/* style/about.css */

/* Biến CSS cho màu sắc */
:root {
    --page-about-primary-color: #FFD700; /* Gold */
    --page-about-secondary-color: #1E90FF; /* Dodger Blue */
    --page-about-dark-blue: #0A4B8F; /* Darker blue for contrast */
    --page-about-text-dark: #333333;
    --page-about-text-light: #FFFFFF;
    --page-about-background-light: #FFFFFF;
    --page-about-background-dark: #0A4B8F;
}

.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%, var(--page-about-secondary-color) 100%);
    color: var(--page-about-text-light);
    padding: 80px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-about__hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3); /* Overlay for text readability */
    z-index: 1;
}

.page-about__hero-section > .page-about__container {
    position: relative;
    z-index: 2;
}

.page-about__hero-title {
    font-size: 3.5em;
    margin-bottom: 15px;
    color: var(--page-about-text-light); /* White text on gradient for contrast */
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.page-about__hero-subtitle {
    font-size: 1.5em;
    margin-bottom: 30px;
    color: var(--page-about-text-light);
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
}

.page-about__hero-image {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
    margin-top: 30px;
}

/* General Section Styling */
.page-about__story-section, 
.page-about__mission-values-section, 
.page-about__security-section, 
.page-about__cta-section {
    padding: 60px 0;
}

.page-about__section-title {
    font-size: 2.5em;
    color: var(--page-about-secondary-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-primary-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

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

/* Mission and Values Section */
.page-about__mission-values-section {
    background-color: #f8f8f8;
}

.page-about__mission-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: flex-start;
}

.page-about__mission-item {
    background-color: var(--page-about-background-light);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.page-about__mission-item h3 {
    font-size: 1.8em;
    color: var(--page-about-dark-blue);
    margin-bottom: 15px;
}

.page-about__mission-item p, .page-about__mission-item ul {
    font-size: 1em;
    color: var(--page-about-text-dark);
    text-align: left;
}

.page-about__mission-item ul {
    list-style: none;
    padding-left: 0;
    margin-top: 15px;
}

.page-about__mission-item ul li {
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.page-about__mission-item ul li::before {
    content: '✅'; /* Checkmark icon */
    position: absolute;
    left: 0;
    color: var(--page-about-primary-color);
}

.page-about__icon {
    width: 80px;
    height: 80px;
    margin-bottom: 20px;
    object-fit: contain;
}

/* Security Section */
.page-about__security-section {
    background-color: var(--page-about-background-dark);
    color: var(--page-about-text-light);
}

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

.page-about__security-section .page-about__section-title::after {
    background-color: var(--page-about-text-light);
}

.page-about__security-content {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
}

.page-about__security-image {
    flex: 1;
    min-width: 300px;
    max-width: 50%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.page-about__security-text {
    flex: 1;
    min-width: 300px;
    font-size: 1.1em;
    color: var(--page-about-text-light);
}

.page-about__security-text p {
    margin-bottom: 15px;
}

/* Call to Action Section */
.page-about__cta-section {
    text-align: center;
    background-color: #f0f0f0;
    padding: 80px 0;
}

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

.page-about__cta-text {
    font-size: 1.2em;
    color: var(--page-about-text-dark);
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.page-about__cta-button {
    display: inline-block;
    background-color: var(--page-about-primary-color);
    color: var(--page-about-dark-blue); /* Dark blue text on gold button for contrast */
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2em;
    font-weight: bold;
    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: #e6c200; /* Slightly darker gold on hover */
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 992px) {
    .page-about__hero-title {
        font-size: 2.8em;
    }

    .page-about__hero-subtitle {
        font-size: 1.3em;
    }

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

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

    .page-about__security-content {
        flex-direction: column;
        text-align: center;
    }

    .page-about__security-image {
        max-width: 80%;
        margin-bottom: 30px;
    }

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

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

@media (max-width: 768px) {
    .page-about__hero-section, 
    .page-about__story-section, 
    .page-about__mission-values-section, 
    .page-about__security-section, 
    .page-about__cta-section {
        padding: 40px 0;
    }

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

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

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

    .page-about__text {
        font-size: 1em;
    }

    .page-about__mission-item h3 {
        font-size: 1.5em;
    }

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

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

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

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

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

    .page-about__security-image {
        max-width: 95%;
    }
}