/* style/resources-app-download-install.css */

/* Biến CSS */
:root {
    --page-bg-color: #1A202C;
    --page-text-color: #F7FAFC; /* Light gray for readability on dark background */
    --page-heading-color: #E53E3E; /* Red accent for headings */
    --page-accent-color: #E53E3E;
    --page-dark-section-bg: #2D3748; /* Slightly lighter dark for contrast */
    --page-button-primary-bg: #E53E3E;
    --page-button-primary-text: #FFFFFF;
    --page-button-secondary-bg: #4A5568;
    --page-button-secondary-text: #FFFFFF;
    --page-link-color: #E53E3E;
    --page-border-color: #4A5568;
}

.page-resources-app-download-install {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--page-text-color);
    background-color: var(--page-bg-color);
}

.page-resources-app-download-install__container {
    max-width: 800px; /* Optimal width for long article readability */
    margin: 0 auto;
    padding: 20px;
}

.page-resources-app-download-install__hero {
    background: linear-gradient(135deg, var(--page-bg-color) 0%, #303b4f 100%); /* Subtle gradient */
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 2px solid var(--page-accent-color);
}

.page-resources-app-download-install__title {
    font-size: 2.8em;
    color: var(--page-heading-color);
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
}

.page-resources-app-download-install__subtitle {
    font-size: 1.2em;
    color: var(--page-text-color);
    margin-bottom: 30px;
}

.page-resources-app-download-install__hero-image {
    max-width: 100%;
    height: auto;
    margin-top: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.3);
}

.page-resources-app-download-install__section {
    padding: 60px 0;
    background-color: var(--page-bg-color);
}

.page-resources-app-download-install__section--dark {
    background-color: var(--page-dark-section-bg);
}

.page-resources-app-download-install__heading {
    font-size: 2em;
    color: var(--page-heading-color);
    margin-bottom: 30px;
    text-align: center;
    font-weight: bold;
}

.page-resources-app-download-install__sub-heading {
    font-size: 1.4em;
    color: var(--page-text-color);
    margin-top: 25px;
    margin-bottom: 15px;
    font-weight: bold;
}

.page-resources-app-download-install p {
    font-size: 1.1em;
    margin-bottom: 1em;
    line-height: 1.7;
}

.page-resources-app-download-install .highlight {
    color: var(--page-heading-color);
    font-weight: bold;
}

.page-resources-app-download-install__button {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.2s ease;
    margin: 10px 5px;
    font-size: 1.1em;
    text-align: center;
}

.page-resources-app-download-install__button--primary {
    background-color: var(--page-button-primary-bg);
    color: var(--page-button-primary-text);
    border: 2px solid var(--page-button-primary-bg);
}

.page-resources-app-download-install__button--primary:hover {
    background-color: #c03030;
    border-color: #c03030;
    transform: translateY(-2px);
}

.page-resources-app-download-install__button--secondary {
    background-color: var(--page-button-secondary-bg);
    color: var(--page-button-secondary-text);
    border: 2px solid var(--page-button-secondary-bg);
}

.page-resources-app-download-install__button--secondary:hover {
    background-color: #5f6c81;
    border-color: #5f6c81;
    transform: translateY(-2px);
}

.page-resources-app-download-install__button--link {
    background-color: transparent;
    color: var(--page-link-color);
    border: 2px solid var(--page-link-color);
}

.page-resources-app-download-install__button--link:hover {
    background-color: var(--page-link-color);
    color: var(--page-button-primary-text);
    transform: translateY(-2px);
}

.page-resources-app-download-install__button--small {
    padding: 8px 15px;
    font-size: 0.9em;
}

.page-resources-app-download-install a {
    color: var(--page-link-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-resources-app-download-install a:hover {
    color: #FF7F7F; /* Lighter red on hover */
    text-decoration: underline;
}

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

.page-resources-app-download-install__feature-item {
    background-color: var(--page-dark-section-bg);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.page-resources-app-download-install__feature-item:hover {
    transform: translateY(-5px);
}

.page-resources-app-download-install__feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    filter: invert(1) sepia(1) saturate(5) hue-rotate(330deg) brightness(1.2); /* Make icons red/white */
}

.page-resources-app-download-install__cta-block {
    text-align: center;
    margin-top: 50px;
    padding: 30px;
    background-color: var(--page-dark-section-bg);
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-resources-app-download-install__cta-block p {
    font-size: 1.2em;
    margin-bottom: 20px;
    font-weight: bold;
}

.page-resources-app-download-install__steps-list {
    list-style: none;
    padding: 0;
    counter-reset: step-counter;
}

.page-resources-app-download-install__steps-list li {
    background-color: var(--page-dark-section-bg);
    margin-bottom: 25px;
    padding: 30px;
    border-radius: 10px;
    position: relative;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-resources-app-download-install__steps-list li::before {
    counter-increment: step-counter;
    content: "Bước " counter(step-counter);
    position: absolute;
    top: -15px;
    left: 20px;
    background-color: var(--page-accent-color);
    color: var(--page-button-primary-text);
    padding: 5px 15px;
    border-radius: 5px;
    font-weight: bold;
    font-size: 0.9em;
}

.page-resources-app-download-install__step-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-top: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-resources-app-download-install__flex-row {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    margin-top: 40px;
}

.page-resources-app-download-install__flex-item {
    flex: 1 1 calc(50% - 15px);
    background-color: var(--page-dark-section-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.page-resources-app-download-install__flex-item p {
    text-align: left;
}

.page-resources-app-download-install__flex-image {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-top: 20px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.page-resources-app-download-install__bullet-list {
    list-style: none;
    padding: 0;
}

.page-resources-app-download-install__bullet-list li {
    background-color: var(--page-dark-section-bg);
    margin-bottom: 20px;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    border-left: 5px solid var(--page-accent-color);
}

.page-resources-app-download-install__bullet-list li p {
    margin-bottom: 0;
}

.page-resources-app-download-install__troubleshoot-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    margin-top: 40px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.page-resources-app-download-install__section--cta {
    text-align: center;
    padding: 80px 0;
    background: linear-gradient(45deg, var(--page-accent-color), #FF4500); /* A bit more vibrant for CTA */
    color: var(--page-button-primary-text);
}

.page-resources-app-download-install__section--cta .page-resources-app-download-install__heading {
    color: var(--page-button-primary-text);
}

.page-resources-app-download-install__section--cta p {
    font-size: 1.15em;
    margin-bottom: 25px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .page-resources-app-download-install__title {
        font-size: 2.2em;
    }

    .page-resources-app-download-install__heading {
        font-size: 1.8em;
    }

    .page-resources-app-download-install__sub-heading {
        font-size: 1.2em;
    }

    .page-resources-app-download-install__features {
        grid-template-columns: 1fr;
    }

    .page-resources-app-download-install__flex-row {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .page-resources-app-download-install__title {
        font-size: 1.8em;
    }

    .page-resources-app-download-install__heading {
        font-size: 1.5em;
    }

    .page-resources-app-download-install__button {
        padding: 10px 20px;
        font-size: 1em;
    }
}