/* style/about.css */

/* Biến CSS */
:root {
    --page-about-primary-color: #007BFF;
    --page-about-secondary-color: #FFD700;
    --page-about-dark-bg: #1a1a1a;
    --page-about-light-text: #f0f0f0;
    --page-about-medium-text: #cccccc;
    --page-about-card-bg: #2a2a2a;
    --page-about-border-color: #0056b3;
}

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

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

.page-about__section-title {
    font-size: 2.5em;
    color: var(--page-about-secondary-color);
    text-align: center;
    margin-bottom: 50px;
    position: relative;
    padding-bottom: 15px;
}

.page-about__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--page-about-primary-color);
    border-radius: 2px;
}

.page-about .highlight {
    color: var(--page-about-secondary-color);
    font-weight: bold;
}

/* Hero Section */
.page-about__hero {
    background: linear-gradient(135deg, var(--page-about-primary-color), var(--page-about-dark-bg) 80%);
    padding: 80px 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    text-align: center;
}

.page-about__hero-content {
    max-width: 600px;
}

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

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

.page-about__hero-button {
    display: inline-block;
    background-color: var(--page-about-secondary-color);
    color: var(--page-about-dark-bg);
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: 2px solid var(--page-about-secondary-color);
}

.page-about__hero-button:hover {
    background-color: #e6c200;
    transform: translateY(-3px);
}

.page-about__hero-image-wrapper {
    max-width: 500px;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.page-about__hero-image {
    width: 100%;
    height: auto;
    display: block;
}

/* Mission & Vision Section */
.page-about__mission-vision {
    padding: 80px 0;
    background-color: var(--page-about-dark-bg);
}

.page-about__cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    text-align: center;
}

.page-about__card {
    background-color: var(--page-about-card-bg);
    border: 1px solid var(--page-about-border-color);
    border-radius: 10px;
    padding: 40px 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about__card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.5);
}

.page-about__card-icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 5px var(--page-about-primary-color));
}

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

.page-about__card-text {
    font-size: 1em;
    color: var(--page-about-medium-text);
}

.page-about__card-text a {
    color: var(--page-about-primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Why Us Section */
.page-about__why-us {
    background-color: #111;
    padding: 80px 0;
}

.page-about__features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.page-about__feature-item {
    background-color: var(--page-about-card-bg);
    border: 1px solid var(--page-about-border-color);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about__feature-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.5);
}

.page-about__feature-icon {
    width: 70px;
    height: 70px;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 4px var(--page-about-secondary-color));
}

.page-about__feature-title {
    font-size: 1.6em;
    color: var(--page-about-primary-color);
    margin-bottom: 10px;
}

.page-about__feature-text {
    font-size: 1em;
    color: var(--page-about-medium-text);
}

.page-about__feature-text a {
    color: var(--page-about-primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Call to Action Section */
.page-about__cta {
    background: linear-gradient(45deg, var(--page-about-primary-color), #0056b3);
    padding: 80px 20px;
    text-align: center;
}

.page-about__cta-title {
    font-size: 2.8em;
    color: var(--page-about-light-text);
    margin-bottom: 20px;
}

.page-about__cta-description {
    font-size: 1.3em;
    color: var(--page-about-light-text);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-about__cta-button {
    display: inline-block;
    background-color: var(--page-about-secondary-color);
    color: var(--page-about-dark-bg);
    padding: 18px 40px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.3em;
    transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    border: none;
}

.page-about__cta-button:hover {
    background-color: #e6c200;
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-about__hero {
        flex-direction: column-reverse;
        text-align: center;
    }

    .page-about__hero-title {
        font-size: 2.8em;
    }

    .page-about__hero-description {
        font-size: 1.1em;
    }

    .page-about__hero-image-wrapper {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .page-about__section-title {
        font-size: 2em;
    }

    .page-about__hero-title {
        font-size: 2.2em;
    }

    .page-about__hero-description {
        font-size: 1em;
    }

    .page-about__hero-button {
        padding: 12px 25px;
        font-size: 1em;
    }

    .page-about__card,
    .page-about__feature-item {
        padding: 30px 20px;
    }

    .page-about__card-title,
    .page-about__feature-title {
        font-size: 1.5em;
    }

    .page-about__cta-title {
        font-size: 2em;
    }

    .page-about__cta-description {
        font-size: 1.1em;
    }

    .page-about__cta-button {
        padding: 15px 30px;
        font-size: 1.1em;
    }
}

@media (max-width: 480px) {
    .page-about__section-title {
        font-size: 1.8em;
    }

    .page-about__hero {
        padding: 60px 15px;
    }

    .page-about__hero-title {
        font-size: 1.8em;
    }

    .page-about__hero-description {
        font-size: 0.9em;
    }

    .page-about__hero-button {
        padding: 10px 20px;
        font-size: 0.9em;
    }

    .page-about__card-icon,
    .page-about__feature-icon {
        width: 60px;
        height: 60px;
    }

    .page-about__cta-title {
        font-size: 1.8em;
    }

    .page-about__cta-description {
        font-size: 1em;
    }

    .page-about__cta-button {
        padding: 12px 25px;
        font-size: 1em;
    }
}