/* style/about.css */
/* body đã padding-top: var(--header-offset) từ shared.css; trang này không cần thêm */

:root {
    --page-about-bg-color: #08160F;
    --page-about-card-bg: #11271B;
    --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: #0A4B2C;
    --page-about-btn-gradient: linear-gradient(180deg, #2AD16F 0%, #13994A 100%);
}

.page-about {
    background-color: var(--page-about-bg-color);
    color: var(--page-about-text-main);
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

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

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

.page-about__section-title {
    font-size: clamp(2em, 5vw, 2.8em);
    color: var(--page-about-gold-color);
    margin-bottom: 30px;
    font-weight: bold;
    line-height: 1.2;
}

.page-about__sub-title {
    font-size: 1.8em;
    color: var(--page-about-text-main);
    margin-top: 20px;
    margin-bottom: 15px;
}

.page-about__text-block {
    font-size: 1.1em;
    color: var(--page-about-text-secondary);
    max-width: 800px;
    margin: 0 auto 30px auto;
}

/* Hero Section */
.page-about__hero-section {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 10px; /* Small top padding, body handles header offset */
    padding-bottom: 60px;
    overflow: hidden;
}

.page-about__hero-image-wrapper {
    width: 100%;
    max-height: 675px;
    overflow: hidden;
    margin-bottom: 30px;
}

.page-about__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    object-position: center;
    min-height: 200px;
}

.page-about__hero-content {
    background: var(--page-about-card-bg);
    padding: 40px 20px;
    border-radius: 8px;
    max-width: 90%;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    z-index: 1;
    text-align: center;
}

.page-about__main-title {
    font-size: clamp(2.5em, 6vw, 3.5em);
    color: var(--page-about-gold-color);
    margin-bottom: 20px;
    font-weight: bold;
    line-height: 1.2;
}

.page-about__subtitle {
    font-size: 1.2em;
    color: var(--page-about-text-secondary);
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

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

.page-about__btn-primary,
.page-about__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    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-btn-gradient);
    color: #ffffff;
    border: none;
}

.page-about__btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(42, 209, 111, 0.4);
}

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

.page-about__btn-secondary:hover {
    background: var(--page-about-gold-color);
    color: var(--page-about-bg-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(242, 193, 78, 0.4);
}

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

.page-about__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.page-about__feature-card {
    background: var(--page-about-card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    text-align: left;
    border: 1px solid var(--page-about-border-color);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.page-about__feature-title {
    font-size: 1.4em;
    color: var(--page-about-gold-color);
    margin-bottom: 15px;
}

.page-about__feature-card p {
    color: var(--page-about-text-secondary);
}

.page-about__image {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 40px auto 0 auto;
    border-radius: 8px;
    min-width: 200px;
    min-height: 200px;
}

.page-about__customer-support-image,
.page-about__game-variety-image,
.page-about__responsible-gambling-image {
    max-width: 900px;
}

.page-about__game-list {
    list-style: none;
    padding: 0;
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.page-about__game-item {
    background: var(--page-about-card-bg);
    padding: 25px;
    border-radius: 10px;
    text-align: left;
    border: 1px solid var(--page-about-border-color);
}

.page-about__game-title {
    font-size: 1.3em;
    color: var(--page-about-gold-color);
    margin-bottom: 10px;
}

.page-about__game-item p {
    color: var(--page-about-text-secondary);
}

.page-about__responsible-list {
    list-style: none;
    padding: 0;
    margin-top: 30px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.page-about__responsible-item {
    background: var(--page-about-card-bg);
    padding: 25px;
    border-radius: 10px;
    text-align: left;
    border: 1px solid var(--page-about-border-color);
}

.page-about__responsible-item p {
    color: var(--page-about-text-secondary);
}

.page-about__values-list {
    list-style: none;
    padding: 0;
    margin-top: 30px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.page-about__value-item {
    background: var(--page-about-deep-green);
    color: var(--page-about-text-main);
    padding: 10px 20px;
    border-radius: 25px;
    font-weight: bold;
    border: 1px solid var(--page-about-border-color);
}

/* FAQ Section */
.page-about__faq-list {
    margin-top: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-align: left;
}

.page-about__faq-item {
    background: var(--page-about-card-bg);
    border: 1px solid var(--page-about-border-color);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.page-about__faq-item[open] {
    box-shadow: 0 0 20px rgba(87, 227, 141, 0.3);
}

.page-about__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    font-size: 1.2em;
    font-weight: bold;
    color: var(--page-about-text-main);
    cursor: pointer;
    list-style: none;
}

.page-about__faq-question::-webkit-details-marker {
    display: none;
}

.page-about__faq-question:hover {
    background-color: var(--page-about-deep-green);
}

.page-about__faq-qtext {
    flex-grow: 1;
    color: var(--page-about-text-main);
}

.page-about__faq-toggle {
    font-size: 1.5em;
    color: var(--page-about-gold-color);
    margin-left: 15px;
    width: 20px;
    text-align: center;
}

.page-about__faq-answer {
    padding: 0 20px 20px 20px;
    color: var(--page-about-text-secondary);
    font-size: 1.1em;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-about__hero-content {
        max-width: 95%;
    }
}

@media (max-width: 768px) {
    .page-about__section {
        padding: 40px 0;
    }

    .page-about__section-title {
        font-size: 2em;
    }

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

    .page-about__subtitle {
        font-size: 1em;
    }

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

    .page-about__btn-primary,
    .page-about__btn-secondary {
        width: 100% !important;
        max-width: 100% !important;
        padding: 12px 20px;
        font-size: 1em;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

    .page-about__container,
    .page-about__hero-section,
    .page-about__mission-vision,
    .page-about__why-choose,
    .page-about__game-offerings,
    .page-about__responsible-gambling,
    .page-about__team-values,
    .page-about__join-us,
    .page-about__faq-section,
    .page-about__contact-us {
        padding-left: 15px !important;
        padding-right: 15px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .page-about img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
        min-width: 200px !important;
        min-height: 200px !important;
    }

    .page-about__hero-section {
        padding-top: 10px !important; /* body already handles header offset */
    }

    .page-about__hero-content {
        padding: 30px 15px;
    }

    .page-about__grid,
    .page-about__features-grid,
    .page-about__game-list,
    .page-about__responsible-list {
        grid-template-columns: 1fr;
    }

    .page-about__faq-question {
        font-size: 1em;
        padding: 15px;
    }

    .page-about__faq-answer {
        font-size: 0.95em;
        padding: 0 15px 15px 15px;
    }
}

@media (max-width: 480px) {
    .page-about__section-title {
        font-size: 1.8em;
    }

    .page-about__main-title {
        font-size: 1.8em;
    }

    .page-about__subtitle {
        font-size: 0.9em;
    }

    .page-about__feature-title,
    .page-about__game-title,
    .page-about__sub-title {
        font-size: 1.2em;
    }

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