/* style/about.css */

/* Biến CSS */
:root {
    --page-about-primary-color: #1A202C;
    --page-about-accent-color: #FFD700;
    --page-about-text-light: #f8f8f8;
    --page-about-text-dark: #333333;
    --page-about-bg-light: #ffffff;
    --page-about-bg-dark: #2d3748;
    --page-about-border-color: #4a5568;
}

.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__container--flex {
    display: flex;
    align-items: center;
    gap: 40px;
}

@media (max-width: 768px) {
    .page-about__container--flex {
        flex-direction: column;
        text-align: center;
    }
    .page-about__container--flex.page-about__container--reverse {
        flex-direction: column-reverse;
    }
}

.page-about__hero {
    background: linear-gradient(135deg, var(--page-about-primary-color) 0%, #3e4c63 100%);
    color: var(--page-about-text-light);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-about__hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('[GALLERY:bg:abstract,geometric,pattern]') no-repeat center center/cover;
    opacity: 0.05;
    z-index: 0;
}

.page-about__hero-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    color: var(--page-about-accent-color);
    position: relative;
    z-index: 1;
}

.page-about__hero-description {
    font-size: 1.3em;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 1;
}

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

.page-about__section:nth-of-type(odd) {
    background-color: #f5f5f5;
}

.page-about__section-title {
    font-size: 2.5em;
    color: var(--page-about-primary-color);
    text-align: center;
    margin-bottom: 40px;
    position: relative;
}

.page-about__section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background-color: var(--page-about-accent-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

.page-about__content p {
    font-size: 1.1em;
    margin-bottom: 20px;
    color: var(--page-about-text-dark);
}

.page-about__image-wrapper {
    flex: 1;
    min-width: 300px;
}

.page-about__image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.page-about__section--mission .page-about__content, 
.page-about__section--history .page-about__content {
    flex: 1;
}

.page-about__section--values {
    background-color: var(--page-about-bg-dark);
    color: var(--page-about-text-light);
}

.page-about__section--values .page-about__section-title {
    color: var(--page-about-text-light);
}

.page-about__values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    text-align: center;
}

.page-about__value-card {
    background-color: var(--page-about-primary-color);
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about__value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-about__value-title {
    font-size: 1.5em;
    color: var(--page-about-accent-color);
    margin-bottom: 15px;
}

.page-about__value-card p {
    color: var(--page-about-text-light);
    font-size: 1em;
}

.page-about__section--cta {
    background-color: var(--page-about-accent-color);
    color: var(--page-about-primary-color);
    text-align: center;
    padding: 80px 0;
}

.page-about__section--cta .page-about__section-title {
    color: var(--page-about-primary-color);
}

.page-about__section--cta .page-about__section-title::after {
    background-color: var(--page-about-primary-color);
}

.page-about__section--cta p {
    font-size: 1.2em;
    max-width: 800px;
    margin: 0 auto 30px auto;
    color: var(--page-about-primary-color);
}

.page-about__btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 5px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease, color 0.3s ease;
    font-size: 1.1em;
    border: none;
    cursor: pointer;
}

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

.page-about__btn--primary:hover {
    background-color: #e6c200;
    color: var(--page-about-primary-color);
}

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

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

/* Responsive Design */
@media (max-width: 1024px) {
    .page-about__hero-title {
        font-size: 2.8em;
    }
    .page-about__section-title {
        font-size: 2em;
    }
    .page-about__values-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    .page-about__hero {
        padding: 80px 0;
    }
    .page-about__hero-title {
        font-size: 2.2em;
    }
    .page-about__hero-description {
        font-size: 1em;
    }
    .page-about__section {
        padding: 40px 0;
    }
    .page-about__section-title {
        font-size: 1.8em;
    }
    .page-about__container--flex {
        flex-direction: column;
        gap: 30px;
    }
    .page-about__container--flex.page-about__container--reverse {
        flex-direction: column-reverse;
    }
    .page-about__content p {
        font-size: 0.95em;
    }
    .page-about__btn {
        padding: 12px 25px;
        font-size: 1em;
    }
}

@media (max-width: 480px) {
    .page-about__hero-title {
        font-size: 1.8em;
    }
    .page-about__section-title {
        font-size: 1.5em;
    }
    .page-about__values-grid {
        grid-template-columns: 1fr;
    }
    .page-about__value-title {
        font-size: 1.3em;
    }
    .page-about__section--cta p {
        font-size: 1em;
    }
}