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

/* body đã padding-top: var(--header-offset) từ shared.css, không lặp lại ở đây */
.page-about {
    font-family: 'Arial', sans-serif;
    color: var(--text-main); /* Dựa trên body background #08160F (dark), sử dụng màu chữ sáng */
    background-color: var(--background-color); /* Đảm bảo nền chính của trang */
    line-height: 1.6;
}

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

.page-about__section-title {
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    color: var(--gold-color);
    text-align: center;
    margin-bottom: 20px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.page-about__sub-title {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    color: var(--primary-color);
    text-align: center;
    margin-top: 40px;
    margin-bottom: 20px;
    font-weight: 600;
}

.page-about__section-intro {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 50px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.page-about p {
    color: var(--text-main);
    margin-bottom: 1em;
}

.page-about strong {
    color: var(--gold-color);
}

.page-about a {
    color: var(--secondary-color);
    text-decoration: none;
}

.page-about a:hover {
    text-decoration: underline;
}

/* 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;
    background-color: var(--deep-green);
    overflow: hidden;
}

.page-about__hero-image-wrapper {
    width: 100%;
    max-height: 700px; /* Limit height for hero image */
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
}

.page-about__hero-image {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover; /* Ensure image covers area without distortion */
    min-height: 400px; /* Minimum height for desktop */
}

.page-about__hero-content-area {
    max-width: 900px;
    text-align: center;
    padding: 0 20px;
}

.page-about__main-title {
    font-size: clamp(2.5rem, 5vw, 3.8rem);
    color: var(--gold-color);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -0.03em;
}

.page-about__hero-description {
    font-size: clamp(1.1rem, 2.2vw, 1.3rem);
    color: var(--text-main);
    margin-bottom: 40px;
}

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

.page-about__btn-primary,
.page-about__btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 15px 30px;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    text-decoration: none;
    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(--button-gradient);
    color: #ffffff;
    border: 2px solid transparent;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

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

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

.page-about__btn-secondary:hover {
    background-color: var(--primary-color);
    color: #ffffff;
}

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

/* Mission Vision Section */
.page-about__mission-vision-section {
    padding: 80px 0;
    background-color: var(--background-color);
}

.page-about__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
    margin-bottom: 50px;
}

.page-about__card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.page-about__card-title {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.page-about__content-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    margin-top: 40px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

/* Why Choose Us Section */
.page-about__why-choose-us-section {
    padding: 80px 0;
    background-color: var(--deep-green);
}

.page-about__dark-section p,
.page-about__dark-section li {
    color: var(--text-secondary);
}

.page-about__features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-about__feature-item {
    text-align: center;
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.page-about__feature-icon {
    width: 100px;
    height: 100px;
    margin-bottom: 20px;
    object-fit: contain;
}

.page-about__feature-title {
    font-size: 1.4rem;
    color: var(--gold-color);
    margin-bottom: 15px;
    font-weight: 700;
}

/* Game Offerings Section */
.page-about__game-offerings-section {
    padding: 80px 0;
    background-color: var(--background-color);
}

.page-about__game-categories {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.page-about__game-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about__game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.page-about__game-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.page-about__game-card h3 {
    padding: 15px 20px 10px;
    font-size: 1.3rem;
    font-weight: 700;
}

.page-about__game-card h3 a {
    color: var(--primary-color);
    text-decoration: none;
}

.page-about__game-card h3 a:hover {
    text-decoration: underline;
    color: var(--gold-color);
}

.page-about__game-card p {
    padding: 0 20px 20px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Responsible Gaming Section */
.page-about__responsible-gaming-section {
    padding: 80px 0;
    background-color: var(--deep-green);
}

.page-about__responsible-gaming-content {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    align-items: center;
    margin-top: 50px;
}

.page-about__responsible-gaming-content img {
    flex: 1 1 400px;
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
}

.page-about__responsible-gaming-list {
    flex: 1 1 400px;
    list-style: none;
    padding: 0;
    margin: 0;
}

.page-about__responsible-gaming-list li {
    background-color: var(--card-bg);
    margin-bottom: 15px;
    padding: 20px;
    border-radius: 8px;
    border-left: 5px solid var(--primary-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    color: var(--text-main);
}

.page-about__responsible-gaming-list li:last-child {
    margin-bottom: 0;
}

.page-about__list-strong {
    color: var(--gold-color);
}

.page-about__responsible-gaming-note {
    margin-top: 30px;
    font-style: italic;
    color: var(--text-secondary);
    text-align: center;
}

/* Team Section */
.page-about__team-section {
    padding: 80px 0;
    background-color: var(--background-color);
}

.page-about__team-members {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
    margin-bottom: 50px;
}

.page-about__team-card {
    text-align: center;
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.page-about__team-avatar {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 20px;
    border: 3px solid var(--primary-color);
}

.page-about__team-name {
    font-size: 1.5rem;
    color: var(--gold-color);
    margin-bottom: 5px;
    font-weight: 700;
}

.page-about__team-position {
    font-size: 1rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-weight: 500;
}

.page-about__team-bio {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Contact & FAQ Section */
.page-about__contact-faq-section {
    padding: 80px 0;
    background-color: var(--deep-green);
}

.page-about__contact-info {
    text-align: center;
    margin-bottom: 60px;
    background-color: var(--card-bg);
    padding: 40px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

.page-about__contact-info p {
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.page-about__contact-link {
    color: var(--secondary-color);
}

.page-about__contact-link:hover {
    text-decoration: underline;
}

.page-about__faq-list {
    margin-top: 40px;
}

.page-about__faq-item {
    background-color: var(--card-bg);
    margin-bottom: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.page-about__faq-item summary {
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--primary-color);
    outline: none;
}

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

.page-about__faq-item[open] summary {
    color: var(--gold-color);
}

.page-about__faq-qtext {
    flex-grow: 1;
    text-align: left;
}

.page-about__faq-toggle {
    font-size: 1.5rem;
    font-weight: bold;
    width: 30px;
    text-align: center;
    color: var(--secondary-color);
}

.page-about__faq-item[open] .page-about__faq-toggle {
    color: var(--gold-color);
}

.page-about__faq-answer {
    padding: 0 20px 20px;
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Conclusion Section */
.page-about__conclusion-section {
    padding: 80px 0;
    background-color: var(--background-color);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-about__hero-image-wrapper {
        max-height: 500px;
    }
}

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

    .page-about__container {
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-about__hero-section {
        padding-bottom: 40px;
    }

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

    .page-about__hero-description {
        font-size: 1rem;
    }

    .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: 1rem;
        white-space: normal !important;
        word-wrap: break-word !important;
    }

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

    .page-about__sub-title {
        font-size: 1.8rem;
    }

    .page-about__section-intro {
        font-size: 0.95rem;
        margin-bottom: 30px;
    }

    .page-about__grid,
    .page-about__features-grid,
    .page-about__game-categories,
    .page-about__team-members {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .page-about__content-image,
    .page-about__feature-icon,
    .page-about__game-image,
    .page-about__team-avatar {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
        box-sizing: border-box !important;
    }

    .page-about__card,
    .page-about__feature-item,
    .page-about__game-card,
    .page-about__team-card,
    .page-about__contact-info,
    .page-about__faq-item,
    .page-about__mission-vision-section,
    .page-about__why-choose-us-section,
    .page-about__game-offerings-section,
    .page-about__responsible-gaming-section,
    .page-about__team-section,
    .page-about__contact-faq-section,
    .page-about__conclusion-section {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
    }

    .page-about__responsible-gaming-content {
        flex-direction: column;
    }

    .page-about__responsible-gaming-content img {
        flex: none;
        width: 100%;
    }
    
    .page-about__hero-image {
        min-height: 250px;
    }
}

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

    .page-about__section-title {
        font-size: 1.6rem;
    }

    .page-about__sub-title {
        font-size: 1.5rem;
    }

    .page-about__btn-primary,
    .page-about__btn-secondary {
        font-size: 0.9rem;
        padding: 10px 15px;
    }
}