/* style/index-gioi-thieu-ku3933.css */
:root {
    --primary-color: #FF8C1A;
    --secondary-color: #FFA53A;
    --card-bg: #17191F;
    --page-bg: #0D0E12;
    --text-main: #FFF3E6;
    --border-color: #A84F0C;
    --glow-color: #FFB04D;
    --deep-orange: #D96800;
}

.page-index-gioi-thieu-ku3933 {
    font-family: Arial, sans-serif;
    color: var(--text-main); /* Default text color for the page content */
    background-color: var(--page-bg);
}

.page-index-gioi-thieu-ku3933__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-index-gioi-thieu-ku3933__hero-section {
    padding-top: 10px; /* Small top padding, relying on body for header offset */
    padding-bottom: 60px;
    background-color: var(--page-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.page-index-gioi-thieu-ku3933__hero-section .page-index-gioi-thieu-ku3933__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.page-index-gioi-thieu-ku3933__hero-content {
    max-width: 800px;
    text-align: center;
}

.page-index-gioi-thieu-ku3933__main-title {
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    color: var(--secondary-color);
    margin-bottom: 20px;
    line-height: 1.2;
    font-weight: 700;
}

.page-index-gioi-thieu-ku3933__description {
    font-size: 1.15rem;
    line-height: 1.6;
    color: var(--text-main);
    margin-bottom: 30px;
}

.page-index-gioi-thieu-ku3933__cta-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
}

.page-index-gioi-thieu-ku3933__btn {
    display: inline-block;
    padding: 14px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    white-space: normal;
    word-wrap: break-word;
    max-width: 100%;
    box-sizing: border-box;
}

.page-index-gioi-thieu-ku3933__btn-primary {
    background: linear-gradient(180deg, var(--secondary-color) 0%, var(--deep-orange) 100%);
    color: var(--text-main);
    border: none;
    box-shadow: 0 4px 15px rgba(255, 132, 0, 0.4);
}

.page-index-gioi-thieu-ku3933__btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 132, 0, 0.6);
}

.page-index-gioi-thieu-ku3933__btn-secondary {
    background-color: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    box-shadow: 0 2px 10px rgba(255, 165, 58, 0.2);
}

.page-index-gioi-thieu-ku3933__btn-secondary:hover {
    background-color: var(--secondary-color);
    color: var(--page-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(255, 165, 58, 0.4);
}

.page-index-gioi-thieu-ku3933__hero-image-wrapper {
    width: 100%;
    max-width: 1000px;
    margin-top: 30px;
}

.page-index-gioi-thieu-ku3933__hero-main-image {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
    display: block;
}

.page-index-gioi-thieu-ku3933__section {
    padding: 60px 0;
    background-color: var(--page-bg);
}

.page-index-gioi-thieu-ku3933__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 40px;
    font-weight: 700;
    line-height: 1.3;
}

.page-index-gioi-thieu-ku3933__section-title--light {
    color: var(--text-main);
}

.page-index-gioi-thieu-ku3933__content-block {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--text-main);
    max-width: 900px;
    margin: 0 auto;
}

.page-index-gioi-thieu-ku3933__content-block p {
    margin-bottom: 20px;
}

.page-index-gioi-thieu-ku3933__content-block a {
    color: var(--secondary-color);
    text-decoration: underline;
}

.page-index-gioi-thieu-ku3933__content-block a:hover {
    color: var(--primary-color);
}

.page-index-gioi-thieu-ku3933__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-index-gioi-thieu-ku3933__feature-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-index-gioi-thieu-ku3933__feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(255, 132, 0, 0.2);
}

.page-index-gioi-thieu-ku3933__card-title {
    font-size: 1.6rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-index-gioi-thieu-ku3933__feature-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-main);
}

.page-index-gioi-thieu-ku3933__gaming-portfolio {
    background-color: var(--page-bg);
}

.page-index-gioi-thieu-ku3933__game-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-index-gioi-thieu-ku3933__category-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
}

.page-index-gioi-thieu-ku3933__category-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(255, 132, 0, 0.2);
}

.page-index-gioi-thieu-ku3933__category-image {
    width: 100%;
    height: 200px; /* Fixed height for consistency */
    object-fit: cover;
    display: block;
}

.page-index-gioi-thieu-ku3933__category-card .page-index-gioi-thieu-ku3933__card-title {
    margin-top: 20px;
    margin-bottom: 10px;
    padding: 0 20px;
    text-align: left;
}

.page-index-gioi-thieu-ku3933__category-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text-main);
    padding: 0 20px;
    margin-bottom: 20px;
    flex-grow: 1;
    text-align: left;
}

.page-index-gioi-thieu-ku3933__btn-link {
    background: none;
    border: none;
    color: var(--secondary-color);
    text-decoration: underline;
    padding: 10px 20px 20px;
    display: block;
    text-align: left;
    font-weight: 600;
    font-size: 1rem;
}

.page-index-gioi-thieu-ku3933__btn-link:hover {
    color: var(--primary-color);
    text-decoration: none;
}

.page-index-gioi-thieu-ku3933__security-commitment,
.page-index-gioi-thieu-ku3933__customer-support,
.page-index-gioi-thieu-ku3933__promotions {
    padding: 60px 0;
    background-color: var(--page-bg);
}

.page-index-gioi-thieu-ku3933__image-figure {
    margin: 30px auto;
    max-width: 680px;
    text-align: center;
}

.page-index-gioi-thieu-ku3933__article-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: block;
}

.page-index-gioi-thieu-ku3933__image-caption {
    font-size: 0.9rem;
    color: var(--text-main);
    margin-top: 10px;
    line-height: 1.5;
}

.page-index-gioi-thieu-ku3933__support-list {
    list-style: none;
    padding: 0;
    margin-top: 20px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-index-gioi-thieu-ku3933__support-list li {
    background-color: var(--card-bg);
    padding: 15px 20px;
    margin-bottom: 10px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-main);
}

.page-index-gioi-thieu-ku3933__list-strong {
    color: var(--secondary-color);
}

.page-index-gioi-thieu-ku3933__call-to-action {
    background: linear-gradient(180deg, var(--deep-orange) 0%, var(--primary-color) 100%);
    padding: 80px 0;
    text-align: center;
}

.page-index-gioi-thieu-ku3933__cta-content {
    max-width: 900px;
}

.page-index-gioi-thieu-ku3933__text-block--light {
    color: var(--text-main);
    font-size: 1.1rem;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .page-index-gioi-thieu-ku3933 {
        font-size: 16px;
        line-height: 1.6;
    }

    .page-index-gioi-thieu-ku3933__container {
        padding: 0 15px;
    }

    /* 1. Top section title + CTA */
    .page-index-gioi-thieu-ku3933__hero-section {
        padding-top: 10px !important; /* Specific mobile top padding */
        padding-bottom: 40px;
    }

    .page-index-gioi-thieu-ku3933__main-title {
        font-size: 2rem;
        margin-bottom: 15px;
    }

    .page-index-gioi-thieu-ku3933__description {
        font-size: 1rem;
        margin-bottom: 25px;
    }

    .page-index-gioi-thieu-ku3933__cta-buttons {
        flex-direction: column;
        gap: 10px;
    }

    .page-index-gioi-thieu-ku3933__btn {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px;
        font-size: 1rem;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    /* 2. Single column long-form content */
    .page-index-gioi-thieu-ku3933__section {
        padding: 40px 0;
    }

    .page-index-gioi-thieu-ku3933__section-title {
        font-size: 1.8rem;
        margin-bottom: 30px;
    }

    .page-index-gioi-thieu-ku3933__content-block {
        font-size: 1rem;
        padding-left: 0;
        padding-right: 0;
    }

    .page-index-gioi-thieu-ku3933__features-grid,
    .page-index-gioi-thieu-ku3933__game-categories {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-index-gioi-thieu-ku3933__feature-card,
    .page-index-gioi-thieu-ku3933__category-card {
        padding: 20px;
    }

    .page-index-gioi-thieu-ku3933__card-title {
        font-size: 1.4rem;
    }

    .page-index-gioi-thieu-ku3933__category-image {
        height: 180px;
    }

    /* 3. Generic images and figure */
    .page-index-gioi-thieu-ku3933 img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block;
    }

    .page-index-gioi-thieu-ku3933__image-figure {
        margin: 20px auto;
    }

    .page-index-gioi-thieu-ku3933__article-image {
        border-radius: 6px;
    }

    .page-index-gioi-thieu-ku3933__image-caption {
        font-size: 0.85rem;
    }

    /* 4. Buttons and button containers (already covered by .page-index-gioi-thieu-ku3933__btn and __cta-buttons above) */
    .page-index-gioi-thieu-ku3933__cta-buttons {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 0;
        padding-right: 0;
    }

    /* 5. Registration tutorial and FAQ blocks (using general content block styles) */
    .page-index-gioi-thieu-ku3933__support-list li {
        padding: 12px 15px;
        font-size: 0.95rem;
    }

    .page-index-gioi-thieu-ku3933__call-to-action {
        padding: 50px 0;
    }

    .page-index-gioi-thieu-ku3933__text-block--light {
        font-size: 1rem;
    }
}