:root {
    --primary-color: #112465;
    --secondary-color: #293B78;
    --accent-color: #ff6b6b;
    --light-color: #f8f9fa;
    --dark-color: #343a40;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: #333;
    background-color: #f9fbfd;
}

/* sections titles */
.section-title {
    text-align: center;
    margin-bottom: 20px;
    position: relative;
    font-weight: 700;
    font-size: 1.2rem;
}

.section-title:after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    margin: 15px auto;
    border-radius: 2px;
}

/* Hero Section */
.hero-section {
    background-image: url(../images/abaut_us.png);
    object-fit: fill;
    background-size: cover;
    color: white;
    padding: 80px 0 60px;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,186.7C384,213,480,235,576,213.3C672,192,768,128,864,128C960,128,1056,192,1152,192C1248,192,1344,128,1392,96L1440,64L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
    background-size: cover;
    background-position: center bottom;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-section h1 {
    font-weight: 800;
    margin-bottom: 20px;
    font-size: 1.5rem;
}

.hero-section p {
    font-size: 1.0rem;
    max-width: 800px;
    margin: 0 auto 25px;
    opacity: 0.9;
}

.content-card {
    background: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    height: 100%;
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 4px solid var(--primary-color);
}

.content-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.content-card .lead {
    font-size: 1.1rem;
}

.content-card .heading {
    font-size: 1.2rem;
}

.feature-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.col-md-6 h5 {
    font-size: 1.1rem;
}

.org-chart {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    border-top: 4px solid var(--primary-color);
}

.org-node {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 600;
    font-size: 1.0rem;
}

.org-subnode {
    background: rgba(106, 17, 203, 0.1);
    padding: 12px;
    border-radius: 6px;
    margin-bottom: 10px;
    border-left: 3px solid var(--primary-color);
    font-size: 1.0rem;
}

.org-subnode {
    font-size: 0.9rem;
}

.mission-vision-card {
    background: white;
    border-radius: 10px;
    padding: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    height: 100%;
    border-top: 4px solid var(--primary-color);
    text-align: center;
}

.mission-vision-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.role-card {
    background: white;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    height: 100%;
    transition: transform 0.3s, box-shadow 0.3s;
    border-top: 4px solid var(--primary-color);
}

.role-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.role-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.btn-primary {
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    border: none;
    padding: 12px 30px;
    font-weight: 600;
    border-radius: 50px;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

/* About navigation */
.about-nav {
    background-color: white;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
    border-top: 4px solid var(--primary-color);
}

.about-nav h4 {
    font-size: 1.5rem;
}

.about-nav-item {
    display: flex;
    align-items: center;
    padding: 15px;
    border-radius: 8px;
    text-decoration: none;
    color: #333;
    transition: all 0.3s;
}

.about-nav-item:hover {
    background-color: rgba(106, 17, 203, 0.1);
    transform: translateX(5px);
}

.about-nav-item.active {
    background-color: rgba(106, 17, 203, 0.1);
    color: var(--primary-color);
    font-weight: 600;
}

.about-nav-icon {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: white;
    font-size: 1.2rem;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
}

/* for about_roles */
.role-icon {
    font-size: 1.5rem;
}

/* mission and vision */

.mission-vision-card .mission-vision-icon {
    font-size: 1.4rem;
}

.mission-vision-card h3 {
    font-size: 1.5rem;
}

.mission-vision-card p {
    text-align: left;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-section {
        padding: 60px 0 40px;
    }

    .hero-section h1 {
        font-size: 2.2rem;
    }
}