/* General Styles for About Us Page */
.about-us-container {
    font-family: 'Arial', sans-serif;
    color: #333;
    line-height: 1.6;
    padding-top: 20px; /* Add some space from header */
    padding-bottom: 40px; /* Add some space before footer */
}

.container-gioithieu {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Hero Section */
.about-hero {
    background: linear-gradient(to right, #005d2c, #00793a); /* Example gradient */
    color: #fff;
    padding: 50px 0;
    text-align: center;
    margin-bottom: 40px;
    border-radius: 8px;
}

.about-hero h1 {
    font-size: 2.6em;
    margin-bottom: 15px;
    font-weight: bold;
}

.about-hero .subtitle {
    font-size: 1.25em;
    font-weight: 300;
    max-width: 700px;
    margin: 0 auto;
}

/* General Section Styling */
.about-section {
    padding: 30px 0;
    margin-bottom: 25px;
}

.about-section h2 {
    font-size: 2em;
    color: #005d2c; /* Primary color from layout */
    margin-bottom: 25px;
    text-align: center;
    position: relative;
    padding-bottom: 10px;
}

.about-section h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background-color: #ffc107; /* Accent color from layout */
    margin: 10px auto 0;
}

.about-section p {
    font-size: 1.05em;
    margin-bottom: 15px;
    color: #555;
    text-align: justify;
}

.about-section strong {
    color: #004d24;
}

.about-section ul {
    list-style: none;
    padding-left: 0;
}

.about-section ul li {
    font-size: 1.05em;
    margin-bottom: 12px;
    display: flex;
    align-items: flex-start; /* Align icon and text nicely */
}

.about-section ul li i {
    color: #00793a; /* Primary color */
    margin-right: 12px;
    font-size: 1.2em;
    margin-top: 4px; /* Adjust icon vertical alignment */
    min-width: 20px; /* Ensure icons align well */
}

.bg-light {
    background-color: #f8f9fa; /* Light background for alternating sections */
    border-top: 1px solid #e9ecef;
    border-bottom: 1px solid #e9ecef;
    padding-top: 40px;
    padding-bottom: 40px;
    border-radius: 8px;
}

/* Core Values Section */
.core-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.value-item {
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
}

.value-item i.fas { /* Target Font Awesome icons specifically */
    font-size: 2.2em;
    color: #005d2c;
    margin-bottom: 15px;
}

.value-item h3 {
    font-size: 1.3em;
    color: #333;
    margin-bottom: 10px;
}

.value-item p {
    font-size: 0.9em;
    color: #666;
    text-align: center;
}

/* Important Note */
.important-note {
    background-color: #fff3cd; /* Light yellow for warning */
    border-left: 5px solid #ffc107; /* Yellow accent */
    padding: 15px 20px;
    margin-top: 20px;
    border-radius: 4px;
    font-size: 1em !important; /* Override general p font-size if needed */
}

.important-note strong {
    color: #856404; /* Darker yellow for text */
}

/* Call to Action Section */
.cta-section {
    text-align: center;
}

.cta-buttons {
    margin-top: 30px;
}

.btn-primary-gioithieu,
.btn-secondary-gioithieu {
    display: inline-block;
    padding: 10px 22px;
    font-size: 1.05em;
    text-decoration: none;
    border-radius: 5px;
    margin: 5px 10px;
    transition: background-color 0.3s ease, transform 0.2s ease;
    font-weight: bold;
    cursor: pointer;
}

.btn-primary-gioithieu {
    background-color: #28a745; /* Success color from layout */
    color: #fff;
    border: 2px solid #28a745;
}

.btn-primary-gioithieu:hover {
    background-color: #218838;
    border-color: #1e7e34;
    transform: translateY(-2px);
}

.btn-secondary-gioithieu {
    background-color: #fff;
    color: #005d2c;
    border: 2px solid #005d2c;
}

.btn-secondary-gioithieu:hover {
    background-color: #f0f0f0;
    color: #004d24;
    border-color: #004d24;
    transform: translateY(-2px);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .about-hero h1 {
        font-size: 2em;
    }
    .about-hero .subtitle {
        font-size: 1.05em;
    }
    .about-section h2 {
        font-size: 1.7em;
    }
    .core-values {
        grid-template-columns: 1fr; /* Stack on smaller screens */
    }
    .btn-primary-gioithieu,
    .btn-secondary-gioithieu {
        display: block;
        margin: 10px auto;
        width: fit-content;
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    .about-hero h1 {
        font-size: 1.8em;
    }
    .about-hero .subtitle {
        font-size: 1em;
    }
    .about-section h2 {
        font-size: 1.5em;
    }
    .value-item h3 {
        font-size: 1.2em;
    }
    .value-item p {
        font-size: 0.85em;
    }
}