/* style/about.css */

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

.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__hero {
    background: linear-gradient(135deg, var(--page-about-primary-color), var(--page-about-bg-dark));
    color: var(--page-about-text-light);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-about__hero-title {
    font-size: 2.8em;
    margin-bottom: 20px;
    color: var(--page-about-secondary-color);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-about__hero-description {
    font-size: 1.2em;
    max-width: 800px;
    margin: 0 auto 30px auto;
    color: rgba(255, 255, 255, 0.9);
}

.page-about__hero-image {
    width: 100%;
    max-width: 900px;
    height: auto;
    border-radius: 8px;
    margin-top: 30px;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.page-about__section {
    padding: 60px 0;
    background-color: var(--page-about-bg-light);
}

.page-about__section:nth-of-type(odd) {
    background-color: #f0f4f8;
}

.page-about__section-title {
    font-size: 2.2em;
    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: 10px auto 0 auto;
    border-radius: 2px;
}

.page-about__section-text {
    font-size: 1.1em;
    line-height: 1.8;
    text-align: justify;
    max-width: 900px;
    margin: 0 auto 30px auto;
}

.page-about__section-image {
    display: block;
    width: 100%;
    max-width: 700px;
    height: auto;
    margin: 40px auto 0 auto;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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

.page-about__feature-item {
    background-color: var(--page-about-text-light);
    border: 1px solid #e0e0e0;
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-about__feature-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

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

.page-about__feature-item p {
    color: var(--page-about-text-dark);
}

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

.page-about__cta-title {
    font-size: 2.5em;
    color: var(--page-about-secondary-color);
    margin-bottom: 20px;
}

.page-about__cta-text {
    font-size: 1.2em;
    max-width: 700px;
    margin: 0 auto 40px auto;
    color: rgba(255, 255, 255, 0.9);
}

.page-about__cta-button {
    display: inline-block;
    background-color: var(--page-about-secondary-color);
    color: var(--page-about-primary-color);
    padding: 15px 35px;
    font-size: 1.2em;
    font-weight: bold;
    border-radius: 50px;
    text-decoration: none;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.page-about__cta-button:hover {
    background-color: #e6b800; /* Darker shade of secondary color */
    transform: translateY(-3px);
}

.page-about__cta-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    margin-top: 50px;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
    .page-about__hero-title {
        font-size: 2.2em;
    }

    .page-about__hero-description,
    .page-about__section-text,
    .page-about__cta-text {
        font-size: 1em;
    }

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

    .page-about__features {
        grid-template-columns: 1fr;
    }

    .page-about__hero,
    .page-about__section,
    .page-about__cta {
        padding: 40px 0;
    }

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

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

    .page-about__section-title {
        font-size: 1.5em;
    }

    .page-about__feature-title {
        font-size: 1.3em;
    }

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