/* style/about.css */

/* Biến CSS */
:root {
    --page-about-primary-color: #003366;
    --page-about-secondary-color: #FFCC00;
    --page-about-text-dark: #333333;
    --page-about-text-light: #ffffff;
    --page-about-background-light: #f8f8f8;
    --page-about-background-dark: #002244;
}

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

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

/* Hero Section */
.page-about__hero-section {
    background: linear-gradient(135deg, var(--page-about-primary-color) 0%, #004488 100%);
    color: var(--page-about-text-light);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border-bottom: 5px solid var(--page-about-secondary-color);
}

.page-about__hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('[GALLERY:bg:abstract,geometric,blue_gold,gi8]') no-repeat center center/cover;
    opacity: 0.1;
    z-index: 0;
}

.page-about__hero-section > div {
    position: relative;
    z-index: 1;
}

.page-about__hero-title {
    font-size: 3.2em;
    margin-bottom: 20px;
    color: var(--page-about-secondary-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-about__hero-description {
    font-size: 1.3em;
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: rgba(255, 255, 255, 0.9);
}

/* General Section Styling */
.page-about__section {
    padding: 60px 0;
    background-color: var(--page-about-background-light);
}

.page-about__section:nth-of-type(even) {
    background-color: #e9e9e9;
}

.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-secondary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

/* Content Grid for Mission/Vision/Team */
.page-about__content-grid {
    display: flex;
    align-items: center;
    gap: 40px;
    margin-bottom: 40px;
}

.page-about__content-grid--reverse {
    flex-direction: row-reverse;
}

.page-about__text-content {
    flex: 1;
    padding: 20px;
}

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

.page-about__image-wrapper {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.page-about__image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
    transition: transform 0.3s ease;
}

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

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

.page-about__value-card {
    background-color: var(--page-about-text-light);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-top: 5px solid var(--page-about-secondary-color);
}

.page-about__value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 12px 20px rgba(0, 0, 0, 0.15);
}

.page-about__value-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 20px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.page-about__value-title {
    font-size: 1.6em;
    color: var(--page-about-primary-color);
    margin-bottom: 15px;
}

.page-about__value-description {
    font-size: 1em;
    color: #555555;
}

/* Call to Action Banner */
.page-about__cta-banner {
    background: linear-gradient(90deg, var(--page-about-secondary-color) 0%, #FFD700 100%);
    color: var(--page-about-primary-color);
    padding: 80px 0;
    text-align: center;
    margin-top: 60px;
    border-top: 5px solid var(--page-about-primary-color);
    border-bottom: 5px solid var(--page-about-primary-color);
}

.page-about__cta-title {
    font-size: 2.8em;
    margin-bottom: 20px;
    color: var(--page-about-primary-color);
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.page-about__cta-description {
    font-size: 1.2em;
    max-width: 700px;
    margin: 0 auto 40px auto;
    color: #333;
}

/* Buttons */
.page-about__btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 50px;
    font-size: 1.1em;
    font-weight: bold;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

.page-about__btn--primary {
    background-color: var(--page-about-secondary-color);
    color: var(--page-about-primary-color);
    box-shadow: 0 6px 12px rgba(255, 204, 0, 0.4);
}

.page-about__btn--primary:hover {
    background-color: #e6b800;
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(255, 204, 0, 0.6);
}

.page-about__btn--secondary {
    background-color: var(--page-about-primary-color);
    color: var(--page-about-text-light);
    border: 2px solid var(--page-about-secondary-color);
    box-shadow: 0 6px 12px rgba(0, 51, 102, 0.4);
}

.page-about__btn--secondary:hover {
    background-color: #002b55;
    transform: translateY(-3px);
    box-shadow: 0 8px 16px rgba(0, 51, 102, 0.6);
}

.page-about__btn--large {
    padding: 18px 40px;
    font-size: 1.2em;
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-about__hero-title {
        font-size: 2.8em;
    }
    .page-about__section-title {
        font-size: 2em;
    }
    .page-about__content-grid {
        flex-direction: column;
        text-align: center;
    }
    .page-about__content-grid--reverse {
        flex-direction: column;
    }
    .page-about__text-content, .page-about__image-wrapper {
        padding: 10px;
    }
    .page-about__values-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    }
    .page-about__cta-title {
        font-size: 2.2em;
    }
}

@media (max-width: 768px) {
    .page-about__hero-title {
        font-size: 2.2em;
    }
    .page-about__hero-description {
        font-size: 1.1em;
    }
    .page-about__section {
        padding: 40px 0;
    }
    .page-about__section-title {
        font-size: 1.8em;
    }
    .page-about__value-card {
        padding: 20px;
    }
    .page-about__value-title {
        font-size: 1.4em;
    }
    .page-about__cta-banner {
        padding: 60px 0;
    }
    .page-about__cta-title {
        font-size: 1.8em;
    }
    .page-about__btn {
        padding: 12px 25px;
        font-size: 1em;
    }
    .page-about__btn--large {
        padding: 15px 30px;
        font-size: 1.1em;
    }
}

@media (max-width: 480px) {
    .page-about__hero-title {
        font-size: 1.8em;
    }
    .page-about__hero-description {
        font-size: 1em;
    }
    .page-about__section-title {
        font-size: 1.6em;
    }
    .page-about__values-grid {
        grid-template-columns: 1fr;
    }
    .page-about__cta-title {
        font-size: 1.6em;
    }
}