/* style/about.css */

/* Biến CSS */
:root {
    --page-about-primary-color: #004AAD;
    --page-about-secondary-color: #FFD700;
    --page-about-text-dark: #333333;
    --page-about-text-light: #ffffff;
    --page-about-bg-light: #f4f7fa;
    --page-about-bg-dark: #1a1a1a;
    --page-about-border-color: #e0e0e0;
}

/* Reset cơ bản và kiểu chữ cho trang */
.page-about {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: var(--page-about-text-dark);
    background-color: var(--page-about-bg-light);
}

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

.page-about__grid {
    display: grid;
    gap: 40px;
    align-items: center;
}

.page-about__grid--2-col {
    grid-template-columns: 1fr 1fr;
}

.page-about__grid--3-col {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

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

.page-about__heading--center {
    text-align: center;
}

.page-about__paragraph {
    font-size: 1.1em;
    margin-bottom: 15px;
    color: var(--page-about-text-dark);
}

.page-about__link {
    color: var(--page-about-primary-color);
    text-decoration: none;
    font-weight: bold;
}

.page-about__link:hover {
    text-decoration: underline;
    color: var(--page-about-secondary-color);
}

.page-about__btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 5px;
    font-size: 1.1em;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.3s ease;
    cursor: pointer;
    border: none;
}

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

.page-about__btn--primary:hover {
    background-color: #e6c200; /* Darker gold */
    transform: translateY(-2px);
}

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

.page-about__btn--secondary:hover {
    background-color: #003a8d; /* Darker blue */
    transform: translateY(-2px);
}

/* Hero Section */
.page-about__hero {
    background: linear-gradient(135deg, var(--page-about-primary-color) 0%, #002c6b 100%);
    color: var(--page-about-text-light);
    padding: 100px 0;
    text-align: center;
}

.page-about__hero-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    color: var(--page-about-text-light);
    font-weight: 800;
    line-height: 1.2;
}

.page-about__hero-description {
    font-size: 1.3em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

/* Sections */
.page-about__section {
    padding: 80px 0;
}

.page-about__section--intro .page-about__grid {
    grid-template-columns: 2fr 1fr;
}

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

.page-about__image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.page-about__section--mission-vision {
    background-color: var(--page-about-bg-light);
}

.page-about__card {
    background-color: var(--page-about-text-light);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease;
}

.page-about__card:hover {
    transform: translateY(-10px);
}

.page-about__card-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    object-fit: contain;
}

.page-about__card-title {
    font-size: 1.8em;
    color: var(--page-about-primary-color);
    margin-bottom: 15px;
}

.page-about__section--why-us {
    background-color: #e6f0f8; /* A lighter shade of primary color */
    padding: 60px 0;
}

.page-about__feature-item {
    text-align: center;
    padding: 20px;
    background-color: var(--page-about-text-light);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

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

.page-about__feature-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 15px;
    object-fit: contain;
}

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

.page-about__section--responsible-gaming .page-about__grid {
    grid-template-columns: 1fr 2fr;
}

/* Call to Action Section */
.page-about__cta-section {
    background: linear-gradient(45deg, var(--page-about-primary-color), #002c6b);
    color: var(--page-about-text-light);
    padding: 80px 0;
    text-align: center;
}

.page-about__cta-title {
    font-size: 3em;
    margin-bottom: 20px;
    color: var(--page-about-secondary-color);
    font-weight: bold;
}

.page-about__cta-description {
    font-size: 1.2em;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

.page-about__cta-buttons .page-about__btn {
    margin: 0 10px;
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-about__hero-title {
        font-size: 2.8em;
    }
    .page-about__heading {
        font-size: 2em;
    }
    .page-about__section--intro .page-about__grid,
    .page-about__section--responsible-gaming .page-about__grid {
        grid-template-columns: 1fr;
    }
    .page-about__section--responsible-gaming .page-about__image-block {
        order: -1; /* Image appears above content on smaller screens */
        margin-bottom: 30px;
    }
    .page-about__cta-title {
        font-size: 2.5em;
    }
}

@media (max-width: 768px) {
    .page-about__hero {
        padding: 80px 0;
    }
    .page-about__hero-title {
        font-size: 2.2em;
    }
    .page-about__hero-description {
        font-size: 1.1em;
    }
    .page-about__section {
        padding: 60px 0;
    }
    .page-about__grid--2-col,
    .page-about__grid--3-col {
        grid-template-columns: 1fr;
    }
    .page-about__card,
    .page-about__feature-item {
        margin-bottom: 20px;
    }
    .page-about__cta-title {
        font-size: 2em;
    }
    .page-about__cta-buttons .page-about__btn {
        display: block;
        margin: 15px auto;
        width: 80%;
    }
}

@media (max-width: 480px) {
    .page-about__hero-title {
        font-size: 1.8em;
    }
    .page-about__heading {
        font-size: 1.8em;
    }
    .page-about__paragraph {
        font-size: 1em;
    }
    .page-about__btn {
        padding: 10px 20px;
        font-size: 1em;
    }
    .page-about__cta-title {
        font-size: 1.8em;
    }
    .page-about__cta-description {
        font-size: 1em;
    }
}