/* style/about.css */

/* Biến màu sắc */
:root {
    --page-about-primary-color: #11A84E;
    --page-about-secondary-color: #22C768;
    --page-about-card-bg: #11271B;
    --page-about-background: #08160F;
    --page-about-text-main: #F2FFF6;
    --page-about-text-secondary: #A7D9B8;
    --page-about-border-color: #2E7A4E;
    --page-about-glow-color: #57E38D;
    --page-about-gold-color: #F2C14E;
    --page-about-divider-color: #1E3A2A;
    --page-about-deep-green-color: #0A4B2C;
    --page-about-button-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-about {
    font-family: Arial, sans-serif;
    color: var(--page-about-text-main); /* Mặc định chữ màu sáng trên nền tối */
    background-color: var(--page-about-background);
}

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

.page-about__section {
    padding: 60px 0;
    text-align: center;
}

.page-about__dark-section {
    background-color: var(--page-about-background);
    color: var(--page-about-text-main);
}

.page-about__hero-section {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px 20px;
    padding-top: 10px; /* Nhỏ gọn hơn để body padding-top xử lý khoảng cách với header */
    overflow: hidden;
    background-color: var(--page-about-background);
}

.page-about__hero-image-wrapper {
    width: 100%;
    max-height: 70vh; /* Giới hạn chiều cao để không chiếm quá nhiều không gian */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
}

.page-about__hero-image {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    filter: none; /* Đảm bảo không có filter */
}

.page-about__hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    text-align: center;
}

.page-about__main-title {
    font-size: clamp(2.2rem, 4vw, 3rem);
    color: var(--page-about-gold-color);
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
    text-shadow: 0 0 10px rgba(87, 227, 141, 0.5);
}

.page-about__description,
.page-about__text-block {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 30px;
    color: var(--page-about-text-secondary);
}

.page-about__cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.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;
    box-sizing: border-box;
    max-width: 100%;
    white-space: normal;
    word-wrap: break-word;
}

.page-about__btn-primary {
    background: var(--page-about-button-gradient);
    color: #ffffff; /* Luôn dùng màu trắng cho chữ trên nút này */
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.page-about__btn-secondary {
    background: transparent;
    color: var(--page-about-glow-color);
    border: 2px solid var(--page-about-glow-color);
    box-shadow: 0 0 10px rgba(87, 227, 141, 0.3);
}

.page-about__btn-secondary:hover {
    background: rgba(87, 227, 141, 0.1);
    color: #ffffff;
    box-shadow: 0 0 15px rgba(87, 227, 141, 0.5);
}

.page-about__section-title {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    color: var(--page-about-glow-color);
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 10px;
}

.page-about__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--page-about-gold-color);
    border-radius: 2px;
}

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

.page-about__card {
    background-color: var(--page-about-card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    text-align: center;
    border: 1px solid var(--page-about-border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    color: var(--page-about-text-main); /* Đảm bảo màu chữ sáng trên nền card tối */
}

.page-about__card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
}

.page-about__feature-icon,
.page-about__category-image,
.page-about__security-icon,
.page-about__promo-image {
    width: 100%;
    height: auto;
    max-width: 400px; /* Kích thước tối đa cho hình ảnh trong card */
    display: block;
    margin: 0 auto 20px auto;
    border-radius: 8px;
    object-fit: cover;
    filter: none; /* Đảm bảo không có filter */
}

.page-about__feature-title,
.page-about__category-title,
.page-about__security-title,
.page-about__channel-title,
.page-about__promo-title {
    font-size: 1.5rem;
    color: var(--page-about-gold-color);
    margin-bottom: 15px;
}

.page-about__feature-description,
.page-about__category-description,
.page-about__security-description,
.page-about__channel-description,
.page-about__promo-description {
    font-size: 1rem;
    color: var(--page-about-text-secondary);
    line-height: 1.7;
}

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

.page-about__category-card {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.page-about__category-card .page-about__btn-primary {
    margin-top: 20px;
    width: fit-content;
    align-self: center;
}

.page-about__security-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-about__security-item {
    text-align: center;
    padding: 20px;
    border-radius: 12px;
    background-color: var(--page-about-card-bg);
    border: 1px solid var(--page-about-border-color);
    color: var(--page-about-text-main);
}

.page-about__service-channels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.page-about__channel-item {
    background-color: var(--page-about-deep-green-color);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--page-about-border-color);
    color: var(--page-about-text-main);
}

.page-about__channel-item .page-about__btn-secondary {
    margin-top: 20px;
    width: fit-content;
    align-self: center;
}

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

.page-about__responsibility-list {
    list-style: none;
    padding: 0;
    margin: 40px auto;
    max-width: 800px;
    text-align: left;
    color: var(--page-about-text-secondary);
}

.page-about__responsibility-list li {
    background-color: var(--page-about-card-bg);
    margin-bottom: 15px;
    padding: 15px 20px;
    border-radius: 8px;
    border-left: 5px solid var(--page-about-glow-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    font-size: 1.05rem;
    line-height: 1.6;
}

.page-about__responsibility-list li p {
    margin: 0;
    color: var(--page-about-text-secondary);
}

.page-about__join-us {
    background-color: var(--page-about-deep-green-color);
    padding: 80px 0;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
    .page-about__hero-section {
        padding: 40px 15px;
    }
    .page-about__section {
        padding: 40px 0;
    }
    .page-about__container {
        padding: 0 15px;
    }
    .page-about__feature-grid,
    .page-about__game-categories,
    .page-about__security-features,
    .page-about__service-channels,
    .page-about__promo-grid {
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .page-about {
        font-size: 16px;
        line-height: 1.6;
    }
    .page-about__hero-section {
        padding-top: 10px !important;
    }
    .page-about__main-title {
        font-size: clamp(1.8rem, 8vw, 2.5rem);
    }
    .page-about__description,
    .page-about__text-block {
        font-size: 1rem;
    }
    .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;
        font-size: 1rem;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    /* Ensure all images are responsive and do not overflow */
    .page-about img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    
    /* Ensure all containers with images/content are responsive */
    .page-about__container,
    .page-about__hero-section,
    .page-about__section,
    .page-about__card,
    .page-about__feature-item,
    .page-about__category-card,
    .page-about__security-item,
    .page-about__channel-item,
    .page-about__promo-card {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important; /* Prevent horizontal scroll */
    }

    .page-about__feature-grid,
    .page-about__game-categories,
    .page-about__security-features,
    .page-about__service-channels,
    .page-about__promo-grid {
        grid-template-columns: 1fr;
    }
    .page-about__responsibility-list {
        padding: 0 15px;
    }
}

@media (max-width: 480px) {
    .page-about__section {
        padding: 30px 0;
    }
    .page-about__main-title {
        font-size: clamp(1.5rem, 9vw, 2rem);
    }
    .page-about__section-title {
        font-size: clamp(1.6rem, 7vw, 2rem);
    }
    .page-about__feature-title,
    .page-about__category-title,
    .page-about__security-title,
    .page-about__channel-title,
    .page-about__promo-title {
        font-size: 1.3rem;
    }
}