/* style/kiem-chung-uy-tin.css */
.page-kiem-chung-uy-tin {
    font-family: 'Arial', sans-serif;
    color: #333333; /* Text Main */
    background-color: #F5F7FA; /* Background */
    line-height: 1.6;
}

.page-kiem-chung-uy-tin__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

.page-kiem-chung-uy-tin__top-section {
    background-color: #ffffff;
    padding-top: 10px; /* Small top padding as per rule */
    padding-bottom: 40px;
    text-align: center;
    border-bottom: 1px solid #E0E0E0; /* Border */
}

.page-kiem-chung-uy-tin__main-title {
    font-size: clamp(2.2em, 3.5vw, 3em);
    color: #E53935; /* Main color */
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.2;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-kiem-chung-uy-tin__intro-text {
    font-size: 1.1em;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    color: #333333;
}

.page-kiem-chung-uy-tin__cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-kiem-chung-uy-tin__btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.05em;
    transition: all 0.3s ease;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-kiem-chung-uy-tin__btn--primary {
    background: linear-gradient(180deg, #FF5A4F 0%, #E53935 100%); /* Button color */
    color: #ffffff;
    border: none;
    box-shadow: 0 4px 15px rgba(229, 57, 53, 0.3);
}

.page-kiem-chung-uy-tin__btn--primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.page-kiem-chung-uy-tin__btn--secondary {
    background-color: #ffffff;
    color: #E53935; /* Main color */
    border: 2px solid #E53935; /* Main color */
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.page-kiem-chung-uy-tin__btn--secondary:hover {
    background-color: #E53935; /* Main color */
    color: #ffffff;
    transform: translateY(-2px);
}

.page-kiem-chung-uy-tin__btn--full-width {
    width: 100%;
    max-width: 400px;
    margin-top: 20px;
}

.page-kiem-chung-uy-tin__content-section {
    padding: 40px 0;
}

.page-kiem-chung-uy-tin__article-wrap {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    background-color: #ffffff; /* Card BG */
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    padding: 40px;
    box-sizing: border-box;
}

.page-kiem-chung-uy-tin__article h2,
.page-kiem-chung-uy-tin__article h3 {
    color: #E53935; /* Main color */
    margin-top: 30px;
    margin-bottom: 15px;
    font-weight: 600;
}

.page-kiem-chung-uy-tin__section-title {
    font-size: 2em;
    border-bottom: 2px solid #E0E0E0; /* Border */
    padding-bottom: 10px;
}

.page-kiem-chung-uy-tin__sub-section-title {
    font-size: 1.5em;
}

.page-kiem-chung-uy-tin__article p {
    margin-bottom: 15px;
    line-height: 1.7;
    color: #333333;
}

.page-kiem-chung-uy-tin__list {
    list-style: none;
    padding-left: 0;
    margin-bottom: 20px;
}

.page-kiem-chung-uy-tin__list li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
    color: #333333;
}

.page-kiem-chung-uy-tin__list li::before {
    content: '✅';
    position: absolute;
    left: 0;
    color: #E53935; /* Main color */
}

.page-kiem-chung-uy-tin__figure {
    margin: 30px 0;
    text-align: center;
    background-color: #F5F7FA; /* Background */
    padding: 15px;
    border-radius: 8px;
}

.page-kiem-chung-uy-tin__figure img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    display: block;
    margin: 0 auto;
    min-width: 200px;
    min-height: 200px;
}

.page-kiem-chung-uy-tin__figcaption {
    font-size: 0.9em;
    color: #666666;
    margin-top: 10px;
}

.page-kiem-chung-uy-tin__registration-steps {
    list-style: decimal;
    padding-left: 20px;
    margin-bottom: 20px;
}

.page-kiem-chung-uy-tin__registration-steps li {
    margin-bottom: 10px;
    font-size: 1.1em;
    color: #333333;
}

.page-kiem-chung-uy-tin__registration-steps li strong {
    color: #E53935; /* Main color */
}

.page-kiem-chung-uy-tin__promo-box {
    background-color: #FFFFFF; /* Card BG */
    border: 1px solid #E0E0E0; /* Border */
    border-radius: 12px;
    padding: 25px;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}

.page-kiem-chung-uy-tin__promo-title {
    color: #E53935; /* Main color */
    font-size: 1.3em;
    margin-top: 0;
    margin-bottom: 10px;
}

.page-kiem-chung-uy-tin__cta-buttons--bottom {
    margin-top: 50px;
    margin-bottom: 20px;
}

.page-kiem-chung-uy-tin__faq-list {
    margin-top: 30px;
}

.page-kiem-chung-uy-tin__faq-item {
    background-color: #FFFFFF; /* Card BG */
    border: 1px solid #E0E0E0; /* Border */
    border-radius: 8px;
    margin-bottom: 10px;
    overflow: hidden;
}

.page-kiem-chung-uy-tin__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    font-weight: 600;
    font-size: 1.1em;
    color: #333333;
    cursor: pointer;
    background-color: #F5F7FA; /* Background */
    user-select: none;
    list-style: none; /* For details/summary */
}

.page-kiem-chung-uy-tin__faq-question::-webkit-details-marker {
    display: none;
}

.page-kiem-chung-uy-tin__faq-qtext {
    flex-grow: 1;
    color: #333333;
}

.page-kiem-chung-uy-tin__faq-toggle {
    font-size: 1.5em;
    margin-left: 15px;
    color: #E53935; /* Main color */
    transition: transform 0.3s ease;
}

.page-kiem-chung-uy-tin__faq-item[open] .page-kiem-chung-uy-tin__faq-toggle {
    transform: rotate(45deg);
}

.page-kiem-chung-uy-tin__faq-answer {
    padding: 0 20px 15px 20px;
    font-size: 0.95em;
    line-height: 1.6;
    color: #333333;
    background-color: #ffffff;
}

/* --- Responsive Styles --- */

@media (max-width: 1024px) {
    .page-kiem-chung-uy-tin__main-title {
        font-size: clamp(2em, 4vw, 2.8em);
    }
    .page-kiem-chung-uy-tin__article-wrap {
        padding: 30px;
    }
    .page-kiem-chung-uy-tin__section-title {
        font-size: 1.8em;
    }
    .page-kiem-chung-uy-tin__sub-section-title {
        font-size: 1.3em;
    }
}

@media (max-width: 768px) {
    /* 1. Top section (title + CTA) */
    .page-kiem-chung-uy-tin__top-section {
        padding-top: 10px !important; /* Enforce small top padding */
        padding-bottom: 30px;
    }
    .page-kiem-chung-uy-tin__main-title {
        font-size: clamp(1.8em, 6vw, 2.5em) !important;
        padding: 0 15px;
        box-sizing: border-box;
    }
    .page-kiem-chung-uy-tin__intro-text {
        font-size: 1em;
        padding: 0 15px;
        box-sizing: border-box;
    }
    .page-kiem-chung-uy-tin__cta-buttons {
        flex-direction: column !important;
        padding: 0 15px;
        box-sizing: border-box;
        gap: 10px;
    }
    .page-kiem-chung-uy-tin__btn {
        width: 100% !important;
        max-width: 100% !important;
        font-size: 1em !important;
        padding: 12px 20px !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        box-sizing: border-box !important;
    }
    .page-kiem-chung-uy-tin__btn--full-width {
        max-width: 100% !important;
    }

    /* 2. Single-column long text containers */
    .page-kiem-chung-uy-tin__article-wrap {
        padding: 20px !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    .page-kiem-chung-uy-tin__content-section {
        padding: 20px 0 !important;
    }
    .page-kiem-chung-uy-tin__section-title {
        font-size: 1.5em !important;
        padding-bottom: 8px !important;
    }
    .page-kiem-chung-uy-tin__sub-section-title {
        font-size: 1.2em !important;
    }
    .page-kiem-chung-uy-tin__article p,
    .page-kiem-chung-uy-tin__list li,
    .page-kiem-chung-uy-tin__registration-steps li {
        font-size: 0.95em !important;
    }

    /* 3. General images and figures */
    .page-kiem-chung-uy-tin img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        min-width: 200px !important;
        min- /* Adjust min-height for mobile if needed */
        box-sizing: border-box !important;
    }
    .page-kiem-chung-uy-tin__figure {
        margin: 20px 0 !important;
        padding: 10px !important;
        border-radius: 6px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }
    .page-kiem-chung-uy-tin__figcaption {
        font-size: 0.85em !important;
    }

    /* 4. Buttons and button containers (already covered in top-section CTA, ensuring consistency) */
    .page-kiem-chung-uy-tin__cta-buttons--bottom {
        flex-direction: column !important;
        padding: 0 15px;
        box-sizing: border-box;
        gap: 10px;
    }

    /* 5. Registration tutorial and FAQ blocks */
    .page-kiem-chung-uy-tin__registration-steps {
        padding-left: 15px !important;
    }
    .page-kiem-chung-uy-tin__promo-box {
        padding: 20px !important;
        margin-left: 15px;
        margin-right: 15px;
        width: auto;
        max-width: calc(100% - 30px);
        box-sizing: border-box;
    }
    .page-kiem-chung-uy-tin__faq-item {
        margin-left: 15px;
        margin-right: 15px;
        max-width: calc(100% - 30px);
        box-sizing: border-box;
    }
    .page-kiem-chung-uy-tin__faq-question {
        padding: 12px 15px !important;
        font-size: 1em !important;
    }
    .page-kiem-chung-uy-tin__faq-answer {
        padding: 0 15px 12px 15px !important;
        font-size: 0.9em !important;
    }
}