/* style/download.css */
/* body đã padding-top: var(--header-offset)；trang này không được viết lại biến đó */

/* Màu sắc tùy chỉnh */
:root {
    --color-primary: #11A84E; /* Main */
    --color-secondary: #22C768; /* Auxiliary */
    --color-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --color-card-bg: #11271B;
    --color-background: #08160F;
    --color-text-main: #F2FFF6;
    --color-text-secondary: #A7D9B8;
    --color-border: #2E7A4E;
    --color-glow: #57E38D;
    --color-gold: #F2C14E;
    --color-divider: #1E3A2A;
    --color-deep-green: #0A4B2C;
}

.page-download {
    background-color: var(--color-background); /* #08160F */
    color: var(--color-text-main); /* #F2FFF6 */
    font-family: Arial, sans-serif;
    line-height: 1.6;
    font-size: 16px;
}

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

.page-download__section-title {
    font-size: clamp(28px, 4vw, 48px); /* H1 font-size clamp example */
    color: var(--color-text-main);
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
    line-height: 1.2;
}

.page-download__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 10px 0 60px 0; /* Small top padding */
    background-color: var(--color-background);
}

.page-download__hero-image-wrapper {
    width: 100%;
    overflow: hidden;
    position: relative;
    max-height: 675px; /* Limit image height to maintain aspect ratio without stretching */
}

.page-download__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    object-position: center;
    max-width: 100%;
}

.page-download__hero-content {
    text-align: center;
    padding: 40px 20px;
    max-width: 900px;
    margin-top: -100px; /* Overlap slightly with image for visual interest */
    background-color: var(--color-card-bg); /* Use a dark background for contrast */
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 10;
    position: relative;
}

.page-download__hero-title {
    font-size: clamp(32px, 5vw, 56px);
    color: var(--color-gold); /* Using gold for main title */
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.1;
}

.page-download__hero-description {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: 30px;
}

.page-download__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap; /* Allow buttons to wrap on smaller screens */
}

.page-download__btn-primary,
.page-download__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-download__btn-primary {
    background: var(--color-button-gradient);
    color: var(--color-text-main); /* #F2FFF6 */
    border: none;
}

.page-download__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(42, 209, 111, 0.4);
}

.page-download__btn-secondary {
    background-color: transparent;
    color: var(--color-primary); /* #11A84E */
    border: 2px solid var(--color-primary);
}

.page-download__btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-text-main);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(17, 168, 78, 0.3);
}

/* Benefits Section */
.page-download__benefits-section {
    padding: 80px 0;
}

.page-download__dark-section {
    background-color: var(--color-card-bg); /* #11271B */
    color: var(--color-text-main);
}

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

.page-download__benefit-card {
    background-color: var(--color-background); /* #08160F */
    padding: 30px;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease;
}

.page-download__benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-download__benefit-icon {
    width: 100%; /* Maximize image within card */
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto 20px auto;
    border-radius: 10px;
    object-fit: cover;
}

.page-download__card-title {
    font-size: 24px;
    color: var(--color-primary);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-download__card-text {
    font-size: 16px;
    color: var(--color-text-secondary);
}

/* Guide Section */
.page-download__guide-section {
    padding: 80px 0;
    background-color: #ffffff; /* Light background for contrast */
    color: var(--color-deep-green); /* Dark text for light background */
}

.page-download__light-bg {
    background-color: #ffffff;
}

.page-download__dark-text {
    color: var(--color-deep-green); /* #0A4B2C */
}

.page-download__guide-content {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
}

.page-download__guide-block {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    background-color: #f8f8f8;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-download__guide-subtitle {
    font-size: 28px;
    color: var(--color-primary);
    margin-bottom: 20px;
    font-weight: bold;
}

.page-download__guide-list {
    list-style: decimal;
    padding-left: 25px;
    font-size: 16px;
}

.page-download__guide-list li {
    margin-bottom: 10px;
}

/* Installation Section */
.page-download__installation-section {
    padding: 80px 0;
}

.page-download__installation-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
}

.page-download__installation-block {
    flex: 1;
    min-width: 300px;
    max-width: 500px;
    background-color: var(--color-background);
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--color-border);
}

.page-download__installation-subtitle {
    font-size: 28px;
    color: var(--color-primary);
    margin-bottom: 20px;
    font-weight: bold;
}

.page-download__installation-text {
    font-size: 16px;
    color: var(--color-text-secondary);
}

/* Requirements Section */
.page-download__requirements-section {
    padding: 80px 0;
}

.page-download__requirements-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: center;
}

.page-download__requirement-block {
    flex: 1;
    min-width: 280px;
    max-width: 450px;
    background-color: #f8f8f8;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.page-download__requirement-subtitle {
    font-size: 24px;
    color: var(--color-primary);
    margin-bottom: 15px;
    font-weight: bold;
}

.page-download__requirement-list {
    list-style: disc;
    padding-left: 25px;
    font-size: 16px;
}

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

.page-download__requirements-note {
    text-align: center;
    margin-top: 40px;
    font-size: 16px;
    font-style: italic;
}

/* Security Section */
.page-download__security-section {
    padding: 80px 0;
}

.page-download__security-content {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 40px;
}

.page-download__security-image {
    flex: 1;
    min-width: 300px;
    max-width: 600px;
    height: auto;
    display: block;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    object-fit: cover;
}

.page-download__security-text {
    flex: 2;
    min-width: 300px;
    font-size: 18px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

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

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

.page-download__faq-item {
    background-color: #f8f8f8;
    border: 1px solid var(--color-border);
    margin-bottom: 15px;
    border-radius: 10px;
    overflow: hidden;
}

.page-download__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    background-color: #ffffff;
    font-size: 18px;
    font-weight: bold;
    color: var(--color-primary);
    border-bottom: 1px solid var(--color-border);
}

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

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

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

.page-download__faq-toggle {
    font-size: 24px;
    font-weight: bold;
    margin-left: 15px;
    color: var(--color-primary);
}

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

.page-download__faq-answer {
    padding: 20px;
    font-size: 16px;
    color: var(--color-deep-green);
    line-height: 1.7;
}

/* Final CTA Section */
.page-download__cta-final-section {
    padding: 80px 0;
    text-align: center;
}

.page-download__cta-final-description {
    font-size: 18px;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Copyright */
.page-download__copyright-info {
    text-align: center;
    padding: 20px;
    background-color: var(--color-background);
    color: var(--color-text-secondary);
    font-size: 14px;
    border-top: 1px solid var(--color-divider);
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .page-download__hero-content {
        margin-top: -80px;
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .page-download {
        font-size: 15px;
        line-height: 1.6;
    }

    .page-download__container,
    .page-download__hero-section,
    .page-download__benefits-section,
    .page-download__guide-section,
    .page-download__installation-section,
    .page-download__requirements-section,
    .page-download__security-section,
    .page-download__faq-section,
    .page-download__cta-final-section {
        padding-left: 15px !important;
        padding-right: 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .page-download__hero-section {
        padding-top: 10px !important;
        padding-bottom: 40px !important;
    }

    .page-download__hero-content {
        margin-top: -60px;
        padding: 25px;
        border-radius: 10px;
    }

    .page-download__hero-title {
        font-size: clamp(24px, 7vw, 40px);
    }

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

    .page-download__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-download__btn-primary,
    .page-download__btn-secondary {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px !important;
        font-size: 16px !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    /* Images */
    .page-download img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    /* Video (if any, though none is directly used here, only image placeholders) */
    .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__benefits-grid,
    .page-download__guide-content,
    .page-download__installation-grid,
    .page-download__requirements-grid,
    .page-download__security-content {
        grid-template-columns: 1fr;
        flex-direction: column;
        gap: 30px;
    }

    .page-download__section-title {
        font-size: clamp(24px, 6vw, 36px);
        margin-bottom: 30px;
    }

    .page-download__card-title,
    .page-download__guide-subtitle,
    .page-download__installation-subtitle,
    .page-download__requirement-subtitle {
        font-size: 22px;
    }

    .page-download__faq-question {
        font-size: 16px;
        padding: 15px;
    }

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

    .page-download__security-image {
        max-width: 100%;
    }
}

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