/* style/about.css */

:root {
    --page-about-primary-color: #017439;
    --page-about-secondary-color: #FFFFFF;
    --page-about-text-dark: #333333;
    --page-about-text-light: #ffffff;
    --page-about-register-color: #C30808;
    --page-about-login-color: #C30808;
    --page-about-register-login-font-color: #FFFF00;
    --page-about-background-color: #FFFFFF;
}

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

/* Hero Section */
.page-about__hero-section {
    position: relative;
    width: 100%;
    min-height: 550px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-size: cover;
    background-position: center;
    color: var(--page-about-text-light);
    padding-top: var(--header-offset, 120px); /* Ensures content is below fixed header */
    box-sizing: border-box;
}

.page-about__hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.page-about__hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: 20px;
}

.page-about__hero-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    font-weight: bold;
    color: var(--page-about-register-login-font-color); /* Sử dụng màu vàng cho tiêu đề nổi bật */
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.page-about__hero-description {
    font-size: 1.2em;
    margin-bottom: 30px;
    color: var(--page-about-text-light);
}

/* Buttons */
.page-about__btn-primary,
.page-about__btn-secondary {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
    margin: 10px;
    box-sizing: border-box;
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
}

.page-about__btn-primary {
    background-color: var(--page-about-register-color); /* Màu đỏ cho nút chính */
    color: var(--page-about-register-login-font-color); /* Màu vàng cho chữ trên nút chính */
    border: 2px solid var(--page-about-register-color);
}

.page-about__btn-primary:hover {
    background-color: #a30606;
    border-color: #a30606;
}

.page-about__btn-secondary {
    background-color: transparent;
    color: var(--page-about-primary-color); /* Màu xanh lá cho chữ trên nút phụ */
    border: 2px solid var(--page-about-primary-color);
}

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

/* General Section Styling */
.page-about__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-about__section-title {
    font-size: 2.5em;
    font-weight: bold;
    text-align: center;
    margin-bottom: 20px;
    color: var(--page-about-primary-color);
}

.page-about__section-subtitle {
    font-size: 1.2em;
    text-align: center;
    margin-bottom: 40px;
    color: var(--page-about-text-dark);
}

.page-about__light-bg {
    background-color: var(--page-about-background-color);
    color: var(--page-about-text-dark);
    padding: 60px 0;
}

.page-about__dark-bg {
    background-color: var(--page-about-primary-color);
    color: var(--page-about-text-light);
    padding: 60px 0;
}

/* Content Grid */
.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-areas: "image text";
}

.page-about__content-grid--reverse .page-about__text-block {
    grid-area: text;
}

.page-about__content-grid--reverse .page-about__image-wrapper {
    grid-area: image;
}

.page-about__text-block p {
    margin-bottom: 15px;
    font-size: 1.1em;
}

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

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

/* Game Cards Grid */
.page-about__game-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
    margin-bottom: 40px;
}

.page-about__card {
    background-color: var(--page-about-secondary-color);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    text-align: center;
    padding-bottom: 20px;
    color: var(--page-about-text-dark);
    transition: transform 0.3s ease;
}

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

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

.page-about__card-title {
    font-size: 1.5em;
    margin: 20px 15px 10px;
    color: var(--page-about-primary-color);
}

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

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

.page-about__card-description {
    font-size: 0.95em;
    margin: 0 15px 20px;
    color: var(--page-about-text-dark);
}

.page-about__card-link {
    display: inline-block;
    padding: 8px 15px;
    background-color: var(--page-about-primary-color);
    color: var(--page-about-text-light);
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.9em;
    transition: background-color 0.3s ease;
}

.page-about__card-link:hover {
    background-color: #005a2e;
}

.page-about__cta-buttons-center {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-top: 40px;
}

/* Video Section */
.page-about__video-section {
    position: relative;
    width: 100%;
    padding: 60px 0;
    background-color: var(--page-about-primary-color);
    color: var(--page-about-text-light);
    text-align: center;
}

.page-about__video-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-about__video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    margin-top: 30px;
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.page-about__video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
    display: block;
}

.page-about__video-caption {
    font-style: italic;
    margin-top: 15px;
    font-size: 0.9em;
    color: var(--page-about-text-light);
}

/* FAQ Section */
.page-about__faq-section {
    padding: 60px 0;
    background-color: var(--page-about-background-color);
    color: var(--page-about-text-dark);
}

.page-about__faq-list {
    max-width: 800px;
    margin: 40px auto 0;
}

.page-about__faq-item {
    background-color: var(--page-about-secondary-color);
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    margin-bottom: 15px;
    overflow: hidden;
    color: var(--page-about-text-dark);
}

.page-about__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 25px;
    font-size: 1.2em;
    font-weight: bold;
    cursor: pointer;
    background-color: #f9f9f9;
    border-bottom: 1px solid #e0e0e0;
    color: var(--page-about-primary-color);
    transition: background-color 0.3s ease;
}

.page-about__faq-question:hover {
    background-color: #f0f0f0;
}

.page-about__faq-item[open] .page-about__faq-question {
    background-color: #f0f0f0;
    border-bottom: 1px solid #d0d0d0;
}

.page-about__faq-toggle {
    font-size: 1.5em;
    line-height: 1;
    margin-left: 15px;
    transition: transform 0.3s ease;
}

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

.page-about__faq-answer {
    padding: 20px 25px;
    font-size: 1.0em;
    color: var(--page-about-text-dark);
}

.page-about__faq-answer p {
    margin-bottom: 15px;
}

.page-about__faq-btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--page-about-primary-color);
    color: var(--page-about-text-light);
    border-radius: 5px;
    text-decoration: none;
    font-size: 0.9em;
    margin-top: 10px;
    transition: background-color 0.3s ease;
}

.page-about__faq-btn:hover {
    background-color: #005a2e;
}

/* Ensure summary has no default marker */
.page-about__faq-item summary {
    list-style: none;
}
.page-about__faq-item summary::-webkit-details-marker {
    display: none;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .page-about__hero-title {
        font-size: 3em;
    }
    .page-about__section-title {
        font-size: 2em;
    }
    .page-about__content-grid {
        grid-template-columns: 1fr;
    }
    .page-about__content-grid--reverse {
        grid-template-areas: unset;
    }
    .page-about__content-grid--reverse .page-about__text-block,
    .page-about__content-grid--reverse .page-about__image-wrapper {
        grid-area: unset;
    }
    .page-about__image-wrapper {
        order: -1; /* Image first on mobile */
    }
}

@media (max-width: 768px) {
    .page-about__hero-section {
        min-height: 450px;
        padding-top: var(--header-offset, 120px) !important;
    }
    .page-about__hero-title {
        font-size: 2.2em;
    }
    .page-about__hero-description {
        font-size: 1em;
    }
    .page-about__btn-primary,
    .page-about__btn-secondary {
        padding: 12px 20px;
        font-size: 0.9em;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        white-space: normal !important;
        word-wrap: break-word !important;
        margin: 5px 0 !important;
    }
    .page-about__cta-buttons-center {
        flex-direction: column;
        gap: 10px;
        padding: 0 15px;
    }
    .page-about__section-title {
        font-size: 1.8em;
    }
    .page-about__section-subtitle {
        font-size: 1em;
    }
    .page-about__game-cards-grid {
        grid-template-columns: 1fr;
    }
    .page-about__card-image {
        height: 180px;
    }
    .page-about__card-title {
        font-size: 1.3em;
    }
    .page-about__faq-question {
        font-size: 1em;
        padding: 15px 20px;
    }
    .page-about__faq-answer {
        padding: 15px 20px;
        font-size: 0.9em;
    }
    .page-about__container,
    .page-about__video-container {
        padding: 0 15px !important;
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    /* Images responsive */
    .page-about img {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-about__image-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    /* Videos responsive */
    .page-about video,
    .page-about__video {
        max-width: 100% !important;
        width: 100% !important;
        height: auto !important;
        display: block !important;
    }
    .page-about__video-section,
    .page-about__video-container,
    .page-about__video-wrapper {
        max-width: 100% !important;
        width: 100% !important;
        box-sizing: border-box !important;
        padding-left: 15px;
        padding-right: 15px;
        overflow: hidden !important;
    }
    .page-about__video-section {
        padding-top: var(--header-offset, 120px) !important;
    }
}

@media (max-width: 480px) {
    .page-about__hero-title {
        font-size: 1.8em;
    }
    .page-about__hero-description {
        font-size: 0.9em;
    }
    .page-about__section-title {
        font-size: 1.5em;
    }
    .page-about__card-title {
        font-size: 1.1em;
    }
}

/* Ensure no filter is used for images */
.page-about img {
    filter: none; /* Explicitly ensure no filter */
}

/* Content area images CSS dimensions lower bound */
.page-about .page-about__image-content {
    min-width: 200px;
    min-height: 200px;
}

/* Ensure no small icons */
.page-about img:not([width="32"]):not([width="40"]):not([width="48"]):not([width="60"]):not([width="64"]):not([width="80"]):not([width="100"]) {
    min-width: 200px;
    min-height: 200px;
}

/* Contrast fixes for specific elements if needed - example */
.page-about__dark-bg .page-about__section-subtitle {
    color: var(--page-about-text-light);
}
.page-about__dark-bg .page-about__text-block p {
    color: var(--page-about-text-light);
}