text-block {
    color: var(--text-light);
}

.page-download__download-steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.page-download__download-platform {
    background-color: rgba(255, 255, 255, 0.15); /* Slightly transparent white */
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
    color: var(--text-light);
}

.page-download__platform-title {
    font-size: 1.8em;
    color: var(--text-light);
    margin-bottom: 20px;
    font-weight: bold;
}

.page-download__platform-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-bottom: 25px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.page-download__step-list {
    list-style: none;
    padding: 0;
    margin-bottom: 30px;
    text-align: left;
    font-size: 1.05em;
    counter-reset: step-counter;
}

.page-download__step-list li {
    margin-bottom: 15px;
    position: relative;
    padding-left: 30px;
}

.page-download__step-list li::before {
    content: counter(step-counter);
    counter-increment: step-counter;
    position: absolute;
    left: 0;
    top: 0;
    background-color: var(--login-color);
    color: var(--text-light);
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9em;
    font-weight: bold;
}

.page-download__btn-full-width {
    width: 100%;
    max-width: 300px;
    margin: 0 auto;
    display: block;
}

/* App Features Section */
.page-download__app-features-section {
    padding: 80px 0;
    background-color: var(--bg-light);
    color: var(--text-dark);
}

.page-download__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
    margin-bottom: 50px;
}

.page-download__feature-card {
    background-color: var(--secondary-color);
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    color: var(--text-dark);
}

.page-download__feature-title {
    font-size: 1.4em;
    color: var(--primary-color);
    margin-bottom: 10px;
    font-weight: bold;
}

.page-download__feature-description {
    font-size: 0.95em;
    color: var(--text-dark);
}

.page-download__features-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 40px auto 0 auto;
    border-radius: 10px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* Security Section */
.page-download__security-section {
    padding: 80px 0;
    background-color: var(--primary-color); /* Darker background */
    color: var(--text-light);
}

.page-download__security-section .page-download__section-title,
.page-download__security-section .page-download__text-block {
    color: var(--text-light);
}

.page-download__security-image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 40px auto 0 auto;
    border-radius: 10px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

/* Video Section */
.page-download__video-section {
    padding: 10px 0 80px 0; /* body handles top padding, add minimal top padding */
    background-color: var(--bg-light);
    color: var(--text-dark);
    text-align: center;
}

.page-download__video-wrapper {
    position: relative;
    width: 100%;
    max-width: 1000px; /* Max width for the video player */
    margin: 40px auto;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    background-color: #000;
    border-radius: 10px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.page-download__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    display: block; /* Ensure it behaves like a block element */
    cursor: pointer;
}

/* FAQ Section */
.page-download__faq-section {
    padding: 80px 0;
    background-color: var(--bg-light);
    color: var(--text-dark);
}

.page-download__faq-list {
    max-width: 800px;
    margin: 50px auto 0 auto;
}

.page-download__faq-item {
    background-color: var(--secondary-color);
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.1em;
    font-weight: bold;
    color: var(--primary-color);
    cursor: pointer;
    background-color: #f9f9f9;
    border-bottom: 1px solid #e0e0e0;
    transition: background-color 0.3s ease;
    list-style: none; /* For details summary */
}

.page-download__faq-question::-webkit-details-marker {
    display: none;
}

.page-download__faq-question:hover {
    background-color: #f0f0f0;
}

.page-download__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    color: var(--login-color); /* Use login color for toggle */
}

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

.page-download__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1em;
    color: var(--text-dark);
    line-height: 1.7;
}

.page-download__faq-answer p {
    margin-top: 15px;
    margin-bottom: 0;
    text-align: left;
}

/* Final CTA Section */
.page-download__cta-final-section {
    padding: 80px 0;
    background-color: var(--primary-color);
    color: var(--text-light);
    text-align: center;
}

.page-download__cta-final-section .page-download__section-title,
.page-download__cta-final-section .page-download__text-block {
    color: var(--text-light);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-download__section-title {
        font-size: 2em;
    }
    .page-download__main-title {
        font-size: clamp(2em, 5vw, 3em);
    }
    .page-download__description {
        font-size: 1.1em;
    }
    .page-download__cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    .page-download__btn-primary,
    .page-download__btn-secondary {
        width: 80%;
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .page-download {
        font-size: 16px;
        line-height: 1.6;
    }
    .page-download__hero-section {
        padding: 10px 0 40px 0;
    }
    .page-download__section-title {
        font-size: 1.8em;
        margin-bottom: 25px;
    }
    .page-download__main-title {
        font-size: clamp(1.8em, 6vw, 2.5em);
    }
    .page-download__description {
        font-size: 1em;
        margin-bottom: 30px;
    }
    .page-download__text-block {
        font-size: 1em;
        margin-bottom: 30px;
    }
    .page-download__cta-buttons {
        gap: 15px;
    }
    .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;
        padding-left: 15px;
        padding-right: 15px;
    }
    .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;
    }

    /* Images responsiveness */
    .page-download img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-download__section,
    .page-download__card,
    .page-download__container,
    .page-download__hero-image-wrapper,
    .page-download__download-platform {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important; /* Ensure content doesn't overflow */
    }

    /* Video responsiveness */
    .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; /* Small top padding */
    }
    .page-download__video-wrapper {
        padding-bottom: 56.25% !important; /* Maintain aspect ratio */
        height: 0 !important;
    }

    .page-download__download-steps-grid {
        grid-template-columns: 1fr;
    }
    .page-download__benefits-grid,
    .page-download__features-grid {
        grid-template-columns: 1fr;
    }
    .page-download__faq-question {
        font-size: 1em;
        padding: 15px 20px;
    }
    .page-download__faq-answer {
        padding: 0 20px 15px 20px;
    }
}

/* Color Contrast Safeguards - explicitly set colors */
.page-download__light-bg {
    background-color: var(--bg-light);
    color: var(--text-dark);
}

.page-download__dark-bg {
    background-color: var(--bg-dark); /* Primary brand color */
    color: var(--text-light);
}
.page-download__how-to-download-section,
.page-download__security-section,
.page-download__cta-final-section {
    background-color: var(--primary-color);
    color: var(--text-light);
}
.page-download__how-to-download-section .page-download__section-title,
.page-download__how-to-download-section .page-download__text-block,
.page-download__how-to-download-section .page-download__platform-title,
.page-download__security-section .page-download__section-title,
.page-download__security-section .page-download__text-block,
.page-download__cta-final-section .page-download__section-title,
.page-download__cta-final-section .page-download__text-block {
    color: var(--text-light);
}

.page-download__hero-section {
    background: linear-gradient(135deg, var(--primary-color) 0%, #007bff 100%); /* Adjusted gradient */
    color: var(--text-light);
}
.page-download__hero-section .page-download__main-title,
.page-download__hero-section .page-download__description {
    color: var(--text-light);
}

.page-download__benefit-card,
.page-download__feature-card {
    background-color: var(--secondary-color);
    color: var(--text-dark);
}
.page-download__benefit-card .page-download__benefit-title,
.page-download__feature-card .page-download__feature-title {
    color: var(--primary-color);
}
.page-download__benefit-card .page-download__benefit-description,
.page-download__feature-card .page-download__feature-description {
    color: var(--text-dark);
}

.page-download__faq-item {
    background-color: var(--secondary-color);
    color: var(--text-dark);
}
.page-download__faq-question {
    color: var(--primary-color);
    background-color: #f9f9f9; /* Light background for question */
}
.page-download__faq-answer {
    color: var(--text-dark);
}
.page-download__faq-toggle {
    color: var(--login-color); /* Login color for toggle */
}

/* Ensure image colors are not altered by filters */
.page-download img {
    filter: none;
}