/* style/about.css */
.page-about {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #ffffff; /* Default text color for dark body background */
    background-color: transparent; /* Body background handled by shared.css (#000) */
}

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

.page-about__dark-section {
    background-color: #0A192F;
    color: #ffffff;
    padding: 60px 0;
}

.page-about__light-section {
    background-color: #f0f0f0;
    color: #333333;
    padding: 60px 0;
}

.page-about__hero-section {
    position: relative;
    padding-top: var(--header-offset, 120px); /* Ensures content is not hidden by fixed header */
    text-align: center;
    background-image: url('[GALLERY:hero_bg:1920x1080:tai b52,nen,nen cong nghe,giai tri truc tuyen,hien dai]');
    background-size: cover;
    background-position: center;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.page-about__hero-section .page-about__container {
    position: relative;
    z-index: 1;
    padding: 40px 20px;
    background-color: rgba(0, 0, 0, 0.5); /* Semi-transparent overlay for text readability */
    border-radius: 10px;
}

.page-about__main-title {
    font-size: 3.2em;
    color: #FFD700;
    margin-bottom: 20px;
    font-weight: bold;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.page-about__subtitle {
    font-size: 1.2em;
    color: #f0f0f0;
    margin-bottom: 30px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-about__btn-primary {
    display: inline-block;
    background-color: #FFD700;
    color: #0A192F;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: none;
    cursor: pointer;
}

.page-about__btn-primary:hover {
    background-color: #e0b800;
    transform: translateY(-2px);
}

.page-about__btn-secondary {
    display: inline-block;
    background-color: transparent;
    color: #FFD700;
    padding: 10px 20px;
    border: 2px solid #FFD700;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease;
    cursor: pointer;
}

.page-about__btn-secondary:hover {
    background-color: #FFD700;
    color: #0A192F;
}

.page-about__section-title {
    font-size: 2.5em;
    margin-bottom: 20px;
    text-align: center;
    color: inherit;
}

.page-about__section-description {
    font-size: 1.1em;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 40px auto;
    color: inherit;
}

.page-about__sub-title {
    font-size: 1.8em;
    margin-top: 30px;
    margin-bottom: 15px;
    color: inherit;
}

.page-about__content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    margin-bottom: 40px;
}

.page-about__content-grid--reverse {
    grid-template-columns: 1fr 1fr;
}

.page-about__content-grid--reverse .page-about__image-wrapper {
    order: 2;
}

.page-about__content-grid--reverse .page-about__text-block {
    order: 1;
}

.page-about__text-block p {
    margin-bottom: 15px;
    color: inherit;
}

.page-about__image-wrapper {
    text-align: center;
}

.page-about__image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    display: block;
    margin: 0 auto;
    object-fit: cover;
}

.page-about__flex-container {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    justify-content: center;
}

.page-about__card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    flex: 1;
    min-width: 300px;
    text-align: center;
    color: #ffffff;
}

.page-about__card-title {
    font-size: 1.5em;
    color: #FFD700;
    margin-bottom: 15px;
}

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

.page-about__feature-card {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

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

.page-about__feature-title {
    font-size: 1.4em;
    color: #FFD700;
    margin-bottom: 10px;
}

.page-about__link {
    color: #FFD700;
    text-decoration: none;
    transition: color 0.3s ease;
    display: block;
    margin-top: 10px;
}

.page-about__link:hover {
    color: #e0b800;
    text-decoration: underline;
}

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

.page-about__game-card {
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    text-align: center;
    color: #333333;
    padding-bottom: 20px;
}

.page-about__game-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    margin-bottom: 15px;
}

.page-about__game-title {
    font-size: 1.6em;
    color: #0A192F;
    margin-bottom: 10px;
    padding: 0 15px;
}

.page-about__game-title a {
    color: #0A192F;
    text-decoration: none;
}

.page-about__game-title a:hover {
    color: #FFD700;
}

.page-about__game-card p {
    padding: 0 15px;
}

.page-about__cta-bottom {
    text-align: center;
    margin-top: 60px;
    padding: 40px;
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.page-about__cta-bottom p {
    font-size: 1.5em;
    margin-bottom: 25px;
    color: #ffffff;
}

/* FAQ Section */
.page-about__faq-section {
    background-color: #0A192F;
    color: #ffffff;
    padding: 60px 0;
}

.page-about__faq-list {
    max-width: 900px;
    margin: 40px auto 0 auto;
}

.page-about__faq-item {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: background-color 0.3s ease;
}

.page-about__faq-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.page-about__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    cursor: pointer;
    font-size: 1.2em;
    font-weight: bold;
    color: #FFD700;
}

.page-about__faq-question h3 {
    margin: 0;
    color: inherit;
    flex-grow: 1;
}

.page-about__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    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;
    color: #f0f0f0;
}

.page-about__faq-item.active .page-about__faq-answer {
    max-height: 1000px !important; /* Sufficiently large to show content */
    padding: 15px 20px 20px 20px;
}

.page-about__faq-answer p {
    margin-bottom: 10px;
}

.page-about__faq-answer .page-about__link {
    display: inline-block;
    margin-top: 5px;
    font-size: 0.95em;
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
    .page-about__main-title {
        font-size: 2.5em;
    }
    .page-about__section-title {
        font-size: 2em;
    }
    .page-about__content-grid {
        grid-template-columns: 1fr;
    }
    .page-about__content-grid--reverse .page-about__image-wrapper {
        order: initial;
    }
    .page-about__content-grid--reverse .page-about__text-block {
        order: initial;
    }
    .page-about__flex-container {
        flex-direction: column;
    }
    .page-about__card {
        min-width: unset;
        width: 100%;
    }
    .page-about__game-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-about {
        font-size: 16px;
        line-height: 1.6;
    }
    .page-about__hero-section {
        min-height: 400px;
        padding-top: var(--header-offset, 120px) !important; /* Ensure mobile header offset */
    }
    .page-about__main-title {
        font-size: 2em;
    }
    .page-about__subtitle {
        font-size: 1em;
    }
    .page-about__section-title {
        font-size: 1.8em;
    }
    .page-about__sub-title {
        font-size: 1.5em;
    }
    .page-about__btn-primary, .page-about__btn-secondary {
        padding: 12px 25px;
        font-size: 0.9em;
    }

    /* Images responsive */
    .page-about img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-about__image-wrapper, .page-about__feature-card, .page-about__game-card {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }
    .page-about__container {
        padding-left: 15px;
        padding-right: 15px;
    }

    /* Buttons responsive */
    .page-about__cta-button,
    .page-about__btn-primary,
    .page-about__btn-secondary,
    .page-about a[class*="button"],
    .page-about a[class*="btn"] {
      max-width: 100% !important;
      width: 100% !important;
      box-sizing: border-box !important;
      white-space: normal !important;
      word-wrap: break-word !important;
      padding-left: 15px;
      padding-right: 15px;
    }
    .page-about__cta-bottom .page-about__btn-primary {
        margin-left: auto;
        margin-right: auto;
        display: block;
    }
    .page-about__cta-buttons,
    .page-about__button-group,
    .page-about__btn-container {
      max-width: 100% !important;
      width: 100% !important;
      box-sizing: border-box !important;
      padding-left: 15px;
      padding-right: 15px;
      flex-wrap: wrap !important;
      gap: 10px;
    }
    .page-about__cta-buttons {
      display: flex;
      flex-direction: column; 
    }
    .page-about__faq-question {
        font-size: 1em;
    }
    .page-about__faq-answer {
        padding: 0 15px;
    }
    .page-about__faq-item.active .page-about__faq-answer {
        padding: 10px 15px 15px 15px;
    }
}

@media (max-width: 480px) {
    .page-about__main-title {
        font-size: 1.8em;
    }
    .page-about__section-title {
        font-size: 1.6em;
    }
    .page-about__btn-primary, .page-about__btn-secondary {
        padding: 10px 20px;
        font-size: 0.85em;
    }
    .page-about__feature-icon {
        width: 80px;
        height: 80px;
    }
}