/* General styling for the FAQ page */
.page-cau-hoi-thuong-gap {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333333; /* Text Main */
    background-color: #F5F7FA; /* Background */
}

.page-cau-hoi-thuong-gap__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 15px;
}

.page-cau-hoi-thuong-gap__section-title {
    font-size: 2.5em;
    font-weight: bold;
    color: #E53935; /* Main color for titles */
    text-align: center;
    margin-bottom: 40px;
    line-height: 1.2;
}

.page-cau-hoi-thuong-gap__text-block {
    margin-bottom: 20px;
    font-size: 1.1em;
}

/* Hero Section */
.page-cau-hoi-thuong-gap__hero-section {
    position: relative;
    padding-top: 10px; /* Small top padding as per instruction */
    padding-bottom: 40px;
    overflow: hidden;
    background-color: #E53935; /* Main brand color for dark section */
    color: #ffffff; /* White text for dark background */
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.page-cau-hoi-thuong-gap__hero-image-wrapper {
    width: 100%;
    max-height: 500px; /* Limit height of hero image */
    overflow: hidden;
    margin-bottom: 20px;
}

.page-cau-hoi-thuong-gap__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    object-position: center;
}

.page-cau-hoi-thuong-gap__hero-content {
    max-width: 900px;
    padding: 0 15px;
    z-index: 1;
}

.page-cau-hoi-thuong-gap__hero-title {
    font-size: clamp(2em, 4vw, 3.5em); /* H1 font size with clamp */
    font-weight: 700;
    margin-bottom: 15px;
    color: #ffffff;
}

.page-cau-hoi-thuong-gap__hero-description {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: #f0f0f0;
}

.page-cau-hoi-thuong-gap__hero-cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.page-cau-hoi-thuong-gap__btn-primary,
.page-cau-hoi-thuong-gap__btn-secondary,
.page-cau-hoi-thuong-gap a[class*="btn"] {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    text-align: center;
    cursor: pointer;
    max-width: 100%;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
}

.page-cau-hoi-thuong-gap__btn-primary {
    background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%);
    color: #ffffff;
    border: none;
}

.page-cau-hoi-thuong-gap__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.page-cau-hoi-thuong-gap__btn-secondary {
    background: #ffffff;
    color: #E53935;
    border: 2px solid #E53935;
}

.page-cau-hoi-thuong-gap__btn-secondary:hover {
    background: #f0f0f0;
    color: #E53935;
    transform: translateY(-2px);
}

/* Introduction Section */
.page-cau-hoi-thuong-gap__introduction-section {
    padding: 60px 0;
    background-color: #ffffff;
    color: #333333;
}

/* FAQ Section */
.page-cau-hoi-thuong-gap__faq-section {
    padding: 60px 0;
    background-color: #F5F7FA;
    color: #333333;
}

.page-cau-hoi-thuong-gap__faq-category {
    margin-bottom: 40px;
}

.page-cau-hoi-thuong-gap__category-title {
    font-size: 2em;
    color: #E53935;
    margin-bottom: 30px;
    text-align: center;
}

.page-cau-hoi-thuong-gap__faq-item {
    background-color: #ffffff;
    border: 1px solid #E0E0E0;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
}

.page-cau-hoi-thuong-gap__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.2em;
    font-weight: bold;
    color: #333333;
    cursor: pointer;
    background-color: #fcfcfc;
    border-bottom: 1px solid #E0E0E0;
    list-style: none;
    user-select: none;
}
.page-cau-hoi-thuong-gap__faq-item[open] .page-cau-hoi-thuong-gap__faq-question {
    border-bottom: 1px solid transparent;
}

.page-cau-hoi-thuong-gap__faq-item summary::-webkit-details-marker {
    display: none;
}
.page-cau-hoi-thuong-gap__faq-item summary::marker {
    display: none;
}

.page-cau-hoi-thuong-gap__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    transition: transform 0.3s ease;
    color: #E53935;
}

.page-cau-hoi-thuong-gap__faq-item[open] .page-cau-hoi-thuong-gap__faq-toggle {
    transform: rotate(45deg);
}

.page-cau-hoi-thuong-gap__faq-answer {
    padding: 20px 25px;
    font-size: 1.1em;
    color: #333333;
    animation: fadein 0.3s ease-out;
}

.page-cau-hoi-thuong-gap__faq-answer p {
    margin-bottom: 15px;
}
.page-cau-hoi-thuong-gap__faq-answer p:last-child {
    margin-bottom: 0;
}

.page-cau-hoi-thuong-gap__image-inline {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 20px auto;
    border-radius: 8px;
}

/* CTA Section */
.page-cau-hoi-thuong-gap__cta-section {
    padding: 60px 0;
    background-color: #E53935;
    color: #ffffff;
    text-align: center;
}

.page-cau-hoi-thuong-gap__cta-section .page-cau-hoi-thuong-gap__section-title {
    color: #ffffff;
}

.page-cau-hoi-thuong-gap__cta-section .page-cau-hoi-thuong-gap__text-block {
    max-width: 800px;
    margin: 0 auto 30px auto;
    color: #f0f0f0;
}

.page-cau-hoi-thuong-gap__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* Links */
.page-cau-hoi-thuong-gap a {
    color: #E53935;
    text-decoration: underline;
}

.page-cau-hoi-thuong-gap a:hover {
    color: #FF5A4F;
    text-decoration: none;
}

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

    .page-cau-hoi-thuong-gap__section-title {
        font-size: 2em;
    }

    .page-cau-hoi-thuong-gap__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
    }

    .page-cau-hoi-thuong-gap__faq-answer {
        padding: 15px 20px;
        font-size: 1em;
    }
}