:root {
    --color-primary: #11A84E;
    --color-secondary: #22C768;
    --color-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
    --color-card-bg: #11271B;
    --color-bg: #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-faq {
    background-color: var(--color-bg);
    color: var(--color-text-main);
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

.page-faq__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 20px;
    padding-top: 10px; /* body đã padding-top: var(--header-offset), chỉ cần 10px trang trí */
    box-sizing: border-box;
}

.page-faq__hero-image-wrapper {
    width: 100%;
    max-width: 100%;
    overflow: hidden;
    box-sizing: border-box;
}

.page-faq__hero-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    object-fit: cover;
    max-height: 600px; /* Limit height for hero image */
}

.page-faq__hero-content {
    max-width: 900px;
    text-align: center;
    margin-top: 40px;
    padding: 0 20px;
}

.page-faq__main-title {
    font-size: clamp(2em, 4vw, 3.5em);
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 20px;
    line-height: 1.2;
}

.page-faq__hero-description {
    font-size: 1.1em;
    color: var(--color-text-secondary);
    margin-bottom: 30px;
}

.page-faq__section {
    padding: 60px 20px;
    box-sizing: border-box;
    border-bottom: 1px solid var(--color-divider);
}

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

.page-faq__container {
    max-width: 1000px;
    margin: 0 auto;
    width: 100%;
    box-sizing: border-box;
}

.page-faq__section-title {
    font-size: 2.5em;
    color: var(--color-primary);
    text-align: center;
    margin-bottom: 20px;
    font-weight: 600;
}

.page-faq__section-description {
    font-size: 1.05em;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-faq__faq-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.page-faq__faq-item {
    background-color: var(--color-card-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.page-faq__faq-item[open] {
    background-color: var(--color-deep-green);
    box-shadow: 0 0 15px var(--color-primary);
}

.page-faq__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    font-size: 1.25em;
    font-weight: 600;
    color: var(--color-text-main);
    cursor: pointer;
    list-style: none;
    position: relative;
    transition: color 0.3s ease;
}

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

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

.page-faq__faq-qtext {
    flex-grow: 1;
    padding-right: 15px;
}

.page-faq__faq-toggle {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--color-glow);
    transition: transform 0.3s ease;
}

.page-faq__faq-item[open] .page-faq__faq-toggle {
    transform: rotate(45deg);
}

.page-faq__faq-answer {
    padding: 0 25px 20px;
    font-size: 1.05em;
    color: var(--color-text-secondary);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease-out;
}

.page-faq__faq-item[open] .page-faq__faq-answer {
    max-height: 2000px; /* Arbitrarily large value for smooth transition */
    padding-top: 10px;
}

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

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

.page-faq__btn-primary,
.page-faq__btn-secondary {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1em;
    transition: all 0.3s ease;
    text-align: center;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-faq__btn-primary {
    background: var(--color-button-gradient);
    color: #ffffff;
    border: 2px solid transparent;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-faq__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-faq__btn-secondary {
    background: transparent;
    color: var(--color-glow);
    border: 2px solid var(--color-glow);
}

.page-faq__btn-secondary:hover {
    background: var(--color-glow);
    color: var(--color-bg);
    transform: translateY(-2px);
}

.page-faq__btn-large {
    padding: 15px 35px;
    font-size: 1.25em;
}

.page-faq__content-image {
    width: 100%;
    height: auto;
    display: block;
    margin: 40px auto;
    border-radius: 8px;
    max-width: 800px;
    object-fit: cover;
}

.page-faq__image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin: 40px 0;
}

.page-faq__grid-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    display: block;
}

.page-faq__cta-banner {
    background-color: var(--color-deep-green);
    padding: 80px 20px;
    text-align: center;
    border-top: 1px solid var(--color-border);
    box-sizing: border-box;
}

.page-faq__cta-title {
    font-size: 2.8em;
    color: var(--color-gold);
    margin-bottom: 20px;
    font-weight: 700;
}

.page-faq__cta-description {
    font-size: 1.1em;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

    .page-faq__hero-section {
        padding: 40px 15px;
        padding-top: 10px !important;
    }

    .page-faq__hero-content {
        margin-top: 30px;
        padding: 0 15px;
    }

    .page-faq__main-title {
        font-size: 2.2em;
    }

    .page-faq__hero-description {
        font-size: 1em;
    }

    .page-faq__section {
        padding: 40px 15px;
    }

    .page-faq__container,
    .page-faq__faq-list,
    .page-faq__image-grid,
    .page-faq__cta-banner {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }

    .page-faq__section-title {
        font-size: 2em;
    }

    .page-faq__section-description {
        font-size: 0.95em;
    }

    .page-faq__faq-question {
        font-size: 1.1em;
        padding: 15px 20px;
    }

    .page-faq__faq-toggle {
        font-size: 1.2em;
    }

    .page-faq__faq-answer {
        font-size: 0.95em;
        padding: 0 20px 15px;
    }

    .page-faq__btn-primary,
    .page-faq__btn-secondary,
    .page-faq a[class*="button"],
    .page-faq a[class*="btn"] {
        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;
        margin-bottom: 15px; /* Add space between stacked buttons */
    }

    .page-faq__cta-banner .page-faq__btn-primary {
        margin-bottom: 0;
    }

    .page-faq__image-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .page-faq__grid-image {
        height: 200px;
    }

    .page-faq__cta-title {
        font-size: 2em;
    }

    .page-faq__cta-description {
        font-size: 1em;
    }

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

    /* Ensure containers with images are also responsive */
    .page-faq__hero-image-wrapper,
    .page-faq__content-image,
    .page-faq__grid-image {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    /* If there are multiple buttons in a group, stack them */
    .page-faq__hero-content > .page-faq__btn-primary, 
    .page-faq__faq-answer > .page-faq__btn-secondary {
        display: block;
        width: 100%;
        max-width: 100%;
        margin-left: auto;
        margin-right: auto;
    }
}