/* style/about.css */

/* Biến CSS */
:root {
    --page-about-primary-color: #1A202C;
    --page-about-secondary-color: #FFD700;
    --page-about-text-light: #F7FAFC;
    --page-about-text-dark: #2D3748;
    --page-about-background-light: #EDF2F7;
    --page-about-background-dark: #1A202C;
    --page-about-accent-gold-darker: #CCA300;
}

.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;
}

.page-about-grid {
    display: grid;
    gap: 40px;
    align-items: center;
}

@media (min-width: 768px) {
    .page-about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.page-about-hero {
    background: linear-gradient(135deg, var(--page-about-primary-color) 0%, var(--page-about-text-dark) 100%);
    color: var(--page-about-text-light);
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-about-hero-title {
    font-size: 3.5em;
    margin-bottom: 15px;
    font-weight: 700;
    color: var(--page-about-text-light);
}

.page-about-hero-subtitle {
    font-size: 1.5em;
    margin-bottom: 30px;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.9);
}

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

.page-about-btn {
    display: inline-block;
    padding: 15px 30px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.3s ease;
    font-size: 1.1em;
    border: none;
    cursor: pointer;
}

.page-about-btn-primary {
    background-color: var(--page-about-secondary-color);
    color: var(--page-about-primary-color);
}

.page-about-btn-primary:hover {
    background-color: var(--page-about-accent-gold-darker);
    transform: translateY(-3px);
}

.page-about-btn-secondary {
    background-color: var(--page-about-primary-color);
    color: var(--page-about-secondary-color);
    border: 2px solid var(--page-about-secondary-color);
}

.page-about-btn-secondary:hover {
    background-color: var(--page-about-secondary-color);
    color: var(--page-about-primary-color);
    transform: translateY(-3px);
}

.page-about-intro, .page-about-values, .page-about-why-choose, .page-about-cta-section {
    padding: 80px 0;
}

.page-about-intro {
    background-color: #FFFFFF;
}

.page-about-section-title {
    font-size: 2.5em;
    color: var(--page-about-primary-color);
    margin-bottom: 30px;
    text-align: center;
    font-weight: 700;
}

.page-about-intro .page-about-section-title, .page-about-why-choose .page-about-section-title {
    text-align: left;
}

@media (max-width: 767px) {
    .page-about-intro .page-about-section-title, .page-about-why-choose .page-about-section-title {
        text-align: center;
    }
}

.page-about-text {
    font-size: 1.1em;
    line-height: 1.8;
    color: var(--page-about-text-dark);
    margin-bottom: 20px;
}

.page-about-strong {
    font-weight: 700;
    color: var(--page-about-primary-color);
}

.page-about-image-wrapper {
    text-align: center;
}

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

.page-about-values {
    background-color: var(--page-about-background-light);
}

.page-about-values-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    text-align: center;
}

.page-about-value-card {
    background-color: #FFFFFF;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.page-about-value-card:hover {
    transform: translateY(-5px);
}

.page-about-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 20px;
    color: var(--page-about-secondary-color);
}

.page-about-value-title {
    font-size: 1.4em;
    color: var(--page-about-primary-color);
    margin-bottom: 15px;
    font-weight: 600;
}

.page-about-why-choose {
    background-color: #FFFFFF;
}

.page-about-list {
    list-style: none;
    padding: 0;
    margin-top: 20px;
}

.page-about-list-item {
    font-size: 1.1em;
    margin-bottom: 15px;
    padding-left: 30px;
    position: relative;
    color: var(--page-about-text-dark);
}

.page-about-list-item::before {
    content: '✓';
    color: var(--page-about-secondary-color);
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 0;
}

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

.page-about-cta-title {
    font-size: 2.8em;
    margin-bottom: 20px;
    font-weight: 700;
    color: var(--page-about-text-light);
}

.page-about-cta-text {
    font-size: 1.3em;
    margin-bottom: 40px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.9);
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
    .page-about-hero-title {
        font-size: 3em;
    }
    .page-about-hero-subtitle {
        font-size: 1.3em;
    }
    .page-about-section-title {
        font-size: 2em;
    }
    .page-about-cta-title {
        font-size: 2.2em;
    }
    .page-about-cta-text {
        font-size: 1.1em;
    }
}

@media (max-width: 767px) {
    .page-about-hero-title {
        font-size: 2.5em;
    }
    .page-about-hero-subtitle {
        font-size: 1.1em;
    }
    .page-about-intro, .page-about-values, .page-about-why-choose, .page-about-cta-section {
        padding: 60px 0;
    }
    .page-about-section-title {
        font-size: 1.8em;
        margin-bottom: 25px;
    }
    .page-about-text, .page-about-list-item {
        font-size: 1em;
    }
    .page-about-btn {
        padding: 12px 25px;
        font-size: 1em;
    }
    .page-about-cta-title {
        font-size: 1.8em;
    }
    .page-about-cta-text {
        font-size: 1em;
    }
    .page-about-grid {
        grid-template-columns: 1fr;
    }
    .page-about-intro .page-about-content, .page-about-why-choose .page-about-content {
        order: 1;
    }
    .page-about-intro .page-about-image-wrapper, .page-about-why-choose .page-about-image-wrapper {
        order: 2;
    }
}