/* style/about.css */

:root {
    --primary-color: #017439;
    --secondary-color: #FFFFFF;
    --accent-red: #C30808;
    --accent-yellow: #FFFF00;
    --dark-bg-color: #1a1a2e;
    --light-text-color: #ffffff;
    --dark-text-color: #333333;
    --card-bg-dark-mode: rgba(255, 255, 255, 0.1);
    --card-bg-light-mode: #ffffff;
    --border-color: #e0e0e0;
}

.page-about {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--light-text-color); /* Default to light text for dark body background */
    background-color: var(--dark-bg-color); /* Inherited from shared, explicitly setting for clarity */
}

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

.page-about__section-title {
    font-size: 2.5em;
    color: var(--secondary-color);
    text-align: center;
    margin-bottom: 40px;
    font-weight: bold;
}

.page-about__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding-top: 0; /* Assumes shared.css handles body padding-top */
    padding-bottom: 80px;
    overflow: hidden;
    color: var(--light-text-color);
}

.page-about__hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

.page-about__hero-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.page-about__hero-section .page-about__container {
    position: relative;
    z-index: 2;
    padding-top: 80px; /* Add internal padding for hero content */
}

.page-about__hero-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    color: var(--secondary-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.page-about__hero-description {
    font-size: 1.3em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
}

.page-about__cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.page-about__cta-buttons--center {
    margin-top: 40px;
}

.page-about__btn-primary,
.page-about__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    white-space: normal; /* Allow text wrapping */
    word-wrap: break-word; /* Allow text breaking */
    box-sizing: border-box;
}

.page-about__btn-primary {
    background-color: var(--accent-red); /* Đăng ký color */
    color: var(--accent-yellow); /* Đăng ký font color */
    border: 2px solid var(--accent-red);
}

.page-about__btn-primary:hover {
    background-color: darken(var(--accent-red), 10%);
    border-color: darken(var(--accent-red), 10%);
    transform: translateY(-2px);
}

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

.page-about__btn-secondary:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

.page-about__introduction-section,
.page-about__team-section,
.page-about__responsible-gaming-section,
.page-about__contact-cta {
    padding: 80px 0;
}

.page-about__mission-vision-section,
.page-about__why-choose-us,
.page-about__faq-section {
    padding: 80px 0;
    background-color: var(--primary-color);
}

.page-about__light-bg {
    background-color: var(--card-bg-light-mode);
    color: var(--dark-text-color);
}

.page-about__dark-bg {
    background-color: var(--primary-color);
    color: var(--light-text-color);
}

.page-about__introduction-section .page-about__section-title,
.page-about__team-section .page-about__section-title,
.page-about__responsible-gaming-section .page-about__section-title,
.page-about__contact-cta .page-about__section-title {
    color: var(--primary-color);
}

.page-about__text-block {
    margin-bottom: 20px;
    font-size: 1.1em;
    text-align: justify;
}

.page-about__image-content {
    width: 100%;
    height: auto;
    border-radius: 10px;
    margin-top: 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.page-about__grid-3-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-about__grid-2-col {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-about__card {
    background-color: var(--card-bg-light-mode);
    color: var(--dark-text-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.page-about__card:hover {
    transform: translateY(-5px);
}

.page-about__card-title {
    font-size: 1.8em;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.page-about__card-text {
    font-size: 1em;
}

.page-about__team-member {
    background-color: var(--card-bg-light-mode);
    color: var(--dark-text-color);
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.page-about__team-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
    border: 4px solid var(--primary-color);
}

.page-about__member-name {
    font-size: 1.5em;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.page-about__member-bio {
    font-size: 1em;
    color: var(--dark-text-color);
}

.page-about__feature-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.page-about__feature-item {
    background-color: var(--card-bg-dark-mode);
    color: var(--light-text-color);
    padding: 20px;
    border-radius: 8px;
    font-size: 1.1em;
    display: flex;
    align-items: center;
    gap: 15px;
}

.page-about__feature-item strong {
    color: var(--accent-yellow);
}

.page-about__faq-item {
    background-color: var(--card-bg-dark-mode);
    color: var(--light-text-color);
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.page-about__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    background-color: rgba(0, 0, 0, 0.2);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.page-about__faq-question:hover {
    background-color: rgba(0, 0, 0, 0.3);
}

.page-about__faq-question h3 {
    margin: 0;
    font-size: 1.2em;
    color: var(--secondary-color);
}

.page-about__faq-toggle {
    font-size: 1.8em;
    font-weight: bold;
    line-height: 1;
    transition: transform 0.3s ease;
}

.page-about__faq-item.active .page-about__faq-toggle {
    transform: rotate(45deg);
}

.page-about__faq-answer {
    max-height: 0;
    overflow: hidden;
    padding: 0 20px;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.page-about__faq-item.active .page-about__faq-answer {
    max-height: 1000px !important; /* Sufficiently large value */
    padding: 20px;
}

.page-about__faq-answer p {
    margin: 0;
    font-size: 1em;
}

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

    .page-about__container {
        padding: 0 15px !important;
    }

    /* HERO 主图区域 */
    .page-about__hero-section {
        padding-top: var(--header-offset, 120px) !important; /* Fallback if shared doesn't set body padding-top */
        padding-bottom: 50px;
    }

    .page-about__hero-section .page-about__container {
        padding-top: 0 !important;
    }

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

    .page-about__hero-description {
        font-size: 1em;
        margin-bottom: 30px;
    }

    .page-about__cta-buttons {
        flex-direction: column;
        gap: 15px;
    }

    .page-about__btn-primary,
    .page-about__btn-secondary {
        max-width: 100% !important;
        width: 100% !important;
        padding: 12px 20px;
    }

    /* 通用图片与容器 */
    .page-about img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block;
    }
    
    .page-about__section,
    .page-about__card,
    .page-about__container {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        /* padding-left: 15px; */ /* Already handled by page-about__container */
        /* padding-right: 15px; */ /* Already handled by page-about__container */
        overflow-x: hidden;
    }

    /* 其他内容模块 */
    .page-about__introduction-section,
    .page-about__mission-vision-section,
    .page-about__team-section,
    .page-about__why-choose-us,
    .page-about__responsible-gaming-section,
    .page-about__faq-section,
    .page-about__contact-cta {
        padding: 40px 0;
    }

    .page-about__section-title {
        font-size: 1.8em;
        margin-bottom: 30px;
    }

    .page-about__text-block {
        font-size: 0.95em;
    }

    .page-about__grid-3-col,
    .page-about__grid-2-col {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-about__card {
        padding: 25px;
    }

    .page-about__card-title {
        font-size: 1.5em;
    }

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

    .page-about__feature-item {
        font-size: 1em;
        padding: 15px;
    }

    .page-about__faq-question h3 {
        font-size: 1em;
    }

    .page-about__faq-toggle {
        font-size: 1.5em;
    }

    .page-about__faq-answer {
        padding: 0 15px;
    }

    .page-about__faq-item.active .page-about__faq-answer {
        padding: 15px;
    }
}