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

.page-faq {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: var(--page-faq-text-main); /* Light text for dark background */
    background-color: var(--page-faq-background); /* Overall page background */
}

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

/* Hero Section */
.page-faq__hero-section {
    position: relative;
    display: flex;
    flex-direction: column; /* Image above text */
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 60px 20px;
    padding-top: 10px; /* Small top padding, body handles header offset */
    overflow: hidden; /* Ensure content doesn't spill */
    background-color: var(--page-faq-deep-green-color); /* A darker background for the hero section */
}

.page-faq__hero-image-wrapper {
    width: 100%;
    max-width: 100%;
    margin-bottom: 20px; /* Space between image and content */
}

.page-faq__hero-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    object-fit: cover;
}

.page-faq__hero-content {
    max-width: 900px;
    width: 100%; /* Ensure content block takes full width up to max */
    z-index: 1;
}

.page-faq__main-title {
    font-size: clamp(2em, 4vw, 3.5em); /* Responsive font size for H1 */
    font-weight: bold;
    color: var(--page-faq-gold-color); /* Gold color for main title */
    margin-bottom: 15px;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(87, 227, 141, 0.5); /* Subtle glow */
}

.page-faq__intro-text {
    font-size: 1.2em;
    color: var(--page-faq-text-secondary);
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* General Section Styles */
.page-faq__section-title {
    font-size: clamp(1.8em, 3.5vw, 2.5em);
    color: var(--page-faq-gold-color);
    text-align: center;
    margin-bottom: 40px;
    padding-top: 40px;
    text-shadow: 0 0 8px rgba(87, 227, 141, 0.3);
}

.page-faq__section-title--centered {
    text-align: center;
}

.page-faq__text-block {
    font-size: 1.1em;
    color: var(--page-faq-text-main);
    margin-bottom: 20px;
    text-align: justify;
}

.page-faq__text-block--centered {
    text-align: center;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.page-faq__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap; /* Allow wrapping on small screens */
    margin-top: 30px;
}

.page-faq__cta-buttons--centered {
    margin-left: auto;
    margin-right: auto;
}

.page-faq__btn-primary,
.page-faq__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
    width: auto; /* Default auto width */
    text-align: center;
}

.page-faq__btn-primary {
    background: var(--page-faq-button-gradient);
    color: #ffffff; /* White text for contrast */
    border: 2px solid var(--page-faq-primary-color);
    box-shadow: 0 4px 15px rgba(34, 199, 104, 0.4);
}

.page-faq__btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(34, 199, 104, 0.6);
}

.page-faq__btn-secondary {
    background-color: transparent;
    color: var(--page-faq-gold-color);
    border: 2px solid var(--page-faq-gold-color);
    box-shadow: 0 4px 15px rgba(242, 193, 78, 0.2);
}

.page-faq__btn-secondary:hover {
    background-color: var(--page-faq-gold-color);
    color: var(--page-faq-background); /* Dark text on gold hover */
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(242, 193, 78, 0.4);
}

.page-faq__btn-primary--large,
.page-faq__btn-secondary--large {
    min-width: 200px;
    font-size: 1.1em;
    padding: 18px 35px;
}

.page-faq__btn-text {
    color: var(--page-faq-gold-color);
    text-decoration: underline;
    font-weight: bold;
    transition: color 0.3s ease;
}

.page-faq__btn-text:hover {
    color: var(--page-faq-glow-color);
}


/* FAQ List Section */
.page-faq__faq-list-section {
    padding: 60px 0;
    background-color: var(--page-faq-deep-green-color);
}

.page-faq__faq-category {
    background-color: var(--page-faq-card-bg); /* Dark card background */
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 40px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--page-faq-border-color);
}

.page-faq__category-title {
    font-size: 1.8em;
    color: var(--page-faq-gold-color);
    margin-bottom: 30px;
    text-align: center;
    border-bottom: 2px solid var(--page-faq-divider-color);
    padding-bottom: 15px;
    text-shadow: 0 0 5px rgba(87, 227, 141, 0.2);
}

.page-faq__faq-item {
    margin-bottom: 15px;
    background-color: rgba(17, 40, 27, 0.6); /* Slightly lighter than card bg */
    border-radius: 8px;
    border: 1px solid var(--page-faq-divider-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
    overflow: hidden; /* For smooth details animation if JS is not used */
}

.page-faq__faq-item[open] {
    background-color: var(--page-faq-deep-green-color);
    border-color: var(--page-faq-primary-color);
}

.page-faq__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-size: 1.2em;
    font-weight: bold;
    color: var(--page-faq-text-main);
    user-select: none;
    transition: color 0.3s ease;
    list-style: none; /* Hide default marker for summary */
}

.page-faq__faq-item summary::-webkit-details-marker {
    display: none; /* Hide default marker for Webkit browsers */
}

.page-faq__faq-question:hover {
    color: var(--page-faq-gold-color);
}

.page-faq__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    color: var(--page-faq-glow-color);
    transition: transform 0.3s ease;
}

.page-faq__faq-item[open] .page-faq__faq-toggle {
    transform: rotate(45deg); /* Rotate for 'x' effect */
}

.page-faq__faq-answer {
    padding: 0 25px 20px 25px;
    font-size: 1.05em;
    color: var(--page-faq-text-secondary);
    border-top: 1px solid var(--page-faq-divider-color);
    margin-top: -1px; /* Overlap border */
}

.page-faq__faq-answer p {
    margin-bottom: 15px;
}

.page-faq__faq-answer p:last-child {
    margin-bottom: 0;
}

/* CTA Section */
.page-faq__cta-section {
    background-color: var(--page-faq-background);
    padding: 80px 20px;
    text-align: center;
}

/* Responsive Styles */
@media (max-width: 1024px) {
    .page-faq__main-title {
        font-size: clamp(2em, 5vw, 3em);
    }

    .page-faq__section-title {
        font-size: clamp(1.6em, 4vw, 2.2em);
    }
}

@media (max-width: 768px) {
    .page-faq {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-faq__hero-section {
        padding: 40px 15px;
        padding-top: 10px !important; /* body đã xử lý --header-offset */
    }

    .page-faq__hero-image {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    .page-faq__main-title {
        font-size: clamp(1.8em, 7vw, 2.5em);
        margin-bottom: 10px;
    }

    .page-faq__intro-text {
        font-size: 1em;
        margin-bottom: 20px;
    }

    .page-faq__cta-buttons {
        flex-direction: column;
        gap: 15px;
        width: 100%;
        max-width: 100%;
        box-sizing: border-box;
        padding: 0 15px; /* Add padding for buttons in mobile */
    }

    .page-faq__btn-primary,
    .page-faq__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-faq__section-title {
        font-size: clamp(1.4em, 6vw, 2em);
        margin-bottom: 30px;
        padding-top: 30px;
    }

    .page-faq__introduction-section,
    .page-faq__faq-list-section,
    .page-faq__cta-section {
        padding: 40px 0;
    }

    .page-faq__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }

    .page-faq__faq-category {
        padding: 20px;
        margin-bottom: 30px;
    }

    .page-faq__category-title {
        font-size: 1.5em;
        margin-bottom: 20px;
    }

    .page-faq__faq-question {
        font-size: 1.1em;
        padding: 18px 20px;
    }

    .page-faq__faq-answer {
        font-size: 1em;
        padding: 0 20px 18px 20px;
    }

    .page-faq__text-block {
        font-size: 1em;
    }

    /* All content images inside .page-faq */
    .page-faq img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }

    /* All containing elements for images, buttons, videos */
    .page-faq__section,
    .page-faq__card,
    .page-faq__container,
    .page-faq__video-section,
    .page-faq__video-container,
    .page-faq__video-wrapper,
    .page-faq__cta-buttons,
    .page-faq__button-group,
    .page-faq__btn-container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }
}

@media (max-width: 480px) {
    .page-faq__main-title {
        font-size: clamp(1.6em, 8vw, 2.2em);
    }

    .page-faq__section-title {
        font-size: clamp(1.2em, 7vw, 1.8em);
    }

    .page-faq__btn-primary--large,
    .page-faq__btn-secondary--large {
        font-size: 1em;
        padding: 15px 25px;
    }
}