/* style/about.css */

/* Biến CSS */
:root {
    --page-about-primary-color: #0A2C4A;
    --page-about-secondary-color: #FFD700;
    --page-about-text-light: #FFFFFF;
    --page-about-text-dark: #333333;
    --page-about-bg-light: #F8F8F8;
    --page-about-bg-dark: #0A2C4A;
    --page-about-accent-color: #FFD700;
}

.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;
}

/* Hero Section */
.page-about__hero {
    background: linear-gradient(135deg, var(--page-about-primary-color) 0%, #1a4d7a 100%); /* Slightly lighter variant for gradient */
    color: var(--page-about-text-light);
    padding: 80px 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: 0.1;
    z-index: 0;
}

.page-about__hero .page-about__container {
    position: relative;
    z-index: 1;
}

.page-about__title {
    font-size: 3.5em;
    margin-bottom: 15px;
    font-weight: bold;
    color: var(--page-about-text-light);
}

.page-about__subtitle {
    font-size: 1.3em;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
}

/* General Section Styling */
.page-about__section {
    padding: 60px 0;
}

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

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

.page-about__heading--light {
    color: var(--page-about-text-light);
}

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

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

.page-about__content-grid--reverse {
    grid-template-areas: "image text";
}

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

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

.page-about__text-content p {
    font-size: 1.1em;
    margin-bottom: 20px;
}

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

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

/* Features Grid */
.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;
    transition: transform 0.3s ease, background-color 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.page-about__feature-card:hover {
    transform: translateY(-10px);
    background-color: rgba(255, 255, 255, 0.15);
}

.page-about__feature-card h3 {
    color: var(--page-about-secondary-color);
    font-size: 1.4em;
    margin-top: 20px;
    margin-bottom: 15px;
}

.page-about__feature-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1em;
}

.page-about__feature-icon {
    width: 60px;
    height: 60px;
    object-fit: contain;
    filter: drop-shadow(0 0 5px rgba(255, 215, 0, 0.5));
}

/* Values List */
.page-about__values ul {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.page-about__values li {
    background-color: var(--page-about-bg-light);
    border-left: 5px solid var(--page-about-secondary-color);
    padding: 15px 20px;
    margin-bottom: 15px;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    font-size: 1.1em;
    color: var(--page-about-text-dark);
}

.page-about__values li strong {
    color: var(--page-about-primary-color);
}

/* Call to Action */
.page-about__cta {
    text-align: center;
    padding: 80px 0;
    background-color: var(--page-about-primary-color);
    background-image: url('[GALLERY:bg:abstract,geometric,pattern_dark]');
    background-size: cover;
    background-position: center;
    position: relative;
}

.page-about__cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 44, 74, 0.85); /* Dark overlay */
    z-index: 0;
}

.page-about__cta .page-about__container {
    position: relative;
    z-index: 1;
    color: var(--page-about-text-light);
}

.page-about__cta-text {
    font-size: 1.2em;
    max-width: 700px;
    margin: 20px auto 40px;
    opacity: 0.9;
}

.page-about__button {
    display: inline-block;
    background-color: var(--page-about-secondary-color);
    color: var(--page-about-primary-color);
    padding: 15px 35px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
}

.page-about__button:hover {
    background-color: #e6c200; /* Slightly darker gold */
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 215, 0, 0.6);
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-about__content-grid {
        grid-template-columns: 1fr;
    }
    .page-about__content-grid--reverse {
        grid-template-areas: unset;
    }
    .page-about__hero {
        padding: 60px 0;
    }
    .page-about__title {
        font-size: 2.8em;
    }
    .page-about__heading {
        font-size: 2em;
    }
    .page-about__text-content {
        order: 2; /* On smaller screens, text below image */
    }
    .page-about__image-wrapper {
        order: 1;
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .page-about__hero {
        padding: 50px 0;
    }
    .page-about__title {
        font-size: 2.2em;
    }
    .page-about__subtitle {
        font-size: 1em;
    }
    .page-about__heading {
        font-size: 1.8em;
        margin-bottom: 30px;
    }
    .page-about__section {
        padding: 40px 0;
    }
    .page-about__features-grid {
        grid-template-columns: 1fr;
    }
    .page-about__feature-card {
        padding: 25px;
    }
    .page-about__button {
        padding: 12px 25px;
        font-size: 1em;
    }
}

@media (max-width: 480px) {
    .page-about__title {
        font-size: 1.8em;
    }
    .page-about__heading {
        font-size: 1.5em;
    }
    .page-about__section {
        padding: 30px 0;
    }
    .page-about__feature-card h3 {
        font-size: 1.2em;
    }
    .page-about__cta {
        padding: 60px 0;
    }
}