/* style/blog-vn16-app-security.css */

/* Variables from custom palette */
:root {
    --page-blog-vn16-app-security-primary: #11A84E;
    --page-blog-vn16-app-security-secondary: #22C768;
    --page-blog-vn16-app-security-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --page-blog-vn16-app-security-card-bg: #11271B;
    --page-blog-vn16-app-security-background: #08160F;
    --page-blog-vn16-app-security-text-main: #F2FFF6;
    --page-blog-vn16-app-security-text-secondary: #A7D9B8;
    --page-blog-vn16-app-security-border: #2E7A4E;
    --page-blog-vn16-app-security-glow: #57E38D;
    --page-blog-vn16-app-security-gold: #F2C14E;
    --page-blog-vn16-app-security-divider: #1E3A2A;
    --page-blog-vn16-app-security-deep-green: #0A4B2C;
}

.page-blog-vn16-app-security {
    /* Assuming body background is dark from shared.css (var(--body-bg) which is #08160F) */
    background-color: var(--page-blog-vn16-app-security-background);
    color: var(--page-blog-vn16-app-security-text-main); /* Light text for dark background */
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

.page-blog-vn16-app-security a {
    color: var(--page-blog-vn16-app-security-gold); /* Gold for links */
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-blog-vn16-app-security a:hover {
    color: var(--page-blog-vn16-app-security-glow);
    text-decoration: underline;
}

/* Hero Section */
.page-blog-vn16-app-security__hero-section {
    display: flex;
    flex-direction: column; /* Image above text */
    align-items: center;
    text-align: center;
    padding: 10px 20px 60px; /* Small top padding, more bottom padding */
    position: relative;
    overflow: hidden;
    background-color: var(--page-blog-vn16-app-security-deep-green); /* Darker background for hero */
}

.page-blog-vn16-app-security__hero-image-wrapper {
    width: 100%;
    max-width: 100%;
    margin-bottom: 30px; /* Space between image and content */
}

.page-blog-vn16-app-security__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    border-radius: 8px;
}

.page-blog-vn16-app-security__hero-content {
    max-width: 900px;
    margin: 0 auto;
    z-index: 1;
    position: relative; /* Ensure text is not absolutely positioned on image */
}

.page-blog-vn16-app-security__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem); /* Responsive H1 font size */
    color: var(--page-blog-vn16-app-security-text-main);
    margin-bottom: 15px;
    font-weight: bold;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.page-blog-vn16-app-security__lead-text {
    font-size: clamp(1rem, 1.5vw, 1.25rem);
    color: var(--page-blog-vn16-app-security-text-secondary);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.page-blog-vn16-app-security__cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap; /* Allow wrapping on small screens */
}

.page-blog-vn16-app-security__btn-primary,
.page-blog-vn16-app-security__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 30px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    min-width: 180px;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-blog-vn16-app-security__btn-primary {
    background: var(--page-blog-vn16-app-security-button-gradient);
    color: #ffffff; /* White text for primary button */
    border: 2px solid transparent;
}

.page-blog-vn16-app-security__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
    opacity: 0.9;
}

.page-blog-vn16-app-security__btn-secondary {
    background: transparent;
    color: var(--page-blog-vn16-app-security-gold); /* Gold text for secondary button */
    border: 2px solid var(--page-blog-vn16-app-security-gold);
}

.page-blog-vn16-app-security__btn-secondary:hover {
    background: var(--page-blog-vn16-app-security-gold);
    color: var(--page-blog-vn16-app-security-deep-green); /* Darker text on hover */
    transform: translateY(-3px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

/* Content Sections */
.page-blog-vn16-app-security__content-section {
    padding: 60px 0;
    border-bottom: 1px solid var(--page-blog-vn16-app-security-divider);
}

.page-blog-vn16-app-security__content-section:last-of-type {
    border-bottom: none;
}

.page-blog-vn16-app-security__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-blog-vn16-app-security__section-title {
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    color: var(--page-blog-vn16-app-security-text-main);
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
    position: relative;
    padding-bottom: 10px;
}

.page-blog-vn16-app-security__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--page-blog-vn16-app-security-gold);
    border-radius: 2px;
}

.page-blog-vn16-app-security__sub-title {
    font-size: clamp(1.4rem, 2.5vw, 2rem);
    color: var(--page-blog-vn16-app-security-gold);
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 600;
}

.page-blog-vn16-app-security__paragraph {
    font-size: 1.1rem;
    color: var(--page-blog-vn16-app-security-text-secondary);
    margin-bottom: 20px;
}

.page-blog-vn16-app-security__content-image {
    width: 100%;
    height: auto;
    display: block;
    margin: 30px auto;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    object-fit: cover;
    min-width: 200px; /* Enforce minimum size */
    min-height: 200px; /* Enforce minimum size */
}

/* FAQ Section */
.page-blog-vn16-app-security__faq-section {
    padding: 60px 0;
    background-color: var(--page-blog-vn16-app-security-card-bg); /* Darker background for FAQ */
}

.page-blog-vn16-app-security__faq-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.page-blog-vn16-app-security__faq-item {
    background-color: var(--page-blog-vn16-app-security-deep-green);
    border: 1px solid var(--page-blog-vn16-app-security-border);
    border-radius: 8px;
    overflow: hidden;
    color: var(--page-blog-vn16-app-security-text-main);
}

.page-blog-vn16-app-security__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    font-size: 1.15rem;
    font-weight: bold;
    cursor: pointer;
    background-color: var(--page-blog-vn16-app-security-deep-green);
    color: var(--page-blog-vn16-app-security-text-main);
    transition: background-color 0.3s ease;
    list-style: none; /* For details/summary */
}

.page-blog-vn16-app-security__faq-question::-webkit-details-marker {
    display: none; /* Hide default marker for details/summary */
}

.page-blog-vn16-app-security__faq-question:hover {
    background-color: rgba(var(--page-blog-vn16-app-security-deep-green), 0.8); /* Slightly lighter on hover */
}

.page-blog-vn16-app-security__faq-toggle {
    font-size: 1.5rem;
    font-weight: normal;
    line-height: 1;
    color: var(--page-blog-vn16-app-security-gold);
    margin-left: 15px;
}

.page-blog-vn16-app-security__faq-item[open] .page-blog-vn16-app-security__faq-toggle {
    content: '−'; /* Change to minus when open */
}

.page-blog-vn16-app-security__faq-answer {
    padding: 0 20px 20px;
    font-size: 1rem;
    color: var(--page-blog-vn16-app-security-text-secondary);
}

/* Conclusion Section */
.page-blog-vn16-app-security__conclusion-section {
    padding: 60px 0;
    text-align: center;
    background-color: var(--page-blog-vn16-app-security-deep-green);
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-blog-vn16-app-security__hero-content {
        padding: 0 20px;
    }
}

@media (max-width: 768px) {
    .page-blog-vn16-app-security__hero-section {
        padding: 10px 15px 40px;
    }

    .page-blog-vn16-app-security__main-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }

    .page-blog-vn16-app-security__lead-text {
        font-size: 1rem;
    }

    .page-blog-vn16-app-security__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-blog-vn16-app-security__btn-primary,
    .page-blog-vn16-app-security__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        padding: 12px 20px;
        font-size: 0.95rem;
    }

    .page-blog-vn16-app-security__content-section {
        padding: 40px 0;
    }

    .page-blog-vn16-app-security__container {
        padding: 0 15px;
    }

    .page-blog-vn16-app-security__section-title {
        font-size: clamp(1.5rem, 5vw, 2.2rem);
        margin-bottom: 30px;
    }

    .page-blog-vn16-app-security__sub-title {
        font-size: clamp(1.2rem, 4vw, 1.6rem);
    }

    .page-blog-vn16-app-security__paragraph {
        font-size: 0.95rem;
    }

    /* Mobile image responsive styles */
    .page-blog-vn16-app-security img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    /* Mobile container padding for images, videos, buttons */
    .page-blog-vn16-app-security__hero-image-wrapper,
    .page-blog-vn16-app-security__container,
    .page-blog-vn16-app-security__cta-buttons {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important; /* Ensure no overflow */
    }

    .page-blog-vn16-app-security__faq-section {
        padding: 40px 0;
    }

    .page-blog-vn16-app-security__faq-question {
        font-size: 1rem;
        padding: 15px;
    }

    .page-blog-vn16-app-security__faq-answer {
        padding: 0 15px 15px;
    }

    .page-blog-vn16-app-security__conclusion-section {
        padding: 40px 0;
    }
}

/* Ensure content images meet minimum size requirements */
.page-blog-vn16-app-security__content-image {
    min-width: 200px;
    min-height: 200px;
}

/* CSS for FAQ toggle icon in details/summary */
.page-blog-vn16-app-security__faq-item summary {
    list-style: none; /* Remove default marker */
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.page-blog-vn16-app-security__faq-item summary::-webkit-details-marker {
    display: none; /* Hide default marker for webkit browsers */
}