/* style/security-guide.css */

/* Biến CSS */
:root {
    --page-security-guide-primary-color: #003366;
    --page-security-guide-secondary-color: #FFCC00;
    --page-security-guide-text-light: #FFFFFF;
    --page-security-guide-text-dark: #333333;
    --page-security-guide-background-light: #f8f8f8;
    --page-security-guide-accent-dark: #997a00; /* Darker shade for text on gold */
}

.page-security-guide {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--page-security-guide-text-dark);
    background-color: var(--page-security-guide-background-light);
}

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

.page-security-guide__hero {
    background: linear-gradient(135deg, var(--page-security-guide-primary-color), #004488);
    color: var(--page-security-guide-text-light);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
}

.page-security-guide__hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.15;
    z-index: 1;
}

.page-security-guide__hero > .page-security-guide__container {
    position: relative;
    z-index: 2;
}

.page-security-guide__hero-title {
    font-size: 2.8em;
    margin-bottom: 15px;
    color: var(--page-security-guide-text-light);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-security-guide__hero-subtitle {
    font-size: 1.3em;
    margin-bottom: 30px;
    color: var(--page-security-guide-text-light);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-security-guide__section {
    padding: 60px 0;
    border-bottom: 1px solid #eee;
}

.page-security-guide__section:last-of-type {
    border-bottom: none;
}

.page-security-guide__section-title {
    font-size: 2.2em;
    color: var(--page-security-guide-primary-color);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.page-security-guide__section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--page-security-guide-secondary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

.page-security-guide__subsection-title {
    font-size: 1.8em;
    color: var(--page-security-guide-primary-color);
    margin-top: 40px;
    margin-bottom: 20px;
    border-left: 5px solid var(--page-security-guide-secondary-color);
    padding-left: 15px;
}

.page-security-guide p {
    margin-bottom: 15px;
    font-size: 1.1em;
    color: var(--page-security-guide-text-dark);
}

.page-security-guide ul {
    list-style-type: disc;
    margin-left: 25px;
    margin-bottom: 20px;
    color: var(--page-security-guide-text-dark);
}

.page-security-guide ul li {
    margin-bottom: 10px;
    font-size: 1.05em;
}

.page-security-guide__btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease;
    font-size: 1.1em;
    text-align: center;
}

.page-security-guide__btn--primary {
    background-color: var(--page-security-guide-secondary-color);
    color: var(--page-security-guide-primary-color);
    border: 2px solid var(--page-security-guide-secondary-color);
}

.page-security-guide__btn--primary:hover {
    background-color: #e6b800; /* Slightly darker gold */
    color: var(--page-security-guide-primary-color);
    border-color: #e6b800;
}

.page-security-guide__btn--secondary {
    background-color: transparent;
    color: var(--page-security-guide-primary-color);
    border: 2px solid var(--page-security-guide-primary-color);
    margin-left: 15px;
}

.page-security-guide__btn--secondary:hover {
    background-color: var(--page-security-guide-primary-color);
    color: var(--page-security-guide-text-light);
}

.page-security-guide__btn--tertiary {
    background-color: var(--page-security-guide-primary-color);
    color: var(--page-security-guide-text-light);
    border: 2px solid var(--page-security-guide-primary-color);
    margin-left: 15px;
}

.page-security-guide__btn--tertiary:hover {
    background-color: #004488;
    border-color: #004488;
}

.page-security-guide__btn--small {
    padding: 8px 15px;
    font-size: 0.9em;
}

.page-security-guide__content-image {
    width: 100%;
    max-width: 600px;
    height: auto;
    display: block;
    margin: 30px auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-security-guide__related-articles {
    background-color: var(--page-security-guide-primary-color);
    color: var(--page-security-guide-text-light);
}

.page-security-guide__related-articles .page-security-guide__section-title {
    color: var(--page-security-guide-text-light);
}

.page-security-guide__related-articles .page-security-guide__section-title::after {
    background-color: var(--page-security-guide-secondary-color);
}

.page-security-guide__article-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-security-guide__article-item {
    background-color: var(--page-security-guide-text-light);
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-security-guide__article-title {
    font-size: 1.4em;
    margin-bottom: 15px;
}

.page-security-guide__article-title a {
    color: var(--page-security-guide-primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

.page-security-guide__article-title a:hover {
    color: var(--page-security-guide-secondary-color);
}

.page-security-guide__article-description {
    font-size: 1em;
    color: var(--page-security-guide-text-dark);
    margin-bottom: 20px;
    flex-grow: 1;
}

.page-security-guide__cta {
    background: linear-gradient(90deg, var(--page-security-guide-secondary-color), #FFD700);
    padding: 80px 0;
    text-align: center;
    color: var(--page-security-guide-primary-color);
}

.page-security-guide__cta .page-security-guide__section-title {
    color: var(--page-security-guide-primary-color);
}

.page-security-guide__cta .page-security-guide__section-title::after {
    background-color: var(--page-security-guide-primary-color);
}

.page-security-guide__cta p {
    font-size: 1.2em;
    margin-bottom: 40px;
    color: var(--page-security-guide-primary-color);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .page-security-guide__hero-title {
        font-size: 2em;
    }

    .page-security-guide__hero-subtitle {
        font-size: 1em;
    }

    .page-security-guide__section-title {
        font-size: 1.8em;
    }

    .page-security-guide__subsection-title {
        font-size: 1.5em;
    }

    .page-security-guide__btn {
        width: 100%;
        margin-left: 0;
        margin-bottom: 15px;
    }

    .page-security-guide__cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .page-security-guide__article-list {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .page-security-guide__hero {
        padding: 50px 0;
    }

    .page-security-guide__hero-title {
        font-size: 1.8em;
    }

    .page-security-guide__section {
        padding: 40px 0;
    }

    .page-security-guide p, .page-security-guide ul li {
        font-size: 1em;
    }

    .page-security-guide__article-item {
        padding: 20px;
    }
}