:root {
    --primary-color: #1a4b8c;
    --secondary-color: #f8f9fa;
    --accent-color: #ff6b35;
    --text-dark: #2c3e50;
    --text-light: #6c757d;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-dark);
}

.set img{
    height: 72px;
}

.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2c3e50 100%);
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.8rem;
    color: white !important;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9) !important;
    font-weight: 500;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--accent-color) !important;
    transform: translateY(-2px);
}

.dropdown-menu {
    border: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

.hero-section {
    background: linear-gradient(rgba(26, 75, 140, 0.8), rgba(44, 62, 80, 0.8)), url('img/banner.jpeg') center/cover no-repeat;
    min-height: 80vh;
    display: flex;
    align-items: center;
    color: white;
}

.section-padding {
    padding: 80px 0;
}

.section-title {
    position: relative;
    margin-bottom: 40px;
    font-weight: 700;
    color: var(--primary-color);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--accent-color);
}

.card {
    border: none;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.staff-card {
    text-align: center;
}

.staff-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 20px;
    border: 5px solid var(--secondary-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.course-card {
    border-left: 4px solid var(--primary-color);
}

.blog-card {
    border-radius: 15px;
    overflow: hidden;
}

.blog-image {
    height: 200px;
    object-fit: cover;
}

.contact-info {
    background: var(--secondary-color);
    padding: 30px;
    border-radius: 15px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 15px;
    color: white;
}

.footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, #2c3e50 100%);
    color: white;
    padding: 60px 0 30px;
}

.social-links a {
    color: white;
    font-size: 1.5rem;
    margin-right: 15px;
    transition: color 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
}

/* .page-section {
            display: none;
        } */

.page-section.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.btn-primary {
    background: var(--primary-color);
    border: none;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    background: var(--accent-color);
    transform: translateY(-2px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    font-size: 1.5rem;
}